text: webpackJsonp([1],{
  
  /***/ 0:
  /***/ function(module, exports, __webpack_require__) {
  
  	"use strict";
  	__webpack_require__(493);
  	__webpack_require__(494);
  
  
  /***/ },
  
  /***/ 493:
  /***/ function(module, exports, __webpack_require__) {
  
  	var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;!function() {
  	  var d3 = {
  	    version: "3.5.17"
  	  };
  	  var d3_arraySlice = [].slice, d3_array = function(list) {
  	    return d3_arraySlice.call(list);
  	  };
  	  var d3_document = this.document;
  	  function d3_documentElement(node) {
  	    return node && (node.ownerDocument || node.document || node).documentElement;
  	  }
  	  function d3_window(node) {
  	    return node && (node.ownerDocument && node.ownerDocument.defaultView || node.document && node || node.defaultView);
  	  }
  	  if (d3_document) {
  	    try {
  	      d3_array(d3_document.documentElement.childNodes)[0].nodeType;
  	    } catch (e) {
  	      d3_array = function(list) {
  	        var i = list.length, array = new Array(i);
  	        while (i--) array[i] = list[i];
  	        return array;
  	      };
  	    }
  	  }
  	  if (!Date.now) Date.now = function() {
  	    return +new Date();
  	  };
  	  if (d3_document) {
  	    try {
  	      d3_document.createElement("DIV").style.setProperty("opacity", 0, "");
  	    } catch (error) {
  	      var d3_element_prototype = this.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = this.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;
  	      d3_element_prototype.setAttribute = function(name, value) {
  	        d3_element_setAttribute.call(this, name, value + "");
  	      };
  	      d3_element_prototype.setAttributeNS = function(space, local, value) {
  	        d3_element_setAttributeNS.call(this, space, local, value + "");
  	      };
  	      d3_style_prototype.setProperty = function(name, value, priority) {
  	        d3_style_setProperty.call(this, name, value + "", priority);
  	      };
  	    }
  	  }
  	  d3.ascending = d3_ascending;
  	  function d3_ascending(a, b) {
  	    return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
  	  }
  	  d3.descending = function(a, b) {
  	    return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
  	  };
  	  d3.min = function(array, f) {
  	    var i = -1, n = array.length, a, b;
  	    if (arguments.length === 1) {
  	      while (++i < n) if ((b = array[i]) != null && b >= b) {
  	        a = b;
  	        break;
  	      }
  	      while (++i < n) if ((b = array[i]) != null && a > b) a = b;
  	    } else {
  	      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
  	        a = b;
  	        break;
  	      }
  	      while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
  	    }
  	    return a;
  	  };
  	  d3.max = function(array, f) {
  	    var i = -1, n = array.length, a, b;
  	    if (arguments.length === 1) {
  	      while (++i < n) if ((b = array[i]) != null && b >= b) {
  	        a = b;
  	        break;
  	      }
  	      while (++i < n) if ((b = array[i]) != null && b > a) a = b;
  	    } else {
  	      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
  	        a = b;
  	        break;
  	      }
  	      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
  	    }
  	    return a;
  	  };
  	  d3.extent = function(array, f) {
  	    var i = -1, n = array.length, a, b, c;
  	    if (arguments.length === 1) {
  	      while (++i < n) if ((b = array[i]) != null && b >= b) {
  	        a = c = b;
  	        break;
  	      }
  	      while (++i < n) if ((b = array[i]) != null) {
  	        if (a > b) a = b;
  	        if (c < b) c = b;
  	      }
  	    } else {
  	      while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
  	        a = c = b;
  	        break;
  	      }
  	      while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
  	        if (a > b) a = b;
  	        if (c < b) c = b;
  	      }
  	    }
  	    return [ a, c ];
  	  };
  	  function d3_number(x) {
  	    return x === null ? NaN : +x;
  	  }
  	  function d3_numeric(x) {
  	    return !isNaN(x);
  	  }
  	  d3.sum = function(array, f) {
  	    var s = 0, n = array.length, a, i = -1;
  	    if (arguments.length === 1) {
  	      while (++i < n) if (d3_numeric(a = +array[i])) s += a;
  	    } else {
  	      while (++i < n) if (d3_numeric(a = +f.call(array, array[i], i))) s += a;
  	    }
  	    return s;
  	  };
  	  d3.mean = function(array, f) {
  	    var s = 0, n = array.length, a, i = -1, j = n;
  	    if (arguments.length === 1) {
  	      while (++i < n) if (d3_numeric(a = d3_number(array[i]))) s += a; else --j;
  	    } else {
  	      while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) s += a; else --j;
  	    }
  	    if (j) return s / j;
  	  };
  	  d3.quantile = function(values, p) {
  	    var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h;
  	    return e ? v + e * (values[h] - v) : v;
  	  };
  	  d3.median = function(array, f) {
  	    var numbers = [], n = array.length, a, i = -1;
  	    if (arguments.length === 1) {
  	      while (++i < n) if (d3_numeric(a = d3_number(array[i]))) numbers.push(a);
  	    } else {
  	      while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) numbers.push(a);
  	    }
  	    if (numbers.length) return d3.quantile(numbers.sort(d3_ascending), .5);
  	  };
  	  d3.variance = function(array, f) {
  	    var n = array.length, m = 0, a, d, s = 0, i = -1, j = 0;
  	    if (arguments.length === 1) {
  	      while (++i < n) {
  	        if (d3_numeric(a = d3_number(array[i]))) {
  	          d = a - m;
  	          m += d / ++j;
  	          s += d * (a - m);
  	        }
  	      }
  	    } else {
  	      while (++i < n) {
  	        if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) {
  	          d = a - m;
  	          m += d / ++j;
  	          s += d * (a - m);
  	        }
  	      }
  	    }
  	    if (j > 1) return s / (j - 1);
  	  };
  	  d3.deviation = function() {
  	    var v = d3.variance.apply(this, arguments);
  	    return v ? Math.sqrt(v) : v;
  	  };
  	  function d3_bisector(compare) {
  	    return {
  	      left: function(a, x, lo, hi) {
  	        if (arguments.length < 3) lo = 0;
  	        if (arguments.length < 4) hi = a.length;
  	        while (lo < hi) {
  	          var mid = lo + hi >>> 1;
  	          if (compare(a[mid], x) < 0) lo = mid + 1; else hi = mid;
  	        }
  	        return lo;
  	      },
  	      right: function(a, x, lo, hi) {
  	        if (arguments.length < 3) lo = 0;
  	        if (arguments.length < 4) hi = a.length;
  	        while (lo < hi) {
  	          var mid = lo + hi >>> 1;
  	          if (compare(a[mid], x) > 0) hi = mid; else lo = mid + 1;
  	        }
  	        return lo;
  	      }
  	    };
  	  }
  	  var d3_bisect = d3_bisector(d3_ascending);
  	  d3.bisectLeft = d3_bisect.left;
  	  d3.bisect = d3.bisectRight = d3_bisect.right;
  	  d3.bisector = function(f) {
  	    return d3_bisector(f.length === 1 ? function(d, x) {
  	      return d3_ascending(f(d), x);
  	    } : f);
  	  };
  	  d3.shuffle = function(array, i0, i1) {
  	    if ((m = arguments.length) < 3) {
  	      i1 = array.length;
  	      if (m < 2) i0 = 0;
  	    }
  	    var m = i1 - i0, t, i;
  	    while (m) {
  	      i = Math.random() * m-- | 0;
  	      t = array[m + i0], array[m + i0] = array[i + i0], array[i + i0] = t;
  	    }
  	    return array;
  	  };
  	  d3.permute = function(array, indexes) {
  	    var i = indexes.length, permutes = new Array(i);
  	    while (i--) permutes[i] = array[indexes[i]];
  	    return permutes;
  	  };
  	  d3.pairs = function(array) {
  	    var i = 0, n = array.length - 1, p0, p1 = array[0], pairs = new Array(n < 0 ? 0 : n);
  	    while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ];
  	    return pairs;
  	  };
  	  d3.transpose = function(matrix) {
  	    if (!(n = matrix.length)) return [];
  	    for (var i = -1, m = d3.min(matrix, d3_transposeLength), transpose = new Array(m); ++i < m; ) {
  	      for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n; ) {
  	        row[j] = matrix[j][i];
  	      }
  	    }
  	    return transpose;
  	  };
  	  function d3_transposeLength(d) {
  	    return d.length;
  	  }
  	  d3.zip = function() {
  	    return d3.transpose(arguments);
  	  };
  	  d3.keys = function(map) {
  	    var keys = [];
  	    for (var key in map) keys.push(key);
  	    return keys;
  	  };
  	  d3.values = function(map) {
  	    var values = [];
  	    for (var key in map) values.push(map[key]);
  	    return values;
  	  };
  	  d3.entries = function(map) {
  	    var entries = [];
  	    for (var key in map) entries.push({
  	      key: key,
  	      value: map[key]
  	    });
  	    return entries;
  	  };
  	  d3.merge = function(arrays) {
  	    var n = arrays.length, m, i = -1, j = 0, merged, array;
  	    while (++i < n) j += arrays[i].length;
  	    merged = new Array(j);
  	    while (--n >= 0) {
  	      array = arrays[n];
  	      m = array.length;
  	      while (--m >= 0) {
  	        merged[--j] = array[m];
  	      }
  	    }
  	    return merged;
  	  };
  	  var abs = Math.abs;
  	  d3.range = function(start, stop, step) {
  	    if (arguments.length < 3) {
  	      step = 1;
  	      if (arguments.length < 2) {
  	        stop = start;
  	        start = 0;
  	      }
  	    }
  	    if ((stop - start) / step === Infinity) throw new Error("infinite range");
  	    var range = [], k = d3_range_integerScale(abs(step)), i = -1, j;
  	    start *= k, stop *= k, step *= k;
  	    if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k);
  	    return range;
  	  };
  	  function d3_range_integerScale(x) {
  	    var k = 1;
  	    while (x * k % 1) k *= 10;
  	    return k;
  	  }
  	  function d3_class(ctor, properties) {
  	    for (var key in properties) {
  	      Object.defineProperty(ctor.prototype, key, {
  	        value: properties[key],
  	        enumerable: false
  	      });
  	    }
  	  }
  	  d3.map = function(object, f) {
  	    var map = new d3_Map();
  	    if (object instanceof d3_Map) {
  	      object.forEach(function(key, value) {
  	        map.set(key, value);
  	      });
  	    } else if (Array.isArray(object)) {
  	      var i = -1, n = object.length, o;
  	      if (arguments.length === 1) while (++i < n) map.set(i, object[i]); else while (++i < n) map.set(f.call(object, o = object[i], i), o);
  	    } else {
  	      for (var key in object) map.set(key, object[key]);
  	    }
  	    return map;
  	  };
  	  function d3_Map() {
  	    this._ = Object.create(null);
  	  }
  	  var d3_map_proto = "__proto__", d3_map_zero = "\x00";
  	  d3_class(d3_Map, {
  	    has: d3_map_has,
  	    get: function(key) {
  	      return this._[d3_map_escape(key)];
  	    },
  	    set: function(key, value) {
  	      return this._[d3_map_escape(key)] = value;
  	    },
  	    remove: d3_map_remove,
  	    keys: d3_map_keys,
  	    values: function() {
  	      var values = [];
  	      for (var key in this._) values.push(this._[key]);
  	      return values;
  	    },
  	    entries: function() {
  	      var entries = [];
  	      for (var key in this._) entries.push({
  	        key: d3_map_unescape(key),
  	        value: this._[key]
  	      });
  	      return entries;
  	    },
  	    size: d3_map_size,
  	    empty: d3_map_empty,
  	    forEach: function(f) {
  	      for (var key in this._) f.call(this, d3_map_unescape(key), this._[key]);
  	    }
  	  });
  	  function d3_map_escape(key) {
  	    return (key += "") === d3_map_proto || key[0] === d3_map_zero ? d3_map_zero + key : key;
  	  }
  	  function d3_map_unescape(key) {
  	    return (key += "")[0] === d3_map_zero ? key.slice(1) : key;
  	  }
  	  function d3_map_has(key) {
  	    return d3_map_escape(key) in this._;
  	  }
  	  function d3_map_remove(key) {
  	    return (key = d3_map_escape(key)) in this._ && delete this._[key];
  	  }
  	  function d3_map_keys() {
  	    var keys = [];
  	    for (var key in this._) keys.push(d3_map_unescape(key));
  	    return keys;
  	  }
  	  function d3_map_size() {
  	    var size = 0;
  	    for (var key in this._) ++size;
  	    return size;
  	  }
  	  function d3_map_empty() {
  	    for (var key in this._) return false;
  	    return true;
  	  }
  	  d3.nest = function() {
  	    var nest = {}, keys = [], sortKeys = [], sortValues, rollup;
  	    function map(mapType, array, depth) {
  	      if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array;
  	      var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values;
  	      while (++i < n) {
  	        if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
  	          values.push(object);
  	        } else {
  	          valuesByKey.set(keyValue, [ object ]);
  	        }
  	      }
  	      if (mapType) {
  	        object = mapType();
  	        setter = function(keyValue, values) {
  	          object.set(keyValue, map(mapType, values, depth));
  	        };
  	      } else {
  	        object = {};
  	        setter = function(keyValue, values) {
  	          object[keyValue] = map(mapType, values, depth);
  	        };
  	      }
  	      valuesByKey.forEach(setter);
  	      return object;
  	    }
  	    function entries(map, depth) {
  	      if (depth >= keys.length) return map;
  	      var array = [], sortKey = sortKeys[depth++];
  	      map.forEach(function(key, keyMap) {
  	        array.push({
  	          key: key,
  	          values: entries(keyMap, depth)
  	        });
  	      });
  	      return sortKey ? array.sort(function(a, b) {
  	        return sortKey(a.key, b.key);
  	      }) : array;
  	    }
  	    nest.map = function(array, mapType) {
  	      return map(mapType, array, 0);
  	    };
  	    nest.entries = function(array) {
  	      return entries(map(d3.map, array, 0), 0);
  	    };
  	    nest.key = function(d) {
  	      keys.push(d);
  	      return nest;
  	    };
  	    nest.sortKeys = function(order) {
  	      sortKeys[keys.length - 1] = order;
  	      return nest;
  	    };
  	    nest.sortValues = function(order) {
  	      sortValues = order;
  	      return nest;
  	    };
  	    nest.rollup = function(f) {
  	      rollup = f;
  	      return nest;
  	    };
  	    return nest;
  	  };
  	  d3.set = function(array) {
  	    var set = new d3_Set();
  	    if (array) for (var i = 0, n = array.length; i < n; ++i) set.add(array[i]);
  	    return set;
  	  };
  	  function d3_Set() {
  	    this._ = Object.create(null);
  	  }
  	  d3_class(d3_Set, {
  	    has: d3_map_has,
  	    add: function(key) {
  	      this._[d3_map_escape(key += "")] = true;
  	      return key;
  	    },
  	    remove: d3_map_remove,
  	    values: d3_map_keys,
  	    size: d3_map_size,
  	    empty: d3_map_empty,
  	    forEach: function(f) {
  	      for (var key in this._) f.call(this, d3_map_unescape(key));
  	    }
  	  });
  	  d3.behavior = {};
  	  function d3_identity(d) {
  	    return d;
  	  }
  	  d3.rebind = function(target, source) {
  	    var i = 1, n = arguments.length, method;
  	    while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
  	    return target;
  	  };
  	  function d3_rebind(target, source, method) {
  	    return function() {
  	      var value = method.apply(source, arguments);
  	      return value === source ? target : value;
  	    };
  	  }
  	  function d3_vendorSymbol(object, name) {
  	    if (name in object) return name;
  	    name = name.charAt(0).toUpperCase() + name.slice(1);
  	    for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) {
  	      var prefixName = d3_vendorPrefixes[i] + name;
  	      if (prefixName in object) return prefixName;
  	    }
  	  }
  	  var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ];
  	  function d3_noop() {}
  	  d3.dispatch = function() {
  	    var dispatch = new d3_dispatch(), i = -1, n = arguments.length;
  	    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
  	    return dispatch;
  	  };
  	  function d3_dispatch() {}
  	  d3_dispatch.prototype.on = function(type, listener) {
  	    var i = type.indexOf("."), name = "";
  	    if (i >= 0) {
  	      name = type.slice(i + 1);
  	      type = type.slice(0, i);
  	    }
  	    if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);
  	    if (arguments.length === 2) {
  	      if (listener == null) for (type in this) {
  	        if (this.hasOwnProperty(type)) this[type].on(name, null);
  	      }
  	      return this;
  	    }
  	  };
  	  function d3_dispatch_event(dispatch) {
  	    var listeners = [], listenerByName = new d3_Map();
  	    function event() {
  	      var z = listeners, i = -1, n = z.length, l;
  	      while (++i < n) if (l = z[i].on) l.apply(this, arguments);
  	      return dispatch;
  	    }
  	    event.on = function(name, listener) {
  	      var l = listenerByName.get(name), i;
  	      if (arguments.length < 2) return l && l.on;
  	      if (l) {
  	        l.on = null;
  	        listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
  	        listenerByName.remove(name);
  	      }
  	      if (listener) listeners.push(listenerByName.set(name, {
  	        on: listener
  	      }));
  	      return dispatch;
  	    };
  	    return event;
  	  }
  	  d3.event = null;
  	  function d3_eventPreventDefault() {
  	    d3.event.preventDefault();
  	  }
  	  function d3_eventSource() {
  	    var e = d3.event, s;
  	    while (s = e.sourceEvent) e = s;
  	    return e;
  	  }
  	  function d3_eventDispatch(target) {
  	    var dispatch = new d3_dispatch(), i = 0, n = arguments.length;
  	    while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
  	    dispatch.of = function(thiz, argumentz) {
  	      return function(e1) {
  	        try {
  	          var e0 = e1.sourceEvent = d3.event;
  	          e1.target = target;
  	          d3.event = e1;
  	          dispatch[e1.type].apply(thiz, argumentz);
  	        } finally {
  	          d3.event = e0;
  	        }
  	      };
  	    };
  	    return dispatch;
  	  }
  	  d3.requote = function(s) {
  	    return s.replace(d3_requote_re, "\\$&");
  	  };
  	  var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
  	  var d3_subclass = {}.__proto__ ? function(object, prototype) {
  	    object.__proto__ = prototype;
  	  } : function(object, prototype) {
  	    for (var property in prototype) object[property] = prototype[property];
  	  };
  	  function d3_selection(groups) {
  	    d3_subclass(groups, d3_selectionPrototype);
  	    return groups;
  	  }
  	  var d3_select = function(s, n) {
  	    return n.querySelector(s);
  	  }, d3_selectAll = function(s, n) {
  	    return n.querySelectorAll(s);
  	  }, d3_selectMatches = function(n, s) {
  	    var d3_selectMatcher = n.matches || n[d3_vendorSymbol(n, "matchesSelector")];
  	    d3_selectMatches = function(n, s) {
  	      return d3_selectMatcher.call(n, s);
  	    };
  	    return d3_selectMatches(n, s);
  	  };
  	  if (typeof Sizzle === "function") {
  	    d3_select = function(s, n) {
  	      return Sizzle(s, n)[0] || null;
  	    };
  	    d3_selectAll = Sizzle;
  	    d3_selectMatches = Sizzle.matchesSelector;
  	  }
  	  d3.selection = function() {
  	    return d3.select(d3_document.documentElement);
  	  };
  	  var d3_selectionPrototype = d3.selection.prototype = [];
  	  d3_selectionPrototype.select = function(selector) {
  	    var subgroups = [], subgroup, subnode, group, node;
  	    selector = d3_selection_selector(selector);
  	    for (var j = -1, m = this.length; ++j < m; ) {
  	      subgroups.push(subgroup = []);
  	      subgroup.parentNode = (group = this[j]).parentNode;
  	      for (var i = -1, n = group.length; ++i < n; ) {
  	        if (node = group[i]) {
  	          subgroup.push(subnode = selector.call(node, node.__data__, i, j));
  	          if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
  	        } else {
  	          subgroup.push(null);
  	        }
  	      }
  	    }
  	    return d3_selection(subgroups);
  	  };
  	  function d3_selection_selector(selector) {
  	    return typeof selector === "function" ? selector : function() {
  	      return d3_select(selector, this);
  	    };
  	  }
  	  d3_selectionPrototype.selectAll = function(selector) {
  	    var subgroups = [], subgroup, node;
  	    selector = d3_selection_selectorAll(selector);
  	    for (var j = -1, m = this.length; ++j < m; ) {
  	      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
  	        if (node = group[i]) {
  	          subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i, j)));
  	          subgroup.parentNode = node;
  	        }
  	      }
  	    }
  	    return d3_selection(subgroups);
  	  };
  	  function d3_selection_selectorAll(selector) {
  	    return typeof selector === "function" ? selector : function() {
  	      return d3_selectAll(selector, this);
  	    };
  	  }
  	  var d3_nsXhtml = "http://www.w3.org/1999/xhtml";
  	  var d3_nsPrefix = {
  	    svg: "http://www.w3.org/2000/svg",
  	    xhtml: d3_nsXhtml,
  	    xlink: "http://www.w3.org/1999/xlink",
  	    xml: "http://www.w3.org/XML/1998/namespace",
  	    xmlns: "http://www.w3.org/2000/xmlns/"
  	  };
  	  d3.ns = {
  	    prefix: d3_nsPrefix,
  	    qualify: function(name) {
  	      var i = name.indexOf(":"), prefix = name;
  	      if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1);
  	      return d3_nsPrefix.hasOwnProperty(prefix) ? {
  	        space: d3_nsPrefix[prefix],
  	        local: name
  	      } : name;
  	    }
  	  };
  	  d3_selectionPrototype.attr = function(name, value) {
  	    if (arguments.length < 2) {
  	      if (typeof name === "string") {
  	        var node = this.node();
  	        name = d3.ns.qualify(name);
  	        return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name);
  	      }
  	      for (value in name) this.each(d3_selection_attr(value, name[value]));
  	      return this;
  	    }
  	    return this.each(d3_selection_attr(name, value));
  	  };
  	  function d3_selection_attr(name, value) {
  	    name = d3.ns.qualify(name);
  	    function attrNull() {
  	      this.removeAttribute(name);
  	    }
  	    function attrNullNS() {
  	      this.removeAttributeNS(name.space, name.local);
  	    }
  	    function attrConstant() {
  	      this.setAttribute(name, value);
  	    }
  	    function attrConstantNS() {
  	      this.setAttributeNS(name.space, name.local, value);
  	    }
  	    function attrFunction() {
  	      var x = value.apply(this, arguments);
  	      if (x == null) this.removeAttribute(name); else this.setAttribute(name, x);
  	    }
  	    function attrFunctionNS() {
  	      var x = value.apply(this, arguments);
  	      if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x);
  	    }
  	    return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant;
  	  }
  	  function d3_collapse(s) {
  	    return s.trim().replace(/\s+/g, " ");
  	  }
  	  d3_selectionPrototype.classed = function(name, value) {
  	    if (arguments.length < 2) {
  	      if (typeof name === "string") {
  	        var node = this.node(), n = (name = d3_selection_classes(name)).length, i = -1;
  	        if (value = node.classList) {
  	          while (++i < n) if (!value.contains(name[i])) return false;
  	        } else {
  	          value = node.getAttribute("class");
  	          while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false;
  	        }
  	        return true;
  	      }
  	      for (value in name) this.each(d3_selection_classed(value, name[value]));
  	      return this;
  	    }
  	    return this.each(d3_selection_classed(name, value));
  	  };
  	  function d3_selection_classedRe(name) {
  	    return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g");
  	  }
  	  function d3_selection_classes(name) {
  	    return (name + "").trim().split(/^|\s+/);
  	  }
  	  function d3_selection_classed(name, value) {
  	    name = d3_selection_classes(name).map(d3_selection_classedName);
  	    var n = name.length;
  	    function classedConstant() {
  	      var i = -1;
  	      while (++i < n) name[i](this, value);
  	    }
  	    function classedFunction() {
  	      var i = -1, x = value.apply(this, arguments);
  	      while (++i < n) name[i](this, x);
  	    }
  	    return typeof value === "function" ? classedFunction : classedConstant;
  	  }
  	  function d3_selection_classedName(name) {
  	    var re = d3_selection_classedRe(name);
  	    return function(node, value) {
  	      if (c = node.classList) return value ? c.add(name) : c.remove(name);
  	      var c = node.getAttribute("class") || "";
  	      if (value) {
  	        re.lastIndex = 0;
  	        if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name));
  	      } else {
  	        node.setAttribute("class", d3_collapse(c.replace(re, " ")));
  	      }
  	    };
  	  }
  	  d3_selectionPrototype.style = function(name, value, priority) {
  	    var n = arguments.length;
  	    if (n < 3) {
  	      if (typeof name !== "string") {
  	        if (n < 2) value = "";
  	        for (priority in name) this.each(d3_selection_style(priority, name[priority], value));
  	        return this;
  	      }
  	      if (n < 2) {
  	        var node = this.node();
  	        return d3_window(node).getComputedStyle(node, null).getPropertyValue(name);
  	      }
  	      priority = "";
  	    }
  	    return this.each(d3_selection_style(name, value, priority));
  	  };
  	  function d3_selection_style(name, value, priority) {
  	    function styleNull() {
  	      this.style.removeProperty(name);
  	    }
  	    function styleConstant() {
  	      this.style.setProperty(name, value, priority);
  	    }
  	    function styleFunction() {
  	      var x = value.apply(this, arguments);
  	      if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority);
  	    }
  	    return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant;
  	  }
  	  d3_selectionPrototype.property = function(name, value) {
  	    if (arguments.length < 2) {
  	      if (typeof name === "string") return this.node()[name];
  	      for (value in name) this.each(d3_selection_property(value, name[value]));
  	      return this;
  	    }
  	    return this.each(d3_selection_property(name, value));
  	  };
  	  function d3_selection_property(name, value) {
  	    function propertyNull() {
  	      delete this[name];
  	    }
  	    function propertyConstant() {
  	      this[name] = value;
  	    }
  	    function propertyFunction() {
  	      var x = value.apply(this, arguments);
  	      if (x == null) delete this[name]; else this[name] = x;
  	    }
  	    return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant;
  	  }
  	  d3_selectionPrototype.text = function(value) {
  	    return arguments.length ? this.each(typeof value === "function" ? function() {
  	      var v = value.apply(this, arguments);
  	      this.textContent = v == null ? "" : v;
  	    } : value == null ? function() {
  	      this.textContent = "";
  	    } : function() {
  	      this.textContent = value;
  	    }) : this.node().textContent;
  	  };
  	  d3_selectionPrototype.html = function(value) {
  	    return arguments.length ? this.each(typeof value === "function" ? function() {
  	      var v = value.apply(this, arguments);
  	      this.innerHTML = v == null ? "" : v;
  	    } : value == null ? function() {
  	      this.innerHTML = "";
  	    } : function() {
  	      this.innerHTML = value;
  	    }) : this.node().innerHTML;
  	  };
  	  d3_selectionPrototype.append = function(name) {
  	    name = d3_selection_creator(name);
  	    return this.select(function() {
  	      return this.appendChild(name.apply(this, arguments));
  	    });
  	  };
  	  function d3_selection_creator(name) {
  	    function create() {
  	      var document = this.ownerDocument, namespace = this.namespaceURI;
  	      return namespace === d3_nsXhtml && document.documentElement.namespaceURI === d3_nsXhtml ? document.createElement(name) : document.createElementNS(namespace, name);
  	    }
  	    function createNS() {
  	      return this.ownerDocument.createElementNS(name.space, name.local);
  	    }
  	    return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? createNS : create;
  	  }
  	  d3_selectionPrototype.insert = function(name, before) {
  	    name = d3_selection_creator(name);
  	    before = d3_selection_selector(before);
  	    return this.select(function() {
  	      return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null);
  	    });
  	  };
  	  d3_selectionPrototype.remove = function() {
  	    return this.each(d3_selectionRemove);
  	  };
  	  function d3_selectionRemove() {
  	    var parent = this.parentNode;
  	    if (parent) parent.removeChild(this);
  	  }
  	  d3_selectionPrototype.data = function(value, key) {
  	    var i = -1, n = this.length, group, node;
  	    if (!arguments.length) {
  	      value = new Array(n = (group = this[0]).length);
  	      while (++i < n) {
  	        if (node = group[i]) {
  	          value[i] = node.__data__;
  	        }
  	      }
  	      return value;
  	    }
  	    function bind(group, groupData) {
  	      var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData;
  	      if (key) {
  	        var nodeByKeyValue = new d3_Map(), keyValues = new Array(n), keyValue;
  	        for (i = -1; ++i < n; ) {
  	          if (node = group[i]) {
  	            if (nodeByKeyValue.has(keyValue = key.call(node, node.__data__, i))) {
  	              exitNodes[i] = node;
  	            } else {
  	              nodeByKeyValue.set(keyValue, node);
  	            }
  	            keyValues[i] = keyValue;
  	          }
  	        }
  	        for (i = -1; ++i < m; ) {
  	          if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) {
  	            enterNodes[i] = d3_selection_dataNode(nodeData);
  	          } else if (node !== true) {
  	            updateNodes[i] = node;
  	            node.__data__ = nodeData;
  	          }
  	          nodeByKeyValue.set(keyValue, true);
  	        }
  	        for (i = -1; ++i < n; ) {
  	          if (i in keyValues && nodeByKeyValue.get(keyValues[i]) !== true) {
  	            exitNodes[i] = group[i];
  	          }
  	        }
  	      } else {
  	        for (i = -1; ++i < n0; ) {
  	          node = group[i];
  	          nodeData = groupData[i];
  	          if (node) {
  	            node.__data__ = nodeData;
  	            updateNodes[i] = node;
  	          } else {
  	            enterNodes[i] = d3_selection_dataNode(nodeData);
  	          }
  	        }
  	        for (;i < m; ++i) {
  	          enterNodes[i] = d3_selection_dataNode(groupData[i]);
  	        }
  	        for (;i < n; ++i) {
  	          exitNodes[i] = group[i];
  	        }
  	      }
  	      enterNodes.update = updateNodes;
  	      enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode;
  	      enter.push(enterNodes);
  	      update.push(updateNodes);
  	      exit.push(exitNodes);
  	    }
  	    var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]);
  	    if (typeof value === "function") {
  	      while (++i < n) {
  	        bind(group = this[i], value.call(group, group.parentNode.__data__, i));
  	      }
  	    } else {
  	      while (++i < n) {
  	        bind(group = this[i], value);
  	      }
  	    }
  	    update.enter = function() {
  	      return enter;
  	    };
  	    update.exit = function() {
  	      return exit;
  	    };
  	    return update;
  	  };
  	  function d3_selection_dataNode(data) {
  	    return {
  	      __data__: data
  	    };
  	  }
  	  d3_selectionPrototype.datum = function(value) {
  	    return arguments.length ? this.property("__data__", value) : this.property("__data__");
  	  };
  	  d3_selectionPrototype.filter = function(filter) {
  	    var subgroups = [], subgroup, group, node;
  	    if (typeof filter !== "function") filter = d3_selection_filter(filter);
  	    for (var j = 0, m = this.length; j < m; j++) {
  	      subgroups.push(subgroup = []);
  	      subgroup.parentNode = (group = this[j]).parentNode;
  	      for (var i = 0, n = group.length; i < n; i++) {
  	        if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {
  	          subgroup.push(node);
  	        }
  	      }
  	    }
  	    return d3_selection(subgroups);
  	  };
  	  function d3_selection_filter(selector) {
  	    return function() {
  	      return d3_selectMatches(this, selector);
  	    };
  	  }
  	  d3_selectionPrototype.order = function() {
  	    for (var j = -1, m = this.length; ++j < m; ) {
  	      for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) {
  	        if (node = group[i]) {
  	          if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
  	          next = node;
  	        }
  	      }
  	    }
  	    return this;
  	  };
  	  d3_selectionPrototype.sort = function(comparator) {
  	    comparator = d3_selection_sortComparator.apply(this, arguments);
  	    for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator);
  	    return this.order();
  	  };
  	  function d3_selection_sortComparator(comparator) {
  	    if (!arguments.length) comparator = d3_ascending;
  	    return function(a, b) {
  	      return a && b ? comparator(a.__data__, b.__data__) : !a - !b;
  	    };
  	  }
  	  d3_selectionPrototype.each = function(callback) {
  	    return d3_selection_each(this, function(node, i, j) {
  	      callback.call(node, node.__data__, i, j);
  	    });
  	  };
  	  function d3_selection_each(groups, callback) {
  	    for (var j = 0, m = groups.length; j < m; j++) {
  	      for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) {
  	        if (node = group[i]) callback(node, i, j);
  	      }
  	    }
  	    return groups;
  	  }
  	  d3_selectionPrototype.call = function(callback) {
  	    var args = d3_array(arguments);
  	    callback.apply(args[0] = this, args);
  	    return this;
  	  };
  	  d3_selectionPrototype.empty = function() {
  	    return !this.node();
  	  };
  	  d3_selectionPrototype.node = function() {
  	    for (var j = 0, m = this.length; j < m; j++) {
  	      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
  	        var node = group[i];
  	        if (node) return node;
  	      }
  	    }
  	    return null;
  	  };
  	  d3_selectionPrototype.size = function() {
  	    var n = 0;
  	    d3_selection_each(this, function() {
  	      ++n;
  	    });
  	    return n;
  	  };
  	  function d3_selection_enter(selection) {
  	    d3_subclass(selection, d3_selection_enterPrototype);
  	    return selection;
  	  }
  	  var d3_selection_enterPrototype = [];
  	  d3.selection.enter = d3_selection_enter;
  	  d3.selection.enter.prototype = d3_selection_enterPrototype;
  	  d3_selection_enterPrototype.append = d3_selectionPrototype.append;
  	  d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
  	  d3_selection_enterPrototype.node = d3_selectionPrototype.node;
  	  d3_selection_enterPrototype.call = d3_selectionPrototype.call;
  	  d3_selection_enterPrototype.size = d3_selectionPrototype.size;
  	  d3_selection_enterPrototype.select = function(selector) {
  	    var subgroups = [], subgroup, subnode, upgroup, group, node;
  	    for (var j = -1, m = this.length; ++j < m; ) {
  	      upgroup = (group = this[j]).update;
  	      subgroups.push(subgroup = []);
  	      subgroup.parentNode = group.parentNode;
  	      for (var i = -1, n = group.length; ++i < n; ) {
  	        if (node = group[i]) {
  	          subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i, j));
  	          subnode.__data__ = node.__data__;
  	        } else {
  	          subgroup.push(null);
  	        }
  	      }
  	    }
  	    return d3_selection(subgroups);
  	  };
  	  d3_selection_enterPrototype.insert = function(name, before) {
  	    if (arguments.length < 2) before = d3_selection_enterInsertBefore(this);
  	    return d3_selectionPrototype.insert.call(this, name, before);
  	  };
  	  function d3_selection_enterInsertBefore(enter) {
  	    var i0, j0;
  	    return function(d, i, j) {
  	      var group = enter[j].update, n = group.length, node;
  	      if (j != j0) j0 = j, i0 = 0;
  	      if (i >= i0) i0 = i + 1;
  	      while (!(node = group[i0]) && ++i0 < n) ;
  	      return node;
  	    };
  	  }
  	  d3.select = function(node) {
  	    var group;
  	    if (typeof node === "string") {
  	      group = [ d3_select(node, d3_document) ];
  	      group.parentNode = d3_document.documentElement;
  	    } else {
  	      group = [ node ];
  	      group.parentNode = d3_documentElement(node);
  	    }
  	    return d3_selection([ group ]);
  	  };
  	  d3.selectAll = function(nodes) {
  	    var group;
  	    if (typeof nodes === "string") {
  	      group = d3_array(d3_selectAll(nodes, d3_document));
  	      group.parentNode = d3_document.documentElement;
  	    } else {
  	      group = d3_array(nodes);
  	      group.parentNode = null;
  	    }
  	    return d3_selection([ group ]);
  	  };
  	  d3_selectionPrototype.on = function(type, listener, capture) {
  	    var n = arguments.length;
  	    if (n < 3) {
  	      if (typeof type !== "string") {
  	        if (n < 2) listener = false;
  	        for (capture in type) this.each(d3_selection_on(capture, type[capture], listener));
  	        return this;
  	      }
  	      if (n < 2) return (n = this.node()["__on" + type]) && n._;
  	      capture = false;
  	    }
  	    return this.each(d3_selection_on(type, listener, capture));
  	  };
  	  function d3_selection_on(type, listener, capture) {
  	    var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener;
  	    if (i > 0) type = type.slice(0, i);
  	    var filter = d3_selection_onFilters.get(type);
  	    if (filter) type = filter, wrap = d3_selection_onFilter;
  	    function onRemove() {
  	      var l = this[name];
  	      if (l) {
  	        this.removeEventListener(type, l, l.$);
  	        delete this[name];
  	      }
  	    }
  	    function onAdd() {
  	      var l = wrap(listener, d3_array(arguments));
  	      onRemove.call(this);
  	      this.addEventListener(type, this[name] = l, l.$ = capture);
  	      l._ = listener;
  	    }
  	    function removeAll() {
  	      var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match;
  	      for (var name in this) {
  	        if (match = name.match(re)) {
  	          var l = this[name];
  	          this.removeEventListener(match[1], l, l.$);
  	          delete this[name];
  	        }
  	      }
  	    }
  	    return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll;
  	  }
  	  var d3_selection_onFilters = d3.map({
  	    mouseenter: "mouseover",
  	    mouseleave: "mouseout"
  	  });
  	  if (d3_document) {
  	    d3_selection_onFilters.forEach(function(k) {
  	      if ("on" + k in d3_document) d3_selection_onFilters.remove(k);
  	    });
  	  }
  	  function d3_selection_onListener(listener, argumentz) {
  	    return function(e) {
  	      var o = d3.event;
  	      d3.event = e;
  	      argumentz[0] = this.__data__;
  	      try {
  	        listener.apply(this, argumentz);
  	      } finally {
  	        d3.event = o;
  	      }
  	    };
  	  }
  	  function d3_selection_onFilter(listener, argumentz) {
  	    var l = d3_selection_onListener(listener, argumentz);
  	    return function(e) {
  	      var target = this, related = e.relatedTarget;
  	      if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) {
  	        l.call(target, e);
  	      }
  	    };
  	  }
  	  var d3_event_dragSelect, d3_event_dragId = 0;
  	  function d3_event_dragSuppress(node) {
  	    var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window(node)).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault);
  	    if (d3_event_dragSelect == null) {
  	      d3_event_dragSelect = "onselectstart" in node ? false : d3_vendorSymbol(node.style, "userSelect");
  	    }
  	    if (d3_event_dragSelect) {
  	      var style = d3_documentElement(node).style, select = style[d3_event_dragSelect];
  	      style[d3_event_dragSelect] = "none";
  	    }
  	    return function(suppressClick) {
  	      w.on(name, null);
  	      if (d3_event_dragSelect) style[d3_event_dragSelect] = select;
  	      if (suppressClick) {
  	        var off = function() {
  	          w.on(click, null);
  	        };
  	        w.on(click, function() {
  	          d3_eventPreventDefault();
  	          off();
  	        }, true);
  	        setTimeout(off, 0);
  	      }
  	    };
  	  }
  	  d3.mouse = function(container) {
  	    return d3_mousePoint(container, d3_eventSource());
  	  };
  	  var d3_mouse_bug44083 = this.navigator && /WebKit/.test(this.navigator.userAgent) ? -1 : 0;
  	  function d3_mousePoint(container, e) {
  	    if (e.changedTouches) e = e.changedTouches[0];
  	    var svg = container.ownerSVGElement || container;
  	    if (svg.createSVGPoint) {
  	      var point = svg.createSVGPoint();
  	      if (d3_mouse_bug44083 < 0) {
  	        var window = d3_window(container);
  	        if (window.scrollX || window.scrollY) {
  	          svg = d3.select("body").append("svg").style({
  	            position: "absolute",
  	            top: 0,
  	            left: 0,
  	            margin: 0,
  	            padding: 0,
  	            border: "none"
  	          }, "important");
  	          var ctm = svg[0][0].getScreenCTM();
  	          d3_mouse_bug44083 = !(ctm.f || ctm.e);
  	          svg.remove();
  	        }
  	      }
  	      if (d3_mouse_bug44083) point.x = e.pageX, point.y = e.pageY; else point.x = e.clientX, 
  	      point.y = e.clientY;
  	      point = point.matrixTransform(container.getScreenCTM().inverse());
  	      return [ point.x, point.y ];
  	    }
  	    var rect = container.getBoundingClientRect();
  	    return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ];
  	  }
  	  d3.touch = function(container, touches, identifier) {
  	    if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches;
  	    if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) {
  	      if ((touch = touches[i]).identifier === identifier) {
  	        return d3_mousePoint(container, touch);
  	      }
  	    }
  	  };
  	  d3.behavior.drag = function() {
  	    var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_window, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_identity, "touchmove", "touchend");
  	    function drag() {
  	      this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart);
  	    }
  	    function dragstart(id, position, subject, move, end) {
  	      return function() {
  	        var that = this, target = d3.event.target.correspondingElement || d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject(target)).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(target), position0 = position(parent, dragId);
  	        if (origin) {
  	          dragOffset = origin.apply(that, arguments);
  	          dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ];
  	        } else {
  	          dragOffset = [ 0, 0 ];
  	        }
  	        dispatch({
  	          type: "dragstart"
  	        });
  	        function moved() {
  	          var position1 = position(parent, dragId), dx, dy;
  	          if (!position1) return;
  	          dx = position1[0] - position0[0];
  	          dy = position1[1] - position0[1];
  	          dragged |= dx | dy;
  	          position0 = position1;
  	          dispatch({
  	            type: "drag",
  	            x: position1[0] + dragOffset[0],
  	            y: position1[1] + dragOffset[1],
  	            dx: dx,
  	            dy: dy
  	          });
  	        }
  	        function ended() {
  	          if (!position(parent, dragId)) return;
  	          dragSubject.on(move + dragName, null).on(end + dragName, null);
  	          dragRestore(dragged);
  	          dispatch({
  	            type: "dragend"
  	          });
  	        }
  	      };
  	    }
  	    drag.origin = function(x) {
  	      if (!arguments.length) return origin;
  	      origin = x;
  	      return drag;
  	    };
  	    return d3.rebind(drag, event, "on");
  	  };
  	  function d3_behavior_dragTouchId() {
  	    return d3.event.changedTouches[0].identifier;
  	  }
  	  d3.touches = function(container, touches) {
  	    if (arguments.length < 2) touches = d3_eventSource().touches;
  	    return touches ? d3_array(touches).map(function(touch) {
  	      var point = d3_mousePoint(container, touch);
  	      point.identifier = touch.identifier;
  	      return point;
  	    }) : [];
  	  };
  	  var ε = 1e-6, ε2 = ε * ε, π = Math.PI, τ = 2 * π, τε = τ - ε, halfπ = π / 2, d3_radians = π / 180, d3_degrees = 180 / π;
  	  function d3_sgn(x) {
  	    return x > 0 ? 1 : x < 0 ? -1 : 0;
  	  }
  	  function d3_cross2d(a, b, c) {
  	    return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);
  	  }
  	  function d3_acos(x) {
  	    return x > 1 ? 0 : x < -1 ? π : Math.acos(x);
  	  }
  	  function d3_asin(x) {
  	    return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x);
  	  }
  	  function d3_sinh(x) {
  	    return ((x = Math.exp(x)) - 1 / x) / 2;
  	  }
  	  function d3_cosh(x) {
  	    return ((x = Math.exp(x)) + 1 / x) / 2;
  	  }
  	  function d3_tanh(x) {
  	    return ((x = Math.exp(2 * x)) - 1) / (x + 1);
  	  }
  	  function d3_haversin(x) {
  	    return (x = Math.sin(x / 2)) * x;
  	  }
  	  var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4;
  	  d3.interpolateZoom = function(p0, p1) {
  	    var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2], dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, i, S;
  	    if (d2 < ε2) {
  	      S = Math.log(w1 / w0) / ρ;
  	      i = function(t) {
  	        return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * t * S) ];
  	      };
  	    } else {
  	      var d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1);
  	      S = (r1 - r0) / ρ;
  	      i = function(t) {
  	        var s = t * S, coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0));
  	        return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ];
  	      };
  	    }
  	    i.duration = S * 1e3;
  	    return i;
  	  };
  	  d3.behavior.zoom = function() {
  	    var view = {
  	      x: 0,
  	      y: 0,
  	      k: 1
  	    }, translate0, center0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, duration = 250, zooming = 0, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1;
  	    if (!d3_behavior_zoomWheel) {
  	      d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() {
  	        return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1);
  	      }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() {
  	        return d3.event.wheelDelta;
  	      }, "mousewheel") : (d3_behavior_zoomDelta = function() {
  	        return -d3.event.detail;
  	      }, "MozMousePixelScroll");
  	    }
  	    function zoom(g) {
  	      g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted);
  	    }
  	    zoom.event = function(g) {
  	      g.each(function() {
  	        var dispatch = event.of(this, arguments), view1 = view;
  	        if (d3_transitionInheritId) {
  	          d3.select(this).transition().each("start.zoom", function() {
  	            view = this.__chart__ || {
  	              x: 0,
  	              y: 0,
  	              k: 1
  	            };
  	            zoomstarted(dispatch);
  	          }).tween("zoom:zoom", function() {
  	            var dx = size[0], dy = size[1], cx = center0 ? center0[0] : dx / 2, cy = center0 ? center0[1] : dy / 2, i = d3.interpolateZoom([ (cx - view.x) / view.k, (cy - view.y) / view.k, dx / view.k ], [ (cx - view1.x) / view1.k, (cy - view1.y) / view1.k, dx / view1.k ]);
  	            return function(t) {
  	              var l = i(t), k = dx / l[2];
  	              this.__chart__ = view = {
  	                x: cx - l[0] * k,
  	                y: cy - l[1] * k,
  	                k: k
  	              };
  	              zoomed(dispatch);
  	            };
  	          }).each("interrupt.zoom", function() {
  	            zoomended(dispatch);
  	          }).each("end.zoom", function() {
  	            zoomended(dispatch);
  	          });
  	        } else {
  	          this.__chart__ = view;
  	          zoomstarted(dispatch);
  	          zoomed(dispatch);
  	          zoomended(dispatch);
  	        }
  	      });
  	    };
  	    zoom.translate = function(_) {
  	      if (!arguments.length) return [ view.x, view.y ];
  	      view = {
  	        x: +_[0],
  	        y: +_[1],
  	        k: view.k
  	      };
  	      rescale();
  	      return zoom;
  	    };
  	    zoom.scale = function(_) {
  	      if (!arguments.length) return view.k;
  	      view = {
  	        x: view.x,
  	        y: view.y,
  	        k: null
  	      };
  	      scaleTo(+_);
  	      rescale();
  	      return zoom;
  	    };
  	    zoom.scaleExtent = function(_) {
  	      if (!arguments.length) return scaleExtent;
  	      scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ];
  	      return zoom;
  	    };
  	    zoom.center = function(_) {
  	      if (!arguments.length) return center;
  	      center = _ && [ +_[0], +_[1] ];
  	      return zoom;
  	    };
  	    zoom.size = function(_) {
  	      if (!arguments.length) return size;
  	      size = _ && [ +_[0], +_[1] ];
  	      return zoom;
  	    };
  	    zoom.duration = function(_) {
  	      if (!arguments.length) return duration;
  	      duration = +_;
  	      return zoom;
  	    };
  	    zoom.x = function(z) {
  	      if (!arguments.length) return x1;
  	      x1 = z;
  	      x0 = z.copy();
  	      view = {
  	        x: 0,
  	        y: 0,
  	        k: 1
  	      };
  	      return zoom;
  	    };
  	    zoom.y = function(z) {
  	      if (!arguments.length) return y1;
  	      y1 = z;
  	      y0 = z.copy();
  	      view = {
  	        x: 0,
  	        y: 0,
  	        k: 1
  	      };
  	      return zoom;
  	    };
  	    function location(p) {
  	      return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ];
  	    }
  	    function point(l) {
  	      return [ l[0] * view.k + view.x, l[1] * view.k + view.y ];
  	    }
  	    function scaleTo(s) {
  	      view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
  	    }
  	    function translateTo(p, l) {
  	      l = point(l);
  	      view.x += p[0] - l[0];
  	      view.y += p[1] - l[1];
  	    }
  	    function zoomTo(that, p, l, k) {
  	      that.__chart__ = {
  	        x: view.x,
  	        y: view.y,
  	        k: view.k
  	      };
  	      scaleTo(Math.pow(2, k));
  	      translateTo(center0 = p, l);
  	      that = d3.select(that);
  	      if (duration > 0) that = that.transition().duration(duration);
  	      that.call(zoom.event);
  	    }
  	    function rescale() {
  	      if (x1) x1.domain(x0.range().map(function(x) {
  	        return (x - view.x) / view.k;
  	      }).map(x0.invert));
  	      if (y1) y1.domain(y0.range().map(function(y) {
  	        return (y - view.y) / view.k;
  	      }).map(y0.invert));
  	    }
  	    function zoomstarted(dispatch) {
  	      if (!zooming++) dispatch({
  	        type: "zoomstart"
  	      });
  	    }
  	    function zoomed(dispatch) {
  	      rescale();
  	      dispatch({
  	        type: "zoom",
  	        scale: view.k,
  	        translate: [ view.x, view.y ]
  	      });
  	    }
  	    function zoomended(dispatch) {
  	      if (!--zooming) dispatch({
  	        type: "zoomend"
  	      }), center0 = null;
  	    }
  	    function mousedowned() {
  	      var that = this, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window(that)).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(that);
  	      d3_selection_interrupt.call(that);
  	      zoomstarted(dispatch);
  	      function moved() {
  	        dragged = 1;
  	        translateTo(d3.mouse(that), location0);
  	        zoomed(dispatch);
  	      }
  	      function ended() {
  	        subject.on(mousemove, null).on(mouseup, null);
  	        dragRestore(dragged);
  	        zoomended(dispatch);
  	      }
  	    }
  	    function touchstarted() {
  	      var that = this, dispatch = event.of(that, arguments), locations0 = {}, distance0 = 0, scale0, zoomName = ".zoom-" + d3.event.changedTouches[0].identifier, touchmove = "touchmove" + zoomName, touchend = "touchend" + zoomName, targets = [], subject = d3.select(that), dragRestore = d3_event_dragSuppress(that);
  	      started();
  	      zoomstarted(dispatch);
  	      subject.on(mousedown, null).on(touchstart, started);
  	      function relocate() {
  	        var touches = d3.touches(that);
  	        scale0 = view.k;
  	        touches.forEach(function(t) {
  	          if (t.identifier in locations0) locations0[t.identifier] = location(t);
  	        });
  	        return touches;
  	      }
  	      function started() {
  	        var target = d3.event.target;
  	        d3.select(target).on(touchmove, moved).on(touchend, ended);
  	        targets.push(target);
  	        var changed = d3.event.changedTouches;
  	        for (var i = 0, n = changed.length; i < n; ++i) {
  	          locations0[changed[i].identifier] = null;
  	        }
  	        var touches = relocate(), now = Date.now();
  	        if (touches.length === 1) {
  	          if (now - touchtime < 500) {
  	            var p = touches[0];
  	            zoomTo(that, p, locations0[p.identifier], Math.floor(Math.log(view.k) / Math.LN2) + 1);
  	            d3_eventPreventDefault();
  	          }
  	          touchtime = now;
  	        } else if (touches.length > 1) {
  	          var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1];
  	          distance0 = dx * dx + dy * dy;
  	        }
  	      }
  	      function moved() {
  	        var touches = d3.touches(that), p0, l0, p1, l1;
  	        d3_selection_interrupt.call(that);
  	        for (var i = 0, n = touches.length; i < n; ++i, l1 = null) {
  	          p1 = touches[i];
  	          if (l1 = locations0[p1.identifier]) {
  	            if (l0) break;
  	            p0 = p1, l0 = l1;
  	          }
  	        }
  	        if (l1) {
  	          var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0);
  	          p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ];
  	          l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ];
  	          scaleTo(scale1 * scale0);
  	        }
  	        touchtime = null;
  	        translateTo(p0, l0);
  	        zoomed(dispatch);
  	      }
  	      function ended() {
  	        if (d3.event.touches.length) {
  	          var changed = d3.event.changedTouches;
  	          for (var i = 0, n = changed.length; i < n; ++i) {
  	            delete locations0[changed[i].identifier];
  	          }
  	          for (var identifier in locations0) {
  	            return void relocate();
  	          }
  	        }
  	        d3.selectAll(targets).on(zoomName, null);
  	        subject.on(mousedown, mousedowned).on(touchstart, touchstarted);
  	        dragRestore();
  	        zoomended(dispatch);
  	      }
  	    }
  	    function mousewheeled() {
  	      var dispatch = event.of(this, arguments);
  	      if (mousewheelTimer) clearTimeout(mousewheelTimer); else d3_selection_interrupt.call(this), 
  	      translate0 = location(center0 = center || d3.mouse(this)), zoomstarted(dispatch);
  	      mousewheelTimer = setTimeout(function() {
  	        mousewheelTimer = null;
  	        zoomended(dispatch);
  	      }, 50);
  	      d3_eventPreventDefault();
  	      scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k);
  	      translateTo(center0, translate0);
  	      zoomed(dispatch);
  	    }
  	    function dblclicked() {
  	      var p = d3.mouse(this), k = Math.log(view.k) / Math.LN2;
  	      zoomTo(this, p, location(p), d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1);
  	    }
  	    return d3.rebind(zoom, event, "on");
  	  };
  	  var d3_behavior_zoomInfinity = [ 0, Infinity ], d3_behavior_zoomDelta, d3_behavior_zoomWheel;
  	  d3.color = d3_color;
  	  function d3_color() {}
  	  d3_color.prototype.toString = function() {
  	    return this.rgb() + "";
  	  };
  	  d3.hsl = d3_hsl;
  	  function d3_hsl(h, s, l) {
  	    return this instanceof d3_hsl ? void (this.h = +h, this.s = +s, this.l = +l) : arguments.length < 2 ? h instanceof d3_hsl ? new d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : new d3_hsl(h, s, l);
  	  }
  	  var d3_hslPrototype = d3_hsl.prototype = new d3_color();
  	  d3_hslPrototype.brighter = function(k) {
  	    k = Math.pow(.7, arguments.length ? k : 1);
  	    return new d3_hsl(this.h, this.s, this.l / k);
  	  };
  	  d3_hslPrototype.darker = function(k) {
  	    k = Math.pow(.7, arguments.length ? k : 1);
  	    return new d3_hsl(this.h, this.s, k * this.l);
  	  };
  	  d3_hslPrototype.rgb = function() {
  	    return d3_hsl_rgb(this.h, this.s, this.l);
  	  };
  	  function d3_hsl_rgb(h, s, l) {
  	    var m1, m2;
  	    h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h;
  	    s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s;
  	    l = l < 0 ? 0 : l > 1 ? 1 : l;
  	    m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
  	    m1 = 2 * l - m2;
  	    function v(h) {
  	      if (h > 360) h -= 360; else if (h < 0) h += 360;
  	      if (h < 60) return m1 + (m2 - m1) * h / 60;
  	      if (h < 180) return m2;
  	      if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
  	      return m1;
  	    }
  	    function vv(h) {
  	      return Math.round(v(h) * 255);
  	    }
  	    return new d3_rgb(vv(h + 120), vv(h), vv(h - 120));
  	  }
  	  d3.hcl = d3_hcl;
  	  function d3_hcl(h, c, l) {
  	    return this instanceof d3_hcl ? void (this.h = +h, this.c = +c, this.l = +l) : arguments.length < 2 ? h instanceof d3_hcl ? new d3_hcl(h.h, h.c, h.l) : h instanceof d3_lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : new d3_hcl(h, c, l);
  	  }
  	  var d3_hclPrototype = d3_hcl.prototype = new d3_color();
  	  d3_hclPrototype.brighter = function(k) {
  	    return new d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));
  	  };
  	  d3_hclPrototype.darker = function(k) {
  	    return new d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)));
  	  };
  	  d3_hclPrototype.rgb = function() {
  	    return d3_hcl_lab(this.h, this.c, this.l).rgb();
  	  };
  	  function d3_hcl_lab(h, c, l) {
  	    if (isNaN(h)) h = 0;
  	    if (isNaN(c)) c = 0;
  	    return new d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c);
  	  }
  	  d3.lab = d3_lab;
  	  function d3_lab(l, a, b) {
  	    return this instanceof d3_lab ? void (this.l = +l, this.a = +a, this.b = +b) : arguments.length < 2 ? l instanceof d3_lab ? new d3_lab(l.l, l.a, l.b) : l instanceof d3_hcl ? d3_hcl_lab(l.h, l.c, l.l) : d3_rgb_lab((l = d3_rgb(l)).r, l.g, l.b) : new d3_lab(l, a, b);
  	  }
  	  var d3_lab_K = 18;
  	  var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883;
  	  var d3_labPrototype = d3_lab.prototype = new d3_color();
  	  d3_labPrototype.brighter = function(k) {
  	    return new d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
  	  };
  	  d3_labPrototype.darker = function(k) {
  	    return new d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
  	  };
  	  d3_labPrototype.rgb = function() {
  	    return d3_lab_rgb(this.l, this.a, this.b);
  	  };
  	  function d3_lab_rgb(l, a, b) {
  	    var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200;
  	    x = d3_lab_xyz(x) * d3_lab_X;
  	    y = d3_lab_xyz(y) * d3_lab_Y;
  	    z = d3_lab_xyz(z) * d3_lab_Z;
  	    return new d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z));
  	  }
  	  function d3_lab_hcl(l, a, b) {
  	    return l > 0 ? new d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : new d3_hcl(NaN, NaN, l);
  	  }
  	  function d3_lab_xyz(x) {
  	    return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037;
  	  }
  	  function d3_xyz_lab(x) {
  	    return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;
  	  }
  	  function d3_xyz_rgb(r) {
  	    return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055));
  	  }
  	  d3.rgb = d3_rgb;
  	  function d3_rgb(r, g, b) {
  	    return this instanceof d3_rgb ? void (this.r = ~~r, this.g = ~~g, this.b = ~~b) : arguments.length < 2 ? r instanceof d3_rgb ? new d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : new d3_rgb(r, g, b);
  	  }
  	  function d3_rgbNumber(value) {
  	    return new d3_rgb(value >> 16, value >> 8 & 255, value & 255);
  	  }
  	  function d3_rgbString(value) {
  	    return d3_rgbNumber(value) + "";
  	  }
  	  var d3_rgbPrototype = d3_rgb.prototype = new d3_color();
  	  d3_rgbPrototype.brighter = function(k) {
  	    k = Math.pow(.7, arguments.length ? k : 1);
  	    var r = this.r, g = this.g, b = this.b, i = 30;
  	    if (!r && !g && !b) return new d3_rgb(i, i, i);
  	    if (r && r < i) r = i;
  	    if (g && g < i) g = i;
  	    if (b && b < i) b = i;
  	    return new d3_rgb(Math.min(255, r / k), Math.min(255, g / k), Math.min(255, b / k));
  	  };
  	  d3_rgbPrototype.darker = function(k) {
  	    k = Math.pow(.7, arguments.length ? k : 1);
  	    return new d3_rgb(k * this.r, k * this.g, k * this.b);
  	  };
  	  d3_rgbPrototype.hsl = function() {
  	    return d3_rgb_hsl(this.r, this.g, this.b);
  	  };
  	  d3_rgbPrototype.toString = function() {
  	    return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
  	  };
  	  function d3_rgb_hex(v) {
  	    return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16);
  	  }
  	  function d3_rgb_parse(format, rgb, hsl) {
  	    var r = 0, g = 0, b = 0, m1, m2, color;
  	    m1 = /([a-z]+)\((.*)\)/.exec(format = format.toLowerCase());
  	    if (m1) {
  	      m2 = m1[2].split(",");
  	      switch (m1[1]) {
  	       case "hsl":
  	        {
  	          return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100);
  	        }
  	
  	       case "rgb":
  	        {
  	          return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2]));
  	        }
  	      }
  	    }
  	    if (color = d3_rgb_names.get(format)) {
  	      return rgb(color.r, color.g, color.b);
  	    }
  	    if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.slice(1), 16))) {
  	      if (format.length === 4) {
  	        r = (color & 3840) >> 4;
  	        r = r >> 4 | r;
  	        g = color & 240;
  	        g = g >> 4 | g;
  	        b = color & 15;
  	        b = b << 4 | b;
  	      } else if (format.length === 7) {
  	        r = (color & 16711680) >> 16;
  	        g = (color & 65280) >> 8;
  	        b = color & 255;
  	      }
  	    }
  	    return rgb(r, g, b);
  	  }
  	  function d3_rgb_hsl(r, g, b) {
  	    var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2;
  	    if (d) {
  	      s = l < .5 ? d / (max + min) : d / (2 - max - min);
  	      if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4;
  	      h *= 60;
  	    } else {
  	      h = NaN;
  	      s = l > 0 && l < 1 ? 0 : h;
  	    }
  	    return new d3_hsl(h, s, l);
  	  }
  	  function d3_rgb_lab(r, g, b) {
  	    r = d3_rgb_xyz(r);
  	    g = d3_rgb_xyz(g);
  	    b = d3_rgb_xyz(b);
  	    var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z);
  	    return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z));
  	  }
  	  function d3_rgb_xyz(r) {
  	    return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4);
  	  }
  	  function d3_rgb_parseNumber(c) {
  	    var f = parseFloat(c);
  	    return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
  	  }
  	  var d3_rgb_names = d3.map({
  	    aliceblue: 15792383,
  	    antiquewhite: 16444375,
  	    aqua: 65535,
  	    aquamarine: 8388564,
  	    azure: 15794175,
  	    beige: 16119260,
  	    bisque: 16770244,
  	    black: 0,
  	    blanchedalmond: 16772045,
  	    blue: 255,
  	    blueviolet: 9055202,
  	    brown: 10824234,
  	    burlywood: 14596231,
  	    cadetblue: 6266528,
  	    chartreuse: 8388352,
  	    chocolate: 13789470,
  	    coral: 16744272,
  	    cornflowerblue: 6591981,
  	    cornsilk: 16775388,
  	    crimson: 14423100,
  	    cyan: 65535,
  	    darkblue: 139,
  	    darkcyan: 35723,
  	    darkgoldenrod: 12092939,
  	    darkgray: 11119017,
  	    darkgreen: 25600,
  	    darkgrey: 11119017,
  	    darkkhaki: 12433259,
  	    darkmagenta: 9109643,
  	    darkolivegreen: 5597999,
  	    darkorange: 16747520,
  	    darkorchid: 10040012,
  	    darkred: 9109504,
  	    darksalmon: 15308410,
  	    darkseagreen: 9419919,
  	    darkslateblue: 4734347,
  	    darkslategray: 3100495,
  	    darkslategrey: 3100495,
  	    darkturquoise: 52945,
  	    darkviolet: 9699539,
  	    deeppink: 16716947,
  	    deepskyblue: 49151,
  	    dimgray: 6908265,
  	    dimgrey: 6908265,
  	    dodgerblue: 2003199,
  	    firebrick: 11674146,
  	    floralwhite: 16775920,
  	    forestgreen: 2263842,
  	    fuchsia: 16711935,
  	    gainsboro: 14474460,
  	    ghostwhite: 16316671,
  	    gold: 16766720,
  	    goldenrod: 14329120,
  	    gray: 8421504,
  	    green: 32768,
  	    greenyellow: 11403055,
  	    grey: 8421504,
  	    honeydew: 15794160,
  	    hotpink: 16738740,
  	    indianred: 13458524,
  	    indigo: 4915330,
  	    ivory: 16777200,
  	    khaki: 15787660,
  	    lavender: 15132410,
  	    lavenderblush: 16773365,
  	    lawngreen: 8190976,
  	    lemonchiffon: 16775885,
  	    lightblue: 11393254,
  	    lightcoral: 15761536,
  	    lightcyan: 14745599,
  	    lightgoldenrodyellow: 16448210,
  	    lightgray: 13882323,
  	    lightgreen: 9498256,
  	    lightgrey: 13882323,
  	    lightpink: 16758465,
  	    lightsalmon: 16752762,
  	    lightseagreen: 2142890,
  	    lightskyblue: 8900346,
  	    lightslategray: 7833753,
  	    lightslategrey: 7833753,
  	    lightsteelblue: 11584734,
  	    lightyellow: 16777184,
  	    lime: 65280,
  	    limegreen: 3329330,
  	    linen: 16445670,
  	    magenta: 16711935,
  	    maroon: 8388608,
  	    mediumaquamarine: 6737322,
  	    mediumblue: 205,
  	    mediumorchid: 12211667,
  	    mediumpurple: 9662683,
  	    mediumseagreen: 3978097,
  	    mediumslateblue: 8087790,
  	    mediumspringgreen: 64154,
  	    mediumturquoise: 4772300,
  	    mediumvioletred: 13047173,
  	    midnightblue: 1644912,
  	    mintcream: 16121850,
  	    mistyrose: 16770273,
  	    moccasin: 16770229,
  	    navajowhite: 16768685,
  	    navy: 128,
  	    oldlace: 16643558,
  	    olive: 8421376,
  	    olivedrab: 7048739,
  	    orange: 16753920,
  	    orangered: 16729344,
  	    orchid: 14315734,
  	    palegoldenrod: 15657130,
  	    palegreen: 10025880,
  	    paleturquoise: 11529966,
  	    palevioletred: 14381203,
  	    papayawhip: 16773077,
  	    peachpuff: 16767673,
  	    peru: 13468991,
  	    pink: 16761035,
  	    plum: 14524637,
  	    powderblue: 11591910,
  	    purple: 8388736,
  	    rebeccapurple: 6697881,
  	    red: 16711680,
  	    rosybrown: 12357519,
  	    royalblue: 4286945,
  	    saddlebrown: 9127187,
  	    salmon: 16416882,
  	    sandybrown: 16032864,
  	    seagreen: 3050327,
  	    seashell: 16774638,
  	    sienna: 10506797,
  	    silver: 12632256,
  	    skyblue: 8900331,
  	    slateblue: 6970061,
  	    slategray: 7372944,
  	    slategrey: 7372944,
  	    snow: 16775930,
  	    springgreen: 65407,
  	    steelblue: 4620980,
  	    tan: 13808780,
  	    teal: 32896,
  	    thistle: 14204888,
  	    tomato: 16737095,
  	    turquoise: 4251856,
  	    violet: 15631086,
  	    wheat: 16113331,
  	    white: 16777215,
  	    whitesmoke: 16119285,
  	    yellow: 16776960,
  	    yellowgreen: 10145074
  	  });
  	  d3_rgb_names.forEach(function(key, value) {
  	    d3_rgb_names.set(key, d3_rgbNumber(value));
  	  });
  	  function d3_functor(v) {
  	    return typeof v === "function" ? v : function() {
  	      return v;
  	    };
  	  }
  	  d3.functor = d3_functor;
  	  d3.xhr = d3_xhrType(d3_identity);
  	  function d3_xhrType(response) {
  	    return function(url, mimeType, callback) {
  	      if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, 
  	      mimeType = null;
  	      return d3_xhr(url, mimeType, response, callback);
  	    };
  	  }
  	  function d3_xhr(url, mimeType, response, callback) {
  	    var xhr = {}, dispatch = d3.dispatch("beforesend", "progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null;
  	    if (this.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest();
  	    "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() {
  	      request.readyState > 3 && respond();
  	    };
  	    function respond() {
  	      var status = request.status, result;
  	      if (!status && d3_xhrHasResponse(request) || status >= 200 && status < 300 || status === 304) {
  	        try {
  	          result = response.call(xhr, request);
  	        } catch (e) {
  	          dispatch.error.call(xhr, e);
  	          return;
  	        }
  	        dispatch.load.call(xhr, result);
  	      } else {
  	        dispatch.error.call(xhr, request);
  	      }
  	    }
  	    request.onprogress = function(event) {
  	      var o = d3.event;
  	      d3.event = event;
  	      try {
  	        dispatch.progress.call(xhr, request);
  	      } finally {
  	        d3.event = o;
  	      }
  	    };
  	    xhr.header = function(name, value) {
  	      name = (name + "").toLowerCase();
  	      if (arguments.length < 2) return headers[name];
  	      if (value == null) delete headers[name]; else headers[name] = value + "";
  	      return xhr;
  	    };
  	    xhr.mimeType = function(value) {
  	      if (!arguments.length) return mimeType;
  	      mimeType = value == null ? null : value + "";
  	      return xhr;
  	    };
  	    xhr.responseType = function(value) {
  	      if (!arguments.length) return responseType;
  	      responseType = value;
  	      return xhr;
  	    };
  	    xhr.response = function(value) {
  	      response = value;
  	      return xhr;
  	    };
  	    [ "get", "post" ].forEach(function(method) {
  	      xhr[method] = function() {
  	        return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments)));
  	      };
  	    });
  	    xhr.send = function(method, data, callback) {
  	      if (arguments.length === 2 && typeof data === "function") callback = data, data = null;
  	      request.open(method, url, true);
  	      if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*";
  	      if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]);
  	      if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType);
  	      if (responseType != null) request.responseType = responseType;
  	      if (callback != null) xhr.on("error", callback).on("load", function(request) {
  	        callback(null, request);
  	      });
  	      dispatch.beforesend.call(xhr, request);
  	      request.send(data == null ? null : data);
  	      return xhr;
  	    };
  	    xhr.abort = function() {
  	      request.abort();
  	      return xhr;
  	    };
  	    d3.rebind(xhr, dispatch, "on");
  	    return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback));
  	  }
  	  function d3_xhr_fixCallback(callback) {
  	    return callback.length === 1 ? function(error, request) {
  	      callback(error == null ? request : null);
  	    } : callback;
  	  }
  	  function d3_xhrHasResponse(request) {
  	    var type = request.responseType;
  	    return type && type !== "text" ? request.response : request.responseText;
  	  }
  	  d3.dsv = function(delimiter, mimeType) {
  	    var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0);
  	    function dsv(url, row, callback) {
  	      if (arguments.length < 3) callback = row, row = null;
  	      var xhr = d3_xhr(url, mimeType, row == null ? response : typedResponse(row), callback);
  	      xhr.row = function(_) {
  	        return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row;
  	      };
  	      return xhr;
  	    }
  	    function response(request) {
  	      return dsv.parse(request.responseText);
  	    }
  	    function typedResponse(f) {
  	      return function(request) {
  	        return dsv.parse(request.responseText, f);
  	      };
  	    }
  	    dsv.parse = function(text, f) {
  	      var o;
  	      return dsv.parseRows(text, function(row, i) {
  	        if (o) return o(row, i - 1);
  	        var a = new Function("d", "return {" + row.map(function(name, i) {
  	          return JSON.stringify(name) + ": d[" + i + "]";
  	        }).join(",") + "}");
  	        o = f ? function(row, i) {
  	          return f(a(row), i);
  	        } : a;
  	      });
  	    };
  	    dsv.parseRows = function(text, f) {
  	      var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol;
  	      function token() {
  	        if (I >= N) return EOF;
  	        if (eol) return eol = false, EOL;
  	        var j = I;
  	        if (text.charCodeAt(j) === 34) {
  	          var i = j;
  	          while (i++ < N) {
  	            if (text.charCodeAt(i) === 34) {
  	              if (text.charCodeAt(i + 1) !== 34) break;
  	              ++i;
  	            }
  	          }
  	          I = i + 2;
  	          var c = text.charCodeAt(i + 1);
  	          if (c === 13) {
  	            eol = true;
  	            if (text.charCodeAt(i + 2) === 10) ++I;
  	          } else if (c === 10) {
  	            eol = true;
  	          }
  	          return text.slice(j + 1, i).replace(/""/g, '"');
  	        }
  	        while (I < N) {
  	          var c = text.charCodeAt(I++), k = 1;
  	          if (c === 10) eol = true; else if (c === 13) {
  	            eol = true;
  	            if (text.charCodeAt(I) === 10) ++I, ++k;
  	          } else if (c !== delimiterCode) continue;
  	          return text.slice(j, I - k);
  	        }
  	        return text.slice(j);
  	      }
  	      while ((t = token()) !== EOF) {
  	        var a = [];
  	        while (t !== EOL && t !== EOF) {
  	          a.push(t);
  	          t = token();
  	        }
  	        if (f && (a = f(a, n++)) == null) continue;
  	        rows.push(a);
  	      }
  	      return rows;
  	    };
  	    dsv.format = function(rows) {
  	      if (Array.isArray(rows[0])) return dsv.formatRows(rows);
  	      var fieldSet = new d3_Set(), fields = [];
  	      rows.forEach(function(row) {
  	        for (var field in row) {
  	          if (!fieldSet.has(field)) {
  	            fields.push(fieldSet.add(field));
  	          }
  	        }
  	      });
  	      return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) {
  	        return fields.map(function(field) {
  	          return formatValue(row[field]);
  	        }).join(delimiter);
  	      })).join("\n");
  	    };
  	    dsv.formatRows = function(rows) {
  	      return rows.map(formatRow).join("\n");
  	    };
  	    function formatRow(row) {
  	      return row.map(formatValue).join(delimiter);
  	    }
  	    function formatValue(text) {
  	      return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text;
  	    }
  	    return dsv;
  	  };
  	  d3.csv = d3.dsv(",", "text/csv");
  	  d3.tsv = d3.dsv("	", "text/tab-separated-values");
  	  var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_frame = this[d3_vendorSymbol(this, "requestAnimationFrame")] || function(callback) {
  	    setTimeout(callback, 17);
  	  };
  	  d3.timer = function() {
  	    d3_timer.apply(this, arguments);
  	  };
  	  function d3_timer(callback, delay, then) {
  	    var n = arguments.length;
  	    if (n < 2) delay = 0;
  	    if (n < 3) then = Date.now();
  	    var time = then + delay, timer = {
  	      c: callback,
  	      t: time,
  	      n: null
  	    };
  	    if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer;
  	    d3_timer_queueTail = timer;
  	    if (!d3_timer_interval) {
  	      d3_timer_timeout = clearTimeout(d3_timer_timeout);
  	      d3_timer_interval = 1;
  	      d3_timer_frame(d3_timer_step);
  	    }
  	    return timer;
  	  }
  	  function d3_timer_step() {
  	    var now = d3_timer_mark(), delay = d3_timer_sweep() - now;
  	    if (delay > 24) {
  	      if (isFinite(delay)) {
  	        clearTimeout(d3_timer_timeout);
  	        d3_timer_timeout = setTimeout(d3_timer_step, delay);
  	      }
  	      d3_timer_interval = 0;
  	    } else {
  	      d3_timer_interval = 1;
  	      d3_timer_frame(d3_timer_step);
  	    }
  	  }
  	  d3.timer.flush = function() {
  	    d3_timer_mark();
  	    d3_timer_sweep();
  	  };
  	  function d3_timer_mark() {
  	    var now = Date.now(), timer = d3_timer_queueHead;
  	    while (timer) {
  	      if (now >= timer.t && timer.c(now - timer.t)) timer.c = null;
  	      timer = timer.n;
  	    }
  	    return now;
  	  }
  	  function d3_timer_sweep() {
  	    var t0, t1 = d3_timer_queueHead, time = Infinity;
  	    while (t1) {
  	      if (t1.c) {
  	        if (t1.t < time) time = t1.t;
  	        t1 = (t0 = t1).n;
  	      } else {
  	        t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n;
  	      }
  	    }
  	    d3_timer_queueTail = t0;
  	    return time;
  	  }
  	  function d3_format_precision(x, p) {
  	    return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1);
  	  }
  	  d3.round = function(x, n) {
  	    return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);
  	  };
  	  var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix);
  	  d3.formatPrefix = function(value, precision) {
  	    var i = 0;
  	    if (value = +value) {
  	      if (value < 0) value *= -1;
  	      if (precision) value = d3.round(value, d3_format_precision(value, precision));
  	      i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
  	      i = Math.max(-24, Math.min(24, Math.floor((i - 1) / 3) * 3));
  	    }
  	    return d3_formatPrefixes[8 + i / 3];
  	  };
  	  function d3_formatPrefix(d, i) {
  	    var k = Math.pow(10, abs(8 - i) * 3);
  	    return {
  	      scale: i > 8 ? function(d) {
  	        return d / k;
  	      } : function(d) {
  	        return d * k;
  	      },
  	      symbol: d
  	    };
  	  }
  	  function d3_locale_numberFormat(locale) {
  	    var locale_decimal = locale.decimal, locale_thousands = locale.thousands, locale_grouping = locale.grouping, locale_currency = locale.currency, formatGroup = locale_grouping && locale_thousands ? function(value, width) {
  	      var i = value.length, t = [], j = 0, g = locale_grouping[0], length = 0;
  	      while (i > 0 && g > 0) {
  	        if (length + g + 1 > width) g = Math.max(1, width - length);
  	        t.push(value.substring(i -= g, i + g));
  	        if ((length += g + 1) > width) break;
  	        g = locale_grouping[j = (j + 1) % locale_grouping.length];
  	      }
  	      return t.reverse().join(locale_thousands);
  	    } : d3_identity;
  	    return function(specifier) {
  	      var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "-", symbol = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, prefix = "", suffix = "", integer = false, exponent = true;
  	      if (precision) precision = +precision.substring(1);
  	      if (zfill || fill === "0" && align === "=") {
  	        zfill = fill = "0";
  	        align = "=";
  	      }
  	      switch (type) {
  	       case "n":
  	        comma = true;
  	        type = "g";
  	        break;
  	
  	       case "%":
  	        scale = 100;
  	        suffix = "%";
  	        type = "f";
  	        break;
  	
  	       case "p":
  	        scale = 100;
  	        suffix = "%";
  	        type = "r";
  	        break;
  	
  	       case "b":
  	       case "o":
  	       case "x":
  	       case "X":
  	        if (symbol === "#") prefix = "0" + type.toLowerCase();
  	
  	       case "c":
  	        exponent = false;
  	
  	       case "d":
  	        integer = true;
  	        precision = 0;
  	        break;
  	
  	       case "s":
  	        scale = -1;
  	        type = "r";
  	        break;
  	      }
  	      if (symbol === "$") prefix = locale_currency[0], suffix = locale_currency[1];
  	      if (type == "r" && !precision) type = "g";
  	      if (precision != null) {
  	        if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision));
  	      }
  	      type = d3_format_types.get(type) || d3_format_typeDefault;
  	      var zcomma = zfill && comma;
  	      return function(value) {
  	        var fullSuffix = suffix;
  	        if (integer && value % 1) return "";
  	        var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign === "-" ? "" : sign;
  	        if (scale < 0) {
  	          var unit = d3.formatPrefix(value, precision);
  	          value = unit.scale(value);
  	          fullSuffix = unit.symbol + suffix;
  	        } else {
  	          value *= scale;
  	        }
  	        value = type(value, precision);
  	        var i = value.lastIndexOf("."), before, after;
  	        if (i < 0) {
  	          var j = exponent ? value.lastIndexOf("e") : -1;
  	          if (j < 0) before = value, after = ""; else before = value.substring(0, j), after = value.substring(j);
  	        } else {
  	          before = value.substring(0, i);
  	          after = locale_decimal + value.substring(i + 1);
  	        }
  	        if (!zfill && comma) before = formatGroup(before, Infinity);
  	        var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : "";
  	        if (zcomma) before = formatGroup(padding + before, padding.length ? width - after.length : Infinity);
  	        negative += prefix;
  	        value = before + after;
  	        return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + fullSuffix;
  	      };
  	    };
  	  }
  	  var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i;
  	  var d3_format_types = d3.map({
  	    b: function(x) {
  	      return x.toString(2);
  	    },
  	    c: function(x) {
  	      return String.fromCharCode(x);
  	    },
  	    o: function(x) {
  	      return x.toString(8);
  	    },
  	    x: function(x) {
  	      return x.toString(16);
  	    },
  	    X: function(x) {
  	      return x.toString(16).toUpperCase();
  	    },
  	    g: function(x, p) {
  	      return x.toPrecision(p);
  	    },
  	    e: function(x, p) {
  	      return x.toExponential(p);
  	    },
  	    f: function(x, p) {
  	      return x.toFixed(p);
  	    },
  	    r: function(x, p) {
  	      return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p))));
  	    }
  	  });
  	  function d3_format_typeDefault(x) {
  	    return x + "";
  	  }
  	  var d3_time = d3.time = {}, d3_date = Date;
  	  function d3_date_utc() {
  	    this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]);
  	  }
  	  d3_date_utc.prototype = {
  	    getDate: function() {
  	      return this._.getUTCDate();
  	    },
  	    getDay: function() {
  	      return this._.getUTCDay();
  	    },
  	    getFullYear: function() {
  	      return this._.getUTCFullYear();
  	    },
  	    getHours: function() {
  	      return this._.getUTCHours();
  	    },
  	    getMilliseconds: function() {
  	      return this._.getUTCMilliseconds();
  	    },
  	    getMinutes: function() {
  	      return this._.getUTCMinutes();
  	    },
  	    getMonth: function() {
  	      return this._.getUTCMonth();
  	    },
  	    getSeconds: function() {
  	      return this._.getUTCSeconds();
  	    },
  	    getTime: function() {
  	      return this._.getTime();
  	    },
  	    getTimezoneOffset: function() {
  	      return 0;
  	    },
  	    valueOf: function() {
  	      return this._.valueOf();
  	    },
  	    setDate: function() {
  	      d3_time_prototype.setUTCDate.apply(this._, arguments);
  	    },
  	    setDay: function() {
  	      d3_time_prototype.setUTCDay.apply(this._, arguments);
  	    },
  	    setFullYear: function() {
  	      d3_time_prototype.setUTCFullYear.apply(this._, arguments);
  	    },
  	    setHours: function() {
  	      d3_time_prototype.setUTCHours.apply(this._, arguments);
  	    },
  	    setMilliseconds: function() {
  	      d3_time_prototype.setUTCMilliseconds.apply(this._, arguments);
  	    },
  	    setMinutes: function() {
  	      d3_time_prototype.setUTCMinutes.apply(this._, arguments);
  	    },
  	    setMonth: function() {
  	      d3_time_prototype.setUTCMonth.apply(this._, arguments);
  	    },
  	    setSeconds: function() {
  	      d3_time_prototype.setUTCSeconds.apply(this._, arguments);
  	    },
  	    setTime: function() {
  	      d3_time_prototype.setTime.apply(this._, arguments);
  	    }
  	  };
  	  var d3_time_prototype = Date.prototype;
  	  function d3_time_interval(local, step, number) {
  	    function round(date) {
  	      var d0 = local(date), d1 = offset(d0, 1);
  	      return date - d0 < d1 - date ? d0 : d1;
  	    }
  	    function ceil(date) {
  	      step(date = local(new d3_date(date - 1)), 1);
  	      return date;
  	    }
  	    function offset(date, k) {
  	      step(date = new d3_date(+date), k);
  	      return date;
  	    }
  	    function range(t0, t1, dt) {
  	      var time = ceil(t0), times = [];
  	      if (dt > 1) {
  	        while (time < t1) {
  	          if (!(number(time) % dt)) times.push(new Date(+time));
  	          step(time, 1);
  	        }
  	      } else {
  	        while (time < t1) times.push(new Date(+time)), step(time, 1);
  	      }
  	      return times;
  	    }
  	    function range_utc(t0, t1, dt) {
  	      try {
  	        d3_date = d3_date_utc;
  	        var utc = new d3_date_utc();
  	        utc._ = t0;
  	        return range(utc, t1, dt);
  	      } finally {
  	        d3_date = Date;
  	      }
  	    }
  	    local.floor = local;
  	    local.round = round;
  	    local.ceil = ceil;
  	    local.offset = offset;
  	    local.range = range;
  	    var utc = local.utc = d3_time_interval_utc(local);
  	    utc.floor = utc;
  	    utc.round = d3_time_interval_utc(round);
  	    utc.ceil = d3_time_interval_utc(ceil);
  	    utc.offset = d3_time_interval_utc(offset);
  	    utc.range = range_utc;
  	    return local;
  	  }
  	  function d3_time_interval_utc(method) {
  	    return function(date, k) {
  	      try {
  	        d3_date = d3_date_utc;
  	        var utc = new d3_date_utc();
  	        utc._ = date;
  	        return method(utc, k)._;
  	      } finally {
  	        d3_date = Date;
  	      }
  	    };
  	  }
  	  d3_time.year = d3_time_interval(function(date) {
  	    date = d3_time.day(date);
  	    date.setMonth(0, 1);
  	    return date;
  	  }, function(date, offset) {
  	    date.setFullYear(date.getFullYear() + offset);
  	  }, function(date) {
  	    return date.getFullYear();
  	  });
  	  d3_time.years = d3_time.year.range;
  	  d3_time.years.utc = d3_time.year.utc.range;
  	  d3_time.day = d3_time_interval(function(date) {
  	    var day = new d3_date(2e3, 0);
  	    day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());
  	    return day;
  	  }, function(date, offset) {
  	    date.setDate(date.getDate() + offset);
  	  }, function(date) {
  	    return date.getDate() - 1;
  	  });
  	  d3_time.days = d3_time.day.range;
  	  d3_time.days.utc = d3_time.day.utc.range;
  	  d3_time.dayOfYear = function(date) {
  	    var year = d3_time.year(date);
  	    return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5);
  	  };
  	  [ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday" ].forEach(function(day, i) {
  	    i = 7 - i;
  	    var interval = d3_time[day] = d3_time_interval(function(date) {
  	      (date = d3_time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);
  	      return date;
  	    }, function(date, offset) {
  	      date.setDate(date.getDate() + Math.floor(offset) * 7);
  	    }, function(date) {
  	      var day = d3_time.year(date).getDay();
  	      return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);
  	    });
  	    d3_time[day + "s"] = interval.range;
  	    d3_time[day + "s"].utc = interval.utc.range;
  	    d3_time[day + "OfYear"] = function(date) {
  	      var day = d3_time.year(date).getDay();
  	      return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7);
  	    };
  	  });
  	  d3_time.week = d3_time.sunday;
  	  d3_time.weeks = d3_time.sunday.range;
  	  d3_time.weeks.utc = d3_time.sunday.utc.range;
  	  d3_time.weekOfYear = d3_time.sundayOfYear;
  	  function d3_locale_timeFormat(locale) {
  	    var locale_dateTime = locale.dateTime, locale_date = locale.date, locale_time = locale.time, locale_periods = locale.periods, locale_days = locale.days, locale_shortDays = locale.shortDays, locale_months = locale.months, locale_shortMonths = locale.shortMonths;
  	    function d3_time_format(template) {
  	      var n = template.length;
  	      function format(date) {
  	        var string = [], i = -1, j = 0, c, p, f;
  	        while (++i < n) {
  	          if (template.charCodeAt(i) === 37) {
  	            string.push(template.slice(j, i));
  	            if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i);
  	            if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p);
  	            string.push(c);
  	            j = i + 1;
  	          }
  	        }
  	        string.push(template.slice(j, i));
  	        return string.join("");
  	      }
  	      format.parse = function(string) {
  	        var d = {
  	          y: 1900,
  	          m: 0,
  	          d: 1,
  	          H: 0,
  	          M: 0,
  	          S: 0,
  	          L: 0,
  	          Z: null
  	        }, i = d3_time_parse(d, template, string, 0);
  	        if (i != string.length) return null;
  	        if ("p" in d) d.H = d.H % 12 + d.p * 12;
  	        var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)();
  	        if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("W" in d || "U" in d) {
  	          if (!("w" in d)) d.w = "W" in d ? 1 : 0;
  	          date.setFullYear(d.y, 0, 1);
  	          date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7);
  	        } else date.setFullYear(d.y, d.m, d.d);
  	        date.setHours(d.H + (d.Z / 100 | 0), d.M + d.Z % 100, d.S, d.L);
  	        return localZ ? date._ : date;
  	      };
  	      format.toString = function() {
  	        return template;
  	      };
  	      return format;
  	    }
  	    function d3_time_parse(date, template, string, j) {
  	      var c, p, t, i = 0, n = template.length, m = string.length;
  	      while (i < n) {
  	        if (j >= m) return -1;
  	        c = template.charCodeAt(i++);
  	        if (c === 37) {
  	          t = template.charAt(i++);
  	          p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t];
  	          if (!p || (j = p(date, string, j)) < 0) return -1;
  	        } else if (c != string.charCodeAt(j++)) {
  	          return -1;
  	        }
  	      }
  	      return j;
  	    }
  	    d3_time_format.utc = function(template) {
  	      var local = d3_time_format(template);
  	      function format(date) {
  	        try {
  	          d3_date = d3_date_utc;
  	          var utc = new d3_date();
  	          utc._ = date;
  	          return local(utc);
  	        } finally {
  	          d3_date = Date;
  	        }
  	      }
  	      format.parse = function(string) {
  	        try {
  	          d3_date = d3_date_utc;
  	          var date = local.parse(string);
  	          return date && date._;
  	        } finally {
  	          d3_date = Date;
  	        }
  	      };
  	      format.toString = local.toString;
  	      return format;
  	    };
  	    d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti;
  	    var d3_time_periodLookup = d3.map(), d3_time_dayRe = d3_time_formatRe(locale_days), d3_time_dayLookup = d3_time_formatLookup(locale_days), d3_time_dayAbbrevRe = d3_time_formatRe(locale_shortDays), d3_time_dayAbbrevLookup = d3_time_formatLookup(locale_shortDays), d3_time_monthRe = d3_time_formatRe(locale_months), d3_time_monthLookup = d3_time_formatLookup(locale_months), d3_time_monthAbbrevRe = d3_time_formatRe(locale_shortMonths), d3_time_monthAbbrevLookup = d3_time_formatLookup(locale_shortMonths);
  	    locale_periods.forEach(function(p, i) {
  	      d3_time_periodLookup.set(p.toLowerCase(), i);
  	    });
  	    var d3_time_formats = {
  	      a: function(d) {
  	        return locale_shortDays[d.getDay()];
  	      },
  	      A: function(d) {
  	        return locale_days[d.getDay()];
  	      },
  	      b: function(d) {
  	        return locale_shortMonths[d.getMonth()];
  	      },
  	      B: function(d) {
  	        return locale_months[d.getMonth()];
  	      },
  	      c: d3_time_format(locale_dateTime),
  	      d: function(d, p) {
  	        return d3_time_formatPad(d.getDate(), p, 2);
  	      },
  	      e: function(d, p) {
  	        return d3_time_formatPad(d.getDate(), p, 2);
  	      },
  	      H: function(d, p) {
  	        return d3_time_formatPad(d.getHours(), p, 2);
  	      },
  	      I: function(d, p) {
  	        return d3_time_formatPad(d.getHours() % 12 || 12, p, 2);
  	      },
  	      j: function(d, p) {
  	        return d3_time_formatPad(1 + d3_time.dayOfYear(d), p, 3);
  	      },
  	      L: function(d, p) {
  	        return d3_time_formatPad(d.getMilliseconds(), p, 3);
  	      },
  	      m: function(d, p) {
  	        return d3_time_formatPad(d.getMonth() + 1, p, 2);
  	      },
  	      M: function(d, p) {
  	        return d3_time_formatPad(d.getMinutes(), p, 2);
  	      },
  	      p: function(d) {
  	        return locale_periods[+(d.getHours() >= 12)];
  	      },
  	      S: function(d, p) {
  	        return d3_time_formatPad(d.getSeconds(), p, 2);
  	      },
  	      U: function(d, p) {
  	        return d3_time_formatPad(d3_time.sundayOfYear(d), p, 2);
  	      },
  	      w: function(d) {
  	        return d.getDay();
  	      },
  	      W: function(d, p) {
  	        return d3_time_formatPad(d3_time.mondayOfYear(d), p, 2);
  	      },
  	      x: d3_time_format(locale_date),
  	      X: d3_time_format(locale_time),
  	      y: function(d, p) {
  	        return d3_time_formatPad(d.getFullYear() % 100, p, 2);
  	      },
  	      Y: function(d, p) {
  	        return d3_time_formatPad(d.getFullYear() % 1e4, p, 4);
  	      },
  	      Z: d3_time_zone,
  	      "%": function() {
  	        return "%";
  	      }
  	    };
  	    var d3_time_parsers = {
  	      a: d3_time_parseWeekdayAbbrev,
  	      A: d3_time_parseWeekday,
  	      b: d3_time_parseMonthAbbrev,
  	      B: d3_time_parseMonth,
  	      c: d3_time_parseLocaleFull,
  	      d: d3_time_parseDay,
  	      e: d3_time_parseDay,
  	      H: d3_time_parseHour24,
  	      I: d3_time_parseHour24,
  	      j: d3_time_parseDayOfYear,
  	      L: d3_time_parseMilliseconds,
  	      m: d3_time_parseMonthNumber,
  	      M: d3_time_parseMinutes,
  	      p: d3_time_parseAmPm,
  	      S: d3_time_parseSeconds,
  	      U: d3_time_parseWeekNumberSunday,
  	      w: d3_time_parseWeekdayNumber,
  	      W: d3_time_parseWeekNumberMonday,
  	      x: d3_time_parseLocaleDate,
  	      X: d3_time_parseLocaleTime,
  	      y: d3_time_parseYear,
  	      Y: d3_time_parseFullYear,
  	      Z: d3_time_parseZone,
  	      "%": d3_time_parseLiteralPercent
  	    };
  	    function d3_time_parseWeekdayAbbrev(date, string, i) {
  	      d3_time_dayAbbrevRe.lastIndex = 0;
  	      var n = d3_time_dayAbbrevRe.exec(string.slice(i));
  	      return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
  	    }
  	    function d3_time_parseWeekday(date, string, i) {
  	      d3_time_dayRe.lastIndex = 0;
  	      var n = d3_time_dayRe.exec(string.slice(i));
  	      return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
  	    }
  	    function d3_time_parseMonthAbbrev(date, string, i) {
  	      d3_time_monthAbbrevRe.lastIndex = 0;
  	      var n = d3_time_monthAbbrevRe.exec(string.slice(i));
  	      return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
  	    }
  	    function d3_time_parseMonth(date, string, i) {
  	      d3_time_monthRe.lastIndex = 0;
  	      var n = d3_time_monthRe.exec(string.slice(i));
  	      return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
  	    }
  	    function d3_time_parseLocaleFull(date, string, i) {
  	      return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
  	    }
  	    function d3_time_parseLocaleDate(date, string, i) {
  	      return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
  	    }
  	    function d3_time_parseLocaleTime(date, string, i) {
  	      return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
  	    }
  	    function d3_time_parseAmPm(date, string, i) {
  	      var n = d3_time_periodLookup.get(string.slice(i, i += 2).toLowerCase());
  	      return n == null ? -1 : (date.p = n, i);
  	    }
  	    return d3_time_format;
  	  }
  	  var d3_time_formatPads = {
  	    "-": "",
  	    _: " ",
  	    "0": "0"
  	  }, d3_time_numberRe = /^\s*\d+/, d3_time_percentRe = /^%/;
  	  function d3_time_formatPad(value, fill, width) {
  	    var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length;
  	    return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string);
  	  }
  	  function d3_time_formatRe(names) {
  	    return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i");
  	  }
  	  function d3_time_formatLookup(names) {
  	    var map = new d3_Map(), i = -1, n = names.length;
  	    while (++i < n) map.set(names[i].toLowerCase(), i);
  	    return map;
  	  }
  	  function d3_time_parseWeekdayNumber(date, string, i) {
  	    d3_time_numberRe.lastIndex = 0;
  	    var n = d3_time_numberRe.exec(string.slice(i, i + 1));
  	    return n ? (date.w = +n[0], i + n[0].length) : -1;
  	  }
  	  function d3_time_parseWeekNumberSunday(date, string, i) {
  	    d3_time_numberRe.lastIndex = 0;
  	    var n = d3_time_numberRe.exec(string.slice(i));
  	    return n ? (date.U = +n[0], i + n[0].length) : -1;
  	  }
  	  function d3_time_parseWeekNumberMonday(date, string, i) {
  	    d3_time_numberRe.lastIndex = 0;
  	    var n = d3_time_numberRe.exec(string.slice(i));
  	    return n ? (date.W = +n[0], i + n[0].length) : -1;
  	  }
  	  function d3_time_parseFullYear(date, string, i) {
  	    d3_time_numberRe.lastIndex = 0;
  	    var n = d3_time_numberRe.exec(string.slice(i, i + 4));
  	    return n ? (date.y = +n[0], i + n[0].length) : -1;
  	  }
  	  function d3_time_parseYear(date, string, i) {
  	    d3_time_numberRe.lastIndex = 0;
  	    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
  	    return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1;
  	  }
  	  function d3_time_parseZone(date, string, i) {
  	    return /^[+-]\d{4}$/.test(string = string.slice(i, i + 5)) ? (date.Z = -string, 
  	    i + 5) : -1;
  	  }
  	  function d3_time_expandYear(d) {
  	    return d + (d > 68 ? 1900 : 2e3);
  	  }
  	  function d3_time_parseMonthNumber(date, string, i) {
  	    d3_time_numberRe.lastIndex = 0;
  	    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
  	    return n ? (date.m = n[0] - 1, i + n[0].length) : -1;
  	  }
  	  function d3_time_parseDay(date, string, i) {
  	    d3_time_numberRe.lastIndex = 0;
  	    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
  	    return n ? (date.d = +n[0], i + n[0].length) : -1;
  	  }
  	  function d3_time_parseDayOfYear(date, string, i) {
  	    d3_time_numberRe.lastIndex = 0;
  	    var n = d3_time_numberRe.exec(string.slice(i, i + 3));
  	    return n ? (date.j = +n[0], i + n[0].length) : -1;
  	  }
  	  function d3_time_parseHour24(date, string, i) {
  	    d3_time_numberRe.lastIndex = 0;
  	    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
  	    return n ? (date.H = +n[0], i + n[0].length) : -1;
  	  }
  	  function d3_time_parseMinutes(date, string, i) {
  	    d3_time_numberRe.lastIndex = 0;
  	    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
  	    return n ? (date.M = +n[0], i + n[0].length) : -1;
  	  }
  	  function d3_time_parseSeconds(date, string, i) {
  	    d3_time_numberRe.lastIndex = 0;
  	    var n = d3_time_numberRe.exec(string.slice(i, i + 2));
  	    return n ? (date.S = +n[0], i + n[0].length) : -1;
  	  }
  	  function d3_time_parseMilliseconds(date, string, i) {
  	    d3_time_numberRe.lastIndex = 0;
  	    var n = d3_time_numberRe.exec(string.slice(i, i + 3));
  	    return n ? (date.L = +n[0], i + n[0].length) : -1;
  	  }
  	  function d3_time_zone(d) {
  	    var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = abs(z) / 60 | 0, zm = abs(z) % 60;
  	    return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2);
  	  }
  	  function d3_time_parseLiteralPercent(date, string, i) {
  	    d3_time_percentRe.lastIndex = 0;
  	    var n = d3_time_percentRe.exec(string.slice(i, i + 1));
  	    return n ? i + n[0].length : -1;
  	  }
  	  function d3_time_formatMulti(formats) {
  	    var n = formats.length, i = -1;
  	    while (++i < n) formats[i][0] = this(formats[i][0]);
  	    return function(date) {
  	      var i = 0, f = formats[i];
  	      while (!f[1](date)) f = formats[++i];
  	      return f[0](date);
  	    };
  	  }
  	  d3.locale = function(locale) {
  	    return {
  	      numberFormat: d3_locale_numberFormat(locale),
  	      timeFormat: d3_locale_timeFormat(locale)
  	    };
  	  };
  	  var d3_locale_enUS = d3.locale({
  	    decimal: ".",
  	    thousands: ",",
  	    grouping: [ 3 ],
  	    currency: [ "$", "" ],
  	    dateTime: "%a %b %e %X %Y",
  	    date: "%m/%d/%Y",
  	    time: "%H:%M:%S",
  	    periods: [ "AM", "PM" ],
  	    days: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ],
  	    shortDays: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ],
  	    months: [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ],
  	    shortMonths: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ]
  	  });
  	  d3.format = d3_locale_enUS.numberFormat;
  	  d3.geo = {};
  	  function d3_adder() {}
  	  d3_adder.prototype = {
  	    s: 0,
  	    t: 0,
  	    add: function(y) {
  	      d3_adderSum(y, this.t, d3_adderTemp);
  	      d3_adderSum(d3_adderTemp.s, this.s, this);
  	      if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t;
  	    },
  	    reset: function() {
  	      this.s = this.t = 0;
  	    },
  	    valueOf: function() {
  	      return this.s;
  	    }
  	  };
  	  var d3_adderTemp = new d3_adder();
  	  function d3_adderSum(a, b, o) {
  	    var x = o.s = a + b, bv = x - a, av = x - bv;
  	    o.t = a - av + (b - bv);
  	  }
  	  d3.geo.stream = function(object, listener) {
  	    if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) {
  	      d3_geo_streamObjectType[object.type](object, listener);
  	    } else {
  	      d3_geo_streamGeometry(object, listener);
  	    }
  	  };
  	  function d3_geo_streamGeometry(geometry, listener) {
  	    if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) {
  	      d3_geo_streamGeometryType[geometry.type](geometry, listener);
  	    }
  	  }
  	  var d3_geo_streamObjectType = {
  	    Feature: function(feature, listener) {
  	      d3_geo_streamGeometry(feature.geometry, listener);
  	    },
  	    FeatureCollection: function(object, listener) {
  	      var features = object.features, i = -1, n = features.length;
  	      while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener);
  	    }
  	  };
  	  var d3_geo_streamGeometryType = {
  	    Sphere: function(object, listener) {
  	      listener.sphere();
  	    },
  	    Point: function(object, listener) {
  	      object = object.coordinates;
  	      listener.point(object[0], object[1], object[2]);
  	    },
  	    MultiPoint: function(object, listener) {
  	      var coordinates = object.coordinates, i = -1, n = coordinates.length;
  	      while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]);
  	    },
  	    LineString: function(object, listener) {
  	      d3_geo_streamLine(object.coordinates, listener, 0);
  	    },
  	    MultiLineString: function(object, listener) {
  	      var coordinates = object.coordinates, i = -1, n = coordinates.length;
  	      while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0);
  	    },
  	    Polygon: function(object, listener) {
  	      d3_geo_streamPolygon(object.coordinates, listener);
  	    },
  	    MultiPolygon: function(object, listener) {
  	      var coordinates = object.coordinates, i = -1, n = coordinates.length;
  	      while (++i < n) d3_geo_streamPolygon(coordinates[i], listener);
  	    },
  	    GeometryCollection: function(object, listener) {
  	      var geometries = object.geometries, i = -1, n = geometries.length;
  	      while (++i < n) d3_geo_streamGeometry(geometries[i], listener);
  	    }
  	  };
  	  function d3_geo_streamLine(coordinates, listener, closed) {
  	    var i = -1, n = coordinates.length - closed, coordinate;
  	    listener.lineStart();
  	    while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1], coordinate[2]);
  	    listener.lineEnd();
  	  }
  	  function d3_geo_streamPolygon(coordinates, listener) {
  	    var i = -1, n = coordinates.length;
  	    listener.polygonStart();
  	    while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1);
  	    listener.polygonEnd();
  	  }
  	  d3.geo.area = function(object) {
  	    d3_geo_areaSum = 0;
  	    d3.geo.stream(object, d3_geo_area);
  	    return d3_geo_areaSum;
  	  };
  	  var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder();
  	  var d3_geo_area = {
  	    sphere: function() {
  	      d3_geo_areaSum += 4 * π;
  	    },
  	    point: d3_noop,
  	    lineStart: d3_noop,
  	    lineEnd: d3_noop,
  	    polygonStart: function() {
  	      d3_geo_areaRingSum.reset();
  	      d3_geo_area.lineStart = d3_geo_areaRingStart;
  	    },
  	    polygonEnd: function() {
  	      var area = 2 * d3_geo_areaRingSum;
  	      d3_geo_areaSum += area < 0 ? 4 * π + area : area;
  	      d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop;
  	    }
  	  };
  	  function d3_geo_areaRingStart() {
  	    var λ00, φ00, λ0, cosφ0, sinφ0;
  	    d3_geo_area.point = function(λ, φ) {
  	      d3_geo_area.point = nextPoint;
  	      λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4), 
  	      sinφ0 = Math.sin(φ);
  	    };
  	    function nextPoint(λ, φ) {
  	      λ *= d3_radians;
  	      φ = φ * d3_radians / 2 + π / 4;
  	      var dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(adλ), v = k * sdλ * Math.sin(adλ);
  	      d3_geo_areaRingSum.add(Math.atan2(v, u));
  	      λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ;
  	    }
  	    d3_geo_area.lineEnd = function() {
  	      nextPoint(λ00, φ00);
  	    };
  	  }
  	  function d3_geo_cartesian(spherical) {
  	    var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ);
  	    return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ];
  	  }
  	  function d3_geo_cartesianDot(a, b) {
  	    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
  	  }
  	  function d3_geo_cartesianCross(a, b) {
  	    return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ];
  	  }
  	  function d3_geo_cartesianAdd(a, b) {
  	    a[0] += b[0];
  	    a[1] += b[1];
  	    a[2] += b[2];
  	  }
  	  function d3_geo_cartesianScale(vector, k) {
  	    return [ vector[0] * k, vector[1] * k, vector[2] * k ];
  	  }
  	  function d3_geo_cartesianNormalize(d) {
  	    var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
  	    d[0] /= l;
  	    d[1] /= l;
  	    d[2] /= l;
  	  }
  	  function d3_geo_spherical(cartesian) {
  	    return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ];
  	  }
  	  function d3_geo_sphericalEqual(a, b) {
  	    return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε;
  	  }
  	  d3.geo.bounds = function() {
  	    var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range;
  	    var bound = {
  	      point: point,
  	      lineStart: lineStart,
  	      lineEnd: lineEnd,
  	      polygonStart: function() {
  	        bound.point = ringPoint;
  	        bound.lineStart = ringStart;
  	        bound.lineEnd = ringEnd;
  	        dλSum = 0;
  	        d3_geo_area.polygonStart();
  	      },
  	      polygonEnd: function() {
  	        d3_geo_area.polygonEnd();
  	        bound.point = point;
  	        bound.lineStart = lineStart;
  	        bound.lineEnd = lineEnd;
  	        if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90;
  	        range[0] = λ0, range[1] = λ1;
  	      }
  	    };
  	    function point(λ, φ) {
  	      ranges.push(range = [ λ0 = λ, λ1 = λ ]);
  	      if (φ < φ0) φ0 = φ;
  	      if (φ > φ1) φ1 = φ;
  	    }
  	    function linePoint(λ, φ) {
  	      var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]);
  	      if (p0) {
  	        var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal);
  	        d3_geo_cartesianNormalize(inflection);
  	        inflection = d3_geo_spherical(inflection);
  	        var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180;
  	        if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) {
  	          var φi = inflection[1] * d3_degrees;
  	          if (φi > φ1) φ1 = φi;
  	        } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) {
  	          var φi = -inflection[1] * d3_degrees;
  	          if (φi < φ0) φ0 = φi;
  	        } else {
  	          if (φ < φ0) φ0 = φ;
  	          if (φ > φ1) φ1 = φ;
  	        }
  	        if (antimeridian) {
  	          if (λ < λ_) {
  	            if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;
  	          } else {
  	            if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;
  	          }
  	        } else {
  	          if (λ1 >= λ0) {
  	            if (λ < λ0) λ0 = λ;
  	            if (λ > λ1) λ1 = λ;
  	          } else {
  	            if (λ > λ_) {
  	              if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;
  	            } else {
  	              if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;
  	            }
  	          }
  	        }
  	      } else {
  	        point(λ, φ);
  	      }
  	      p0 = p, λ_ = λ;
  	    }
  	    function lineStart() {
  	      bound.point = linePoint;
  	    }
  	    function lineEnd() {
  	      range[0] = λ0, range[1] = λ1;
  	      bound.point = point;
  	      p0 = null;
  	    }
  	    function ringPoint(λ, φ) {
  	      if (p0) {
  	        var dλ = λ - λ_;
  	        dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ;
  	      } else λ__ = λ, φ__ = φ;
  	      d3_geo_area.point(λ, φ);
  	      linePoint(λ, φ);
  	    }
  	    function ringStart() {
  	      d3_geo_area.lineStart();
  	    }
  	    function ringEnd() {
  	      ringPoint(λ__, φ__);
  	      d3_geo_area.lineEnd();
  	      if (abs(dλSum) > ε) λ0 = -(λ1 = 180);
  	      range[0] = λ0, range[1] = λ1;
  	      p0 = null;
  	    }
  	    function angle(λ0, λ1) {
  	      return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1;
  	    }
  	    function compareRanges(a, b) {
  	      return a[0] - b[0];
  	    }
  	    function withinRange(x, range) {
  	      return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x;
  	    }
  	    return function(feature) {
  	      φ1 = λ1 = -(λ0 = φ0 = Infinity);
  	      ranges = [];
  	      d3.geo.stream(feature, bound);
  	      var n = ranges.length;
  	      if (n) {
  	        ranges.sort(compareRanges);
  	        for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) {
  	          b = ranges[i];
  	          if (withinRange(b[0], a) || withinRange(b[1], a)) {
  	            if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1];
  	            if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0];
  	          } else {
  	            merged.push(a = b);
  	          }
  	        }
  	        var best = -Infinity, dλ;
  	        for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) {
  	          b = merged[i];
  	          if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1];
  	        }
  	      }
  	      ranges = range = null;
  	      return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ];
  	    };
  	  }();
  	  d3.geo.centroid = function(object) {
  	    d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;
  	    d3.geo.stream(object, d3_geo_centroid);
  	    var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z;
  	    if (m < ε2) {
  	      x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1;
  	      if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0;
  	      m = x * x + y * y + z * z;
  	      if (m < ε2) return [ NaN, NaN ];
  	    }
  	    return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ];
  	  };
  	  var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2;
  	  var d3_geo_centroid = {
  	    sphere: d3_noop,
  	    point: d3_geo_centroidPoint,
  	    lineStart: d3_geo_centroidLineStart,
  	    lineEnd: d3_geo_centroidLineEnd,
  	    polygonStart: function() {
  	      d3_geo_centroid.lineStart = d3_geo_centroidRingStart;
  	    },
  	    polygonEnd: function() {
  	      d3_geo_centroid.lineStart = d3_geo_centroidLineStart;
  	    }
  	  };
  	  function d3_geo_centroidPoint(λ, φ) {
  	    λ *= d3_radians;
  	    var cosφ = Math.cos(φ *= d3_radians);
  	    d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ));
  	  }
  	  function d3_geo_centroidPointXYZ(x, y, z) {
  	    ++d3_geo_centroidW0;
  	    d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0;
  	    d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0;
  	    d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0;
  	  }
  	  function d3_geo_centroidLineStart() {
  	    var x0, y0, z0;
  	    d3_geo_centroid.point = function(λ, φ) {
  	      λ *= d3_radians;
  	      var cosφ = Math.cos(φ *= d3_radians);
  	      x0 = cosφ * Math.cos(λ);
  	      y0 = cosφ * Math.sin(λ);
  	      z0 = Math.sin(φ);
  	      d3_geo_centroid.point = nextPoint;
  	      d3_geo_centroidPointXYZ(x0, y0, z0);
  	    };
  	    function nextPoint(λ, φ) {
  	      λ *= d3_radians;
  	      var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z);
  	      d3_geo_centroidW1 += w;
  	      d3_geo_centroidX1 += w * (x0 + (x0 = x));
  	      d3_geo_centroidY1 += w * (y0 + (y0 = y));
  	      d3_geo_centroidZ1 += w * (z0 + (z0 = z));
  	      d3_geo_centroidPointXYZ(x0, y0, z0);
  	    }
  	  }
  	  function d3_geo_centroidLineEnd() {
  	    d3_geo_centroid.point = d3_geo_centroidPoint;
  	  }
  	  function d3_geo_centroidRingStart() {
  	    var λ00, φ00, x0, y0, z0;
  	    d3_geo_centroid.point = function(λ, φ) {
  	      λ00 = λ, φ00 = φ;
  	      d3_geo_centroid.point = nextPoint;
  	      λ *= d3_radians;
  	      var cosφ = Math.cos(φ *= d3_radians);
  	      x0 = cosφ * Math.cos(λ);
  	      y0 = cosφ * Math.sin(λ);
  	      z0 = Math.sin(φ);
  	      d3_geo_centroidPointXYZ(x0, y0, z0);
  	    };
  	    d3_geo_centroid.lineEnd = function() {
  	      nextPoint(λ00, φ00);
  	      d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd;
  	      d3_geo_centroid.point = d3_geo_centroidPoint;
  	    };
  	    function nextPoint(λ, φ) {
  	      λ *= d3_radians;
  	      var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u);
  	      d3_geo_centroidX2 += v * cx;
  	      d3_geo_centroidY2 += v * cy;
  	      d3_geo_centroidZ2 += v * cz;
  	      d3_geo_centroidW1 += w;
  	      d3_geo_centroidX1 += w * (x0 + (x0 = x));
  	      d3_geo_centroidY1 += w * (y0 + (y0 = y));
  	      d3_geo_centroidZ1 += w * (z0 + (z0 = z));
  	      d3_geo_centroidPointXYZ(x0, y0, z0);
  	    }
  	  }
  	  function d3_geo_compose(a, b) {
  	    function compose(x, y) {
  	      return x = a(x, y), b(x[0], x[1]);
  	    }
  	    if (a.invert && b.invert) compose.invert = function(x, y) {
  	      return x = b.invert(x, y), x && a.invert(x[0], x[1]);
  	    };
  	    return compose;
  	  }
  	  function d3_true() {
  	    return true;
  	  }
  	  function d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener) {
  	    var subject = [], clip = [];
  	    segments.forEach(function(segment) {
  	      if ((n = segment.length - 1) <= 0) return;
  	      var n, p0 = segment[0], p1 = segment[n];
  	      if (d3_geo_sphericalEqual(p0, p1)) {
  	        listener.lineStart();
  	        for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]);
  	        listener.lineEnd();
  	        return;
  	      }
  	      var a = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false);
  	      a.o = b;
  	      subject.push(a);
  	      clip.push(b);
  	      a = new d3_geo_clipPolygonIntersection(p1, segment, null, false);
  	      b = new d3_geo_clipPolygonIntersection(p1, null, a, true);
  	      a.o = b;
  	      subject.push(a);
  	      clip.push(b);
  	    });
  	    clip.sort(compare);
  	    d3_geo_clipPolygonLinkCircular(subject);
  	    d3_geo_clipPolygonLinkCircular(clip);
  	    if (!subject.length) return;
  	    for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) {
  	      clip[i].e = entry = !entry;
  	    }
  	    var start = subject[0], points, point;
  	    while (1) {
  	      var current = start, isSubject = true;
  	      while (current.v) if ((current = current.n) === start) return;
  	      points = current.z;
  	      listener.lineStart();
  	      do {
  	        current.v = current.o.v = true;
  	        if (current.e) {
  	          if (isSubject) {
  	            for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]);
  	          } else {
  	            interpolate(current.x, current.n.x, 1, listener);
  	          }
  	          current = current.n;
  	        } else {
  	          if (isSubject) {
  	            points = current.p.z;
  	            for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]);
  	          } else {
  	            interpolate(current.x, current.p.x, -1, listener);
  	          }
  	          current = current.p;
  	        }
  	        current = current.o;
  	        points = current.z;
  	        isSubject = !isSubject;
  	      } while (!current.v);
  	      listener.lineEnd();
  	    }
  	  }
  	  function d3_geo_clipPolygonLinkCircular(array) {
  	    if (!(n = array.length)) return;
  	    var n, i = 0, a = array[0], b;
  	    while (++i < n) {
  	      a.n = b = array[i];
  	      b.p = a;
  	      a = b;
  	    }
  	    a.n = b = array[0];
  	    b.p = a;
  	  }
  	  function d3_geo_clipPolygonIntersection(point, points, other, entry) {
  	    this.x = point;
  	    this.z = points;
  	    this.o = other;
  	    this.e = entry;
  	    this.v = false;
  	    this.n = this.p = null;
  	  }
  	  function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) {
  	    return function(rotate, listener) {
  	      var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]);
  	      var clip = {
  	        point: point,
  	        lineStart: lineStart,
  	        lineEnd: lineEnd,
  	        polygonStart: function() {
  	          clip.point = pointRing;
  	          clip.lineStart = ringStart;
  	          clip.lineEnd = ringEnd;
  	          segments = [];
  	          polygon = [];
  	        },
  	        polygonEnd: function() {
  	          clip.point = point;
  	          clip.lineStart = lineStart;
  	          clip.lineEnd = lineEnd;
  	          segments = d3.merge(segments);
  	          var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon);
  	          if (segments.length) {
  	            if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
  	            d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener);
  	          } else if (clipStartInside) {
  	            if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
  	            listener.lineStart();
  	            interpolate(null, null, 1, listener);
  	            listener.lineEnd();
  	          }
  	          if (polygonStarted) listener.polygonEnd(), polygonStarted = false;
  	          segments = polygon = null;
  	        },
  	        sphere: function() {
  	          listener.polygonStart();
  	          listener.lineStart();
  	          interpolate(null, null, 1, listener);
  	          listener.lineEnd();
  	          listener.polygonEnd();
  	        }
  	      };
  	      function point(λ, φ) {
  	        var point = rotate(λ, φ);
  	        if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ);
  	      }
  	      function pointLine(λ, φ) {
  	        var point = rotate(λ, φ);
  	        line.point(point[0], point[1]);
  	      }
  	      function lineStart() {
  	        clip.point = pointLine;
  	        line.lineStart();
  	      }
  	      function lineEnd() {
  	        clip.point = point;
  	        line.lineEnd();
  	      }
  	      var segments;
  	      var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygonStarted = false, polygon, ring;
  	      function pointRing(λ, φ) {
  	        ring.push([ λ, φ ]);
  	        var point = rotate(λ, φ);
  	        ringListener.point(point[0], point[1]);
  	      }
  	      function ringStart() {
  	        ringListener.lineStart();
  	        ring = [];
  	      }
  	      function ringEnd() {
  	        pointRing(ring[0][0], ring[0][1]);
  	        ringListener.lineEnd();
  	        var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length;
  	        ring.pop();
  	        polygon.push(ring);
  	        ring = null;
  	        if (!n) return;
  	        if (clean & 1) {
  	          segment = ringSegments[0];
  	          var n = segment.length - 1, i = -1, point;
  	          if (n > 0) {
  	            if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
  	            listener.lineStart();
  	            while (++i < n) listener.point((point = segment[i])[0], point[1]);
  	            listener.lineEnd();
  	          }
  	          return;
  	        }
  	        if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));
  	        segments.push(ringSegments.filter(d3_geo_clipSegmentLength1));
  	      }
  	      return clip;
  	    };
  	  }
  	  function d3_geo_clipSegmentLength1(segment) {
  	    return segment.length > 1;
  	  }
  	  function d3_geo_clipBufferListener() {
  	    var lines = [], line;
  	    return {
  	      lineStart: function() {
  	        lines.push(line = []);
  	      },
  	      point: function(λ, φ) {
  	        line.push([ λ, φ ]);
  	      },
  	      lineEnd: d3_noop,
  	      buffer: function() {
  	        var buffer = lines;
  	        lines = [];
  	        line = null;
  	        return buffer;
  	      },
  	      rejoin: function() {
  	        if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));
  	      }
  	    };
  	  }
  	  function d3_geo_clipSort(a, b) {
  	    return ((a = a.x)[0] < 0 ? a[1] - halfπ - ε : halfπ - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfπ - ε : halfπ - b[1]);
  	  }
  	  var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]);
  	  function d3_geo_clipAntimeridianLine(listener) {
  	    var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean;
  	    return {
  	      lineStart: function() {
  	        listener.lineStart();
  	        clean = 1;
  	      },
  	      point: function(λ1, φ1) {
  	        var sλ1 = λ1 > 0 ? π : -π, dλ = abs(λ1 - λ0);
  	        if (abs(dλ - π) < ε) {
  	          listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ);
  	          listener.point(sλ0, φ0);
  	          listener.lineEnd();
  	          listener.lineStart();
  	          listener.point(sλ1, φ0);
  	          listener.point(λ1, φ0);
  	          clean = 0;
  	        } else if (sλ0 !== sλ1 && dλ >= π) {
  	          if (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε;
  	          if (abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε;
  	          φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1);
  	          listener.point(sλ0, φ0);
  	          listener.lineEnd();
  	          listener.lineStart();
  	          listener.point(sλ1, φ0);
  	          clean = 0;
  	        }
  	        listener.point(λ0 = λ1, φ0 = φ1);
  	        sλ0 = sλ1;
  	      },
  	      lineEnd: function() {
  	        listener.lineEnd();
  	        λ0 = φ0 = NaN;
  	      },
  	      clean: function() {
  	        return 2 - clean;
  	      }
  	    };
  	  }
  	  function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) {
  	    var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1);
  	    return abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2;
  	  }
  	  function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) {
  	    var φ;
  	    if (from == null) {
  	      φ = direction * halfπ;
  	      listener.point(-π, φ);
  	      listener.point(0, φ);
  	      listener.point(π, φ);
  	      listener.point(π, 0);
  	      listener.point(π, -φ);
  	      listener.point(0, -φ);
  	      listener.point(-π, -φ);
  	      listener.point(-π, 0);
  	      listener.point(-π, φ);
  	    } else if (abs(from[0] - to[0]) > ε) {
  	      var s = from[0] < to[0] ? π : -π;
  	      φ = direction * s / 2;
  	      listener.point(-s, φ);
  	      listener.point(0, φ);
  	      listener.point(s, φ);
  	    } else {
  	      listener.point(to[0], to[1]);
  	    }
  	  }
  	  function d3_geo_pointInPolygon(point, polygon) {
  	    var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0;
  	    d3_geo_areaRingSum.reset();
  	    for (var i = 0, n = polygon.length; i < n; ++i) {
  	      var ring = polygon[i], m = ring.length;
  	      if (!m) continue;
  	      var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1;
  	      while (true) {
  	        if (j === m) j = 0;
  	        point = ring[j];
  	        var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, antimeridian = adλ > π, k = sinφ0 * sinφ;
  	        d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ)));
  	        polarAngle += antimeridian ? dλ + sdλ * τ : dλ;
  	        if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) {
  	          var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point));
  	          d3_geo_cartesianNormalize(arc);
  	          var intersection = d3_geo_cartesianCross(meridianNormal, arc);
  	          d3_geo_cartesianNormalize(intersection);
  	          var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]);
  	          if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) {
  	            winding += antimeridian ^ dλ >= 0 ? 1 : -1;
  	          }
  	        }
  	        if (!j++) break;
  	        λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point;
  	      }
  	    }
  	    return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < -ε) ^ winding & 1;
  	  }
  	  function d3_geo_clipCircle(radius) {
  	    var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians);
  	    return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]);
  	    function visible(λ, φ) {
  	      return Math.cos(λ) * Math.cos(φ) > cr;
  	    }
  	    function clipLine(listener) {
  	      var point0, c0, v0, v00, clean;
  	      return {
  	        lineStart: function() {
  	          v00 = v0 = false;
  	          clean = 1;
  	        },
  	        point: function(λ, φ) {
  	          var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0;
  	          if (!point0 && (v00 = v0 = v)) listener.lineStart();
  	          if (v !== v0) {
  	            point2 = intersect(point0, point1);
  	            if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) {
  	              point1[0] += ε;
  	              point1[1] += ε;
  	              v = visible(point1[0], point1[1]);
  	            }
  	          }
  	          if (v !== v0) {
  	            clean = 0;
  	            if (v) {
  	              listener.lineStart();
  	              point2 = intersect(point1, point0);
  	              listener.point(point2[0], point2[1]);
  	            } else {
  	              point2 = intersect(point0, point1);
  	              listener.point(point2[0], point2[1]);
  	              listener.lineEnd();
  	            }
  	            point0 = point2;
  	          } else if (notHemisphere && point0 && smallRadius ^ v) {
  	            var t;
  	            if (!(c & c0) && (t = intersect(point1, point0, true))) {
  	              clean = 0;
  	              if (smallRadius) {
  	                listener.lineStart();
  	                listener.point(t[0][0], t[0][1]);
  	                listener.point(t[1][0], t[1][1]);
  	                listener.lineEnd();
  	              } else {
  	                listener.point(t[1][0], t[1][1]);
  	                listener.lineEnd();
  	                listener.lineStart();
  	                listener.point(t[0][0], t[0][1]);
  	              }
  	            }
  	          }
  	          if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) {
  	            listener.point(point1[0], point1[1]);
  	          }
  	          point0 = point1, v0 = v, c0 = c;
  	        },
  	        lineEnd: function() {
  	          if (v0) listener.lineEnd();
  	          point0 = null;
  	        },
  	        clean: function() {
  	          return clean | (v00 && v0) << 1;
  	        }
  	      };
  	    }
  	    function intersect(a, b, two) {
  	      var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b);
  	      var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2;
  	      if (!determinant) return !two && a;
  	      var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2);
  	      d3_geo_cartesianAdd(A, B);
  	      var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1);
  	      if (t2 < 0) return;
  	      var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu);
  	      d3_geo_cartesianAdd(q, A);
  	      q = d3_geo_spherical(q);
  	      if (!two) return q;
  	      var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z;
  	      if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z;
  	      var δλ = λ1 - λ0, polar = abs(δλ - π) < ε, meridian = polar || δλ < ε;
  	      if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z;
  	      if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) {
  	        var q1 = d3_geo_cartesianScale(u, (-w + t) / uu);
  	        d3_geo_cartesianAdd(q1, A);
  	        return [ q, d3_geo_spherical(q1) ];
  	      }
  	    }
  	    function code(λ, φ) {
  	      var r = smallRadius ? radius : π - radius, code = 0;
  	      if (λ < -r) code |= 1; else if (λ > r) code |= 2;
  	      if (φ < -r) code |= 4; else if (φ > r) code |= 8;
  	      return code;
  	    }
  	  }
  	  function d3_geom_clipLine(x0, y0, x1, y1) {
  	    return function(line) {
  	      var a = line.a, b = line.b, ax = a.x, ay = a.y, bx = b.x, by = b.y, t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r;
  	      r = x0 - ax;
  	      if (!dx && r > 0) return;
  	      r /= dx;
  	      if (dx < 0) {
  	        if (r < t0) return;
  	        if (r < t1) t1 = r;
  	      } else if (dx > 0) {
  	        if (r > t1) return;
  	        if (r > t0) t0 = r;
  	      }
  	      r = x1 - ax;
  	      if (!dx && r < 0) return;
  	      r /= dx;
  	      if (dx < 0) {
  	        if (r > t1) return;
  	        if (r > t0) t0 = r;
  	      } else if (dx > 0) {
  	        if (r < t0) return;
  	        if (r < t1) t1 = r;
  	      }
  	      r = y0 - ay;
  	      if (!dy && r > 0) return;
  	      r /= dy;
  	      if (dy < 0) {
  	        if (r < t0) return;
  	        if (r < t1) t1 = r;
  	      } else if (dy > 0) {
  	        if (r > t1) return;
  	        if (r > t0) t0 = r;
  	      }
  	      r = y1 - ay;
  	      if (!dy && r < 0) return;
  	      r /= dy;
  	      if (dy < 0) {
  	        if (r > t1) return;
  	        if (r > t0) t0 = r;
  	      } else if (dy > 0) {
  	        if (r < t0) return;
  	        if (r < t1) t1 = r;
  	      }
  	      if (t0 > 0) line.a = {
  	        x: ax + t0 * dx,
  	        y: ay + t0 * dy
  	      };
  	      if (t1 < 1) line.b = {
  	        x: ax + t1 * dx,
  	        y: ay + t1 * dy
  	      };
  	      return line;
  	    };
  	  }
  	  var d3_geo_clipExtentMAX = 1e9;
  	  d3.geo.clipExtent = function() {
  	    var x0, y0, x1, y1, stream, clip, clipExtent = {
  	      stream: function(output) {
  	        if (stream) stream.valid = false;
  	        stream = clip(output);
  	        stream.valid = true;
  	        return stream;
  	      },
  	      extent: function(_) {
  	        if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
  	        clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]);
  	        if (stream) stream.valid = false, stream = null;
  	        return clipExtent;
  	      }
  	    };
  	    return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]);
  	  };
  	  function d3_geo_clipExtent(x0, y0, x1, y1) {
  	    return function(listener) {
  	      var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring;
  	      var clip = {
  	        point: point,
  	        lineStart: lineStart,
  	        lineEnd: lineEnd,
  	        polygonStart: function() {
  	          listener = bufferListener;
  	          segments = [];
  	          polygon = [];
  	          clean = true;
  	        },
  	        polygonEnd: function() {
  	          listener = listener_;
  	          segments = d3.merge(segments);
  	          var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length;
  	          if (inside || visible) {
  	            listener.polygonStart();
  	            if (inside) {
  	              listener.lineStart();
  	              interpolate(null, null, 1, listener);
  	              listener.lineEnd();
  	            }
  	            if (visible) {
  	              d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener);
  	            }
  	            listener.polygonEnd();
  	          }
  	          segments = polygon = ring = null;
  	        }
  	      };
  	      function insidePolygon(p) {
  	        var wn = 0, n = polygon.length, y = p[1];
  	        for (var i = 0; i < n; ++i) {
  	          for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) {
  	            b = v[j];
  	            if (a[1] <= y) {
  	              if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn;
  	            } else {
  	              if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn;
  	            }
  	            a = b;
  	          }
  	        }
  	        return wn !== 0;
  	      }
  	      function interpolate(from, to, direction, listener) {
  	        var a = 0, a1 = 0;
  	        if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) {
  	          do {
  	            listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0);
  	          } while ((a = (a + direction + 4) % 4) !== a1);
  	        } else {
  	          listener.point(to[0], to[1]);
  	        }
  	      }
  	      function pointVisible(x, y) {
  	        return x0 <= x && x <= x1 && y0 <= y && y <= y1;
  	      }
  	      function point(x, y) {
  	        if (pointVisible(x, y)) listener.point(x, y);
  	      }
  	      var x__, y__, v__, x_, y_, v_, first, clean;
  	      function lineStart() {
  	        clip.point = linePoint;
  	        if (polygon) polygon.push(ring = []);
  	        first = true;
  	        v_ = false;
  	        x_ = y_ = NaN;
  	      }
  	      function lineEnd() {
  	        if (segments) {
  	          linePoint(x__, y__);
  	          if (v__ && v_) bufferListener.rejoin();
  	          segments.push(bufferListener.buffer());
  	        }
  	        clip.point = point;
  	        if (v_) listener.lineEnd();
  	      }
  	      function linePoint(x, y) {
  	        x = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x));
  	        y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y));
  	        var v = pointVisible(x, y);
  	        if (polygon) ring.push([ x, y ]);
  	        if (first) {
  	          x__ = x, y__ = y, v__ = v;
  	          first = false;
  	          if (v) {
  	            listener.lineStart();
  	            listener.point(x, y);
  	          }
  	        } else {
  	          if (v && v_) listener.point(x, y); else {
  	            var l = {
  	              a: {
  	                x: x_,
  	                y: y_
  	              },
  	              b: {
  	                x: x,
  	                y: y
  	              }
  	            };
  	            if (clipLine(l)) {
  	              if (!v_) {
  	                listener.lineStart();
  	                listener.point(l.a.x, l.a.y);
  	              }
  	              listener.point(l.b.x, l.b.y);
  	              if (!v) listener.lineEnd();
  	              clean = false;
  	            } else if (v) {
  	              listener.lineStart();
  	              listener.point(x, y);
  	              clean = false;
  	            }
  	          }
  	        }
  	        x_ = x, y_ = y, v_ = v;
  	      }
  	      return clip;
  	    };
  	    function corner(p, direction) {
  	      return abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2;
  	    }
  	    function compare(a, b) {
  	      return comparePoints(a.x, b.x);
  	    }
  	    function comparePoints(a, b) {
  	      var ca = corner(a, 1), cb = corner(b, 1);
  	      return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0];
  	    }
  	  }
  	  function d3_geo_conic(projectAt) {
  	    var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1);
  	    p.parallels = function(_) {
  	      if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ];
  	      return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180);
  	    };
  	    return p;
  	  }
  	  function d3_geo_conicEqualArea(φ0, φ1) {
  	    var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n;
  	    function forward(λ, φ) {
  	      var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n;
  	      return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ];
  	    }
  	    forward.invert = function(x, y) {
  	      var ρ0_y = ρ0 - y;
  	      return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ];
  	    };
  	    return forward;
  	  }
  	  (d3.geo.conicEqualArea = function() {
  	    return d3_geo_conic(d3_geo_conicEqualArea);
  	  }).raw = d3_geo_conicEqualArea;
  	  d3.geo.albers = function() {
  	    return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070);
  	  };
  	  d3.geo.albersUsa = function() {
  	    var lower48 = d3.geo.albers();
  	    var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]);
  	    var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]);
  	    var point, pointStream = {
  	      point: function(x, y) {
  	        point = [ x, y ];
  	      }
  	    }, lower48Point, alaskaPoint, hawaiiPoint;
  	    function albersUsa(coordinates) {
  	      var x = coordinates[0], y = coordinates[1];
  	      point = null;
  	      (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y);
  	      return point;
  	    }
  	    albersUsa.invert = function(coordinates) {
  	      var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k;
  	      return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates);
  	    };
  	    albersUsa.stream = function(stream) {
  	      var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream);
  	      return {
  	        point: function(x, y) {
  	          lower48Stream.point(x, y);
  	          alaskaStream.point(x, y);
  	          hawaiiStream.point(x, y);
  	        },
  	        sphere: function() {
  	          lower48Stream.sphere();
  	          alaskaStream.sphere();
  	          hawaiiStream.sphere();
  	        },
  	        lineStart: function() {
  	          lower48Stream.lineStart();
  	          alaskaStream.lineStart();
  	          hawaiiStream.lineStart();
  	        },
  	        lineEnd: function() {
  	          lower48Stream.lineEnd();
  	          alaskaStream.lineEnd();
  	          hawaiiStream.lineEnd();
  	        },
  	        polygonStart: function() {
  	          lower48Stream.polygonStart();
  	          alaskaStream.polygonStart();
  	          hawaiiStream.polygonStart();
  	        },
  	        polygonEnd: function() {
  	          lower48Stream.polygonEnd();
  	          alaskaStream.polygonEnd();
  	          hawaiiStream.polygonEnd();
  	        }
  	      };
  	    };
  	    albersUsa.precision = function(_) {
  	      if (!arguments.length) return lower48.precision();
  	      lower48.precision(_);
  	      alaska.precision(_);
  	      hawaii.precision(_);
  	      return albersUsa;
  	    };
  	    albersUsa.scale = function(_) {
  	      if (!arguments.length) return lower48.scale();
  	      lower48.scale(_);
  	      alaska.scale(_ * .35);
  	      hawaii.scale(_);
  	      return albersUsa.translate(lower48.translate());
  	    };
  	    albersUsa.translate = function(_) {
  	      if (!arguments.length) return lower48.translate();
  	      var k = lower48.scale(), x = +_[0], y = +_[1];
  	      lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point;
  	      alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;
  	      hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;
  	      return albersUsa;
  	    };
  	    return albersUsa.scale(1070);
  	  };
  	  var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = {
  	    point: d3_noop,
  	    lineStart: d3_noop,
  	    lineEnd: d3_noop,
  	    polygonStart: function() {
  	      d3_geo_pathAreaPolygon = 0;
  	      d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart;
  	    },
  	    polygonEnd: function() {
  	      d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop;
  	      d3_geo_pathAreaSum += abs(d3_geo_pathAreaPolygon / 2);
  	    }
  	  };
  	  function d3_geo_pathAreaRingStart() {
  	    var x00, y00, x0, y0;
  	    d3_geo_pathArea.point = function(x, y) {
  	      d3_geo_pathArea.point = nextPoint;
  	      x00 = x0 = x, y00 = y0 = y;
  	    };
  	    function nextPoint(x, y) {
  	      d3_geo_pathAreaPolygon += y0 * x - x0 * y;
  	      x0 = x, y0 = y;
  	    }
  	    d3_geo_pathArea.lineEnd = function() {
  	      nextPoint(x00, y00);
  	    };
  	  }
  	  var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1;
  	  var d3_geo_pathBounds = {
  	    point: d3_geo_pathBoundsPoint,
  	    lineStart: d3_noop,
  	    lineEnd: d3_noop,
  	    polygonStart: d3_noop,
  	    polygonEnd: d3_noop
  	  };
  	  function d3_geo_pathBoundsPoint(x, y) {
  	    if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x;
  	    if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x;
  	    if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y;
  	    if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y;
  	  }
  	  function d3_geo_pathBuffer() {
  	    var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = [];
  	    var stream = {
  	      point: point,
  	      lineStart: function() {
  	        stream.point = pointLineStart;
  	      },
  	      lineEnd: lineEnd,
  	      polygonStart: function() {
  	        stream.lineEnd = lineEndPolygon;
  	      },
  	      polygonEnd: function() {
  	        stream.lineEnd = lineEnd;
  	        stream.point = point;
  	      },
  	      pointRadius: function(_) {
  	        pointCircle = d3_geo_pathBufferCircle(_);
  	        return stream;
  	      },
  	      result: function() {
  	        if (buffer.length) {
  	          var result = buffer.join("");
  	          buffer = [];
  	          return result;
  	        }
  	      }
  	    };
  	    function point(x, y) {
  	      buffer.push("M", x, ",", y, pointCircle);
  	    }
  	    function pointLineStart(x, y) {
  	      buffer.push("M", x, ",", y);
  	      stream.point = pointLine;
  	    }
  	    function pointLine(x, y) {
  	      buffer.push("L", x, ",", y);
  	    }
  	    function lineEnd() {
  	      stream.point = point;
  	    }
  	    function lineEndPolygon() {
  	      buffer.push("Z");
  	    }
  	    return stream;
  	  }
  	  function d3_geo_pathBufferCircle(radius) {
  	    return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z";
  	  }
  	  var d3_geo_pathCentroid = {
  	    point: d3_geo_pathCentroidPoint,
  	    lineStart: d3_geo_pathCentroidLineStart,
  	    lineEnd: d3_geo_pathCentroidLineEnd,
  	    polygonStart: function() {
  	      d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart;
  	    },
  	    polygonEnd: function() {
  	      d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
  	      d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart;
  	      d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd;
  	    }
  	  };
  	  function d3_geo_pathCentroidPoint(x, y) {
  	    d3_geo_centroidX0 += x;
  	    d3_geo_centroidY0 += y;
  	    ++d3_geo_centroidZ0;
  	  }
  	  function d3_geo_pathCentroidLineStart() {
  	    var x0, y0;
  	    d3_geo_pathCentroid.point = function(x, y) {
  	      d3_geo_pathCentroid.point = nextPoint;
  	      d3_geo_pathCentroidPoint(x0 = x, y0 = y);
  	    };
  	    function nextPoint(x, y) {
  	      var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
  	      d3_geo_centroidX1 += z * (x0 + x) / 2;
  	      d3_geo_centroidY1 += z * (y0 + y) / 2;
  	      d3_geo_centroidZ1 += z;
  	      d3_geo_pathCentroidPoint(x0 = x, y0 = y);
  	    }
  	  }
  	  function d3_geo_pathCentroidLineEnd() {
  	    d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
  	  }
  	  function d3_geo_pathCentroidRingStart() {
  	    var x00, y00, x0, y0;
  	    d3_geo_pathCentroid.point = function(x, y) {
  	      d3_geo_pathCentroid.point = nextPoint;
  	      d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y);
  	    };
  	    function nextPoint(x, y) {
  	      var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
  	      d3_geo_centroidX1 += z * (x0 + x) / 2;
  	      d3_geo_centroidY1 += z * (y0 + y) / 2;
  	      d3_geo_centroidZ1 += z;
  	      z = y0 * x - x0 * y;
  	      d3_geo_centroidX2 += z * (x0 + x);
  	      d3_geo_centroidY2 += z * (y0 + y);
  	      d3_geo_centroidZ2 += z * 3;
  	      d3_geo_pathCentroidPoint(x0 = x, y0 = y);
  	    }
  	    d3_geo_pathCentroid.lineEnd = function() {
  	      nextPoint(x00, y00);
  	    };
  	  }
  	  function d3_geo_pathContext(context) {
  	    var pointRadius = 4.5;
  	    var stream = {
  	      point: point,
  	      lineStart: function() {
  	        stream.point = pointLineStart;
  	      },
  	      lineEnd: lineEnd,
  	      polygonStart: function() {
  	        stream.lineEnd = lineEndPolygon;
  	      },
  	      polygonEnd: function() {
  	        stream.lineEnd = lineEnd;
  	        stream.point = point;
  	      },
  	      pointRadius: function(_) {
  	        pointRadius = _;
  	        return stream;
  	      },
  	      result: d3_noop
  	    };
  	    function point(x, y) {
  	      context.moveTo(x + pointRadius, y);
  	      context.arc(x, y, pointRadius, 0, τ);
  	    }
  	    function pointLineStart(x, y) {
  	      context.moveTo(x, y);
  	      stream.point = pointLine;
  	    }
  	    function pointLine(x, y) {
  	      context.lineTo(x, y);
  	    }
  	    function lineEnd() {
  	      stream.point = point;
  	    }
  	    function lineEndPolygon() {
  	      context.closePath();
  	    }
  	    return stream;
  	  }
  	  function d3_geo_resample(project) {
  	    var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16;
  	    function resample(stream) {
  	      return (maxDepth ? resampleRecursive : resampleNone)(stream);
  	    }
  	    function resampleNone(stream) {
  	      return d3_geo_transformPoint(stream, function(x, y) {
  	        x = project(x, y);
  	        stream.point(x[0], x[1]);
  	      });
  	    }
  	    function resampleRecursive(stream) {
  	      var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0;
  	      var resample = {
  	        point: point,
  	        lineStart: lineStart,
  	        lineEnd: lineEnd,
  	        polygonStart: function() {
  	          stream.polygonStart();
  	          resample.lineStart = ringStart;
  	        },
  	        polygonEnd: function() {
  	          stream.polygonEnd();
  	          resample.lineStart = lineStart;
  	        }
  	      };
  	      function point(x, y) {
  	        x = project(x, y);
  	        stream.point(x[0], x[1]);
  	      }
  	      function lineStart() {
  	        x0 = NaN;
  	        resample.point = linePoint;
  	        stream.lineStart();
  	      }
  	      function linePoint(λ, φ) {
  	        var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ);
  	        resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream);
  	        stream.point(x0, y0);
  	      }
  	      function lineEnd() {
  	        resample.point = point;
  	        stream.lineEnd();
  	      }
  	      function ringStart() {
  	        lineStart();
  	        resample.point = ringPoint;
  	        resample.lineEnd = ringEnd;
  	      }
  	      function ringPoint(λ, φ) {
  	        linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;
  	        resample.point = linePoint;
  	      }
  	      function ringEnd() {
  	        resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream);
  	        resample.lineEnd = lineEnd;
  	        lineEnd();
  	      }
  	      return resample;
  	    }
  	    function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) {
  	      var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy;
  	      if (d2 > 4 * δ2 && depth--) {
  	        var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = abs(abs(c) - 1) < ε || abs(λ0 - λ1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2;
  	        if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) {
  	          resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream);
  	          stream.point(x2, y2);
  	          resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream);
  	        }
  	      }
  	    }
  	    resample.precision = function(_) {
  	      if (!arguments.length) return Math.sqrt(δ2);
  	      maxDepth = (δ2 = _ * _) > 0 && 16;
  	      return resample;
  	    };
  	    return resample;
  	  }
  	  d3.geo.path = function() {
  	    var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream;
  	    function path(object) {
  	      if (object) {
  	        if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments));
  	        if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream);
  	        d3.geo.stream(object, cacheStream);
  	      }
  	      return contextStream.result();
  	    }
  	    path.area = function(object) {
  	      d3_geo_pathAreaSum = 0;
  	      d3.geo.stream(object, projectStream(d3_geo_pathArea));
  	      return d3_geo_pathAreaSum;
  	    };
  	    path.centroid = function(object) {
  	      d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;
  	      d3.geo.stream(object, projectStream(d3_geo_pathCentroid));
  	      return d3_geo_centroidZ2 ? [ d3_geo_centroidX2 / d3_geo_centroidZ2, d3_geo_centroidY2 / d3_geo_centroidZ2 ] : d3_geo_centroidZ1 ? [ d3_geo_centroidX1 / d3_geo_centroidZ1, d3_geo_centroidY1 / d3_geo_centroidZ1 ] : d3_geo_centroidZ0 ? [ d3_geo_centroidX0 / d3_geo_centroidZ0, d3_geo_centroidY0 / d3_geo_centroidZ0 ] : [ NaN, NaN ];
  	    };
  	    path.bounds = function(object) {
  	      d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity);
  	      d3.geo.stream(object, projectStream(d3_geo_pathBounds));
  	      return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ];
  	    };
  	    path.projection = function(_) {
  	      if (!arguments.length) return projection;
  	      projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity;
  	      return reset();
  	    };
  	    path.context = function(_) {
  	      if (!arguments.length) return context;
  	      contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_);
  	      if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius);
  	      return reset();
  	    };
  	    path.pointRadius = function(_) {
  	      if (!arguments.length) return pointRadius;
  	      pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_);
  	      return path;
  	    };
  	    function reset() {
  	      cacheStream = null;
  	      return path;
  	    }
  	    return path.projection(d3.geo.albersUsa()).context(null);
  	  };
  	  function d3_geo_pathProjectStream(project) {
  	    var resample = d3_geo_resample(function(x, y) {
  	      return project([ x * d3_degrees, y * d3_degrees ]);
  	    });
  	    return function(stream) {
  	      return d3_geo_projectionRadians(resample(stream));
  	    };
  	  }
  	  d3.geo.transform = function(methods) {
  	    return {
  	      stream: function(stream) {
  	        var transform = new d3_geo_transform(stream);
  	        for (var k in methods) transform[k] = methods[k];
  	        return transform;
  	      }
  	    };
  	  };
  	  function d3_geo_transform(stream) {
  	    this.stream = stream;
  	  }
  	  d3_geo_transform.prototype = {
  	    point: function(x, y) {
  	      this.stream.point(x, y);
  	    },
  	    sphere: function() {
  	      this.stream.sphere();
  	    },
  	    lineStart: function() {
  	      this.stream.lineStart();
  	    },
  	    lineEnd: function() {
  	      this.stream.lineEnd();
  	    },
  	    polygonStart: function() {
  	      this.stream.polygonStart();
  	    },
  	    polygonEnd: function() {
  	      this.stream.polygonEnd();
  	    }
  	  };
  	  function d3_geo_transformPoint(stream, point) {
  	    return {
  	      point: point,
  	      sphere: function() {
  	        stream.sphere();
  	      },
  	      lineStart: function() {
  	        stream.lineStart();
  	      },
  	      lineEnd: function() {
  	        stream.lineEnd();
  	      },
  	      polygonStart: function() {
  	        stream.polygonStart();
  	      },
  	      polygonEnd: function() {
  	        stream.polygonEnd();
  	      }
  	    };
  	  }
  	  d3.geo.projection = d3_geo_projection;
  	  d3.geo.projectionMutator = d3_geo_projectionMutator;
  	  function d3_geo_projection(project) {
  	    return d3_geo_projectionMutator(function() {
  	      return project;
  	    })();
  	  }
  	  function d3_geo_projectionMutator(projectAt) {
  	    var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) {
  	      x = project(x, y);
  	      return [ x[0] * k + δx, δy - x[1] * k ];
  	    }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null, stream;
  	    function projection(point) {
  	      point = projectRotate(point[0] * d3_radians, point[1] * d3_radians);
  	      return [ point[0] * k + δx, δy - point[1] * k ];
  	    }
  	    function invert(point) {
  	      point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k);
  	      return point && [ point[0] * d3_degrees, point[1] * d3_degrees ];
  	    }
  	    projection.stream = function(output) {
  	      if (stream) stream.valid = false;
  	      stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output))));
  	      stream.valid = true;
  	      return stream;
  	    };
  	    projection.clipAngle = function(_) {
  	      if (!arguments.length) return clipAngle;
  	      preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians);
  	      return invalidate();
  	    };
  	    projection.clipExtent = function(_) {
  	      if (!arguments.length) return clipExtent;
  	      clipExtent = _;
  	      postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity;
  	      return invalidate();
  	    };
  	    projection.scale = function(_) {
  	      if (!arguments.length) return k;
  	      k = +_;
  	      return reset();
  	    };
  	    projection.translate = function(_) {
  	      if (!arguments.length) return [ x, y ];
  	      x = +_[0];
  	      y = +_[1];
  	      return reset();
  	    };
  	    projection.center = function(_) {
  	      if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ];
  	      λ = _[0] % 360 * d3_radians;
  	      φ = _[1] % 360 * d3_radians;
  	      return reset();
  	    };
  	    projection.rotate = function(_) {
  	      if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ];
  	      δλ = _[0] % 360 * d3_radians;
  	      δφ = _[1] % 360 * d3_radians;
  	      δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0;
  	      return reset();
  	    };
  	    d3.rebind(projection, projectResample, "precision");
  	    function reset() {
  	      projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project);
  	      var center = project(λ, φ);
  	      δx = x - center[0] * k;
  	      δy = y + center[1] * k;
  	      return invalidate();
  	    }
  	    function invalidate() {
  	      if (stream) stream.valid = false, stream = null;
  	      return projection;
  	    }
  	    return function() {
  	      project = projectAt.apply(this, arguments);
  	      projection.invert = project.invert && invert;
  	      return reset();
  	    };
  	  }
  	  function d3_geo_projectionRadians(stream) {
  	    return d3_geo_transformPoint(stream, function(x, y) {
  	      stream.point(x * d3_radians, y * d3_radians);
  	    });
  	  }
  	  function d3_geo_equirectangular(λ, φ) {
  	    return [ λ, φ ];
  	  }
  	  (d3.geo.equirectangular = function() {
  	    return d3_geo_projection(d3_geo_equirectangular);
  	  }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular;
  	  d3.geo.rotation = function(rotate) {
  	    rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0);
  	    function forward(coordinates) {
  	      coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
  	      return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
  	    }
  	    forward.invert = function(coordinates) {
  	      coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
  	      return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
  	    };
  	    return forward;
  	  };
  	  function d3_geo_identityRotation(λ, φ) {
  	    return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];
  	  }
  	  d3_geo_identityRotation.invert = d3_geo_equirectangular;
  	  function d3_geo_rotation(δλ, δφ, δγ) {
  	    return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_identityRotation;
  	  }
  	  function d3_geo_forwardRotationλ(δλ) {
  	    return function(λ, φ) {
  	      return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];
  	    };
  	  }
  	  function d3_geo_rotationλ(δλ) {
  	    var rotation = d3_geo_forwardRotationλ(δλ);
  	    rotation.invert = d3_geo_forwardRotationλ(-δλ);
  	    return rotation;
  	  }
  	  function d3_geo_rotationφγ(δφ, δγ) {
  	    var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ);
  	    function rotation(λ, φ) {
  	      var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ;
  	      return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), d3_asin(k * cosδγ + y * sinδγ) ];
  	    }
  	    rotation.invert = function(λ, φ) {
  	      var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ;
  	      return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), d3_asin(k * cosδφ - x * sinδφ) ];
  	    };
  	    return rotation;
  	  }
  	  d3.geo.circle = function() {
  	    var origin = [ 0, 0 ], angle, precision = 6, interpolate;
  	    function circle() {
  	      var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = [];
  	      interpolate(null, null, 1, {
  	        point: function(x, y) {
  	          ring.push(x = rotate(x, y));
  	          x[0] *= d3_degrees, x[1] *= d3_degrees;
  	        }
  	      });
  	      return {
  	        type: "Polygon",
  	        coordinates: [ ring ]
  	      };
  	    }
  	    circle.origin = function(x) {
  	      if (!arguments.length) return origin;
  	      origin = x;
  	      return circle;
  	    };
  	    circle.angle = function(x) {
  	      if (!arguments.length) return angle;
  	      interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians);
  	      return circle;
  	    };
  	    circle.precision = function(_) {
  	      if (!arguments.length) return precision;
  	      interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians);
  	      return circle;
  	    };
  	    return circle.angle(90);
  	  };
  	  function d3_geo_circleInterpolate(radius, precision) {
  	    var cr = Math.cos(radius), sr = Math.sin(radius);
  	    return function(from, to, direction, listener) {
  	      var step = direction * precision;
  	      if (from != null) {
  	        from = d3_geo_circleAngle(cr, from);
  	        to = d3_geo_circleAngle(cr, to);
  	        if (direction > 0 ? from < to : from > to) from += direction * τ;
  	      } else {
  	        from = radius + direction * τ;
  	        to = radius - .5 * step;
  	      }
  	      for (var point, t = from; direction > 0 ? t > to : t < to; t -= step) {
  	        listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]);
  	      }
  	    };
  	  }
  	  function d3_geo_circleAngle(cr, point) {
  	    var a = d3_geo_cartesian(point);
  	    a[0] -= cr;
  	    d3_geo_cartesianNormalize(a);
  	    var angle = d3_acos(-a[1]);
  	    return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI);
  	  }
  	  d3.geo.distance = function(a, b) {
  	    var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t;
  	    return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ);
  	  };
  	  d3.geo.graticule = function() {
  	    var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5;
  	    function graticule() {
  	      return {
  	        type: "MultiLineString",
  	        coordinates: lines()
  	      };
  	    }
  	    function lines() {
  	      return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) {
  	        return abs(x % DX) > ε;
  	      }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) {
  	        return abs(y % DY) > ε;
  	      }).map(y));
  	    }
  	    graticule.lines = function() {
  	      return lines().map(function(coordinates) {
  	        return {
  	          type: "LineString",
  	          coordinates: coordinates
  	        };
  	      });
  	    };
  	    graticule.outline = function() {
  	      return {
  	        type: "Polygon",
  	        coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ]
  	      };
  	    };
  	    graticule.extent = function(_) {
  	      if (!arguments.length) return graticule.minorExtent();
  	      return graticule.majorExtent(_).minorExtent(_);
  	    };
  	    graticule.majorExtent = function(_) {
  	      if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ];
  	      X0 = +_[0][0], X1 = +_[1][0];
  	      Y0 = +_[0][1], Y1 = +_[1][1];
  	      if (X0 > X1) _ = X0, X0 = X1, X1 = _;
  	      if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _;
  	      return graticule.precision(precision);
  	    };
  	    graticule.minorExtent = function(_) {
  	      if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
  	      x0 = +_[0][0], x1 = +_[1][0];
  	      y0 = +_[0][1], y1 = +_[1][1];
  	      if (x0 > x1) _ = x0, x0 = x1, x1 = _;
  	      if (y0 > y1) _ = y0, y0 = y1, y1 = _;
  	      return graticule.precision(precision);
  	    };
  	    graticule.step = function(_) {
  	      if (!arguments.length) return graticule.minorStep();
  	      return graticule.majorStep(_).minorStep(_);
  	    };
  	    graticule.majorStep = function(_) {
  	      if (!arguments.length) return [ DX, DY ];
  	      DX = +_[0], DY = +_[1];
  	      return graticule;
  	    };
  	    graticule.minorStep = function(_) {
  	      if (!arguments.length) return [ dx, dy ];
  	      dx = +_[0], dy = +_[1];
  	      return graticule;
  	    };
  	    graticule.precision = function(_) {
  	      if (!arguments.length) return precision;
  	      precision = +_;
  	      x = d3_geo_graticuleX(y0, y1, 90);
  	      y = d3_geo_graticuleY(x0, x1, precision);
  	      X = d3_geo_graticuleX(Y0, Y1, 90);
  	      Y = d3_geo_graticuleY(X0, X1, precision);
  	      return graticule;
  	    };
  	    return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]);
  	  };
  	  function d3_geo_graticuleX(y0, y1, dy) {
  	    var y = d3.range(y0, y1 - ε, dy).concat(y1);
  	    return function(x) {
  	      return y.map(function(y) {
  	        return [ x, y ];
  	      });
  	    };
  	  }
  	  function d3_geo_graticuleY(x0, x1, dx) {
  	    var x = d3.range(x0, x1 - ε, dx).concat(x1);
  	    return function(y) {
  	      return x.map(function(x) {
  	        return [ x, y ];
  	      });
  	    };
  	  }
  	  function d3_source(d) {
  	    return d.source;
  	  }
  	  function d3_target(d) {
  	    return d.target;
  	  }
  	  d3.geo.greatArc = function() {
  	    var source = d3_source, source_, target = d3_target, target_;
  	    function greatArc() {
  	      return {
  	        type: "LineString",
  	        coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ]
  	      };
  	    }
  	    greatArc.distance = function() {
  	      return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments));
  	    };
  	    greatArc.source = function(_) {
  	      if (!arguments.length) return source;
  	      source = _, source_ = typeof _ === "function" ? null : _;
  	      return greatArc;
  	    };
  	    greatArc.target = function(_) {
  	      if (!arguments.length) return target;
  	      target = _, target_ = typeof _ === "function" ? null : _;
  	      return greatArc;
  	    };
  	    greatArc.precision = function() {
  	      return arguments.length ? greatArc : 0;
  	    };
  	    return greatArc;
  	  };
  	  d3.geo.interpolate = function(source, target) {
  	    return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians);
  	  };
  	  function d3_geo_interpolate(x0, y0, x1, y1) {
  	    var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d);
  	    var interpolate = d ? function(t) {
  	      var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1;
  	      return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ];
  	    } : function() {
  	      return [ x0 * d3_degrees, y0 * d3_degrees ];
  	    };
  	    interpolate.distance = d;
  	    return interpolate;
  	  }
  	  d3.geo.length = function(object) {
  	    d3_geo_lengthSum = 0;
  	    d3.geo.stream(object, d3_geo_length);
  	    return d3_geo_lengthSum;
  	  };
  	  var d3_geo_lengthSum;
  	  var d3_geo_length = {
  	    sphere: d3_noop,
  	    point: d3_noop,
  	    lineStart: d3_geo_lengthLineStart,
  	    lineEnd: d3_noop,
  	    polygonStart: d3_noop,
  	    polygonEnd: d3_noop
  	  };
  	  function d3_geo_lengthLineStart() {
  	    var λ0, sinφ0, cosφ0;
  	    d3_geo_length.point = function(λ, φ) {
  	      λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ);
  	      d3_geo_length.point = nextPoint;
  	    };
  	    d3_geo_length.lineEnd = function() {
  	      d3_geo_length.point = d3_geo_length.lineEnd = d3_noop;
  	    };
  	    function nextPoint(λ, φ) {
  	      var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t);
  	      d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ);
  	      λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ;
  	    }
  	  }
  	  function d3_geo_azimuthal(scale, angle) {
  	    function azimuthal(λ, φ) {
  	      var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ);
  	      return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ];
  	    }
  	    azimuthal.invert = function(x, y) {
  	      var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c);
  	      return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ];
  	    };
  	    return azimuthal;
  	  }
  	  var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) {
  	    return Math.sqrt(2 / (1 + cosλcosφ));
  	  }, function(ρ) {
  	    return 2 * Math.asin(ρ / 2);
  	  });
  	  (d3.geo.azimuthalEqualArea = function() {
  	    return d3_geo_projection(d3_geo_azimuthalEqualArea);
  	  }).raw = d3_geo_azimuthalEqualArea;
  	  var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) {
  	    var c = Math.acos(cosλcosφ);
  	    return c && c / Math.sin(c);
  	  }, d3_identity);
  	  (d3.geo.azimuthalEquidistant = function() {
  	    return d3_geo_projection(d3_geo_azimuthalEquidistant);
  	  }).raw = d3_geo_azimuthalEquidistant;
  	  function d3_geo_conicConformal(φ0, φ1) {
  	    var cosφ0 = Math.cos(φ0), t = function(φ) {
  	      return Math.tan(π / 4 + φ / 2);
  	    }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n;
  	    if (!n) return d3_geo_mercator;
  	    function forward(λ, φ) {
  	      if (F > 0) {
  	        if (φ < -halfπ + ε) φ = -halfπ + ε;
  	      } else {
  	        if (φ > halfπ - ε) φ = halfπ - ε;
  	      }
  	      var ρ = F / Math.pow(t(φ), n);
  	      return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ];
  	    }
  	    forward.invert = function(x, y) {
  	      var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y);
  	      return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - halfπ ];
  	    };
  	    return forward;
  	  }
  	  (d3.geo.conicConformal = function() {
  	    return d3_geo_conic(d3_geo_conicConformal);
  	  }).raw = d3_geo_conicConformal;
  	  function d3_geo_conicEquidistant(φ0, φ1) {
  	    var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0;
  	    if (abs(n) < ε) return d3_geo_equirectangular;
  	    function forward(λ, φ) {
  	      var ρ = G - φ;
  	      return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ];
  	    }
  	    forward.invert = function(x, y) {
  	      var ρ0_y = G - y;
  	      return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ];
  	    };
  	    return forward;
  	  }
  	  (d3.geo.conicEquidistant = function() {
  	    return d3_geo_conic(d3_geo_conicEquidistant);
  	  }).raw = d3_geo_conicEquidistant;
  	  var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) {
  	    return 1 / cosλcosφ;
  	  }, Math.atan);
  	  (d3.geo.gnomonic = function() {
  	    return d3_geo_projection(d3_geo_gnomonic);
  	  }).raw = d3_geo_gnomonic;
  	  function d3_geo_mercator(λ, φ) {
  	    return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ];
  	  }
  	  d3_geo_mercator.invert = function(x, y) {
  	    return [ x, 2 * Math.atan(Math.exp(y)) - halfπ ];
  	  };
  	  function d3_geo_mercatorProjection(project) {
  	    var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto;
  	    m.scale = function() {
  	      var v = scale.apply(m, arguments);
  	      return v === m ? clipAuto ? m.clipExtent(null) : m : v;
  	    };
  	    m.translate = function() {
  	      var v = translate.apply(m, arguments);
  	      return v === m ? clipAuto ? m.clipExtent(null) : m : v;
  	    };
  	    m.clipExtent = function(_) {
  	      var v = clipExtent.apply(m, arguments);
  	      if (v === m) {
  	        if (clipAuto = _ == null) {
  	          var k = π * scale(), t = translate();
  	          clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]);
  	        }
  	      } else if (clipAuto) {
  	        v = null;
  	      }
  	      return v;
  	    };
  	    return m.clipExtent(null);
  	  }
  	  (d3.geo.mercator = function() {
  	    return d3_geo_mercatorProjection(d3_geo_mercator);
  	  }).raw = d3_geo_mercator;
  	  var d3_geo_orthographic = d3_geo_azimuthal(function() {
  	    return 1;
  	  }, Math.asin);
  	  (d3.geo.orthographic = function() {
  	    return d3_geo_projection(d3_geo_orthographic);
  	  }).raw = d3_geo_orthographic;
  	  var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) {
  	    return 1 / (1 + cosλcosφ);
  	  }, function(ρ) {
  	    return 2 * Math.atan(ρ);
  	  });
  	  (d3.geo.stereographic = function() {
  	    return d3_geo_projection(d3_geo_stereographic);
  	  }).raw = d3_geo_stereographic;
  	  function d3_geo_transverseMercator(λ, φ) {
  	    return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ];
  	  }
  	  d3_geo_transverseMercator.invert = function(x, y) {
  	    return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ];
  	  };
  	  (d3.geo.transverseMercator = function() {
  	    var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate;
  	    projection.center = function(_) {
  	      return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ _[1], -_[0] ]);
  	    };
  	    projection.rotate = function(_) {
  	      return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(), 
  	      [ _[0], _[1], _[2] - 90 ]);
  	    };
  	    return rotate([ 0, 0, 90 ]);
  	  }).raw = d3_geo_transverseMercator;
  	  d3.geom = {};
  	  function d3_geom_pointX(d) {
  	    return d[0];
  	  }
  	  function d3_geom_pointY(d) {
  	    return d[1];
  	  }
  	  d3.geom.hull = function(vertices) {
  	    var x = d3_geom_pointX, y = d3_geom_pointY;
  	    if (arguments.length) return hull(vertices);
  	    function hull(data) {
  	      if (data.length < 3) return [];
  	      var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = [];
  	      for (i = 0; i < n; i++) {
  	        points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]);
  	      }
  	      points.sort(d3_geom_hullOrder);
  	      for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]);
  	      var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints);
  	      var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = [];
  	      for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]);
  	      for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]);
  	      return polygon;
  	    }
  	    hull.x = function(_) {
  	      return arguments.length ? (x = _, hull) : x;
  	    };
  	    hull.y = function(_) {
  	      return arguments.length ? (y = _, hull) : y;
  	    };
  	    return hull;
  	  };
  	  function d3_geom_hullUpper(points) {
  	    var n = points.length, hull = [ 0, 1 ], hs = 2;
  	    for (var i = 2; i < n; i++) {
  	      while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs;
  	      hull[hs++] = i;
  	    }
  	    return hull.slice(0, hs);
  	  }
  	  function d3_geom_hullOrder(a, b) {
  	    return a[0] - b[0] || a[1] - b[1];
  	  }
  	  d3.geom.polygon = function(coordinates) {
  	    d3_subclass(coordinates, d3_geom_polygonPrototype);
  	    return coordinates;
  	  };
  	  var d3_geom_polygonPrototype = d3.geom.polygon.prototype = [];
  	  d3_geom_polygonPrototype.area = function() {
  	    var i = -1, n = this.length, a, b = this[n - 1], area = 0;
  	    while (++i < n) {
  	      a = b;
  	      b = this[i];
  	      area += a[1] * b[0] - a[0] * b[1];
  	    }
  	    return area * .5;
  	  };
  	  d3_geom_polygonPrototype.centroid = function(k) {
  	    var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c;
  	    if (!arguments.length) k = -1 / (6 * this.area());
  	    while (++i < n) {
  	      a = b;
  	      b = this[i];
  	      c = a[0] * b[1] - b[0] * a[1];
  	      x += (a[0] + b[0]) * c;
  	      y += (a[1] + b[1]) * c;
  	    }
  	    return [ x * k, y * k ];
  	  };
  	  d3_geom_polygonPrototype.clip = function(subject) {
  	    var input, closed = d3_geom_polygonClosed(subject), i = -1, n = this.length - d3_geom_polygonClosed(this), j, m, a = this[n - 1], b, c, d;
  	    while (++i < n) {
  	      input = subject.slice();
  	      subject.length = 0;
  	      b = this[i];
  	      c = input[(m = input.length - closed) - 1];
  	      j = -1;
  	      while (++j < m) {
  	        d = input[j];
  	        if (d3_geom_polygonInside(d, a, b)) {
  	          if (!d3_geom_polygonInside(c, a, b)) {
  	            subject.push(d3_geom_polygonIntersect(c, d, a, b));
  	          }
  	          subject.push(d);
  	        } else if (d3_geom_polygonInside(c, a, b)) {
  	          subject.push(d3_geom_polygonIntersect(c, d, a, b));
  	        }
  	        c = d;
  	      }
  	      if (closed) subject.push(subject[0]);
  	      a = b;
  	    }
  	    return subject;
  	  };
  	  function d3_geom_polygonInside(p, a, b) {
  	    return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);
  	  }
  	  function d3_geom_polygonIntersect(c, d, a, b) {
  	    var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21);
  	    return [ x1 + ua * x21, y1 + ua * y21 ];
  	  }
  	  function d3_geom_polygonClosed(coordinates) {
  	    var a = coordinates[0], b = coordinates[coordinates.length - 1];
  	    return !(a[0] - b[0] || a[1] - b[1]);
  	  }
  	  var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = [];
  	  function d3_geom_voronoiBeach() {
  	    d3_geom_voronoiRedBlackNode(this);
  	    this.edge = this.site = this.circle = null;
  	  }
  	  function d3_geom_voronoiCreateBeach(site) {
  	    var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach();
  	    beach.site = site;
  	    return beach;
  	  }
  	  function d3_geom_voronoiDetachBeach(beach) {
  	    d3_geom_voronoiDetachCircle(beach);
  	    d3_geom_voronoiBeaches.remove(beach);
  	    d3_geom_voronoiBeachPool.push(beach);
  	    d3_geom_voronoiRedBlackNode(beach);
  	  }
  	  function d3_geom_voronoiRemoveBeach(beach) {
  	    var circle = beach.circle, x = circle.x, y = circle.cy, vertex = {
  	      x: x,
  	      y: y
  	    }, previous = beach.P, next = beach.N, disappearing = [ beach ];
  	    d3_geom_voronoiDetachBeach(beach);
  	    var lArc = previous;
  	    while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) {
  	      previous = lArc.P;
  	      disappearing.unshift(lArc);
  	      d3_geom_voronoiDetachBeach(lArc);
  	      lArc = previous;
  	    }
  	    disappearing.unshift(lArc);
  	    d3_geom_voronoiDetachCircle(lArc);
  	    var rArc = next;
  	    while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) {
  	      next = rArc.N;
  	      disappearing.push(rArc);
  	      d3_geom_voronoiDetachBeach(rArc);
  	      rArc = next;
  	    }
  	    disappearing.push(rArc);
  	    d3_geom_voronoiDetachCircle(rArc);
  	    var nArcs = disappearing.length, iArc;
  	    for (iArc = 1; iArc < nArcs; ++iArc) {
  	      rArc = disappearing[iArc];
  	      lArc = disappearing[iArc - 1];
  	      d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex);
  	    }
  	    lArc = disappearing[0];
  	    rArc = disappearing[nArcs - 1];
  	    rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex);
  	    d3_geom_voronoiAttachCircle(lArc);
  	    d3_geom_voronoiAttachCircle(rArc);
  	  }
  	  function d3_geom_voronoiAddBeach(site) {
  	    var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._;
  	    while (node) {
  	      dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x;
  	      if (dxl > ε) node = node.L; else {
  	        dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix);
  	        if (dxr > ε) {
  	          if (!node.R) {
  	            lArc = node;
  	            break;
  	          }
  	          node = node.R;
  	        } else {
  	          if (dxl > -ε) {
  	            lArc = node.P;
  	            rArc = node;
  	          } else if (dxr > -ε) {
  	            lArc = node;
  	            rArc = node.N;
  	          } else {
  	            lArc = rArc = node;
  	          }
  	          break;
  	        }
  	      }
  	    }
  	    var newArc = d3_geom_voronoiCreateBeach(site);
  	    d3_geom_voronoiBeaches.insert(lArc, newArc);
  	    if (!lArc && !rArc) return;
  	    if (lArc === rArc) {
  	      d3_geom_voronoiDetachCircle(lArc);
  	      rArc = d3_geom_voronoiCreateBeach(lArc.site);
  	      d3_geom_voronoiBeaches.insert(newArc, rArc);
  	      newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);
  	      d3_geom_voronoiAttachCircle(lArc);
  	      d3_geom_voronoiAttachCircle(rArc);
  	      return;
  	    }
  	    if (!rArc) {
  	      newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);
  	      return;
  	    }
  	    d3_geom_voronoiDetachCircle(lArc);
  	    d3_geom_voronoiDetachCircle(rArc);
  	    var lSite = lArc.site, ax = lSite.x, ay = lSite.y, bx = site.x - ax, by = site.y - ay, rSite = rArc.site, cx = rSite.x - ax, cy = rSite.y - ay, d = 2 * (bx * cy - by * cx), hb = bx * bx + by * by, hc = cx * cx + cy * cy, vertex = {
  	      x: (cy * hb - by * hc) / d + ax,
  	      y: (bx * hc - cx * hb) / d + ay
  	    };
  	    d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex);
  	    newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex);
  	    rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex);
  	    d3_geom_voronoiAttachCircle(lArc);
  	    d3_geom_voronoiAttachCircle(rArc);
  	  }
  	  function d3_geom_voronoiLeftBreakPoint(arc, directrix) {
  	    var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix;
  	    if (!pby2) return rfocx;
  	    var lArc = arc.P;
  	    if (!lArc) return -Infinity;
  	    site = lArc.site;
  	    var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix;
  	    if (!plby2) return lfocx;
  	    var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2;
  	    if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx;
  	    return (rfocx + lfocx) / 2;
  	  }
  	  function d3_geom_voronoiRightBreakPoint(arc, directrix) {
  	    var rArc = arc.N;
  	    if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix);
  	    var site = arc.site;
  	    return site.y === directrix ? site.x : Infinity;
  	  }
  	  function d3_geom_voronoiCell(site) {
  	    this.site = site;
  	    this.edges = [];
  	  }
  	  d3_geom_voronoiCell.prototype.prepare = function() {
  	    var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge;
  	    while (iHalfEdge--) {
  	      edge = halfEdges[iHalfEdge].edge;
  	      if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1);
  	    }
  	    halfEdges.sort(d3_geom_voronoiHalfEdgeOrder);
  	    return halfEdges.length;
  	  };
  	  function d3_geom_voronoiCloseCells(extent) {
  	    var x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], x2, y2, x3, y3, cells = d3_geom_voronoiCells, iCell = cells.length, cell, iHalfEdge, halfEdges, nHalfEdges, start, end;
  	    while (iCell--) {
  	      cell = cells[iCell];
  	      if (!cell || !cell.prepare()) continue;
  	      halfEdges = cell.edges;
  	      nHalfEdges = halfEdges.length;
  	      iHalfEdge = 0;
  	      while (iHalfEdge < nHalfEdges) {
  	        end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y;
  	        start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y;
  	        if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) {
  	          halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? {
  	            x: x0,
  	            y: abs(x2 - x0) < ε ? y2 : y1
  	          } : abs(y3 - y1) < ε && x1 - x3 > ε ? {
  	            x: abs(y2 - y1) < ε ? x2 : x1,
  	            y: y1
  	          } : abs(x3 - x1) < ε && y3 - y0 > ε ? {
  	            x: x1,
  	            y: abs(x2 - x1) < ε ? y2 : y0
  	          } : abs(y3 - y0) < ε && x3 - x0 > ε ? {
  	            x: abs(y2 - y0) < ε ? x2 : x0,
  	            y: y0
  	          } : null), cell.site, null));
  	          ++nHalfEdges;
  	        }
  	      }
  	    }
  	  }
  	  function d3_geom_voronoiHalfEdgeOrder(a, b) {
  	    return b.angle - a.angle;
  	  }
  	  function d3_geom_voronoiCircle() {
  	    d3_geom_voronoiRedBlackNode(this);
  	    this.x = this.y = this.arc = this.site = this.cy = null;
  	  }
  	  function d3_geom_voronoiAttachCircle(arc) {
  	    var lArc = arc.P, rArc = arc.N;
  	    if (!lArc || !rArc) return;
  	    var lSite = lArc.site, cSite = arc.site, rSite = rArc.site;
  	    if (lSite === rSite) return;
  	    var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by;
  	    var d = 2 * (ax * cy - ay * cx);
  	    if (d >= -ε2) return;
  	    var ha = ax * ax + ay * ay, hc = cx * cx + cy * cy, x = (cy * ha - ay * hc) / d, y = (ax * hc - cx * ha) / d, cy = y + by;
  	    var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle();
  	    circle.arc = arc;
  	    circle.site = cSite;
  	    circle.x = x + bx;
  	    circle.y = cy + Math.sqrt(x * x + y * y);
  	    circle.cy = cy;
  	    arc.circle = circle;
  	    var before = null, node = d3_geom_voronoiCircles._;
  	    while (node) {
  	      if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) {
  	        if (node.L) node = node.L; else {
  	          before = node.P;
  	          break;
  	        }
  	      } else {
  	        if (node.R) node = node.R; else {
  	          before = node;
  	          break;
  	        }
  	      }
  	    }
  	    d3_geom_voronoiCircles.insert(before, circle);
  	    if (!before) d3_geom_voronoiFirstCircle = circle;
  	  }
  	  function d3_geom_voronoiDetachCircle(arc) {
  	    var circle = arc.circle;
  	    if (circle) {
  	      if (!circle.P) d3_geom_voronoiFirstCircle = circle.N;
  	      d3_geom_voronoiCircles.remove(circle);
  	      d3_geom_voronoiCirclePool.push(circle);
  	      d3_geom_voronoiRedBlackNode(circle);
  	      arc.circle = null;
  	    }
  	  }
  	  function d3_geom_voronoiClipEdges(extent) {
  	    var edges = d3_geom_voronoiEdges, clip = d3_geom_clipLine(extent[0][0], extent[0][1], extent[1][0], extent[1][1]), i = edges.length, e;
  	    while (i--) {
  	      e = edges[i];
  	      if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) {
  	        e.a = e.b = null;
  	        edges.splice(i, 1);
  	      }
  	    }
  	  }
  	  function d3_geom_voronoiConnectEdge(edge, extent) {
  	    var vb = edge.b;
  	    if (vb) return true;
  	    var va = edge.a, x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], lSite = edge.l, rSite = edge.r, lx = lSite.x, ly = lSite.y, rx = rSite.x, ry = rSite.y, fx = (lx + rx) / 2, fy = (ly + ry) / 2, fm, fb;
  	    if (ry === ly) {
  	      if (fx < x0 || fx >= x1) return;
  	      if (lx > rx) {
  	        if (!va) va = {
  	          x: fx,
  	          y: y0
  	        }; else if (va.y >= y1) return;
  	        vb = {
  	          x: fx,
  	          y: y1
  	        };
  	      } else {
  	        if (!va) va = {
  	          x: fx,
  	          y: y1
  	        }; else if (va.y < y0) return;
  	        vb = {
  	          x: fx,
  	          y: y0
  	        };
  	      }
  	    } else {
  	      fm = (lx - rx) / (ry - ly);
  	      fb = fy - fm * fx;
  	      if (fm < -1 || fm > 1) {
  	        if (lx > rx) {
  	          if (!va) va = {
  	            x: (y0 - fb) / fm,
  	            y: y0
  	          }; else if (va.y >= y1) return;
  	          vb = {
  	            x: (y1 - fb) / fm,
  	            y: y1
  	          };
  	        } else {
  	          if (!va) va = {
  	            x: (y1 - fb) / fm,
  	            y: y1
  	          }; else if (va.y < y0) return;
  	          vb = {
  	            x: (y0 - fb) / fm,
  	            y: y0
  	          };
  	        }
  	      } else {
  	        if (ly < ry) {
  	          if (!va) va = {
  	            x: x0,
  	            y: fm * x0 + fb
  	          }; else if (va.x >= x1) return;
  	          vb = {
  	            x: x1,
  	            y: fm * x1 + fb
  	          };
  	        } else {
  	          if (!va) va = {
  	            x: x1,
  	            y: fm * x1 + fb
  	          }; else if (va.x < x0) return;
  	          vb = {
  	            x: x0,
  	            y: fm * x0 + fb
  	          };
  	        }
  	      }
  	    }
  	    edge.a = va;
  	    edge.b = vb;
  	    return true;
  	  }
  	  function d3_geom_voronoiEdge(lSite, rSite) {
  	    this.l = lSite;
  	    this.r = rSite;
  	    this.a = this.b = null;
  	  }
  	  function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) {
  	    var edge = new d3_geom_voronoiEdge(lSite, rSite);
  	    d3_geom_voronoiEdges.push(edge);
  	    if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va);
  	    if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb);
  	    d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite));
  	    d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite));
  	    return edge;
  	  }
  	  function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) {
  	    var edge = new d3_geom_voronoiEdge(lSite, null);
  	    edge.a = va;
  	    edge.b = vb;
  	    d3_geom_voronoiEdges.push(edge);
  	    return edge;
  	  }
  	  function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) {
  	    if (!edge.a && !edge.b) {
  	      edge.a = vertex;
  	      edge.l = lSite;
  	      edge.r = rSite;
  	    } else if (edge.l === rSite) {
  	      edge.b = vertex;
  	    } else {
  	      edge.a = vertex;
  	    }
  	  }
  	  function d3_geom_voronoiHalfEdge(edge, lSite, rSite) {
  	    var va = edge.a, vb = edge.b;
  	    this.edge = edge;
  	    this.site = lSite;
  	    this.angle = rSite ? Math.atan2(rSite.y - lSite.y, rSite.x - lSite.x) : edge.l === lSite ? Math.atan2(vb.x - va.x, va.y - vb.y) : Math.atan2(va.x - vb.x, vb.y - va.y);
  	  }
  	  d3_geom_voronoiHalfEdge.prototype = {
  	    start: function() {
  	      return this.edge.l === this.site ? this.edge.a : this.edge.b;
  	    },
  	    end: function() {
  	      return this.edge.l === this.site ? this.edge.b : this.edge.a;
  	    }
  	  };
  	  function d3_geom_voronoiRedBlackTree() {
  	    this._ = null;
  	  }
  	  function d3_geom_voronoiRedBlackNode(node) {
  	    node.U = node.C = node.L = node.R = node.P = node.N = null;
  	  }
  	  d3_geom_voronoiRedBlackTree.prototype = {
  	    insert: function(after, node) {
  	      var parent, grandpa, uncle;
  	      if (after) {
  	        node.P = after;
  	        node.N = after.N;
  	        if (after.N) after.N.P = node;
  	        after.N = node;
  	        if (after.R) {
  	          after = after.R;
  	          while (after.L) after = after.L;
  	          after.L = node;
  	        } else {
  	          after.R = node;
  	        }
  	        parent = after;
  	      } else if (this._) {
  	        after = d3_geom_voronoiRedBlackFirst(this._);
  	        node.P = null;
  	        node.N = after;
  	        after.P = after.L = node;
  	        parent = after;
  	      } else {
  	        node.P = node.N = null;
  	        this._ = node;
  	        parent = null;
  	      }
  	      node.L = node.R = null;
  	      node.U = parent;
  	      node.C = true;
  	      after = node;
  	      while (parent && parent.C) {
  	        grandpa = parent.U;
  	        if (parent === grandpa.L) {
  	          uncle = grandpa.R;
  	          if (uncle && uncle.C) {
  	            parent.C = uncle.C = false;
  	            grandpa.C = true;
  	            after = grandpa;
  	          } else {
  	            if (after === parent.R) {
  	              d3_geom_voronoiRedBlackRotateLeft(this, parent);
  	              after = parent;
  	              parent = after.U;
  	            }
  	            parent.C = false;
  	            grandpa.C = true;
  	            d3_geom_voronoiRedBlackRotateRight(this, grandpa);
  	          }
  	        } else {
  	          uncle = grandpa.L;
  	          if (uncle && uncle.C) {
  	            parent.C = uncle.C = false;
  	            grandpa.C = true;
  	            after = grandpa;
  	          } else {
  	            if (after === parent.L) {
  	              d3_geom_voronoiRedBlackRotateRight(this, parent);
  	              after = parent;
  	              parent = after.U;
  	            }
  	            parent.C = false;
  	            grandpa.C = true;
  	            d3_geom_voronoiRedBlackRotateLeft(this, grandpa);
  	          }
  	        }
  	        parent = after.U;
  	      }
  	      this._.C = false;
  	    },
  	    remove: function(node) {
  	      if (node.N) node.N.P = node.P;
  	      if (node.P) node.P.N = node.N;
  	      node.N = node.P = null;
  	      var parent = node.U, sibling, left = node.L, right = node.R, next, red;
  	      if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right);
  	      if (parent) {
  	        if (parent.L === node) parent.L = next; else parent.R = next;
  	      } else {
  	        this._ = next;
  	      }
  	      if (left && right) {
  	        red = next.C;
  	        next.C = node.C;
  	        next.L = left;
  	        left.U = next;
  	        if (next !== right) {
  	          parent = next.U;
  	          next.U = node.U;
  	          node = next.R;
  	          parent.L = node;
  	          next.R = right;
  	          right.U = next;
  	        } else {
  	          next.U = parent;
  	          parent = next;
  	          node = next.R;
  	        }
  	      } else {
  	        red = node.C;
  	        node = next;
  	      }
  	      if (node) node.U = parent;
  	      if (red) return;
  	      if (node && node.C) {
  	        node.C = false;
  	        return;
  	      }
  	      do {
  	        if (node === this._) break;
  	        if (node === parent.L) {
  	          sibling = parent.R;
  	          if (sibling.C) {
  	            sibling.C = false;
  	            parent.C = true;
  	            d3_geom_voronoiRedBlackRotateLeft(this, parent);
  	            sibling = parent.R;
  	          }
  	          if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {
  	            if (!sibling.R || !sibling.R.C) {
  	              sibling.L.C = false;
  	              sibling.C = true;
  	              d3_geom_voronoiRedBlackRotateRight(this, sibling);
  	              sibling = parent.R;
  	            }
  	            sibling.C = parent.C;
  	            parent.C = sibling.R.C = false;
  	            d3_geom_voronoiRedBlackRotateLeft(this, parent);
  	            node = this._;
  	            break;
  	          }
  	        } else {
  	          sibling = parent.L;
  	          if (sibling.C) {
  	            sibling.C = false;
  	            parent.C = true;
  	            d3_geom_voronoiRedBlackRotateRight(this, parent);
  	            sibling = parent.L;
  	          }
  	          if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {
  	            if (!sibling.L || !sibling.L.C) {
  	              sibling.R.C = false;
  	              sibling.C = true;
  	              d3_geom_voronoiRedBlackRotateLeft(this, sibling);
  	              sibling = parent.L;
  	            }
  	            sibling.C = parent.C;
  	            parent.C = sibling.L.C = false;
  	            d3_geom_voronoiRedBlackRotateRight(this, parent);
  	            node = this._;
  	            break;
  	          }
  	        }
  	        sibling.C = true;
  	        node = parent;
  	        parent = parent.U;
  	      } while (!node.C);
  	      if (node) node.C = false;
  	    }
  	  };
  	  function d3_geom_voronoiRedBlackRotateLeft(tree, node) {
  	    var p = node, q = node.R, parent = p.U;
  	    if (parent) {
  	      if (parent.L === p) parent.L = q; else parent.R = q;
  	    } else {
  	      tree._ = q;
  	    }
  	    q.U = parent;
  	    p.U = q;
  	    p.R = q.L;
  	    if (p.R) p.R.U = p;
  	    q.L = p;
  	  }
  	  function d3_geom_voronoiRedBlackRotateRight(tree, node) {
  	    var p = node, q = node.L, parent = p.U;
  	    if (parent) {
  	      if (parent.L === p) parent.L = q; else parent.R = q;
  	    } else {
  	      tree._ = q;
  	    }
  	    q.U = parent;
  	    p.U = q;
  	    p.L = q.R;
  	    if (p.L) p.L.U = p;
  	    q.R = p;
  	  }
  	  function d3_geom_voronoiRedBlackFirst(node) {
  	    while (node.L) node = node.L;
  	    return node;
  	  }
  	  function d3_geom_voronoi(sites, bbox) {
  	    var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle;
  	    d3_geom_voronoiEdges = [];
  	    d3_geom_voronoiCells = new Array(sites.length);
  	    d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree();
  	    d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree();
  	    while (true) {
  	      circle = d3_geom_voronoiFirstCircle;
  	      if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) {
  	        if (site.x !== x0 || site.y !== y0) {
  	          d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site);
  	          d3_geom_voronoiAddBeach(site);
  	          x0 = site.x, y0 = site.y;
  	        }
  	        site = sites.pop();
  	      } else if (circle) {
  	        d3_geom_voronoiRemoveBeach(circle.arc);
  	      } else {
  	        break;
  	      }
  	    }
  	    if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox);
  	    var diagram = {
  	      cells: d3_geom_voronoiCells,
  	      edges: d3_geom_voronoiEdges
  	    };
  	    d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null;
  	    return diagram;
  	  }
  	  function d3_geom_voronoiVertexOrder(a, b) {
  	    return b.y - a.y || b.x - a.x;
  	  }
  	  d3.geom.voronoi = function(points) {
  	    var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent;
  	    if (points) return voronoi(points);
  	    function voronoi(data) {
  	      var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1];
  	      d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) {
  	        var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) {
  	          var s = e.start();
  	          return [ s.x, s.y ];
  	        }) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : [];
  	        polygon.point = data[i];
  	      });
  	      return polygons;
  	    }
  	    function sites(data) {
  	      return data.map(function(d, i) {
  	        return {
  	          x: Math.round(fx(d, i) / ε) * ε,
  	          y: Math.round(fy(d, i) / ε) * ε,
  	          i: i
  	        };
  	      });
  	    }
  	    voronoi.links = function(data) {
  	      return d3_geom_voronoi(sites(data)).edges.filter(function(edge) {
  	        return edge.l && edge.r;
  	      }).map(function(edge) {
  	        return {
  	          source: data[edge.l.i],
  	          target: data[edge.r.i]
  	        };
  	      });
  	    };
  	    voronoi.triangles = function(data) {
  	      var triangles = [];
  	      d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) {
  	        var site = cell.site, edges = cell.edges.sort(d3_geom_voronoiHalfEdgeOrder), j = -1, m = edges.length, e0, s0, e1 = edges[m - 1].edge, s1 = e1.l === site ? e1.r : e1.l;
  	        while (++j < m) {
  	          e0 = e1;
  	          s0 = s1;
  	          e1 = edges[j].edge;
  	          s1 = e1.l === site ? e1.r : e1.l;
  	          if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) {
  	            triangles.push([ data[i], data[s0.i], data[s1.i] ]);
  	          }
  	        }
  	      });
  	      return triangles;
  	    };
  	    voronoi.x = function(_) {
  	      return arguments.length ? (fx = d3_functor(x = _), voronoi) : x;
  	    };
  	    voronoi.y = function(_) {
  	      return arguments.length ? (fy = d3_functor(y = _), voronoi) : y;
  	    };
  	    voronoi.clipExtent = function(_) {
  	      if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent;
  	      clipExtent = _ == null ? d3_geom_voronoiClipExtent : _;
  	      return voronoi;
  	    };
  	    voronoi.size = function(_) {
  	      if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1];
  	      return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]);
  	    };
  	    return voronoi;
  	  };
  	  var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ];
  	  function d3_geom_voronoiTriangleArea(a, b, c) {
  	    return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y);
  	  }
  	  d3.geom.delaunay = function(vertices) {
  	    return d3.geom.voronoi().triangles(vertices);
  	  };
  	  d3.geom.quadtree = function(points, x1, y1, x2, y2) {
  	    var x = d3_geom_pointX, y = d3_geom_pointY, compat;
  	    if (compat = arguments.length) {
  	      x = d3_geom_quadtreeCompatX;
  	      y = d3_geom_quadtreeCompatY;
  	      if (compat === 3) {
  	        y2 = y1;
  	        x2 = x1;
  	        y1 = x1 = 0;
  	      }
  	      return quadtree(points);
  	    }
  	    function quadtree(data) {
  	      var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_;
  	      if (x1 != null) {
  	        x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2;
  	      } else {
  	        x2_ = y2_ = -(x1_ = y1_ = Infinity);
  	        xs = [], ys = [];
  	        n = data.length;
  	        if (compat) for (i = 0; i < n; ++i) {
  	          d = data[i];
  	          if (d.x < x1_) x1_ = d.x;
  	          if (d.y < y1_) y1_ = d.y;
  	          if (d.x > x2_) x2_ = d.x;
  	          if (d.y > y2_) y2_ = d.y;
  	          xs.push(d.x);
  	          ys.push(d.y);
  	        } else for (i = 0; i < n; ++i) {
  	          var x_ = +fx(d = data[i], i), y_ = +fy(d, i);
  	          if (x_ < x1_) x1_ = x_;
  	          if (y_ < y1_) y1_ = y_;
  	          if (x_ > x2_) x2_ = x_;
  	          if (y_ > y2_) y2_ = y_;
  	          xs.push(x_);
  	          ys.push(y_);
  	        }
  	      }
  	      var dx = x2_ - x1_, dy = y2_ - y1_;
  	      if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy;
  	      function insert(n, d, x, y, x1, y1, x2, y2) {
  	        if (isNaN(x) || isNaN(y)) return;
  	        if (n.leaf) {
  	          var nx = n.x, ny = n.y;
  	          if (nx != null) {
  	            if (abs(nx - x) + abs(ny - y) < .01) {
  	              insertChild(n, d, x, y, x1, y1, x2, y2);
  	            } else {
  	              var nPoint = n.point;
  	              n.x = n.y = n.point = null;
  	              insertChild(n, nPoint, nx, ny, x1, y1, x2, y2);
  	              insertChild(n, d, x, y, x1, y1, x2, y2);
  	            }
  	          } else {
  	            n.x = x, n.y = y, n.point = d;
  	          }
  	        } else {
  	          insertChild(n, d, x, y, x1, y1, x2, y2);
  	        }
  	      }
  	      function insertChild(n, d, x, y, x1, y1, x2, y2) {
  	        var xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym, i = below << 1 | right;
  	        n.leaf = false;
  	        n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
  	        if (right) x1 = xm; else x2 = xm;
  	        if (below) y1 = ym; else y2 = ym;
  	        insert(n, d, x, y, x1, y1, x2, y2);
  	      }
  	      var root = d3_geom_quadtreeNode();
  	      root.add = function(d) {
  	        insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_);
  	      };
  	      root.visit = function(f) {
  	        d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_);
  	      };
  	      root.find = function(point) {
  	        return d3_geom_quadtreeFind(root, point[0], point[1], x1_, y1_, x2_, y2_);
  	      };
  	      i = -1;
  	      if (x1 == null) {
  	        while (++i < n) {
  	          insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_);
  	        }
  	        --i;
  	      } else data.forEach(root.add);
  	      xs = ys = data = d = null;
  	      return root;
  	    }
  	    quadtree.x = function(_) {
  	      return arguments.length ? (x = _, quadtree) : x;
  	    };
  	    quadtree.y = function(_) {
  	      return arguments.length ? (y = _, quadtree) : y;
  	    };
  	    quadtree.extent = function(_) {
  	      if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ];
  	      if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0], 
  	      y2 = +_[1][1];
  	      return quadtree;
  	    };
  	    quadtree.size = function(_) {
  	      if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ];
  	      if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = y1 = 0, x2 = +_[0], y2 = +_[1];
  	      return quadtree;
  	    };
  	    return quadtree;
  	  };
  	  function d3_geom_quadtreeCompatX(d) {
  	    return d.x;
  	  }
  	  function d3_geom_quadtreeCompatY(d) {
  	    return d.y;
  	  }
  	  function d3_geom_quadtreeNode() {
  	    return {
  	      leaf: true,
  	      nodes: [],
  	      point: null,
  	      x: null,
  	      y: null
  	    };
  	  }
  	  function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
  	    if (!f(node, x1, y1, x2, y2)) {
  	      var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes;
  	      if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);
  	      if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);
  	      if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);
  	      if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);
  	    }
  	  }
  	  function d3_geom_quadtreeFind(root, x, y, x0, y0, x3, y3) {
  	    var minDistance2 = Infinity, closestPoint;
  	    (function find(node, x1, y1, x2, y2) {
  	      if (x1 > x3 || y1 > y3 || x2 < x0 || y2 < y0) return;
  	      if (point = node.point) {
  	        var point, dx = x - node.x, dy = y - node.y, distance2 = dx * dx + dy * dy;
  	        if (distance2 < minDistance2) {
  	          var distance = Math.sqrt(minDistance2 = distance2);
  	          x0 = x - distance, y0 = y - distance;
  	          x3 = x + distance, y3 = y + distance;
  	          closestPoint = point;
  	        }
  	      }
  	      var children = node.nodes, xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym;
  	      for (var i = below << 1 | right, j = i + 4; i < j; ++i) {
  	        if (node = children[i & 3]) switch (i & 3) {
  	         case 0:
  	          find(node, x1, y1, xm, ym);
  	          break;
  	
  	         case 1:
  	          find(node, xm, y1, x2, ym);
  	          break;
  	
  	         case 2:
  	          find(node, x1, ym, xm, y2);
  	          break;
  	
  	         case 3:
  	          find(node, xm, ym, x2, y2);
  	          break;
  	        }
  	      }
  	    })(root, x0, y0, x3, y3);
  	    return closestPoint;
  	  }
  	  d3.interpolateRgb = d3_interpolateRgb;
  	  function d3_interpolateRgb(a, b) {
  	    a = d3.rgb(a);
  	    b = d3.rgb(b);
  	    var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab;
  	    return function(t) {
  	      return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t));
  	    };
  	  }
  	  d3.interpolateObject = d3_interpolateObject;
  	  function d3_interpolateObject(a, b) {
  	    var i = {}, c = {}, k;
  	    for (k in a) {
  	      if (k in b) {
  	        i[k] = d3_interpolate(a[k], b[k]);
  	      } else {
  	        c[k] = a[k];
  	      }
  	    }
  	    for (k in b) {
  	      if (!(k in a)) {
  	        c[k] = b[k];
  	      }
  	    }
  	    return function(t) {
  	      for (k in i) c[k] = i[k](t);
  	      return c;
  	    };
  	  }
  	  d3.interpolateNumber = d3_interpolateNumber;
  	  function d3_interpolateNumber(a, b) {
  	    a = +a, b = +b;
  	    return function(t) {
  	      return a * (1 - t) + b * t;
  	    };
  	  }
  	  d3.interpolateString = d3_interpolateString;
  	  function d3_interpolateString(a, b) {
  	    var bi = d3_interpolate_numberA.lastIndex = d3_interpolate_numberB.lastIndex = 0, am, bm, bs, i = -1, s = [], q = [];
  	    a = a + "", b = b + "";
  	    while ((am = d3_interpolate_numberA.exec(a)) && (bm = d3_interpolate_numberB.exec(b))) {
  	      if ((bs = bm.index) > bi) {
  	        bs = b.slice(bi, bs);
  	        if (s[i]) s[i] += bs; else s[++i] = bs;
  	      }
  	      if ((am = am[0]) === (bm = bm[0])) {
  	        if (s[i]) s[i] += bm; else s[++i] = bm;
  	      } else {
  	        s[++i] = null;
  	        q.push({
  	          i: i,
  	          x: d3_interpolateNumber(am, bm)
  	        });
  	      }
  	      bi = d3_interpolate_numberB.lastIndex;
  	    }
  	    if (bi < b.length) {
  	      bs = b.slice(bi);
  	      if (s[i]) s[i] += bs; else s[++i] = bs;
  	    }
  	    return s.length < 2 ? q[0] ? (b = q[0].x, function(t) {
  	      return b(t) + "";
  	    }) : function() {
  	      return b;
  	    } : (b = q.length, function(t) {
  	      for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t);
  	      return s.join("");
  	    });
  	  }
  	  var d3_interpolate_numberA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, d3_interpolate_numberB = new RegExp(d3_interpolate_numberA.source, "g");
  	  d3.interpolate = d3_interpolate;
  	  function d3_interpolate(a, b) {
  	    var i = d3.interpolators.length, f;
  	    while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ;
  	    return f;
  	  }
  	  d3.interpolators = [ function(a, b) {
  	    var t = typeof b;
  	    return (t === "string" ? d3_rgb_names.has(b.toLowerCase()) || /^(#|rgb\(|hsl\()/i.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_color ? d3_interpolateRgb : Array.isArray(b) ? d3_interpolateArray : t === "object" && isNaN(b) ? d3_interpolateObject : d3_interpolateNumber)(a, b);
  	  } ];
  	  d3.interpolateArray = d3_interpolateArray;
  	  function d3_interpolateArray(a, b) {
  	    var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i;
  	    for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i]));
  	    for (;i < na; ++i) c[i] = a[i];
  	    for (;i < nb; ++i) c[i] = b[i];
  	    return function(t) {
  	      for (i = 0; i < n0; ++i) c[i] = x[i](t);
  	      return c;
  	    };
  	  }
  	  var d3_ease_default = function() {
  	    return d3_identity;
  	  };
  	  var d3_ease = d3.map({
  	    linear: d3_ease_default,
  	    poly: d3_ease_poly,
  	    quad: function() {
  	      return d3_ease_quad;
  	    },
  	    cubic: function() {
  	      return d3_ease_cubic;
  	    },
  	    sin: function() {
  	      return d3_ease_sin;
  	    },
  	    exp: function() {
  	      return d3_ease_exp;
  	    },
  	    circle: function() {
  	      return d3_ease_circle;
  	    },
  	    elastic: d3_ease_elastic,
  	    back: d3_ease_back,
  	    bounce: function() {
  	      return d3_ease_bounce;
  	    }
  	  });
  	  var d3_ease_mode = d3.map({
  	    "in": d3_identity,
  	    out: d3_ease_reverse,
  	    "in-out": d3_ease_reflect,
  	    "out-in": function(f) {
  	      return d3_ease_reflect(d3_ease_reverse(f));
  	    }
  	  });
  	  d3.ease = function(name) {
  	    var i = name.indexOf("-"), t = i >= 0 ? name.slice(0, i) : name, m = i >= 0 ? name.slice(i + 1) : "in";
  	    t = d3_ease.get(t) || d3_ease_default;
  	    m = d3_ease_mode.get(m) || d3_identity;
  	    return d3_ease_clamp(m(t.apply(null, d3_arraySlice.call(arguments, 1))));
  	  };
  	  function d3_ease_clamp(f) {
  	    return function(t) {
  	      return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
  	    };
  	  }
  	  function d3_ease_reverse(f) {
  	    return function(t) {
  	      return 1 - f(1 - t);
  	    };
  	  }
  	  function d3_ease_reflect(f) {
  	    return function(t) {
  	      return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t));
  	    };
  	  }
  	  function d3_ease_quad(t) {
  	    return t * t;
  	  }
  	  function d3_ease_cubic(t) {
  	    return t * t * t;
  	  }
  	  function d3_ease_cubicInOut(t) {
  	    if (t <= 0) return 0;
  	    if (t >= 1) return 1;
  	    var t2 = t * t, t3 = t2 * t;
  	    return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75);
  	  }
  	  function d3_ease_poly(e) {
  	    return function(t) {
  	      return Math.pow(t, e);
  	    };
  	  }
  	  function d3_ease_sin(t) {
  	    return 1 - Math.cos(t * halfπ);
  	  }
  	  function d3_ease_exp(t) {
  	    return Math.pow(2, 10 * (t - 1));
  	  }
  	  function d3_ease_circle(t) {
  	    return 1 - Math.sqrt(1 - t * t);
  	  }
  	  function d3_ease_elastic(a, p) {
  	    var s;
  	    if (arguments.length < 2) p = .45;
  	    if (arguments.length) s = p / τ * Math.asin(1 / a); else a = 1, s = p / 4;
  	    return function(t) {
  	      return 1 + a * Math.pow(2, -10 * t) * Math.sin((t - s) * τ / p);
  	    };
  	  }
  	  function d3_ease_back(s) {
  	    if (!s) s = 1.70158;
  	    return function(t) {
  	      return t * t * ((s + 1) * t - s);
  	    };
  	  }
  	  function d3_ease_bounce(t) {
  	    return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
  	  }
  	  d3.interpolateHcl = d3_interpolateHcl;
  	  function d3_interpolateHcl(a, b) {
  	    a = d3.hcl(a);
  	    b = d3.hcl(b);
  	    var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al;
  	    if (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac;
  	    if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
  	    return function(t) {
  	      return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + "";
  	    };
  	  }
  	  d3.interpolateHsl = d3_interpolateHsl;
  	  function d3_interpolateHsl(a, b) {
  	    a = d3.hsl(a);
  	    b = d3.hsl(b);
  	    var ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al;
  	    if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as;
  	    if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
  	    return function(t) {
  	      return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * t) + "";
  	    };
  	  }
  	  d3.interpolateLab = d3_interpolateLab;
  	  function d3_interpolateLab(a, b) {
  	    a = d3.lab(a);
  	    b = d3.lab(b);
  	    var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab;
  	    return function(t) {
  	      return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + "";
  	    };
  	  }
  	  d3.interpolateRound = d3_interpolateRound;
  	  function d3_interpolateRound(a, b) {
  	    b -= a;
  	    return function(t) {
  	      return Math.round(a + b * t);
  	    };
  	  }
  	  d3.transform = function(string) {
  	    var g = d3_document.createElementNS(d3.ns.prefix.svg, "g");
  	    return (d3.transform = function(string) {
  	      if (string != null) {
  	        g.setAttribute("transform", string);
  	        var t = g.transform.baseVal.consolidate();
  	      }
  	      return new d3_transform(t ? t.matrix : d3_transformIdentity);
  	    })(string);
  	  };
  	  function d3_transform(m) {
  	    var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;
  	    if (r0[0] * r1[1] < r1[0] * r0[1]) {
  	      r0[0] *= -1;
  	      r0[1] *= -1;
  	      kx *= -1;
  	      kz *= -1;
  	    }
  	    this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees;
  	    this.translate = [ m.e, m.f ];
  	    this.scale = [ kx, ky ];
  	    this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0;
  	  }
  	  d3_transform.prototype.toString = function() {
  	    return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")";
  	  };
  	  function d3_transformDot(a, b) {
  	    return a[0] * b[0] + a[1] * b[1];
  	  }
  	  function d3_transformNormalize(a) {
  	    var k = Math.sqrt(d3_transformDot(a, a));
  	    if (k) {
  	      a[0] /= k;
  	      a[1] /= k;
  	    }
  	    return k;
  	  }
  	  function d3_transformCombine(a, b, k) {
  	    a[0] += k * b[0];
  	    a[1] += k * b[1];
  	    return a;
  	  }
  	  var d3_transformIdentity = {
  	    a: 1,
  	    b: 0,
  	    c: 0,
  	    d: 1,
  	    e: 0,
  	    f: 0
  	  };
  	  d3.interpolateTransform = d3_interpolateTransform;
  	  function d3_interpolateTransformPop(s) {
  	    return s.length ? s.pop() + "," : "";
  	  }
  	  function d3_interpolateTranslate(ta, tb, s, q) {
  	    if (ta[0] !== tb[0] || ta[1] !== tb[1]) {
  	      var i = s.push("translate(", null, ",", null, ")");
  	      q.push({
  	        i: i - 4,
  	        x: d3_interpolateNumber(ta[0], tb[0])
  	      }, {
  	        i: i - 2,
  	        x: d3_interpolateNumber(ta[1], tb[1])
  	      });
  	    } else if (tb[0] || tb[1]) {
  	      s.push("translate(" + tb + ")");
  	    }
  	  }
  	  function d3_interpolateRotate(ra, rb, s, q) {
  	    if (ra !== rb) {
  	      if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360;
  	      q.push({
  	        i: s.push(d3_interpolateTransformPop(s) + "rotate(", null, ")") - 2,
  	        x: d3_interpolateNumber(ra, rb)
  	      });
  	    } else if (rb) {
  	      s.push(d3_interpolateTransformPop(s) + "rotate(" + rb + ")");
  	    }
  	  }
  	  function d3_interpolateSkew(wa, wb, s, q) {
  	    if (wa !== wb) {
  	      q.push({
  	        i: s.push(d3_interpolateTransformPop(s) + "skewX(", null, ")") - 2,
  	        x: d3_interpolateNumber(wa, wb)
  	      });
  	    } else if (wb) {
  	      s.push(d3_interpolateTransformPop(s) + "skewX(" + wb + ")");
  	    }
  	  }
  	  function d3_interpolateScale(ka, kb, s, q) {
  	    if (ka[0] !== kb[0] || ka[1] !== kb[1]) {
  	      var i = s.push(d3_interpolateTransformPop(s) + "scale(", null, ",", null, ")");
  	      q.push({
  	        i: i - 4,
  	        x: d3_interpolateNumber(ka[0], kb[0])
  	      }, {
  	        i: i - 2,
  	        x: d3_interpolateNumber(ka[1], kb[1])
  	      });
  	    } else if (kb[0] !== 1 || kb[1] !== 1) {
  	      s.push(d3_interpolateTransformPop(s) + "scale(" + kb + ")");
  	    }
  	  }
  	  function d3_interpolateTransform(a, b) {
  	    var s = [], q = [];
  	    a = d3.transform(a), b = d3.transform(b);
  	    d3_interpolateTranslate(a.translate, b.translate, s, q);
  	    d3_interpolateRotate(a.rotate, b.rotate, s, q);
  	    d3_interpolateSkew(a.skew, b.skew, s, q);
  	    d3_interpolateScale(a.scale, b.scale, s, q);
  	    a = b = null;
  	    return function(t) {
  	      var i = -1, n = q.length, o;
  	      while (++i < n) s[(o = q[i]).i] = o.x(t);
  	      return s.join("");
  	    };
  	  }
  	  function d3_uninterpolateNumber(a, b) {
  	    b = (b -= a = +a) || 1 / b;
  	    return function(x) {
  	      return (x - a) / b;
  	    };
  	  }
  	  function d3_uninterpolateClamp(a, b) {
  	    b = (b -= a = +a) || 1 / b;
  	    return function(x) {
  	      return Math.max(0, Math.min(1, (x - a) / b));
  	    };
  	  }
  	  d3.layout = {};
  	  d3.layout.bundle = function() {
  	    return function(links) {
  	      var paths = [], i = -1, n = links.length;
  	      while (++i < n) paths.push(d3_layout_bundlePath(links[i]));
  	      return paths;
  	    };
  	  };
  	  function d3_layout_bundlePath(link) {
  	    var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ];
  	    while (start !== lca) {
  	      start = start.parent;
  	      points.push(start);
  	    }
  	    var k = points.length;
  	    while (end !== lca) {
  	      points.splice(k, 0, end);
  	      end = end.parent;
  	    }
  	    return points;
  	  }
  	  function d3_layout_bundleAncestors(node) {
  	    var ancestors = [], parent = node.parent;
  	    while (parent != null) {
  	      ancestors.push(node);
  	      node = parent;
  	      parent = parent.parent;
  	    }
  	    ancestors.push(node);
  	    return ancestors;
  	  }
  	  function d3_layout_bundleLeastCommonAncestor(a, b) {
  	    if (a === b) return a;
  	    var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null;
  	    while (aNode === bNode) {
  	      sharedNode = aNode;
  	      aNode = aNodes.pop();
  	      bNode = bNodes.pop();
  	    }
  	    return sharedNode;
  	  }
  	  d3.layout.chord = function() {
  	    var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords;
  	    function relayout() {
  	      var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j;
  	      chords = [];
  	      groups = [];
  	      k = 0, i = -1;
  	      while (++i < n) {
  	        x = 0, j = -1;
  	        while (++j < n) {
  	          x += matrix[i][j];
  	        }
  	        groupSums.push(x);
  	        subgroupIndex.push(d3.range(n));
  	        k += x;
  	      }
  	      if (sortGroups) {
  	        groupIndex.sort(function(a, b) {
  	          return sortGroups(groupSums[a], groupSums[b]);
  	        });
  	      }
  	      if (sortSubgroups) {
  	        subgroupIndex.forEach(function(d, i) {
  	          d.sort(function(a, b) {
  	            return sortSubgroups(matrix[i][a], matrix[i][b]);
  	          });
  	        });
  	      }
  	      k = (τ - padding * n) / k;
  	      x = 0, i = -1;
  	      while (++i < n) {
  	        x0 = x, j = -1;
  	        while (++j < n) {
  	          var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k;
  	          subgroups[di + "-" + dj] = {
  	            index: di,
  	            subindex: dj,
  	            startAngle: a0,
  	            endAngle: a1,
  	            value: v
  	          };
  	        }
  	        groups[di] = {
  	          index: di,
  	          startAngle: x0,
  	          endAngle: x,
  	          value: groupSums[di]
  	        };
  	        x += padding;
  	      }
  	      i = -1;
  	      while (++i < n) {
  	        j = i - 1;
  	        while (++j < n) {
  	          var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i];
  	          if (source.value || target.value) {
  	            chords.push(source.value < target.value ? {
  	              source: target,
  	              target: source
  	            } : {
  	              source: source,
  	              target: target
  	            });
  	          }
  	        }
  	      }
  	      if (sortChords) resort();
  	    }
  	    function resort() {
  	      chords.sort(function(a, b) {
  	        return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2);
  	      });
  	    }
  	    chord.matrix = function(x) {
  	      if (!arguments.length) return matrix;
  	      n = (matrix = x) && matrix.length;
  	      chords = groups = null;
  	      return chord;
  	    };
  	    chord.padding = function(x) {
  	      if (!arguments.length) return padding;
  	      padding = x;
  	      chords = groups = null;
  	      return chord;
  	    };
  	    chord.sortGroups = function(x) {
  	      if (!arguments.length) return sortGroups;
  	      sortGroups = x;
  	      chords = groups = null;
  	      return chord;
  	    };
  	    chord.sortSubgroups = function(x) {
  	      if (!arguments.length) return sortSubgroups;
  	      sortSubgroups = x;
  	      chords = null;
  	      return chord;
  	    };
  	    chord.sortChords = function(x) {
  	      if (!arguments.length) return sortChords;
  	      sortChords = x;
  	      if (chords) resort();
  	      return chord;
  	    };
  	    chord.chords = function() {
  	      if (!chords) relayout();
  	      return chords;
  	    };
  	    chord.groups = function() {
  	      if (!groups) relayout();
  	      return groups;
  	    };
  	    return chord;
  	  };
  	  d3.layout.force = function() {
  	    var force = {}, event = d3.dispatch("start", "tick", "end"), timer, size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges;
  	    function repulse(node) {
  	      return function(quad, x1, _, x2) {
  	        if (quad.point !== node) {
  	          var dx = quad.cx - node.x, dy = quad.cy - node.y, dw = x2 - x1, dn = dx * dx + dy * dy;
  	          if (dw * dw / theta2 < dn) {
  	            if (dn < chargeDistance2) {
  	              var k = quad.charge / dn;
  	              node.px -= dx * k;
  	              node.py -= dy * k;
  	            }
  	            return true;
  	          }
  	          if (quad.point && dn && dn < chargeDistance2) {
  	            var k = quad.pointCharge / dn;
  	            node.px -= dx * k;
  	            node.py -= dy * k;
  	          }
  	        }
  	        return !quad.charge;
  	      };
  	    }
  	    force.tick = function() {
  	      if ((alpha *= .99) < .005) {
  	        timer = null;
  	        event.end({
  	          type: "end",
  	          alpha: alpha = 0
  	        });
  	        return true;
  	      }
  	      var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y;
  	      for (i = 0; i < m; ++i) {
  	        o = links[i];
  	        s = o.source;
  	        t = o.target;
  	        x = t.x - s.x;
  	        y = t.y - s.y;
  	        if (l = x * x + y * y) {
  	          l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;
  	          x *= l;
  	          y *= l;
  	          t.x -= x * (k = s.weight + t.weight ? s.weight / (s.weight + t.weight) : .5);
  	          t.y -= y * k;
  	          s.x += x * (k = 1 - k);
  	          s.y += y * k;
  	        }
  	      }
  	      if (k = alpha * gravity) {
  	        x = size[0] / 2;
  	        y = size[1] / 2;
  	        i = -1;
  	        if (k) while (++i < n) {
  	          o = nodes[i];
  	          o.x += (x - o.x) * k;
  	          o.y += (y - o.y) * k;
  	        }
  	      }
  	      if (charge) {
  	        d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
  	        i = -1;
  	        while (++i < n) {
  	          if (!(o = nodes[i]).fixed) {
  	            q.visit(repulse(o));
  	          }
  	        }
  	      }
  	      i = -1;
  	      while (++i < n) {
  	        o = nodes[i];
  	        if (o.fixed) {
  	          o.x = o.px;
  	          o.y = o.py;
  	        } else {
  	          o.x -= (o.px - (o.px = o.x)) * friction;
  	          o.y -= (o.py - (o.py = o.y)) * friction;
  	        }
  	      }
  	      event.tick({
  	        type: "tick",
  	        alpha: alpha
  	      });
  	    };
  	    force.nodes = function(x) {
  	      if (!arguments.length) return nodes;
  	      nodes = x;
  	      return force;
  	    };
  	    force.links = function(x) {
  	      if (!arguments.length) return links;
  	      links = x;
  	      return force;
  	    };
  	    force.size = function(x) {
  	      if (!arguments.length) return size;
  	      size = x;
  	      return force;
  	    };
  	    force.linkDistance = function(x) {
  	      if (!arguments.length) return linkDistance;
  	      linkDistance = typeof x === "function" ? x : +x;
  	      return force;
  	    };
  	    force.distance = force.linkDistance;
  	    force.linkStrength = function(x) {
  	      if (!arguments.length) return linkStrength;
  	      linkStrength = typeof x === "function" ? x : +x;
  	      return force;
  	    };
  	    force.friction = function(x) {
  	      if (!arguments.length) return friction;
  	      friction = +x;
  	      return force;
  	    };
  	    force.charge = function(x) {
  	      if (!arguments.length) return charge;
  	      charge = typeof x === "function" ? x : +x;
  	      return force;
  	    };
  	    force.chargeDistance = function(x) {
  	      if (!arguments.length) return Math.sqrt(chargeDistance2);
  	      chargeDistance2 = x * x;
  	      return force;
  	    };
  	    force.gravity = function(x) {
  	      if (!arguments.length) return gravity;
  	      gravity = +x;
  	      return force;
  	    };
  	    force.theta = function(x) {
  	      if (!arguments.length) return Math.sqrt(theta2);
  	      theta2 = x * x;
  	      return force;
  	    };
  	    force.alpha = function(x) {
  	      if (!arguments.length) return alpha;
  	      x = +x;
  	      if (alpha) {
  	        if (x > 0) {
  	          alpha = x;
  	        } else {
  	          timer.c = null, timer.t = NaN, timer = null;
  	          event.end({
  	            type: "end",
  	            alpha: alpha = 0
  	          });
  	        }
  	      } else if (x > 0) {
  	        event.start({
  	          type: "start",
  	          alpha: alpha = x
  	        });
  	        timer = d3_timer(force.tick);
  	      }
  	      return force;
  	    };
  	    force.start = function() {
  	      var i, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o;
  	      for (i = 0; i < n; ++i) {
  	        (o = nodes[i]).index = i;
  	        o.weight = 0;
  	      }
  	      for (i = 0; i < m; ++i) {
  	        o = links[i];
  	        if (typeof o.source == "number") o.source = nodes[o.source];
  	        if (typeof o.target == "number") o.target = nodes[o.target];
  	        ++o.source.weight;
  	        ++o.target.weight;
  	      }
  	      for (i = 0; i < n; ++i) {
  	        o = nodes[i];
  	        if (isNaN(o.x)) o.x = position("x", w);
  	        if (isNaN(o.y)) o.y = position("y", h);
  	        if (isNaN(o.px)) o.px = o.x;
  	        if (isNaN(o.py)) o.py = o.y;
  	      }
  	      distances = [];
  	      if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance;
  	      strengths = [];
  	      if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength;
  	      charges = [];
  	      if (typeof charge === "function") for (i = 0; i < n; ++i) charges[i] = +charge.call(this, nodes[i], i); else for (i = 0; i < n; ++i) charges[i] = charge;
  	      function position(dimension, size) {
  	        if (!neighbors) {
  	          neighbors = new Array(n);
  	          for (j = 0; j < n; ++j) {
  	            neighbors[j] = [];
  	          }
  	          for (j = 0; j < m; ++j) {
  	            var o = links[j];
  	            neighbors[o.source.index].push(o.target);
  	            neighbors[o.target.index].push(o.source);
  	          }
  	        }
  	        var candidates = neighbors[i], j = -1, l = candidates.length, x;
  	        while (++j < l) if (!isNaN(x = candidates[j][dimension])) return x;
  	        return Math.random() * size;
  	      }
  	      return force.resume();
  	    };
  	    force.resume = function() {
  	      return force.alpha(.1);
  	    };
  	    force.stop = function() {
  	      return force.alpha(0);
  	    };
  	    force.drag = function() {
  	      if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart.force", d3_layout_forceDragstart).on("drag.force", dragmove).on("dragend.force", d3_layout_forceDragend);
  	      if (!arguments.length) return drag;
  	      this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag);
  	    };
  	    function dragmove(d) {
  	      d.px = d3.event.x, d.py = d3.event.y;
  	      force.resume();
  	    }
  	    return d3.rebind(force, event, "on");
  	  };
  	  function d3_layout_forceDragstart(d) {
  	    d.fixed |= 2;
  	  }
  	  function d3_layout_forceDragend(d) {
  	    d.fixed &= ~6;
  	  }
  	  function d3_layout_forceMouseover(d) {
  	    d.fixed |= 4;
  	    d.px = d.x, d.py = d.y;
  	  }
  	  function d3_layout_forceMouseout(d) {
  	    d.fixed &= ~4;
  	  }
  	  function d3_layout_forceAccumulate(quad, alpha, charges) {
  	    var cx = 0, cy = 0;
  	    quad.charge = 0;
  	    if (!quad.leaf) {
  	      var nodes = quad.nodes, n = nodes.length, i = -1, c;
  	      while (++i < n) {
  	        c = nodes[i];
  	        if (c == null) continue;
  	        d3_layout_forceAccumulate(c, alpha, charges);
  	        quad.charge += c.charge;
  	        cx += c.charge * c.cx;
  	        cy += c.charge * c.cy;
  	      }
  	    }
  	    if (quad.point) {
  	      if (!quad.leaf) {
  	        quad.point.x += Math.random() - .5;
  	        quad.point.y += Math.random() - .5;
  	      }
  	      var k = alpha * charges[quad.point.index];
  	      quad.charge += quad.pointCharge = k;
  	      cx += k * quad.point.x;
  	      cy += k * quad.point.y;
  	    }
  	    quad.cx = cx / quad.charge;
  	    quad.cy = cy / quad.charge;
  	  }
  	  var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1, d3_layout_forceChargeDistance2 = Infinity;
  	  d3.layout.hierarchy = function() {
  	    var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue;
  	    function hierarchy(root) {
  	      var stack = [ root ], nodes = [], node;
  	      root.depth = 0;
  	      while ((node = stack.pop()) != null) {
  	        nodes.push(node);
  	        if ((childs = children.call(hierarchy, node, node.depth)) && (n = childs.length)) {
  	          var n, childs, child;
  	          while (--n >= 0) {
  	            stack.push(child = childs[n]);
  	            child.parent = node;
  	            child.depth = node.depth + 1;
  	          }
  	          if (value) node.value = 0;
  	          node.children = childs;
  	        } else {
  	          if (value) node.value = +value.call(hierarchy, node, node.depth) || 0;
  	          delete node.children;
  	        }
  	      }
  	      d3_layout_hierarchyVisitAfter(root, function(node) {
  	        var childs, parent;
  	        if (sort && (childs = node.children)) childs.sort(sort);
  	        if (value && (parent = node.parent)) parent.value += node.value;
  	      });
  	      return nodes;
  	    }
  	    hierarchy.sort = function(x) {
  	      if (!arguments.length) return sort;
  	      sort = x;
  	      return hierarchy;
  	    };
  	    hierarchy.children = function(x) {
  	      if (!arguments.length) return children;
  	      children = x;
  	      return hierarchy;
  	    };
  	    hierarchy.value = function(x) {
  	      if (!arguments.length) return value;
  	      value = x;
  	      return hierarchy;
  	    };
  	    hierarchy.revalue = function(root) {
  	      if (value) {
  	        d3_layout_hierarchyVisitBefore(root, function(node) {
  	          if (node.children) node.value = 0;
  	        });
  	        d3_layout_hierarchyVisitAfter(root, function(node) {
  	          var parent;
  	          if (!node.children) node.value = +value.call(hierarchy, node, node.depth) || 0;
  	          if (parent = node.parent) parent.value += node.value;
  	        });
  	      }
  	      return root;
  	    };
  	    return hierarchy;
  	  };
  	  function d3_layout_hierarchyRebind(object, hierarchy) {
  	    d3.rebind(object, hierarchy, "sort", "children", "value");
  	    object.nodes = object;
  	    object.links = d3_layout_hierarchyLinks;
  	    return object;
  	  }
  	  function d3_layout_hierarchyVisitBefore(node, callback) {
  	    var nodes = [ node ];
  	    while ((node = nodes.pop()) != null) {
  	      callback(node);
  	      if ((children = node.children) && (n = children.length)) {
  	        var n, children;
  	        while (--n >= 0) nodes.push(children[n]);
  	      }
  	    }
  	  }
  	  function d3_layout_hierarchyVisitAfter(node, callback) {
  	    var nodes = [ node ], nodes2 = [];
  	    while ((node = nodes.pop()) != null) {
  	      nodes2.push(node);
  	      if ((children = node.children) && (n = children.length)) {
  	        var i = -1, n, children;
  	        while (++i < n) nodes.push(children[i]);
  	      }
  	    }
  	    while ((node = nodes2.pop()) != null) {
  	      callback(node);
  	    }
  	  }
  	  function d3_layout_hierarchyChildren(d) {
  	    return d.children;
  	  }
  	  function d3_layout_hierarchyValue(d) {
  	    return d.value;
  	  }
  	  function d3_layout_hierarchySort(a, b) {
  	    return b.value - a.value;
  	  }
  	  function d3_layout_hierarchyLinks(nodes) {
  	    return d3.merge(nodes.map(function(parent) {
  	      return (parent.children || []).map(function(child) {
  	        return {
  	          source: parent,
  	          target: child
  	        };
  	      });
  	    }));
  	  }
  	  d3.layout.partition = function() {
  	    var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ];
  	    function position(node, x, dx, dy) {
  	      var children = node.children;
  	      node.x = x;
  	      node.y = node.depth * dy;
  	      node.dx = dx;
  	      node.dy = dy;
  	      if (children && (n = children.length)) {
  	        var i = -1, n, c, d;
  	        dx = node.value ? dx / node.value : 0;
  	        while (++i < n) {
  	          position(c = children[i], x, d = c.value * dx, dy);
  	          x += d;
  	        }
  	      }
  	    }
  	    function depth(node) {
  	      var children = node.children, d = 0;
  	      if (children && (n = children.length)) {
  	        var i = -1, n;
  	        while (++i < n) d = Math.max(d, depth(children[i]));
  	      }
  	      return 1 + d;
  	    }
  	    function partition(d, i) {
  	      var nodes = hierarchy.call(this, d, i);
  	      position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));
  	      return nodes;
  	    }
  	    partition.size = function(x) {
  	      if (!arguments.length) return size;
  	      size = x;
  	      return partition;
  	    };
  	    return d3_layout_hierarchyRebind(partition, hierarchy);
  	  };
  	  d3.layout.pie = function() {
  	    var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = τ, padAngle = 0;
  	    function pie(data) {
  	      var n = data.length, values = data.map(function(d, i) {
  	        return +value.call(pie, d, i);
  	      }), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), sum = d3.sum(values), k = sum ? (da - n * pa) / sum : 0, index = d3.range(n), arcs = [], v;
  	      if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) {
  	        return values[j] - values[i];
  	      } : function(i, j) {
  	        return sort(data[i], data[j]);
  	      });
  	      index.forEach(function(i) {
  	        arcs[i] = {
  	          data: data[i],
  	          value: v = values[i],
  	          startAngle: a,
  	          endAngle: a += v * k + pa,
  	          padAngle: p
  	        };
  	      });
  	      return arcs;
  	    }
  	    pie.value = function(_) {
  	      if (!arguments.length) return value;
  	      value = _;
  	      return pie;
  	    };
  	    pie.sort = function(_) {
  	      if (!arguments.length) return sort;
  	      sort = _;
  	      return pie;
  	    };
  	    pie.startAngle = function(_) {
  	      if (!arguments.length) return startAngle;
  	      startAngle = _;
  	      return pie;
  	    };
  	    pie.endAngle = function(_) {
  	      if (!arguments.length) return endAngle;
  	      endAngle = _;
  	      return pie;
  	    };
  	    pie.padAngle = function(_) {
  	      if (!arguments.length) return padAngle;
  	      padAngle = _;
  	      return pie;
  	    };
  	    return pie;
  	  };
  	  var d3_layout_pieSortByValue = {};
  	  d3.layout.stack = function() {
  	    var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY;
  	    function stack(data, index) {
  	      if (!(n = data.length)) return data;
  	      var series = data.map(function(d, i) {
  	        return values.call(stack, d, i);
  	      });
  	      var points = series.map(function(d) {
  	        return d.map(function(v, i) {
  	          return [ x.call(stack, v, i), y.call(stack, v, i) ];
  	        });
  	      });
  	      var orders = order.call(stack, points, index);
  	      series = d3.permute(series, orders);
  	      points = d3.permute(points, orders);
  	      var offsets = offset.call(stack, points, index);
  	      var m = series[0].length, n, i, j, o;
  	      for (j = 0; j < m; ++j) {
  	        out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);
  	        for (i = 1; i < n; ++i) {
  	          out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);
  	        }
  	      }
  	      return data;
  	    }
  	    stack.values = function(x) {
  	      if (!arguments.length) return values;
  	      values = x;
  	      return stack;
  	    };
  	    stack.order = function(x) {
  	      if (!arguments.length) return order;
  	      order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;
  	      return stack;
  	    };
  	    stack.offset = function(x) {
  	      if (!arguments.length) return offset;
  	      offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;
  	      return stack;
  	    };
  	    stack.x = function(z) {
  	      if (!arguments.length) return x;
  	      x = z;
  	      return stack;
  	    };
  	    stack.y = function(z) {
  	      if (!arguments.length) return y;
  	      y = z;
  	      return stack;
  	    };
  	    stack.out = function(z) {
  	      if (!arguments.length) return out;
  	      out = z;
  	      return stack;
  	    };
  	    return stack;
  	  };
  	  function d3_layout_stackX(d) {
  	    return d.x;
  	  }
  	  function d3_layout_stackY(d) {
  	    return d.y;
  	  }
  	  function d3_layout_stackOut(d, y0, y) {
  	    d.y0 = y0;
  	    d.y = y;
  	  }
  	  var d3_layout_stackOrders = d3.map({
  	    "inside-out": function(data) {
  	      var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) {
  	        return max[a] - max[b];
  	      }), top = 0, bottom = 0, tops = [], bottoms = [];
  	      for (i = 0; i < n; ++i) {
  	        j = index[i];
  	        if (top < bottom) {
  	          top += sums[j];
  	          tops.push(j);
  	        } else {
  	          bottom += sums[j];
  	          bottoms.push(j);
  	        }
  	      }
  	      return bottoms.reverse().concat(tops);
  	    },
  	    reverse: function(data) {
  	      return d3.range(data.length).reverse();
  	    },
  	    "default": d3_layout_stackOrderDefault
  	  });
  	  var d3_layout_stackOffsets = d3.map({
  	    silhouette: function(data) {
  	      var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = [];
  	      for (j = 0; j < m; ++j) {
  	        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
  	        if (o > max) max = o;
  	        sums.push(o);
  	      }
  	      for (j = 0; j < m; ++j) {
  	        y0[j] = (max - sums[j]) / 2;
  	      }
  	      return y0;
  	    },
  	    wiggle: function(data) {
  	      var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = [];
  	      y0[0] = o = o0 = 0;
  	      for (j = 1; j < m; ++j) {
  	        for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];
  	        for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {
  	          for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {
  	            s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;
  	          }
  	          s2 += s3 * data[i][j][1];
  	        }
  	        y0[j] = o -= s1 ? s2 / s1 * dx : 0;
  	        if (o < o0) o0 = o;
  	      }
  	      for (j = 0; j < m; ++j) y0[j] -= o0;
  	      return y0;
  	    },
  	    expand: function(data) {
  	      var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = [];
  	      for (j = 0; j < m; ++j) {
  	        for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
  	        if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k;
  	      }
  	      for (j = 0; j < m; ++j) y0[j] = 0;
  	      return y0;
  	    },
  	    zero: d3_layout_stackOffsetZero
  	  });
  	  function d3_layout_stackOrderDefault(data) {
  	    return d3.range(data.length);
  	  }
  	  function d3_layout_stackOffsetZero(data) {
  	    var j = -1, m = data[0].length, y0 = [];
  	    while (++j < m) y0[j] = 0;
  	    return y0;
  	  }
  	  function d3_layout_stackMaxIndex(array) {
  	    var i = 1, j = 0, v = array[0][1], k, n = array.length;
  	    for (;i < n; ++i) {
  	      if ((k = array[i][1]) > v) {
  	        j = i;
  	        v = k;
  	      }
  	    }
  	    return j;
  	  }
  	  function d3_layout_stackReduceSum(d) {
  	    return d.reduce(d3_layout_stackSum, 0);
  	  }
  	  function d3_layout_stackSum(p, d) {
  	    return p + d[1];
  	  }
  	  d3.layout.histogram = function() {
  	    var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges;
  	    function histogram(data, i) {
  	      var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x;
  	      while (++i < m) {
  	        bin = bins[i] = [];
  	        bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
  	        bin.y = 0;
  	      }
  	      if (m > 0) {
  	        i = -1;
  	        while (++i < n) {
  	          x = values[i];
  	          if (x >= range[0] && x <= range[1]) {
  	            bin = bins[d3.bisect(thresholds, x, 1, m) - 1];
  	            bin.y += k;
  	            bin.push(data[i]);
  	          }
  	        }
  	      }
  	      return bins;
  	    }
  	    histogram.value = function(x) {
  	      if (!arguments.length) return valuer;
  	      valuer = x;
  	      return histogram;
  	    };
  	    histogram.range = function(x) {
  	      if (!arguments.length) return ranger;
  	      ranger = d3_functor(x);
  	      return histogram;
  	    };
  	    histogram.bins = function(x) {
  	      if (!arguments.length) return binner;
  	      binner = typeof x === "number" ? function(range) {
  	        return d3_layout_histogramBinFixed(range, x);
  	      } : d3_functor(x);
  	      return histogram;
  	    };
  	    histogram.frequency = function(x) {
  	      if (!arguments.length) return frequency;
  	      frequency = !!x;
  	      return histogram;
  	    };
  	    return histogram;
  	  };
  	  function d3_layout_histogramBinSturges(range, values) {
  	    return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));
  	  }
  	  function d3_layout_histogramBinFixed(range, n) {
  	    var x = -1, b = +range[0], m = (range[1] - b) / n, f = [];
  	    while (++x <= n) f[x] = m * x + b;
  	    return f;
  	  }
  	  function d3_layout_histogramRange(values) {
  	    return [ d3.min(values), d3.max(values) ];
  	  }
  	  d3.layout.pack = function() {
  	    var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius;
  	    function pack(d, i) {
  	      var nodes = hierarchy.call(this, d, i), root = nodes[0], w = size[0], h = size[1], r = radius == null ? Math.sqrt : typeof radius === "function" ? radius : function() {
  	        return radius;
  	      };
  	      root.x = root.y = 0;
  	      d3_layout_hierarchyVisitAfter(root, function(d) {
  	        d.r = +r(d.value);
  	      });
  	      d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);
  	      if (padding) {
  	        var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2;
  	        d3_layout_hierarchyVisitAfter(root, function(d) {
  	          d.r += dr;
  	        });
  	        d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);
  	        d3_layout_hierarchyVisitAfter(root, function(d) {
  	          d.r -= dr;
  	        });
  	      }
  	      d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h));
  	      return nodes;
  	    }
  	    pack.size = function(_) {
  	      if (!arguments.length) return size;
  	      size = _;
  	      return pack;
  	    };
  	    pack.radius = function(_) {
  	      if (!arguments.length) return radius;
  	      radius = _ == null || typeof _ === "function" ? _ : +_;
  	      return pack;
  	    };
  	    pack.padding = function(_) {
  	      if (!arguments.length) return padding;
  	      padding = +_;
  	      return pack;
  	    };
  	    return d3_layout_hierarchyRebind(pack, hierarchy);
  	  };
  	  function d3_layout_packSort(a, b) {
  	    return a.value - b.value;
  	  }
  	  function d3_layout_packInsert(a, b) {
  	    var c = a._pack_next;
  	    a._pack_next = b;
  	    b._pack_prev = a;
  	    b._pack_next = c;
  	    c._pack_prev = b;
  	  }
  	  function d3_layout_packSplice(a, b) {
  	    a._pack_next = b;
  	    b._pack_prev = a;
  	  }
  	  function d3_layout_packIntersects(a, b) {
  	    var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r;
  	    return .999 * dr * dr > dx * dx + dy * dy;
  	  }
  	  function d3_layout_packSiblings(node) {
  	    if (!(nodes = node.children) || !(n = nodes.length)) return;
  	    var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n;
  	    function bound(node) {
  	      xMin = Math.min(node.x - node.r, xMin);
  	      xMax = Math.max(node.x + node.r, xMax);
  	      yMin = Math.min(node.y - node.r, yMin);
  	      yMax = Math.max(node.y + node.r, yMax);
  	    }
  	    nodes.forEach(d3_layout_packLink);
  	    a = nodes[0];
  	    a.x = -a.r;
  	    a.y = 0;
  	    bound(a);
  	    if (n > 1) {
  	      b = nodes[1];
  	      b.x = b.r;
  	      b.y = 0;
  	      bound(b);
  	      if (n > 2) {
  	        c = nodes[2];
  	        d3_layout_packPlace(a, b, c);
  	        bound(c);
  	        d3_layout_packInsert(a, c);
  	        a._pack_prev = c;
  	        d3_layout_packInsert(c, b);
  	        b = a._pack_next;
  	        for (i = 3; i < n; i++) {
  	          d3_layout_packPlace(a, b, c = nodes[i]);
  	          var isect = 0, s1 = 1, s2 = 1;
  	          for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {
  	            if (d3_layout_packIntersects(j, c)) {
  	              isect = 1;
  	              break;
  	            }
  	          }
  	          if (isect == 1) {
  	            for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {
  	              if (d3_layout_packIntersects(k, c)) {
  	                break;
  	              }
  	            }
  	          }
  	          if (isect) {
  	            if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b);
  	            i--;
  	          } else {
  	            d3_layout_packInsert(a, c);
  	            b = c;
  	            bound(c);
  	          }
  	        }
  	      }
  	    }
  	    var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0;
  	    for (i = 0; i < n; i++) {
  	      c = nodes[i];
  	      c.x -= cx;
  	      c.y -= cy;
  	      cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y));
  	    }
  	    node.r = cr;
  	    nodes.forEach(d3_layout_packUnlink);
  	  }
  	  function d3_layout_packLink(node) {
  	    node._pack_next = node._pack_prev = node;
  	  }
  	  function d3_layout_packUnlink(node) {
  	    delete node._pack_next;
  	    delete node._pack_prev;
  	  }
  	  function d3_layout_packTransform(node, x, y, k) {
  	    var children = node.children;
  	    node.x = x += k * node.x;
  	    node.y = y += k * node.y;
  	    node.r *= k;
  	    if (children) {
  	      var i = -1, n = children.length;
  	      while (++i < n) d3_layout_packTransform(children[i], x, y, k);
  	    }
  	  }
  	  function d3_layout_packPlace(a, b, c) {
  	    var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y;
  	    if (db && (dx || dy)) {
  	      var da = b.r + c.r, dc = dx * dx + dy * dy;
  	      da *= da;
  	      db *= db;
  	      var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);
  	      c.x = a.x + x * dx + y * dy;
  	      c.y = a.y + x * dy - y * dx;
  	    } else {
  	      c.x = a.x + db;
  	      c.y = a.y;
  	    }
  	  }
  	  d3.layout.tree = function() {
  	    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = null;
  	    function tree(d, i) {
  	      var nodes = hierarchy.call(this, d, i), root0 = nodes[0], root1 = wrapTree(root0);
  	      d3_layout_hierarchyVisitAfter(root1, firstWalk), root1.parent.m = -root1.z;
  	      d3_layout_hierarchyVisitBefore(root1, secondWalk);
  	      if (nodeSize) d3_layout_hierarchyVisitBefore(root0, sizeNode); else {
  	        var left = root0, right = root0, bottom = root0;
  	        d3_layout_hierarchyVisitBefore(root0, function(node) {
  	          if (node.x < left.x) left = node;
  	          if (node.x > right.x) right = node;
  	          if (node.depth > bottom.depth) bottom = node;
  	        });
  	        var tx = separation(left, right) / 2 - left.x, kx = size[0] / (right.x + separation(right, left) / 2 + tx), ky = size[1] / (bottom.depth || 1);
  	        d3_layout_hierarchyVisitBefore(root0, function(node) {
  	          node.x = (node.x + tx) * kx;
  	          node.y = node.depth * ky;
  	        });
  	      }
  	      return nodes;
  	    }
  	    function wrapTree(root0) {
  	      var root1 = {
  	        A: null,
  	        children: [ root0 ]
  	      }, queue = [ root1 ], node1;
  	      while ((node1 = queue.pop()) != null) {
  	        for (var children = node1.children, child, i = 0, n = children.length; i < n; ++i) {
  	          queue.push((children[i] = child = {
  	            _: children[i],
  	            parent: node1,
  	            children: (child = children[i].children) && child.slice() || [],
  	            A: null,
  	            a: null,
  	            z: 0,
  	            m: 0,
  	            c: 0,
  	            s: 0,
  	            t: null,
  	            i: i
  	          }).a = child);
  	        }
  	      }
  	      return root1.children[0];
  	    }
  	    function firstWalk(v) {
  	      var children = v.children, siblings = v.parent.children, w = v.i ? siblings[v.i - 1] : null;
  	      if (children.length) {
  	        d3_layout_treeShift(v);
  	        var midpoint = (children[0].z + children[children.length - 1].z) / 2;
  	        if (w) {
  	          v.z = w.z + separation(v._, w._);
  	          v.m = v.z - midpoint;
  	        } else {
  	          v.z = midpoint;
  	        }
  	      } else if (w) {
  	        v.z = w.z + separation(v._, w._);
  	      }
  	      v.parent.A = apportion(v, w, v.parent.A || siblings[0]);
  	    }
  	    function secondWalk(v) {
  	      v._.x = v.z + v.parent.m;
  	      v.m += v.parent.m;
  	    }
  	    function apportion(v, w, ancestor) {
  	      if (w) {
  	        var vip = v, vop = v, vim = w, vom = vip.parent.children[0], sip = vip.m, sop = vop.m, sim = vim.m, som = vom.m, shift;
  	        while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {
  	          vom = d3_layout_treeLeft(vom);
  	          vop = d3_layout_treeRight(vop);
  	          vop.a = v;
  	          shift = vim.z + sim - vip.z - sip + separation(vim._, vip._);
  	          if (shift > 0) {
  	            d3_layout_treeMove(d3_layout_treeAncestor(vim, v, ancestor), v, shift);
  	            sip += shift;
  	            sop += shift;
  	          }
  	          sim += vim.m;
  	          sip += vip.m;
  	          som += vom.m;
  	          sop += vop.m;
  	        }
  	        if (vim && !d3_layout_treeRight(vop)) {
  	          vop.t = vim;
  	          vop.m += sim - sop;
  	        }
  	        if (vip && !d3_layout_treeLeft(vom)) {
  	          vom.t = vip;
  	          vom.m += sip - som;
  	          ancestor = v;
  	        }
  	      }
  	      return ancestor;
  	    }
  	    function sizeNode(node) {
  	      node.x *= size[0];
  	      node.y = node.depth * size[1];
  	    }
  	    tree.separation = function(x) {
  	      if (!arguments.length) return separation;
  	      separation = x;
  	      return tree;
  	    };
  	    tree.size = function(x) {
  	      if (!arguments.length) return nodeSize ? null : size;
  	      nodeSize = (size = x) == null ? sizeNode : null;
  	      return tree;
  	    };
  	    tree.nodeSize = function(x) {
  	      if (!arguments.length) return nodeSize ? size : null;
  	      nodeSize = (size = x) == null ? null : sizeNode;
  	      return tree;
  	    };
  	    return d3_layout_hierarchyRebind(tree, hierarchy);
  	  };
  	  function d3_layout_treeSeparation(a, b) {
  	    return a.parent == b.parent ? 1 : 2;
  	  }
  	  function d3_layout_treeLeft(v) {
  	    var children = v.children;
  	    return children.length ? children[0] : v.t;
  	  }
  	  function d3_layout_treeRight(v) {
  	    var children = v.children, n;
  	    return (n = children.length) ? children[n - 1] : v.t;
  	  }
  	  function d3_layout_treeMove(wm, wp, shift) {
  	    var change = shift / (wp.i - wm.i);
  	    wp.c -= change;
  	    wp.s += shift;
  	    wm.c += change;
  	    wp.z += shift;
  	    wp.m += shift;
  	  }
  	  function d3_layout_treeShift(v) {
  	    var shift = 0, change = 0, children = v.children, i = children.length, w;
  	    while (--i >= 0) {
  	      w = children[i];
  	      w.z += shift;
  	      w.m += shift;
  	      shift += w.s + (change += w.c);
  	    }
  	  }
  	  function d3_layout_treeAncestor(vim, v, ancestor) {
  	    return vim.a.parent === v.parent ? vim.a : ancestor;
  	  }
  	  d3.layout.cluster = function() {
  	    var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false;
  	    function cluster(d, i) {
  	      var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0;
  	      d3_layout_hierarchyVisitAfter(root, function(node) {
  	        var children = node.children;
  	        if (children && children.length) {
  	          node.x = d3_layout_clusterX(children);
  	          node.y = d3_layout_clusterY(children);
  	        } else {
  	          node.x = previousNode ? x += separation(node, previousNode) : 0;
  	          node.y = 0;
  	          previousNode = node;
  	        }
  	      });
  	      var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2;
  	      d3_layout_hierarchyVisitAfter(root, nodeSize ? function(node) {
  	        node.x = (node.x - root.x) * size[0];
  	        node.y = (root.y - node.y) * size[1];
  	      } : function(node) {
  	        node.x = (node.x - x0) / (x1 - x0) * size[0];
  	        node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];
  	      });
  	      return nodes;
  	    }
  	    cluster.separation = function(x) {
  	      if (!arguments.length) return separation;
  	      separation = x;
  	      return cluster;
  	    };
  	    cluster.size = function(x) {
  	      if (!arguments.length) return nodeSize ? null : size;
  	      nodeSize = (size = x) == null;
  	      return cluster;
  	    };
  	    cluster.nodeSize = function(x) {
  	      if (!arguments.length) return nodeSize ? size : null;
  	      nodeSize = (size = x) != null;
  	      return cluster;
  	    };
  	    return d3_layout_hierarchyRebind(cluster, hierarchy);
  	  };
  	  function d3_layout_clusterY(children) {
  	    return 1 + d3.max(children, function(child) {
  	      return child.y;
  	    });
  	  }
  	  function d3_layout_clusterX(children) {
  	    return children.reduce(function(x, child) {
  	      return x + child.x;
  	    }, 0) / children.length;
  	  }
  	  function d3_layout_clusterLeft(node) {
  	    var children = node.children;
  	    return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
  	  }
  	  function d3_layout_clusterRight(node) {
  	    var children = node.children, n;
  	    return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
  	  }
  	  d3.layout.treemap = function() {
  	    var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5));
  	    function scale(children, k) {
  	      var i = -1, n = children.length, child, area;
  	      while (++i < n) {
  	        area = (child = children[i]).value * (k < 0 ? 0 : k);
  	        child.area = isNaN(area) || area <= 0 ? 0 : area;
  	      }
  	    }
  	    function squarify(node) {
  	      var children = node.children;
  	      if (children && children.length) {
  	        var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n;
  	        scale(remaining, rect.dx * rect.dy / node.value);
  	        row.area = 0;
  	        while ((n = remaining.length) > 0) {
  	          row.push(child = remaining[n - 1]);
  	          row.area += child.area;
  	          if (mode !== "squarify" || (score = worst(row, u)) <= best) {
  	            remaining.pop();
  	            best = score;
  	          } else {
  	            row.area -= row.pop().area;
  	            position(row, u, rect, false);
  	            u = Math.min(rect.dx, rect.dy);
  	            row.length = row.area = 0;
  	            best = Infinity;
  	          }
  	        }
  	        if (row.length) {
  	          position(row, u, rect, true);
  	          row.length = row.area = 0;
  	        }
  	        children.forEach(squarify);
  	      }
  	    }
  	    function stickify(node) {
  	      var children = node.children;
  	      if (children && children.length) {
  	        var rect = pad(node), remaining = children.slice(), child, row = [];
  	        scale(remaining, rect.dx * rect.dy / node.value);
  	        row.area = 0;
  	        while (child = remaining.pop()) {
  	          row.push(child);
  	          row.area += child.area;
  	          if (child.z != null) {
  	            position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);
  	            row.length = row.area = 0;
  	          }
  	        }
  	        children.forEach(stickify);
  	      }
  	    }
  	    function worst(row, u) {
  	      var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length;
  	      while (++i < n) {
  	        if (!(r = row[i].area)) continue;
  	        if (r < rmin) rmin = r;
  	        if (r > rmax) rmax = r;
  	      }
  	      s *= s;
  	      u *= u;
  	      return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity;
  	    }
  	    function position(row, u, rect, flush) {
  	      var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o;
  	      if (u == rect.dx) {
  	        if (flush || v > rect.dy) v = rect.dy;
  	        while (++i < n) {
  	          o = row[i];
  	          o.x = x;
  	          o.y = y;
  	          o.dy = v;
  	          x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);
  	        }
  	        o.z = true;
  	        o.dx += rect.x + rect.dx - x;
  	        rect.y += v;
  	        rect.dy -= v;
  	      } else {
  	        if (flush || v > rect.dx) v = rect.dx;
  	        while (++i < n) {
  	          o = row[i];
  	          o.x = x;
  	          o.y = y;
  	          o.dx = v;
  	          y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);
  	        }
  	        o.z = false;
  	        o.dy += rect.y + rect.dy - y;
  	        rect.x += v;
  	        rect.dx -= v;
  	      }
  	    }
  	    function treemap(d) {
  	      var nodes = stickies || hierarchy(d), root = nodes[0];
  	      root.x = root.y = 0;
  	      if (root.value) root.dx = size[0], root.dy = size[1]; else root.dx = root.dy = 0;
  	      if (stickies) hierarchy.revalue(root);
  	      scale([ root ], root.dx * root.dy / root.value);
  	      (stickies ? stickify : squarify)(root);
  	      if (sticky) stickies = nodes;
  	      return nodes;
  	    }
  	    treemap.size = function(x) {
  	      if (!arguments.length) return size;
  	      size = x;
  	      return treemap;
  	    };
  	    treemap.padding = function(x) {
  	      if (!arguments.length) return padding;
  	      function padFunction(node) {
  	        var p = x.call(treemap, node, node.depth);
  	        return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p);
  	      }
  	      function padConstant(node) {
  	        return d3_layout_treemapPad(node, x);
  	      }
  	      var type;
  	      pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ], 
  	      padConstant) : padConstant;
  	      return treemap;
  	    };
  	    treemap.round = function(x) {
  	      if (!arguments.length) return round != Number;
  	      round = x ? Math.round : Number;
  	      return treemap;
  	    };
  	    treemap.sticky = function(x) {
  	      if (!arguments.length) return sticky;
  	      sticky = x;
  	      stickies = null;
  	      return treemap;
  	    };
  	    treemap.ratio = function(x) {
  	      if (!arguments.length) return ratio;
  	      ratio = x;
  	      return treemap;
  	    };
  	    treemap.mode = function(x) {
  	      if (!arguments.length) return mode;
  	      mode = x + "";
  	      return treemap;
  	    };
  	    return d3_layout_hierarchyRebind(treemap, hierarchy);
  	  };
  	  function d3_layout_treemapPadNull(node) {
  	    return {
  	      x: node.x,
  	      y: node.y,
  	      dx: node.dx,
  	      dy: node.dy
  	    };
  	  }
  	  function d3_layout_treemapPad(node, padding) {
  	    var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2];
  	    if (dx < 0) {
  	      x += dx / 2;
  	      dx = 0;
  	    }
  	    if (dy < 0) {
  	      y += dy / 2;
  	      dy = 0;
  	    }
  	    return {
  	      x: x,
  	      y: y,
  	      dx: dx,
  	      dy: dy
  	    };
  	  }
  	  d3.random = {
  	    normal: function(µ, σ) {
  	      var n = arguments.length;
  	      if (n < 2) σ = 1;
  	      if (n < 1) µ = 0;
  	      return function() {
  	        var x, y, r;
  	        do {
  	          x = Math.random() * 2 - 1;
  	          y = Math.random() * 2 - 1;
  	          r = x * x + y * y;
  	        } while (!r || r > 1);
  	        return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r);
  	      };
  	    },
  	    logNormal: function() {
  	      var random = d3.random.normal.apply(d3, arguments);
  	      return function() {
  	        return Math.exp(random());
  	      };
  	    },
  	    bates: function(m) {
  	      var random = d3.random.irwinHall(m);
  	      return function() {
  	        return random() / m;
  	      };
  	    },
  	    irwinHall: function(m) {
  	      return function() {
  	        for (var s = 0, j = 0; j < m; j++) s += Math.random();
  	        return s;
  	      };
  	    }
  	  };
  	  d3.scale = {};
  	  function d3_scaleExtent(domain) {
  	    var start = domain[0], stop = domain[domain.length - 1];
  	    return start < stop ? [ start, stop ] : [ stop, start ];
  	  }
  	  function d3_scaleRange(scale) {
  	    return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
  	  }
  	  function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
  	    var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]);
  	    return function(x) {
  	      return i(u(x));
  	    };
  	  }
  	  function d3_scale_nice(domain, nice) {
  	    var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx;
  	    if (x1 < x0) {
  	      dx = i0, i0 = i1, i1 = dx;
  	      dx = x0, x0 = x1, x1 = dx;
  	    }
  	    domain[i0] = nice.floor(x0);
  	    domain[i1] = nice.ceil(x1);
  	    return domain;
  	  }
  	  function d3_scale_niceStep(step) {
  	    return step ? {
  	      floor: function(x) {
  	        return Math.floor(x / step) * step;
  	      },
  	      ceil: function(x) {
  	        return Math.ceil(x / step) * step;
  	      }
  	    } : d3_scale_niceIdentity;
  	  }
  	  var d3_scale_niceIdentity = {
  	    floor: d3_identity,
  	    ceil: d3_identity
  	  };
  	  function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
  	    var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1;
  	    if (domain[k] < domain[0]) {
  	      domain = domain.slice().reverse();
  	      range = range.slice().reverse();
  	    }
  	    while (++j <= k) {
  	      u.push(uninterpolate(domain[j - 1], domain[j]));
  	      i.push(interpolate(range[j - 1], range[j]));
  	    }
  	    return function(x) {
  	      var j = d3.bisect(domain, x, 1, k) - 1;
  	      return i[j](u[j](x));
  	    };
  	  }
  	  d3.scale.linear = function() {
  	    return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false);
  	  };
  	  function d3_scale_linear(domain, range, interpolate, clamp) {
  	    var output, input;
  	    function rescale() {
  	      var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
  	      output = linear(domain, range, uninterpolate, interpolate);
  	      input = linear(range, domain, uninterpolate, d3_interpolate);
  	      return scale;
  	    }
  	    function scale(x) {
  	      return output(x);
  	    }
  	    scale.invert = function(y) {
  	      return input(y);
  	    };
  	    scale.domain = function(x) {
  	      if (!arguments.length) return domain;
  	      domain = x.map(Number);
  	      return rescale();
  	    };
  	    scale.range = function(x) {
  	      if (!arguments.length) return range;
  	      range = x;
  	      return rescale();
  	    };
  	    scale.rangeRound = function(x) {
  	      return scale.range(x).interpolate(d3_interpolateRound);
  	    };
  	    scale.clamp = function(x) {
  	      if (!arguments.length) return clamp;
  	      clamp = x;
  	      return rescale();
  	    };
  	    scale.interpolate = function(x) {
  	      if (!arguments.length) return interpolate;
  	      interpolate = x;
  	      return rescale();
  	    };
  	    scale.ticks = function(m) {
  	      return d3_scale_linearTicks(domain, m);
  	    };
  	    scale.tickFormat = function(m, format) {
  	      return d3_scale_linearTickFormat(domain, m, format);
  	    };
  	    scale.nice = function(m) {
  	      d3_scale_linearNice(domain, m);
  	      return rescale();
  	    };
  	    scale.copy = function() {
  	      return d3_scale_linear(domain, range, interpolate, clamp);
  	    };
  	    return rescale();
  	  }
  	  function d3_scale_linearRebind(scale, linear) {
  	    return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
  	  }
  	  function d3_scale_linearNice(domain, m) {
  	    d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2]));
  	    d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2]));
  	    return domain;
  	  }
  	  function d3_scale_linearTickRange(domain, m) {
  	    if (m == null) m = 10;
  	    var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step;
  	    if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2;
  	    extent[0] = Math.ceil(extent[0] / step) * step;
  	    extent[1] = Math.floor(extent[1] / step) * step + step * .5;
  	    extent[2] = step;
  	    return extent;
  	  }
  	  function d3_scale_linearTicks(domain, m) {
  	    return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
  	  }
  	  function d3_scale_linearTickFormat(domain, m, format) {
  	    var range = d3_scale_linearTickRange(domain, m);
  	    if (format) {
  	      var match = d3_format_re.exec(format);
  	      match.shift();
  	      if (match[8] === "s") {
  	        var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1])));
  	        if (!match[7]) match[7] = "." + d3_scale_linearPrecision(prefix.scale(range[2]));
  	        match[8] = "f";
  	        format = d3.format(match.join(""));
  	        return function(d) {
  	          return format(prefix.scale(d)) + prefix.symbol;
  	        };
  	      }
  	      if (!match[7]) match[7] = "." + d3_scale_linearFormatPrecision(match[8], range);
  	      format = match.join("");
  	    } else {
  	      format = ",." + d3_scale_linearPrecision(range[2]) + "f";
  	    }
  	    return d3.format(format);
  	  }
  	  var d3_scale_linearFormatSignificant = {
  	    s: 1,
  	    g: 1,
  	    p: 1,
  	    r: 1,
  	    e: 1
  	  };
  	  function d3_scale_linearPrecision(value) {
  	    return -Math.floor(Math.log(value) / Math.LN10 + .01);
  	  }
  	  function d3_scale_linearFormatPrecision(type, range) {
  	    var p = d3_scale_linearPrecision(range[2]);
  	    return type in d3_scale_linearFormatSignificant ? Math.abs(p - d3_scale_linearPrecision(Math.max(abs(range[0]), abs(range[1])))) + +(type !== "e") : p - (type === "%") * 2;
  	  }
  	  d3.scale.log = function() {
  	    return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]);
  	  };
  	  function d3_scale_log(linear, base, positive, domain) {
  	    function log(x) {
  	      return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base);
  	    }
  	    function pow(x) {
  	      return positive ? Math.pow(base, x) : -Math.pow(base, -x);
  	    }
  	    function scale(x) {
  	      return linear(log(x));
  	    }
  	    scale.invert = function(x) {
  	      return pow(linear.invert(x));
  	    };
  	    scale.domain = function(x) {
  	      if (!arguments.length) return domain;
  	      positive = x[0] >= 0;
  	      linear.domain((domain = x.map(Number)).map(log));
  	      return scale;
  	    };
  	    scale.base = function(_) {
  	      if (!arguments.length) return base;
  	      base = +_;
  	      linear.domain(domain.map(log));
  	      return scale;
  	    };
  	    scale.nice = function() {
  	      var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative);
  	      linear.domain(niced);
  	      domain = niced.map(pow);
  	      return scale;
  	    };
  	    scale.ticks = function() {
  	      var extent = d3_scaleExtent(domain), ticks = [], u = extent[0], v = extent[1], i = Math.floor(log(u)), j = Math.ceil(log(v)), n = base % 1 ? 2 : base;
  	      if (isFinite(j - i)) {
  	        if (positive) {
  	          for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k);
  	          ticks.push(pow(i));
  	        } else {
  	          ticks.push(pow(i));
  	          for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k);
  	        }
  	        for (i = 0; ticks[i] < u; i++) {}
  	        for (j = ticks.length; ticks[j - 1] > v; j--) {}
  	        ticks = ticks.slice(i, j);
  	      }
  	      return ticks;
  	    };
  	    scale.tickFormat = function(n, format) {
  	      if (!arguments.length) return d3_scale_logFormat;
  	      if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format);
  	      var k = Math.max(1, base * n / scale.ticks().length);
  	      return function(d) {
  	        var i = d / pow(Math.round(log(d)));
  	        if (i * base < base - .5) i *= base;
  	        return i <= k ? format(d) : "";
  	      };
  	    };
  	    scale.copy = function() {
  	      return d3_scale_log(linear.copy(), base, positive, domain);
  	    };
  	    return d3_scale_linearRebind(scale, linear);
  	  }
  	  var d3_scale_logFormat = d3.format(".0e"), d3_scale_logNiceNegative = {
  	    floor: function(x) {
  	      return -Math.ceil(-x);
  	    },
  	    ceil: function(x) {
  	      return -Math.floor(-x);
  	    }
  	  };
  	  d3.scale.pow = function() {
  	    return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]);
  	  };
  	  function d3_scale_pow(linear, exponent, domain) {
  	    var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent);
  	    function scale(x) {
  	      return linear(powp(x));
  	    }
  	    scale.invert = function(x) {
  	      return powb(linear.invert(x));
  	    };
  	    scale.domain = function(x) {
  	      if (!arguments.length) return domain;
  	      linear.domain((domain = x.map(Number)).map(powp));
  	      return scale;
  	    };
  	    scale.ticks = function(m) {
  	      return d3_scale_linearTicks(domain, m);
  	    };
  	    scale.tickFormat = function(m, format) {
  	      return d3_scale_linearTickFormat(domain, m, format);
  	    };
  	    scale.nice = function(m) {
  	      return scale.domain(d3_scale_linearNice(domain, m));
  	    };
  	    scale.exponent = function(x) {
  	      if (!arguments.length) return exponent;
  	      powp = d3_scale_powPow(exponent = x);
  	      powb = d3_scale_powPow(1 / exponent);
  	      linear.domain(domain.map(powp));
  	      return scale;
  	    };
  	    scale.copy = function() {
  	      return d3_scale_pow(linear.copy(), exponent, domain);
  	    };
  	    return d3_scale_linearRebind(scale, linear);
  	  }
  	  function d3_scale_powPow(e) {
  	    return function(x) {
  	      return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
  	    };
  	  }
  	  d3.scale.sqrt = function() {
  	    return d3.scale.pow().exponent(.5);
  	  };
  	  d3.scale.ordinal = function() {
  	    return d3_scale_ordinal([], {
  	      t: "range",
  	      a: [ [] ]
  	    });
  	  };
  	  function d3_scale_ordinal(domain, ranger) {
  	    var index, range, rangeBand;
  	    function scale(x) {
  	      return range[((index.get(x) || (ranger.t === "range" ? index.set(x, domain.push(x)) : NaN)) - 1) % range.length];
  	    }
  	    function steps(start, step) {
  	      return d3.range(domain.length).map(function(i) {
  	        return start + step * i;
  	      });
  	    }
  	    scale.domain = function(x) {
  	      if (!arguments.length) return domain;
  	      domain = [];
  	      index = new d3_Map();
  	      var i = -1, n = x.length, xi;
  	      while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));
  	      return scale[ranger.t].apply(scale, ranger.a);
  	    };
  	    scale.range = function(x) {
  	      if (!arguments.length) return range;
  	      range = x;
  	      rangeBand = 0;
  	      ranger = {
  	        t: "range",
  	        a: arguments
  	      };
  	      return scale;
  	    };
  	    scale.rangePoints = function(x, padding) {
  	      if (arguments.length < 2) padding = 0;
  	      var start = x[0], stop = x[1], step = domain.length < 2 ? (start = (start + stop) / 2, 
  	      0) : (stop - start) / (domain.length - 1 + padding);
  	      range = steps(start + step * padding / 2, step);
  	      rangeBand = 0;
  	      ranger = {
  	        t: "rangePoints",
  	        a: arguments
  	      };
  	      return scale;
  	    };
  	    scale.rangeRoundPoints = function(x, padding) {
  	      if (arguments.length < 2) padding = 0;
  	      var start = x[0], stop = x[1], step = domain.length < 2 ? (start = stop = Math.round((start + stop) / 2), 
  	      0) : (stop - start) / (domain.length - 1 + padding) | 0;
  	      range = steps(start + Math.round(step * padding / 2 + (stop - start - (domain.length - 1 + padding) * step) / 2), step);
  	      rangeBand = 0;
  	      ranger = {
  	        t: "rangeRoundPoints",
  	        a: arguments
  	      };
  	      return scale;
  	    };
  	    scale.rangeBands = function(x, padding, outerPadding) {
  	      if (arguments.length < 2) padding = 0;
  	      if (arguments.length < 3) outerPadding = padding;
  	      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding);
  	      range = steps(start + step * outerPadding, step);
  	      if (reverse) range.reverse();
  	      rangeBand = step * (1 - padding);
  	      ranger = {
  	        t: "rangeBands",
  	        a: arguments
  	      };
  	      return scale;
  	    };
  	    scale.rangeRoundBands = function(x, padding, outerPadding) {
  	      if (arguments.length < 2) padding = 0;
  	      if (arguments.length < 3) outerPadding = padding;
  	      var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding));
  	      range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 2), step);
  	      if (reverse) range.reverse();
  	      rangeBand = Math.round(step * (1 - padding));
  	      ranger = {
  	        t: "rangeRoundBands",
  	        a: arguments
  	      };
  	      return scale;
  	    };
  	    scale.rangeBand = function() {
  	      return rangeBand;
  	    };
  	    scale.rangeExtent = function() {
  	      return d3_scaleExtent(ranger.a[0]);
  	    };
  	    scale.copy = function() {
  	      return d3_scale_ordinal(domain, ranger);
  	    };
  	    return scale.domain(domain);
  	  }
  	  d3.scale.category10 = function() {
  	    return d3.scale.ordinal().range(d3_category10);
  	  };
  	  d3.scale.category20 = function() {
  	    return d3.scale.ordinal().range(d3_category20);
  	  };
  	  d3.scale.category20b = function() {
  	    return d3.scale.ordinal().range(d3_category20b);
  	  };
  	  d3.scale.category20c = function() {
  	    return d3.scale.ordinal().range(d3_category20c);
  	  };
  	  var d3_category10 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString);
  	  var d3_category20 = [ 2062260, 11454440, 16744206, 16759672, 2924588, 10018698, 14034728, 16750742, 9725885, 12955861, 9197131, 12885140, 14907330, 16234194, 8355711, 13092807, 12369186, 14408589, 1556175, 10410725 ].map(d3_rgbString);
  	  var d3_category20b = [ 3750777, 5395619, 7040719, 10264286, 6519097, 9216594, 11915115, 13556636, 9202993, 12426809, 15186514, 15190932, 8666169, 11356490, 14049643, 15177372, 8077683, 10834324, 13528509, 14589654 ].map(d3_rgbString);
  	  var d3_category20c = [ 3244733, 7057110, 10406625, 13032431, 15095053, 16616764, 16625259, 16634018, 3253076, 7652470, 10607003, 13101504, 7695281, 10394312, 12369372, 14342891, 6513507, 9868950, 12434877, 14277081 ].map(d3_rgbString);
  	  d3.scale.quantile = function() {
  	    return d3_scale_quantile([], []);
  	  };
  	  function d3_scale_quantile(domain, range) {
  	    var thresholds;
  	    function rescale() {
  	      var k = 0, q = range.length;
  	      thresholds = [];
  	      while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
  	      return scale;
  	    }
  	    function scale(x) {
  	      if (!isNaN(x = +x)) return range[d3.bisect(thresholds, x)];
  	    }
  	    scale.domain = function(x) {
  	      if (!arguments.length) return domain;
  	      domain = x.map(d3_number).filter(d3_numeric).sort(d3_ascending);
  	      return rescale();
  	    };
  	    scale.range = function(x) {
  	      if (!arguments.length) return range;
  	      range = x;
  	      return rescale();
  	    };
  	    scale.quantiles = function() {
  	      return thresholds;
  	    };
  	    scale.invertExtent = function(y) {
  	      y = range.indexOf(y);
  	      return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ];
  	    };
  	    scale.copy = function() {
  	      return d3_scale_quantile(domain, range);
  	    };
  	    return rescale();
  	  }
  	  d3.scale.quantize = function() {
  	    return d3_scale_quantize(0, 1, [ 0, 1 ]);
  	  };
  	  function d3_scale_quantize(x0, x1, range) {
  	    var kx, i;
  	    function scale(x) {
  	      return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
  	    }
  	    function rescale() {
  	      kx = range.length / (x1 - x0);
  	      i = range.length - 1;
  	      return scale;
  	    }
  	    scale.domain = function(x) {
  	      if (!arguments.length) return [ x0, x1 ];
  	      x0 = +x[0];
  	      x1 = +x[x.length - 1];
  	      return rescale();
  	    };
  	    scale.range = function(x) {
  	      if (!arguments.length) return range;
  	      range = x;
  	      return rescale();
  	    };
  	    scale.invertExtent = function(y) {
  	      y = range.indexOf(y);
  	      y = y < 0 ? NaN : y / kx + x0;
  	      return [ y, y + 1 / kx ];
  	    };
  	    scale.copy = function() {
  	      return d3_scale_quantize(x0, x1, range);
  	    };
  	    return rescale();
  	  }
  	  d3.scale.threshold = function() {
  	    return d3_scale_threshold([ .5 ], [ 0, 1 ]);
  	  };
  	  function d3_scale_threshold(domain, range) {
  	    function scale(x) {
  	      if (x <= x) return range[d3.bisect(domain, x)];
  	    }
  	    scale.domain = function(_) {
  	      if (!arguments.length) return domain;
  	      domain = _;
  	      return scale;
  	    };
  	    scale.range = function(_) {
  	      if (!arguments.length) return range;
  	      range = _;
  	      return scale;
  	    };
  	    scale.invertExtent = function(y) {
  	      y = range.indexOf(y);
  	      return [ domain[y - 1], domain[y] ];
  	    };
  	    scale.copy = function() {
  	      return d3_scale_threshold(domain, range);
  	    };
  	    return scale;
  	  }
  	  d3.scale.identity = function() {
  	    return d3_scale_identity([ 0, 1 ]);
  	  };
  	  function d3_scale_identity(domain) {
  	    function identity(x) {
  	      return +x;
  	    }
  	    identity.invert = identity;
  	    identity.domain = identity.range = function(x) {
  	      if (!arguments.length) return domain;
  	      domain = x.map(identity);
  	      return identity;
  	    };
  	    identity.ticks = function(m) {
  	      return d3_scale_linearTicks(domain, m);
  	    };
  	    identity.tickFormat = function(m, format) {
  	      return d3_scale_linearTickFormat(domain, m, format);
  	    };
  	    identity.copy = function() {
  	      return d3_scale_identity(domain);
  	    };
  	    return identity;
  	  }
  	  d3.svg = {};
  	  function d3_zero() {
  	    return 0;
  	  }
  	  d3.svg.arc = function() {
  	    var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, cornerRadius = d3_zero, padRadius = d3_svg_arcAuto, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle, padAngle = d3_svg_arcPadAngle;
  	    function arc() {
  	      var r0 = Math.max(0, +innerRadius.apply(this, arguments)), r1 = Math.max(0, +outerRadius.apply(this, arguments)), a0 = startAngle.apply(this, arguments) - halfπ, a1 = endAngle.apply(this, arguments) - halfπ, da = Math.abs(a1 - a0), cw = a0 > a1 ? 0 : 1;
  	      if (r1 < r0) rc = r1, r1 = r0, r0 = rc;
  	      if (da >= τε) return circleSegment(r1, cw) + (r0 ? circleSegment(r0, 1 - cw) : "") + "Z";
  	      var rc, cr, rp, ap, p0 = 0, p1 = 0, x0, y0, x1, y1, x2, y2, x3, y3, path = [];
  	      if (ap = (+padAngle.apply(this, arguments) || 0) / 2) {
  	        rp = padRadius === d3_svg_arcAuto ? Math.sqrt(r0 * r0 + r1 * r1) : +padRadius.apply(this, arguments);
  	        if (!cw) p1 *= -1;
  	        if (r1) p1 = d3_asin(rp / r1 * Math.sin(ap));
  	        if (r0) p0 = d3_asin(rp / r0 * Math.sin(ap));
  	      }
  	      if (r1) {
  	        x0 = r1 * Math.cos(a0 + p1);
  	        y0 = r1 * Math.sin(a0 + p1);
  	        x1 = r1 * Math.cos(a1 - p1);
  	        y1 = r1 * Math.sin(a1 - p1);
  	        var l1 = Math.abs(a1 - a0 - 2 * p1) <= π ? 0 : 1;
  	        if (p1 && d3_svg_arcSweep(x0, y0, x1, y1) === cw ^ l1) {
  	          var h1 = (a0 + a1) / 2;
  	          x0 = r1 * Math.cos(h1);
  	          y0 = r1 * Math.sin(h1);
  	          x1 = y1 = null;
  	        }
  	      } else {
  	        x0 = y0 = 0;
  	      }
  	      if (r0) {
  	        x2 = r0 * Math.cos(a1 - p0);
  	        y2 = r0 * Math.sin(a1 - p0);
  	        x3 = r0 * Math.cos(a0 + p0);
  	        y3 = r0 * Math.sin(a0 + p0);
  	        var l0 = Math.abs(a0 - a1 + 2 * p0) <= π ? 0 : 1;
  	        if (p0 && d3_svg_arcSweep(x2, y2, x3, y3) === 1 - cw ^ l0) {
  	          var h0 = (a0 + a1) / 2;
  	          x2 = r0 * Math.cos(h0);
  	          y2 = r0 * Math.sin(h0);
  	          x3 = y3 = null;
  	        }
  	      } else {
  	        x2 = y2 = 0;
  	      }
  	      if (da > ε && (rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) {
  	        cr = r0 < r1 ^ cw ? 0 : 1;
  	        var rc1 = rc, rc0 = rc;
  	        if (da < π) {
  	          var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]);
  	          rc0 = Math.min(rc, (r0 - lc) / (kc - 1));
  	          rc1 = Math.min(rc, (r1 - lc) / (kc + 1));
  	        }
  	        if (x1 != null) {
  	          var t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw);
  	          if (rc === rc1) {
  	            path.push("M", t30[0], "A", rc1, ",", rc1, " 0 0,", cr, " ", t30[1], "A", r1, ",", r1, " 0 ", 1 - cw ^ d3_svg_arcSweep(t30[1][0], t30[1][1], t12[1][0], t12[1][1]), ",", cw, " ", t12[1], "A", rc1, ",", rc1, " 0 0,", cr, " ", t12[0]);
  	          } else {
  	            path.push("M", t30[0], "A", rc1, ",", rc1, " 0 1,", cr, " ", t12[0]);
  	          }
  	        } else {
  	          path.push("M", x0, ",", y0);
  	        }
  	        if (x3 != null) {
  	          var t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw);
  	          if (rc === rc0) {
  	            path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t21[1], "A", r0, ",", r0, " 0 ", cw ^ d3_svg_arcSweep(t21[1][0], t21[1][1], t03[1][0], t03[1][1]), ",", 1 - cw, " ", t03[1], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]);
  	          } else {
  	            path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]);
  	          }
  	        } else {
  	          path.push("L", x2, ",", y2);
  	        }
  	      } else {
  	        path.push("M", x0, ",", y0);
  	        if (x1 != null) path.push("A", r1, ",", r1, " 0 ", l1, ",", cw, " ", x1, ",", y1);
  	        path.push("L", x2, ",", y2);
  	        if (x3 != null) path.push("A", r0, ",", r0, " 0 ", l0, ",", 1 - cw, " ", x3, ",", y3);
  	      }
  	      path.push("Z");
  	      return path.join("");
  	    }
  	    function circleSegment(r1, cw) {
  	      return "M0," + r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + -r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + r1;
  	    }
  	    arc.innerRadius = function(v) {
  	      if (!arguments.length) return innerRadius;
  	      innerRadius = d3_functor(v);
  	      return arc;
  	    };
  	    arc.outerRadius = function(v) {
  	      if (!arguments.length) return outerRadius;
  	      outerRadius = d3_functor(v);
  	      return arc;
  	    };
  	    arc.cornerRadius = function(v) {
  	      if (!arguments.length) return cornerRadius;
  	      cornerRadius = d3_functor(v);
  	      return arc;
  	    };
  	    arc.padRadius = function(v) {
  	      if (!arguments.length) return padRadius;
  	      padRadius = v == d3_svg_arcAuto ? d3_svg_arcAuto : d3_functor(v);
  	      return arc;
  	    };
  	    arc.startAngle = function(v) {
  	      if (!arguments.length) return startAngle;
  	      startAngle = d3_functor(v);
  	      return arc;
  	    };
  	    arc.endAngle = function(v) {
  	      if (!arguments.length) return endAngle;
  	      endAngle = d3_functor(v);
  	      return arc;
  	    };
  	    arc.padAngle = function(v) {
  	      if (!arguments.length) return padAngle;
  	      padAngle = d3_functor(v);
  	      return arc;
  	    };
  	    arc.centroid = function() {
  	      var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - halfπ;
  	      return [ Math.cos(a) * r, Math.sin(a) * r ];
  	    };
  	    return arc;
  	  };
  	  var d3_svg_arcAuto = "auto";
  	  function d3_svg_arcInnerRadius(d) {
  	    return d.innerRadius;
  	  }
  	  function d3_svg_arcOuterRadius(d) {
  	    return d.outerRadius;
  	  }
  	  function d3_svg_arcStartAngle(d) {
  	    return d.startAngle;
  	  }
  	  function d3_svg_arcEndAngle(d) {
  	    return d.endAngle;
  	  }
  	  function d3_svg_arcPadAngle(d) {
  	    return d && d.padAngle;
  	  }
  	  function d3_svg_arcSweep(x0, y0, x1, y1) {
  	    return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1;
  	  }
  	  function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) {
  	    var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3;
  	    if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1;
  	    return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ];
  	  }
  	  function d3_svg_line(projection) {
  	    var x = d3_geom_pointX, y = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7;
  	    function line(data) {
  	      var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y);
  	      function segment() {
  	        segments.push("M", interpolate(projection(points), tension));
  	      }
  	      while (++i < n) {
  	        if (defined.call(this, d = data[i], i)) {
  	          points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]);
  	        } else if (points.length) {
  	          segment();
  	          points = [];
  	        }
  	      }
  	      if (points.length) segment();
  	      return segments.length ? segments.join("") : null;
  	    }
  	    line.x = function(_) {
  	      if (!arguments.length) return x;
  	      x = _;
  	      return line;
  	    };
  	    line.y = function(_) {
  	      if (!arguments.length) return y;
  	      y = _;
  	      return line;
  	    };
  	    line.defined = function(_) {
  	      if (!arguments.length) return defined;
  	      defined = _;
  	      return line;
  	    };
  	    line.interpolate = function(_) {
  	      if (!arguments.length) return interpolateKey;
  	      if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
  	      return line;
  	    };
  	    line.tension = function(_) {
  	      if (!arguments.length) return tension;
  	      tension = _;
  	      return line;
  	    };
  	    return line;
  	  }
  	  d3.svg.line = function() {
  	    return d3_svg_line(d3_identity);
  	  };
  	  var d3_svg_lineInterpolators = d3.map({
  	    linear: d3_svg_lineLinear,
  	    "linear-closed": d3_svg_lineLinearClosed,
  	    step: d3_svg_lineStep,
  	    "step-before": d3_svg_lineStepBefore,
  	    "step-after": d3_svg_lineStepAfter,
  	    basis: d3_svg_lineBasis,
  	    "basis-open": d3_svg_lineBasisOpen,
  	    "basis-closed": d3_svg_lineBasisClosed,
  	    bundle: d3_svg_lineBundle,
  	    cardinal: d3_svg_lineCardinal,
  	    "cardinal-open": d3_svg_lineCardinalOpen,
  	    "cardinal-closed": d3_svg_lineCardinalClosed,
  	    monotone: d3_svg_lineMonotone
  	  });
  	  d3_svg_lineInterpolators.forEach(function(key, value) {
  	    value.key = key;
  	    value.closed = /-closed$/.test(key);
  	  });
  	  function d3_svg_lineLinear(points) {
  	    return points.length > 1 ? points.join("L") : points + "Z";
  	  }
  	  function d3_svg_lineLinearClosed(points) {
  	    return points.join("L") + "Z";
  	  }
  	  function d3_svg_lineStep(points) {
  	    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
  	    while (++i < n) path.push("H", (p[0] + (p = points[i])[0]) / 2, "V", p[1]);
  	    if (n > 1) path.push("H", p[0]);
  	    return path.join("");
  	  }
  	  function d3_svg_lineStepBefore(points) {
  	    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
  	    while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
  	    return path.join("");
  	  }
  	  function d3_svg_lineStepAfter(points) {
  	    var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
  	    while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
  	    return path.join("");
  	  }
  	  function d3_svg_lineCardinalOpen(points, tension) {
  	    return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, -1), d3_svg_lineCardinalTangents(points, tension));
  	  }
  	  function d3_svg_lineCardinalClosed(points, tension) {
  	    return points.length < 3 ? d3_svg_lineLinearClosed(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), 
  	    points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension));
  	  }
  	  function d3_svg_lineCardinal(points, tension) {
  	    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension));
  	  }
  	  function d3_svg_lineHermite(points, tangents) {
  	    if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) {
  	      return d3_svg_lineLinear(points);
  	    }
  	    var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1;
  	    if (quad) {
  	      path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1];
  	      p0 = points[1];
  	      pi = 2;
  	    }
  	    if (tangents.length > 1) {
  	      t = tangents[1];
  	      p = points[pi];
  	      pi++;
  	      path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
  	      for (var i = 2; i < tangents.length; i++, pi++) {
  	        p = points[pi];
  	        t = tangents[i];
  	        path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
  	      }
  	    }
  	    if (quad) {
  	      var lp = points[pi];
  	      path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1];
  	    }
  	    return path;
  	  }
  	  function d3_svg_lineCardinalTangents(points, tension) {
  	    var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length;
  	    while (++i < n) {
  	      p0 = p1;
  	      p1 = p2;
  	      p2 = points[i];
  	      tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]);
  	    }
  	    return tangents;
  	  }
  	  function d3_svg_lineBasis(points) {
  	    if (points.length < 3) return d3_svg_lineLinear(points);
  	    var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0, "L", d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
  	    points.push(points[n - 1]);
  	    while (++i <= n) {
  	      pi = points[i];
  	      px.shift();
  	      px.push(pi[0]);
  	      py.shift();
  	      py.push(pi[1]);
  	      d3_svg_lineBasisBezier(path, px, py);
  	    }
  	    points.pop();
  	    path.push("L", pi);
  	    return path.join("");
  	  }
  	  function d3_svg_lineBasisOpen(points) {
  	    if (points.length < 4) return d3_svg_lineLinear(points);
  	    var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ];
  	    while (++i < 3) {
  	      pi = points[i];
  	      px.push(pi[0]);
  	      py.push(pi[1]);
  	    }
  	    path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
  	    --i;
  	    while (++i < n) {
  	      pi = points[i];
  	      px.shift();
  	      px.push(pi[0]);
  	      py.shift();
  	      py.push(pi[1]);
  	      d3_svg_lineBasisBezier(path, px, py);
  	    }
  	    return path.join("");
  	  }
  	  function d3_svg_lineBasisClosed(points) {
  	    var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = [];
  	    while (++i < 4) {
  	      pi = points[i % n];
  	      px.push(pi[0]);
  	      py.push(pi[1]);
  	    }
  	    path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
  	    --i;
  	    while (++i < m) {
  	      pi = points[i % n];
  	      px.shift();
  	      px.push(pi[0]);
  	      py.shift();
  	      py.push(pi[1]);
  	      d3_svg_lineBasisBezier(path, px, py);
  	    }
  	    return path.join("");
  	  }
  	  function d3_svg_lineBundle(points, tension) {
  	    var n = points.length - 1;
  	    if (n) {
  	      var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t;
  	      while (++i <= n) {
  	        p = points[i];
  	        t = i / n;
  	        p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
  	        p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
  	      }
  	    }
  	    return d3_svg_lineBasis(points);
  	  }
  	  function d3_svg_lineDot4(a, b) {
  	    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
  	  }
  	  var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ];
  	  function d3_svg_lineBasisBezier(path, x, y) {
  	    path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y));
  	  }
  	  function d3_svg_lineSlope(p0, p1) {
  	    return (p1[1] - p0[1]) / (p1[0] - p0[0]);
  	  }
  	  function d3_svg_lineFiniteDifferences(points) {
  	    var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1);
  	    while (++i < j) {
  	      m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2;
  	    }
  	    m[i] = d;
  	    return m;
  	  }
  	  function d3_svg_lineMonotoneTangents(points) {
  	    var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1;
  	    while (++i < j) {
  	      d = d3_svg_lineSlope(points[i], points[i + 1]);
  	      if (abs(d) < ε) {
  	        m[i] = m[i + 1] = 0;
  	      } else {
  	        a = m[i] / d;
  	        b = m[i + 1] / d;
  	        s = a * a + b * b;
  	        if (s > 9) {
  	          s = d * 3 / Math.sqrt(s);
  	          m[i] = s * a;
  	          m[i + 1] = s * b;
  	        }
  	      }
  	    }
  	    i = -1;
  	    while (++i <= j) {
  	      s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));
  	      tangents.push([ s || 0, m[i] * s || 0 ]);
  	    }
  	    return tangents;
  	  }
  	  function d3_svg_lineMonotone(points) {
  	    return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
  	  }
  	  d3.svg.line.radial = function() {
  	    var line = d3_svg_line(d3_svg_lineRadial);
  	    line.radius = line.x, delete line.x;
  	    line.angle = line.y, delete line.y;
  	    return line;
  	  };
  	  function d3_svg_lineRadial(points) {
  	    var point, i = -1, n = points.length, r, a;
  	    while (++i < n) {
  	      point = points[i];
  	      r = point[0];
  	      a = point[1] - halfπ;
  	      point[0] = r * Math.cos(a);
  	      point[1] = r * Math.sin(a);
  	    }
  	    return points;
  	  }
  	  function d3_svg_area(projection) {
  	    var x0 = d3_geom_pointX, x1 = d3_geom_pointX, y0 = 0, y1 = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7;
  	    function area(data) {
  	      var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() {
  	        return x;
  	      } : d3_functor(x1), fy1 = y0 === y1 ? function() {
  	        return y;
  	      } : d3_functor(y1), x, y;
  	      function segment() {
  	        segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z");
  	      }
  	      while (++i < n) {
  	        if (defined.call(this, d = data[i], i)) {
  	          points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]);
  	          points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]);
  	        } else if (points0.length) {
  	          segment();
  	          points0 = [];
  	          points1 = [];
  	        }
  	      }
  	      if (points0.length) segment();
  	      return segments.length ? segments.join("") : null;
  	    }
  	    area.x = function(_) {
  	      if (!arguments.length) return x1;
  	      x0 = x1 = _;
  	      return area;
  	    };
  	    area.x0 = function(_) {
  	      if (!arguments.length) return x0;
  	      x0 = _;
  	      return area;
  	    };
  	    area.x1 = function(_) {
  	      if (!arguments.length) return x1;
  	      x1 = _;
  	      return area;
  	    };
  	    area.y = function(_) {
  	      if (!arguments.length) return y1;
  	      y0 = y1 = _;
  	      return area;
  	    };
  	    area.y0 = function(_) {
  	      if (!arguments.length) return y0;
  	      y0 = _;
  	      return area;
  	    };
  	    area.y1 = function(_) {
  	      if (!arguments.length) return y1;
  	      y1 = _;
  	      return area;
  	    };
  	    area.defined = function(_) {
  	      if (!arguments.length) return defined;
  	      defined = _;
  	      return area;
  	    };
  	    area.interpolate = function(_) {
  	      if (!arguments.length) return interpolateKey;
  	      if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
  	      interpolateReverse = interpolate.reverse || interpolate;
  	      L = interpolate.closed ? "M" : "L";
  	      return area;
  	    };
  	    area.tension = function(_) {
  	      if (!arguments.length) return tension;
  	      tension = _;
  	      return area;
  	    };
  	    return area;
  	  }
  	  d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
  	  d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
  	  d3.svg.area = function() {
  	    return d3_svg_area(d3_identity);
  	  };
  	  d3.svg.area.radial = function() {
  	    var area = d3_svg_area(d3_svg_lineRadial);
  	    area.radius = area.x, delete area.x;
  	    area.innerRadius = area.x0, delete area.x0;
  	    area.outerRadius = area.x1, delete area.x1;
  	    area.angle = area.y, delete area.y;
  	    area.startAngle = area.y0, delete area.y0;
  	    area.endAngle = area.y1, delete area.y1;
  	    return area;
  	  };
  	  d3.svg.chord = function() {
  	    var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
  	    function chord(d, i) {
  	      var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i);
  	      return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z";
  	    }
  	    function subgroup(self, f, d, i) {
  	      var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) - halfπ, a1 = endAngle.call(self, subgroup, i) - halfπ;
  	      return {
  	        r: r,
  	        a0: a0,
  	        a1: a1,
  	        p0: [ r * Math.cos(a0), r * Math.sin(a0) ],
  	        p1: [ r * Math.cos(a1), r * Math.sin(a1) ]
  	      };
  	    }
  	    function equals(a, b) {
  	      return a.a0 == b.a0 && a.a1 == b.a1;
  	    }
  	    function arc(r, p, a) {
  	      return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p;
  	    }
  	    function curve(r0, p0, r1, p1) {
  	      return "Q 0,0 " + p1;
  	    }
  	    chord.radius = function(v) {
  	      if (!arguments.length) return radius;
  	      radius = d3_functor(v);
  	      return chord;
  	    };
  	    chord.source = function(v) {
  	      if (!arguments.length) return source;
  	      source = d3_functor(v);
  	      return chord;
  	    };
  	    chord.target = function(v) {
  	      if (!arguments.length) return target;
  	      target = d3_functor(v);
  	      return chord;
  	    };
  	    chord.startAngle = function(v) {
  	      if (!arguments.length) return startAngle;
  	      startAngle = d3_functor(v);
  	      return chord;
  	    };
  	    chord.endAngle = function(v) {
  	      if (!arguments.length) return endAngle;
  	      endAngle = d3_functor(v);
  	      return chord;
  	    };
  	    return chord;
  	  };
  	  function d3_svg_chordRadius(d) {
  	    return d.radius;
  	  }
  	  d3.svg.diagonal = function() {
  	    var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection;
  	    function diagonal(d, i) {
  	      var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, {
  	        x: p0.x,
  	        y: m
  	      }, {
  	        x: p3.x,
  	        y: m
  	      }, p3 ];
  	      p = p.map(projection);
  	      return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
  	    }
  	    diagonal.source = function(x) {
  	      if (!arguments.length) return source;
  	      source = d3_functor(x);
  	      return diagonal;
  	    };
  	    diagonal.target = function(x) {
  	      if (!arguments.length) return target;
  	      target = d3_functor(x);
  	      return diagonal;
  	    };
  	    diagonal.projection = function(x) {
  	      if (!arguments.length) return projection;
  	      projection = x;
  	      return diagonal;
  	    };
  	    return diagonal;
  	  };
  	  function d3_svg_diagonalProjection(d) {
  	    return [ d.x, d.y ];
  	  }
  	  d3.svg.diagonal.radial = function() {
  	    var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection;
  	    diagonal.projection = function(x) {
  	      return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection;
  	    };
  	    return diagonal;
  	  };
  	  function d3_svg_diagonalRadialProjection(projection) {
  	    return function() {
  	      var d = projection.apply(this, arguments), r = d[0], a = d[1] - halfπ;
  	      return [ r * Math.cos(a), r * Math.sin(a) ];
  	    };
  	  }
  	  d3.svg.symbol = function() {
  	    var type = d3_svg_symbolType, size = d3_svg_symbolSize;
  	    function symbol(d, i) {
  	      return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i));
  	    }
  	    symbol.type = function(x) {
  	      if (!arguments.length) return type;
  	      type = d3_functor(x);
  	      return symbol;
  	    };
  	    symbol.size = function(x) {
  	      if (!arguments.length) return size;
  	      size = d3_functor(x);
  	      return symbol;
  	    };
  	    return symbol;
  	  };
  	  function d3_svg_symbolSize() {
  	    return 64;
  	  }
  	  function d3_svg_symbolType() {
  	    return "circle";
  	  }
  	  function d3_svg_symbolCircle(size) {
  	    var r = Math.sqrt(size / π);
  	    return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z";
  	  }
  	  var d3_svg_symbols = d3.map({
  	    circle: d3_svg_symbolCircle,
  	    cross: function(size) {
  	      var r = Math.sqrt(size / 5) / 2;
  	      return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z";
  	    },
  	    diamond: function(size) {
  	      var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30;
  	      return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z";
  	    },
  	    square: function(size) {
  	      var r = Math.sqrt(size) / 2;
  	      return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z";
  	    },
  	    "triangle-down": function(size) {
  	      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
  	      return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z";
  	    },
  	    "triangle-up": function(size) {
  	      var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
  	      return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z";
  	    }
  	  });
  	  d3.svg.symbolTypes = d3_svg_symbols.keys();
  	  var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians);
  	  d3_selectionPrototype.transition = function(name) {
  	    var id = d3_transitionInheritId || ++d3_transitionId, ns = d3_transitionNamespace(name), subgroups = [], subgroup, node, transition = d3_transitionInherit || {
  	      time: Date.now(),
  	      ease: d3_ease_cubicInOut,
  	      delay: 0,
  	      duration: 250
  	    };
  	    for (var j = -1, m = this.length; ++j < m; ) {
  	      subgroups.push(subgroup = []);
  	      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
  	        if (node = group[i]) d3_transitionNode(node, i, ns, id, transition);
  	        subgroup.push(node);
  	      }
  	    }
  	    return d3_transition(subgroups, ns, id);
  	  };
  	  d3_selectionPrototype.interrupt = function(name) {
  	    return this.each(name == null ? d3_selection_interrupt : d3_selection_interruptNS(d3_transitionNamespace(name)));
  	  };
  	  var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace());
  	  function d3_selection_interruptNS(ns) {
  	    return function() {
  	      var lock, activeId, active;
  	      if ((lock = this[ns]) && (active = lock[activeId = lock.active])) {
  	        active.timer.c = null;
  	        active.timer.t = NaN;
  	        if (--lock.count) delete lock[activeId]; else delete this[ns];
  	        lock.active += .5;
  	        active.event && active.event.interrupt.call(this, this.__data__, active.index);
  	      }
  	    };
  	  }
  	  function d3_transition(groups, ns, id) {
  	    d3_subclass(groups, d3_transitionPrototype);
  	    groups.namespace = ns;
  	    groups.id = id;
  	    return groups;
  	  }
  	  var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit;
  	  d3_transitionPrototype.call = d3_selectionPrototype.call;
  	  d3_transitionPrototype.empty = d3_selectionPrototype.empty;
  	  d3_transitionPrototype.node = d3_selectionPrototype.node;
  	  d3_transitionPrototype.size = d3_selectionPrototype.size;
  	  d3.transition = function(selection, name) {
  	    return selection && selection.transition ? d3_transitionInheritId ? selection.transition(name) : selection : d3.selection().transition(selection);
  	  };
  	  d3.transition.prototype = d3_transitionPrototype;
  	  d3_transitionPrototype.select = function(selector) {
  	    var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnode, node;
  	    selector = d3_selection_selector(selector);
  	    for (var j = -1, m = this.length; ++j < m; ) {
  	      subgroups.push(subgroup = []);
  	      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
  	        if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i, j))) {
  	          if ("__data__" in node) subnode.__data__ = node.__data__;
  	          d3_transitionNode(subnode, i, ns, id, node[ns][id]);
  	          subgroup.push(subnode);
  	        } else {
  	          subgroup.push(null);
  	        }
  	      }
  	    }
  	    return d3_transition(subgroups, ns, id);
  	  };
  	  d3_transitionPrototype.selectAll = function(selector) {
  	    var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnodes, node, subnode, transition;
  	    selector = d3_selection_selectorAll(selector);
  	    for (var j = -1, m = this.length; ++j < m; ) {
  	      for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
  	        if (node = group[i]) {
  	          transition = node[ns][id];
  	          subnodes = selector.call(node, node.__data__, i, j);
  	          subgroups.push(subgroup = []);
  	          for (var k = -1, o = subnodes.length; ++k < o; ) {
  	            if (subnode = subnodes[k]) d3_transitionNode(subnode, k, ns, id, transition);
  	            subgroup.push(subnode);
  	          }
  	        }
  	      }
  	    }
  	    return d3_transition(subgroups, ns, id);
  	  };
  	  d3_transitionPrototype.filter = function(filter) {
  	    var subgroups = [], subgroup, group, node;
  	    if (typeof filter !== "function") filter = d3_selection_filter(filter);
  	    for (var j = 0, m = this.length; j < m; j++) {
  	      subgroups.push(subgroup = []);
  	      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
  	        if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {
  	          subgroup.push(node);
  	        }
  	      }
  	    }
  	    return d3_transition(subgroups, this.namespace, this.id);
  	  };
  	  d3_transitionPrototype.tween = function(name, tween) {
  	    var id = this.id, ns = this.namespace;
  	    if (arguments.length < 2) return this.node()[ns][id].tween.get(name);
  	    return d3_selection_each(this, tween == null ? function(node) {
  	      node[ns][id].tween.remove(name);
  	    } : function(node) {
  	      node[ns][id].tween.set(name, tween);
  	    });
  	  };
  	  function d3_transition_tween(groups, name, value, tween) {
  	    var id = groups.id, ns = groups.namespace;
  	    return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) {
  	      node[ns][id].tween.set(name, tween(value.call(node, node.__data__, i, j)));
  	    } : (value = tween(value), function(node) {
  	      node[ns][id].tween.set(name, value);
  	    }));
  	  }
  	  d3_transitionPrototype.attr = function(nameNS, value) {
  	    if (arguments.length < 2) {
  	      for (value in nameNS) this.attr(value, nameNS[value]);
  	      return this;
  	    }
  	    var interpolate = nameNS == "transform" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS);
  	    function attrNull() {
  	      this.removeAttribute(name);
  	    }
  	    function attrNullNS() {
  	      this.removeAttributeNS(name.space, name.local);
  	    }
  	    function attrTween(b) {
  	      return b == null ? attrNull : (b += "", function() {
  	        var a = this.getAttribute(name), i;
  	        return a !== b && (i = interpolate(a, b), function(t) {
  	          this.setAttribute(name, i(t));
  	        });
  	      });
  	    }
  	    function attrTweenNS(b) {
  	      return b == null ? attrNullNS : (b += "", function() {
  	        var a = this.getAttributeNS(name.space, name.local), i;
  	        return a !== b && (i = interpolate(a, b), function(t) {
  	          this.setAttributeNS(name.space, name.local, i(t));
  	        });
  	      });
  	    }
  	    return d3_transition_tween(this, "attr." + nameNS, value, name.local ? attrTweenNS : attrTween);
  	  };
  	  d3_transitionPrototype.attrTween = function(nameNS, tween) {
  	    var name = d3.ns.qualify(nameNS);
  	    function attrTween(d, i) {
  	      var f = tween.call(this, d, i, this.getAttribute(name));
  	      return f && function(t) {
  	        this.setAttribute(name, f(t));
  	      };
  	    }
  	    function attrTweenNS(d, i) {
  	      var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
  	      return f && function(t) {
  	        this.setAttributeNS(name.space, name.local, f(t));
  	      };
  	    }
  	    return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
  	  };
  	  d3_transitionPrototype.style = function(name, value, priority) {
  	    var n = arguments.length;
  	    if (n < 3) {
  	      if (typeof name !== "string") {
  	        if (n < 2) value = "";
  	        for (priority in name) this.style(priority, name[priority], value);
  	        return this;
  	      }
  	      priority = "";
  	    }
  	    function styleNull() {
  	      this.style.removeProperty(name);
  	    }
  	    function styleString(b) {
  	      return b == null ? styleNull : (b += "", function() {
  	        var a = d3_window(this).getComputedStyle(this, null).getPropertyValue(name), i;
  	        return a !== b && (i = d3_interpolate(a, b), function(t) {
  	          this.style.setProperty(name, i(t), priority);
  	        });
  	      });
  	    }
  	    return d3_transition_tween(this, "style." + name, value, styleString);
  	  };
  	  d3_transitionPrototype.styleTween = function(name, tween, priority) {
  	    if (arguments.length < 3) priority = "";
  	    function styleTween(d, i) {
  	      var f = tween.call(this, d, i, d3_window(this).getComputedStyle(this, null).getPropertyValue(name));
  	      return f && function(t) {
  	        this.style.setProperty(name, f(t), priority);
  	      };
  	    }
  	    return this.tween("style." + name, styleTween);
  	  };
  	  d3_transitionPrototype.text = function(value) {
  	    return d3_transition_tween(this, "text", value, d3_transition_text);
  	  };
  	  function d3_transition_text(b) {
  	    if (b == null) b = "";
  	    return function() {
  	      this.textContent = b;
  	    };
  	  }
  	  d3_transitionPrototype.remove = function() {
  	    var ns = this.namespace;
  	    return this.each("end.transition", function() {
  	      var p;
  	      if (this[ns].count < 2 && (p = this.parentNode)) p.removeChild(this);
  	    });
  	  };
  	  d3_transitionPrototype.ease = function(value) {
  	    var id = this.id, ns = this.namespace;
  	    if (arguments.length < 1) return this.node()[ns][id].ease;
  	    if (typeof value !== "function") value = d3.ease.apply(d3, arguments);
  	    return d3_selection_each(this, function(node) {
  	      node[ns][id].ease = value;
  	    });
  	  };
  	  d3_transitionPrototype.delay = function(value) {
  	    var id = this.id, ns = this.namespace;
  	    if (arguments.length < 1) return this.node()[ns][id].delay;
  	    return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
  	      node[ns][id].delay = +value.call(node, node.__data__, i, j);
  	    } : (value = +value, function(node) {
  	      node[ns][id].delay = value;
  	    }));
  	  };
  	  d3_transitionPrototype.duration = function(value) {
  	    var id = this.id, ns = this.namespace;
  	    if (arguments.length < 1) return this.node()[ns][id].duration;
  	    return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
  	      node[ns][id].duration = Math.max(1, value.call(node, node.__data__, i, j));
  	    } : (value = Math.max(1, value), function(node) {
  	      node[ns][id].duration = value;
  	    }));
  	  };
  	  d3_transitionPrototype.each = function(type, listener) {
  	    var id = this.id, ns = this.namespace;
  	    if (arguments.length < 2) {
  	      var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId;
  	      try {
  	        d3_transitionInheritId = id;
  	        d3_selection_each(this, function(node, i, j) {
  	          d3_transitionInherit = node[ns][id];
  	          type.call(node, node.__data__, i, j);
  	        });
  	      } finally {
  	        d3_transitionInherit = inherit;
  	        d3_transitionInheritId = inheritId;
  	      }
  	    } else {
  	      d3_selection_each(this, function(node) {
  	        var transition = node[ns][id];
  	        (transition.event || (transition.event = d3.dispatch("start", "end", "interrupt"))).on(type, listener);
  	      });
  	    }
  	    return this;
  	  };
  	  d3_transitionPrototype.transition = function() {
  	    var id0 = this.id, id1 = ++d3_transitionId, ns = this.namespace, subgroups = [], subgroup, group, node, transition;
  	    for (var j = 0, m = this.length; j < m; j++) {
  	      subgroups.push(subgroup = []);
  	      for (var group = this[j], i = 0, n = group.length; i < n; i++) {
  	        if (node = group[i]) {
  	          transition = node[ns][id0];
  	          d3_transitionNode(node, i, ns, id1, {
  	            time: transition.time,
  	            ease: transition.ease,
  	            delay: transition.delay + transition.duration,
  	            duration: transition.duration
  	          });
  	        }
  	        subgroup.push(node);
  	      }
  	    }
  	    return d3_transition(subgroups, ns, id1);
  	  };
  	  function d3_transitionNamespace(name) {
  	    return name == null ? "__transition__" : "__transition_" + name + "__";
  	  }
  	  function d3_transitionNode(node, i, ns, id, inherit) {
  	    var lock = node[ns] || (node[ns] = {
  	      active: 0,
  	      count: 0
  	    }), transition = lock[id], time, timer, duration, ease, tweens;
  	    function schedule(elapsed) {
  	      var delay = transition.delay;
  	      timer.t = delay + time;
  	      if (delay <= elapsed) return start(elapsed - delay);
  	      timer.c = start;
  	    }
  	    function start(elapsed) {
  	      var activeId = lock.active, active = lock[activeId];
  	      if (active) {
  	        active.timer.c = null;
  	        active.timer.t = NaN;
  	        --lock.count;
  	        delete lock[activeId];
  	        active.event && active.event.interrupt.call(node, node.__data__, active.index);
  	      }
  	      for (var cancelId in lock) {
  	        if (+cancelId < id) {
  	          var cancel = lock[cancelId];
  	          cancel.timer.c = null;
  	          cancel.timer.t = NaN;
  	          --lock.count;
  	          delete lock[cancelId];
  	        }
  	      }
  	      timer.c = tick;
  	      d3_timer(function() {
  	        if (timer.c && tick(elapsed || 1)) {
  	          timer.c = null;
  	          timer.t = NaN;
  	        }
  	        return 1;
  	      }, 0, time);
  	      lock.active = id;
  	      transition.event && transition.event.start.call(node, node.__data__, i);
  	      tweens = [];
  	      transition.tween.forEach(function(key, value) {
  	        if (value = value.call(node, node.__data__, i)) {
  	          tweens.push(value);
  	        }
  	      });
  	      ease = transition.ease;
  	      duration = transition.duration;
  	    }
  	    function tick(elapsed) {
  	      var t = elapsed / duration, e = ease(t), n = tweens.length;
  	      while (n > 0) {
  	        tweens[--n].call(node, e);
  	      }
  	      if (t >= 1) {
  	        transition.event && transition.event.end.call(node, node.__data__, i);
  	        if (--lock.count) delete lock[id]; else delete node[ns];
  	        return 1;
  	      }
  	    }
  	    if (!transition) {
  	      time = inherit.time;
  	      timer = d3_timer(schedule, 0, time);
  	      transition = lock[id] = {
  	        tween: new d3_Map(),
  	        time: time,
  	        timer: timer,
  	        delay: inherit.delay,
  	        duration: inherit.duration,
  	        ease: inherit.ease,
  	        index: i
  	      };
  	      inherit = null;
  	      ++lock.count;
  	    }
  	  }
  	  d3.svg.axis = function() {
  	    var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_;
  	    function axis(g) {
  	      g.each(function() {
  	        var g = d3.select(this);
  	        var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy();
  	        var ticks = tickValues == null ? scale1.ticks ? scale1.ticks.apply(scale1, tickArguments_) : scale1.domain() : tickValues, tickFormat = tickFormat_ == null ? scale1.tickFormat ? scale1.tickFormat.apply(scale1, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", ε), tickExit = d3.transition(tick.exit()).style("opacity", ε).remove(), tickUpdate = d3.transition(tick.order()).style("opacity", 1), tickSpacing = Math.max(innerTickSize, 0) + tickPadding, tickTransform;
  	        var range = d3_scaleRange(scale1), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), 
  	        d3.transition(path));
  	        tickEnter.append("line");
  	        tickEnter.append("text");
  	        var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text"), sign = orient === "top" || orient === "left" ? -1 : 1, x1, x2, y1, y2;
  	        if (orient === "bottom" || orient === "top") {
  	          tickTransform = d3_svg_axisX, x1 = "x", y1 = "y", x2 = "x2", y2 = "y2";
  	          text.attr("dy", sign < 0 ? "0em" : ".71em").style("text-anchor", "middle");
  	          pathUpdate.attr("d", "M" + range[0] + "," + sign * outerTickSize + "V0H" + range[1] + "V" + sign * outerTickSize);
  	        } else {
  	          tickTransform = d3_svg_axisY, x1 = "y", y1 = "x", x2 = "y2", y2 = "x2";
  	          text.attr("dy", ".32em").style("text-anchor", sign < 0 ? "end" : "start");
  	          pathUpdate.attr("d", "M" + sign * outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + sign * outerTickSize);
  	        }
  	        lineEnter.attr(y2, sign * innerTickSize);
  	        textEnter.attr(y1, sign * tickSpacing);
  	        lineUpdate.attr(x2, 0).attr(y2, sign * innerTickSize);
  	        textUpdate.attr(x1, 0).attr(y1, sign * tickSpacing);
  	        if (scale1.rangeBand) {
  	          var x = scale1, dx = x.rangeBand() / 2;
  	          scale0 = scale1 = function(d) {
  	            return x(d) + dx;
  	          };
  	        } else if (scale0.rangeBand) {
  	          scale0 = scale1;
  	        } else {
  	          tickExit.call(tickTransform, scale1, scale0);
  	        }
  	        tickEnter.call(tickTransform, scale0, scale1);
  	        tickUpdate.call(tickTransform, scale1, scale1);
  	      });
  	    }
  	    axis.scale = function(x) {
  	      if (!arguments.length) return scale;
  	      scale = x;
  	      return axis;
  	    };
  	    axis.orient = function(x) {
  	      if (!arguments.length) return orient;
  	      orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient;
  	      return axis;
  	    };
  	    axis.ticks = function() {
  	      if (!arguments.length) return tickArguments_;
  	      tickArguments_ = d3_array(arguments);
  	      return axis;
  	    };
  	    axis.tickValues = function(x) {
  	      if (!arguments.length) return tickValues;
  	      tickValues = x;
  	      return axis;
  	    };
  	    axis.tickFormat = function(x) {
  	      if (!arguments.length) return tickFormat_;
  	      tickFormat_ = x;
  	      return axis;
  	    };
  	    axis.tickSize = function(x) {
  	      var n = arguments.length;
  	      if (!n) return innerTickSize;
  	      innerTickSize = +x;
  	      outerTickSize = +arguments[n - 1];
  	      return axis;
  	    };
  	    axis.innerTickSize = function(x) {
  	      if (!arguments.length) return innerTickSize;
  	      innerTickSize = +x;
  	      return axis;
  	    };
  	    axis.outerTickSize = function(x) {
  	      if (!arguments.length) return outerTickSize;
  	      outerTickSize = +x;
  	      return axis;
  	    };
  	    axis.tickPadding = function(x) {
  	      if (!arguments.length) return tickPadding;
  	      tickPadding = +x;
  	      return axis;
  	    };
  	    axis.tickSubdivide = function() {
  	      return arguments.length && axis;
  	    };
  	    return axis;
  	  };
  	  var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = {
  	    top: 1,
  	    right: 1,
  	    bottom: 1,
  	    left: 1
  	  };
  	  function d3_svg_axisX(selection, x0, x1) {
  	    selection.attr("transform", function(d) {
  	      var v0 = x0(d);
  	      return "translate(" + (isFinite(v0) ? v0 : x1(d)) + ",0)";
  	    });
  	  }
  	  function d3_svg_axisY(selection, y0, y1) {
  	    selection.attr("transform", function(d) {
  	      var v0 = y0(d);
  	      return "translate(0," + (isFinite(v0) ? v0 : y1(d)) + ")";
  	    });
  	  }
  	  d3.svg.brush = function() {
  	    var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, xExtent = [ 0, 0 ], yExtent = [ 0, 0 ], xExtentDomain, yExtentDomain, xClamp = true, yClamp = true, resizes = d3_svg_brushResizes[0];
  	    function brush(g) {
  	      g.each(function() {
  	        var g = d3.select(this).style("pointer-events", "all").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart);
  	        var background = g.selectAll(".background").data([ 0 ]);
  	        background.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair");
  	        g.selectAll(".extent").data([ 0 ]).enter().append("rect").attr("class", "extent").style("cursor", "move");
  	        var resize = g.selectAll(".resize").data(resizes, d3_identity);
  	        resize.exit().remove();
  	        resize.enter().append("g").attr("class", function(d) {
  	          return "resize " + d;
  	        }).style("cursor", function(d) {
  	          return d3_svg_brushCursor[d];
  	        }).append("rect").attr("x", function(d) {
  	          return /[ew]$/.test(d) ? -3 : null;
  	        }).attr("y", function(d) {
  	          return /^[ns]/.test(d) ? -3 : null;
  	        }).attr("width", 6).attr("height", 6).style("visibility", "hidden");
  	        resize.style("display", brush.empty() ? "none" : null);
  	        var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range;
  	        if (x) {
  	          range = d3_scaleRange(x);
  	          backgroundUpdate.attr("x", range[0]).attr("width", range[1] - range[0]);
  	          redrawX(gUpdate);
  	        }
  	        if (y) {
  	          range = d3_scaleRange(y);
  	          backgroundUpdate.attr("y", range[0]).attr("height", range[1] - range[0]);
  	          redrawY(gUpdate);
  	        }
  	        redraw(gUpdate);
  	      });
  	    }
  	    brush.event = function(g) {
  	      g.each(function() {
  	        var event_ = event.of(this, arguments), extent1 = {
  	          x: xExtent,
  	          y: yExtent,
  	          i: xExtentDomain,
  	          j: yExtentDomain
  	        }, extent0 = this.__chart__ || extent1;
  	        this.__chart__ = extent1;
  	        if (d3_transitionInheritId) {
  	          d3.select(this).transition().each("start.brush", function() {
  	            xExtentDomain = extent0.i;
  	            yExtentDomain = extent0.j;
  	            xExtent = extent0.x;
  	            yExtent = extent0.y;
  	            event_({
  	              type: "brushstart"
  	            });
  	          }).tween("brush:brush", function() {
  	            var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y);
  	            xExtentDomain = yExtentDomain = null;
  	            return function(t) {
  	              xExtent = extent1.x = xi(t);
  	              yExtent = extent1.y = yi(t);
  	              event_({
  	                type: "brush",
  	                mode: "resize"
  	              });
  	            };
  	          }).each("end.brush", function() {
  	            xExtentDomain = extent1.i;
  	            yExtentDomain = extent1.j;
  	            event_({
  	              type: "brush",
  	              mode: "resize"
  	            });
  	            event_({
  	              type: "brushend"
  	            });
  	          });
  	        } else {
  	          event_({
  	            type: "brushstart"
  	          });
  	          event_({
  	            type: "brush",
  	            mode: "resize"
  	          });
  	          event_({
  	            type: "brushend"
  	          });
  	        }
  	      });
  	    };
  	    function redraw(g) {
  	      g.selectAll(".resize").attr("transform", function(d) {
  	        return "translate(" + xExtent[+/e$/.test(d)] + "," + yExtent[+/^s/.test(d)] + ")";
  	      });
  	    }
  	    function redrawX(g) {
  	      g.select(".extent").attr("x", xExtent[0]);
  	      g.selectAll(".extent,.n>rect,.s>rect").attr("width", xExtent[1] - xExtent[0]);
  	    }
  	    function redrawY(g) {
  	      g.select(".extent").attr("y", yExtent[0]);
  	      g.selectAll(".extent,.e>rect,.w>rect").attr("height", yExtent[1] - yExtent[0]);
  	    }
  	    function brushstart() {
  	      var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), dragRestore = d3_event_dragSuppress(target), center, origin = d3.mouse(target), offset;
  	      var w = d3.select(d3_window(target)).on("keydown.brush", keydown).on("keyup.brush", keyup);
  	      if (d3.event.changedTouches) {
  	        w.on("touchmove.brush", brushmove).on("touchend.brush", brushend);
  	      } else {
  	        w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend);
  	      }
  	      g.interrupt().selectAll("*").interrupt();
  	      if (dragging) {
  	        origin[0] = xExtent[0] - origin[0];
  	        origin[1] = yExtent[0] - origin[1];
  	      } else if (resizing) {
  	        var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing);
  	        offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ];
  	        origin[0] = xExtent[ex];
  	        origin[1] = yExtent[ey];
  	      } else if (d3.event.altKey) center = origin.slice();
  	      g.style("pointer-events", "none").selectAll(".resize").style("display", null);
  	      d3.select("body").style("cursor", eventTarget.style("cursor"));
  	      event_({
  	        type: "brushstart"
  	      });
  	      brushmove();
  	      function keydown() {
  	        if (d3.event.keyCode == 32) {
  	          if (!dragging) {
  	            center = null;
  	            origin[0] -= xExtent[1];
  	            origin[1] -= yExtent[1];
  	            dragging = 2;
  	          }
  	          d3_eventPreventDefault();
  	        }
  	      }
  	      function keyup() {
  	        if (d3.event.keyCode == 32 && dragging == 2) {
  	          origin[0] += xExtent[1];
  	          origin[1] += yExtent[1];
  	          dragging = 0;
  	          d3_eventPreventDefault();
  	        }
  	      }
  	      function brushmove() {
  	        var point = d3.mouse(target), moved = false;
  	        if (offset) {
  	          point[0] += offset[0];
  	          point[1] += offset[1];
  	        }
  	        if (!dragging) {
  	          if (d3.event.altKey) {
  	            if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ];
  	            origin[0] = xExtent[+(point[0] < center[0])];
  	            origin[1] = yExtent[+(point[1] < center[1])];
  	          } else center = null;
  	        }
  	        if (resizingX && move1(point, x, 0)) {
  	          redrawX(g);
  	          moved = true;
  	        }
  	        if (resizingY && move1(point, y, 1)) {
  	          redrawY(g);
  	          moved = true;
  	        }
  	        if (moved) {
  	          redraw(g);
  	          event_({
  	            type: "brush",
  	            mode: dragging ? "move" : "resize"
  	          });
  	        }
  	      }
  	      function move1(point, scale, i) {
  	        var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], extent = i ? yExtent : xExtent, size = extent[1] - extent[0], min, max;
  	        if (dragging) {
  	          r0 -= position;
  	          r1 -= size + position;
  	        }
  	        min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : point[i];
  	        if (dragging) {
  	          max = (min += position) + size;
  	        } else {
  	          if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));
  	          if (position < min) {
  	            max = min;
  	            min = position;
  	          } else {
  	            max = position;
  	          }
  	        }
  	        if (extent[0] != min || extent[1] != max) {
  	          if (i) yExtentDomain = null; else xExtentDomain = null;
  	          extent[0] = min;
  	          extent[1] = max;
  	          return true;
  	        }
  	      }
  	      function brushend() {
  	        brushmove();
  	        g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);
  	        d3.select("body").style("cursor", null);
  	        w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null);
  	        dragRestore();
  	        event_({
  	          type: "brushend"
  	        });
  	      }
  	    }
  	    brush.x = function(z) {
  	      if (!arguments.length) return x;
  	      x = z;
  	      resizes = d3_svg_brushResizes[!x << 1 | !y];
  	      return brush;
  	    };
  	    brush.y = function(z) {
  	      if (!arguments.length) return y;
  	      y = z;
  	      resizes = d3_svg_brushResizes[!x << 1 | !y];
  	      return brush;
  	    };
  	    brush.clamp = function(z) {
  	      if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null;
  	      if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z;
  	      return brush;
  	    };
  	    brush.extent = function(z) {
  	      var x0, x1, y0, y1, t;
  	      if (!arguments.length) {
  	        if (x) {
  	          if (xExtentDomain) {
  	            x0 = xExtentDomain[0], x1 = xExtentDomain[1];
  	          } else {
  	            x0 = xExtent[0], x1 = xExtent[1];
  	            if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
  	            if (x1 < x0) t = x0, x0 = x1, x1 = t;
  	          }
  	        }
  	        if (y) {
  	          if (yExtentDomain) {
  	            y0 = yExtentDomain[0], y1 = yExtentDomain[1];
  	          } else {
  	            y0 = yExtent[0], y1 = yExtent[1];
  	            if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
  	            if (y1 < y0) t = y0, y0 = y1, y1 = t;
  	          }
  	        }
  	        return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ];
  	      }
  	      if (x) {
  	        x0 = z[0], x1 = z[1];
  	        if (y) x0 = x0[0], x1 = x1[0];
  	        xExtentDomain = [ x0, x1 ];
  	        if (x.invert) x0 = x(x0), x1 = x(x1);
  	        if (x1 < x0) t = x0, x0 = x1, x1 = t;
  	        if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ];
  	      }
  	      if (y) {
  	        y0 = z[0], y1 = z[1];
  	        if (x) y0 = y0[1], y1 = y1[1];
  	        yExtentDomain = [ y0, y1 ];
  	        if (y.invert) y0 = y(y0), y1 = y(y1);
  	        if (y1 < y0) t = y0, y0 = y1, y1 = t;
  	        if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ];
  	      }
  	      return brush;
  	    };
  	    brush.clear = function() {
  	      if (!brush.empty()) {
  	        xExtent = [ 0, 0 ], yExtent = [ 0, 0 ];
  	        xExtentDomain = yExtentDomain = null;
  	      }
  	      return brush;
  	    };
  	    brush.empty = function() {
  	      return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[1];
  	    };
  	    return d3.rebind(brush, event, "on");
  	  };
  	  var d3_svg_brushCursor = {
  	    n: "ns-resize",
  	    e: "ew-resize",
  	    s: "ns-resize",
  	    w: "ew-resize",
  	    nw: "nwse-resize",
  	    ne: "nesw-resize",
  	    se: "nwse-resize",
  	    sw: "nesw-resize"
  	  };
  	  var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ];
  	  var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat;
  	  var d3_time_formatUtc = d3_time_format.utc;
  	  var d3_time_formatIso = d3_time_formatUtc("%Y-%m-%dT%H:%M:%S.%LZ");
  	  d3_time_format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso;
  	  function d3_time_formatIsoNative(date) {
  	    return date.toISOString();
  	  }
  	  d3_time_formatIsoNative.parse = function(string) {
  	    var date = new Date(string);
  	    return isNaN(date) ? null : date;
  	  };
  	  d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
  	  d3_time.second = d3_time_interval(function(date) {
  	    return new d3_date(Math.floor(date / 1e3) * 1e3);
  	  }, function(date, offset) {
  	    date.setTime(date.getTime() + Math.floor(offset) * 1e3);
  	  }, function(date) {
  	    return date.getSeconds();
  	  });
  	  d3_time.seconds = d3_time.second.range;
  	  d3_time.seconds.utc = d3_time.second.utc.range;
  	  d3_time.minute = d3_time_interval(function(date) {
  	    return new d3_date(Math.floor(date / 6e4) * 6e4);
  	  }, function(date, offset) {
  	    date.setTime(date.getTime() + Math.floor(offset) * 6e4);
  	  }, function(date) {
  	    return date.getMinutes();
  	  });
  	  d3_time.minutes = d3_time.minute.range;
  	  d3_time.minutes.utc = d3_time.minute.utc.range;
  	  d3_time.hour = d3_time_interval(function(date) {
  	    var timezone = date.getTimezoneOffset() / 60;
  	    return new d3_date((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);
  	  }, function(date, offset) {
  	    date.setTime(date.getTime() + Math.floor(offset) * 36e5);
  	  }, function(date) {
  	    return date.getHours();
  	  });
  	  d3_time.hours = d3_time.hour.range;
  	  d3_time.hours.utc = d3_time.hour.utc.range;
  	  d3_time.month = d3_time_interval(function(date) {
  	    date = d3_time.day(date);
  	    date.setDate(1);
  	    return date;
  	  }, function(date, offset) {
  	    date.setMonth(date.getMonth() + offset);
  	  }, function(date) {
  	    return date.getMonth();
  	  });
  	  d3_time.months = d3_time.month.range;
  	  d3_time.months.utc = d3_time.month.utc.range;
  	  function d3_time_scale(linear, methods, format) {
  	    function scale(x) {
  	      return linear(x);
  	    }
  	    scale.invert = function(x) {
  	      return d3_time_scaleDate(linear.invert(x));
  	    };
  	    scale.domain = function(x) {
  	      if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
  	      linear.domain(x);
  	      return scale;
  	    };
  	    function tickMethod(extent, count) {
  	      var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target);
  	      return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) {
  	        return d / 31536e6;
  	      }), count)[2] ] : !i ? [ d3_time_scaleMilliseconds, d3_scale_linearTickRange(extent, count)[2] ] : methods[target / d3_time_scaleSteps[i - 1] < d3_time_scaleSteps[i] / target ? i - 1 : i];
  	    }
  	    scale.nice = function(interval, skip) {
  	      var domain = scale.domain(), extent = d3_scaleExtent(domain), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" && tickMethod(extent, interval);
  	      if (method) interval = method[0], skip = method[1];
  	      function skipped(date) {
  	        return !isNaN(date) && !interval.range(date, d3_time_scaleDate(+date + 1), skip).length;
  	      }
  	      return scale.domain(d3_scale_nice(domain, skip > 1 ? {
  	        floor: function(date) {
  	          while (skipped(date = interval.floor(date))) date = d3_time_scaleDate(date - 1);
  	          return date;
  	        },
  	        ceil: function(date) {
  	          while (skipped(date = interval.ceil(date))) date = d3_time_scaleDate(+date + 1);
  	          return date;
  	        }
  	      } : interval));
  	    };
  	    scale.ticks = function(interval, skip) {
  	      var extent = d3_scaleExtent(scale.domain()), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" ? tickMethod(extent, interval) : !interval.range && [ {
  	        range: interval
  	      }, skip ];
  	      if (method) interval = method[0], skip = method[1];
  	      return interval.range(extent[0], d3_time_scaleDate(+extent[1] + 1), skip < 1 ? 1 : skip);
  	    };
  	    scale.tickFormat = function() {
  	      return format;
  	    };
  	    scale.copy = function() {
  	      return d3_time_scale(linear.copy(), methods, format);
  	    };
  	    return d3_scale_linearRebind(scale, linear);
  	  }
  	  function d3_time_scaleDate(t) {
  	    return new Date(t);
  	  }
  	  var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ];
  	  var d3_time_scaleLocalMethods = [ [ d3_time.second, 1 ], [ d3_time.second, 5 ], [ d3_time.second, 15 ], [ d3_time.second, 30 ], [ d3_time.minute, 1 ], [ d3_time.minute, 5 ], [ d3_time.minute, 15 ], [ d3_time.minute, 30 ], [ d3_time.hour, 1 ], [ d3_time.hour, 3 ], [ d3_time.hour, 6 ], [ d3_time.hour, 12 ], [ d3_time.day, 1 ], [ d3_time.day, 2 ], [ d3_time.week, 1 ], [ d3_time.month, 1 ], [ d3_time.month, 3 ], [ d3_time.year, 1 ] ];
  	  var d3_time_scaleLocalFormat = d3_time_format.multi([ [ ".%L", function(d) {
  	    return d.getMilliseconds();
  	  } ], [ ":%S", function(d) {
  	    return d.getSeconds();
  	  } ], [ "%I:%M", function(d) {
  	    return d.getMinutes();
  	  } ], [ "%I %p", function(d) {
  	    return d.getHours();
  	  } ], [ "%a %d", function(d) {
  	    return d.getDay() && d.getDate() != 1;
  	  } ], [ "%b %d", function(d) {
  	    return d.getDate() != 1;
  	  } ], [ "%B", function(d) {
  	    return d.getMonth();
  	  } ], [ "%Y", d3_true ] ]);
  	  var d3_time_scaleMilliseconds = {
  	    range: function(start, stop, step) {
  	      return d3.range(Math.ceil(start / step) * step, +stop, step).map(d3_time_scaleDate);
  	    },
  	    floor: d3_identity,
  	    ceil: d3_identity
  	  };
  	  d3_time_scaleLocalMethods.year = d3_time.year;
  	  d3_time.scale = function() {
  	    return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
  	  };
  	  var d3_time_scaleUtcMethods = d3_time_scaleLocalMethods.map(function(m) {
  	    return [ m[0].utc, m[1] ];
  	  });
  	  var d3_time_scaleUtcFormat = d3_time_formatUtc.multi([ [ ".%L", function(d) {
  	    return d.getUTCMilliseconds();
  	  } ], [ ":%S", function(d) {
  	    return d.getUTCSeconds();
  	  } ], [ "%I:%M", function(d) {
  	    return d.getUTCMinutes();
  	  } ], [ "%I %p", function(d) {
  	    return d.getUTCHours();
  	  } ], [ "%a %d", function(d) {
  	    return d.getUTCDay() && d.getUTCDate() != 1;
  	  } ], [ "%b %d", function(d) {
  	    return d.getUTCDate() != 1;
  	  } ], [ "%B", function(d) {
  	    return d.getUTCMonth();
  	  } ], [ "%Y", d3_true ] ]);
  	  d3_time_scaleUtcMethods.year = d3_time.year.utc;
  	  d3_time.scale.utc = function() {
  	    return d3_time_scale(d3.scale.linear(), d3_time_scaleUtcMethods, d3_time_scaleUtcFormat);
  	  };
  	  d3.text = d3_xhrType(function(request) {
  	    return request.responseText;
  	  });
  	  d3.json = function(url, callback) {
  	    return d3_xhr(url, "application/json", d3_json, callback);
  	  };
  	  function d3_json(request) {
  	    return JSON.parse(request.responseText);
  	  }
  	  d3.html = function(url, callback) {
  	    return d3_xhr(url, "text/html", d3_html, callback);
  	  };
  	  function d3_html(request) {
  	    var range = d3_document.createRange();
  	    range.selectNode(d3_document.body);
  	    return range.createContextualFragment(request.responseText);
  	  }
  	  d3.xml = d3_xhrType(function(request) {
  	    return request.responseXML;
  	  });
  	  if (true) this.d3 = d3, !(__WEBPACK_AMD_DEFINE_FACTORY__ = (d3), __WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ? (__WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __webpack_require__, exports, module)) : __WEBPACK_AMD_DEFINE_FACTORY__), __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); else if (typeof module === "object" && module.exports) module.exports = d3; else this.d3 = d3;
  	}();
  
  /***/ },
  
  /***/ 494:
  /***/ function(module, exports, __webpack_require__) {
  
  	/* nvd3 version 1.8.4 (https://github.com/novus/nvd3) 2016-07-03 */
  	(function(){
  	
  	// set up main nv object
  	var nv = {};
  	
  	// the major global objects under the nv namespace
  	nv.dev = false; //set false when in production
  	nv.tooltip = nv.tooltip || {}; // For the tooltip system
  	nv.utils = nv.utils || {}; // Utility subsystem
  	nv.models = nv.models || {}; //stores all the possible models/components
  	nv.charts = {}; //stores all the ready to use charts
  	nv.logs = {}; //stores some statistics and potential error messages
  	nv.dom = {}; //DOM manipulation functions
  	
  	// Node/CommonJS - require D3
  	if (typeof(module) !== 'undefined' && typeof(exports) !== 'undefined' && typeof(d3) == 'undefined') {
  	    d3 = __webpack_require__(493);
  	}
  	
  	nv.dispatch = d3.dispatch('render_start', 'render_end');
  	
  	// Function bind polyfill
  	// Needed ONLY for phantomJS as it's missing until version 2.0 which is unreleased as of this comment
  	// https://github.com/ariya/phantomjs/issues/10522
  	// http://kangax.github.io/compat-table/es5/#Function.prototype.bind
  	// phantomJS is used for running the test suite
  	if (!Function.prototype.bind) {
  	    Function.prototype.bind = function (oThis) {
  	        if (typeof this !== "function") {
  	            // closest thing possible to the ECMAScript 5 internal IsCallable function
  	            throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
  	        }
  	
  	        var aArgs = Array.prototype.slice.call(arguments, 1),
  	            fToBind = this,
  	            fNOP = function () {},
  	            fBound = function () {
  	                return fToBind.apply(this instanceof fNOP && oThis
  	                        ? this
  	                        : oThis,
  	                    aArgs.concat(Array.prototype.slice.call(arguments)));
  	            };
  	
  	        fNOP.prototype = this.prototype;
  	        fBound.prototype = new fNOP();
  	        return fBound;
  	    };
  	}
  	
  	//  Development render timers - disabled if dev = false
  	if (nv.dev) {
  	    nv.dispatch.on('render_start', function(e) {
  	        nv.logs.startTime = +new Date();
  	    });
  	
  	    nv.dispatch.on('render_end', function(e) {
  	        nv.logs.endTime = +new Date();
  	        nv.logs.totalTime = nv.logs.endTime - nv.logs.startTime;
  	        nv.log('total', nv.logs.totalTime); // used for development, to keep track of graph generation times
  	    });
  	}
  	
  	// Logs all arguments, and returns the last so you can test things in place
  	// Note: in IE8 console.log is an object not a function, and if modernizr is used
  	// then calling Function.prototype.bind with with anything other than a function
  	// causes a TypeError to be thrown.
  	nv.log = function() {
  	    if (nv.dev && window.console && console.log && console.log.apply)
  	        console.log.apply(console, arguments);
  	    else if (nv.dev && window.console && typeof console.log == "function" && Function.prototype.bind) {
  	        var log = Function.prototype.bind.call(console.log, console);
  	        log.apply(console, arguments);
  	    }
  	    return arguments[arguments.length - 1];
  	};
  	
  	// print console warning, should be used by deprecated functions
  	nv.deprecated = function(name, info) {
  	    if (console && console.warn) {
  	        console.warn('nvd3 warning: `' + name + '` has been deprecated. ', info || '');
  	    }
  	};
  	
  	// The nv.render function is used to queue up chart rendering
  	// in non-blocking async functions.
  	// When all queued charts are done rendering, nv.dispatch.render_end is invoked.
  	nv.render = function render(step) {
  	    // number of graphs to generate in each timeout loop
  	    step = step || 1;
  	
  	    nv.render.active = true;
  	    nv.dispatch.render_start();
  	
  	    var renderLoop = function() {
  	        var chart, graph;
  	
  	        for (var i = 0; i < step && (graph = nv.render.queue[i]); i++) {
  	            chart = graph.generate();
  	            if (typeof graph.callback == typeof(Function)) graph.callback(chart);
  	        }
  	
  	        nv.render.queue.splice(0, i);
  	
  	        if (nv.render.queue.length) {
  	            setTimeout(renderLoop);
  	        }
  	        else {
  	            nv.dispatch.render_end();
  	            nv.render.active = false;
  	        }
  	    };
  	
  	    setTimeout(renderLoop);
  	};
  	
  	nv.render.active = false;
  	nv.render.queue = [];
  	
  	/*
  	Adds a chart to the async rendering queue. This method can take arguments in two forms:
  	nv.addGraph({
  	    generate: <Function>
  	    callback: <Function>
  	})
  	
  	or
  	
  	nv.addGraph(<generate Function>, <callback Function>)
  	
  	The generate function should contain code that creates the NVD3 model, sets options
  	on it, adds data to an SVG element, and invokes the chart model. The generate function
  	should return the chart model.  See examples/lineChart.html for a usage example.
  	
  	The callback function is optional, and it is called when the generate function completes.
  	*/
  	nv.addGraph = function(obj) {
  	    if (typeof arguments[0] === typeof(Function)) {
  	        obj = {generate: arguments[0], callback: arguments[1]};
  	    }
  	
  	    nv.render.queue.push(obj);
  	
  	    if (!nv.render.active) {
  	        nv.render();
  	    }
  	};
  	
  	// Node/CommonJS exports
  	if (true) {
  	  module.exports = nv;
  	}
  	
  	if (typeof(window) !== 'undefined') {
  	  window.nv = nv;
  	}
  	/* Facade for queueing DOM write operations
  	 * with Fastdom (https://github.com/wilsonpage/fastdom)
  	 * if available.
  	 * This could easily be extended to support alternate
  	 * implementations in the future.
  	 */
  	nv.dom.write = function(callback) {
  		if (window.fastdom !== undefined) {
  			return fastdom.mutate(callback);
  		}
  		return callback();
  	};
  	
  	/* Facade for queueing DOM read operations
  	 * with Fastdom (https://github.com/wilsonpage/fastdom)
  	 * if available.
  	 * This could easily be extended to support alternate
  	 * implementations in the future.
  	 */
  	nv.dom.read = function(callback) {
  		if (window.fastdom !== undefined) {
  			return fastdom.measure(callback);
  		}
  		return callback();
  	};
  	/* Utility class to handle creation of an interactive layer.
  	 This places a rectangle on top of the chart. When you mouse move over it, it sends a dispatch
  	 containing the X-coordinate. It can also render a vertical line where the mouse is located.
  	
  	 dispatch.elementMousemove is the important event to latch onto.  It is fired whenever the mouse moves over
  	 the rectangle. The dispatch is given one object which contains the mouseX/Y location.
  	 It also has 'pointXValue', which is the conversion of mouseX to the x-axis scale.
  	 */
  	nv.interactiveGuideline = function() {
  	    "use strict";
  	
  	    var margin = { left: 0, top: 0 } //Pass the chart's top and left magins. Used to calculate the mouseX/Y.
  	        ,   width = null
  	        ,   height = null
  	        ,   xScale = d3.scale.linear()
  	        ,   dispatch = d3.dispatch('elementMousemove', 'elementMouseout', 'elementClick', 'elementDblclick', 'elementMouseDown', 'elementMouseUp')
  	        ,   showGuideLine = true
  	        ,   svgContainer = null // Must pass the chart's svg, we'll use its mousemove event.
  	        ,   tooltip = nv.models.tooltip()
  	        ,   isMSIE =  window.ActiveXObject// Checkt if IE by looking for activeX. (excludes IE11)
  	    ;
  	
  	    tooltip
  	        .duration(0)
  	        .hideDelay(0)
  	        .hidden(false);
  	
  	    function layer(selection) {
  	        selection.each(function(data) {
  	            var container = d3.select(this);
  	            var availableWidth = (width || 960), availableHeight = (height || 400);
  	            var wrap = container.selectAll("g.nv-wrap.nv-interactiveLineLayer")
  	                .data([data]);
  	            var wrapEnter = wrap.enter()
  	                .append("g").attr("class", " nv-wrap nv-interactiveLineLayer");
  	            wrapEnter.append("g").attr("class","nv-interactiveGuideLine");
  	
  	            if (!svgContainer) {
  	                return;
  	            }
  	
  	            function mouseHandler() {
  	                var d3mouse = d3.mouse(this);
  	                var mouseX = d3mouse[0];
  	                var mouseY = d3mouse[1];
  	                var subtractMargin = true;
  	                var mouseOutAnyReason = false;
  	                if (isMSIE) {
  	                    /*
  	                     D3.js (or maybe SVG.getScreenCTM) has a nasty bug in Internet Explorer 10.
  	                     d3.mouse() returns incorrect X,Y mouse coordinates when mouse moving
  	                     over a rect in IE 10.
  	                     However, d3.event.offsetX/Y also returns the mouse coordinates
  	                     relative to the triggering <rect>. So we use offsetX/Y on IE.
  	                     */
  	                    mouseX = d3.event.offsetX;
  	                    mouseY = d3.event.offsetY;
  	
  	                    /*
  	                     On IE, if you attach a mouse event listener to the <svg> container,
  	                     it will actually trigger it for all the child elements (like <path>, <circle>, etc).
  	                     When this happens on IE, the offsetX/Y is set to where ever the child element
  	                     is located.
  	                     As a result, we do NOT need to subtract margins to figure out the mouse X/Y
  	                     position under this scenario. Removing the line below *will* cause
  	                     the interactive layer to not work right on IE.
  	                     */
  	                    if(d3.event.target.tagName !== "svg") {
  	                        subtractMargin = false;
  	                    }
  	
  	                    if (d3.event.target.className.baseVal.match("nv-legend")) {
  	                        mouseOutAnyReason = true;
  	                    }
  	
  	                }
  	
  	                if(subtractMargin) {
  	                    mouseX -= margin.left;
  	                    mouseY -= margin.top;
  	                }
  	
  	                /* If mouseX/Y is outside of the chart's bounds,
  	                 trigger a mouseOut event.
  	                 */
  	                if (d3.event.type === 'mouseout'
  	                    || mouseX < 0 || mouseY < 0
  	                    || mouseX > availableWidth || mouseY > availableHeight
  	                    || (d3.event.relatedTarget && d3.event.relatedTarget.ownerSVGElement === undefined)
  	                    || mouseOutAnyReason
  	                    ) {
  	
  	                    if (isMSIE) {
  	                        if (d3.event.relatedTarget
  	                            && d3.event.relatedTarget.ownerSVGElement === undefined
  	                            && (d3.event.relatedTarget.className === undefined
  	                                || d3.event.relatedTarget.className.match(tooltip.nvPointerEventsClass))) {
  	
  	                            return;
  	                        }
  	                    }
  	                    dispatch.elementMouseout({
  	                        mouseX: mouseX,
  	                        mouseY: mouseY
  	                    });
  	                    layer.renderGuideLine(null); //hide the guideline
  	                    tooltip.hidden(true);
  	                    return;
  	                } else {
  	                    tooltip.hidden(false);
  	                }
  	
  	
  	                var scaleIsOrdinal = typeof xScale.rangeBands === 'function';
  	                var pointXValue = undefined;
  	
  	                // Ordinal scale has no invert method
  	                if (scaleIsOrdinal) {
  	                    var elementIndex = d3.bisect(xScale.range(), mouseX) - 1;
  	                    // Check if mouseX is in the range band
  	                    if (xScale.range()[elementIndex] + xScale.rangeBand() >= mouseX) {
  	                        pointXValue = xScale.domain()[d3.bisect(xScale.range(), mouseX) - 1];
  	                    }
  	                    else {
  	                        dispatch.elementMouseout({
  	                            mouseX: mouseX,
  	                            mouseY: mouseY
  	                        });
  	                        layer.renderGuideLine(null); //hide the guideline
  	                        tooltip.hidden(true);
  	                        return;
  	                    }
  	                }
  	                else {
  	                    pointXValue = xScale.invert(mouseX);
  	                }
  	
  	                dispatch.elementMousemove({
  	                    mouseX: mouseX,
  	                    mouseY: mouseY,
  	                    pointXValue: pointXValue
  	                });
  	
  	                //If user double clicks the layer, fire a elementDblclick
  	                if (d3.event.type === "dblclick") {
  	                    dispatch.elementDblclick({
  	                        mouseX: mouseX,
  	                        mouseY: mouseY,
  	                        pointXValue: pointXValue
  	                    });
  	                }
  	
  	                // if user single clicks the layer, fire elementClick
  	                if (d3.event.type === 'click') {
  	                    dispatch.elementClick({
  	                        mouseX: mouseX,
  	                        mouseY: mouseY,
  	                        pointXValue: pointXValue
  	                    });
  	                }
  	
  	                // if user presses mouse down the layer, fire elementMouseDown
  	                if (d3.event.type === 'mousedown') {
  	                	dispatch.elementMouseDown({
  	                		mouseX: mouseX,
  	                		mouseY: mouseY,
  	                		pointXValue: pointXValue
  	                	});
  	                }
  	
  	                // if user presses mouse down the layer, fire elementMouseUp
  	                if (d3.event.type === 'mouseup') {
  	                	dispatch.elementMouseUp({
  	                		mouseX: mouseX,
  	                		mouseY: mouseY,
  	                		pointXValue: pointXValue
  	                	});
  	                }
  	            }
  	
  	            svgContainer
  	                .on("touchmove",mouseHandler)
  	                .on("mousemove",mouseHandler, true)
  	                .on("mouseout" ,mouseHandler,true)
  	                .on("mousedown" ,mouseHandler,true)
  	                .on("mouseup" ,mouseHandler,true)
  	                .on("dblclick" ,mouseHandler)
  	                .on("click", mouseHandler)
  	            ;
  	
  	            layer.guideLine = null;
  	            //Draws a vertical guideline at the given X postion.
  	            layer.renderGuideLine = function(x) {
  	                if (!showGuideLine) return;
  	                if (layer.guideLine && layer.guideLine.attr("x1") === x) return;
  	                nv.dom.write(function() {
  	                    var line = wrap.select(".nv-interactiveGuideLine")
  	                        .selectAll("line")
  	                        .data((x != null) ? [nv.utils.NaNtoZero(x)] : [], String);
  	                    line.enter()
  	                        .append("line")
  	                        .attr("class", "nv-guideline")
  	                        .attr("x1", function(d) { return d;})
  	                        .attr("x2", function(d) { return d;})
  	                        .attr("y1", availableHeight)
  	                        .attr("y2",0);
  	                    line.exit().remove();
  	                });
  	            }
  	        });
  	    }
  	
  	    layer.dispatch = dispatch;
  	    layer.tooltip = tooltip;
  	
  	    layer.margin = function(_) {
  	        if (!arguments.length) return margin;
  	        margin.top    = typeof _.top    != 'undefined' ? _.top    : margin.top;
  	        margin.left   = typeof _.left   != 'undefined' ? _.left   : margin.left;
  	        return layer;
  	    };
  	
  	    layer.width = function(_) {
  	        if (!arguments.length) return width;
  	        width = _;
  	        return layer;
  	    };
  	
  	    layer.height = function(_) {
  	        if (!arguments.length) return height;
  	        height = _;
  	        return layer;
  	    };
  	
  	    layer.xScale = function(_) {
  	        if (!arguments.length) return xScale;
  	        xScale = _;
  	        return layer;
  	    };
  	
  	    layer.showGuideLine = function(_) {
  	        if (!arguments.length) return showGuideLine;
  	        showGuideLine = _;
  	        return layer;
  	    };
  	
  	    layer.svgContainer = function(_) {
  	        if (!arguments.length) return svgContainer;
  	        svgContainer = _;
  	        return layer;
  	    };
  	
  	    return layer;
  	};
  	
  	/* Utility class that uses d3.bisect to find the index in a given array, where a search value can be inserted.
  	 This is different from normal bisectLeft; this function finds the nearest index to insert the search value.
  	
  	 For instance, lets say your array is [1,2,3,5,10,30], and you search for 28.
  	 Normal d3.bisectLeft will return 4, because 28 is inserted after the number 10.  But interactiveBisect will return 5
  	 because 28 is closer to 30 than 10.
  	
  	 Unit tests can be found in: interactiveBisectTest.html
  	
  	 Has the following known issues:
  	 * Will not work if the data points move backwards (ie, 10,9,8,7, etc) or if the data points are in random order.
  	 * Won't work if there are duplicate x coordinate values.
  	 */
  	nv.interactiveBisect = function (values, searchVal, xAccessor) {
  	    "use strict";
  	    if (! (values instanceof Array)) {
  	        return null;
  	    }
  	    var _xAccessor;
  	    if (typeof xAccessor !== 'function') {
  	        _xAccessor = function(d) {
  	            return d.x;
  	        }
  	    } else {
  	        _xAccessor = xAccessor;
  	    }
  	    var _cmp = function(d, v) {
  	        // Accessors are no longer passed the index of the element along with
  	        // the element itself when invoked by d3.bisector.
  	        //
  	        // Starting at D3 v3.4.4, d3.bisector() started inspecting the
  	        // function passed to determine if it should consider it an accessor
  	        // or a comparator. This meant that accessors that take two arguments
  	        // (expecting an index as the second parameter) are treated as
  	        // comparators where the second argument is the search value against
  	        // which the first argument is compared.
  	        return _xAccessor(d) - v;
  	    };
  	
  	    var bisect = d3.bisector(_cmp).left;
  	    var index = d3.max([0, bisect(values,searchVal) - 1]);
  	    var currentValue = _xAccessor(values[index]);
  	
  	    if (typeof currentValue === 'undefined') {
  	        currentValue = index;
  	    }
  	
  	    if (currentValue === searchVal) {
  	        return index; //found exact match
  	    }
  	
  	    var nextIndex = d3.min([index+1, values.length - 1]);
  	    var nextValue = _xAccessor(values[nextIndex]);
  	
  	    if (typeof nextValue === 'undefined') {
  	        nextValue = nextIndex;
  	    }
  	
  	    if (Math.abs(nextValue - searchVal) >= Math.abs(currentValue - searchVal)) {
  	        return index;
  	    } else {
  	        return nextIndex
  	    }
  	};
  	
  	/*
  	 Returns the index in the array "values" that is closest to searchVal.
  	 Only returns an index if searchVal is within some "threshold".
  	 Otherwise, returns null.
  	 */
  	nv.nearestValueIndex = function (values, searchVal, threshold) {
  	    "use strict";
  	    var yDistMax = Infinity, indexToHighlight = null;
  	    values.forEach(function(d,i) {
  	        var delta = Math.abs(searchVal - d);
  	        if ( d != null && delta <= yDistMax && delta < threshold) {
  	            yDistMax = delta;
  	            indexToHighlight = i;
  	        }
  	    });
  	    return indexToHighlight;
  	};
  	
  	/* Model which can be instantiated to handle tooltip rendering.
  	 Example usage:
  	 var tip = nv.models.tooltip().gravity('w').distance(23)
  	 .data(myDataObject);
  	
  	 tip();    //just invoke the returned function to render tooltip.
  	 */
  	nv.models.tooltip = function() {
  	    "use strict";
  	
  	    /*
  	    Tooltip data. If data is given in the proper format, a consistent tooltip is generated.
  	    Example Format of data:
  	    {
  	        key: "Date",
  	        value: "August 2009",
  	        series: [
  	            {key: "Series 1", value: "Value 1", color: "#000"},
  	            {key: "Series 2", value: "Value 2", color: "#00f"}
  	        ]
  	    }
  	    */
  	    var id = "nvtooltip-" + Math.floor(Math.random() * 100000) // Generates a unique id when you create a new tooltip() object.
  	        ,   data = null
  	        ,   gravity = 'w'   // Can be 'n','s','e','w'. Determines how tooltip is positioned.
  	        ,   distance = 25 // Distance to offset tooltip from the mouse location.
  	        ,   snapDistance = 0   // Tolerance allowed before tooltip is moved from its current position (creates 'snapping' effect)
  	        ,   classes = null  // Attaches additional CSS classes to the tooltip DIV that is created.
  	        ,   hidden = true  // Start off hidden, toggle with hide/show functions below.
  	        ,   hideDelay = 200  // Delay (in ms) before the tooltip hides after calling hide().
  	        ,   tooltip = null // d3 select of the tooltip div.
  	        ,   lastPosition = { left: null, top: null } // Last position the tooltip was in.
  	        ,   enabled = true  // True -> tooltips are rendered. False -> don't render tooltips.
  	        ,   duration = 100 // Tooltip movement duration, in ms.
  	        ,   headerEnabled = true // If is to show the tooltip header.
  	        ,   nvPointerEventsClass = "nv-pointer-events-none" // CSS class to specify whether element should not have mouse events.
  	    ;
  	
  	    // Format function for the tooltip values column.
  	    var valueFormatter = function(d, i) {
  	        return d;
  	    };
  	
  	    // Format function for the tooltip header value.
  	    var headerFormatter = function(d) {
  	        return d;
  	    };
  	
  	    var keyFormatter = function(d, i) {
  	        return d;
  	    };
  	
  	    // By default, the tooltip model renders a beautiful table inside a DIV.
  	    // You can override this function if a custom tooltip is desired.
  	    var contentGenerator = function(d) {
  	        if (d === null) {
  	            return '';
  	        }
  	
  	        var table = d3.select(document.createElement("table"));
  	        if (headerEnabled) {
  	            var theadEnter = table.selectAll("thead")
  	                .data([d])
  	                .enter().append("thead");
  	
  	            theadEnter.append("tr")
  	                .append("td")
  	                .attr("colspan", 3)
  	                .append("strong")
  	                .classed("x-value", true)
  	                .html(headerFormatter(d.value));
  	        }
  	
  	        var tbodyEnter = table.selectAll("tbody")
  	            .data([d])
  	            .enter().append("tbody");
  	
  	        var trowEnter = tbodyEnter.selectAll("tr")
  	                .data(function(p) { return p.series})
  	                .enter()
  	                .append("tr")
  	                .classed("highlight", function(p) { return p.highlight});
  	
  	        trowEnter.append("td")
  	            .classed("legend-color-guide",true)
  	            .append("div")
  	            .style("background-color", function(p) { return p.color});
  	
  	        trowEnter.append("td")
  	            .classed("key",true)
  	            .classed("total",function(p) { return !!p.total})
  	            .html(function(p, i) { return keyFormatter(p.key, i)});
  	
  	        trowEnter.append("td")
  	            .classed("value",true)
  	            .html(function(p, i) { return valueFormatter(p.value, i) });
  	
  	        trowEnter.filter(function (p,i) { return p.percent !== undefined }).append("td")
  	            .classed("percent", true)
  	            .html(function(p, i) { return "(" + d3.format('%')(p.percent) + ")" });
  	
  	        trowEnter.selectAll("td").each(function(p) {
  	            if (p.highlight) {
  	                var opacityScale = d3.scale.linear().domain([0,1]).range(["#fff",p.color]);
  	                var opacity = 0.6;
  	                d3.select(this)
  	                    .style("border-bottom-color", opacityScale(opacity))
  	                    .style("border-top-color", opacityScale(opacity))
  	                ;
  	            }
  	        });
  	
  	        var html = table.node().outerHTML;
  	        if (d.footer !== undefined)
  	            html += "<div class='footer'>" + d.footer + "</div>";
  	        return html;
  	
  	    };
  	
  	    /*
  	     Function that returns the position (relative to the viewport/document.body)
  	     the tooltip should be placed in.
  	     Should return: {
  	        left: <leftPos>,
  	        top: <topPos>
  	     }
  	     */
  	    var position = function() {
  	        var pos = {
  	            left: d3.event !== null ? d3.event.clientX : 0,
  	            top: d3.event !== null ? d3.event.clientY : 0
  	        };
  	
  	        if(getComputedStyle(document.body).transform != 'none') {
  	            // Take the offset into account, as now the tooltip is relative
  	            // to document.body.
  	            var client = document.body.getBoundingClientRect();
  	            pos.left -= client.left;
  	            pos.top -= client.top;
  	        }
  	
  	        return pos;
  	    };
  	
  	    var dataSeriesExists = function(d) {
  	        if (d && d.series) {
  	            if (nv.utils.isArray(d.series)) {
  	                return true;
  	            }
  	            // if object, it's okay just convert to array of the object
  	            if (nv.utils.isObject(d.series)) {
  	                d.series = [d.series];
  	                return true;
  	            }
  	        }
  	        return false;
  	    };
  	
  	    // Calculates the gravity offset of the tooltip. Parameter is position of tooltip
  	    // relative to the viewport.
  	    var calcGravityOffset = function(pos) {
  	        var height = tooltip.node().offsetHeight,
  	            width = tooltip.node().offsetWidth,
  	            clientWidth = document.documentElement.clientWidth, // Don't want scrollbars.
  	            clientHeight = document.documentElement.clientHeight, // Don't want scrollbars.
  	            left, top, tmp;
  	
  	        // calculate position based on gravity
  	        switch (gravity) {
  	            case 'e':
  	                left = - width - distance;
  	                top = - (height / 2);
  	                if(pos.left + left < 0) left = distance;
  	                if((tmp = pos.top + top) < 0) top -= tmp;
  	                if((tmp = pos.top + top + height) > clientHeight) top -= tmp - clientHeight;
  	                break;
  	            case 'w':
  	                left = distance;
  	                top = - (height / 2);
  	                if (pos.left + left + width > clientWidth) left = - width - distance;
  	                if ((tmp = pos.top + top) < 0) top -= tmp;
  	                if ((tmp = pos.top + top + height) > clientHeight) top -= tmp - clientHeight;
  	                break;
  	            case 'n':
  	                left = - (width / 2) - 5; // - 5 is an approximation of the mouse's height.
  	                top = distance;
  	                if (pos.top + top + height > clientHeight) top = - height - distance;
  	                if ((tmp = pos.left + left) < 0) left -= tmp;
  	                if ((tmp = pos.left + left + width) > clientWidth) left -= tmp - clientWidth;
  	                break;
  	            case 's':
  	                left = - (width / 2);
  	                top = - height - distance;
  	                if (pos.top + top < 0) top = distance;
  	                if ((tmp = pos.left + left) < 0) left -= tmp;
  	                if ((tmp = pos.left + left + width) > clientWidth) left -= tmp - clientWidth;
  	                break;
  	            case 'center':
  	                left = - (width / 2);
  	                top = - (height / 2);
  	                break;
  	            default:
  	                left = 0;
  	                top = 0;
  	                break;
  	        }
  	
  	        return { 'left': left, 'top': top };
  	    };
  	
  	    /*
  	     Positions the tooltip in the correct place, as given by the position() function.
  	     */
  	    var positionTooltip = function() {
  	        nv.dom.read(function() {
  	            var pos = position(),
  	                gravityOffset = calcGravityOffset(pos),
  	                left = pos.left + gravityOffset.left,
  	                top = pos.top + gravityOffset.top;
  	
  	            // delay hiding a bit to avoid flickering
  	            if (hidden) {
  	                tooltip
  	                    .interrupt()
  	                    .transition()
  	                    .delay(hideDelay)
  	                    .duration(0)
  	                    .style('opacity', 0);
  	            } else {
  	                // using tooltip.style('transform') returns values un-usable for tween
  	                var old_translate = 'translate(' + lastPosition.left + 'px, ' + lastPosition.top + 'px)';
  	                var new_translate = 'translate(' + Math.round(left) + 'px, ' + Math.round(top) + 'px)';
  	                var translateInterpolator = d3.interpolateString(old_translate, new_translate);
  	                var is_hidden = tooltip.style('opacity') < 0.1;
  	
  	                tooltip
  	                    .interrupt() // cancel running transitions
  	                    .transition()
  	                    .duration(is_hidden ? 0 : duration)
  	                    // using tween since some versions of d3 can't auto-tween a translate on a div
  	                    .styleTween('transform', function (d) {
  	                        return translateInterpolator;
  	                    }, 'important')
  	                    // Safari has its own `-webkit-transform` and does not support `transform`
  	                    .styleTween('-webkit-transform', function (d) {
  	                        return translateInterpolator;
  	                    })
  	                    .style('-ms-transform', new_translate)
  	                    .style('opacity', 1);
  	            }
  	
  	            lastPosition.left = left;
  	            lastPosition.top = top;
  	        });
  	    };
  	
  	    // Creates new tooltip container, or uses existing one on DOM.
  	    function initTooltip() {
  	        if (!tooltip || !tooltip.node()) {
  	            // Create new tooltip div if it doesn't exist on DOM.
  	
  	            var data = [1];
  	            tooltip = d3.select(document.body).selectAll('.nvtooltip').data(data);
  	
  	            tooltip.enter().append('div')
  	                   .attr("class", "nvtooltip " + (classes ? classes : "xy-tooltip"))
  	                   .attr("id", id)
  	                   .style("top", 0).style("left", 0)
  	                   .style('opacity', 0)
  	                   .style('position', 'fixed')
  	                   .selectAll("div, table, td, tr").classed(nvPointerEventsClass, true)
  	                   .classed(nvPointerEventsClass, true);
  	
  	            tooltip.exit().remove()
  	        }
  	    }
  	
  	    // Draw the tooltip onto the DOM.
  	    function nvtooltip() {
  	        if (!enabled) return;
  	        if (!dataSeriesExists(data)) return;
  	
  	        nv.dom.write(function () {
  	            initTooltip();
  	            // Generate data and set it into tooltip.
  	            // Bonus - If you override contentGenerator and return falsey you can use something like
  	            //         React or Knockout to bind the data for your tooltip.
  	            var newContent = contentGenerator(data);
  	            if (newContent) {
  	                tooltip.node().innerHTML = newContent;
  	            }
  	
  	            positionTooltip();
  	        });
  	
  	        return nvtooltip;
  	    }
  	
  	    nvtooltip.nvPointerEventsClass = nvPointerEventsClass;
  	    nvtooltip.options = nv.utils.optionsFunc.bind(nvtooltip);
  	
  	    nvtooltip._options = Object.create({}, {
  	        // simple read/write options
  	        duration: {get: function(){return duration;}, set: function(_){duration=_;}},
  	        gravity: {get: function(){return gravity;}, set: function(_){gravity=_;}},
  	        distance: {get: function(){return distance;}, set: function(_){distance=_;}},
  	        snapDistance: {get: function(){return snapDistance;}, set: function(_){snapDistance=_;}},
  	        classes: {get: function(){return classes;}, set: function(_){classes=_;}},
  	        enabled: {get: function(){return enabled;}, set: function(_){enabled=_;}},
  	        hideDelay: {get: function(){return hideDelay;}, set: function(_){hideDelay=_;}},
  	        contentGenerator: {get: function(){return contentGenerator;}, set: function(_){contentGenerator=_;}},
  	        valueFormatter: {get: function(){return valueFormatter;}, set: function(_){valueFormatter=_;}},
  	        headerFormatter: {get: function(){return headerFormatter;}, set: function(_){headerFormatter=_;}},
  	        keyFormatter: {get: function(){return keyFormatter;}, set: function(_){keyFormatter=_;}},
  	        headerEnabled: {get: function(){return headerEnabled;}, set: function(_){headerEnabled=_;}},
  	        position: {get: function(){return position;}, set: function(_){position=_;}},
  	
  	        // Deprecated options
  	        chartContainer: {get: function(){return document.body;}, set: function(_){
  	            // deprecated after 1.8.3
  	            nv.deprecated('chartContainer', 'feature removed after 1.8.3');
  	        }},
  	        fixedTop: {get: function(){return null;}, set: function(_){
  	            // deprecated after 1.8.1
  	            nv.deprecated('fixedTop', 'feature removed after 1.8.1');
  	        }},
  	        offset: {get: function(){return {left: 0, top: 0};}, set: function(_){
  	            // deprecated after 1.8.1
  	            nv.deprecated('offset', 'use chart.tooltip.distance() instead');
  	        }},
  	
  	        // options with extra logic
  	        hidden: {get: function(){return hidden;}, set: function(_){
  	            if (hidden != _) {
  	                hidden = !!_;
  	                nvtooltip();
  	            }
  	        }},
  	        data: {get: function(){return data;}, set: function(_){
  	            // if showing a single data point, adjust data format with that
  	            if (_.point) {
  	                _.value = _.point.x;
  	                _.series = _.series || {};
  	                _.series.value = _.point.y;
  	                _.series.color = _.point.color || _.series.color;
  	            }
  	            data = _;
  	        }},
  	
  	        // read only properties
  	        node: {get: function(){return tooltip.node();}, set: function(_){}},
  	        id: {get: function(){return id;}, set: function(_){}}
  	    });
  	
  	    nv.utils.initOptions(nvtooltip);
  	    return nvtooltip;
  	};
  	
  	
  	/*
  	Gets the browser window size
  	
  	Returns object with height and width properties
  	 */
  	nv.utils.windowSize = function() {
  	    // Sane defaults
  	    var size = {width: 640, height: 480};
  	
  	    // Most recent browsers use
  	    if (window.innerWidth && window.innerHeight) {
  	        size.width = window.innerWidth;
  	        size.height = window.innerHeight;
  	        return (size);
  	    }
  	
  	    // IE can use depending on mode it is in
  	    if (document.compatMode=='CSS1Compat' &&
  	        document.documentElement &&
  	        document.documentElement.offsetWidth ) {
  	
  	        size.width = document.documentElement.offsetWidth;
  	        size.height = document.documentElement.offsetHeight;
  	        return (size);
  	    }
  	
  	    // Earlier IE uses Doc.body
  	    if (document.body && document.body.offsetWidth) {
  	        size.width = document.body.offsetWidth;
  	        size.height = document.body.offsetHeight;
  	        return (size);
  	    }
  	
  	    return (size);
  	};
  	
  	
  	/* handle dumb browser quirks...  isinstance breaks if you use frames
  	typeof returns 'object' for null, NaN is a number, etc.
  	 */
  	nv.utils.isArray = Array.isArray;
  	nv.utils.isObject = function(a) {
  	    return a !== null && typeof a === 'object';
  	};
  	nv.utils.isFunction = function(a) {
  	    return typeof a === 'function';
  	};
  	nv.utils.isDate = function(a) {
  	    return toString.call(a) === '[object Date]';
  	};
  	nv.utils.isNumber = function(a) {
  	    return !isNaN(a) && typeof a === 'number';
  	};
  	
  	
  	/*
  	Binds callback function to run when window is resized
  	 */
  	nv.utils.windowResize = function(handler) {
  	    if (window.addEventListener) {
  	        window.addEventListener('resize', handler);
  	    } else {
  	        nv.log("ERROR: Failed to bind to window.resize with: ", handler);
  	    }
  	    // return object with clear function to remove the single added callback.
  	    return {
  	        callback: handler,
  	        clear: function() {
  	            window.removeEventListener('resize', handler);
  	        }
  	    }
  	};
  	
  	
  	/*
  	Backwards compatible way to implement more d3-like coloring of graphs.
  	Can take in nothing, an array, or a function/scale
  	To use a normal scale, get the range and pass that because we must be able
  	to take two arguments and use the index to keep backward compatibility
  	*/
  	nv.utils.getColor = function(color) {
  	    //if you pass in nothing, get default colors back
  	    if (color === undefined) {
  	        return nv.utils.defaultColor();
  	
  	    //if passed an array, turn it into a color scale
  	    } else if(nv.utils.isArray(color)) {
  	        var color_scale = d3.scale.ordinal().range(color);
  	        return function(d, i) {
  	            var key = i === undefined ? d : i;
  	            return d.color || color_scale(key);
  	        };
  	
  	    //if passed a function or scale, return it, or whatever it may be
  	    //external libs, such as angularjs-nvd3-directives use this
  	    } else {
  	        //can't really help it if someone passes rubbish as color
  	        return color;
  	    }
  	};
  	
  	
  	/*
  	Default color chooser uses a color scale of 20 colors from D3
  	 https://github.com/mbostock/d3/wiki/Ordinal-Scales#categorical-colors
  	 */
  	nv.utils.defaultColor = function() {
  	    // get range of the scale so we'll turn it into our own function.
  	    return nv.utils.getColor(d3.scale.category20().range());
  	};
  	
  	
  	/*
  	Returns a color function that takes the result of 'getKey' for each series and
  	looks for a corresponding color from the dictionary
  	*/
  	nv.utils.customTheme = function(dictionary, getKey, defaultColors) {
  	    // use default series.key if getKey is undefined
  	    getKey = getKey || function(series) { return series.key };
  	    defaultColors = defaultColors || d3.scale.category20().range();
  	
  	    // start at end of default color list and walk back to index 0
  	    var defIndex = defaultColors.length;
  	
  	    return function(series, index) {
  	        var key = getKey(series);
  	        if (nv.utils.isFunction(dictionary[key])) {
  	            return dictionary[key]();
  	        } else if (dictionary[key] !== undefined) {
  	            return dictionary[key];
  	        } else {
  	            // no match in dictionary, use a default color
  	            if (!defIndex) {
  	                // used all the default colors, start over
  	                defIndex = defaultColors.length;
  	            }
  	            defIndex = defIndex - 1;
  	            return defaultColors[defIndex];
  	        }
  	    };
  	};
  	
  	
  	/*
  	From the PJAX example on d3js.org, while this is not really directly needed
  	it's a very cool method for doing pjax, I may expand upon it a little bit,
  	open to suggestions on anything that may be useful
  	*/
  	nv.utils.pjax = function(links, content) {
  	
  	    var load = function(href) {
  	        d3.html(href, function(fragment) {
  	            var target = d3.select(content).node();
  	            target.parentNode.replaceChild(
  	                d3.select(fragment).select(content).node(),
  	                target);
  	            nv.utils.pjax(links, content);
  	        });
  	    };
  	
  	    d3.selectAll(links).on("click", function() {
  	        history.pushState(this.href, this.textContent, this.href);
  	        load(this.href);
  	        d3.event.preventDefault();
  	    });
  	
  	    d3.select(window).on("popstate", function() {
  	        if (d3.event.state) {
  	            load(d3.event.state);
  	        }
  	    });
  	};
  	
  	
  	/*
  	For when we want to approximate the width in pixels for an SVG:text element.
  	Most common instance is when the element is in a display:none; container.
  	Forumla is : text.length * font-size * constant_factor
  	*/
  	nv.utils.calcApproxTextWidth = function (svgTextElem) {
  	    if (nv.utils.isFunction(svgTextElem.style) && nv.utils.isFunction(svgTextElem.text)) {
  	        var fontSize = parseInt(svgTextElem.style("font-size").replace("px",""), 10);
  	        var textLength = svgTextElem.text().length;
  	        return nv.utils.NaNtoZero(textLength * fontSize * 0.5);
  	    }
  	    return 0;
  	};
  	
  	
  	/*
  	Numbers that are undefined, null or NaN, convert them to zeros.
  	*/
  	nv.utils.NaNtoZero = function(n) {
  	    if (!nv.utils.isNumber(n)
  	        || isNaN(n)
  	        || n === null
  	        || n === Infinity
  	        || n === -Infinity) {
  	
  	        return 0;
  	    }
  	    return n;
  	};
  	
  	/*
  	Add a way to watch for d3 transition ends to d3
  	*/
  	d3.selection.prototype.watchTransition = function(renderWatch){
  	    var args = [this].concat([].slice.call(arguments, 1));
  	    return renderWatch.transition.apply(renderWatch, args);
  	};
  	
  	
  	/*
  	Helper object to watch when d3 has rendered something
  	*/
  	nv.utils.renderWatch = function(dispatch, duration) {
  	    if (!(this instanceof nv.utils.renderWatch)) {
  	        return new nv.utils.renderWatch(dispatch, duration);
  	    }
  	
  	    var _duration = duration !== undefined ? duration : 250;
  	    var renderStack = [];
  	    var self = this;
  	
  	    this.models = function(models) {
  	        models = [].slice.call(arguments, 0);
  	        models.forEach(function(model){
  	            model.__rendered = false;
  	            (function(m){
  	                m.dispatch.on('renderEnd', function(arg){
  	                    m.__rendered = true;
  	                    self.renderEnd('model');
  	                });
  	            })(model);
  	
  	            if (renderStack.indexOf(model) < 0) {
  	                renderStack.push(model);
  	            }
  	        });
  	    return this;
  	    };
  	
  	    this.reset = function(duration) {
  	        if (duration !== undefined) {
  	            _duration = duration;
  	        }
  	        renderStack = [];
  	    };
  	
  	    this.transition = function(selection, args, duration) {
  	        args = arguments.length > 1 ? [].slice.call(arguments, 1) : [];
  	
  	        if (args.length > 1) {
  	            duration = args.pop();
  	        } else {
  	            duration = _duration !== undefined ? _duration : 250;
  	        }
  	        selection.__rendered = false;
  	
  	        if (renderStack.indexOf(selection) < 0) {
  	            renderStack.push(selection);
  	        }
  	
  	        if (duration === 0) {
  	            selection.__rendered = true;
  	            selection.delay = function() { return this; };
  	            selection.duration = function() { return this; };
  	            return selection;
  	        } else {
  	            if (selection.length === 0) {
  	                selection.__rendered = true;
  	            } else if (selection.every( function(d){ return !d.length; } )) {
  	                selection.__rendered = true;
  	            } else {
  	                selection.__rendered = false;
  	            }
  	
  	            var n = 0;
  	            return selection
  	                .transition()
  	                .duration(duration)
  	                .each(function(){ ++n; })
  	                .each('end', function(d, i) {
  	                    if (--n === 0) {
  	                        selection.__rendered = true;
  	                        self.renderEnd.apply(this, args);
  	                    }
  	                });
  	        }
  	    };
  	
  	    this.renderEnd = function() {
  	        if (renderStack.every( function(d){ return d.__rendered; } )) {
  	            renderStack.forEach( function(d){ d.__rendered = false; });
  	            dispatch.renderEnd.apply(this, arguments);
  	        }
  	    }
  	
  	};
  	
  	
  	/*
  	Takes multiple objects and combines them into the first one (dst)
  	example:  nv.utils.deepExtend({a: 1}, {a: 2, b: 3}, {c: 4});
  	gives:  {a: 2, b: 3, c: 4}
  	*/
  	nv.utils.deepExtend = function(dst){
  	    var sources = arguments.length > 1 ? [].slice.call(arguments, 1) : [];
  	    sources.forEach(function(source) {
  	        for (var key in source) {
  	            var isArray = nv.utils.isArray(dst[key]);
  	            var isObject = nv.utils.isObject(dst[key]);
  	            var srcObj = nv.utils.isObject(source[key]);
  	
  	            if (isObject && !isArray && srcObj) {
  	                nv.utils.deepExtend(dst[key], source[key]);
  	            } else {
  	                dst[key] = source[key];
  	            }
  	        }
  	    });
  	};
  	
  	
  	/*
  	state utility object, used to track d3 states in the models
  	*/
  	nv.utils.state = function(){
  	    if (!(this instanceof nv.utils.state)) {
  	        return new nv.utils.state();
  	    }
  	    var state = {};
  	    var _self = this;
  	    var _setState = function(){};
  	    var _getState = function(){ return {}; };
  	    var init = null;
  	    var changed = null;
  	
  	    this.dispatch = d3.dispatch('change', 'set');
  	
  	    this.dispatch.on('set', function(state){
  	        _setState(state, true);
  	    });
  	
  	    this.getter = function(fn){
  	        _getState = fn;
  	        return this;
  	    };
  	
  	    this.setter = function(fn, callback) {
  	        if (!callback) {
  	            callback = function(){};
  	        }
  	        _setState = function(state, update){
  	            fn(state);
  	            if (update) {
  	                callback();
  	            }
  	        };
  	        return this;
  	    };
  	
  	    this.init = function(state){
  	        init = init || {};
  	        nv.utils.deepExtend(init, state);
  	    };
  	
  	    var _set = function(){
  	        var settings = _getState();
  	
  	        if (JSON.stringify(settings) === JSON.stringify(state)) {
  	            return false;
  	        }
  	
  	        for (var key in settings) {
  	            if (state[key] === undefined) {
  	                state[key] = {};
  	            }
  	            state[key] = settings[key];
  	            changed = true;
  	        }
  	        return true;
  	    };
  	
  	    this.update = function(){
  	        if (init) {
  	            _setState(init, false);
  	            init = null;
  	        }
  	        if (_set.call(this)) {
  	            this.dispatch.change(state);
  	        }
  	    };
  	
  	};
  	
  	
  	/*
  	Snippet of code you can insert into each nv.models.* to give you the ability to
  	do things like:
  	chart.options({
  	  showXAxis: true,
  	  tooltips: true
  	});
  	
  	To enable in the chart:
  	chart.options = nv.utils.optionsFunc.bind(chart);
  	*/
  	nv.utils.optionsFunc = function(args) {
  	    if (args) {
  	        d3.map(args).forEach((function(key,value) {
  	            if (nv.utils.isFunction(this[key])) {
  	                this[key](value);
  	            }
  	        }).bind(this));
  	    }
  	    return this;
  	};
  	
  	
  	/*
  	numTicks:  requested number of ticks
  	data:  the chart data
  	
  	returns the number of ticks to actually use on X axis, based on chart data
  	to avoid duplicate ticks with the same value
  	*/
  	nv.utils.calcTicksX = function(numTicks, data) {
  	    // find max number of values from all data streams
  	    var numValues = 1;
  	    var i = 0;
  	    for (i; i < data.length; i += 1) {
  	        var stream_len = data[i] && data[i].values ? data[i].values.length : 0;
  	        numValues = stream_len > numValues ? stream_len : numValues;
  	    }
  	    nv.log("Requested number of ticks: ", numTicks);
  	    nv.log("Calculated max values to be: ", numValues);
  	    // make sure we don't have more ticks than values to avoid duplicates
  	    numTicks = numTicks > numValues ? numTicks = numValues - 1 : numTicks;
  	    // make sure we have at least one tick
  	    numTicks = numTicks < 1 ? 1 : numTicks;
  	    // make sure it's an integer
  	    numTicks = Math.floor(numTicks);
  	    nv.log("Calculating tick count as: ", numTicks);
  	    return numTicks;
  	};
  	
  	
  	/*
  	returns number of ticks to actually use on Y axis, based on chart data
  	*/
  	nv.utils.calcTicksY = function(numTicks, data) {
  	    // currently uses the same logic but we can adjust here if needed later
  	    return nv.utils.calcTicksX(numTicks, data);
  	};
  	
  	
  	/*
  	Add a particular option from an options object onto chart
  	Options exposed on a chart are a getter/setter function that returns chart
  	on set to mimic typical d3 option chaining, e.g. svg.option1('a').option2('b');
  	
  	option objects should be generated via Object.create() to provide
  	the option of manipulating data via get/set functions.
  	*/
  	nv.utils.initOption = function(chart, name) {
  	    // if it's a call option, just call it directly, otherwise do get/set
  	    if (chart._calls && chart._calls[name]) {
  	        chart[name] = chart._calls[name];
  	    } else {
  	        chart[name] = function (_) {
  	            if (!arguments.length) return chart._options[name];
  	            chart._overrides[name] = true;
  	            chart._options[name] = _;
  	            return chart;
  	        };
  	        // calling the option as _option will ignore if set by option already
  	        // so nvd3 can set options internally but the stop if set manually
  	        chart['_' + name] = function(_) {
  	            if (!arguments.length) return chart._options[name];
  	            if (!chart._overrides[name]) {
  	                chart._options[name] = _;
  	            }
  	            return chart;
  	        }
  	    }
  	};
  	
  	
  	/*
  	Add all options in an options object to the chart
  	*/
  	nv.utils.initOptions = function(chart) {
  	    chart._overrides = chart._overrides || {};
  	    var ops = Object.getOwnPropertyNames(chart._options || {});
  	    var calls = Object.getOwnPropertyNames(chart._calls || {});
  	    ops = ops.concat(calls);
  	    for (var i in ops) {
  	        nv.utils.initOption(chart, ops[i]);
  	    }
  	};
  	
  	
  	/*
  	Inherit options from a D3 object
  	d3.rebind makes calling the function on target actually call it on source
  	Also use _d3options so we can track what we inherit for documentation and chained inheritance
  	*/
  	nv.utils.inheritOptionsD3 = function(target, d3_source, oplist) {
  	    target._d3options = oplist.concat(target._d3options || []);
  	    oplist.unshift(d3_source);
  	    oplist.unshift(target);
  	    d3.rebind.apply(this, oplist);
  	};
  	
  	
  	/*
  	Remove duplicates from an array
  	*/
  	nv.utils.arrayUnique = function(a) {
  	    return a.sort().filter(function(item, pos) {
  	        return !pos || item != a[pos - 1];
  	    });
  	};
  	
  	
  	/*
  	Keeps a list of custom symbols to draw from in addition to d3.svg.symbol
  	Necessary since d3 doesn't let you extend its list -_-
  	Add new symbols by doing nv.utils.symbols.set('name', function(size){...});
  	*/
  	nv.utils.symbolMap = d3.map();
  	
  	
  	/*
  	Replaces d3.svg.symbol so that we can look both there and our own map
  	 */
  	nv.utils.symbol = function() {
  	    var type,
  	        size = 64;
  	    function symbol(d,i) {
  	        var t = type.call(this,d,i);
  	        var s = size.call(this,d,i);
  	        if (d3.svg.symbolTypes.indexOf(t) !== -1) {
  	            return d3.svg.symbol().type(t).size(s)();
  	        } else {
  	            return nv.utils.symbolMap.get(t)(s);
  	        }
  	    }
  	    symbol.type = function(_) {
  	        if (!arguments.length) return type;
  	        type = d3.functor(_);
  	        return symbol;
  	    };
  	    symbol.size = function(_) {
  	        if (!arguments.length) return size;
  	        size = d3.functor(_);
  	        return symbol;
  	    };
  	    return symbol;
  	};
  	
  	
  	/*
  	Inherit option getter/setter functions from source to target
  	d3.rebind makes calling the function on target actually call it on source
  	Also track via _inherited and _d3options so we can track what we inherit
  	for documentation generation purposes and chained inheritance
  	*/
  	nv.utils.inheritOptions = function(target, source) {
  	    // inherit all the things
  	    var ops = Object.getOwnPropertyNames(source._options || {});
  	    var calls = Object.getOwnPropertyNames(source._calls || {});
  	    var inherited = source._inherited || [];
  	    var d3ops = source._d3options || [];
  	    var args = ops.concat(calls).concat(inherited).concat(d3ops);
  	    args.unshift(source);
  	    args.unshift(target);
  	    d3.rebind.apply(this, args);
  	    // pass along the lists to keep track of them, don't allow duplicates
  	    target._inherited = nv.utils.arrayUnique(ops.concat(calls).concat(inherited).concat(ops).concat(target._inherited || []));
  	    target._d3options = nv.utils.arrayUnique(d3ops.concat(target._d3options || []));
  	};
  	
  	
  	/*
  	Runs common initialize code on the svg before the chart builds
  	*/
  	nv.utils.initSVG = function(svg) {
  	    svg.classed({'nvd3-svg':true});
  	};
  	
  	
  	/*
  	Sanitize and provide default for the container height.
  	*/
  	nv.utils.sanitizeHeight = function(height, container) {
  	    return (height || parseInt(container.style('height'), 10) || 400);
  	};
  	
  	
  	/*
  	Sanitize and provide default for the container width.
  	*/
  	nv.utils.sanitizeWidth = function(width, container) {
  	    return (width || parseInt(container.style('width'), 10) || 960);
  	};
  	
  	
  	/*
  	Calculate the available height for a chart.
  	*/
  	nv.utils.availableHeight = function(height, container, margin) {
  	    return Math.max(0,nv.utils.sanitizeHeight(height, container) - margin.top - margin.bottom);
  	};
  	
  	/*
  	Calculate the available width for a chart.
  	*/
  	nv.utils.availableWidth = function(width, container, margin) {
  	    return Math.max(0,nv.utils.sanitizeWidth(width, container) - margin.left - margin.right);
  	};
  	
  	/*
  	Clear any rendered chart components and display a chart's 'noData' message
  	*/
  	nv.utils.noData = function(chart, container) {
  	    var opt = chart.options(),
  	        margin = opt.margin(),
  	        noData = opt.noData(),
  	        data = (noData == null) ? ["No Data Available."] : [noData],
  	        height = nv.utils.availableHeight(null, container, margin),
  	        width = nv.utils.availableWidth(null, container, margin),
  	        x = margin.left + width/2,
  	        y = margin.top + height/2;
  	
  	    //Remove any previously created chart components
  	    container.selectAll('g').remove();
  	
  	    var noDataText = container.selectAll('.nv-noData').data(data);
  	
  	    noDataText.enter().append('text')
  	        .attr('class', 'nvd3 nv-noData')
  	        .attr('dy', '-.7em')
  	        .style('text-anchor', 'middle');
  	
  	    noDataText
  	        .attr('x', x)
  	        .attr('y', y)
  	        .text(function(t){ return t; });
  	};
  	
  	/*
  	 Wrap long labels.
  	 */
  	nv.utils.wrapTicks = function (text, width) {
  	    text.each(function() {
  	        var text = d3.select(this),
  	            words = text.text().split(/\s+/).reverse(),
  	            word,
  	            line = [],
  	            lineNumber = 0,
  	            lineHeight = 1.1,
  	            y = text.attr("y"),
  	            dy = parseFloat(text.attr("dy")),
  	            tspan = text.text(null).append("tspan").attr("x", 0).attr("y", y).attr("dy", dy + "em");
  	        while (word = words.pop()) {
  	            line.push(word);
  	            tspan.text(line.join(" "));
  	            if (tspan.node().getComputedTextLength() > width) {
  	                line.pop();
  	                tspan.text(line.join(" "));
  	                line = [word];
  	                tspan = text.append("tspan").attr("x", 0).attr("y", y).attr("dy", ++lineNumber * lineHeight + dy + "em").text(word);
  	            }
  	        }
  	    });
  	};
  	
  	/*
  	Check equality of 2 array
  	*/
  	nv.utils.arrayEquals = function (array1, array2) {
  	    if (array1 === array2)
  	        return true;
  	
  	    if (!array1 || !array2)
  	        return false;
  	
  	    // compare lengths - can save a lot of time
  	    if (array1.length != array2.length)
  	        return false;
  	
  	    for (var i = 0,
  	        l = array1.length; i < l; i++) {
  	        // Check if we have nested arrays
  	        if (array1[i] instanceof Array && array2[i] instanceof Array) {
  	            // recurse into the nested arrays
  	            if (!nv.arrayEquals(array1[i], array2[i]))
  	                return false;
  	        } else if (array1[i] != array2[i]) {
  	            // Warning - two different object instances will never be equal: {x:20} != {x:20}
  	            return false;
  	        }
  	    }
  	    return true;
  	};
  	nv.models.axis = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var axis = d3.svg.axis();
  	    var scale = d3.scale.linear();
  	
  	    var margin = {top: 0, right: 0, bottom: 0, left: 0}
  	        , width = 75 //only used for tickLabel currently
  	        , height = 60 //only used for tickLabel currently
  	        , axisLabelText = null
  	        , showMaxMin = true //TODO: showMaxMin should be disabled on all ordinal scaled axes
  	        , rotateLabels = 0
  	        , rotateYLabel = true
  	        , staggerLabels = false
  	        , isOrdinal = false
  	        , ticks = null
  	        , axisLabelDistance = 0
  	        , fontSize = undefined
  	        , duration = 250
  	        , dispatch = d3.dispatch('renderEnd')
  	        ;
  	    axis
  	        .scale(scale)
  	        .orient('bottom')
  	        .tickFormat(function(d) { return d })
  	    ;
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var scale0;
  	    var renderWatch = nv.utils.renderWatch(dispatch, duration);
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        selection.each(function(data) {
  	            var container = d3.select(this);
  	            nv.utils.initSVG(container);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-axis').data([data]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-axis');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            if (ticks !== null)
  	                axis.ticks(ticks);
  	            else if (axis.orient() == 'top' || axis.orient() == 'bottom')
  	                axis.ticks(Math.abs(scale.range()[1] - scale.range()[0]) / 100);
  	
  	            //TODO: consider calculating width/height based on whether or not label is added, for reference in charts using this component
  	            g.watchTransition(renderWatch, 'axis').call(axis);
  	
  	            scale0 = scale0 || axis.scale();
  	
  	            var fmt = axis.tickFormat();
  	            if (fmt == null) {
  	                fmt = scale0.tickFormat();
  	            }
  	
  	            var axisLabel = g.selectAll('text.nv-axislabel')
  	                .data([axisLabelText || null]);
  	            axisLabel.exit().remove();
  	
  	            //only skip when fontSize is undefined so it can be cleared with a null or blank string
  	            if (fontSize !== undefined) {
  	                g.selectAll('g').select("text").style('font-size', fontSize);
  	            }
  	
  	            var xLabelMargin;
  	            var axisMaxMin;
  	            var w;
  	            switch (axis.orient()) {
  	                case 'top':
  	                    axisLabel.enter().append('text').attr('class', 'nv-axislabel');
  	                  w = 0;
  	                  if (scale.range().length === 1) {
  	                    w = isOrdinal ? scale.range()[0] * 2 + scale.rangeBand() : 0;
  	                  } else if (scale.range().length === 2) {
  	                    w = isOrdinal ? scale.range()[0] + scale.range()[1] + scale.rangeBand() : scale.range()[1];
  	                  } else if ( scale.range().length > 2){
  	                    w = scale.range()[scale.range().length-1]+(scale.range()[1]-scale.range()[0]);
  	                  };
  	                    axisLabel
  	                        .attr('text-anchor', 'middle')
  	                        .attr('y', 0)
  	                        .attr('x', w/2);
  	                    if (showMaxMin) {
  	                        axisMaxMin = wrap.selectAll('g.nv-axisMaxMin')
  	                            .data(scale.domain());
  	                        axisMaxMin.enter().append('g').attr('class',function(d,i){
  	                                return ['nv-axisMaxMin','nv-axisMaxMin-x',(i == 0 ? 'nv-axisMin-x':'nv-axisMax-x')].join(' ')
  	                        }).append('text');
  	                        axisMaxMin.exit().remove();
  	                        axisMaxMin
  	                            .attr('transform', function(d,i) {
  	                                return 'translate(' + nv.utils.NaNtoZero(scale(d)) + ',0)'
  	                            })
  	                            .select('text')
  	                            .attr('dy', '-0.5em')
  	                            .attr('y', -axis.tickPadding())
  	                            .attr('text-anchor', 'middle')
  	                            .text(function(d,i) {
  	                                var v = fmt(d);
  	                                return ('' + v).match('NaN') ? '' : v;
  	                            });
  	                        axisMaxMin.watchTransition(renderWatch, 'min-max top')
  	                            .attr('transform', function(d,i) {
  	                                return 'translate(' + nv.utils.NaNtoZero(scale.range()[i]) + ',0)'
  	                            });
  	                    }
  	                    break;
  	                case 'bottom':
  	                    xLabelMargin = axisLabelDistance + 36;
  	                    var maxTextWidth = 30;
  	                    var textHeight = 0;
  	                    var xTicks = g.selectAll('g').select("text");
  	                    var rotateLabelsRule = '';
  	                    if (rotateLabels%360) {
  	                        //Reset transform on ticks so textHeight can be calculated correctly
  	                        xTicks.attr('transform', ''); 
  	                        //Calculate the longest xTick width
  	                        xTicks.each(function(d,i){
  	                            var box = this.getBoundingClientRect();
  	                            var width = box.width;
  	                            textHeight = box.height;
  	                            if(width > maxTextWidth) maxTextWidth = width;
  	                        });
  	                        rotateLabelsRule = 'rotate(' + rotateLabels + ' 0,' + (textHeight/2 + axis.tickPadding()) + ')';
  	                        //Convert to radians before calculating sin. Add 30 to margin for healthy padding.
  	                        var sin = Math.abs(Math.sin(rotateLabels*Math.PI/180));
  	                        xLabelMargin = (sin ? sin*maxTextWidth : maxTextWidth)+30;
  	                        //Rotate all xTicks
  	                        xTicks
  	                            .attr('transform', rotateLabelsRule)
  	                            .style('text-anchor', rotateLabels%360 > 0 ? 'start' : 'end');
  	                    } else {
  	                        if (staggerLabels) {
  	                            xTicks
  	                                .attr('transform', function(d,i) {
  	                                    return 'translate(0,' + (i % 2 == 0 ? '0' : '12') + ')'
  	                                });
  	                        } else {
  	                            xTicks.attr('transform', "translate(0,0)");
  	                        }
  	                    }
  	                    axisLabel.enter().append('text').attr('class', 'nv-axislabel');
  	                    w = 0;
  	                    if (scale.range().length === 1) {
  	                        w = isOrdinal ? scale.range()[0] * 2 + scale.rangeBand() : 0;
  	                    } else if (scale.range().length === 2) {
  	                        w = isOrdinal ? scale.range()[0] + scale.range()[1] + scale.rangeBand() : scale.range()[1];
  	                    } else if ( scale.range().length > 2){
  	                        w = scale.range()[scale.range().length-1]+(scale.range()[1]-scale.range()[0]);
  	                    };
  	                    axisLabel
  	                        .attr('text-anchor', 'middle')
  	                        .attr('y', xLabelMargin)
  	                        .attr('x', w/2);
  	                    if (showMaxMin) {
  	                        //if (showMaxMin && !isOrdinal) {
  	                        axisMaxMin = wrap.selectAll('g.nv-axisMaxMin')
  	                            //.data(scale.domain())
  	                            .data([scale.domain()[0], scale.domain()[scale.domain().length - 1]]);
  	                        axisMaxMin.enter().append('g').attr('class',function(d,i){
  	                                return ['nv-axisMaxMin','nv-axisMaxMin-x',(i == 0 ? 'nv-axisMin-x':'nv-axisMax-x')].join(' ')
  	                        }).append('text');
  	                        axisMaxMin.exit().remove();
  	                        axisMaxMin
  	                            .attr('transform', function(d,i) {
  	                                return 'translate(' + nv.utils.NaNtoZero((scale(d) + (isOrdinal ? scale.rangeBand() / 2 : 0))) + ',0)'
  	                            })
  	                            .select('text')
  	                            .attr('dy', '.71em')
  	                            .attr('y', axis.tickPadding())
  	                            .attr('transform', rotateLabelsRule)
  	                            .style('text-anchor', rotateLabels ? (rotateLabels%360 > 0 ? 'start' : 'end') : 'middle')
  	                            .text(function(d,i) {
  	                                var v = fmt(d);
  	                                return ('' + v).match('NaN') ? '' : v;
  	                            });
  	                        axisMaxMin.watchTransition(renderWatch, 'min-max bottom')
  	                            .attr('transform', function(d,i) {
  	                                return 'translate(' + nv.utils.NaNtoZero((scale(d) + (isOrdinal ? scale.rangeBand() / 2 : 0))) + ',0)'
  	                            });
  	                    }
  	
  	                    break;
  	                case 'right':
  	                    axisLabel.enter().append('text').attr('class', 'nv-axislabel');
  	                    axisLabel
  	                        .style('text-anchor', rotateYLabel ? 'middle' : 'begin')
  	                        .attr('transform', rotateYLabel ? 'rotate(90)' : '')
  	                        .attr('y', rotateYLabel ? (-Math.max(margin.right, width) + 12 - (axisLabelDistance || 0)) : -10) //TODO: consider calculating this based on largest tick width... OR at least expose this on chart
  	                        .attr('x', rotateYLabel ? (d3.max(scale.range()) / 2) : axis.tickPadding());
  	                    if (showMaxMin) {
  	                        axisMaxMin = wrap.selectAll('g.nv-axisMaxMin')
  	                            .data(scale.domain());
  	                       	axisMaxMin.enter().append('g').attr('class',function(d,i){
  	                                return ['nv-axisMaxMin','nv-axisMaxMin-y',(i == 0 ? 'nv-axisMin-y':'nv-axisMax-y')].join(' ')
  	                        }).append('text')
  	                            .style('opacity', 0);
  	                        axisMaxMin.exit().remove();
  	                        axisMaxMin
  	                            .attr('transform', function(d,i) {
  	                                return 'translate(0,' + nv.utils.NaNtoZero(scale(d)) + ')'
  	                            })
  	                            .select('text')
  	                            .attr('dy', '.32em')
  	                            .attr('y', 0)
  	                            .attr('x', axis.tickPadding())
  	                            .style('text-anchor', 'start')
  	                            .text(function(d, i) {
  	                                var v = fmt(d);
  	                                return ('' + v).match('NaN') ? '' : v;
  	                            });
  	                        axisMaxMin.watchTransition(renderWatch, 'min-max right')
  	                            .attr('transform', function(d,i) {
  	                                return 'translate(0,' + nv.utils.NaNtoZero(scale.range()[i]) + ')'
  	                            })
  	                            .select('text')
  	                            .style('opacity', 1);
  	                    }
  	                    break;
  	                case 'left':
  	                    /*
  	                     //For dynamically placing the label. Can be used with dynamically-sized chart axis margins
  	                     var yTicks = g.selectAll('g').select("text");
  	                     yTicks.each(function(d,i){
  	                     var labelPadding = this.getBoundingClientRect().width + axis.tickPadding() + 16;
  	                     if(labelPadding > width) width = labelPadding;
  	                     });
  	                     */
  	                    axisLabel.enter().append('text').attr('class', 'nv-axislabel');
  	                    axisLabel
  	                        .style('text-anchor', rotateYLabel ? 'middle' : 'end')
  	                        .attr('transform', rotateYLabel ? 'rotate(-90)' : '')
  	                        .attr('y', rotateYLabel ? (-Math.max(margin.left, width) + 25 - (axisLabelDistance || 0)) : -10)
  	                        .attr('x', rotateYLabel ? (-d3.max(scale.range()) / 2) : -axis.tickPadding());
  	                    if (showMaxMin) {
  	                        axisMaxMin = wrap.selectAll('g.nv-axisMaxMin')
  	                            .data(scale.domain());
  	                        axisMaxMin.enter().append('g').attr('class',function(d,i){
  	                                return ['nv-axisMaxMin','nv-axisMaxMin-y',(i == 0 ? 'nv-axisMin-y':'nv-axisMax-y')].join(' ')
  	                        }).append('text')
  	                            .style('opacity', 0);
  	                        axisMaxMin.exit().remove();
  	                        axisMaxMin
  	                            .attr('transform', function(d,i) {
  	                                return 'translate(0,' + nv.utils.NaNtoZero(scale0(d)) + ')'
  	                            })
  	                            .select('text')
  	                            .attr('dy', '.32em')
  	                            .attr('y', 0)
  	                            .attr('x', -axis.tickPadding())
  	                            .attr('text-anchor', 'end')
  	                            .text(function(d,i) {
  	                                var v = fmt(d);
  	                                return ('' + v).match('NaN') ? '' : v;
  	                            });
  	                        axisMaxMin.watchTransition(renderWatch, 'min-max right')
  	                            .attr('transform', function(d,i) {
  	                                return 'translate(0,' + nv.utils.NaNtoZero(scale.range()[i]) + ')'
  	                            })
  	                            .select('text')
  	                            .style('opacity', 1);
  	                    }
  	                    break;
  	            }
  	            axisLabel.text(function(d) { return d });
  	
  	            if (showMaxMin && (axis.orient() === 'left' || axis.orient() === 'right')) {
  	                //check if max and min overlap other values, if so, hide the values that overlap
  	                g.selectAll('g') // the g's wrapping each tick
  	                    .each(function(d,i) {
  	                        d3.select(this).select('text').attr('opacity', 1);
  	                        if (scale(d) < scale.range()[1] + 10 || scale(d) > scale.range()[0] - 10) { // 10 is assuming text height is 16... if d is 0, leave it!
  	                            if (d > 1e-10 || d < -1e-10) // accounts for minor floating point errors... though could be problematic if the scale is EXTREMELY SMALL
  	                                d3.select(this).attr('opacity', 0);
  	
  	                            d3.select(this).select('text').attr('opacity', 0); // Don't remove the ZERO line!!
  	                        }
  	                    });
  	
  	                //if Max and Min = 0 only show min, Issue #281
  	                if (scale.domain()[0] == scale.domain()[1] && scale.domain()[0] == 0) {
  	                    wrap.selectAll('g.nv-axisMaxMin').style('opacity', function (d, i) {
  	                        return !i ? 1 : 0
  	                    });
  	                }
  	            }
  	
  	            if (showMaxMin && (axis.orient() === 'top' || axis.orient() === 'bottom')) {
  	                var maxMinRange = [];
  	                wrap.selectAll('g.nv-axisMaxMin')
  	                    .each(function(d,i) {
  	                        try {
  	                            if (i) // i== 1, max position
  	                                maxMinRange.push(scale(d) - this.getBoundingClientRect().width - 4);  //assuming the max and min labels are as wide as the next tick (with an extra 4 pixels just in case)
  	                            else // i==0, min position
  	                                maxMinRange.push(scale(d) + this.getBoundingClientRect().width + 4)
  	                        }catch (err) {
  	                            if (i) // i== 1, max position
  	                                maxMinRange.push(scale(d) - 4);  //assuming the max and min labels are as wide as the next tick (with an extra 4 pixels just in case)
  	                            else // i==0, min position
  	                                maxMinRange.push(scale(d) + 4);
  	                        }
  	                    });
  	                // the g's wrapping each tick
  	                g.selectAll('g').each(function(d, i) {
  	                    if (scale(d) < maxMinRange[0] || scale(d) > maxMinRange[1]) {
  	                        if (d > 1e-10 || d < -1e-10) // accounts for minor floating point errors... though could be problematic if the scale is EXTREMELY SMALL
  	                            d3.select(this).remove();
  	                        else
  	                            d3.select(this).select('text').remove(); // Don't remove the ZERO line!!
  	                    }
  	                });
  	            }
  	
  	            //Highlight zero tick line
  	            g.selectAll('.tick')
  	                .filter(function (d) {
  	                    /*
  	                    The filter needs to return only ticks at or near zero.
  	                    Numbers like 0.00001 need to count as zero as well,
  	                    and the arithmetic trick below solves that.
  	                    */
  	                    return !parseFloat(Math.round(d * 100000) / 1000000) && (d !== undefined)
  	                }) 
  	                .classed('zero', true);
  	            
  	            //store old scales for use in transitions on update
  	            scale0 = scale.copy();
  	
  	        });
  	
  	        renderWatch.renderEnd('axis immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    // expose chart's sub-components
  	    chart.axis = axis;
  	    chart.dispatch = dispatch;
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        axisLabelDistance: {get: function(){return axisLabelDistance;}, set: function(_){axisLabelDistance=_;}},
  	        staggerLabels:     {get: function(){return staggerLabels;}, set: function(_){staggerLabels=_;}},
  	        rotateLabels:      {get: function(){return rotateLabels;}, set: function(_){rotateLabels=_;}},
  	        rotateYLabel:      {get: function(){return rotateYLabel;}, set: function(_){rotateYLabel=_;}},
  	        showMaxMin:        {get: function(){return showMaxMin;}, set: function(_){showMaxMin=_;}},
  	        axisLabel:         {get: function(){return axisLabelText;}, set: function(_){axisLabelText=_;}},
  	        height:            {get: function(){return height;}, set: function(_){height=_;}},
  	        ticks:             {get: function(){return ticks;}, set: function(_){ticks=_;}},
  	        width:             {get: function(){return width;}, set: function(_){width=_;}},
  	        fontSize:          {get: function(){return fontSize;}, set: function(_){fontSize=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top !== undefined    ? _.top    : margin.top;
  	            margin.right  = _.right !== undefined  ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left !== undefined   ? _.left   : margin.left;
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration=_;
  	            renderWatch.reset(duration);
  	        }},
  	        scale: {get: function(){return scale;}, set: function(_){
  	            scale = _;
  	            axis.scale(scale);
  	            isOrdinal = typeof scale.rangeBands === 'function';
  	            nv.utils.inheritOptionsD3(chart, scale, ['domain', 'range', 'rangeBand', 'rangeBands']);
  	        }}
  	    });
  	
  	    nv.utils.initOptions(chart);
  	    nv.utils.inheritOptionsD3(chart, axis, ['orient', 'tickValues', 'tickSubdivide', 'tickSize', 'tickPadding', 'tickFormat']);
  	    nv.utils.inheritOptionsD3(chart, scale, ['domain', 'range', 'rangeBand', 'rangeBands']);
  	
  	    return chart;
  	};
  	nv.models.boxPlot = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 0, right: 0, bottom: 0, left: 0},
  	        width = 960,
  	        height = 500,
  	        id = Math.floor(Math.random() * 10000), // Create semi-unique ID in case user doesn't select one
  	        xScale = d3.scale.ordinal(),
  	        yScale = d3.scale.linear(),
  	        getX  = function(d) { return d.label }, // Default data model selectors.
  	        getQ1 = function(d) { return d.values.Q1 },
  	        getQ2 = function(d) { return d.values.Q2 },
  	        getQ3 = function(d) { return d.values.Q3 },
  	        getWl = function(d) { return d.values.whisker_low },
  	        getWh = function(d) { return d.values.whisker_high },
  	        getColor = function(d) { return d.color },
  	        getOlItems  = function(d) { return d.values.outliers },
  	        getOlValue = function(d, i, j) { return d },
  	        getOlLabel = function(d, i, j) { return d },
  	        getOlColor = function(d, i, j) { return undefined },
  	        color = nv.utils.defaultColor(),
  	        container = null,
  	        xDomain, xRange,
  	        yDomain, yRange,
  	        dispatch = d3.dispatch('elementMouseover', 'elementMouseout', 'elementMousemove', 'renderEnd'),
  	        duration = 250,
  	        maxBoxWidth = null;
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var xScale0, yScale0;
  	    var renderWatch = nv.utils.renderWatch(dispatch, duration);
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        selection.each(function(data) {
  	            var availableWidth = width - margin.left - margin.right,
  	                availableHeight = height - margin.top - margin.bottom;
  	
  	            container = d3.select(this);
  	            nv.utils.initSVG(container);
  	
  	            // Setup Scales
  	            xScale.domain(xDomain || data.map(function(d,i) { return getX(d,i); }))
  	                .rangeBands(xRange || [0, availableWidth], 0.1);
  	
  	            // if we know yDomain, no need to calculate
  	            var yData = []
  	            if (!yDomain) {
  	                // (y-range is based on quartiles, whiskers and outliers)
  	                var values = [], yMin, yMax;
  	                data.forEach(function (d, i) {
  	                    var q1 = getQ1(d), q3 = getQ3(d), wl = getWl(d), wh = getWh(d);
  	                    var olItems = getOlItems(d);
  	                    if (olItems) {
  	                        olItems.forEach(function (e, i) {
  	                            values.push(getOlValue(e, i, undefined));
  	                        });
  	                    }
  	                    if (wl) { values.push(wl) }
  	                    if (q1) { values.push(q1) }
  	                    if (q3) { values.push(q3) }
  	                    if (wh) { values.push(wh) }
  	                });
  	                yMin = d3.min(values);
  	                yMax = d3.max(values);
  	                yData = [ yMin, yMax ] ;
  	            }
  	
  	            yScale.domain(yDomain || yData);
  	            yScale.range(yRange || [availableHeight, 0]);
  	
  	            //store old scales if they exist
  	            xScale0 = xScale0 || xScale;
  	            yScale0 = yScale0 || yScale.copy().range([yScale(0),yScale(0)]);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap').data([data]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap');
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            var boxplots = wrap.selectAll('.nv-boxplot').data(function(d) { return d });
  	            var boxEnter = boxplots.enter().append('g').style('stroke-opacity', 1e-6).style('fill-opacity', 1e-6);
  	            boxplots
  	                .attr('class', 'nv-boxplot')
  	                .attr('transform', function(d,i,j) { return 'translate(' + (xScale(getX(d,i)) + xScale.rangeBand() * 0.05) + ', 0)'; })
  	                .classed('hover', function(d) { return d.hover });
  	            boxplots
  	                .watchTransition(renderWatch, 'nv-boxplot: boxplots')
  	                .style('stroke-opacity', 1)
  	                .style('fill-opacity', 0.75)
  	                .delay(function(d,i) { return i * duration / data.length })
  	                .attr('transform', function(d,i) {
  	                    return 'translate(' + (xScale(getX(d,i)) + xScale.rangeBand() * 0.05) + ', 0)';
  	                });
  	            boxplots.exit().remove();
  	
  	            // ----- add the SVG elements for each boxPlot -----
  	
  	            // conditionally append whisker lines
  	            boxEnter.each(function(d,i) {
  	                var box = d3.select(this);
  	                [getWl, getWh].forEach(function (f) {
  	                    if (f(d)) {
  	                        var key = (f === getWl) ? 'low' : 'high';
  	                        box.append('line')
  	                          .style('stroke', getColor(d) || color(d,i))
  	                          .attr('class', 'nv-boxplot-whisker nv-boxplot-' + key);
  	                        box.append('line')
  	                          .style('stroke', getColor(d) || color(d,i))
  	                          .attr('class', 'nv-boxplot-tick nv-boxplot-' + key);
  	                    }
  	                });
  	            });
  	
  	            var box_width = function() { return (maxBoxWidth === null ? xScale.rangeBand() * 0.9 : Math.min(75, xScale.rangeBand() * 0.9)); };
  	            var box_left  = function() { return xScale.rangeBand() * 0.45 - box_width()/2; };
  	            var box_right = function() { return xScale.rangeBand() * 0.45 + box_width()/2; };
  	
  	            // update whisker lines and ticks
  	            [getWl, getWh].forEach(function (f) {
  	                var key = (f === getWl) ? 'low' : 'high';
  	                var endpoint = (f === getWl) ? getQ1 : getQ3;
  	                boxplots.select('line.nv-boxplot-whisker.nv-boxplot-' + key)
  	                  .watchTransition(renderWatch, 'nv-boxplot: boxplots')
  	                    .attr('x1', xScale.rangeBand() * 0.45 )
  	                    .attr('y1', function(d,i) { return yScale(f(d)); })
  	                    .attr('x2', xScale.rangeBand() * 0.45 )
  	                    .attr('y2', function(d,i) { return yScale(endpoint(d)); });
  	                boxplots.select('line.nv-boxplot-tick.nv-boxplot-' + key)
  	                  .watchTransition(renderWatch, 'nv-boxplot: boxplots')
  	                    .attr('x1', box_left )
  	                    .attr('y1', function(d,i) { return yScale(f(d)); })
  	                    .attr('x2', box_right )
  	                    .attr('y2', function(d,i) { return yScale(f(d)); });
  	            });
  	
  	            [getWl, getWh].forEach(function (f) {
  	                var key = (f === getWl) ? 'low' : 'high';
  	                boxEnter.selectAll('.nv-boxplot-' + key)
  	                  .on('mouseover', function(d,i,j) {
  	                      d3.select(this).classed('hover', true);
  	                      dispatch.elementMouseover({
  	                          series: { key: f(d), color: getColor(d) || color(d,j) },
  	                          e: d3.event
  	                      });
  	                  })
  	                  .on('mouseout', function(d,i,j) {
  	                      d3.select(this).classed('hover', false);
  	                      dispatch.elementMouseout({
  	                          series: { key: f(d), color: getColor(d) || color(d,j) },
  	                          e: d3.event
  	                      });
  	                  })
  	                  .on('mousemove', function(d,i) {
  	                      dispatch.elementMousemove({e: d3.event});
  	                  });
  	            });
  	
  	            // boxes
  	            boxEnter.append('rect')
  	                .attr('class', 'nv-boxplot-box')
  	                // tooltip events
  	                .on('mouseover', function(d,i) {
  	                    d3.select(this).classed('hover', true);
  	                    dispatch.elementMouseover({
  	                        key: getX(d),
  	                        value: getX(d),
  	                        series: [
  	                            { key: 'Q3', value: getQ3(d), color: getColor(d) || color(d,i) },
  	                            { key: 'Q2', value: getQ2(d), color: getColor(d) || color(d,i) },
  	                            { key: 'Q1', value: getQ1(d), color: getColor(d) || color(d,i) }
  	                        ],
  	                        data: d,
  	                        index: i,
  	                        e: d3.event
  	                    });
  	                })
  	                .on('mouseout', function(d,i) {
  	                    d3.select(this).classed('hover', false);
  	                    dispatch.elementMouseout({
  	                        key: getX(d),
  	                        value: getX(d),
  	                        series: [
  	                            { key: 'Q3', value: getQ3(d), color: getColor(d) || color(d,i) },
  	                            { key: 'Q2', value: getQ2(d), color: getColor(d) || color(d,i) },
  	                            { key: 'Q1', value: getQ1(d), color: getColor(d) || color(d,i) }
  	                        ],
  	                        data: d,
  	                        index: i,
  	                        e: d3.event
  	                    });
  	                })
  	                .on('mousemove', function(d,i) {
  	                    dispatch.elementMousemove({e: d3.event});
  	                });
  	
  	            // box transitions
  	            boxplots.select('rect.nv-boxplot-box')
  	              .watchTransition(renderWatch, 'nv-boxplot: boxes')
  	                .attr('y', function(d,i) { return yScale(getQ3(d)); })
  	                .attr('width', box_width)
  	                .attr('x', box_left )
  	                .attr('height', function(d,i) { return Math.abs(yScale(getQ3(d)) - yScale(getQ1(d))) || 1 })
  	                .style('fill', function(d,i) { return getColor(d) || color(d,i) })
  	                .style('stroke', function(d,i) { return getColor(d) || color(d,i) });
  	
  	            // median line
  	            boxEnter.append('line').attr('class', 'nv-boxplot-median');
  	
  	            boxplots.select('line.nv-boxplot-median')
  	              .watchTransition(renderWatch, 'nv-boxplot: boxplots line')
  	                .attr('x1', box_left)
  	                .attr('y1', function(d,i) { return yScale(getQ2(d)); })
  	                .attr('x2', box_right)
  	                .attr('y2', function(d,i) { return yScale(getQ2(d)); });
  	
  	            // outliers
  	            var outliers = boxplots.selectAll('.nv-boxplot-outlier').data(function(d) {
  	                return getOlItems(d) || [];
  	            });
  	            outliers.enter().append('circle')
  	                .style('fill', function(d,i,j) { return getOlColor(d,i,j) || color(d,j) })
  	                .style('stroke', function(d,i,j) { return getOlColor(d,i,j) || color(d,j) })
  	                .style('z-index', 9000)
  	                .on('mouseover', function(d,i,j) {
  	                    d3.select(this).classed('hover', true);
  	                    dispatch.elementMouseover({
  	                        series: { key: getOlLabel(d,i,j), color: getOlColor(d,i,j) || color(d,j) },
  	                        e: d3.event
  	                    });
  	                })
  	                .on('mouseout', function(d,i,j) {
  	                    d3.select(this).classed('hover', false);
  	                    dispatch.elementMouseout({
  	                        series: { key: getOlLabel(d,i,j), color: getOlColor(d,i,j) || color(d,j) },
  	                        e: d3.event
  	                    });
  	                })
  	                .on('mousemove', function(d,i) {
  	                    dispatch.elementMousemove({e: d3.event});
  	                });
  	            outliers.attr('class', 'nv-boxplot-outlier');
  	            outliers
  	              .watchTransition(renderWatch, 'nv-boxplot: nv-boxplot-outlier')
  	                .attr('cx', xScale.rangeBand() * 0.45)
  	                .attr('cy', function(d,i,j) { return yScale(getOlValue(d,i,j)); })
  	                .attr('r', '3');
  	            outliers.exit().remove();
  	
  	            //store old scales for use in transitions on update
  	            xScale0 = xScale.copy();
  	            yScale0 = yScale.copy();
  	        });
  	
  	        renderWatch.renderEnd('nv-boxplot immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:       {get: function(){return width;}, set: function(_){width=_;}},
  	        height:      {get: function(){return height;}, set: function(_){height=_;}},
  	        maxBoxWidth: {get: function(){return maxBoxWidth;}, set: function(_){maxBoxWidth=_;}},
  	        x:           {get: function(){return getX;}, set: function(_){getX=_;}},
  	        q1: {get: function(){return getQ1;}, set: function(_){getQ1=_;}},
  	        q2: {get: function(){return getQ2;}, set: function(_){getQ2=_;}},
  	        q3: {get: function(){return getQ3;}, set: function(_){getQ3=_;}},
  	        wl: {get: function(){return getWl;}, set: function(_){getWl=_;}},
  	        wh: {get: function(){return getWh;}, set: function(_){getWh=_;}},
  	        itemColor:    {get: function(){return getColor;}, set: function(_){getColor=_;}},
  	        outliers:     {get: function(){return getOlItems;}, set: function(_){getOlItems=_;}},
  	        outlierValue: {get: function(){return getOlValue;}, set: function(_){getOlValue=_;}},
  	        outlierLabel: {get: function(){return getOlLabel;}, set: function(_){getOlLabel=_;}},
  	        outlierColor: {get: function(){return getOlColor;}, set: function(_){getOlColor=_;}},
  	        xScale:  {get: function(){return xScale;}, set: function(_){xScale=_;}},
  	        yScale:  {get: function(){return yScale;}, set: function(_){yScale=_;}},
  	        xDomain: {get: function(){return xDomain;}, set: function(_){xDomain=_;}},
  	        yDomain: {get: function(){return yDomain;}, set: function(_){yDomain=_;}},
  	        xRange:  {get: function(){return xRange;}, set: function(_){xRange=_;}},
  	        yRange:  {get: function(){return yRange;}, set: function(_){yRange=_;}},
  	        id:          {get: function(){return id;}, set: function(_){id=_;}},
  	        // rectClass: {get: function(){return rectClass;}, set: function(_){rectClass=_;}},
  	        y: {
  	            get: function() {
  	                console.warn('BoxPlot \'y\' chart option is deprecated. Please use model overrides instead.');
  	                return {};
  	            },
  	            set: function(_) {
  	                console.warn('BoxPlot \'y\' chart option is deprecated. Please use model overrides instead.');
  	            }
  	        },
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	        }}
  	    });
  	
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	nv.models.boxPlotChart = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var boxplot = nv.models.boxPlot(),
  	        xAxis = nv.models.axis(),
  	        yAxis = nv.models.axis();
  	
  	    var margin = {top: 15, right: 10, bottom: 50, left: 60},
  	        width = null,
  	        height = null,
  	        color = nv.utils.getColor(),
  	        showXAxis = true,
  	        showYAxis = true,
  	        rightAlignYAxis = false,
  	        staggerLabels = false,
  	        tooltip = nv.models.tooltip(),
  	        x, y,
  	        noData = 'No Data Available.',
  	        dispatch = d3.dispatch('beforeUpdate', 'renderEnd'),
  	        duration = 250;
  	
  	    xAxis
  	        .orient('bottom')
  	        .showMaxMin(false)
  	        .tickFormat(function(d) { return d })
  	    ;
  	    yAxis
  	        .orient((rightAlignYAxis) ? 'right' : 'left')
  	        .tickFormat(d3.format(',.1f'))
  	    ;
  	
  	    tooltip.duration(0);
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch, duration);
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        renderWatch.models(boxplot);
  	        if (showXAxis) renderWatch.models(xAxis);
  	        if (showYAxis) renderWatch.models(yAxis);
  	
  	        selection.each(function(data) {
  	            var container = d3.select(this), that = this;
  	            nv.utils.initSVG(container);
  	            var availableWidth = (width  || parseInt(container.style('width')) || 960) - margin.left - margin.right;
  	            var availableHeight = (height || parseInt(container.style('height')) || 400) - margin.top - margin.bottom;
  	
  	            chart.update = function() {
  	                dispatch.beforeUpdate();
  	                container.transition().duration(duration).call(chart);
  	            };
  	            chart.container = this;
  	
  	            // TODO still need to find a way to validate quartile data presence using boxPlot callbacks.
  	            // Display No Data message if there's nothing to show. (quartiles required at minimum).
  	            if (!data || !data.length) {
  	                var noDataText = container.selectAll('.nv-noData').data([noData]);
  	
  	                noDataText.enter().append('text')
  	                    .attr('class', 'nvd3 nv-noData')
  	                    .attr('dy', '-.7em')
  	                    .style('text-anchor', 'middle');
  	
  	                noDataText
  	                    .attr('x', margin.left + availableWidth / 2)
  	                    .attr('y', margin.top + availableHeight / 2)
  	                    .text(function(d) { return d });
  	
  	                return chart;
  	            } else {
  	                container.selectAll('.nv-noData').remove();
  	            }
  	
  	            // Setup Scales
  	            x = boxplot.xScale();
  	            y = boxplot.yScale().clamp(true);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-boxPlotWithAxes').data([data]);
  	            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-boxPlotWithAxes').append('g');
  	            var defsEnter = gEnter.append('defs');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-x nv-axis');
  	            gEnter.append('g').attr('class', 'nv-y nv-axis')
  	                .append('g').attr('class', 'nv-zeroLine')
  	                .append('line');
  	
  	            gEnter.append('g').attr('class', 'nv-barsWrap');
  	            g.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            if (rightAlignYAxis) {
  	                g.select('.nv-y.nv-axis')
  	                    .attr('transform', 'translate(' + availableWidth + ',0)');
  	            }
  	
  	            // Main Chart Component(s)
  	            boxplot.width(availableWidth).height(availableHeight);
  	
  	            var barsWrap = g.select('.nv-barsWrap')
  	                .datum(data.filter(function(d) { return !d.disabled }))
  	
  	            barsWrap.transition().call(boxplot);
  	
  	            defsEnter.append('clipPath')
  	                .attr('id', 'nv-x-label-clip-' + boxplot.id())
  	                .append('rect');
  	
  	            g.select('#nv-x-label-clip-' + boxplot.id() + ' rect')
  	                .attr('width', x.rangeBand() * (staggerLabels ? 2 : 1))
  	                .attr('height', 16)
  	                .attr('x', -x.rangeBand() / (staggerLabels ? 1 : 2 ));
  	
  	            // Setup Axes
  	            if (showXAxis) {
  	                xAxis
  	                    .scale(x)
  	                    .ticks( nv.utils.calcTicksX(availableWidth/100, data) )
  	                    .tickSize(-availableHeight, 0);
  	
  	                g.select('.nv-x.nv-axis').attr('transform', 'translate(0,' + y.range()[0] + ')');
  	                g.select('.nv-x.nv-axis').call(xAxis);
  	
  	                var xTicks = g.select('.nv-x.nv-axis').selectAll('g');
  	                if (staggerLabels) {
  	                    xTicks
  	                        .selectAll('text')
  	                        .attr('transform', function(d,i,j) { return 'translate(0,' + (j % 2 === 0 ? '5' : '17') + ')' })
  	                }
  	            }
  	
  	            if (showYAxis) {
  	                yAxis
  	                    .scale(y)
  	                    .ticks( Math.floor(availableHeight/36) ) // can't use nv.utils.calcTicksY with Object data
  	                    .tickSize( -availableWidth, 0);
  	
  	                g.select('.nv-y.nv-axis').call(yAxis);
  	            }
  	
  	            // Zero line
  	            g.select('.nv-zeroLine line')
  	                .attr('x1',0)
  	                .attr('x2',availableWidth)
  	                .attr('y1', y(0))
  	                .attr('y2', y(0))
  	            ;
  	
  	            //============================================================
  	            // Event Handling/Dispatching (in chart's scope)
  	            //------------------------------------------------------------
  	        });
  	
  	        renderWatch.renderEnd('nv-boxplot chart immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Event Handling/Dispatching (out of chart's scope)
  	    //------------------------------------------------------------
  	
  	    boxplot.dispatch.on('elementMouseover.tooltip', function(evt) {
  	        tooltip.data(evt).hidden(false);
  	    });
  	
  	    boxplot.dispatch.on('elementMouseout.tooltip', function(evt) {
  	        tooltip.data(evt).hidden(true);
  	    });
  	
  	    boxplot.dispatch.on('elementMousemove.tooltip', function(evt) {
  	        tooltip();
  	    });
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.boxplot = boxplot;
  	    chart.xAxis = xAxis;
  	    chart.yAxis = yAxis;
  	    chart.tooltip = tooltip;
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  	        staggerLabels: {get: function(){return staggerLabels;}, set: function(_){staggerLabels=_;}},
  	        showXAxis: {get: function(){return showXAxis;}, set: function(_){showXAxis=_;}},
  	        showYAxis: {get: function(){return showYAxis;}, set: function(_){showYAxis=_;}},
  	        tooltipContent:    {get: function(){return tooltip;}, set: function(_){tooltip=_;}},
  	        noData:    {get: function(){return noData;}, set: function(_){noData=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	            boxplot.duration(duration);
  	            xAxis.duration(duration);
  	            yAxis.duration(duration);
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	            boxplot.color(color);
  	        }},
  	        rightAlignYAxis: {get: function(){return rightAlignYAxis;}, set: function(_){
  	            rightAlignYAxis = _;
  	            yAxis.orient( (_) ? 'right' : 'left');
  	        }}
  	    });
  	
  	    nv.utils.inheritOptions(chart, boxplot);
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	}
  	
  	// Chart design based on the recommendations of Stephen Few. Implementation
  	// based on the work of Clint Ivy, Jamie Love, and Jason Davies.
  	// http://projects.instantcognition.com/protovis/bulletchart/
  	
  	nv.models.bullet = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 0, right: 0, bottom: 0, left: 0}
  	        , orient = 'left' // TODO top & bottom
  	        , reverse = false
  	        , ranges = function(d) { return d.ranges }
  	        , markers = function(d) { return d.markers ? d.markers : [] }
  	        , markerLines = function(d) { return d.markerLines ? d.markerLines : [0] }
  	        , measures = function(d) { return d.measures }
  	        , rangeLabels = function(d) { return d.rangeLabels ? d.rangeLabels : [] }
  	        , markerLabels = function(d) { return d.markerLabels ? d.markerLabels : []  }
  	        , markerLineLabels = function(d) { return d.markerLineLabels ? d.markerLineLabels : []  }
  	        , measureLabels = function(d) { return d.measureLabels ? d.measureLabels : []  }
  	        , forceX = [0] // List of numbers to Force into the X scale (ie. 0, or a max / min, etc.)
  	        , width = 380
  	        , height = 30
  	        , container = null
  	        , tickFormat = null
  	        , color = nv.utils.getColor(['#1f77b4'])
  	        , dispatch = d3.dispatch('elementMouseover', 'elementMouseout', 'elementMousemove')
  	        , defaultRangeLabels = ["Maximum", "Mean", "Minimum"]
  	        , legacyRangeClassNames = ["Max", "Avg", "Min"]
  	        ;
  	
  	    function sortLabels(labels, values){
  	        var lz = labels.slice();
  	        labels.sort(function(a, b){
  	            var iA = lz.indexOf(a);
  	            var iB = lz.indexOf(b);
  	            return d3.descending(values[iA], values[iB]);
  	        });
  	    };
  	
  	    function chart(selection) {
  	        selection.each(function(d, i) {
  	            var availableWidth = width - margin.left - margin.right,
  	                availableHeight = height - margin.top - margin.bottom;
  	
  	            container = d3.select(this);
  	            nv.utils.initSVG(container);
  	
  	            var rangez = ranges.call(this, d, i).slice(),
  	                markerz = markers.call(this, d, i).slice(),
  	                markerLinez = markerLines.call(this, d, i).slice().sort(d3.descending),
  	                measurez = measures.call(this, d, i).slice(),
  	                rangeLabelz = rangeLabels.call(this, d, i).slice(),
  	                markerLabelz = markerLabels.call(this, d, i).slice(),
  	                markerLineLabelz = markerLineLabels.call(this, d, i).slice(),
  	                measureLabelz = measureLabels.call(this, d, i).slice();
  	
  	            // Sort labels according to their sorted values
  	            sortLabels(rangeLabelz, rangez);
  	            sortLabels(markerLabelz, markerz);
  	            sortLabels(markerLineLabelz, markerLinez);
  	            sortLabels(measureLabelz, measurez);
  	
  	            // sort values descending
  	            rangez.sort(d3.descending);
  	            markerz.sort(d3.descending);
  	            measurez.sort(d3.descending);
  	
  	            // Setup Scales
  	            // Compute the new x-scale.
  	            var x1 = d3.scale.linear()
  	                .domain( d3.extent(d3.merge([forceX, rangez])) )
  	                .range(reverse ? [availableWidth, 0] : [0, availableWidth]);
  	
  	            // Retrieve the old x-scale, if this is an update.
  	            var x0 = this.__chart__ || d3.scale.linear()
  	                .domain([0, Infinity])
  	                .range(x1.range());
  	
  	            // Stash the new scale.
  	            this.__chart__ = x1;
  	
  	            var rangeMin = d3.min(rangez), //rangez[2]
  	                rangeMax = d3.max(rangez), //rangez[0]
  	                rangeAvg = rangez[1];
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-bullet').data([d]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-bullet');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            for(var i=0,il=rangez.length; i<il; i++){
  	                var rangeClassNames = 'nv-range nv-range'+i;
  	                if(i <= 2){
  	                    rangeClassNames = rangeClassNames + ' nv-range'+legacyRangeClassNames[i];
  	                }
  	                gEnter.append('rect').attr('class', rangeClassNames);
  	            }
  	
  	            gEnter.append('rect').attr('class', 'nv-measure');
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            var w0 = function(d) { return Math.abs(x0(d) - x0(0)) }, // TODO: could optimize by precalculating x0(0) and x1(0)
  	                w1 = function(d) { return Math.abs(x1(d) - x1(0)) };
  	            var xp0 = function(d) { return d < 0 ? x0(d) : x0(0) },
  	                xp1 = function(d) { return d < 0 ? x1(d) : x1(0) };
  	
  	            for(var i=0,il=rangez.length; i<il; i++){
  	                var range = rangez[i];
  	                g.select('rect.nv-range'+i)
  	                    .attr('height', availableHeight)
  	                    .attr('width', w1(range))
  	                    .attr('x', xp1(range))
  	                    .datum(range)
  	            }
  	
  	            g.select('rect.nv-measure')
  	                .style('fill', color)
  	                .attr('height', availableHeight / 3)
  	                .attr('y', availableHeight / 3)
  	                .attr('width', measurez < 0 ?
  	                    x1(0) - x1(measurez[0])
  	                    : x1(measurez[0]) - x1(0))
  	                .attr('x', xp1(measurez))
  	                .on('mouseover', function() {
  	                    dispatch.elementMouseover({
  	                        value: measurez[0],
  	                        label: measureLabelz[0] || 'Current',
  	                        color: d3.select(this).style("fill")
  	                    })
  	                })
  	                .on('mousemove', function() {
  	                    dispatch.elementMousemove({
  	                        value: measurez[0],
  	                        label: measureLabelz[0] || 'Current',
  	                        color: d3.select(this).style("fill")
  	                    })
  	                })
  	                .on('mouseout', function() {
  	                    dispatch.elementMouseout({
  	                        value: measurez[0],
  	                        label: measureLabelz[0] || 'Current',
  	                        color: d3.select(this).style("fill")
  	                    })
  	                });
  	
  	            var h3 =  availableHeight / 6;
  	
  	            var markerData = markerz.map( function(marker, index) {
  	                return {value: marker, label: markerLabelz[index]}
  	            });
  	            gEnter
  	              .selectAll("path.nv-markerTriangle")
  	              .data(markerData)
  	              .enter()
  	              .append('path')
  	              .attr('class', 'nv-markerTriangle')
  	              .attr('d', 'M0,' + h3 + 'L' + h3 + ',' + (-h3) + ' ' + (-h3) + ',' + (-h3) + 'Z')
  	              .on('mouseover', function(d) {
  	                dispatch.elementMouseover({
  	                  value: d.value,
  	                  label: d.label || 'Previous',
  	                  color: d3.select(this).style("fill"),
  	                  pos: [x1(d.value), availableHeight/2]
  	                })
  	
  	              })
  	              .on('mousemove', function(d) {
  	                  dispatch.elementMousemove({
  	                      value: d.value,
  	                      label: d.label || 'Previous',
  	                      color: d3.select(this).style("fill")
  	                  })
  	              })
  	              .on('mouseout', function(d, i) {
  	                  dispatch.elementMouseout({
  	                      value: d.value,
  	                      label: d.label || 'Previous',
  	                      color: d3.select(this).style("fill")
  	                  })
  	              });
  	
  	            g.selectAll("path.nv-markerTriangle")
  	              .data(markerData)
  	              .attr('transform', function(d) { return 'translate(' + x1(d.value) + ',' + (availableHeight / 2) + ')' });
  	
  	            var markerLinesData = markerLinez.map( function(marker, index) {
  	                return {value: marker, label: markerLineLabelz[index]}
  	            });
  	            gEnter
  	              .selectAll("path.nv-markerLine")
  	              .data(markerLinesData)
  	              .enter()
  	              .append('line')
  	              .attr('cursor', '')
  	              .attr('class', 'nv-markerLine')
  	              .attr('x1', function(d) { return x1(d.value) })
  	              .attr('y1', '2')
  	              .attr('x2', function(d) { return x1(d.value) })
  	              .attr('y2', availableHeight - 2)
  	              .on('mouseover', function(d) {
  	                dispatch.elementMouseover({
  	                  value: d.value,
  	                  label: d.label || 'Previous',
  	                  color: d3.select(this).style("fill"),
  	                  pos: [x1(d.value), availableHeight/2]
  	                })
  	
  	              })
  	              .on('mousemove', function(d) {
  	                  dispatch.elementMousemove({
  	                      value: d.value,
  	                      label: d.label || 'Previous',
  	                      color: d3.select(this).style("fill")
  	                  })
  	              })
  	              .on('mouseout', function(d, i) {
  	                  dispatch.elementMouseout({
  	                      value: d.value,
  	                      label: d.label || 'Previous',
  	                      color: d3.select(this).style("fill")
  	                  })
  	              });
  	
  	            g.selectAll("path.nv-markerLines")
  	              .data(markerLinesData)
  	              .attr('transform', function(d) { return 'translate(' + x1(d.value) + ',' + (availableHeight / 2) + ')' });
  	
  	            wrap.selectAll('.nv-range')
  	                .on('mouseover', function(d,i) {
  	                    var label = rangeLabelz[i] || defaultRangeLabels[i];
  	                    dispatch.elementMouseover({
  	                        value: d,
  	                        label: label,
  	                        color: d3.select(this).style("fill")
  	                    })
  	                })
  	                .on('mousemove', function() {
  	                    dispatch.elementMousemove({
  	                        value: measurez[0],
  	                        label: measureLabelz[0] || 'Previous',
  	                        color: d3.select(this).style("fill")
  	                    })
  	                })
  	                .on('mouseout', function(d,i) {
  	                    var label = rangeLabelz[i] || defaultRangeLabels[i];
  	                    dispatch.elementMouseout({
  	                        value: d,
  	                        label: label,
  	                        color: d3.select(this).style("fill")
  	                    })
  	                });
  	        });
  	
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        ranges:      {get: function(){return ranges;}, set: function(_){ranges=_;}}, // ranges (bad, satisfactory, good)
  	        markers:     {get: function(){return markers;}, set: function(_){markers=_;}}, // markers (previous, goal)
  	        measures: {get: function(){return measures;}, set: function(_){measures=_;}}, // measures (actual, forecast)
  	        forceX:      {get: function(){return forceX;}, set: function(_){forceX=_;}},
  	        width:    {get: function(){return width;}, set: function(_){width=_;}},
  	        height:    {get: function(){return height;}, set: function(_){height=_;}},
  	        tickFormat:    {get: function(){return tickFormat;}, set: function(_){tickFormat=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        orient: {get: function(){return orient;}, set: function(_){ // left, right, top, bottom
  	            orient = _;
  	            reverse = orient == 'right' || orient == 'bottom';
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }}
  	    });
  	
  	    nv.utils.initOptions(chart);
  	    return chart;
  	};
  	
  	
  	
  	// Chart design based on the recommendations of Stephen Few. Implementation
  	// based on the work of Clint Ivy, Jamie Love, and Jason Davies.
  	// http://projects.instantcognition.com/protovis/bulletchart/
  	nv.models.bulletChart = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var bullet = nv.models.bullet();
  	    var tooltip = nv.models.tooltip();
  	
  	    var orient = 'left' // TODO top & bottom
  	        , reverse = false
  	        , margin = {top: 5, right: 40, bottom: 20, left: 120}
  	        , ranges = function(d) { return d.ranges }
  	        , markers = function(d) { return d.markers ? d.markers : [] }
  	        , measures = function(d) { return d.measures }
  	        , width = null
  	        , height = 55
  	        , tickFormat = null
  		, ticks = null
  	        , noData = null
  	        , dispatch = d3.dispatch()
  	        ;
  	
  	    tooltip
  	        .duration(0)
  	        .headerEnabled(false);
  	
  	    function chart(selection) {
  	        selection.each(function(d, i) {
  	            var container = d3.select(this);
  	            nv.utils.initSVG(container);
  	
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = height - margin.top - margin.bottom,
  	                that = this;
  	
  	            chart.update = function() { chart(selection) };
  	            chart.container = this;
  	
  	            // Display No Data message if there's nothing to show.
  	            if (!d || !ranges.call(this, d, i)) {
  	                nv.utils.noData(chart, container)
  	                return chart;
  	            } else {
  	                container.selectAll('.nv-noData').remove();
  	            }
  	
  	            var rangez = ranges.call(this, d, i).slice().sort(d3.descending),
  	                markerz = markers.call(this, d, i).slice().sort(d3.descending),
  	                measurez = measures.call(this, d, i).slice().sort(d3.descending);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-bulletChart').data([d]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-bulletChart');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-bulletWrap');
  	            gEnter.append('g').attr('class', 'nv-titles');
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            // Compute the new x-scale.
  	            var x1 = d3.scale.linear()
  	                .domain([0, Math.max(rangez[0], (markerz[0] || 0), measurez[0])])  // TODO: need to allow forceX and forceY, and xDomain, yDomain
  	                .range(reverse ? [availableWidth, 0] : [0, availableWidth]);
  	
  	            // Retrieve the old x-scale, if this is an update.
  	            var x0 = this.__chart__ || d3.scale.linear()
  	                .domain([0, Infinity])
  	                .range(x1.range());
  	
  	            // Stash the new scale.
  	            this.__chart__ = x1;
  	
  	            var w0 = function(d) { return Math.abs(x0(d) - x0(0)) }, // TODO: could optimize by precalculating x0(0) and x1(0)
  	                w1 = function(d) { return Math.abs(x1(d) - x1(0)) };
  	
  	            var title = gEnter.select('.nv-titles').append('g')
  	                .attr('text-anchor', 'end')
  	                .attr('transform', 'translate(-6,' + (height - margin.top - margin.bottom) / 2 + ')');
  	            title.append('text')
  	                .attr('class', 'nv-title')
  	                .text(function(d) { return d.title; });
  	
  	            title.append('text')
  	                .attr('class', 'nv-subtitle')
  	                .attr('dy', '1em')
  	                .text(function(d) { return d.subtitle; });
  	
  	            bullet
  	                .width(availableWidth)
  	                .height(availableHeight)
  	
  	            var bulletWrap = g.select('.nv-bulletWrap');
  	            d3.transition(bulletWrap).call(bullet);
  	
  	            // Compute the tick format.
  	            var format = tickFormat || x1.tickFormat( availableWidth / 100 );
  	
  	            // Update the tick groups.
  	            var tick = g.selectAll('g.nv-tick')
  	                .data(x1.ticks( ticks ? ticks : (availableWidth / 50) ), function(d) {
  	                    return this.textContent || format(d);
  	                });
  	
  	            // Initialize the ticks with the old scale, x0.
  	            var tickEnter = tick.enter().append('g')
  	                .attr('class', 'nv-tick')
  	                .attr('transform', function(d) { return 'translate(' + x0(d) + ',0)' })
  	                .style('opacity', 1e-6);
  	
  	            tickEnter.append('line')
  	                .attr('y1', availableHeight)
  	                .attr('y2', availableHeight * 7 / 6);
  	
  	            tickEnter.append('text')
  	                .attr('text-anchor', 'middle')
  	                .attr('dy', '1em')
  	                .attr('y', availableHeight * 7 / 6)
  	                .text(format);
  	
  	            // Transition the updating ticks to the new scale, x1.
  	            var tickUpdate = d3.transition(tick)
  	                .attr('transform', function(d) { return 'translate(' + x1(d) + ',0)' })
  	                .style('opacity', 1);
  	
  	            tickUpdate.select('line')
  	                .attr('y1', availableHeight)
  	                .attr('y2', availableHeight * 7 / 6);
  	
  	            tickUpdate.select('text')
  	                .attr('y', availableHeight * 7 / 6);
  	
  	            // Transition the exiting ticks to the new scale, x1.
  	            d3.transition(tick.exit())
  	                .attr('transform', function(d) { return 'translate(' + x1(d) + ',0)' })
  	                .style('opacity', 1e-6)
  	                .remove();
  	        });
  	
  	        d3.timer.flush();
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Event Handling/Dispatching (out of chart's scope)
  	    //------------------------------------------------------------
  	
  	    bullet.dispatch.on('elementMouseover.tooltip', function(evt) {
  	        evt['series'] = {
  	            key: evt.label,
  	            value: evt.value,
  	            color: evt.color
  	        };
  	        tooltip.data(evt).hidden(false);
  	    });
  	
  	    bullet.dispatch.on('elementMouseout.tooltip', function(evt) {
  	        tooltip.hidden(true);
  	    });
  	
  	    bullet.dispatch.on('elementMousemove.tooltip', function(evt) {
  	        tooltip();
  	    });
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.bullet = bullet;
  	    chart.dispatch = dispatch;
  	    chart.tooltip = tooltip;
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        ranges:      {get: function(){return ranges;}, set: function(_){ranges=_;}}, // ranges (bad, satisfactory, good)
  	        markers:     {get: function(){return markers;}, set: function(_){markers=_;}}, // markers (previous, goal)
  	        measures: {get: function(){return measures;}, set: function(_){measures=_;}}, // measures (actual, forecast)
  	        width:    {get: function(){return width;}, set: function(_){width=_;}},
  	        height:    {get: function(){return height;}, set: function(_){height=_;}},
  	        tickFormat:    {get: function(){return tickFormat;}, set: function(_){tickFormat=_;}},
  	        ticks:    {get: function(){return ticks;}, set: function(_){ticks=_;}},
  	        noData:    {get: function(){return noData;}, set: function(_){noData=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        orient: {get: function(){return orient;}, set: function(_){ // left, right, top, bottom
  	            orient = _;
  	            reverse = orient == 'right' || orient == 'bottom';
  	        }}
  	    });
  	
  	    nv.utils.inheritOptions(chart, bullet);
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	
  	
  	
  	nv.models.candlestickBar = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 0, right: 0, bottom: 0, left: 0}
  	        , width = null
  	        , height = null
  	        , id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
  	        , container
  	        , x = d3.scale.linear()
  	        , y = d3.scale.linear()
  	        , getX = function(d) { return d.x }
  	        , getY = function(d) { return d.y }
  	        , getOpen = function(d) { return d.open }
  	        , getClose = function(d) { return d.close }
  	        , getHigh = function(d) { return d.high }
  	        , getLow = function(d) { return d.low }
  	        , forceX = []
  	        , forceY = []
  	        , padData     = false // If true, adds half a data points width to front and back, for lining up a line chart with a bar chart
  	        , clipEdge = true
  	        , color = nv.utils.defaultColor()
  	        , interactive = false
  	        , xDomain
  	        , yDomain
  	        , xRange
  	        , yRange
  	        , dispatch = d3.dispatch('stateChange', 'changeState', 'renderEnd', 'chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout', 'elementMousemove')
  	        ;
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    function chart(selection) {
  	        selection.each(function(data) {
  	            container = d3.select(this);
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	            nv.utils.initSVG(container);
  	
  	            // Width of the candlestick bars.
  	            var barWidth = (availableWidth / data[0].values.length) * .45;
  	
  	            // Setup Scales
  	            x.domain(xDomain || d3.extent(data[0].values.map(getX).concat(forceX) ));
  	
  	            if (padData)
  	                x.range(xRange || [availableWidth * .5 / data[0].values.length, availableWidth * (data[0].values.length - .5)  / data[0].values.length ]);
  	            else
  	                x.range(xRange || [5 + barWidth / 2, availableWidth - barWidth / 2 - 5]);
  	
  	            y.domain(yDomain || [
  	                    d3.min(data[0].values.map(getLow).concat(forceY)),
  	                    d3.max(data[0].values.map(getHigh).concat(forceY))
  	                ]
  	            ).range(yRange || [availableHeight, 0]);
  	
  	            // If scale's domain don't have a range, slightly adjust to make one... so a chart can show a single data point
  	            if (x.domain()[0] === x.domain()[1])
  	                x.domain()[0] ?
  	                    x.domain([x.domain()[0] - x.domain()[0] * 0.01, x.domain()[1] + x.domain()[1] * 0.01])
  	                    : x.domain([-1,1]);
  	
  	            if (y.domain()[0] === y.domain()[1])
  	                y.domain()[0] ?
  	                    y.domain([y.domain()[0] + y.domain()[0] * 0.01, y.domain()[1] - y.domain()[1] * 0.01])
  	                    : y.domain([-1,1]);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = d3.select(this).selectAll('g.nv-wrap.nv-candlestickBar').data([data[0].values]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-candlestickBar');
  	            var defsEnter = wrapEnter.append('defs');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-ticks');
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            container
  	                .on('click', function(d,i) {
  	                    dispatch.chartClick({
  	                        data: d,
  	                        index: i,
  	                        pos: d3.event,
  	                        id: id
  	                    });
  	                });
  	
  	            defsEnter.append('clipPath')
  	                .attr('id', 'nv-chart-clip-path-' + id)
  	                .append('rect');
  	
  	            wrap.select('#nv-chart-clip-path-' + id + ' rect')
  	                .attr('width', availableWidth)
  	                .attr('height', availableHeight);
  	
  	            g   .attr('clip-path', clipEdge ? 'url(#nv-chart-clip-path-' + id + ')' : '');
  	
  	            var ticks = wrap.select('.nv-ticks').selectAll('.nv-tick')
  	                .data(function(d) { return d });
  	            ticks.exit().remove();
  	
  	            var tickGroups = ticks.enter().append('g');
  	
  	            // The colors are currently controlled by CSS.
  	            ticks
  	                .attr('class', function(d, i, j) { return (getOpen(d, i) > getClose(d, i) ? 'nv-tick negative' : 'nv-tick positive') + ' nv-tick-' + j + '-' + i});
  	
  	            var lines = tickGroups.append('line')
  	                .attr('class', 'nv-candlestick-lines')
  	                .attr('transform', function(d, i) { return 'translate(' + x(getX(d, i)) + ',0)'; })
  	                .attr('x1', 0)
  	                .attr('y1', function(d, i) { return y(getHigh(d, i)); })
  	                .attr('x2', 0)
  	                .attr('y2', function(d, i) { return y(getLow(d, i)); });
  	
  	            var rects = tickGroups.append('rect')
  	                .attr('class', 'nv-candlestick-rects nv-bars')
  	                .attr('transform', function(d, i) {
  	                    return 'translate(' + (x(getX(d, i)) - barWidth/2) + ','
  	                    + (y(getY(d, i)) - (getOpen(d, i) > getClose(d, i) ? (y(getClose(d, i)) - y(getOpen(d, i))) : 0))
  	                    + ')';
  	                })
  	                .attr('x', 0)
  	                .attr('y', 0)
  	                .attr('width', barWidth)
  	                .attr('height', function(d, i) {
  	                    var open = getOpen(d, i);
  	                    var close = getClose(d, i);
  	                    return open > close ? y(close) - y(open) : y(open) - y(close);
  	                });
  	
  	            ticks.select('.nv-candlestick-lines').transition()
  	                .attr('transform', function(d, i) { return 'translate(' + x(getX(d, i)) + ',0)'; })
  	                .attr('x1', 0)
  	                .attr('y1', function(d, i) { return y(getHigh(d, i)); })
  	                .attr('x2', 0)
  	                .attr('y2', function(d, i) { return y(getLow(d, i)); });
  	
  	            ticks.select('.nv-candlestick-rects').transition()
  	                .attr('transform', function(d, i) {
  	                    return 'translate(' + (x(getX(d, i)) - barWidth/2) + ','
  	                    + (y(getY(d, i)) - (getOpen(d, i) > getClose(d, i) ? (y(getClose(d, i)) - y(getOpen(d, i))) : 0))
  	                    + ')';
  	                })
  	                .attr('x', 0)
  	                .attr('y', 0)
  	                .attr('width', barWidth)
  	                .attr('height', function(d, i) {
  	                    var open = getOpen(d, i);
  	                    var close = getClose(d, i);
  	                    return open > close ? y(close) - y(open) : y(open) - y(close);
  	                });
  	        });
  	
  	        return chart;
  	    }
  	
  	
  	    //Create methods to allow outside functions to highlight a specific bar.
  	    chart.highlightPoint = function(pointIndex, isHoverOver) {
  	        chart.clearHighlights();
  	        container.select(".nv-candlestickBar .nv-tick-0-" + pointIndex)
  	            .classed("hover", isHoverOver)
  	        ;
  	    };
  	
  	    chart.clearHighlights = function() {
  	        container.select(".nv-candlestickBar .nv-tick.hover")
  	            .classed("hover", false)
  	        ;
  	    };
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:    {get: function(){return width;}, set: function(_){width=_;}},
  	        height:   {get: function(){return height;}, set: function(_){height=_;}},
  	        xScale:   {get: function(){return x;}, set: function(_){x=_;}},
  	        yScale:   {get: function(){return y;}, set: function(_){y=_;}},
  	        xDomain:  {get: function(){return xDomain;}, set: function(_){xDomain=_;}},
  	        yDomain:  {get: function(){return yDomain;}, set: function(_){yDomain=_;}},
  	        xRange:   {get: function(){return xRange;}, set: function(_){xRange=_;}},
  	        yRange:   {get: function(){return yRange;}, set: function(_){yRange=_;}},
  	        forceX:   {get: function(){return forceX;}, set: function(_){forceX=_;}},
  	        forceY:   {get: function(){return forceY;}, set: function(_){forceY=_;}},
  	        padData:  {get: function(){return padData;}, set: function(_){padData=_;}},
  	        clipEdge: {get: function(){return clipEdge;}, set: function(_){clipEdge=_;}},
  	        id:       {get: function(){return id;}, set: function(_){id=_;}},
  	        interactive: {get: function(){return interactive;}, set: function(_){interactive=_;}},
  	
  	        x:     {get: function(){return getX;}, set: function(_){getX=_;}},
  	        y:     {get: function(){return getY;}, set: function(_){getY=_;}},
  	        open:  {get: function(){return getOpen();}, set: function(_){getOpen=_;}},
  	        close: {get: function(){return getClose();}, set: function(_){getClose=_;}},
  	        high:  {get: function(){return getHigh;}, set: function(_){getHigh=_;}},
  	        low:   {get: function(){return getLow;}, set: function(_){getLow=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    != undefined ? _.top    : margin.top;
  	            margin.right  = _.right  != undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom != undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   != undefined ? _.left   : margin.left;
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }}
  	    });
  	
  	    nv.utils.initOptions(chart);
  	    return chart;
  	};
  	
  	nv.models.cumulativeLineChart = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var lines = nv.models.line()
  	        , xAxis = nv.models.axis()
  	        , yAxis = nv.models.axis()
  	        , legend = nv.models.legend()
  	        , controls = nv.models.legend()
  	        , interactiveLayer = nv.interactiveGuideline()
  	        , tooltip = nv.models.tooltip()
  	        ;
  	
  	    var margin = {top: 30, right: 30, bottom: 50, left: 60}
  	        , color = nv.utils.defaultColor()
  	        , width = null
  	        , height = null
  	        , showLegend = true
  	        , showXAxis = true
  	        , showYAxis = true
  	        , rightAlignYAxis = false
  	        , showControls = true
  	        , useInteractiveGuideline = false
  	        , rescaleY = true
  	        , x //can be accessed via chart.xScale()
  	        , y //can be accessed via chart.yScale()
  	        , id = lines.id()
  	        , state = nv.utils.state()
  	        , defaultState = null
  	        , noData = null
  	        , average = function(d) { return d.average }
  	        , dispatch = d3.dispatch('stateChange', 'changeState', 'renderEnd')
  	        , transitionDuration = 250
  	        , duration = 250
  	        , noErrorCheck = false  //if set to TRUE, will bypass an error check in the indexify function.
  	        ;
  	
  	    state.index = 0;
  	    state.rescaleY = rescaleY;
  	
  	    xAxis.orient('bottom').tickPadding(7);
  	    yAxis.orient((rightAlignYAxis) ? 'right' : 'left');
  	
  	    tooltip.valueFormatter(function(d, i) {
  	        return yAxis.tickFormat()(d, i);
  	    }).headerFormatter(function(d, i) {
  	        return xAxis.tickFormat()(d, i);
  	    });
  	
  	    controls.updateState(false);
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var dx = d3.scale.linear()
  	        , index = {i: 0, x: 0}
  	        , renderWatch = nv.utils.renderWatch(dispatch, duration)
  	        ;
  	
  	    var stateGetter = function(data) {
  	        return function(){
  	            return {
  	                active: data.map(function(d) { return !d.disabled }),
  	                index: index.i,
  	                rescaleY: rescaleY
  	            };
  	        }
  	    };
  	
  	    var stateSetter = function(data) {
  	        return function(state) {
  	            if (state.index !== undefined)
  	                index.i = state.index;
  	            if (state.rescaleY !== undefined)
  	                rescaleY = state.rescaleY;
  	            if (state.active !== undefined)
  	                data.forEach(function(series,i) {
  	                    series.disabled = !state.active[i];
  	                });
  	        }
  	    };
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        renderWatch.models(lines);
  	        if (showXAxis) renderWatch.models(xAxis);
  	        if (showYAxis) renderWatch.models(yAxis);
  	        selection.each(function(data) {
  	            var container = d3.select(this);
  	            nv.utils.initSVG(container);
  	            container.classed('nv-chart-' + id, true);
  	            var that = this;
  	
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	            chart.update = function() {
  	                if (duration === 0)
  	                    container.call(chart);
  	                else
  	                    container.transition().duration(duration).call(chart)
  	            };
  	            chart.container = this;
  	
  	            state
  	                .setter(stateSetter(data), chart.update)
  	                .getter(stateGetter(data))
  	                .update();
  	
  	            // DEPRECATED set state.disableddisabled
  	            state.disabled = data.map(function(d) { return !!d.disabled });
  	
  	            if (!defaultState) {
  	                var key;
  	                defaultState = {};
  	                for (key in state) {
  	                    if (state[key] instanceof Array)
  	                        defaultState[key] = state[key].slice(0);
  	                    else
  	                        defaultState[key] = state[key];
  	                }
  	            }
  	
  	            var indexDrag = d3.behavior.drag()
  	                .on('dragstart', dragStart)
  	                .on('drag', dragMove)
  	                .on('dragend', dragEnd);
  	
  	
  	            function dragStart(d,i) {
  	                d3.select(chart.container)
  	                    .style('cursor', 'ew-resize');
  	            }
  	
  	            function dragMove(d,i) {
  	                index.x = d3.event.x;
  	                index.i = Math.round(dx.invert(index.x));
  	                updateZero();
  	            }
  	
  	            function dragEnd(d,i) {
  	                d3.select(chart.container)
  	                    .style('cursor', 'auto');
  	
  	                // update state and send stateChange with new index
  	                state.index = index.i;
  	                dispatch.stateChange(state);
  	            }
  	
  	            // Display No Data message if there's nothing to show.
  	            if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
  	                nv.utils.noData(chart, container)
  	                return chart;
  	            } else {
  	                container.selectAll('.nv-noData').remove();
  	            }
  	
  	            // Setup Scales
  	            x = lines.xScale();
  	            y = lines.yScale();
  	
  	            if (!rescaleY) {
  	                var seriesDomains = data
  	                    .filter(function(series) { return !series.disabled })
  	                    .map(function(series,i) {
  	                        var initialDomain = d3.extent(series.values, lines.y());
  	
  	                        //account for series being disabled when losing 95% or more
  	                        if (initialDomain[0] < -.95) initialDomain[0] = -.95;
  	
  	                        return [
  	                                (initialDomain[0] - initialDomain[1]) / (1 + initialDomain[1]),
  	                                (initialDomain[1] - initialDomain[0]) / (1 + initialDomain[0])
  	                        ];
  	                    });
  	
  	                var completeDomain = [
  	                    d3.min(seriesDomains, function(d) { return d[0] }),
  	                    d3.max(seriesDomains, function(d) { return d[1] })
  	                ];
  	
  	                lines.yDomain(completeDomain);
  	            } else {
  	                lines.yDomain(null);
  	            }
  	
  	            dx.domain([0, data[0].values.length - 1]) //Assumes all series have same length
  	                .range([0, availableWidth])
  	                .clamp(true);
  	
  	            var data = indexify(index.i, data);
  	
  	            // Setup containers and skeleton of chart
  	            var interactivePointerEvents = (useInteractiveGuideline) ? "none" : "all";
  	            var wrap = container.selectAll('g.nv-wrap.nv-cumulativeLine').data([data]);
  	            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-cumulativeLine').append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-interactive');
  	            gEnter.append('g').attr('class', 'nv-x nv-axis').style("pointer-events","none");
  	            gEnter.append('g').attr('class', 'nv-y nv-axis');
  	            gEnter.append('g').attr('class', 'nv-background');
  	            gEnter.append('g').attr('class', 'nv-linesWrap').style("pointer-events",interactivePointerEvents);
  	            gEnter.append('g').attr('class', 'nv-avgLinesWrap').style("pointer-events","none");
  	            gEnter.append('g').attr('class', 'nv-legendWrap');
  	            gEnter.append('g').attr('class', 'nv-controlsWrap');
  	
  	            // Legend
  	            if (!showLegend) {
  	                g.select('.nv-legendWrap').selectAll('*').remove();
  	            } else {
  	                legend.width(availableWidth);
  	
  	                g.select('.nv-legendWrap')
  	                    .datum(data)
  	                    .call(legend);
  	
  	                if (legend.height() > margin.top) {
  	                    margin.top = legend.height();
  	                    availableHeight = nv.utils.availableHeight(height, container, margin);
  	                }
  	
  	                g.select('.nv-legendWrap')
  	                    .attr('transform', 'translate(0,' + (-margin.top) +')')
  	            }
  	
  	            // Controls
  	            if (!showControls) {
  	                 g.select('.nv-controlsWrap').selectAll('*').remove();
  	            } else {
  	                var controlsData = [
  	                    { key: 'Re-scale y-axis', disabled: !rescaleY }
  	                ];
  	
  	                controls
  	                    .width(140)
  	                    .color(['#444', '#444', '#444'])
  	                    .rightAlign(false)
  	                    .margin({top: 5, right: 0, bottom: 5, left: 20})
  	                ;
  	
  	                g.select('.nv-controlsWrap')
  	                    .datum(controlsData)
  	                    .attr('transform', 'translate(0,' + (-margin.top) +')')
  	                    .call(controls);
  	            }
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            if (rightAlignYAxis) {
  	                g.select(".nv-y.nv-axis")
  	                    .attr("transform", "translate(" + availableWidth + ",0)");
  	            }
  	
  	            // Show error if series goes below 100%
  	            var tempDisabled = data.filter(function(d) { return d.tempDisabled });
  	
  	            wrap.select('.tempDisabled').remove(); //clean-up and prevent duplicates
  	            if (tempDisabled.length) {
  	                wrap.append('text').attr('class', 'tempDisabled')
  	                    .attr('x', availableWidth / 2)
  	                    .attr('y', '-.71em')
  	                    .style('text-anchor', 'end')
  	                    .text(tempDisabled.map(function(d) { return d.key }).join(', ') + ' values cannot be calculated for this time period.');
  	            }
  	
  	            //Set up interactive layer
  	            if (useInteractiveGuideline) {
  	                interactiveLayer
  	                    .width(availableWidth)
  	                    .height(availableHeight)
  	                    .margin({left:margin.left,top:margin.top})
  	                    .svgContainer(container)
  	                    .xScale(x);
  	                wrap.select(".nv-interactive").call(interactiveLayer);
  	            }
  	
  	            gEnter.select('.nv-background')
  	                .append('rect');
  	
  	            g.select('.nv-background rect')
  	                .attr('width', availableWidth)
  	                .attr('height', availableHeight);
  	
  	            lines
  	                //.x(function(d) { return d.x })
  	                .y(function(d) { return d.display.y })
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .color(data.map(function(d,i) {
  	                    return d.color || color(d, i);
  	                }).filter(function(d,i) { return !data[i].disabled && !data[i].tempDisabled; }));
  	
  	            var linesWrap = g.select('.nv-linesWrap')
  	                .datum(data.filter(function(d) { return  !d.disabled && !d.tempDisabled }));
  	
  	            linesWrap.call(lines);
  	
  	            //Store a series index number in the data array.
  	            data.forEach(function(d,i) {
  	                d.seriesIndex = i;
  	            });
  	
  	            var avgLineData = data.filter(function(d) {
  	                return !d.disabled && !!average(d);
  	            });
  	
  	            var avgLines = g.select(".nv-avgLinesWrap").selectAll("line")
  	                .data(avgLineData, function(d) { return d.key; });
  	
  	            var getAvgLineY = function(d) {
  	                //If average lines go off the svg element, clamp them to the svg bounds.
  	                var yVal = y(average(d));
  	                if (yVal < 0) return 0;
  	                if (yVal > availableHeight) return availableHeight;
  	                return yVal;
  	            };
  	
  	            avgLines.enter()
  	                .append('line')
  	                .style('stroke-width',2)
  	                .style('stroke-dasharray','10,10')
  	                .style('stroke',function (d,i) {
  	                    return lines.color()(d,d.seriesIndex);
  	                })
  	                .attr('x1',0)
  	                .attr('x2',availableWidth)
  	                .attr('y1', getAvgLineY)
  	                .attr('y2', getAvgLineY);
  	
  	            avgLines
  	                .style('stroke-opacity',function(d){
  	                    //If average lines go offscreen, make them transparent
  	                    var yVal = y(average(d));
  	                    if (yVal < 0 || yVal > availableHeight) return 0;
  	                    return 1;
  	                })
  	                .attr('x1',0)
  	                .attr('x2',availableWidth)
  	                .attr('y1', getAvgLineY)
  	                .attr('y2', getAvgLineY);
  	
  	            avgLines.exit().remove();
  	
  	            //Create index line
  	            var indexLine = linesWrap.selectAll('.nv-indexLine')
  	                .data([index]);
  	            indexLine.enter().append('rect').attr('class', 'nv-indexLine')
  	                .attr('width', 3)
  	                .attr('x', -2)
  	                .attr('fill', 'red')
  	                .attr('fill-opacity', .5)
  	                .style("pointer-events","all")
  	                .call(indexDrag);
  	
  	            indexLine
  	                .attr('transform', function(d) { return 'translate(' + dx(d.i) + ',0)' })
  	                .attr('height', availableHeight);
  	
  	            // Setup Axes
  	            if (showXAxis) {
  	                xAxis
  	                    .scale(x)
  	                    ._ticks( nv.utils.calcTicksX(availableWidth/70, data) )
  	                    .tickSize(-availableHeight, 0);
  	
  	                g.select('.nv-x.nv-axis')
  	                    .attr('transform', 'translate(0,' + y.range()[0] + ')');
  	                g.select('.nv-x.nv-axis')
  	                    .call(xAxis);
  	            }
  	
  	            if (showYAxis) {
  	                yAxis
  	                    .scale(y)
  	                    ._ticks( nv.utils.calcTicksY(availableHeight/36, data) )
  	                    .tickSize( -availableWidth, 0);
  	
  	                g.select('.nv-y.nv-axis')
  	                    .call(yAxis);
  	            }
  	
  	            //============================================================
  	            // Event Handling/Dispatching (in chart's scope)
  	            //------------------------------------------------------------
  	
  	            function updateZero() {
  	                indexLine
  	                    .data([index]);
  	
  	                //When dragging the index line, turn off line transitions.
  	                // Then turn them back on when done dragging.
  	                var oldDuration = chart.duration();
  	                chart.duration(0);
  	                chart.update();
  	                chart.duration(oldDuration);
  	            }
  	
  	            g.select('.nv-background rect')
  	                .on('click', function() {
  	                    index.x = d3.mouse(this)[0];
  	                    index.i = Math.round(dx.invert(index.x));
  	
  	                    // update state and send stateChange with new index
  	                    state.index = index.i;
  	                    dispatch.stateChange(state);
  	
  	                    updateZero();
  	                });
  	
  	            lines.dispatch.on('elementClick', function(e) {
  	                index.i = e.pointIndex;
  	                index.x = dx(index.i);
  	
  	                // update state and send stateChange with new index
  	                state.index = index.i;
  	                dispatch.stateChange(state);
  	
  	                updateZero();
  	            });
  	
  	            controls.dispatch.on('legendClick', function(d,i) {
  	                d.disabled = !d.disabled;
  	                rescaleY = !d.disabled;
  	
  	                state.rescaleY = rescaleY;
  	                dispatch.stateChange(state);
  	                chart.update();
  	            });
  	
  	            legend.dispatch.on('stateChange', function(newState) {
  	                for (var key in newState)
  	                    state[key] = newState[key];
  	                dispatch.stateChange(state);
  	                chart.update();
  	            });
  	
  	            interactiveLayer.dispatch.on('elementMousemove', function(e) {
  	                lines.clearHighlights();
  	                var singlePoint, pointIndex, pointXLocation, allData = [];
  	
  	                data
  	                    .filter(function(series, i) {
  	                        series.seriesIndex = i;
  	                        return !series.disabled;
  	                    })
  	                    .forEach(function(series,i) {
  	                        pointIndex = nv.interactiveBisect(series.values, e.pointXValue, chart.x());
  	                        lines.highlightPoint(i, pointIndex, true);
  	                        var point = series.values[pointIndex];
  	                        if (typeof point === 'undefined') return;
  	                        if (typeof singlePoint === 'undefined') singlePoint = point;
  	                        if (typeof pointXLocation === 'undefined') pointXLocation = chart.xScale()(chart.x()(point,pointIndex));
  	                        allData.push({
  	                            key: series.key,
  	                            value: chart.y()(point, pointIndex),
  	                            color: color(series,series.seriesIndex)
  	                        });
  	                    });
  	
  	                //Highlight the tooltip entry based on which point the mouse is closest to.
  	                if (allData.length > 2) {
  	                    var yValue = chart.yScale().invert(e.mouseY);
  	                    var domainExtent = Math.abs(chart.yScale().domain()[0] - chart.yScale().domain()[1]);
  	                    var threshold = 0.03 * domainExtent;
  	                    var indexToHighlight = nv.nearestValueIndex(allData.map(function(d){return d.value}),yValue,threshold);
  	                    if (indexToHighlight !== null)
  	                        allData[indexToHighlight].highlight = true;
  	                }
  	
  	                var xValue = xAxis.tickFormat()(chart.x()(singlePoint,pointIndex), pointIndex);
  	                interactiveLayer.tooltip
  	                    .valueFormatter(function(d,i) {
  	                        return yAxis.tickFormat()(d);
  	                    })
  	                    .data(
  	                    {
  	                        value: xValue,
  	                        series: allData
  	                    }
  	                )();
  	
  	                interactiveLayer.renderGuideLine(pointXLocation);
  	            });
  	
  	            interactiveLayer.dispatch.on("elementMouseout",function(e) {
  	                lines.clearHighlights();
  	            });
  	
  	            // Update chart from a state object passed to event handler
  	            dispatch.on('changeState', function(e) {
  	                if (typeof e.disabled !== 'undefined') {
  	                    data.forEach(function(series,i) {
  	                        series.disabled = e.disabled[i];
  	                    });
  	
  	                    state.disabled = e.disabled;
  	                }
  	
  	                if (typeof e.index !== 'undefined') {
  	                    index.i = e.index;
  	                    index.x = dx(index.i);
  	
  	                    state.index = e.index;
  	
  	                    indexLine
  	                        .data([index]);
  	                }
  	
  	                if (typeof e.rescaleY !== 'undefined') {
  	                    rescaleY = e.rescaleY;
  	                }
  	
  	                chart.update();
  	            });
  	
  	        });
  	
  	        renderWatch.renderEnd('cumulativeLineChart immediate');
  	
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Event Handling/Dispatching (out of chart's scope)
  	    //------------------------------------------------------------
  	
  	    lines.dispatch.on('elementMouseover.tooltip', function(evt) {
  	        var point = {
  	            x: chart.x()(evt.point),
  	            y: chart.y()(evt.point),
  	            color: evt.point.color
  	        };
  	        evt.point = point;
  	        tooltip.data(evt).hidden(false);
  	    });
  	
  	    lines.dispatch.on('elementMouseout.tooltip', function(evt) {
  	        tooltip.hidden(true)
  	    });
  	
  	    //============================================================
  	    // Functions
  	    //------------------------------------------------------------
  	
  	    var indexifyYGetter = null;
  	    /* Normalize the data according to an index point. */
  	    function indexify(idx, data) {
  	        if (!indexifyYGetter) indexifyYGetter = lines.y();
  	        return data.map(function(line, i) {
  	            if (!line.values) {
  	                return line;
  	            }
  	            var indexValue = line.values[idx];
  	            if (indexValue == null) {
  	                return line;
  	            }
  	            var v = indexifyYGetter(indexValue, idx);
  	
  	            //TODO: implement check below, and disable series if series loses 100% or more cause divide by 0 issue
  	            if (v < -.95 && !noErrorCheck) {
  	                //if a series loses more than 100%, calculations fail.. anything close can cause major distortion (but is mathematically correct till it hits 100)
  	
  	                line.tempDisabled = true;
  	                return line;
  	            }
  	
  	            line.tempDisabled = false;
  	
  	            line.values = line.values.map(function(point, pointIndex) {
  	                point.display = {'y': (indexifyYGetter(point, pointIndex) - v) / (1 + v) };
  	                return point;
  	            });
  	
  	            return line;
  	        })
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    // expose chart's sub-components
  	    chart.dispatch = dispatch;
  	    chart.lines = lines;
  	    chart.legend = legend;
  	    chart.controls = controls;
  	    chart.xAxis = xAxis;
  	    chart.yAxis = yAxis;
  	    chart.interactiveLayer = interactiveLayer;
  	    chart.state = state;
  	    chart.tooltip = tooltip;
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  	        rescaleY:     {get: function(){return rescaleY;}, set: function(_){rescaleY=_;}},
  	        showControls:     {get: function(){return showControls;}, set: function(_){showControls=_;}},
  	        showLegend: {get: function(){return showLegend;}, set: function(_){showLegend=_;}},
  	        average: {get: function(){return average;}, set: function(_){average=_;}},
  	        defaultState:    {get: function(){return defaultState;}, set: function(_){defaultState=_;}},
  	        noData:    {get: function(){return noData;}, set: function(_){noData=_;}},
  	        showXAxis:    {get: function(){return showXAxis;}, set: function(_){showXAxis=_;}},
  	        showYAxis:    {get: function(){return showYAxis;}, set: function(_){showYAxis=_;}},
  	        noErrorCheck:    {get: function(){return noErrorCheck;}, set: function(_){noErrorCheck=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	            legend.color(color);
  	        }},
  	        useInteractiveGuideline: {get: function(){return useInteractiveGuideline;}, set: function(_){
  	            useInteractiveGuideline = _;
  	            if (_ === true) {
  	                chart.interactive(false);
  	                chart.useVoronoi(false);
  	            }
  	        }},
  	        rightAlignYAxis: {get: function(){return rightAlignYAxis;}, set: function(_){
  	            rightAlignYAxis = _;
  	            yAxis.orient( (_) ? 'right' : 'left');
  	        }},
  	        duration:    {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            lines.duration(duration);
  	            xAxis.duration(duration);
  	            yAxis.duration(duration);
  	            renderWatch.reset(duration);
  	        }}
  	    });
  	
  	    nv.utils.inheritOptions(chart, lines);
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	//TODO: consider deprecating by adding necessary features to multiBar model
  	nv.models.discreteBar = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 0, right: 0, bottom: 0, left: 0}
  	        , width = 960
  	        , height = 500
  	        , id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
  	        , container
  	        , x = d3.scale.ordinal()
  	        , y = d3.scale.linear()
  	        , getX = function(d) { return d.x }
  	        , getY = function(d) { return d.y }
  	        , forceY = [0] // 0 is forced by default.. this makes sense for the majority of bar graphs... user can always do chart.forceY([]) to remove
  	        , color = nv.utils.defaultColor()
  	        , showValues = false
  	        , valueFormat = d3.format(',.2f')
  	        , xDomain
  	        , yDomain
  	        , xRange
  	        , yRange
  	        , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout', 'elementMousemove', 'renderEnd')
  	        , rectClass = 'discreteBar'
  	        , duration = 250
  	        ;
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var x0, y0;
  	    var renderWatch = nv.utils.renderWatch(dispatch, duration);
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        selection.each(function(data) {
  	            var availableWidth = width - margin.left - margin.right,
  	                availableHeight = height - margin.top - margin.bottom;
  	
  	            container = d3.select(this);
  	            nv.utils.initSVG(container);
  	
  	            //add series index to each data point for reference
  	            data.forEach(function(series, i) {
  	                series.values.forEach(function(point) {
  	                    point.series = i;
  	                });
  	            });
  	
  	            // Setup Scales
  	            // remap and flatten the data for use in calculating the scales' domains
  	            var seriesData = (xDomain && yDomain) ? [] : // if we know xDomain and yDomain, no need to calculate
  	                data.map(function(d) {
  	                    return d.values.map(function(d,i) {
  	                        return { x: getX(d,i), y: getY(d,i), y0: d.y0 }
  	                    })
  	                });
  	
  	            x   .domain(xDomain || d3.merge(seriesData).map(function(d) { return d.x }))
  	                .rangeBands(xRange || [0, availableWidth], .1);
  	            y   .domain(yDomain || d3.extent(d3.merge(seriesData).map(function(d) { return d.y }).concat(forceY)));
  	
  	            // If showValues, pad the Y axis range to account for label height
  	            if (showValues) y.range(yRange || [availableHeight - (y.domain()[0] < 0 ? 12 : 0), y.domain()[1] > 0 ? 12 : 0]);
  	            else y.range(yRange || [availableHeight, 0]);
  	
  	            //store old scales if they exist
  	            x0 = x0 || x;
  	            y0 = y0 || y.copy().range([y(0),y(0)]);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-discretebar').data([data]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-discretebar');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-groups');
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            //TODO: by definition, the discrete bar should not have multiple groups, will modify/remove later
  	            var groups = wrap.select('.nv-groups').selectAll('.nv-group')
  	                .data(function(d) { return d }, function(d) { return d.key });
  	            groups.enter().append('g')
  	                .style('stroke-opacity', 1e-6)
  	                .style('fill-opacity', 1e-6);
  	            groups.exit()
  	                .watchTransition(renderWatch, 'discreteBar: exit groups')
  	                .style('stroke-opacity', 1e-6)
  	                .style('fill-opacity', 1e-6)
  	                .remove();
  	            groups
  	                .attr('class', function(d,i) { return 'nv-group nv-series-' + i })
  	                .classed('hover', function(d) { return d.hover });
  	            groups
  	                .watchTransition(renderWatch, 'discreteBar: groups')
  	                .style('stroke-opacity', 1)
  	                .style('fill-opacity', .75);
  	
  	            var bars = groups.selectAll('g.nv-bar')
  	                .data(function(d) { return d.values });
  	            bars.exit().remove();
  	
  	            var barsEnter = bars.enter().append('g')
  	                .attr('transform', function(d,i,j) {
  	                    return 'translate(' + (x(getX(d,i)) + x.rangeBand() * .05 ) + ', ' + y(0) + ')'
  	                })
  	                .on('mouseover', function(d,i) { //TODO: figure out why j works above, but not here
  	                    d3.select(this).classed('hover', true);
  	                    dispatch.elementMouseover({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                })
  	                .on('mouseout', function(d,i) {
  	                    d3.select(this).classed('hover', false);
  	                    dispatch.elementMouseout({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                })
  	                .on('mousemove', function(d,i) {
  	                    dispatch.elementMousemove({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                })
  	                .on('click', function(d,i) {
  	                    var element = this;
  	                    dispatch.elementClick({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill"),
  	                        event: d3.event,
  	                        element: element
  	                    });
  	                    d3.event.stopPropagation();
  	                })
  	                .on('dblclick', function(d,i) {
  	                    dispatch.elementDblClick({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                    d3.event.stopPropagation();
  	                });
  	
  	            barsEnter.append('rect')
  	                .attr('height', 0)
  	                .attr('width', x.rangeBand() * .9 / data.length )
  	
  	            if (showValues) {
  	                barsEnter.append('text')
  	                    .attr('text-anchor', 'middle')
  	                ;
  	
  	                bars.select('text')
  	                    .text(function(d,i) { return valueFormat(getY(d,i)) })
  	                    .watchTransition(renderWatch, 'discreteBar: bars text')
  	                    .attr('x', x.rangeBand() * .9 / 2)
  	                    .attr('y', function(d,i) { return getY(d,i) < 0 ? y(getY(d,i)) - y(0) + 12 : -4 })
  	
  	                ;
  	            } else {
  	                bars.selectAll('text').remove();
  	            }
  	
  	            bars
  	                .attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive' })
  	                .style('fill', function(d,i) { return d.color || color(d,i) })
  	                .style('stroke', function(d,i) { return d.color || color(d,i) })
  	                .select('rect')
  	                .attr('class', rectClass)
  	                .watchTransition(renderWatch, 'discreteBar: bars rect')
  	                .attr('width', x.rangeBand() * .9 / data.length);
  	            bars.watchTransition(renderWatch, 'discreteBar: bars')
  	                //.delay(function(d,i) { return i * 1200 / data[0].values.length })
  	                .attr('transform', function(d,i) {
  	                    var left = x(getX(d,i)) + x.rangeBand() * .05,
  	                        top = getY(d,i) < 0 ?
  	                            y(0) :
  	                                y(0) - y(getY(d,i)) < 1 ?
  	                            y(0) - 1 : //make 1 px positive bars show up above y=0
  	                            y(getY(d,i));
  	
  	                    return 'translate(' + left + ', ' + top + ')'
  	                })
  	                .select('rect')
  	                .attr('height', function(d,i) {
  	                    return  Math.max(Math.abs(y(getY(d,i)) - y(0)), 1)
  	                });
  	
  	
  	            //store old scales for use in transitions on update
  	            x0 = x.copy();
  	            y0 = y.copy();
  	
  	        });
  	
  	        renderWatch.renderEnd('discreteBar immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:   {get: function(){return width;}, set: function(_){width=_;}},
  	        height:  {get: function(){return height;}, set: function(_){height=_;}},
  	        forceY:  {get: function(){return forceY;}, set: function(_){forceY=_;}},
  	        showValues: {get: function(){return showValues;}, set: function(_){showValues=_;}},
  	        x:       {get: function(){return getX;}, set: function(_){getX=_;}},
  	        y:       {get: function(){return getY;}, set: function(_){getY=_;}},
  	        xScale:  {get: function(){return x;}, set: function(_){x=_;}},
  	        yScale:  {get: function(){return y;}, set: function(_){y=_;}},
  	        xDomain: {get: function(){return xDomain;}, set: function(_){xDomain=_;}},
  	        yDomain: {get: function(){return yDomain;}, set: function(_){yDomain=_;}},
  	        xRange:  {get: function(){return xRange;}, set: function(_){xRange=_;}},
  	        yRange:  {get: function(){return yRange;}, set: function(_){yRange=_;}},
  	        valueFormat:    {get: function(){return valueFormat;}, set: function(_){valueFormat=_;}},
  	        id:          {get: function(){return id;}, set: function(_){id=_;}},
  	        rectClass: {get: function(){return rectClass;}, set: function(_){rectClass=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	        }}
  	    });
  	
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	
  	nv.models.discreteBarChart = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var discretebar = nv.models.discreteBar()
  	        , xAxis = nv.models.axis()
  	        , yAxis = nv.models.axis()
  		, legend = nv.models.legend()
  	        , tooltip = nv.models.tooltip()
  	        ;
  	
  	    var margin = {top: 15, right: 10, bottom: 50, left: 60}
  	        , width = null
  	        , height = null
  	        , color = nv.utils.getColor()
  		, showLegend = false
  	        , showXAxis = true
  	        , showYAxis = true
  	        , rightAlignYAxis = false
  	        , staggerLabels = false
  	        , wrapLabels = false
  	        , rotateLabels = 0
  	        , x
  	        , y
  	        , noData = null
  	        , dispatch = d3.dispatch('beforeUpdate','renderEnd')
  	        , duration = 250
  	        ;
  	
  	    xAxis
  	        .orient('bottom')
  	        .showMaxMin(false)
  	        .tickFormat(function(d) { return d })
  	    ;
  	    yAxis
  	        .orient((rightAlignYAxis) ? 'right' : 'left')
  	        .tickFormat(d3.format(',.1f'))
  	    ;
  	
  	    tooltip
  	        .duration(0)
  	        .headerEnabled(false)
  	        .valueFormatter(function(d, i) {
  	            return yAxis.tickFormat()(d, i);
  	        })
  	        .keyFormatter(function(d, i) {
  	            return xAxis.tickFormat()(d, i);
  	        });
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch, duration);
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        renderWatch.models(discretebar);
  	        if (showXAxis) renderWatch.models(xAxis);
  	        if (showYAxis) renderWatch.models(yAxis);
  	
  	        selection.each(function(data) {
  	            var container = d3.select(this),
  	                that = this;
  	            nv.utils.initSVG(container);
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	            chart.update = function() {
  	                dispatch.beforeUpdate();
  	                container.transition().duration(duration).call(chart);
  	            };
  	            chart.container = this;
  	
  	            // Display No Data message if there's nothing to show.
  	            if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
  	                nv.utils.noData(chart, container);
  	                return chart;
  	            } else {
  	                container.selectAll('.nv-noData').remove();
  	            }
  	
  	            // Setup Scales
  	            x = discretebar.xScale();
  	            y = discretebar.yScale().clamp(true);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-discreteBarWithAxes').data([data]);
  	            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-discreteBarWithAxes').append('g');
  	            var defsEnter = gEnter.append('defs');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-x nv-axis');
  	            gEnter.append('g').attr('class', 'nv-y nv-axis')
  	                .append('g').attr('class', 'nv-zeroLine')
  	                .append('line');
  	
  	            gEnter.append('g').attr('class', 'nv-barsWrap');
  		    gEnter.append('g').attr('class', 'nv-legendWrap');
  	
  	            g.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            // Legend
  	            if (!showLegend) {
  	                g.select('.nv-legendWrap').selectAll('*').remove();
  	            } else {
  	                legend.width(availableWidth);
  	
  	                g.select('.nv-legendWrap')
  	                    .datum(data)
  	                    .call(legend);
  	
  	                if (legend.height() > margin.top) {
  	                    margin.top = legend.height();
  	                    availableHeight = nv.utils.availableHeight(height, container, margin);
  	                }
  	
  	                wrap.select('.nv-legendWrap')
  	                    .attr('transform', 'translate(0,' + (-margin.top) +')')
  	            }
  	
  	            if (rightAlignYAxis) {
  	                g.select(".nv-y.nv-axis")
  	                    .attr("transform", "translate(" + availableWidth + ",0)");
  	            }
  	
  	            // Main Chart Component(s)
  	            discretebar
  	                .width(availableWidth)
  	                .height(availableHeight);
  	
  	            var barsWrap = g.select('.nv-barsWrap')
  	                .datum(data.filter(function(d) { return !d.disabled }));
  	
  	            barsWrap.transition().call(discretebar);
  	
  	
  	            defsEnter.append('clipPath')
  	                .attr('id', 'nv-x-label-clip-' + discretebar.id())
  	                .append('rect');
  	
  	            g.select('#nv-x-label-clip-' + discretebar.id() + ' rect')
  	                .attr('width', x.rangeBand() * (staggerLabels ? 2 : 1))
  	                .attr('height', 16)
  	                .attr('x', -x.rangeBand() / (staggerLabels ? 1 : 2 ));
  	
  	            // Setup Axes
  	            if (showXAxis) {
  	                xAxis
  	                    .scale(x)
  	                    ._ticks( nv.utils.calcTicksX(availableWidth/100, data) )
  	                    .tickSize(-availableHeight, 0);
  	
  	                g.select('.nv-x.nv-axis')
  	                    .attr('transform', 'translate(0,' + (y.range()[0] + ((discretebar.showValues() && y.domain()[0] < 0) ? 16 : 0)) + ')');
  	                g.select('.nv-x.nv-axis').call(xAxis);
  	
  	                var xTicks = g.select('.nv-x.nv-axis').selectAll('g');
  	                if (staggerLabels) {
  	                    xTicks
  	                        .selectAll('text')
  	                        .attr('transform', function(d,i,j) { return 'translate(0,' + (j % 2 == 0 ? '5' : '17') + ')' })
  	                }
  	
  	                if (rotateLabels) {
  	                    xTicks
  	                        .selectAll('.tick text')
  	                        .attr('transform', 'rotate(' + rotateLabels + ' 0,0)')
  	                        .style('text-anchor', rotateLabels > 0 ? 'start' : 'end');
  	                }
  	
  	                if (wrapLabels) {
  	                    g.selectAll('.tick text')
  	                        .call(nv.utils.wrapTicks, chart.xAxis.rangeBand())
  	                }
  	            }
  	
  	            if (showYAxis) {
  	                yAxis
  	                    .scale(y)
  	                    ._ticks( nv.utils.calcTicksY(availableHeight/36, data) )
  	                    .tickSize( -availableWidth, 0);
  	
  	                g.select('.nv-y.nv-axis').call(yAxis);
  	            }
  	
  	            // Zero line
  	            g.select(".nv-zeroLine line")
  	                .attr("x1",0)
  	                .attr("x2",(rightAlignYAxis) ? -availableWidth : availableWidth)
  	                .attr("y1", y(0))
  	                .attr("y2", y(0))
  	            ;
  	        });
  	
  	        renderWatch.renderEnd('discreteBar chart immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Event Handling/Dispatching (out of chart's scope)
  	    //------------------------------------------------------------
  	
  	    discretebar.dispatch.on('elementMouseover.tooltip', function(evt) {
  	        evt['series'] = {
  	            key: chart.x()(evt.data),
  	            value: chart.y()(evt.data),
  	            color: evt.color
  	        };
  	        tooltip.data(evt).hidden(false);
  	    });
  	
  	    discretebar.dispatch.on('elementMouseout.tooltip', function(evt) {
  	        tooltip.hidden(true);
  	    });
  	
  	    discretebar.dispatch.on('elementMousemove.tooltip', function(evt) {
  	        tooltip();
  	    });
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.discretebar = discretebar;
  	    chart.legend = legend;
  	    chart.xAxis = xAxis;
  	    chart.yAxis = yAxis;
  	    chart.tooltip = tooltip;
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  		showLegend: {get: function(){return showLegend;}, set: function(_){showLegend=_;}},
  	        staggerLabels: {get: function(){return staggerLabels;}, set: function(_){staggerLabels=_;}},
  	        rotateLabels:  {get: function(){return rotateLabels;}, set: function(_){rotateLabels=_;}},
  	        wrapLabels:  {get: function(){return wrapLabels;}, set: function(_){wrapLabels=!!_;}},
  	        showXAxis: {get: function(){return showXAxis;}, set: function(_){showXAxis=_;}},
  	        showYAxis: {get: function(){return showYAxis;}, set: function(_){showYAxis=_;}},
  	        noData:    {get: function(){return noData;}, set: function(_){noData=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	            discretebar.duration(duration);
  	            xAxis.duration(duration);
  	            yAxis.duration(duration);
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	            discretebar.color(color);
  		    legend.color(color);
  	        }},
  	        rightAlignYAxis: {get: function(){return rightAlignYAxis;}, set: function(_){
  	            rightAlignYAxis = _;
  	            yAxis.orient( (_) ? 'right' : 'left');
  	        }}
  	    });
  	
  	    nv.utils.inheritOptions(chart, discretebar);
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	}
  	
  	nv.models.distribution = function() {
  	    "use strict";
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 0, right: 0, bottom: 0, left: 0}
  	        , width = 400 //technically width or height depending on x or y....
  	        , size = 8
  	        , axis = 'x' // 'x' or 'y'... horizontal or vertical
  	        , getData = function(d) { return d[axis] }  // defaults d.x or d.y
  	        , color = nv.utils.defaultColor()
  	        , scale = d3.scale.linear()
  	        , domain
  	        , duration = 250
  	        , dispatch = d3.dispatch('renderEnd')
  	        ;
  	
  	    //============================================================
  	
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var scale0;
  	    var renderWatch = nv.utils.renderWatch(dispatch, duration);
  	
  	    //============================================================
  	
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        selection.each(function(data) {
  	            var availableLength = width - (axis === 'x' ? margin.left + margin.right : margin.top + margin.bottom),
  	                naxis = axis == 'x' ? 'y' : 'x',
  	                container = d3.select(this);
  	            nv.utils.initSVG(container);
  	
  	            //------------------------------------------------------------
  	            // Setup Scales
  	
  	            scale0 = scale0 || scale;
  	
  	            //------------------------------------------------------------
  	
  	
  	            //------------------------------------------------------------
  	            // Setup containers and skeleton of chart
  	
  	            var wrap = container.selectAll('g.nv-distribution').data([data]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-distribution');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')')
  	
  	            //------------------------------------------------------------
  	
  	
  	            var distWrap = g.selectAll('g.nv-dist')
  	                .data(function(d) { return d }, function(d) { return d.key });
  	
  	            distWrap.enter().append('g');
  	            distWrap
  	                .attr('class', function(d,i) { return 'nv-dist nv-series-' + i })
  	                .style('stroke', function(d,i) { return color(d, i) });
  	
  	            var dist = distWrap.selectAll('line.nv-dist' + axis)
  	                .data(function(d) { return d.values })
  	            dist.enter().append('line')
  	                .attr(axis + '1', function(d,i) { return scale0(getData(d,i)) })
  	                .attr(axis + '2', function(d,i) { return scale0(getData(d,i)) })
  	            renderWatch.transition(distWrap.exit().selectAll('line.nv-dist' + axis), 'dist exit')
  	                // .transition()
  	                .attr(axis + '1', function(d,i) { return scale(getData(d,i)) })
  	                .attr(axis + '2', function(d,i) { return scale(getData(d,i)) })
  	                .style('stroke-opacity', 0)
  	                .remove();
  	            dist
  	                .attr('class', function(d,i) { return 'nv-dist' + axis + ' nv-dist' + axis + '-' + i })
  	                .attr(naxis + '1', 0)
  	                .attr(naxis + '2', size);
  	            renderWatch.transition(dist, 'dist')
  	                // .transition()
  	                .attr(axis + '1', function(d,i) { return scale(getData(d,i)) })
  	                .attr(axis + '2', function(d,i) { return scale(getData(d,i)) })
  	
  	
  	            scale0 = scale.copy();
  	
  	        });
  	        renderWatch.renderEnd('distribution immediate');
  	        return chart;
  	    }
  	
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	    chart.dispatch = dispatch;
  	
  	    chart.margin = function(_) {
  	        if (!arguments.length) return margin;
  	        margin.top    = typeof _.top    != 'undefined' ? _.top    : margin.top;
  	        margin.right  = typeof _.right  != 'undefined' ? _.right  : margin.right;
  	        margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
  	        margin.left   = typeof _.left   != 'undefined' ? _.left   : margin.left;
  	        return chart;
  	    };
  	
  	    chart.width = function(_) {
  	        if (!arguments.length) return width;
  	        width = _;
  	        return chart;
  	    };
  	
  	    chart.axis = function(_) {
  	        if (!arguments.length) return axis;
  	        axis = _;
  	        return chart;
  	    };
  	
  	    chart.size = function(_) {
  	        if (!arguments.length) return size;
  	        size = _;
  	        return chart;
  	    };
  	
  	    chart.getData = function(_) {
  	        if (!arguments.length) return getData;
  	        getData = d3.functor(_);
  	        return chart;
  	    };
  	
  	    chart.scale = function(_) {
  	        if (!arguments.length) return scale;
  	        scale = _;
  	        return chart;
  	    };
  	
  	    chart.color = function(_) {
  	        if (!arguments.length) return color;
  	        color = nv.utils.getColor(_);
  	        return chart;
  	    };
  	
  	    chart.duration = function(_) {
  	        if (!arguments.length) return duration;
  	        duration = _;
  	        renderWatch.reset(duration);
  	        return chart;
  	    };
  	    //============================================================
  	
  	
  	    return chart;
  	}
  	nv.models.focus = function(content) {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var content = content || nv.models.line()
  	        , xAxis = nv.models.axis()
  	        , yAxis = nv.models.axis()
  	        , brush = d3.svg.brush()
  	        ;
  	
  	    var margin = {top: 10, right: 0, bottom: 30, left: 0}
  	        , color = nv.utils.defaultColor()
  	        , width = null
  	        , height = 70
  	        , showXAxis = true
  	        , showYAxis = false
  	        , rightAlignYAxis = false
  	        , ticks = null
  	        , x
  	        , y
  	        , brushExtent = null
  	        , duration = 250
  	        , dispatch = d3.dispatch('brush', 'onBrush', 'renderEnd')
  	        ;
  	
  	    content.interactive(false);
  	    content.pointActive(function(d) { return false; });
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch, duration);
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        renderWatch.models(content);
  	        if (showXAxis) renderWatch.models(xAxis);
  	        if (showYAxis) renderWatch.models(yAxis);
  	
  	        selection.each(function(data) {
  	            var container = d3.select(this);
  	            nv.utils.initSVG(container);
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = height - margin.top - margin.bottom;
  	
  	            chart.update = function() { 
  	                if( duration === 0 ) {
  	                    container.call( chart );
  	                } else {
  	                    container.transition().duration(duration).call(chart);
  	                }
  	            };
  	            chart.container = this;
  	
  	            // Setup Scales
  	            x = content.xScale();
  	            y = content.yScale();
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-focus').data([data]);
  	            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-focus').append('g');
  	            var g = wrap.select('g');
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            gEnter.append('g').attr('class', 'nv-background').append('rect');
  	            gEnter.append('g').attr('class', 'nv-x nv-axis');
  	            gEnter.append('g').attr('class', 'nv-y nv-axis');
  	            gEnter.append('g').attr('class', 'nv-contentWrap');
  	            gEnter.append('g').attr('class', 'nv-brushBackground');
  	            gEnter.append('g').attr('class', 'nv-x nv-brush');
  	
  	            if (rightAlignYAxis) {
  	                g.select(".nv-y.nv-axis")
  	                    .attr("transform", "translate(" + availableWidth + ",0)");
  	            }
  	
  	            g.select('.nv-background rect')
  	                .attr('width', availableWidth)
  	                .attr('height', availableHeight);
  	                
  	            content
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .color(data.map(function(d,i) {
  	                    return d.color || color(d, i);
  	                }).filter(function(d,i) { return !data[i].disabled; }));
  	
  	            var contentWrap = g.select('.nv-contentWrap')
  	                .datum(data.filter(function(d) { return !d.disabled; }));
  	
  	            d3.transition(contentWrap).call(content);
  	            
  	            // Setup Brush
  	            brush
  	                .x(x)
  	                .on('brush', function() {
  	                    onBrush();
  	                });
  	
  	            if (brushExtent) brush.extent(brushExtent);
  	
  	            var brushBG = g.select('.nv-brushBackground').selectAll('g')
  	                .data([brushExtent || brush.extent()]);
  	    
  	            var brushBGenter = brushBG.enter()
  	                .append('g');
  	
  	            brushBGenter.append('rect')
  	                .attr('class', 'left')
  	                .attr('x', 0)
  	                .attr('y', 0)
  	                .attr('height', availableHeight);
  	
  	            brushBGenter.append('rect')
  	                .attr('class', 'right')
  	                .attr('x', 0)
  	                .attr('y', 0)
  	                .attr('height', availableHeight);
  	
  	            var gBrush = g.select('.nv-x.nv-brush')
  	                .call(brush);
  	            gBrush.selectAll('rect')
  	                .attr('height', availableHeight);
  	            gBrush.selectAll('.resize').append('path').attr('d', resizePath);
  	
  	            onBrush();
  	
  	            g.select('.nv-background rect')
  	                .attr('width', availableWidth)
  	                .attr('height', availableHeight);
  	
  	            if (showXAxis) {
  	                xAxis.scale(x)
  	                    ._ticks( nv.utils.calcTicksX(availableWidth/100, data) )
  	                    .tickSize(-availableHeight, 0);
  	  
  	                g.select('.nv-x.nv-axis')
  	                    .attr('transform', 'translate(0,' + y.range()[0] + ')');
  	                d3.transition(g.select('.nv-x.nv-axis'))
  	                    .call(xAxis);
  	            }
  	
  	            if (showYAxis) {
  	                yAxis
  	                    .scale(y)
  	                    ._ticks( nv.utils.calcTicksY(availableHeight/36, data) )
  	                    .tickSize( -availableWidth, 0);
  	
  	                d3.transition(g.select('.nv-y.nv-axis'))
  	                    .call(yAxis);
  	            }
  	            
  	            g.select('.nv-x.nv-axis')
  	                .attr('transform', 'translate(0,' + y.range()[0] + ')');
  	
  	            //============================================================
  	            // Event Handling/Dispatching (in chart's scope)
  	            //------------------------------------------------------------
  	
  	            //============================================================
  	            // Functions
  	            //------------------------------------------------------------
  	    
  	            // Taken from crossfilter (http://square.github.com/crossfilter/)
  	            function resizePath(d) {
  	                var e = +(d == 'e'),
  	                    x = e ? 1 : -1,
  	                    y = availableHeight / 3;
  	                return 'M' + (0.5 * x) + ',' + y
  	                    + 'A6,6 0 0 ' + e + ' ' + (6.5 * x) + ',' + (y + 6)
  	                    + 'V' + (2 * y - 6)
  	                    + 'A6,6 0 0 ' + e + ' ' + (0.5 * x) + ',' + (2 * y)
  	                    + 'Z'
  	                    + 'M' + (2.5 * x) + ',' + (y + 8)
  	                    + 'V' + (2 * y - 8)
  	                    + 'M' + (4.5 * x) + ',' + (y + 8)
  	                    + 'V' + (2 * y - 8);
  	            }
  	    
  	    
  	            function updateBrushBG() {
  	                if (!brush.empty()) brush.extent(brushExtent);
  	                brushBG
  	                    .data([brush.empty() ? x.domain() : brushExtent])
  	                    .each(function(d,i) {
  	                        var leftWidth = x(d[0]) - x.range()[0],
  	                            rightWidth = availableWidth - x(d[1]);
  	                        d3.select(this).select('.left')
  	                            .attr('width',  leftWidth < 0 ? 0 : leftWidth);
  	    
  	                        d3.select(this).select('.right')
  	                            .attr('x', x(d[1]))
  	                            .attr('width', rightWidth < 0 ? 0 : rightWidth);
  	                    });
  	            }
  	    
  	    
  	            function onBrush() {
  	                brushExtent = brush.empty() ? null : brush.extent();
  	                var extent = brush.empty() ? x.domain() : brush.extent();
  	    
  	                //The brush extent cannot be less than one.  If it is, don't update the line chart.
  	                if (Math.abs(extent[0] - extent[1]) <= 1) {
  	                    return;
  	                }
  	    
  	                dispatch.brush({extent: extent, brush: brush});
  	 
  	                updateBrushBG();
  	                dispatch.onBrush(extent);
  	            }
  	
  	
  	        });
  	
  	        renderWatch.renderEnd('focus immediate');
  	        return chart;
  	    }
  	
  	
  	    //============================================================
  	    // Event Handling/Dispatching (out of chart's scope)
  	    //------------------------------------------------------------
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    // expose chart's sub-components
  	    chart.dispatch = dispatch;
  	    chart.content = content;
  	    chart.brush = brush;
  	    chart.xAxis = xAxis;
  	    chart.yAxis = yAxis;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  	        showXAxis:      {get: function(){return showXAxis;}, set: function(_){showXAxis=_;}},
  	        showYAxis:    {get: function(){return showYAxis;}, set: function(_){showYAxis=_;}},
  	        brushExtent: {get: function(){return brushExtent;}, set: function(_){brushExtent=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	            content.duration(duration);
  	            xAxis.duration(duration);
  	            yAxis.duration(duration);
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	            content.color(color);
  	        }},
  	        interpolate: {get: function(){return content.interpolate();}, set: function(_){
  	            content.interpolate(_);
  	        }},
  	        xTickFormat: {get: function(){return xAxis.tickFormat();}, set: function(_){
  	            xAxis.tickFormat(_);
  	        }},
  	        yTickFormat: {get: function(){return yAxis.tickFormat();}, set: function(_){
  	            yAxis.tickFormat(_);
  	        }},
  	        x: {get: function(){return content.x();}, set: function(_){
  	            content.x(_);
  	        }},
  	        y: {get: function(){return content.y();}, set: function(_){
  	            content.y(_);
  	        }},
  	        rightAlignYAxis: {get: function(){return rightAlignYAxis;}, set: function(_){
  	            rightAlignYAxis = _;
  	            yAxis.orient( rightAlignYAxis ? 'right' : 'left');
  	        }},
  	    });
  	
  	    nv.utils.inheritOptions(chart, content);
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	nv.models.forceDirectedGraph = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	    var margin = {top: 2, right: 0, bottom: 2, left: 0}
  	        , width = 400
  	        , height = 32
  	        , container = null
  	        , dispatch = d3.dispatch('renderEnd')
  	        , color = nv.utils.getColor(['#000'])
  	        , tooltip      = nv.models.tooltip()
  	        , noData = null
  	        // Force directed graph specific parameters [default values]
  	        , linkStrength = 0.1
  	        , friction = 0.9
  	        , linkDist = 30
  	        , charge = -120
  	        , gravity = 0.1
  	        , theta = 0.8
  	        , alpha = 0.1
  	        , radius = 5
  	        // These functions allow to add extra attributes to ndes and links
  	        ,nodeExtras = function(nodes) { /* Do nothing */ }
  	        ,linkExtras = function(links) { /* Do nothing */ }
  	        ;
  	
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch);
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	
  	        selection.each(function(data) {
  	          container = d3.select(this);
  	          nv.utils.initSVG(container);
  	
  	          var availableWidth = nv.utils.availableWidth(width, container, margin),
  	              availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	          container
  	                  .attr("width", availableWidth)
  	                  .attr("height", availableHeight);
  	
  	          // Display No Data message if there's nothing to show.
  	          if (!data || !data.links || !data.nodes) {
  	              nv.utils.noData(chart, container)
  	              return chart;
  	          } else {
  	              container.selectAll('.nv-noData').remove();
  	          }
  	          container.selectAll('*').remove();
  	
  	          // Collect names of all fields in the nodes
  	          var nodeFieldSet = new Set();
  	          data.nodes.forEach(function(node) {
  	            var keys = Object.keys(node);
  	            keys.forEach(function(key) {
  	              nodeFieldSet.add(key);
  	            });
  	          });
  	
  	          var force = d3.layout.force()
  	                .nodes(data.nodes)
  	                .links(data.links)
  	                .size([availableWidth, availableHeight])
  	                .linkStrength(linkStrength)
  	                .friction(friction)
  	                .linkDistance(linkDist)
  	                .charge(charge)
  	                .gravity(gravity)
  	                .theta(theta)
  	                .alpha(alpha)
  	                .start();
  	
  	          var link = container.selectAll(".link")
  	                .data(data.links)
  	                .enter().append("line")
  	                .attr("class", "nv-force-link")
  	                .style("stroke-width", function(d) { return Math.sqrt(d.value); });
  	
  	          var node = container.selectAll(".node")
  	                .data(data.nodes)
  	                .enter()
  	                .append("g")
  	                .attr("class", "nv-force-node")
  	                .call(force.drag);
  	
  	          node
  	            .append("circle")
  	            .attr("r", radius)
  	            .style("fill", function(d) { return color(d) } )
  	            .on("mouseover", function(evt) {
  	              container.select('.nv-series-' + evt.seriesIndex + ' .nv-distx-' + evt.pointIndex)
  	                  .attr('y1', evt.py);
  	              container.select('.nv-series-' + evt.seriesIndex + ' .nv-disty-' + evt.pointIndex)
  	                  .attr('x2', evt.px);
  	
  	              // Add 'series' object to
  	              var nodeColor = color(evt);
  	              evt.series = [];
  	              nodeFieldSet.forEach(function(field) {
  	                evt.series.push({
  	                  color: nodeColor,
  	                  key:   field,
  	                  value: evt[field]
  	                });
  	              });
  	              tooltip.data(evt).hidden(false);
  	            })
  	            .on("mouseout",  function(d) {
  	              tooltip.hidden(true);
  	            });
  	
  	          tooltip.headerFormatter(function(d) {return "Node";});
  	
  	          // Apply extra attributes to nodes and links (if any)
  	          linkExtras(link);
  	          nodeExtras(node);
  	
  	          force.on("tick", function() {
  	              link.attr("x1", function(d) { return d.source.x; })
  	                  .attr("y1", function(d) { return d.source.y; })
  	                  .attr("x2", function(d) { return d.target.x; })
  	                  .attr("y2", function(d) { return d.target.y; });
  	
  	              node.attr("transform", function(d) {
  	                return "translate(" + d.x + ", " + d.y + ")";
  	              });
  	            });
  	        });
  	
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:     {get: function(){return width;}, set: function(_){width=_;}},
  	        height:    {get: function(){return height;}, set: function(_){height=_;}},
  	
  	        // Force directed graph specific parameters
  	        linkStrength:{get: function(){return linkStrength;}, set: function(_){linkStrength=_;}},
  	        friction:    {get: function(){return friction;}, set: function(_){friction=_;}},
  	        linkDist:    {get: function(){return linkDist;}, set: function(_){linkDist=_;}},
  	        charge:      {get: function(){return charge;}, set: function(_){charge=_;}},
  	        gravity:     {get: function(){return gravity;}, set: function(_){gravity=_;}},
  	        theta:       {get: function(){return theta;}, set: function(_){theta=_;}},
  	        alpha:       {get: function(){return alpha;}, set: function(_){alpha=_;}},
  	        radius:      {get: function(){return radius;}, set: function(_){radius=_;}},
  	
  	        //functor options
  	        x: {get: function(){return getX;}, set: function(_){getX=d3.functor(_);}},
  	        y: {get: function(){return getY;}, set: function(_){getY=d3.functor(_);}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }},
  	        noData:    {get: function(){return noData;}, set: function(_){noData=_;}},
  	        nodeExtras: {get: function(){return nodeExtras;}, set: function(_){
  	            nodeExtras = _;
  	        }},
  	        linkExtras: {get: function(){return linkExtras;}, set: function(_){
  	            linkExtras = _;
  	        }}
  	    });
  	
  	    chart.dispatch = dispatch;
  	    chart.tooltip = tooltip;
  	    nv.utils.initOptions(chart);
  	    return chart;
  	};
  	nv.models.furiousLegend = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 5, right: 0, bottom: 5, left: 0}
  	        , width = 400
  	        , height = 20
  	        , getKey = function(d) { return d.key }
  	        , keyFormatter = function (d) { return d }
  	        , color = nv.utils.getColor()
  	        , maxKeyLength = 20 //default value for key lengths
  	        , align = true
  	        , padding = 28 //define how much space between legend items. - recommend 32 for furious version
  	        , rightAlign = true
  	        , updateState = true   //If true, legend will update data.disabled and trigger a 'stateChange' dispatch.
  	        , radioButtonMode = false   //If true, clicking legend items will cause it to behave like a radio button. (only one can be selected at a time)
  	        , expanded = false
  	        , dispatch = d3.dispatch('legendClick', 'legendDblclick', 'legendMouseover', 'legendMouseout', 'stateChange')
  	        , vers = 'classic' //Options are "classic" and "furious"
  	        ;
  	
  	    function chart(selection) {
  	        selection.each(function(data) {
  	            var availableWidth = width - margin.left - margin.right,
  	                container = d3.select(this);
  	            nv.utils.initSVG(container);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-legend').data([data]);
  	            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-legend').append('g');
  	            var g = wrap.select('g');
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            var series = g.selectAll('.nv-series')
  	                .data(function(d) {
  	                    if(vers != 'furious') return d;
  	
  	                    return d.filter(function(n) {
  	                        return expanded ? true : !n.disengaged;
  	                    });
  	                });
  	            var seriesEnter = series.enter().append('g').attr('class', 'nv-series')
  	
  	            var seriesShape;
  	
  	            if(vers == 'classic') {
  	                seriesEnter.append('circle')
  	                    .style('stroke-width', 2)
  	                    .attr('class','nv-legend-symbol')
  	                    .attr('r', 5);
  	
  	                seriesShape = series.select('circle');
  	            } else if (vers == 'furious') {
  	                seriesEnter.append('rect')
  	                    .style('stroke-width', 2)
  	                    .attr('class','nv-legend-symbol')
  	                    .attr('rx', 3)
  	                    .attr('ry', 3);
  	
  	                seriesShape = series.select('rect');
  	
  	                seriesEnter.append('g')
  	                    .attr('class', 'nv-check-box')
  	                    .property('innerHTML','<path d="M0.5,5 L22.5,5 L22.5,26.5 L0.5,26.5 L0.5,5 Z" class="nv-box"></path><path d="M5.5,12.8618467 L11.9185089,19.2803556 L31,0.198864511" class="nv-check"></path>')
  	                    .attr('transform', 'translate(-10,-8)scale(0.5)');
  	
  	                var seriesCheckbox = series.select('.nv-check-box');
  	
  	                seriesCheckbox.each(function(d,i) {
  	                    d3.select(this).selectAll('path')
  	                        .attr('stroke', setTextColor(d,i));
  	                });
  	            }
  	
  	            seriesEnter.append('text')
  	                .attr('text-anchor', 'start')
  	                .attr('class','nv-legend-text')
  	                .attr('dy', '.32em')
  	                .attr('dx', '8');
  	
  	            var seriesText = series.select('text.nv-legend-text');
  	
  	            series
  	                .on('mouseover', function(d,i) {
  	                    dispatch.legendMouseover(d,i);  //TODO: Make consistent with other event objects
  	                })
  	                .on('mouseout', function(d,i) {
  	                    dispatch.legendMouseout(d,i);
  	                })
  	                .on('click', function(d,i) {
  	                    dispatch.legendClick(d,i);
  	                    // make sure we re-get data in case it was modified
  	                    var data = series.data();
  	                    if (updateState) {
  	                        if(vers =='classic') {
  	                            if (radioButtonMode) {
  	                                //Radio button mode: set every series to disabled,
  	                                //  and enable the clicked series.
  	                                data.forEach(function(series) { series.disabled = true});
  	                                d.disabled = false;
  	                            }
  	                            else {
  	                                d.disabled = !d.disabled;
  	                                if (data.every(function(series) { return series.disabled})) {
  	                                    //the default behavior of NVD3 legends is, if every single series
  	                                    // is disabled, turn all series' back on.
  	                                    data.forEach(function(series) { series.disabled = false});
  	                                }
  	                            }
  	                        } else if(vers == 'furious') {
  	                            if(expanded) {
  	                                d.disengaged = !d.disengaged;
  	                                d.userDisabled = d.userDisabled == undefined ? !!d.disabled : d.userDisabled;
  	                                d.disabled = d.disengaged || d.userDisabled;
  	                            } else if (!expanded) {
  	                                d.disabled = !d.disabled;
  	                                d.userDisabled = d.disabled;
  	                                var engaged = data.filter(function(d) { return !d.disengaged; });
  	                                if (engaged.every(function(series) { return series.userDisabled })) {
  	                                    //the default behavior of NVD3 legends is, if every single series
  	                                    // is disabled, turn all series' back on.
  	                                    data.forEach(function(series) {
  	                                        series.disabled = series.userDisabled = false;
  	                                    });
  	                                }
  	                            }
  	                        }
  	                        dispatch.stateChange({
  	                            disabled: data.map(function(d) { return !!d.disabled }),
  	                            disengaged: data.map(function(d) { return !!d.disengaged })
  	                        });
  	
  	                    }
  	                })
  	                .on('dblclick', function(d,i) {
  	                    if(vers == 'furious' && expanded) return;
  	                    dispatch.legendDblclick(d,i);
  	                    if (updateState) {
  	                        // make sure we re-get data in case it was modified
  	                        var data = series.data();
  	                        //the default behavior of NVD3 legends, when double clicking one,
  	                        // is to set all other series' to false, and make the double clicked series enabled.
  	                        data.forEach(function(series) {
  	                            series.disabled = true;
  	                            if(vers == 'furious') series.userDisabled = series.disabled;
  	                        });
  	                        d.disabled = false;
  	                        if(vers == 'furious') d.userDisabled = d.disabled;
  	                        dispatch.stateChange({
  	                            disabled: data.map(function(d) { return !!d.disabled })
  	                        });
  	                    }
  	                });
  	
  	            series.classed('nv-disabled', function(d) { return d.userDisabled });
  	            series.exit().remove();
  	
  	            seriesText
  	                .attr('fill', setTextColor)
  	                .text(function (d) { return keyFormatter(getKey(d)) });
  	
  	            //TODO: implement fixed-width and max-width options (max-width is especially useful with the align option)
  	            // NEW ALIGNING CODE, TODO: clean up
  	
  	            var versPadding;
  	            switch(vers) {
  	                case 'furious' :
  	                    versPadding = 23;
  	                    break;
  	                case 'classic' :
  	                    versPadding = 20;
  	            }
  	
  	            if (align) {
  	
  	                var seriesWidths = [];
  	                series.each(function(d,i) {
  	                    var legendText;
  	                    if (keyFormatter(getKey(d)) && keyFormatter(getKey(d)).length > maxKeyLength) {
  	                        var trimmedKey = keyFormatter(getKey(d)).substring(0, maxKeyLength);
  	                        legendText = d3.select(this).select('text').text(trimmedKey + "...");
  	                        d3.select(this).append("svg:title").text(keyFormatter(getKey(d)));
  	                    } else {
  	                        legendText = d3.select(this).select('text');
  	                    }
  	                    var nodeTextLength;
  	                    try {
  	                        nodeTextLength = legendText.node().getComputedTextLength();
  	                        // If the legendText is display:none'd (nodeTextLength == 0), simulate an error so we approximate, instead
  	                        if(nodeTextLength <= 0) throw Error();
  	                    }
  	                    catch(e) {
  	                        nodeTextLength = nv.utils.calcApproxTextWidth(legendText);
  	                    }
  	
  	                    seriesWidths.push(nodeTextLength + padding);
  	                });
  	
  	                var seriesPerRow = 0;
  	                var legendWidth = 0;
  	                var columnWidths = [];
  	
  	                while ( legendWidth < availableWidth && seriesPerRow < seriesWidths.length) {
  	                    columnWidths[seriesPerRow] = seriesWidths[seriesPerRow];
  	                    legendWidth += seriesWidths[seriesPerRow++];
  	                }
  	                if (seriesPerRow === 0) seriesPerRow = 1; //minimum of one series per row
  	
  	                while ( legendWidth > availableWidth && seriesPerRow > 1 ) {
  	                    columnWidths = [];
  	                    seriesPerRow--;
  	
  	                    for (var k = 0; k < seriesWidths.length; k++) {
  	                        if (seriesWidths[k] > (columnWidths[k % seriesPerRow] || 0) )
  	                            columnWidths[k % seriesPerRow] = seriesWidths[k];
  	                    }
  	
  	                    legendWidth = columnWidths.reduce(function(prev, cur, index, array) {
  	                        return prev + cur;
  	                    });
  	                }
  	
  	                var xPositions = [];
  	                for (var i = 0, curX = 0; i < seriesPerRow; i++) {
  	                    xPositions[i] = curX;
  	                    curX += columnWidths[i];
  	                }
  	
  	                series
  	                    .attr('transform', function(d, i) {
  	                        return 'translate(' + xPositions[i % seriesPerRow] + ',' + (5 + Math.floor(i / seriesPerRow) * versPadding) + ')';
  	                    });
  	
  	                //position legend as far right as possible within the total width
  	                if (rightAlign) {
  	                    g.attr('transform', 'translate(' + (width - margin.right - legendWidth) + ',' + margin.top + ')');
  	                }
  	                else {
  	                    g.attr('transform', 'translate(0' + ',' + margin.top + ')');
  	                }
  	
  	                height = margin.top + margin.bottom + (Math.ceil(seriesWidths.length / seriesPerRow) * versPadding);
  	
  	            } else {
  	
  	                var ypos = 5,
  	                    newxpos = 5,
  	                    maxwidth = 0,
  	                    xpos;
  	                series
  	                    .attr('transform', function(d, i) {
  	                        var length = d3.select(this).select('text').node().getComputedTextLength() + padding;
  	                        xpos = newxpos;
  	
  	                        if (width < margin.left + margin.right + xpos + length) {
  	                            newxpos = xpos = 5;
  	                            ypos += versPadding;
  	                        }
  	
  	                        newxpos += length;
  	                        if (newxpos > maxwidth) maxwidth = newxpos;
  	
  	                        return 'translate(' + xpos + ',' + ypos + ')';
  	                    });
  	
  	                //position legend as far right as possible within the total width
  	                g.attr('transform', 'translate(' + (width - margin.right - maxwidth) + ',' + margin.top + ')');
  	
  	                height = margin.top + margin.bottom + ypos + 15;
  	            }
  	
  	            if(vers == 'furious') {
  	                // Size rectangles after text is placed
  	                seriesShape
  	                    .attr('width', function(d,i) {
  	                        return seriesText[0][i].getComputedTextLength() + 27;
  	                    })
  	                    .attr('height', 18)
  	                    .attr('y', -9)
  	                    .attr('x', -15)
  	            }
  	
  	            seriesShape
  	                .style('fill', setBGColor)
  	                .style('stroke', function(d,i) { return d.color || color(d, i) });
  	        });
  	
  	        function setTextColor(d,i) {
  	            if(vers != 'furious') return '#000';
  	            if(expanded) {
  	                return d.disengaged ? color(d,i) : '#fff';
  	            } else if (!expanded) {
  	                return !!d.disabled ? color(d,i) : '#fff';
  	            }
  	        }
  	
  	        function setBGColor(d,i) {
  	            if(expanded && vers == 'furious') {
  	                return d.disengaged ? '#fff' : color(d,i);
  	            } else {
  	                return !!d.disabled ? '#fff' : color(d,i);
  	            }
  	        }
  	
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:          {get: function(){return width;}, set: function(_){width=_;}},
  	        height:         {get: function(){return height;}, set: function(_){height=_;}},
  	        key:            {get: function(){return getKey;}, set: function(_){getKey=_;}},
  	        keyFormatter:   {get: function(){return keyFormatter;}, set: function(_){keyFormatter=_;}},
  	        align:          {get: function(){return align;}, set: function(_){align=_;}},
  	        rightAlign:     {get: function(){return rightAlign;}, set: function(_){rightAlign=_;}},
  	        maxKeyLength:   {get: function(){return maxKeyLength;}, set: function(_){maxKeyLength=_;}},
  	        padding:        {get: function(){return padding;}, set: function(_){padding=_;}},
  	        updateState:    {get: function(){return updateState;}, set: function(_){updateState=_;}},
  	        radioButtonMode:{get: function(){return radioButtonMode;}, set: function(_){radioButtonMode=_;}},
  	        expanded:       {get: function(){return expanded;}, set: function(_){expanded=_;}},
  	        vers:           {get: function(){return vers;}, set: function(_){vers=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }}
  	    });
  	
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	//TODO: consider deprecating and using multibar with single series for this
  	nv.models.historicalBar = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 0, right: 0, bottom: 0, left: 0}
  	        , width = null
  	        , height = null
  	        , id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
  	        , container = null
  	        , x = d3.scale.linear()
  	        , y = d3.scale.linear()
  	        , getX = function(d) { return d.x }
  	        , getY = function(d) { return d.y }
  	        , forceX = []
  	        , forceY = [0]
  	        , padData = false
  	        , clipEdge = true
  	        , color = nv.utils.defaultColor()
  	        , xDomain
  	        , yDomain
  	        , xRange
  	        , yRange
  	        , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout', 'elementMousemove', 'renderEnd')
  	        , interactive = true
  	        ;
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch, 0);
  	
  	    function chart(selection) {
  	        selection.each(function(data) {
  	            renderWatch.reset();
  	
  	            container = d3.select(this);
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	            nv.utils.initSVG(container);
  	
  	            // Setup Scales
  	            x.domain(xDomain || d3.extent(data[0].values.map(getX).concat(forceX) ));
  	
  	            if (padData)
  	                x.range(xRange || [availableWidth * .5 / data[0].values.length, availableWidth * (data[0].values.length - .5)  / data[0].values.length ]);
  	            else
  	                x.range(xRange || [0, availableWidth]);
  	
  	            y.domain(yDomain || d3.extent(data[0].values.map(getY).concat(forceY) ))
  	                .range(yRange || [availableHeight, 0]);
  	
  	            // If scale's domain don't have a range, slightly adjust to make one... so a chart can show a single data point
  	            if (x.domain()[0] === x.domain()[1])
  	                x.domain()[0] ?
  	                    x.domain([x.domain()[0] - x.domain()[0] * 0.01, x.domain()[1] + x.domain()[1] * 0.01])
  	                    : x.domain([-1,1]);
  	
  	            if (y.domain()[0] === y.domain()[1])
  	                y.domain()[0] ?
  	                    y.domain([y.domain()[0] + y.domain()[0] * 0.01, y.domain()[1] - y.domain()[1] * 0.01])
  	                    : y.domain([-1,1]);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-historicalBar-' + id).data([data[0].values]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-historicalBar-' + id);
  	            var defsEnter = wrapEnter.append('defs');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-bars');
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            container
  	                .on('click', function(d,i) {
  	                    dispatch.chartClick({
  	                        data: d,
  	                        index: i,
  	                        pos: d3.event,
  	                        id: id
  	                    });
  	                });
  	
  	            defsEnter.append('clipPath')
  	                .attr('id', 'nv-chart-clip-path-' + id)
  	                .append('rect');
  	
  	            wrap.select('#nv-chart-clip-path-' + id + ' rect')
  	                .attr('width', availableWidth)
  	                .attr('height', availableHeight);
  	
  	            g.attr('clip-path', clipEdge ? 'url(#nv-chart-clip-path-' + id + ')' : '');
  	
  	            var bars = wrap.select('.nv-bars').selectAll('.nv-bar')
  	                .data(function(d) { return d }, function(d,i) {return getX(d,i)});
  	            bars.exit().remove();
  	
  	            bars.enter().append('rect')
  	                .attr('x', 0 )
  	                .attr('y', function(d,i) {  return nv.utils.NaNtoZero(y(Math.max(0, getY(d,i)))) })
  	                .attr('height', function(d,i) { return nv.utils.NaNtoZero(Math.abs(y(getY(d,i)) - y(0))) })
  	                .attr('transform', function(d,i) { return 'translate(' + (x(getX(d,i)) - availableWidth / data[0].values.length * .45) + ',0)'; })
  	                .on('mouseover', function(d,i) {
  	                    if (!interactive) return;
  	                    d3.select(this).classed('hover', true);
  	                    dispatch.elementMouseover({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	
  	                })
  	                .on('mouseout', function(d,i) {
  	                    if (!interactive) return;
  	                    d3.select(this).classed('hover', false);
  	                    dispatch.elementMouseout({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                })
  	                .on('mousemove', function(d,i) {
  	                    if (!interactive) return;
  	                    dispatch.elementMousemove({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                })
  	                .on('click', function(d,i) {
  	                    if (!interactive) return;
  	                    dispatch.elementClick({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                    d3.event.stopPropagation();
  	                })
  	                .on('dblclick', function(d,i) {
  	                    if (!interactive) return;
  	                    dispatch.elementDblClick({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                    d3.event.stopPropagation();
  	                });
  	
  	            bars
  	                .attr('fill', function(d,i) { return color(d, i); })
  	                .attr('class', function(d,i,j) { return (getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive') + ' nv-bar-' + j + '-' + i })
  	                .watchTransition(renderWatch, 'bars')
  	                .attr('transform', function(d,i) { return 'translate(' + (x(getX(d,i)) - availableWidth / data[0].values.length * .45) + ',0)'; })
  	                //TODO: better width calculations that don't assume always uniform data spacing;w
  	                .attr('width', (availableWidth / data[0].values.length) * .9 );
  	
  	            bars.watchTransition(renderWatch, 'bars')
  	                .attr('y', function(d,i) {
  	                    var rval = getY(d,i) < 0 ?
  	                        y(0) :
  	                            y(0) - y(getY(d,i)) < 1 ?
  	                        y(0) - 1 :
  	                        y(getY(d,i));
  	                    return nv.utils.NaNtoZero(rval);
  	                })
  	                .attr('height', function(d,i) { return nv.utils.NaNtoZero(Math.max(Math.abs(y(getY(d,i)) - y(0)),1)) });
  	
  	        });
  	
  	        renderWatch.renderEnd('historicalBar immediate');
  	        return chart;
  	    }
  	
  	    //Create methods to allow outside functions to highlight a specific bar.
  	    chart.highlightPoint = function(pointIndex, isHoverOver) {
  	        container
  	            .select(".nv-bars .nv-bar-0-" + pointIndex)
  	            .classed("hover", isHoverOver)
  	        ;
  	    };
  	
  	    chart.clearHighlights = function() {
  	        container
  	            .select(".nv-bars .nv-bar.hover")
  	            .classed("hover", false)
  	        ;
  	    };
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:   {get: function(){return width;}, set: function(_){width=_;}},
  	        height:  {get: function(){return height;}, set: function(_){height=_;}},
  	        forceX:  {get: function(){return forceX;}, set: function(_){forceX=_;}},
  	        forceY:  {get: function(){return forceY;}, set: function(_){forceY=_;}},
  	        padData: {get: function(){return padData;}, set: function(_){padData=_;}},
  	        x:       {get: function(){return getX;}, set: function(_){getX=_;}},
  	        y:       {get: function(){return getY;}, set: function(_){getY=_;}},
  	        xScale:  {get: function(){return x;}, set: function(_){x=_;}},
  	        yScale:  {get: function(){return y;}, set: function(_){y=_;}},
  	        xDomain: {get: function(){return xDomain;}, set: function(_){xDomain=_;}},
  	        yDomain: {get: function(){return yDomain;}, set: function(_){yDomain=_;}},
  	        xRange:  {get: function(){return xRange;}, set: function(_){xRange=_;}},
  	        yRange:  {get: function(){return yRange;}, set: function(_){yRange=_;}},
  	        clipEdge:    {get: function(){return clipEdge;}, set: function(_){clipEdge=_;}},
  	        id:          {get: function(){return id;}, set: function(_){id=_;}},
  	        interactive: {get: function(){return interactive;}, set: function(_){interactive=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }}
  	    });
  	
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	
  	nv.models.historicalBarChart = function(bar_model) {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var bars = bar_model || nv.models.historicalBar()
  	        , xAxis = nv.models.axis()
  	        , yAxis = nv.models.axis()
  	        , legend = nv.models.legend()
  	        , interactiveLayer = nv.interactiveGuideline()
  	        , tooltip = nv.models.tooltip()
  	        ;
  	
  	
  	    var margin = {top: 30, right: 90, bottom: 50, left: 90}
  	        , color = nv.utils.defaultColor()
  	        , width = null
  	        , height = null
  	        , showLegend = false
  	        , showXAxis = true
  	        , showYAxis = true
  	        , rightAlignYAxis = false
  	        , useInteractiveGuideline = false
  	        , x
  	        , y
  	        , state = {}
  	        , defaultState = null
  	        , noData = null
  	        , dispatch = d3.dispatch('tooltipHide', 'stateChange', 'changeState', 'renderEnd')
  	        , transitionDuration = 250
  	        ;
  	
  	    xAxis.orient('bottom').tickPadding(7);
  	    yAxis.orient( (rightAlignYAxis) ? 'right' : 'left');
  	    tooltip
  	        .duration(0)
  	        .headerEnabled(false)
  	        .valueFormatter(function(d, i) {
  	            return yAxis.tickFormat()(d, i);
  	        })
  	        .headerFormatter(function(d, i) {
  	            return xAxis.tickFormat()(d, i);
  	        });
  	
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch, 0);
  	
  	    function chart(selection) {
  	        selection.each(function(data) {
  	            renderWatch.reset();
  	            renderWatch.models(bars);
  	            if (showXAxis) renderWatch.models(xAxis);
  	            if (showYAxis) renderWatch.models(yAxis);
  	
  	            var container = d3.select(this),
  	                that = this;
  	            nv.utils.initSVG(container);
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	            chart.update = function() { container.transition().duration(transitionDuration).call(chart) };
  	            chart.container = this;
  	
  	            //set state.disabled
  	            state.disabled = data.map(function(d) { return !!d.disabled });
  	
  	            if (!defaultState) {
  	                var key;
  	                defaultState = {};
  	                for (key in state) {
  	                    if (state[key] instanceof Array)
  	                        defaultState[key] = state[key].slice(0);
  	                    else
  	                        defaultState[key] = state[key];
  	                }
  	            }
  	
  	            // Display noData message if there's nothing to show.
  	            if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
  	                nv.utils.noData(chart, container)
  	                return chart;
  	            } else {
  	                container.selectAll('.nv-noData').remove();
  	            }
  	
  	            // Setup Scales
  	            x = bars.xScale();
  	            y = bars.yScale();
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-historicalBarChart').data([data]);
  	            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-historicalBarChart').append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-x nv-axis');
  	            gEnter.append('g').attr('class', 'nv-y nv-axis');
  	            gEnter.append('g').attr('class', 'nv-barsWrap');
  	            gEnter.append('g').attr('class', 'nv-legendWrap');
  	            gEnter.append('g').attr('class', 'nv-interactive');
  	
  	            // Legend
  	            if (!showLegend) {
  	                g.select('.nv-legendWrap').selectAll('*').remove();
  	            } else {
  	                legend.width(availableWidth);
  	
  	                g.select('.nv-legendWrap')
  	                    .datum(data)
  	                    .call(legend);
  	
  	                if (legend.height() > margin.top) {
  	                    margin.top = legend.height();
  	                    availableHeight = nv.utils.availableHeight(height, container, margin);
  	                }
  	
  	                wrap.select('.nv-legendWrap')
  	                    .attr('transform', 'translate(0,' + (-margin.top) +')')
  	            }
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            if (rightAlignYAxis) {
  	                g.select(".nv-y.nv-axis")
  	                    .attr("transform", "translate(" + availableWidth + ",0)");
  	            }
  	
  	            //Set up interactive layer
  	            if (useInteractiveGuideline) {
  	                interactiveLayer
  	                    .width(availableWidth)
  	                    .height(availableHeight)
  	                    .margin({left:margin.left, top:margin.top})
  	                    .svgContainer(container)
  	                    .xScale(x);
  	                wrap.select(".nv-interactive").call(interactiveLayer);
  	            }
  	            bars
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .color(data.map(function(d,i) {
  	                    return d.color || color(d, i);
  	                }).filter(function(d,i) { return !data[i].disabled }));
  	
  	            var barsWrap = g.select('.nv-barsWrap')
  	                .datum(data.filter(function(d) { return !d.disabled }));
  	            barsWrap.transition().call(bars);
  	
  	            // Setup Axes
  	            if (showXAxis) {
  	                xAxis
  	                    .scale(x)
  	                    ._ticks( nv.utils.calcTicksX(availableWidth/100, data) )
  	                    .tickSize(-availableHeight, 0);
  	
  	                g.select('.nv-x.nv-axis')
  	                    .attr('transform', 'translate(0,' + y.range()[0] + ')');
  	                g.select('.nv-x.nv-axis')
  	                    .transition()
  	                    .call(xAxis);
  	            }
  	
  	            if (showYAxis) {
  	                yAxis
  	                    .scale(y)
  	                    ._ticks( nv.utils.calcTicksY(availableHeight/36, data) )
  	                    .tickSize( -availableWidth, 0);
  	
  	                g.select('.nv-y.nv-axis')
  	                    .transition()
  	                    .call(yAxis);
  	            }
  	
  	            //============================================================
  	            // Event Handling/Dispatching (in chart's scope)
  	            //------------------------------------------------------------
  	
  	            interactiveLayer.dispatch.on('elementMousemove', function(e) {
  	                bars.clearHighlights();
  	
  	                var singlePoint, pointIndex, pointXLocation, allData = [];
  	                data
  	                    .filter(function(series, i) {
  	                        series.seriesIndex = i;
  	                        return !series.disabled;
  	                    })
  	                    .forEach(function(series,i) {
  	                        pointIndex = nv.interactiveBisect(series.values, e.pointXValue, chart.x());
  	                        bars.highlightPoint(pointIndex,true);
  	                        var point = series.values[pointIndex];
  	                        if (point === undefined) return;
  	                        if (singlePoint === undefined) singlePoint = point;
  	                        if (pointXLocation === undefined) pointXLocation = chart.xScale()(chart.x()(point,pointIndex));
  	                        allData.push({
  	                            key: series.key,
  	                            value: chart.y()(point, pointIndex),
  	                            color: color(series,series.seriesIndex),
  	                            data: series.values[pointIndex]
  	                        });
  	                    });
  	
  	                var xValue = xAxis.tickFormat()(chart.x()(singlePoint,pointIndex));
  	                interactiveLayer.tooltip
  	                    .valueFormatter(function(d,i) {
  	                        return yAxis.tickFormat()(d);
  	                    })
  	                    .data({
  	                        value: xValue,
  	                        index: pointIndex,
  	                        series: allData
  	                    })();
  	
  	                interactiveLayer.renderGuideLine(pointXLocation);
  	
  	            });
  	
  	            interactiveLayer.dispatch.on("elementMouseout",function(e) {
  	                dispatch.tooltipHide();
  	                bars.clearHighlights();
  	            });
  	
  	            legend.dispatch.on('legendClick', function(d,i) {
  	                d.disabled = !d.disabled;
  	
  	                if (!data.filter(function(d) { return !d.disabled }).length) {
  	                    data.map(function(d) {
  	                        d.disabled = false;
  	                        wrap.selectAll('.nv-series').classed('disabled', false);
  	                        return d;
  	                    });
  	                }
  	
  	                state.disabled = data.map(function(d) { return !!d.disabled });
  	                dispatch.stateChange(state);
  	
  	                selection.transition().call(chart);
  	            });
  	
  	            legend.dispatch.on('legendDblclick', function(d) {
  	                //Double clicking should always enable current series, and disabled all others.
  	                data.forEach(function(d) {
  	                    d.disabled = true;
  	                });
  	                d.disabled = false;
  	
  	                state.disabled = data.map(function(d) { return !!d.disabled });
  	                dispatch.stateChange(state);
  	                chart.update();
  	            });
  	
  	            dispatch.on('changeState', function(e) {
  	                if (typeof e.disabled !== 'undefined') {
  	                    data.forEach(function(series,i) {
  	                        series.disabled = e.disabled[i];
  	                    });
  	
  	                    state.disabled = e.disabled;
  	                }
  	
  	                chart.update();
  	            });
  	        });
  	
  	        renderWatch.renderEnd('historicalBarChart immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Event Handling/Dispatching (out of chart's scope)
  	    //------------------------------------------------------------
  	
  	    bars.dispatch.on('elementMouseover.tooltip', function(evt) {
  	        evt['series'] = {
  	            key: chart.x()(evt.data),
  	            value: chart.y()(evt.data),
  	            color: evt.color
  	        };
  	        tooltip.data(evt).hidden(false);
  	    });
  	
  	    bars.dispatch.on('elementMouseout.tooltip', function(evt) {
  	        tooltip.hidden(true);
  	    });
  	
  	    bars.dispatch.on('elementMousemove.tooltip', function(evt) {
  	        tooltip();
  	    });
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    // expose chart's sub-components
  	    chart.dispatch = dispatch;
  	    chart.bars = bars;
  	    chart.legend = legend;
  	    chart.xAxis = xAxis;
  	    chart.yAxis = yAxis;
  	    chart.interactiveLayer = interactiveLayer;
  	    chart.tooltip = tooltip;
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  	        showLegend: {get: function(){return showLegend;}, set: function(_){showLegend=_;}},
  	        showXAxis: {get: function(){return showXAxis;}, set: function(_){showXAxis=_;}},
  	        showYAxis: {get: function(){return showYAxis;}, set: function(_){showYAxis=_;}},
  	        defaultState:    {get: function(){return defaultState;}, set: function(_){defaultState=_;}},
  	        noData:    {get: function(){return noData;}, set: function(_){noData=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	            legend.color(color);
  	            bars.color(color);
  	        }},
  	        duration:    {get: function(){return transitionDuration;}, set: function(_){
  	            transitionDuration=_;
  	            renderWatch.reset(transitionDuration);
  	            yAxis.duration(transitionDuration);
  	            xAxis.duration(transitionDuration);
  	        }},
  	        rightAlignYAxis: {get: function(){return rightAlignYAxis;}, set: function(_){
  	            rightAlignYAxis = _;
  	            yAxis.orient( (_) ? 'right' : 'left');
  	        }},
  	        useInteractiveGuideline: {get: function(){return useInteractiveGuideline;}, set: function(_){
  	            useInteractiveGuideline = _;
  	            if (_ === true) {
  	                chart.interactive(false);
  	            }
  	        }}
  	    });
  	
  	    nv.utils.inheritOptions(chart, bars);
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	
  	
  	// ohlcChart is just a historical chart with ohlc bars and some tweaks
  	nv.models.ohlcBarChart = function() {
  	    var chart = nv.models.historicalBarChart(nv.models.ohlcBar());
  	
  	    // special default tooltip since we show multiple values per x
  	    chart.useInteractiveGuideline(true);
  	    chart.interactiveLayer.tooltip.contentGenerator(function(data) {
  	        // we assume only one series exists for this chart
  	        var d = data.series[0].data;
  	        // match line colors as defined in nv.d3.css
  	        var color = d.open < d.close ? "2ca02c" : "d62728";
  	        return '' +
  	            '<h3 style="color: #' + color + '">' + data.value + '</h3>' +
  	            '<table>' +
  	            '<tr><td>open:</td><td>' + chart.yAxis.tickFormat()(d.open) + '</td></tr>' +
  	            '<tr><td>close:</td><td>' + chart.yAxis.tickFormat()(d.close) + '</td></tr>' +
  	            '<tr><td>high</td><td>' + chart.yAxis.tickFormat()(d.high) + '</td></tr>' +
  	            '<tr><td>low:</td><td>' + chart.yAxis.tickFormat()(d.low) + '</td></tr>' +
  	            '</table>';
  	    });
  	    return chart;
  	};
  	
  	// candlestickChart is just a historical chart with candlestick bars and some tweaks
  	nv.models.candlestickBarChart = function() {
  	    var chart = nv.models.historicalBarChart(nv.models.candlestickBar());
  	
  	    // special default tooltip since we show multiple values per x
  	    chart.useInteractiveGuideline(true);
  	    chart.interactiveLayer.tooltip.contentGenerator(function(data) {
  	        // we assume only one series exists for this chart
  	        var d = data.series[0].data;
  	        // match line colors as defined in nv.d3.css
  	        var color = d.open < d.close ? "2ca02c" : "d62728";
  	        return '' +
  	            '<h3 style="color: #' + color + '">' + data.value + '</h3>' +
  	            '<table>' +
  	            '<tr><td>open:</td><td>' + chart.yAxis.tickFormat()(d.open) + '</td></tr>' +
  	            '<tr><td>close:</td><td>' + chart.yAxis.tickFormat()(d.close) + '</td></tr>' +
  	            '<tr><td>high</td><td>' + chart.yAxis.tickFormat()(d.high) + '</td></tr>' +
  	            '<tr><td>low:</td><td>' + chart.yAxis.tickFormat()(d.low) + '</td></tr>' +
  	            '</table>';
  	    });
  	    return chart;
  	};
  	nv.models.legend = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 5, right: 0, bottom: 5, left: 0}
  	        , width = 400
  	        , height = 20
  	        , getKey = function(d) { return d.key }
  	        , keyFormatter = function (d) { return d }
  	        , color = nv.utils.getColor()
  	        , maxKeyLength = 20 //default value for key lengths
  	        , align = true
  	        , padding = 32 //define how much space between legend items. - recommend 32 for furious version
  	        , rightAlign = true
  	        , updateState = true   //If true, legend will update data.disabled and trigger a 'stateChange' dispatch.
  	        , radioButtonMode = false   //If true, clicking legend items will cause it to behave like a radio button. (only one can be selected at a time)
  	        , expanded = false
  	        , dispatch = d3.dispatch('legendClick', 'legendDblclick', 'legendMouseover', 'legendMouseout', 'stateChange')
  	        , vers = 'classic' //Options are "classic" and "furious"
  	        ;
  	
  	    function chart(selection) {
  	        selection.each(function(data) {
  	            var availableWidth = width - margin.left - margin.right,
  	                container = d3.select(this);
  	            nv.utils.initSVG(container);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-legend').data([data]);
  	            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-legend').append('g');
  	            var g = wrap.select('g');
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            var series = g.selectAll('.nv-series')
  	                .data(function(d) {
  	                    if(vers != 'furious') return d;
  	
  	                    return d.filter(function(n) {
  	                        return expanded ? true : !n.disengaged;
  	                    });
  	                });
  	
  	            var seriesEnter = series.enter().append('g').attr('class', 'nv-series');
  	            var seriesShape;
  	
  	            var versPadding;
  	            switch(vers) {
  	                case 'furious' :
  	                    versPadding = 23;
  	                    break;
  	                case 'classic' :
  	                    versPadding = 20;
  	            }
  	
  	            if(vers == 'classic') {
  	                seriesEnter.append('circle')
  	                    .style('stroke-width', 2)
  	                    .attr('class','nv-legend-symbol')
  	                    .attr('r', 5);
  	
  	                seriesShape = series.select('.nv-legend-symbol');
  	            } else if (vers == 'furious') {
  	                seriesEnter.append('rect')
  	                    .style('stroke-width', 2)
  	                    .attr('class','nv-legend-symbol')
  	                    .attr('rx', 3)
  	                    .attr('ry', 3);
  	                seriesShape = series.select('.nv-legend-symbol');
  	
  	                seriesEnter.append('g')
  	                    .attr('class', 'nv-check-box')
  	                    .property('innerHTML','<path d="M0.5,5 L22.5,5 L22.5,26.5 L0.5,26.5 L0.5,5 Z" class="nv-box"></path><path d="M5.5,12.8618467 L11.9185089,19.2803556 L31,0.198864511" class="nv-check"></path>')
  	                    .attr('transform', 'translate(-10,-8)scale(0.5)');
  	
  	                var seriesCheckbox = series.select('.nv-check-box');
  	
  	                seriesCheckbox.each(function(d,i) {
  	                    d3.select(this).selectAll('path')
  	                        .attr('stroke', setTextColor(d,i));
  	                });
  	            }
  	
  	            seriesEnter.append('text')
  	                .attr('text-anchor', 'start')
  	                .attr('class','nv-legend-text')
  	                .attr('dy', '.32em')
  	                .attr('dx', '8');
  	
  	            var seriesText = series.select('text.nv-legend-text');
  	
  	            series
  	                .on('mouseover', function(d,i) {
  	                    dispatch.legendMouseover(d,i);  //TODO: Make consistent with other event objects
  	                })
  	                .on('mouseout', function(d,i) {
  	                    dispatch.legendMouseout(d,i);
  	                })
  	                .on('click', function(d,i) {
  	                    dispatch.legendClick(d,i);
  	                    // make sure we re-get data in case it was modified
  	                    var data = series.data();
  	                    if (updateState) {
  	                        if(vers =='classic') {
  	                            if (radioButtonMode) {
  	                                //Radio button mode: set every series to disabled,
  	                                //  and enable the clicked series.
  	                                data.forEach(function(series) { series.disabled = true});
  	                                d.disabled = false;
  	                            }
  	                            else {
  	                                d.disabled = !d.disabled;
  	                                if (data.every(function(series) { return series.disabled})) {
  	                                    //the default behavior of NVD3 legends is, if every single series
  	                                    // is disabled, turn all series' back on.
  	                                    data.forEach(function(series) { series.disabled = false});
  	                                }
  	                            }
  	                        } else if(vers == 'furious') {
  	                            if(expanded) {
  	                                d.disengaged = !d.disengaged;
  	                                d.userDisabled = d.userDisabled == undefined ? !!d.disabled : d.userDisabled;
  	                                d.disabled = d.disengaged || d.userDisabled;
  	                            } else if (!expanded) {
  	                                d.disabled = !d.disabled;
  	                                d.userDisabled = d.disabled;
  	                                var engaged = data.filter(function(d) { return !d.disengaged; });
  	                                if (engaged.every(function(series) { return series.userDisabled })) {
  	                                    //the default behavior of NVD3 legends is, if every single series
  	                                    // is disabled, turn all series' back on.
  	                                    data.forEach(function(series) {
  	                                        series.disabled = series.userDisabled = false;
  	                                    });
  	                                }
  	                            }
  	                        }
  	                        dispatch.stateChange({
  	                            disabled: data.map(function(d) { return !!d.disabled }),
  	                            disengaged: data.map(function(d) { return !!d.disengaged })
  	                        });
  	
  	                    }
  	                })
  	                .on('dblclick', function(d,i) {
  	                    if(vers == 'furious' && expanded) return;
  	                    dispatch.legendDblclick(d,i);
  	                    if (updateState) {
  	                        // make sure we re-get data in case it was modified
  	                        var data = series.data();
  	                        //the default behavior of NVD3 legends, when double clicking one,
  	                        // is to set all other series' to false, and make the double clicked series enabled.
  	                        data.forEach(function(series) {
  	                            series.disabled = true;
  	                            if(vers == 'furious') series.userDisabled = series.disabled;
  	                        });
  	                        d.disabled = false;
  	                        if(vers == 'furious') d.userDisabled = d.disabled;
  	                        dispatch.stateChange({
  	                            disabled: data.map(function(d) { return !!d.disabled })
  	                        });
  	                    }
  	                });
  	
  	            series.classed('nv-disabled', function(d) { return d.userDisabled });
  	            series.exit().remove();
  	
  	            seriesText
  	                .attr('fill', setTextColor)
  	                .text(function (d) { return keyFormatter(getKey(d)) });
  	
  	            //TODO: implement fixed-width and max-width options (max-width is especially useful with the align option)
  	            // NEW ALIGNING CODE, TODO: clean up
  	            var legendWidth = 0;
  	            if (align) {
  	
  	                var seriesWidths = [];
  	                series.each(function(d,i) {
  	                    var legendText;
  	                    if (keyFormatter(getKey(d)) && keyFormatter(getKey(d)).length > maxKeyLength) {
  	                        var trimmedKey = keyFormatter(getKey(d)).substring(0, maxKeyLength);
  	                        legendText = d3.select(this).select('text').text(trimmedKey + "...");
  	                        d3.select(this).append("svg:title").text(keyFormatter(getKey(d)));
  	                    } else {
  	                        legendText = d3.select(this).select('text');
  	                    }
  	                    var nodeTextLength;
  	                    try {
  	                        nodeTextLength = legendText.node().getComputedTextLength();
  	                        // If the legendText is display:none'd (nodeTextLength == 0), simulate an error so we approximate, instead
  	                        if(nodeTextLength <= 0) throw Error();
  	                    }
  	                    catch(e) {
  	                        nodeTextLength = nv.utils.calcApproxTextWidth(legendText);
  	                    }
  	
  	                    seriesWidths.push(nodeTextLength + padding);
  	                });
  	
  	                var seriesPerRow = 0;
  	                var columnWidths = [];
  	                legendWidth = 0;
  	
  	                while ( legendWidth < availableWidth && seriesPerRow < seriesWidths.length) {
  	                    columnWidths[seriesPerRow] = seriesWidths[seriesPerRow];
  	                    legendWidth += seriesWidths[seriesPerRow++];
  	                }
  	                if (seriesPerRow === 0) seriesPerRow = 1; //minimum of one series per row
  	
  	                while ( legendWidth > availableWidth && seriesPerRow > 1 ) {
  	                    columnWidths = [];
  	                    seriesPerRow--;
  	
  	                    for (var k = 0; k < seriesWidths.length; k++) {
  	                        if (seriesWidths[k] > (columnWidths[k % seriesPerRow] || 0) )
  	                            columnWidths[k % seriesPerRow] = seriesWidths[k];
  	                    }
  	
  	                    legendWidth = columnWidths.reduce(function(prev, cur, index, array) {
  	                        return prev + cur;
  	                    });
  	                }
  	
  	                var xPositions = [];
  	                for (var i = 0, curX = 0; i < seriesPerRow; i++) {
  	                    xPositions[i] = curX;
  	                    curX += columnWidths[i];
  	                }
  	
  	                series
  	                    .attr('transform', function(d, i) {
  	                        return 'translate(' + xPositions[i % seriesPerRow] + ',' + (5 + Math.floor(i / seriesPerRow) * versPadding) + ')';
  	                    });
  	
  	                //position legend as far right as possible within the total width
  	                if (rightAlign) {
  	                    g.attr('transform', 'translate(' + (width - margin.right - legendWidth) + ',' + margin.top + ')');
  	                }
  	                else {
  	                    g.attr('transform', 'translate(0' + ',' + margin.top + ')');
  	                }
  	
  	                height = margin.top + margin.bottom + (Math.ceil(seriesWidths.length / seriesPerRow) * versPadding);
  	
  	            } else {
  	
  	                var ypos = 5,
  	                    newxpos = 5,
  	                    maxwidth = 0,
  	                    xpos;
  	                series
  	                    .attr('transform', function(d, i) {
  	                        var length = d3.select(this).select('text').node().getComputedTextLength() + padding;
  	                        xpos = newxpos;
  	
  	                        if (width < margin.left + margin.right + xpos + length) {
  	                            newxpos = xpos = 5;
  	                            ypos += versPadding;
  	                        }
  	
  	                        newxpos += length;
  	                        if (newxpos > maxwidth) maxwidth = newxpos;
  	
  	                        if(legendWidth < xpos + maxwidth) {
  	                            legendWidth = xpos + maxwidth;
  	                        }
  	                        return 'translate(' + xpos + ',' + ypos + ')';
  	                    });
  	
  	                //position legend as far right as possible within the total width
  	                g.attr('transform', 'translate(' + (width - margin.right - maxwidth) + ',' + margin.top + ')');
  	
  	                height = margin.top + margin.bottom + ypos + 15;
  	            }
  	
  	            if(vers == 'furious') {
  	                // Size rectangles after text is placed
  	                seriesShape
  	                    .attr('width', function(d,i) {
  	                        return seriesText[0][i].getComputedTextLength() + 27;
  	                    })
  	                    .attr('height', 18)
  	                    .attr('y', -9)
  	                    .attr('x', -15);
  	
  	                // The background for the expanded legend (UI)
  	                gEnter.insert('rect',':first-child')
  	                    .attr('class', 'nv-legend-bg')
  	                    .attr('fill', '#eee')
  	                    // .attr('stroke', '#444')
  	                    .attr('opacity',0);
  	
  	                var seriesBG = g.select('.nv-legend-bg');
  	
  	                seriesBG
  	                .transition().duration(300)
  	                    .attr('x', -versPadding )
  	                    .attr('width', legendWidth + versPadding - 12)
  	                    .attr('height', height + 10)
  	                    .attr('y', -margin.top - 10)
  	                    .attr('opacity', expanded ? 1 : 0);
  	
  	
  	            }
  	
  	            seriesShape
  	                .style('fill', setBGColor)
  	                .style('fill-opacity', setBGOpacity)
  	                .style('stroke', setBGColor);
  	        });
  	
  	        function setTextColor(d,i) {
  	            if(vers != 'furious') return '#000';
  	            if(expanded) {
  	                return d.disengaged ? '#000' : '#fff';
  	            } else if (!expanded) {
  	                if(!d.color) d.color = color(d,i);
  	                return !!d.disabled ? d.color : '#fff';
  	            }
  	        }
  	
  	        function setBGColor(d,i) {
  	            if(expanded && vers == 'furious') {
  	                return d.disengaged ? '#eee' : d.color || color(d,i);
  	            } else {
  	                return d.color || color(d,i);
  	            }
  	        }
  	
  	
  	        function setBGOpacity(d,i) {
  	            if(expanded && vers == 'furious') {
  	                return 1;
  	            } else {
  	                return !!d.disabled ? 0 : 1;
  	            }
  	        }
  	
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:          {get: function(){return width;}, set: function(_){width=_;}},
  	        height:         {get: function(){return height;}, set: function(_){height=_;}},
  	        key:            {get: function(){return getKey;}, set: function(_){getKey=_;}},
  	        keyFormatter:   {get: function(){return keyFormatter;}, set: function(_){keyFormatter=_;}},
  	        align:          {get: function(){return align;}, set: function(_){align=_;}},
  	        maxKeyLength:   {get: function(){return maxKeyLength;}, set: function(_){maxKeyLength=_;}},
  	        rightAlign:     {get: function(){return rightAlign;}, set: function(_){rightAlign=_;}},
  	        padding:        {get: function(){return padding;}, set: function(_){padding=_;}},
  	        updateState:    {get: function(){return updateState;}, set: function(_){updateState=_;}},
  	        radioButtonMode:{get: function(){return radioButtonMode;}, set: function(_){radioButtonMode=_;}},
  	        expanded:       {get: function(){return expanded;}, set: function(_){expanded=_;}},
  	        vers:           {get: function(){return vers;}, set: function(_){vers=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }}
  	    });
  	
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	
  	nv.models.line = function() {
  	    "use strict";
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var  scatter = nv.models.scatter()
  	        ;
  	
  	    var margin = {top: 0, right: 0, bottom: 0, left: 0}
  	        , width = 960
  	        , height = 500
  	        , container = null
  	        , strokeWidth = 1.5
  	        , color = nv.utils.defaultColor() // a function that returns a color
  	        , getX = function(d) { return d.x } // accessor to get the x value from a data point
  	        , getY = function(d) { return d.y } // accessor to get the y value from a data point
  	        , defined = function(d,i) { return !isNaN(getY(d,i)) && getY(d,i) !== null } // allows a line to be not continuous when it is not defined
  	        , isArea = function(d) { return d.area } // decides if a line is an area or just a line
  	        , clipEdge = false // if true, masks lines within x and y scale
  	        , x //can be accessed via chart.xScale()
  	        , y //can be accessed via chart.yScale()
  	        , interpolate = "linear" // controls the line interpolation
  	        , duration = 250
  	        , dispatch = d3.dispatch('elementClick', 'elementMouseover', 'elementMouseout', 'renderEnd')
  	        ;
  	
  	    scatter
  	        .pointSize(16) // default size
  	        .pointDomain([16,256]) //set to speed up calculation, needs to be unset if there is a custom size accessor
  	    ;
  	
  	    //============================================================
  	
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var x0, y0 //used to store previous scales
  	        , renderWatch = nv.utils.renderWatch(dispatch, duration)
  	        ;
  	
  	    //============================================================
  	
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        renderWatch.models(scatter);
  	        selection.each(function(data) {
  	            container = d3.select(this);
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin);
  	            nv.utils.initSVG(container);
  	
  	            // Setup Scales
  	            x = scatter.xScale();
  	            y = scatter.yScale();
  	
  	            x0 = x0 || x;
  	            y0 = y0 || y;
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-line').data([data]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-line');
  	            var defsEnter = wrapEnter.append('defs');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-groups');
  	            gEnter.append('g').attr('class', 'nv-scatterWrap');
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            scatter
  	                .width(availableWidth)
  	                .height(availableHeight);
  	
  	            var scatterWrap = wrap.select('.nv-scatterWrap');
  	            scatterWrap.call(scatter);
  	
  	            defsEnter.append('clipPath')
  	                .attr('id', 'nv-edge-clip-' + scatter.id())
  	                .append('rect');
  	
  	            wrap.select('#nv-edge-clip-' + scatter.id() + ' rect')
  	                .attr('width', availableWidth)
  	                .attr('height', (availableHeight > 0) ? availableHeight : 0);
  	
  	            g   .attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + scatter.id() + ')' : '');
  	            scatterWrap
  	                .attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + scatter.id() + ')' : '');
  	
  	            var groups = wrap.select('.nv-groups').selectAll('.nv-group')
  	                .data(function(d) { return d }, function(d) { return d.key });
  	            groups.enter().append('g')
  	                .style('stroke-opacity', 1e-6)
  	                .style('stroke-width', function(d) { return d.strokeWidth || strokeWidth })
  	                .style('fill-opacity', 1e-6);
  	
  	            groups.exit().remove();
  	
  	            groups
  	                .attr('class', function(d,i) {
  	                    return (d.classed || '') + ' nv-group nv-series-' + i;
  	                })
  	                .classed('hover', function(d) { return d.hover })
  	                .style('fill', function(d,i){ return color(d, i) })
  	                .style('stroke', function(d,i){ return color(d, i)});
  	            groups.watchTransition(renderWatch, 'line: groups')
  	                .style('stroke-opacity', 1)
  	                .style('fill-opacity', function(d) { return d.fillOpacity || .5});
  	
  	            var areaPaths = groups.selectAll('path.nv-area')
  	                .data(function(d) { return isArea(d) ? [d] : [] }); // this is done differently than lines because I need to check if series is an area
  	            areaPaths.enter().append('path')
  	                .attr('class', 'nv-area')
  	                .attr('d', function(d) {
  	                    return d3.svg.area()
  	                        .interpolate(interpolate)
  	                        .defined(defined)
  	                        .x(function(d,i) { return nv.utils.NaNtoZero(x0(getX(d,i))) })
  	                        .y0(function(d,i) { return nv.utils.NaNtoZero(y0(getY(d,i))) })
  	                        .y1(function(d,i) { return y0( y.domain()[0] <= 0 ? y.domain()[1] >= 0 ? 0 : y.domain()[1] : y.domain()[0] ) })
  	                        //.y1(function(d,i) { return y0(0) }) //assuming 0 is within y domain.. may need to tweak this
  	                        .apply(this, [d.values])
  	                });
  	            groups.exit().selectAll('path.nv-area')
  	                .remove();
  	
  	            areaPaths.watchTransition(renderWatch, 'line: areaPaths')
  	                .attr('d', function(d) {
  	                    return d3.svg.area()
  	                        .interpolate(interpolate)
  	                        .defined(defined)
  	                        .x(function(d,i) { return nv.utils.NaNtoZero(x(getX(d,i))) })
  	                        .y0(function(d,i) { return nv.utils.NaNtoZero(y(getY(d,i))) })
  	                        .y1(function(d,i) { return y( y.domain()[0] <= 0 ? y.domain()[1] >= 0 ? 0 : y.domain()[1] : y.domain()[0] ) })
  	                        //.y1(function(d,i) { return y0(0) }) //assuming 0 is within y domain.. may need to tweak this
  	                        .apply(this, [d.values])
  	                });
  	
  	            var linePaths = groups.selectAll('path.nv-line')
  	                .data(function(d) { return [d.values] });
  	
  	            linePaths.enter().append('path')
  	                .attr('class', 'nv-line')
  	                .attr('d',
  	                    d3.svg.line()
  	                    .interpolate(interpolate)
  	                    .defined(defined)
  	                    .x(function(d,i) { return nv.utils.NaNtoZero(x0(getX(d,i))) })
  	                    .y(function(d,i) { return nv.utils.NaNtoZero(y0(getY(d,i))) })
  	            );
  	
  	            linePaths.watchTransition(renderWatch, 'line: linePaths')
  	                .attr('d',
  	                    d3.svg.line()
  	                    .interpolate(interpolate)
  	                    .defined(defined)
  	                    .x(function(d,i) { return nv.utils.NaNtoZero(x(getX(d,i))) })
  	                    .y(function(d,i) { return nv.utils.NaNtoZero(y(getY(d,i))) })
  	            );
  	
  	            //store old scales for use in transitions on update
  	            x0 = x.copy();
  	            y0 = y.copy();
  	        });
  	        renderWatch.renderEnd('line immediate');
  	        return chart;
  	    }
  	
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.scatter = scatter;
  	    // Pass through events
  	    scatter.dispatch.on('elementClick', function(){ dispatch.elementClick.apply(this, arguments); });
  	    scatter.dispatch.on('elementMouseover', function(){ dispatch.elementMouseover.apply(this, arguments); });
  	    scatter.dispatch.on('elementMouseout', function(){ dispatch.elementMouseout.apply(this, arguments); });
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  	        defined: {get: function(){return defined;}, set: function(_){defined=_;}},
  	        interpolate:      {get: function(){return interpolate;}, set: function(_){interpolate=_;}},
  	        clipEdge:    {get: function(){return clipEdge;}, set: function(_){clipEdge=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	            scatter.duration(duration);
  	        }},
  	        isArea: {get: function(){return isArea;}, set: function(_){
  	            isArea = d3.functor(_);
  	        }},
  	        x: {get: function(){return getX;}, set: function(_){
  	            getX = _;
  	            scatter.x(_);
  	        }},
  	        y: {get: function(){return getY;}, set: function(_){
  	            getY = _;
  	            scatter.y(_);
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	            scatter.color(color);
  	        }}
  	    });
  	
  	    nv.utils.inheritOptions(chart, scatter);
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	nv.models.lineChart = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var lines = nv.models.line()
  	        , xAxis = nv.models.axis()
  	        , yAxis = nv.models.axis()
  	        , legend = nv.models.legend()
  	        , interactiveLayer = nv.interactiveGuideline()
  	        , tooltip = nv.models.tooltip()
  	        , focus = nv.models.focus(nv.models.line())
  	        ;
  	
  	    var margin = {top: 30, right: 20, bottom: 50, left: 60}
  	        , color = nv.utils.defaultColor()
  	        , width = null
  	        , height = null
  	        , showLegend = true
  	        , legendPosition = 'top'
  	        , showXAxis = true
  	        , showYAxis = true
  	        , rightAlignYAxis = false
  	        , useInteractiveGuideline = false
  	        , x
  	        , y
  	        , focusEnable = false
  	        , state = nv.utils.state()
  	        , defaultState = null
  	        , noData = null
  	        , dispatch = d3.dispatch('tooltipShow', 'tooltipHide', 'stateChange', 'changeState', 'renderEnd')
  	        , duration = 250
  	        ;
  	
  	    // set options on sub-objects for this chart
  	    xAxis.orient('bottom').tickPadding(7);
  	    yAxis.orient(rightAlignYAxis ? 'right' : 'left');
  	
  	    lines.clipEdge(true).duration(0);
  	
  	    tooltip.valueFormatter(function(d, i) {
  	        return yAxis.tickFormat()(d, i);
  	    }).headerFormatter(function(d, i) {
  	        return xAxis.tickFormat()(d, i);
  	    });
  	
  	    interactiveLayer.tooltip.valueFormatter(function(d, i) {
  	        return yAxis.tickFormat()(d, i);
  	    }).headerFormatter(function(d, i) {
  	        return xAxis.tickFormat()(d, i);
  	    });
  	
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch, duration);
  	
  	    var stateGetter = function(data) {
  	        return function(){
  	            return {
  	                active: data.map(function(d) { return !d.disabled; })
  	            };
  	        };
  	    };
  	
  	    var stateSetter = function(data) {
  	        return function(state) {
  	            if (state.active !== undefined)
  	                data.forEach(function(series,i) {
  	                    series.disabled = !state.active[i];
  	                });
  	        };
  	    };
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        renderWatch.models(lines);
  	        if (showXAxis) renderWatch.models(xAxis);
  	        if (showYAxis) renderWatch.models(yAxis);
  	
  	        selection.each(function(data) {
  	            var container = d3.select(this);
  	            nv.utils.initSVG(container);
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin) - (focusEnable ? focus.height() : 0);
  	            chart.update = function() {
  	                if( duration === 0 ) {
  	                    container.call( chart );
  	                } else {
  	                    container.transition().duration(duration).call(chart);
  	                }
  	            };
  	            chart.container = this;
  	
  	            state
  	                .setter(stateSetter(data), chart.update)
  	                .getter(stateGetter(data))
  	                .update();
  	
  	            // DEPRECATED set state.disabled
  	            state.disabled = data.map(function(d) { return !!d.disabled; });
  	
  	            if (!defaultState) {
  	                var key;
  	                defaultState = {};
  	                for (key in state) {
  	                    if (state[key] instanceof Array)
  	                        defaultState[key] = state[key].slice(0);
  	                    else
  	                        defaultState[key] = state[key];
  	                }
  	            }
  	
  	            // Display noData message if there's nothing to show.
  	            if (!data || !data.length || !data.filter(function(d) { return d.values.length; }).length) {
  	                nv.utils.noData(chart, container);
  	                return chart;
  	            } else {
  	                container.selectAll('.nv-noData').remove();
  	            }
  	
  	            /* Update `main' graph on brush update. */
  	            focus.dispatch.on("onBrush", function(extent) {
  	                onBrush(extent);
  	            });
  	
  	            // Setup Scales
  	            x = lines.xScale();
  	            y = lines.yScale();
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-lineChart').data([data]);
  	            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-lineChart').append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-legendWrap');
  	
  	            var focusEnter = gEnter.append('g').attr('class', 'nv-focus');
  	            focusEnter.append('g').attr('class', 'nv-background').append('rect');
  	            focusEnter.append('g').attr('class', 'nv-x nv-axis');
  	            focusEnter.append('g').attr('class', 'nv-y nv-axis');
  	            focusEnter.append('g').attr('class', 'nv-linesWrap');
  	            focusEnter.append('g').attr('class', 'nv-interactive');
  	
  	            var contextEnter = gEnter.append('g').attr('class', 'nv-focusWrap');
  	
  	            // Legend
  	            if (!showLegend) {
  	                g.select('.nv-legendWrap').selectAll('*').remove();
  	            } else {
  	                legend.width(availableWidth);
  	
  	                g.select('.nv-legendWrap')
  	                    .datum(data)
  	                    .call(legend);
  	
  	                if (legendPosition === 'bottom') {
  	                    wrap.select('.nv-legendWrap')
  	                        .attr('transform', 'translate(0,' + availableHeight +')');
  	                } else if (legendPosition === 'top') {
  	                    if (legend.height() > margin.top) {
  	                        margin.top = legend.height();
  	                        availableHeight = nv.utils.availableHeight(height, container, margin) - (focusEnable ? focus.height() : 0);
  	                    }
  	
  	                    wrap.select('.nv-legendWrap')
  	                        .attr('transform', 'translate(0,' + (-margin.top) +')');
  	                }
  	            }
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            if (rightAlignYAxis) {
  	                g.select(".nv-y.nv-axis")
  	                    .attr("transform", "translate(" + availableWidth + ",0)");
  	            }
  	
  	            //Set up interactive layer
  	            if (useInteractiveGuideline) {
  	                interactiveLayer
  	                    .width(availableWidth)
  	                    .height(availableHeight)
  	                    .margin({left:margin.left, top:margin.top})
  	                    .svgContainer(container)
  	                    .xScale(x);
  	                wrap.select(".nv-interactive").call(interactiveLayer);
  	            }
  	
  	            g.select('.nv-focus .nv-background rect')
  	                .attr('width', availableWidth)
  	                .attr('height', availableHeight);
  	
  	            lines
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .color(data.map(function(d,i) {
  	                    return d.color || color(d, i);
  	                }).filter(function(d,i) { return !data[i].disabled; }));
  	
  	            var linesWrap = g.select('.nv-linesWrap')
  	                .datum(data.filter(function(d) { return !d.disabled; }));
  	
  	
  	            // Setup Main (Focus) Axes
  	            if (showXAxis) {
  	                xAxis
  	                    .scale(x)
  	                    ._ticks(nv.utils.calcTicksX(availableWidth/100, data) )
  	                    .tickSize(-availableHeight, 0);
  	            }
  	
  	            if (showYAxis) {
  	                yAxis
  	                    .scale(y)
  	                    ._ticks( nv.utils.calcTicksY(availableHeight/36, data) )
  	                    .tickSize( -availableWidth, 0);
  	            }
  	
  	            //============================================================
  	            // Update Axes
  	            //============================================================
  	            function updateXAxis() {
  	              if(showXAxis) {
  	                g.select('.nv-focus .nv-x.nv-axis')
  	                  .transition()
  	                  .duration(duration)
  	                  .call(xAxis)
  	                ;
  	              }
  	            }
  	
  	            function updateYAxis() {
  	              if(showYAxis) {
  	                g.select('.nv-focus .nv-y.nv-axis')
  	                  .transition()
  	                  .duration(duration)
  	                  .call(yAxis)
  	                ;
  	              }
  	            }
  	
  	            g.select('.nv-focus .nv-x.nv-axis')
  	                .attr('transform', 'translate(0,' + availableHeight + ')');
  	
  	            //============================================================
  	            // Update Focus
  	            //============================================================
  	            if(!focusEnable) {
  	                linesWrap.call(lines);
  	                updateXAxis();
  	                updateYAxis();
  	            } else {
  	                focus.width(availableWidth);
  	                g.select('.nv-focusWrap')
  	                    .attr('transform', 'translate(0,' + ( availableHeight + margin.bottom + focus.margin().top) + ')')
  	                    .datum(data.filter(function(d) { return !d.disabled; }))
  	                    .call(focus);
  	                var extent = focus.brush.empty() ? focus.xDomain() : focus.brush.extent();
  	                if(extent !== null){
  	                    onBrush(extent);
  	                }
  	            }
  	            //============================================================
  	            // Event Handling/Dispatching (in chart's scope)
  	            //------------------------------------------------------------
  	
  	            legend.dispatch.on('stateChange', function(newState) {
  	                for (var key in newState)
  	                    state[key] = newState[key];
  	                dispatch.stateChange(state);
  	                chart.update();
  	            });
  	
  	            interactiveLayer.dispatch.on('elementMousemove', function(e) {
  	                lines.clearHighlights();
  	                var singlePoint, pointIndex, pointXLocation, allData = [];
  	                data
  	                    .filter(function(series, i) {
  	                        series.seriesIndex = i;
  	                        return !series.disabled && !series.disableTooltip;
  	                    })
  	                    .forEach(function(series,i) {
  	                        var extent = focusEnable ? (focus.brush.empty() ? focus.xScale().domain() : focus.brush.extent()) : x.domain();
  	                        var currentValues = series.values.filter(function(d,i) {
  	                            return lines.x()(d,i) >= extent[0] && lines.x()(d,i) <= extent[1];
  	                        });
  	
  	                        pointIndex = nv.interactiveBisect(currentValues, e.pointXValue, lines.x());
  	                        var point = currentValues[pointIndex];
  	                        var pointYValue = chart.y()(point, pointIndex);
  	                        if (pointYValue !== null) {
  	                            lines.highlightPoint(series.seriesIndex, pointIndex, true);
  	                        }
  	                        if (point === undefined) return;
  	                        if (singlePoint === undefined) singlePoint = point;
  	                        if (pointXLocation === undefined) pointXLocation = chart.xScale()(chart.x()(point,pointIndex));
  	                        allData.push({
  	                            key: series.key,
  	                            value: pointYValue,
  	                            color: color(series,series.seriesIndex),
  	                            data: point
  	                        });
  	                    });
  	                //Highlight the tooltip entry based on which point the mouse is closest to.
  	                if (allData.length > 2) {
  	                    var yValue = chart.yScale().invert(e.mouseY);
  	                    var domainExtent = Math.abs(chart.yScale().domain()[0] - chart.yScale().domain()[1]);
  	                    var threshold = 0.03 * domainExtent;
  	                    var indexToHighlight = nv.nearestValueIndex(allData.map(function(d){return d.value;}),yValue,threshold);
  	                    if (indexToHighlight !== null)
  	                        allData[indexToHighlight].highlight = true;
  	                }
  	
  	                var defaultValueFormatter = function(d,i) {
  	                    return d == null ? "N/A" : yAxis.tickFormat()(d);
  	                };
  	
  	                interactiveLayer.tooltip
  	                    .valueFormatter(interactiveLayer.tooltip.valueFormatter() || defaultValueFormatter)
  	                    .data({
  	                        value: chart.x()( singlePoint,pointIndex ),
  	                        index: pointIndex,
  	                        series: allData
  	                    })();
  	
  	                interactiveLayer.renderGuideLine(pointXLocation);
  	
  	            });
  	
  	            interactiveLayer.dispatch.on('elementClick', function(e) {
  	                var pointXLocation, allData = [];
  	
  	                data.filter(function(series, i) {
  	                    series.seriesIndex = i;
  	                    return !series.disabled;
  	                }).forEach(function(series) {
  	                    var pointIndex = nv.interactiveBisect(series.values, e.pointXValue, chart.x());
  	                    var point = series.values[pointIndex];
  	                    if (typeof point === 'undefined') return;
  	                    if (typeof pointXLocation === 'undefined') pointXLocation = chart.xScale()(chart.x()(point,pointIndex));
  	                    var yPos = chart.yScale()(chart.y()(point,pointIndex));
  	                    allData.push({
  	                        point: point,
  	                        pointIndex: pointIndex,
  	                        pos: [pointXLocation, yPos],
  	                        seriesIndex: series.seriesIndex,
  	                        series: series
  	                    });
  	                });
  	
  	                lines.dispatch.elementClick(allData);
  	            });
  	
  	            interactiveLayer.dispatch.on("elementMouseout",function(e) {
  	                lines.clearHighlights();
  	            });
  	
  	            dispatch.on('changeState', function(e) {
  	                if (typeof e.disabled !== 'undefined' && data.length === e.disabled.length) {
  	                    data.forEach(function(series,i) {
  	                        series.disabled = e.disabled[i];
  	                    });
  	
  	                    state.disabled = e.disabled;
  	                }
  	                chart.update();
  	            });
  	
  	            //============================================================
  	            // Functions
  	            //------------------------------------------------------------
  	
  	            // Taken from crossfilter (http://square.github.com/crossfilter/)
  	            function resizePath(d) {
  	                var e = +(d == 'e'),
  	                    x = e ? 1 : -1,
  	                    y = availableHeight / 3;
  	                return 'M' + (0.5 * x) + ',' + y
  	                    + 'A6,6 0 0 ' + e + ' ' + (6.5 * x) + ',' + (y + 6)
  	                    + 'V' + (2 * y - 6)
  	                    + 'A6,6 0 0 ' + e + ' ' + (0.5 * x) + ',' + (2 * y)
  	                    + 'Z'
  	                    + 'M' + (2.5 * x) + ',' + (y + 8)
  	                    + 'V' + (2 * y - 8)
  	                    + 'M' + (4.5 * x) + ',' + (y + 8)
  	                    + 'V' + (2 * y - 8);
  	            }
  	
  	            function onBrush(extent) {
  	                // Update Main (Focus)
  	                var focusLinesWrap = g.select('.nv-focus .nv-linesWrap')
  	                    .datum(
  	                    data.filter(function(d) { return !d.disabled; })
  	                        .map(function(d,i) {
  	                            return {
  	                                key: d.key,
  	                                area: d.area,
  	                                classed: d.classed,
  	                                values: d.values.filter(function(d,i) {
  	                                    return lines.x()(d,i) >= extent[0] && lines.x()(d,i) <= extent[1];
  	                                }),
  	                                disableTooltip: d.disableTooltip
  	                            };
  	                        })
  	                );
  	                focusLinesWrap.transition().duration(duration).call(lines);
  	
  	                // Update Main (Focus) Axes
  	                updateXAxis();
  	                updateYAxis();
  	            }
  	        });
  	
  	        renderWatch.renderEnd('lineChart immediate');
  	        return chart;
  	    }
  	
  	
  	    //============================================================
  	    // Event Handling/Dispatching (out of chart's scope)
  	    //------------------------------------------------------------
  	
  	    lines.dispatch.on('elementMouseover.tooltip', function(evt) {
  	        if(!evt.series.disableTooltip){
  	            tooltip.data(evt).hidden(false);
  	        }
  	    });
  	
  	    lines.dispatch.on('elementMouseout.tooltip', function(evt) {
  	        tooltip.hidden(true);
  	    });
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    // expose chart's sub-components
  	    chart.dispatch = dispatch;
  	    chart.lines = lines;
  	    chart.legend = legend;
  	    chart.focus = focus;
  	    chart.xAxis = xAxis;
  	    chart.x2Axis = focus.xAxis
  	    chart.yAxis = yAxis;
  	    chart.y2Axis = focus.yAxis
  	    chart.interactiveLayer = interactiveLayer;
  	    chart.tooltip = tooltip;
  	    chart.state = state;
  	    chart.dispatch = dispatch;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  	        showLegend: {get: function(){return showLegend;}, set: function(_){showLegend=_;}},
  	        legendPosition: {get: function(){return legendPosition;}, set: function(_){legendPosition=_;}},
  	        showXAxis:      {get: function(){return showXAxis;}, set: function(_){showXAxis=_;}},
  	        showYAxis:    {get: function(){return showYAxis;}, set: function(_){showYAxis=_;}},
  	        defaultState:    {get: function(){return defaultState;}, set: function(_){defaultState=_;}},
  	        noData:    {get: function(){return noData;}, set: function(_){noData=_;}},
  	        // Focus options, mostly passed onto focus model.
  	        focusEnable:    {get: function(){return focusEnable;}, set: function(_){focusEnable=_;}},
  	        focusHeight:     {get: function(){return focus.height();}, set: function(_){focus.height(_);}},
  	        focusShowAxisX:    {get: function(){return focus.showXAxis();}, set: function(_){focus.showXAxis(_);}},
  	        focusShowAxisY:    {get: function(){return focus.showYAxis();}, set: function(_){focus.showYAxis(_);}},
  	        brushExtent: {get: function(){return focus.brushExtent();}, set: function(_){focus.brushExtent(_);}},
  	
  	        // options that require extra logic in the setter
  	        focusMargin: {get: function(){return focus.margin}, set: function(_){
  	            focus.margin.top    = _.top    !== undefined ? _.top    : focus.margin.top;
  	            focus.margin.right  = _.right  !== undefined ? _.right  : focus.margin.right;
  	            focus.margin.bottom = _.bottom !== undefined ? _.bottom : focus.margin.bottom;
  	            focus.margin.left   = _.left   !== undefined ? _.left   : focus.margin.left;
  	        }},
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	            lines.duration(duration);
  	            focus.duration(duration);
  	            xAxis.duration(duration);
  	            yAxis.duration(duration);
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	            legend.color(color);
  	            lines.color(color);
  	            focus.color(color);
  	        }},
  	        interpolate: {get: function(){return lines.interpolate();}, set: function(_){
  	            lines.interpolate(_);
  	            focus.interpolate(_);
  	        }},
  	        xTickFormat: {get: function(){return xAxis.tickFormat();}, set: function(_){
  	            xAxis.tickFormat(_);
  	            focus.xTickFormat(_);
  	        }},
  	        yTickFormat: {get: function(){return yAxis.tickFormat();}, set: function(_){
  	            yAxis.tickFormat(_);
  	            focus.yTickFormat(_);
  	        }},
  	        x: {get: function(){return lines.x();}, set: function(_){
  	            lines.x(_);
  	            focus.x(_);
  	        }},
  	        y: {get: function(){return lines.y();}, set: function(_){
  	            lines.y(_);
  	            focus.y(_);
  	        }},
  	        rightAlignYAxis: {get: function(){return rightAlignYAxis;}, set: function(_){
  	            rightAlignYAxis = _;
  	            yAxis.orient( rightAlignYAxis ? 'right' : 'left');
  	        }},
  	        useInteractiveGuideline: {get: function(){return useInteractiveGuideline;}, set: function(_){
  	            useInteractiveGuideline = _;
  	            if (useInteractiveGuideline) {
  	                lines.interactive(false);
  	                lines.useVoronoi(false);
  	            }
  	        }}
  	    });
  	
  	    nv.utils.inheritOptions(chart, lines);
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	
  	nv.models.lineWithFocusChart = function() {
  	  return nv.models.lineChart()
  	    .margin({ bottom: 30 })
  	    .focusEnable( true );
  	};
  	nv.models.linePlusBarChart = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var lines = nv.models.line()
  	        , lines2 = nv.models.line()
  	        , bars = nv.models.historicalBar()
  	        , bars2 = nv.models.historicalBar()
  	        , xAxis = nv.models.axis()
  	        , x2Axis = nv.models.axis()
  	        , y1Axis = nv.models.axis()
  	        , y2Axis = nv.models.axis()
  	        , y3Axis = nv.models.axis()
  	        , y4Axis = nv.models.axis()
  	        , legend = nv.models.legend()
  	        , brush = d3.svg.brush()
  	        , tooltip = nv.models.tooltip()
  	        ;
  	
  	    var margin = {top: 30, right: 30, bottom: 30, left: 60}
  	        , margin2 = {top: 0, right: 30, bottom: 20, left: 60}
  	        , width = null
  	        , height = null
  	        , getX = function(d) { return d.x }
  	        , getY = function(d) { return d.y }
  	        , color = nv.utils.defaultColor()
  	        , showLegend = true
  	        , focusEnable = true
  	        , focusShowAxisY = false
  	        , focusShowAxisX = true
  	        , focusHeight = 50
  	        , extent
  	        , brushExtent = null
  	        , x
  	        , x2
  	        , y1
  	        , y2
  	        , y3
  	        , y4
  	        , noData = null
  	        , dispatch = d3.dispatch('brush', 'stateChange', 'changeState')
  	        , transitionDuration = 0
  	        , state = nv.utils.state()
  	        , defaultState = null
  	        , legendLeftAxisHint = ' (left axis)'
  	        , legendRightAxisHint = ' (right axis)'
  	        , switchYAxisOrder = false
  	        ;
  	
  	    lines.clipEdge(true);
  	    lines2.interactive(false);
  	    // We don't want any points emitted for the focus chart's scatter graph.
  	    lines2.pointActive(function(d) { return false });
  	    xAxis.orient('bottom').tickPadding(5);
  	    y1Axis.orient('left');
  	    y2Axis.orient('right');
  	    x2Axis.orient('bottom').tickPadding(5);
  	    y3Axis.orient('left');
  	    y4Axis.orient('right');
  	
  	    tooltip.headerEnabled(true).headerFormatter(function(d, i) {
  	        return xAxis.tickFormat()(d, i);
  	    });
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var getBarsAxis = function() {
  	        return switchYAxisOrder
  	            ? { main: y2Axis, focus: y4Axis }
  	            : { main: y1Axis, focus: y3Axis }
  	    }
  	
  	    var getLinesAxis = function() {
  	        return switchYAxisOrder
  	            ? { main: y1Axis, focus: y3Axis }
  	            : { main: y2Axis, focus: y4Axis }
  	    }
  	
  	    var stateGetter = function(data) {
  	        return function(){
  	            return {
  	                active: data.map(function(d) { return !d.disabled })
  	            };
  	        }
  	    };
  	
  	    var stateSetter = function(data) {
  	        return function(state) {
  	            if (state.active !== undefined)
  	                data.forEach(function(series,i) {
  	                    series.disabled = !state.active[i];
  	                });
  	        }
  	    };
  	
  	    var allDisabled = function(data) {
  	      return data.every(function(series) {
  	        return series.disabled;
  	      });
  	    }
  	
  	    function chart(selection) {
  	        selection.each(function(data) {
  	            var container = d3.select(this),
  	                that = this;
  	            nv.utils.initSVG(container);
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight1 = nv.utils.availableHeight(height, container, margin)
  	                    - (focusEnable ? focusHeight : 0),
  	                availableHeight2 = focusHeight - margin2.top - margin2.bottom;
  	
  	            chart.update = function() { container.transition().duration(transitionDuration).call(chart); };
  	            chart.container = this;
  	
  	            state
  	                .setter(stateSetter(data), chart.update)
  	                .getter(stateGetter(data))
  	                .update();
  	
  	            // DEPRECATED set state.disableddisabled
  	            state.disabled = data.map(function(d) { return !!d.disabled });
  	
  	            if (!defaultState) {
  	                var key;
  	                defaultState = {};
  	                for (key in state) {
  	                    if (state[key] instanceof Array)
  	                        defaultState[key] = state[key].slice(0);
  	                    else
  	                        defaultState[key] = state[key];
  	                }
  	            }
  	
  	            // Display No Data message if there's nothing to show.
  	            if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
  	                nv.utils.noData(chart, container)
  	                return chart;
  	            } else {
  	                container.selectAll('.nv-noData').remove();
  	            }
  	
  	            // Setup Scales
  	            var dataBars = data.filter(function(d) { return !d.disabled && d.bar });
  	            var dataLines = data.filter(function(d) { return !d.bar }); // removed the !d.disabled clause here to fix Issue #240
  	
  	            if (dataBars.length && !switchYAxisOrder) {
  	                x = bars.xScale();
  	            } else {
  	                x = lines.xScale();
  	            }
  	
  	            x2 = x2Axis.scale();
  	
  	            // select the scales and series based on the position of the yAxis
  	            y1 = switchYAxisOrder ? lines.yScale() : bars.yScale();
  	            y2 = switchYAxisOrder ? bars.yScale() : lines.yScale();
  	            y3 = switchYAxisOrder ? lines2.yScale() : bars2.yScale();
  	            y4 = switchYAxisOrder ? bars2.yScale() : lines2.yScale();
  	
  	            var series1 = data
  	                .filter(function(d) { return !d.disabled && (switchYAxisOrder ? !d.bar : d.bar) })
  	                .map(function(d) {
  	                    return d.values.map(function(d,i) {
  	                        return { x: getX(d,i), y: getY(d,i) }
  	                    })
  	                });
  	
  	            var series2 = data
  	                .filter(function(d) { return !d.disabled && (switchYAxisOrder ? d.bar : !d.bar) })
  	                .map(function(d) {
  	                    return d.values.map(function(d,i) {
  	                        return { x: getX(d,i), y: getY(d,i) }
  	                    })
  	                });
  	
  	            x.range([0, availableWidth]);
  	
  	            x2  .domain(d3.extent(d3.merge(series1.concat(series2)), function(d) { return d.x } ))
  	                .range([0, availableWidth]);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-linePlusBar').data([data]);
  	            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-linePlusBar').append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-legendWrap');
  	
  	            // this is the main chart
  	            var focusEnter = gEnter.append('g').attr('class', 'nv-focus');
  	            focusEnter.append('g').attr('class', 'nv-x nv-axis');
  	            focusEnter.append('g').attr('class', 'nv-y1 nv-axis');
  	            focusEnter.append('g').attr('class', 'nv-y2 nv-axis');
  	            focusEnter.append('g').attr('class', 'nv-barsWrap');
  	            focusEnter.append('g').attr('class', 'nv-linesWrap');
  	
  	            // context chart is where you can focus in
  	            var contextEnter = gEnter.append('g').attr('class', 'nv-context');
  	            contextEnter.append('g').attr('class', 'nv-x nv-axis');
  	            contextEnter.append('g').attr('class', 'nv-y1 nv-axis');
  	            contextEnter.append('g').attr('class', 'nv-y2 nv-axis');
  	            contextEnter.append('g').attr('class', 'nv-barsWrap');
  	            contextEnter.append('g').attr('class', 'nv-linesWrap');
  	            contextEnter.append('g').attr('class', 'nv-brushBackground');
  	            contextEnter.append('g').attr('class', 'nv-x nv-brush');
  	
  	            //============================================================
  	            // Legend
  	            //------------------------------------------------------------
  	
  	            if (!showLegend) {
  	                g.select('.nv-legendWrap').selectAll('*').remove();
  	            } else {
  	                var legendWidth = legend.align() ? availableWidth / 2 : availableWidth;
  	                var legendXPosition = legend.align() ? legendWidth : 0;
  	
  	                legend.width(legendWidth);
  	
  	                g.select('.nv-legendWrap')
  	                    .datum(data.map(function(series) {
  	                        series.originalKey = series.originalKey === undefined ? series.key : series.originalKey;
  	                        if(switchYAxisOrder) {
  	                            series.key = series.originalKey + (series.bar ? legendRightAxisHint : legendLeftAxisHint);
  	                        } else {
  	                            series.key = series.originalKey + (series.bar ? legendLeftAxisHint : legendRightAxisHint);
  	                        }
  	                        return series;
  	                    }))
  	                    .call(legend);
  	
  	                if (legend.height() > margin.top) {
  	                    margin.top = legend.height();
  	                    // FIXME: shouldn't this be "- (focusEnabled ? focusHeight : 0)"?
  	                    availableHeight1 = nv.utils.availableHeight(height, container, margin) - focusHeight;
  	                }
  	
  	                g.select('.nv-legendWrap')
  	                    .attr('transform', 'translate(' + legendXPosition + ',' + (-margin.top) +')');
  	            }
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            //============================================================
  	            // Context chart (focus chart) components
  	            //------------------------------------------------------------
  	
  	            // hide or show the focus context chart
  	            g.select('.nv-context').style('display', focusEnable ? 'initial' : 'none');
  	
  	            bars2
  	                .width(availableWidth)
  	                .height(availableHeight2)
  	                .color(data.map(function (d, i) {
  	                    return d.color || color(d, i);
  	                }).filter(function (d, i) {
  	                    return !data[i].disabled && data[i].bar
  	                }));
  	            lines2
  	                .width(availableWidth)
  	                .height(availableHeight2)
  	                .color(data.map(function (d, i) {
  	                    return d.color || color(d, i);
  	                }).filter(function (d, i) {
  	                    return !data[i].disabled && !data[i].bar
  	                }));
  	
  	            var bars2Wrap = g.select('.nv-context .nv-barsWrap')
  	                .datum(dataBars.length ? dataBars : [
  	                    {values: []}
  	                ]);
  	            var lines2Wrap = g.select('.nv-context .nv-linesWrap')
  	                .datum(allDisabled(dataLines) ?
  	                       [{values: []}] :
  	                       dataLines.filter(function(dataLine) {
  	                         return !dataLine.disabled;
  	                       }));
  	
  	            g.select('.nv-context')
  	                .attr('transform', 'translate(0,' + ( availableHeight1 + margin.bottom + margin2.top) + ')');
  	
  	            bars2Wrap.transition().call(bars2);
  	            lines2Wrap.transition().call(lines2);
  	
  	            // context (focus chart) axis controls
  	            if (focusShowAxisX) {
  	                x2Axis
  	                    ._ticks( nv.utils.calcTicksX(availableWidth / 100, data))
  	                    .tickSize(-availableHeight2, 0);
  	                g.select('.nv-context .nv-x.nv-axis')
  	                    .attr('transform', 'translate(0,' + y3.range()[0] + ')');
  	                g.select('.nv-context .nv-x.nv-axis').transition()
  	                    .call(x2Axis);
  	            }
  	
  	            if (focusShowAxisY) {
  	                y3Axis
  	                    .scale(y3)
  	                    ._ticks( availableHeight2 / 36 )
  	                    .tickSize( -availableWidth, 0);
  	                y4Axis
  	                    .scale(y4)
  	                    ._ticks( availableHeight2 / 36 )
  	                    .tickSize(dataBars.length ? 0 : -availableWidth, 0); // Show the y2 rules only if y1 has none
  	
  	                g.select('.nv-context .nv-y3.nv-axis')
  	                    .style('opacity', dataBars.length ? 1 : 0)
  	                    .attr('transform', 'translate(0,' + x2.range()[0] + ')');
  	                g.select('.nv-context .nv-y2.nv-axis')
  	                    .style('opacity', dataLines.length ? 1 : 0)
  	                    .attr('transform', 'translate(' + x2.range()[1] + ',0)');
  	
  	                g.select('.nv-context .nv-y1.nv-axis').transition()
  	                    .call(y3Axis);
  	                g.select('.nv-context .nv-y2.nv-axis').transition()
  	                    .call(y4Axis);
  	            }
  	
  	            // Setup Brush
  	            brush.x(x2).on('brush', onBrush);
  	
  	            if (brushExtent) brush.extent(brushExtent);
  	
  	            var brushBG = g.select('.nv-brushBackground').selectAll('g')
  	                .data([brushExtent || brush.extent()]);
  	
  	            var brushBGenter = brushBG.enter()
  	                .append('g');
  	
  	            brushBGenter.append('rect')
  	                .attr('class', 'left')
  	                .attr('x', 0)
  	                .attr('y', 0)
  	                .attr('height', availableHeight2);
  	
  	            brushBGenter.append('rect')
  	                .attr('class', 'right')
  	                .attr('x', 0)
  	                .attr('y', 0)
  	                .attr('height', availableHeight2);
  	
  	            var gBrush = g.select('.nv-x.nv-brush')
  	                .call(brush);
  	            gBrush.selectAll('rect')
  	                //.attr('y', -5)
  	                .attr('height', availableHeight2);
  	            gBrush.selectAll('.resize').append('path').attr('d', resizePath);
  	
  	            //============================================================
  	            // Event Handling/Dispatching (in chart's scope)
  	            //------------------------------------------------------------
  	
  	            legend.dispatch.on('stateChange', function(newState) {
  	                for (var key in newState)
  	                    state[key] = newState[key];
  	                dispatch.stateChange(state);
  	                chart.update();
  	            });
  	
  	            // Update chart from a state object passed to event handler
  	            dispatch.on('changeState', function(e) {
  	                if (typeof e.disabled !== 'undefined') {
  	                    data.forEach(function(series,i) {
  	                        series.disabled = e.disabled[i];
  	                    });
  	                    state.disabled = e.disabled;
  	                }
  	                chart.update();
  	            });
  	
  	            //============================================================
  	            // Functions
  	            //------------------------------------------------------------
  	
  	            // Taken from crossfilter (http://square.github.com/crossfilter/)
  	            function resizePath(d) {
  	                var e = +(d == 'e'),
  	                    x = e ? 1 : -1,
  	                    y = availableHeight2 / 3;
  	                return 'M' + (.5 * x) + ',' + y
  	                    + 'A6,6 0 0 ' + e + ' ' + (6.5 * x) + ',' + (y + 6)
  	                    + 'V' + (2 * y - 6)
  	                    + 'A6,6 0 0 ' + e + ' ' + (.5 * x) + ',' + (2 * y)
  	                    + 'Z'
  	                    + 'M' + (2.5 * x) + ',' + (y + 8)
  	                    + 'V' + (2 * y - 8)
  	                    + 'M' + (4.5 * x) + ',' + (y + 8)
  	                    + 'V' + (2 * y - 8);
  	            }
  	
  	
  	            function updateBrushBG() {
  	                if (!brush.empty()) brush.extent(brushExtent);
  	                brushBG
  	                    .data([brush.empty() ? x2.domain() : brushExtent])
  	                    .each(function(d,i) {
  	                        var leftWidth = x2(d[0]) - x2.range()[0],
  	                            rightWidth = x2.range()[1] - x2(d[1]);
  	                        d3.select(this).select('.left')
  	                            .attr('width',  leftWidth < 0 ? 0 : leftWidth);
  	
  	                        d3.select(this).select('.right')
  	                            .attr('x', x2(d[1]))
  	                            .attr('width', rightWidth < 0 ? 0 : rightWidth);
  	                    });
  	            }
  	
  	            function onBrush() {
  	                brushExtent = brush.empty() ? null : brush.extent();
  	                extent = brush.empty() ? x2.domain() : brush.extent();
  	                dispatch.brush({extent: extent, brush: brush});
  	                updateBrushBG();
  	
  	                // Prepare Main (Focus) Bars and Lines
  	                bars
  	                    .width(availableWidth)
  	                    .height(availableHeight1)
  	                    .color(data.map(function(d,i) {
  	                        return d.color || color(d, i);
  	                    }).filter(function(d,i) { return !data[i].disabled && data[i].bar }));
  	
  	                lines
  	                    .width(availableWidth)
  	                    .height(availableHeight1)
  	                    .color(data.map(function(d,i) {
  	                        return d.color || color(d, i);
  	                    }).filter(function(d,i) { return !data[i].disabled && !data[i].bar }));
  	
  	                var focusBarsWrap = g.select('.nv-focus .nv-barsWrap')
  	                    .datum(!dataBars.length ? [{values:[]}] :
  	                        dataBars
  	                            .map(function(d,i) {
  	                                return {
  	                                    key: d.key,
  	                                    values: d.values.filter(function(d,i) {
  	                                        return bars.x()(d,i) >= extent[0] && bars.x()(d,i) <= extent[1];
  	                                    })
  	                                }
  	                            })
  	                );
  	
  	                var focusLinesWrap = g.select('.nv-focus .nv-linesWrap')
  	                    .datum(allDisabled(dataLines) ? [{values:[]}] :
  	                           dataLines
  	                           .filter(function(dataLine) { return !dataLine.disabled; })
  	                           .map(function(d,i) {
  	                                return {
  	                                    area: d.area,
  	                                    fillOpacity: d.fillOpacity,
  	                                    strokeWidth: d.strokeWidth,
  	                                    key: d.key,
  	                                    values: d.values.filter(function(d,i) {
  	                                        return lines.x()(d,i) >= extent[0] && lines.x()(d,i) <= extent[1];
  	                                    })
  	                                }
  	                            })
  	                );
  	
  	                // Update Main (Focus) X Axis
  	                if (dataBars.length && !switchYAxisOrder) {
  	                    x = bars.xScale();
  	                } else {
  	                    x = lines.xScale();
  	                }
  	
  	                xAxis
  	                    .scale(x)
  	                    ._ticks( nv.utils.calcTicksX(availableWidth/100, data) )
  	                    .tickSize(-availableHeight1, 0);
  	
  	                xAxis.domain([Math.ceil(extent[0]), Math.floor(extent[1])]);
  	
  	                g.select('.nv-x.nv-axis').transition().duration(transitionDuration)
  	                    .call(xAxis);
  	
  	                // Update Main (Focus) Bars and Lines
  	                focusBarsWrap.transition().duration(transitionDuration).call(bars);
  	                focusLinesWrap.transition().duration(transitionDuration).call(lines);
  	
  	                // Setup and Update Main (Focus) Y Axes
  	                g.select('.nv-focus .nv-x.nv-axis')
  	                    .attr('transform', 'translate(0,' + y1.range()[0] + ')');
  	
  	                y1Axis
  	                    .scale(y1)
  	                    ._ticks( nv.utils.calcTicksY(availableHeight1/36, data) )
  	                    .tickSize(-availableWidth, 0);
  	                y2Axis
  	                    .scale(y2)
  	                    ._ticks( nv.utils.calcTicksY(availableHeight1/36, data) );
  	
  	                // Show the y2 rules only if y1 has none
  	                if(!switchYAxisOrder) {
  	                    y2Axis.tickSize(dataBars.length ? 0 : -availableWidth, 0);
  	                } else {
  	                    y2Axis.tickSize(dataLines.length ? 0 : -availableWidth, 0);
  	                }
  	
  	                // Calculate opacity of the axis
  	                var barsOpacity = dataBars.length ? 1 : 0;
  	                var linesOpacity = dataLines.length && !allDisabled(dataLines) ? 1 : 0;
  	
  	                var y1Opacity = switchYAxisOrder ? linesOpacity : barsOpacity;
  	                var y2Opacity = switchYAxisOrder ? barsOpacity : linesOpacity;
  	
  	                g.select('.nv-focus .nv-y1.nv-axis')
  	                    .style('opacity', y1Opacity);
  	                g.select('.nv-focus .nv-y2.nv-axis')
  	                    .style('opacity', y2Opacity)
  	                    .attr('transform', 'translate(' + x.range()[1] + ',0)');
  	
  	                g.select('.nv-focus .nv-y1.nv-axis').transition().duration(transitionDuration)
  	                    .call(y1Axis);
  	                g.select('.nv-focus .nv-y2.nv-axis').transition().duration(transitionDuration)
  	                    .call(y2Axis);
  	            }
  	
  	            onBrush();
  	
  	        });
  	
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Event Handling/Dispatching (out of chart's scope)
  	    //------------------------------------------------------------
  	
  	    lines.dispatch.on('elementMouseover.tooltip', function(evt) {
  	        tooltip
  	            .duration(100)
  	            .valueFormatter(function(d, i) {
  	                return getLinesAxis().main.tickFormat()(d, i);
  	            })
  	            .data(evt)
  	            .hidden(false);
  	    });
  	
  	    lines.dispatch.on('elementMouseout.tooltip', function(evt) {
  	        tooltip.hidden(true)
  	    });
  	
  	    bars.dispatch.on('elementMouseover.tooltip', function(evt) {
  	        evt.value = chart.x()(evt.data);
  	        evt['series'] = {
  	            value: chart.y()(evt.data),
  	            color: evt.color
  	        };
  	        tooltip
  	            .duration(0)
  	            .valueFormatter(function(d, i) {
  	                return getBarsAxis().main.tickFormat()(d, i);
  	            })
  	            .data(evt)
  	            .hidden(false);
  	    });
  	
  	    bars.dispatch.on('elementMouseout.tooltip', function(evt) {
  	        tooltip.hidden(true);
  	    });
  	
  	    bars.dispatch.on('elementMousemove.tooltip', function(evt) {
  	        tooltip();
  	    });
  	
  	    //============================================================
  	
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    // expose chart's sub-components
  	    chart.dispatch = dispatch;
  	    chart.legend = legend;
  	    chart.lines = lines;
  	    chart.lines2 = lines2;
  	    chart.bars = bars;
  	    chart.bars2 = bars2;
  	    chart.xAxis = xAxis;
  	    chart.x2Axis = x2Axis;
  	    chart.y1Axis = y1Axis;
  	    chart.y2Axis = y2Axis;
  	    chart.y3Axis = y3Axis;
  	    chart.y4Axis = y4Axis;
  	    chart.tooltip = tooltip;
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  	        showLegend: {get: function(){return showLegend;}, set: function(_){showLegend=_;}},
  	        brushExtent:    {get: function(){return brushExtent;}, set: function(_){brushExtent=_;}},
  	        noData:    {get: function(){return noData;}, set: function(_){noData=_;}},
  	        focusEnable:    {get: function(){return focusEnable;}, set: function(_){focusEnable=_;}},
  	        focusHeight:    {get: function(){return focusHeight;}, set: function(_){focusHeight=_;}},
  	        focusShowAxisX:    {get: function(){return focusShowAxisX;}, set: function(_){focusShowAxisX=_;}},
  	        focusShowAxisY:    {get: function(){return focusShowAxisY;}, set: function(_){focusShowAxisY=_;}},
  	        legendLeftAxisHint:    {get: function(){return legendLeftAxisHint;}, set: function(_){legendLeftAxisHint=_;}},
  	        legendRightAxisHint:    {get: function(){return legendRightAxisHint;}, set: function(_){legendRightAxisHint=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        focusMargin: {get: function(){return margin2;}, set: function(_){
  	            margin2.top    = _.top    !== undefined ? _.top    : margin2.top;
  	            margin2.right  = _.right  !== undefined ? _.right  : margin2.right;
  	            margin2.bottom = _.bottom !== undefined ? _.bottom : margin2.bottom;
  	            margin2.left   = _.left   !== undefined ? _.left   : margin2.left;
  	        }},
  	        duration: {get: function(){return transitionDuration;}, set: function(_){
  	            transitionDuration = _;
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	            legend.color(color);
  	        }},
  	        x: {get: function(){return getX;}, set: function(_){
  	            getX = _;
  	            lines.x(_);
  	            lines2.x(_);
  	            bars.x(_);
  	            bars2.x(_);
  	        }},
  	        y: {get: function(){return getY;}, set: function(_){
  	            getY = _;
  	            lines.y(_);
  	            lines2.y(_);
  	            bars.y(_);
  	            bars2.y(_);
  	        }},
  	        switchYAxisOrder:    {get: function(){return switchYAxisOrder;}, set: function(_){
  	            // Switch the tick format for the yAxis
  	            if(switchYAxisOrder !== _) {
  	                var y1 = y1Axis;
  	                y1Axis = y2Axis;
  	                y2Axis = y1;
  	
  	                var y3 = y3Axis;
  	                y3Axis = y4Axis;
  	                y4Axis = y3;
  	            }
  	            switchYAxisOrder=_;
  	
  	            y1Axis.orient('left');
  	            y2Axis.orient('right');
  	            y3Axis.orient('left');
  	            y4Axis.orient('right');
  	        }}
  	    });
  	
  	    nv.utils.inheritOptions(chart, lines);
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	
  	nv.models.multiBar = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 0, right: 0, bottom: 0, left: 0}
  	        , width = 960
  	        , height = 500
  	        , x = d3.scale.ordinal()
  	        , y = d3.scale.linear()
  	        , id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
  	        , container = null
  	        , getX = function(d) { return d.x }
  	        , getY = function(d) { return d.y }
  	        , forceY = [0] // 0 is forced by default.. this makes sense for the majority of bar graphs... user can always do chart.forceY([]) to remove
  	        , clipEdge = true
  	        , stacked = false
  	        , stackOffset = 'zero' // options include 'silhouette', 'wiggle', 'expand', 'zero', or a custom function
  	        , color = nv.utils.defaultColor()
  	        , hideable = false
  	        , barColor = null // adding the ability to set the color for each rather than the whole group
  	        , disabled // used in conjunction with barColor to communicate from multiBarHorizontalChart what series are disabled
  	        , duration = 500
  	        , xDomain
  	        , yDomain
  	        , xRange
  	        , yRange
  	        , groupSpacing = 0.1
  	        , fillOpacity = 0.75
  	        , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout', 'elementMousemove', 'renderEnd')
  	        ;
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var x0, y0 //used to store previous scales
  	        , renderWatch = nv.utils.renderWatch(dispatch, duration)
  	        ;
  	
  	    var last_datalength = 0;
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        selection.each(function(data) {
  	            var availableWidth = width - margin.left - margin.right,
  	                availableHeight = height - margin.top - margin.bottom;
  	
  	            container = d3.select(this);
  	            nv.utils.initSVG(container);
  	            var nonStackableCount = 0;
  	            // This function defines the requirements for render complete
  	            var endFn = function(d, i) {
  	                if (d.series === data.length - 1 && i === data[0].values.length - 1)
  	                    return true;
  	                return false;
  	            };
  	
  	            if(hideable && data.length) hideable = [{
  	                values: data[0].values.map(function(d) {
  	                        return {
  	                            x: d.x,
  	                            y: 0,
  	                            series: d.series,
  	                            size: 0.01
  	                        };}
  	                )}];
  	
  	            if (stacked) {
  	                var parsed = d3.layout.stack()
  	                    .offset(stackOffset)
  	                    .values(function(d){ return d.values })
  	                    .y(getY)
  	                (!data.length && hideable ? hideable : data);
  	
  	                parsed.forEach(function(series, i){
  	                    // if series is non-stackable, use un-parsed data
  	                    if (series.nonStackable) {
  	                        data[i].nonStackableSeries = nonStackableCount++;
  	                        parsed[i] = data[i];
  	                    } else {
  	                        // don't stack this seires on top of the nonStackable seriees
  	                        if (i > 0 && parsed[i - 1].nonStackable){
  	                            parsed[i].values.map(function(d,j){
  	                                d.y0 -= parsed[i - 1].values[j].y;
  	                                d.y1 = d.y0 + d.y;
  	                            });
  	                        }
  	                    }
  	                });
  	                data = parsed;
  	            }
  	            //add series index and key to each data point for reference
  	            data.forEach(function(series, i) {
  	                series.values.forEach(function(point) {
  	                    point.series = i;
  	                    point.key = series.key;
  	                });
  	            });
  	
  	            // HACK for negative value stacking
  	            if (stacked && data.length > 0) {
  	                data[0].values.map(function(d,i) {
  	                    var posBase = 0, negBase = 0;
  	                    data.map(function(d, idx) {
  	                        if (!data[idx].nonStackable) {
  	                            var f = d.values[i]
  	                            f.size = Math.abs(f.y);
  	                            if (f.y<0)  {
  	                                f.y1 = negBase;
  	                                negBase = negBase - f.size;
  	                            } else
  	                            {
  	                                f.y1 = f.size + posBase;
  	                                posBase = posBase + f.size;
  	                            }
  	                        }
  	
  	                    });
  	                });
  	            }
  	            // Setup Scales
  	            // remap and flatten the data for use in calculating the scales' domains
  	            var seriesData = (xDomain && yDomain) ? [] : // if we know xDomain and yDomain, no need to calculate
  	                data.map(function(d, idx) {
  	                    return d.values.map(function(d,i) {
  	                        return { x: getX(d,i), y: getY(d,i), y0: d.y0, y1: d.y1, idx:idx }
  	                    })
  	                });
  	
  	            x.domain(xDomain || d3.merge(seriesData).map(function(d) { return d.x }))
  	                .rangeBands(xRange || [0, availableWidth], groupSpacing);
  	
  	            y.domain(yDomain || d3.extent(d3.merge(seriesData).map(function(d) {
  	                var domain = d.y;
  	                // increase the domain range if this series is stackable
  	                if (stacked && !data[d.idx].nonStackable) {
  	                    if (d.y > 0){
  	                        domain = d.y1
  	                    } else {
  	                        domain = d.y1 + d.y
  	                    }
  	                }
  	                return domain;
  	            }).concat(forceY)))
  	            .range(yRange || [availableHeight, 0]);
  	
  	            // If scale's domain don't have a range, slightly adjust to make one... so a chart can show a single data point
  	            if (x.domain()[0] === x.domain()[1])
  	                x.domain()[0] ?
  	                    x.domain([x.domain()[0] - x.domain()[0] * 0.01, x.domain()[1] + x.domain()[1] * 0.01])
  	                    : x.domain([-1,1]);
  	
  	            if (y.domain()[0] === y.domain()[1])
  	                y.domain()[0] ?
  	                    y.domain([y.domain()[0] + y.domain()[0] * 0.01, y.domain()[1] - y.domain()[1] * 0.01])
  	                    : y.domain([-1,1]);
  	
  	            x0 = x0 || x;
  	            y0 = y0 || y;
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-multibar').data([data]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-multibar');
  	            var defsEnter = wrapEnter.append('defs');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-groups');
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            defsEnter.append('clipPath')
  	                .attr('id', 'nv-edge-clip-' + id)
  	                .append('rect');
  	            wrap.select('#nv-edge-clip-' + id + ' rect')
  	                .attr('width', availableWidth)
  	                .attr('height', availableHeight);
  	
  	            g.attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + id + ')' : '');
  	
  	            var groups = wrap.select('.nv-groups').selectAll('.nv-group')
  	                .data(function(d) { return d }, function(d,i) { return i });
  	            groups.enter().append('g')
  	                .style('stroke-opacity', 1e-6)
  	                .style('fill-opacity', 1e-6);
  	
  	            var exitTransition = renderWatch
  	                .transition(groups.exit().selectAll('rect.nv-bar'), 'multibarExit', Math.min(100, duration))
  	                .attr('y', function(d, i, j) {
  	                    var yVal = y0(0) || 0;
  	                    if (stacked) {
  	                        if (data[d.series] && !data[d.series].nonStackable) {
  	                            yVal = y0(d.y0);
  	                        }
  	                    }
  	                    return yVal;
  	                })
  	                .attr('height', 0)
  	                .remove();
  	            if (exitTransition.delay)
  	                exitTransition.delay(function(d,i) {
  	                    var delay = i * (duration / (last_datalength + 1)) - i;
  	                    return delay;
  	                });
  	            groups
  	                .attr('class', function(d,i) { return 'nv-group nv-series-' + i })
  	                .classed('hover', function(d) { return d.hover })
  	                .style('fill', function(d,i){ return color(d, i) })
  	                .style('stroke', function(d,i){ return color(d, i) });
  	            groups
  	                .style('stroke-opacity', 1)
  	                .style('fill-opacity', fillOpacity);
  	
  	            var bars = groups.selectAll('rect.nv-bar')
  	                .data(function(d) { return (hideable && !data.length) ? hideable.values : d.values });
  	            bars.exit().remove();
  	
  	            var barsEnter = bars.enter().append('rect')
  	                    .attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive'})
  	                    .attr('x', function(d,i,j) {
  	                        return stacked && !data[j].nonStackable ? 0 : (j * x.rangeBand() / data.length )
  	                    })
  	                    .attr('y', function(d,i,j) { return y0(stacked && !data[j].nonStackable ? d.y0 : 0) || 0 })
  	                    .attr('height', 0)
  	                    .attr('width', function(d,i,j) { return x.rangeBand() / (stacked && !data[j].nonStackable ? 1 : data.length) })
  	                    .attr('transform', function(d,i) { return 'translate(' + x(getX(d,i)) + ',0)'; })
  	                ;
  	            bars
  	                .style('fill', function(d,i,j){ return color(d, j, i);  })
  	                .style('stroke', function(d,i,j){ return color(d, j, i); })
  	                .on('mouseover', function(d,i) { //TODO: figure out why j works above, but not here
  	                    d3.select(this).classed('hover', true);
  	                    dispatch.elementMouseover({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                })
  	                .on('mouseout', function(d,i) {
  	                    d3.select(this).classed('hover', false);
  	                    dispatch.elementMouseout({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                })
  	                .on('mousemove', function(d,i) {
  	                    dispatch.elementMousemove({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                })
  	                .on('click', function(d,i) {
  	                    var element = this;
  	                    dispatch.elementClick({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill"),
  	                        event: d3.event,
  	                        element: element
  	                    });
  	                    d3.event.stopPropagation();
  	                })
  	                .on('dblclick', function(d,i) {
  	                    dispatch.elementDblClick({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                    d3.event.stopPropagation();
  	                });
  	            bars
  	                .attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive'})
  	                .attr('transform', function(d,i) { return 'translate(' + x(getX(d,i)) + ',0)'; })
  	
  	            if (barColor) {
  	                if (!disabled) disabled = data.map(function() { return true });
  	                bars
  	                    .style('fill', function(d,i,j) { return d3.rgb(barColor(d,i)).darker(  disabled.map(function(d,i) { return i }).filter(function(d,i){ return !disabled[i]  })[j]   ).toString(); })
  	                    .style('stroke', function(d,i,j) { return d3.rgb(barColor(d,i)).darker(  disabled.map(function(d,i) { return i }).filter(function(d,i){ return !disabled[i]  })[j]   ).toString(); });
  	            }
  	
  	            var barSelection =
  	                bars.watchTransition(renderWatch, 'multibar', Math.min(250, duration))
  	                    .delay(function(d,i) {
  	                        return i * duration / data[0].values.length;
  	                    });
  	            if (stacked){
  	                barSelection
  	                    .attr('y', function(d,i,j) {
  	                        var yVal = 0;
  	                        // if stackable, stack it on top of the previous series
  	                        if (!data[j].nonStackable) {
  	                            yVal = y(d.y1);
  	                        } else {
  	                            if (getY(d,i) < 0){
  	                                yVal = y(0);
  	                            } else {
  	                                if (y(0) - y(getY(d,i)) < -1){
  	                                    yVal = y(0) - 1;
  	                                } else {
  	                                    yVal = y(getY(d, i)) || 0;
  	                                }
  	                            }
  	                        }
  	                        return yVal;
  	                    })
  	                    .attr('height', function(d,i,j) {
  	                        if (!data[j].nonStackable) {
  	                            return Math.max(Math.abs(y(d.y+d.y0) - y(d.y0)), 0);
  	                        } else {
  	                            return Math.max(Math.abs(y(getY(d,i)) - y(0)), 0) || 0;
  	                        }
  	                    })
  	                    .attr('x', function(d,i,j) {
  	                        var width = 0;
  	                        if (data[j].nonStackable) {
  	                            width = d.series * x.rangeBand() / data.length;
  	                            if (data.length !== nonStackableCount){
  	                                width = data[j].nonStackableSeries * x.rangeBand()/(nonStackableCount*2);
  	                            }
  	                        }
  	                        return width;
  	                    })
  	                    .attr('width', function(d,i,j){
  	                        if (!data[j].nonStackable) {
  	                            return x.rangeBand();
  	                        } else {
  	                            // if all series are nonStacable, take the full width
  	                            var width = (x.rangeBand() / nonStackableCount);
  	                            // otherwise, nonStackable graph will be only taking the half-width
  	                            // of the x rangeBand
  	                            if (data.length !== nonStackableCount) {
  	                                width = x.rangeBand()/(nonStackableCount*2);
  	                            }
  	                            return width;
  	                        }
  	                    });
  	            }
  	            else {
  	                barSelection
  	                    .attr('x', function(d,i) {
  	                        return d.series * x.rangeBand() / data.length;
  	                    })
  	                    .attr('width', x.rangeBand() / data.length)
  	                    .attr('y', function(d,i) {
  	                        return getY(d,i) < 0 ?
  	                            y(0) :
  	                                y(0) - y(getY(d,i)) < 1 ?
  	                            y(0) - 1 :
  	                            y(getY(d,i)) || 0;
  	                    })
  	                    .attr('height', function(d,i) {
  	                        return Math.max(Math.abs(y(getY(d,i)) - y(0)),1) || 0;
  	                    });
  	            }
  	
  	            //store old scales for use in transitions on update
  	            x0 = x.copy();
  	            y0 = y.copy();
  	
  	            // keep track of the last data value length for transition calculations
  	            if (data[0] && data[0].values) {
  	                last_datalength = data[0].values.length;
  	            }
  	
  	        });
  	
  	        renderWatch.renderEnd('multibar immediate');
  	
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:   {get: function(){return width;}, set: function(_){width=_;}},
  	        height:  {get: function(){return height;}, set: function(_){height=_;}},
  	        x:       {get: function(){return getX;}, set: function(_){getX=_;}},
  	        y:       {get: function(){return getY;}, set: function(_){getY=_;}},
  	        xScale:  {get: function(){return x;}, set: function(_){x=_;}},
  	        yScale:  {get: function(){return y;}, set: function(_){y=_;}},
  	        xDomain: {get: function(){return xDomain;}, set: function(_){xDomain=_;}},
  	        yDomain: {get: function(){return yDomain;}, set: function(_){yDomain=_;}},
  	        xRange:  {get: function(){return xRange;}, set: function(_){xRange=_;}},
  	        yRange:  {get: function(){return yRange;}, set: function(_){yRange=_;}},
  	        forceY:  {get: function(){return forceY;}, set: function(_){forceY=_;}},
  	        stacked: {get: function(){return stacked;}, set: function(_){stacked=_;}},
  	        stackOffset: {get: function(){return stackOffset;}, set: function(_){stackOffset=_;}},
  	        clipEdge:    {get: function(){return clipEdge;}, set: function(_){clipEdge=_;}},
  	        disabled:    {get: function(){return disabled;}, set: function(_){disabled=_;}},
  	        id:          {get: function(){return id;}, set: function(_){id=_;}},
  	        hideable:    {get: function(){return hideable;}, set: function(_){hideable=_;}},
  	        groupSpacing:{get: function(){return groupSpacing;}, set: function(_){groupSpacing=_;}},
  	        fillOpacity: {get: function(){return fillOpacity;}, set: function(_){fillOpacity=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }},
  	        barColor:  {get: function(){return barColor;}, set: function(_){
  	            barColor = _ ? nv.utils.getColor(_) : null;
  	        }}
  	    });
  	
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	nv.models.multiBarChart = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var multibar = nv.models.multiBar()
  	        , xAxis = nv.models.axis()
  	        , yAxis = nv.models.axis()
  	        , interactiveLayer = nv.interactiveGuideline()
  	        , legend = nv.models.legend()
  	        , controls = nv.models.legend()
  	        , tooltip = nv.models.tooltip()
  	        ;
  	
  	    var margin = {top: 30, right: 20, bottom: 50, left: 60}
  	        , width = null
  	        , height = null
  	        , color = nv.utils.defaultColor()
  	        , showControls = true
  	        , controlLabels = {}
  	        , showLegend = true
  	        , showXAxis = true
  	        , showYAxis = true
  	        , rightAlignYAxis = false
  	        , reduceXTicks = true // if false a tick will show for every data point
  	        , staggerLabels = false
  	        , wrapLabels = false
  	        , rotateLabels = 0
  	        , x //can be accessed via chart.xScale()
  	        , y //can be accessed via chart.yScale()
  	        , state = nv.utils.state()
  	        , defaultState = null
  	        , noData = null
  	        , dispatch = d3.dispatch('stateChange', 'changeState', 'renderEnd')
  	        , controlWidth = function() { return showControls ? 180 : 0 }
  	        , duration = 250
  	        , useInteractiveGuideline = false
  	        ;
  	
  	    state.stacked = false // DEPRECATED Maintained for backward compatibility
  	
  	    multibar.stacked(false);
  	    xAxis
  	        .orient('bottom')
  	        .tickPadding(7)
  	        .showMaxMin(false)
  	        .tickFormat(function(d) { return d })
  	    ;
  	    yAxis
  	        .orient((rightAlignYAxis) ? 'right' : 'left')
  	        .tickFormat(d3.format(',.1f'))
  	    ;
  	
  	    tooltip
  	        .duration(0)
  	        .valueFormatter(function(d, i) {
  	            return yAxis.tickFormat()(d, i);
  	        })
  	        .headerFormatter(function(d, i) {
  	            return xAxis.tickFormat()(d, i);
  	        });
  	
  	    controls.updateState(false);
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch);
  	    var stacked = false;
  	
  	    var stateGetter = function(data) {
  	        return function(){
  	            return {
  	                active: data.map(function(d) { return !d.disabled }),
  	                stacked: stacked
  	            };
  	        }
  	    };
  	
  	    var stateSetter = function(data) {
  	        return function(state) {
  	            if (state.stacked !== undefined)
  	                stacked = state.stacked;
  	            if (state.active !== undefined)
  	                data.forEach(function(series,i) {
  	                    series.disabled = !state.active[i];
  	                });
  	        }
  	    };
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        renderWatch.models(multibar);
  	        if (showXAxis) renderWatch.models(xAxis);
  	        if (showYAxis) renderWatch.models(yAxis);
  	
  	        selection.each(function(data) {
  	            var container = d3.select(this),
  	                that = this;
  	            nv.utils.initSVG(container);
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	            chart.update = function() {
  	                if (duration === 0)
  	                    container.call(chart);
  	                else
  	                    container.transition()
  	                        .duration(duration)
  	                        .call(chart);
  	            };
  	            chart.container = this;
  	
  	            state
  	                .setter(stateSetter(data), chart.update)
  	                .getter(stateGetter(data))
  	                .update();
  	
  	            // DEPRECATED set state.disableddisabled
  	            state.disabled = data.map(function(d) { return !!d.disabled });
  	
  	            if (!defaultState) {
  	                var key;
  	                defaultState = {};
  	                for (key in state) {
  	                    if (state[key] instanceof Array)
  	                        defaultState[key] = state[key].slice(0);
  	                    else
  	                        defaultState[key] = state[key];
  	                }
  	            }
  	
  	            // Display noData message if there's nothing to show.
  	            if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
  	                nv.utils.noData(chart, container)
  	                return chart;
  	            } else {
  	                container.selectAll('.nv-noData').remove();
  	            }
  	
  	            // Setup Scales
  	            x = multibar.xScale();
  	            y = multibar.yScale();
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-multiBarWithLegend').data([data]);
  	            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-multiBarWithLegend').append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-x nv-axis');
  	            gEnter.append('g').attr('class', 'nv-y nv-axis');
  	            gEnter.append('g').attr('class', 'nv-barsWrap');
  	            gEnter.append('g').attr('class', 'nv-legendWrap');
  	            gEnter.append('g').attr('class', 'nv-controlsWrap');
  	            gEnter.append('g').attr('class', 'nv-interactive');
  	
  	            // Legend
  	            if (!showLegend) {
  	                g.select('.nv-legendWrap').selectAll('*').remove();
  	            } else {
  	                legend.width(availableWidth - controlWidth());
  	
  	                g.select('.nv-legendWrap')
  	                    .datum(data)
  	                    .call(legend);
  	
  	                if (legend.height() > margin.top) {
  	                    margin.top = legend.height();
  	                    availableHeight = nv.utils.availableHeight(height, container, margin);
  	                }
  	
  	                g.select('.nv-legendWrap')
  	                    .attr('transform', 'translate(' + controlWidth() + ',' + (-margin.top) +')');
  	            }
  	
  	            // Controls
  	            if (!showControls) {
  	                 g.select('.nv-controlsWrap').selectAll('*').remove();
  	            } else {
  	                var controlsData = [
  	                    { key: controlLabels.grouped || 'Grouped', disabled: multibar.stacked() },
  	                    { key: controlLabels.stacked || 'Stacked', disabled: !multibar.stacked() }
  	                ];
  	
  	                controls.width(controlWidth()).color(['#444', '#444', '#444']);
  	                g.select('.nv-controlsWrap')
  	                    .datum(controlsData)
  	                    .attr('transform', 'translate(0,' + (-margin.top) +')')
  	                    .call(controls);
  	            }
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	            if (rightAlignYAxis) {
  	                g.select(".nv-y.nv-axis")
  	                    .attr("transform", "translate(" + availableWidth + ",0)");
  	            }
  	
  	            // Main Chart Component(s)
  	            multibar
  	                .disabled(data.map(function(series) { return series.disabled }))
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .color(data.map(function(d,i) {
  	                    return d.color || color(d, i);
  	                }).filter(function(d,i) { return !data[i].disabled }));
  	
  	
  	            var barsWrap = g.select('.nv-barsWrap')
  	                .datum(data.filter(function(d) { return !d.disabled }));
  	
  	            barsWrap.call(multibar);
  	
  	            // Setup Axes
  	            if (showXAxis) {
  	                xAxis
  	                    .scale(x)
  	                    ._ticks( nv.utils.calcTicksX(availableWidth/100, data) )
  	                    .tickSize(-availableHeight, 0);
  	
  	                g.select('.nv-x.nv-axis')
  	                    .attr('transform', 'translate(0,' + y.range()[0] + ')');
  	                g.select('.nv-x.nv-axis')
  	                    .call(xAxis);
  	
  	                var xTicks = g.select('.nv-x.nv-axis > g').selectAll('g');
  	
  	                xTicks
  	                    .selectAll('line, text')
  	                    .style('opacity', 1)
  	
  	                if (staggerLabels) {
  	                    var getTranslate = function(x,y) {
  	                        return "translate(" + x + "," + y + ")";
  	                    };
  	
  	                    var staggerUp = 5, staggerDown = 17;  //pixels to stagger by
  	                    // Issue #140
  	                    xTicks
  	                        .selectAll("text")
  	                        .attr('transform', function(d,i,j) {
  	                            return  getTranslate(0, (j % 2 == 0 ? staggerUp : staggerDown));
  	                        });
  	
  	                    var totalInBetweenTicks = d3.selectAll(".nv-x.nv-axis .nv-wrap g g text")[0].length;
  	                    g.selectAll(".nv-x.nv-axis .nv-axisMaxMin text")
  	                        .attr("transform", function(d,i) {
  	                            return getTranslate(0, (i === 0 || totalInBetweenTicks % 2 !== 0) ? staggerDown : staggerUp);
  	                        });
  	                }
  	
  	                if (wrapLabels) {
  	                    g.selectAll('.tick text')
  	                        .call(nv.utils.wrapTicks, chart.xAxis.rangeBand())
  	                }
  	
  	                if (reduceXTicks)
  	                    xTicks
  	                        .filter(function(d,i) {
  	                            return i % Math.ceil(data[0].values.length / (availableWidth / 100)) !== 0;
  	                        })
  	                        .selectAll('text, line')
  	                        .style('opacity', 0);
  	
  	                if(rotateLabels)
  	                    xTicks
  	                        .selectAll('.tick text')
  	                        .attr('transform', 'rotate(' + rotateLabels + ' 0,0)')
  	                        .style('text-anchor', rotateLabels > 0 ? 'start' : 'end');
  	
  	                g.select('.nv-x.nv-axis').selectAll('g.nv-axisMaxMin text')
  	                    .style('opacity', 1);
  	            }
  	
  	            if (showYAxis) {
  	                yAxis
  	                    .scale(y)
  	                    ._ticks( nv.utils.calcTicksY(availableHeight/36, data) )
  	                    .tickSize( -availableWidth, 0);
  	
  	                g.select('.nv-y.nv-axis')
  	                    .call(yAxis);
  	            }
  	
  	            //Set up interactive layer
  	            if (useInteractiveGuideline) {
  	                interactiveLayer
  	                    .width(availableWidth)
  	                    .height(availableHeight)
  	                    .margin({left:margin.left, top:margin.top})
  	                    .svgContainer(container)
  	                    .xScale(x);
  	                wrap.select(".nv-interactive").call(interactiveLayer);
  	            }
  	
  	            //============================================================
  	            // Event Handling/Dispatching (in chart's scope)
  	            //------------------------------------------------------------
  	
  	            legend.dispatch.on('stateChange', function(newState) {
  	                for (var key in newState)
  	                    state[key] = newState[key];
  	                dispatch.stateChange(state);
  	                chart.update();
  	            });
  	
  	            controls.dispatch.on('legendClick', function(d,i) {
  	                if (!d.disabled) return;
  	                controlsData = controlsData.map(function(s) {
  	                    s.disabled = true;
  	                    return s;
  	                });
  	                d.disabled = false;
  	
  	                switch (d.key) {
  	                    case 'Grouped':
  	                    case controlLabels.grouped:
  	                        multibar.stacked(false);
  	                        break;
  	                    case 'Stacked':
  	                    case controlLabels.stacked:
  	                        multibar.stacked(true);
  	                        break;
  	                }
  	
  	                state.stacked = multibar.stacked();
  	                dispatch.stateChange(state);
  	                chart.update();
  	            });
  	
  	            // Update chart from a state object passed to event handler
  	            dispatch.on('changeState', function(e) {
  	                if (typeof e.disabled !== 'undefined') {
  	                    data.forEach(function(series,i) {
  	                        series.disabled = e.disabled[i];
  	                    });
  	                    state.disabled = e.disabled;
  	                }
  	                if (typeof e.stacked !== 'undefined') {
  	                    multibar.stacked(e.stacked);
  	                    state.stacked = e.stacked;
  	                    stacked = e.stacked;
  	                }
  	                chart.update();
  	            });
  	
  	            if (useInteractiveGuideline) {
  	                interactiveLayer.dispatch.on('elementMousemove', function(e) {
  	                    if (e.pointXValue == undefined) return;
  	
  	                    var singlePoint, pointIndex, pointXLocation, xValue, allData = [];
  	                    data
  	                        .filter(function(series, i) {
  	                            series.seriesIndex = i;
  	                            return !series.disabled;
  	                        })
  	                        .forEach(function(series,i) {
  	                            pointIndex = x.domain().indexOf(e.pointXValue)
  	
  	                            var point = series.values[pointIndex];
  	                            if (point === undefined) return;
  	
  	                            xValue = point.x;
  	                            if (singlePoint === undefined) singlePoint = point;
  	                            if (pointXLocation === undefined) pointXLocation = e.mouseX
  	                            allData.push({
  	                                key: series.key,
  	                                value: chart.y()(point, pointIndex),
  	                                color: color(series,series.seriesIndex),
  	                                data: series.values[pointIndex]
  	                            });
  	                        });
  	
  	                    interactiveLayer.tooltip
  	                        .data({
  	                            value: xValue,
  	                            index: pointIndex,
  	                            series: allData
  	                        })();
  	
  	                    interactiveLayer.renderGuideLine(pointXLocation);
  	                });
  	
  	                interactiveLayer.dispatch.on("elementMouseout",function(e) {
  	                    interactiveLayer.tooltip.hidden(true);
  	                });
  	            }
  	            else {
  	                multibar.dispatch.on('elementMouseover.tooltip', function(evt) {
  	                    evt.value = chart.x()(evt.data);
  	                    evt['series'] = {
  	                        key: evt.data.key,
  	                        value: chart.y()(evt.data),
  	                        color: evt.color
  	                    };
  	                    tooltip.data(evt).hidden(false);
  	                });
  	
  	                multibar.dispatch.on('elementMouseout.tooltip', function(evt) {
  	                    tooltip.hidden(true);
  	                });
  	
  	                multibar.dispatch.on('elementMousemove.tooltip', function(evt) {
  	                    tooltip();
  	                });
  	            }
  	        });
  	
  	        renderWatch.renderEnd('multibarchart immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    // expose chart's sub-components
  	    chart.dispatch = dispatch;
  	    chart.multibar = multibar;
  	    chart.legend = legend;
  	    chart.controls = controls;
  	    chart.xAxis = xAxis;
  	    chart.yAxis = yAxis;
  	    chart.state = state;
  	    chart.tooltip = tooltip;
  	    chart.interactiveLayer = interactiveLayer;
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  	        showLegend: {get: function(){return showLegend;}, set: function(_){showLegend=_;}},
  	        showControls: {get: function(){return showControls;}, set: function(_){showControls=_;}},
  	        controlLabels: {get: function(){return controlLabels;}, set: function(_){controlLabels=_;}},
  	        showXAxis:      {get: function(){return showXAxis;}, set: function(_){showXAxis=_;}},
  	        showYAxis:    {get: function(){return showYAxis;}, set: function(_){showYAxis=_;}},
  	        defaultState:    {get: function(){return defaultState;}, set: function(_){defaultState=_;}},
  	        noData:    {get: function(){return noData;}, set: function(_){noData=_;}},
  	        reduceXTicks:    {get: function(){return reduceXTicks;}, set: function(_){reduceXTicks=_;}},
  	        rotateLabels:    {get: function(){return rotateLabels;}, set: function(_){rotateLabels=_;}},
  	        staggerLabels:    {get: function(){return staggerLabels;}, set: function(_){staggerLabels=_;}},
  	        wrapLabels:   {get: function(){return wrapLabels;}, set: function(_){wrapLabels=!!_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            multibar.duration(duration);
  	            xAxis.duration(duration);
  	            yAxis.duration(duration);
  	            renderWatch.reset(duration);
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	            legend.color(color);
  	        }},
  	        rightAlignYAxis: {get: function(){return rightAlignYAxis;}, set: function(_){
  	            rightAlignYAxis = _;
  	            yAxis.orient( rightAlignYAxis ? 'right' : 'left');
  	        }},
  	        useInteractiveGuideline: {get: function(){return useInteractiveGuideline;}, set: function(_){
  	            useInteractiveGuideline = _;
  	        }},
  	        barColor:  {get: function(){return multibar.barColor;}, set: function(_){
  	            multibar.barColor(_);
  	            legend.color(function(d,i) {return d3.rgb('#ccc').darker(i * 1.5).toString();})
  	        }}
  	    });
  	
  	    nv.utils.inheritOptions(chart, multibar);
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	
  	nv.models.multiBarHorizontal = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 0, right: 0, bottom: 0, left: 0}
  	        , width = 960
  	        , height = 500
  	        , id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
  	        , container = null
  	        , x = d3.scale.ordinal()
  	        , y = d3.scale.linear()
  	        , getX = function(d) { return d.x }
  	        , getY = function(d) { return d.y }
  	        , getYerr = function(d) { return d.yErr }
  	        , forceY = [0] // 0 is forced by default.. this makes sense for the majority of bar graphs... user can always do chart.forceY([]) to remove
  	        , color = nv.utils.defaultColor()
  	        , barColor = null // adding the ability to set the color for each rather than the whole group
  	        , disabled // used in conjunction with barColor to communicate from multiBarHorizontalChart what series are disabled
  	        , stacked = false
  	        , showValues = false
  	        , showBarLabels = false
  	        , valuePadding = 60
  	        , groupSpacing = 0.1
  	        , fillOpacity = 0.75
  	        , valueFormat = d3.format(',.2f')
  	        , delay = 1200
  	        , xDomain
  	        , yDomain
  	        , xRange
  	        , yRange
  	        , duration = 250
  	        , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout', 'elementMousemove', 'renderEnd')
  	        ;
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var x0, y0; //used to store previous scales
  	    var renderWatch = nv.utils.renderWatch(dispatch, duration);
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        selection.each(function(data) {
  	            var availableWidth = width - margin.left - margin.right,
  	                availableHeight = height - margin.top - margin.bottom;
  	
  	            container = d3.select(this);
  	            nv.utils.initSVG(container);
  	
  	            if (stacked)
  	                data = d3.layout.stack()
  	                    .offset('zero')
  	                    .values(function(d){ return d.values })
  	                    .y(getY)
  	                (data);
  	
  	            //add series index and key to each data point for reference
  	            data.forEach(function(series, i) {
  	                series.values.forEach(function(point) {
  	                    point.series = i;
  	                    point.key = series.key;
  	                });
  	            });
  	
  	            // HACK for negative value stacking
  	            if (stacked)
  	                data[0].values.map(function(d,i) {
  	                    var posBase = 0, negBase = 0;
  	                    data.map(function(d) {
  	                        var f = d.values[i]
  	                        f.size = Math.abs(f.y);
  	                        if (f.y<0)  {
  	                            f.y1 = negBase - f.size;
  	                            negBase = negBase - f.size;
  	                        } else
  	                        {
  	                            f.y1 = posBase;
  	                            posBase = posBase + f.size;
  	                        }
  	                    });
  	                });
  	
  	            // Setup Scales
  	            // remap and flatten the data for use in calculating the scales' domains
  	            var seriesData = (xDomain && yDomain) ? [] : // if we know xDomain and yDomain, no need to calculate
  	                data.map(function(d) {
  	                    return d.values.map(function(d,i) {
  	                        return { x: getX(d,i), y: getY(d,i), y0: d.y0, y1: d.y1 }
  	                    })
  	                });
  	
  	            x.domain(xDomain || d3.merge(seriesData).map(function(d) { return d.x }))
  	                .rangeBands(xRange || [0, availableHeight], groupSpacing);
  	
  	            y.domain(yDomain || d3.extent(d3.merge(seriesData).map(function(d) { return stacked ? (d.y > 0 ? d.y1 + d.y : d.y1 ) : d.y }).concat(forceY)))
  	
  	            if (showValues && !stacked)
  	                y.range(yRange || [(y.domain()[0] < 0 ? valuePadding : 0), availableWidth - (y.domain()[1] > 0 ? valuePadding : 0) ]);
  	            else
  	                y.range(yRange || [0, availableWidth]);
  	
  	            x0 = x0 || x;
  	            y0 = y0 || d3.scale.linear().domain(y.domain()).range([y(0),y(0)]);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = d3.select(this).selectAll('g.nv-wrap.nv-multibarHorizontal').data([data]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-multibarHorizontal');
  	            var defsEnter = wrapEnter.append('defs');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-groups');
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            var groups = wrap.select('.nv-groups').selectAll('.nv-group')
  	                .data(function(d) { return d }, function(d,i) { return i });
  	            groups.enter().append('g')
  	                .style('stroke-opacity', 1e-6)
  	                .style('fill-opacity', 1e-6);
  	            groups.exit().watchTransition(renderWatch, 'multibarhorizontal: exit groups')
  	                .style('stroke-opacity', 1e-6)
  	                .style('fill-opacity', 1e-6)
  	                .remove();
  	            groups
  	                .attr('class', function(d,i) { return 'nv-group nv-series-' + i })
  	                .classed('hover', function(d) { return d.hover })
  	                .style('fill', function(d,i){ return color(d, i) })
  	                .style('stroke', function(d,i){ return color(d, i) });
  	            groups.watchTransition(renderWatch, 'multibarhorizontal: groups')
  	                .style('stroke-opacity', 1)
  	                .style('fill-opacity', fillOpacity);
  	
  	            var bars = groups.selectAll('g.nv-bar')
  	                .data(function(d) { return d.values });
  	            bars.exit().remove();
  	
  	            var barsEnter = bars.enter().append('g')
  	                .attr('transform', function(d,i,j) {
  	                    return 'translate(' + y0(stacked ? d.y0 : 0) + ',' + (stacked ? 0 : (j * x.rangeBand() / data.length ) + x(getX(d,i))) + ')'
  	                });
  	
  	            barsEnter.append('rect')
  	                .attr('width', 0)
  	                .attr('height', x.rangeBand() / (stacked ? 1 : data.length) )
  	
  	            bars
  	                .on('mouseover', function(d,i) { //TODO: figure out why j works above, but not here
  	                    d3.select(this).classed('hover', true);
  	                    dispatch.elementMouseover({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                })
  	                .on('mouseout', function(d,i) {
  	                    d3.select(this).classed('hover', false);
  	                    dispatch.elementMouseout({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                })
  	                .on('mouseout', function(d,i) {
  	                    dispatch.elementMouseout({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                })
  	                .on('mousemove', function(d,i) {
  	                    dispatch.elementMousemove({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                })
  	                .on('click', function(d,i) {
  	                    var element = this;
  	                    dispatch.elementClick({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill"),
  	                        event: d3.event,
  	                        element: element
  	                    });
  	                    d3.event.stopPropagation();
  	                })
  	                .on('dblclick', function(d,i) {
  	                    dispatch.elementDblClick({
  	                        data: d,
  	                        index: i,
  	                        color: d3.select(this).style("fill")
  	                    });
  	                    d3.event.stopPropagation();
  	                });
  	
  	            if (getYerr(data[0],0)) {
  	                barsEnter.append('polyline');
  	
  	                bars.select('polyline')
  	                    .attr('fill', 'none')
  	                    .attr('points', function(d,i) {
  	                        var xerr = getYerr(d,i)
  	                            , mid = 0.8 * x.rangeBand() / ((stacked ? 1 : data.length) * 2);
  	                        xerr = xerr.length ? xerr : [-Math.abs(xerr), Math.abs(xerr)];
  	                        xerr = xerr.map(function(e) { return y(e) - y(0); });
  	                        var a = [[xerr[0],-mid], [xerr[0],mid], [xerr[0],0], [xerr[1],0], [xerr[1],-mid], [xerr[1],mid]];
  	                        return a.map(function (path) { return path.join(',') }).join(' ');
  	                    })
  	                    .attr('transform', function(d,i) {
  	                        var mid = x.rangeBand() / ((stacked ? 1 : data.length) * 2);
  	                        return 'translate(' + (getY(d,i) < 0 ? 0 : y(getY(d,i)) - y(0)) + ', ' + mid + ')'
  	                    });
  	            }
  	
  	            barsEnter.append('text');
  	
  	            if (showValues && !stacked) {
  	                bars.select('text')
  	                    .attr('text-anchor', function(d,i) { return getY(d,i) < 0 ? 'end' : 'start' })
  	                    .attr('y', x.rangeBand() / (data.length * 2))
  	                    .attr('dy', '.32em')
  	                    .text(function(d,i) {
  	                        var t = valueFormat(getY(d,i))
  	                            , yerr = getYerr(d,i);
  	                        if (yerr === undefined)
  	                            return t;
  	                        if (!yerr.length)
  	                            return t + '±' + valueFormat(Math.abs(yerr));
  	                        return t + '+' + valueFormat(Math.abs(yerr[1])) + '-' + valueFormat(Math.abs(yerr[0]));
  	                    });
  	                bars.watchTransition(renderWatch, 'multibarhorizontal: bars')
  	                    .select('text')
  	                    .attr('x', function(d,i) { return getY(d,i) < 0 ? -4 : y(getY(d,i)) - y(0) + 4 })
  	            } else {
  	                bars.selectAll('text').text('');
  	            }
  	
  	            if (showBarLabels && !stacked) {
  	                barsEnter.append('text').classed('nv-bar-label',true);
  	                bars.select('text.nv-bar-label')
  	                    .attr('text-anchor', function(d,i) { return getY(d,i) < 0 ? 'start' : 'end' })
  	                    .attr('y', x.rangeBand() / (data.length * 2))
  	                    .attr('dy', '.32em')
  	                    .text(function(d,i) { return getX(d,i) });
  	                bars.watchTransition(renderWatch, 'multibarhorizontal: bars')
  	                    .select('text.nv-bar-label')
  	                    .attr('x', function(d,i) { return getY(d,i) < 0 ? y(0) - y(getY(d,i)) + 4 : -4 });
  	            }
  	            else {
  	                bars.selectAll('text.nv-bar-label').text('');
  	            }
  	
  	            bars
  	                .attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive'})
  	
  	            if (barColor) {
  	                if (!disabled) disabled = data.map(function() { return true });
  	                bars
  	                    .style('fill', function(d,i,j) { return d3.rgb(barColor(d,i)).darker(  disabled.map(function(d,i) { return i }).filter(function(d,i){ return !disabled[i]  })[j]   ).toString(); })
  	                    .style('stroke', function(d,i,j) { return d3.rgb(barColor(d,i)).darker(  disabled.map(function(d,i) { return i }).filter(function(d,i){ return !disabled[i]  })[j]   ).toString(); });
  	            }
  	
  	            if (stacked)
  	                bars.watchTransition(renderWatch, 'multibarhorizontal: bars')
  	                    .attr('transform', function(d,i) {
  	                        return 'translate(' + y(d.y1) + ',' + x(getX(d,i)) + ')'
  	                    })
  	                    .select('rect')
  	                    .attr('width', function(d,i) {
  	                        return Math.abs(y(getY(d,i) + d.y0) - y(d.y0)) || 0
  	                    })
  	                    .attr('height', x.rangeBand() );
  	            else
  	                bars.watchTransition(renderWatch, 'multibarhorizontal: bars')
  	                    .attr('transform', function(d,i) {
  	                        //TODO: stacked must be all positive or all negative, not both?
  	                        return 'translate(' +
  	                            (getY(d,i) < 0 ? y(getY(d,i)) : y(0))
  	                            + ',' +
  	                            (d.series * x.rangeBand() / data.length
  	                                +
  	                                x(getX(d,i)) )
  	                            + ')'
  	                    })
  	                    .select('rect')
  	                    .attr('height', x.rangeBand() / data.length )
  	                    .attr('width', function(d,i) {
  	                        return Math.max(Math.abs(y(getY(d,i)) - y(0)),1) || 0
  	                    });
  	
  	            //store old scales for use in transitions on update
  	            x0 = x.copy();
  	            y0 = y.copy();
  	
  	        });
  	
  	        renderWatch.renderEnd('multibarHorizontal immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:   {get: function(){return width;}, set: function(_){width=_;}},
  	        height:  {get: function(){return height;}, set: function(_){height=_;}},
  	        x:       {get: function(){return getX;}, set: function(_){getX=_;}},
  	        y:       {get: function(){return getY;}, set: function(_){getY=_;}},
  	        yErr:       {get: function(){return getYerr;}, set: function(_){getYerr=_;}},
  	        xScale:  {get: function(){return x;}, set: function(_){x=_;}},
  	        yScale:  {get: function(){return y;}, set: function(_){y=_;}},
  	        xDomain: {get: function(){return xDomain;}, set: function(_){xDomain=_;}},
  	        yDomain: {get: function(){return yDomain;}, set: function(_){yDomain=_;}},
  	        xRange:  {get: function(){return xRange;}, set: function(_){xRange=_;}},
  	        yRange:  {get: function(){return yRange;}, set: function(_){yRange=_;}},
  	        forceY:  {get: function(){return forceY;}, set: function(_){forceY=_;}},
  	        stacked: {get: function(){return stacked;}, set: function(_){stacked=_;}},
  	        showValues: {get: function(){return showValues;}, set: function(_){showValues=_;}},
  	        // this shows the group name, seems pointless?
  	        //showBarLabels:    {get: function(){return showBarLabels;}, set: function(_){showBarLabels=_;}},
  	        disabled:     {get: function(){return disabled;}, set: function(_){disabled=_;}},
  	        id:           {get: function(){return id;}, set: function(_){id=_;}},
  	        valueFormat:  {get: function(){return valueFormat;}, set: function(_){valueFormat=_;}},
  	        valuePadding: {get: function(){return valuePadding;}, set: function(_){valuePadding=_;}},
  	        groupSpacing: {get: function(){return groupSpacing;}, set: function(_){groupSpacing=_;}},
  	        fillOpacity:  {get: function(){return fillOpacity;}, set: function(_){fillOpacity=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }},
  	        barColor:  {get: function(){return barColor;}, set: function(_){
  	            barColor = _ ? nv.utils.getColor(_) : null;
  	        }}
  	    });
  	
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	
  	nv.models.multiBarHorizontalChart = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var multibar = nv.models.multiBarHorizontal()
  	        , xAxis = nv.models.axis()
  	        , yAxis = nv.models.axis()
  	        , legend = nv.models.legend().height(30)
  	        , controls = nv.models.legend().height(30)
  	        , tooltip = nv.models.tooltip()
  	        ;
  	
  	    var margin = {top: 30, right: 20, bottom: 50, left: 60}
  	        , width = null
  	        , height = null
  	        , color = nv.utils.defaultColor()
  	        , showControls = true
  	        , controlLabels = {}
  	        , showLegend = true
  	        , showXAxis = true
  	        , showYAxis = true
  	        , stacked = false
  	        , x //can be accessed via chart.xScale()
  	        , y //can be accessed via chart.yScale()
  	        , state = nv.utils.state()
  	        , defaultState = null
  	        , noData = null
  	        , dispatch = d3.dispatch('stateChange', 'changeState','renderEnd')
  	        , controlWidth = function() { return showControls ? 180 : 0 }
  	        , duration = 250
  	        ;
  	
  	    state.stacked = false; // DEPRECATED Maintained for backward compatibility
  	
  	    multibar.stacked(stacked);
  	
  	    xAxis
  	        .orient('left')
  	        .tickPadding(5)
  	        .showMaxMin(false)
  	        .tickFormat(function(d) { return d })
  	    ;
  	    yAxis
  	        .orient('bottom')
  	        .tickFormat(d3.format(',.1f'))
  	    ;
  	
  	    tooltip
  	        .duration(0)
  	        .valueFormatter(function(d, i) {
  	            return yAxis.tickFormat()(d, i);
  	        })
  	        .headerFormatter(function(d, i) {
  	            return xAxis.tickFormat()(d, i);
  	        });
  	
  	    controls.updateState(false);
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var stateGetter = function(data) {
  	        return function(){
  	            return {
  	                active: data.map(function(d) { return !d.disabled }),
  	                stacked: stacked
  	            };
  	        }
  	    };
  	
  	    var stateSetter = function(data) {
  	        return function(state) {
  	            if (state.stacked !== undefined)
  	                stacked = state.stacked;
  	            if (state.active !== undefined)
  	                data.forEach(function(series,i) {
  	                    series.disabled = !state.active[i];
  	                });
  	        }
  	    };
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch, duration);
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        renderWatch.models(multibar);
  	        if (showXAxis) renderWatch.models(xAxis);
  	        if (showYAxis) renderWatch.models(yAxis);
  	
  	        selection.each(function(data) {
  	            var container = d3.select(this),
  	                that = this;
  	            nv.utils.initSVG(container);
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	            chart.update = function() { container.transition().duration(duration).call(chart) };
  	            chart.container = this;
  	
  	            stacked = multibar.stacked();
  	
  	            state
  	                .setter(stateSetter(data), chart.update)
  	                .getter(stateGetter(data))
  	                .update();
  	
  	            // DEPRECATED set state.disableddisabled
  	            state.disabled = data.map(function(d) { return !!d.disabled });
  	
  	            if (!defaultState) {
  	                var key;
  	                defaultState = {};
  	                for (key in state) {
  	                    if (state[key] instanceof Array)
  	                        defaultState[key] = state[key].slice(0);
  	                    else
  	                        defaultState[key] = state[key];
  	                }
  	            }
  	
  	            // Display No Data message if there's nothing to show.
  	            if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
  	                nv.utils.noData(chart, container)
  	                return chart;
  	            } else {
  	                container.selectAll('.nv-noData').remove();
  	            }
  	
  	            // Setup Scales
  	            x = multibar.xScale();
  	            y = multibar.yScale().clamp(true);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-multiBarHorizontalChart').data([data]);
  	            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-multiBarHorizontalChart').append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-x nv-axis');
  	            gEnter.append('g').attr('class', 'nv-y nv-axis')
  	                .append('g').attr('class', 'nv-zeroLine')
  	                .append('line');
  	            gEnter.append('g').attr('class', 'nv-barsWrap');
  	            gEnter.append('g').attr('class', 'nv-legendWrap');
  	            gEnter.append('g').attr('class', 'nv-controlsWrap');
  	
  	            // Legend
  	            if (!showLegend) {
  	                g.select('.nv-legendWrap').selectAll('*').remove();
  	            } else {
  	                legend.width(availableWidth - controlWidth());
  	
  	                g.select('.nv-legendWrap')
  	                    .datum(data)
  	                    .call(legend);
  	
  	                if (legend.height() > margin.top) {
  	                    margin.top = legend.height();
  	                    availableHeight = nv.utils.availableHeight(height, container, margin);
  	                }
  	
  	                g.select('.nv-legendWrap')
  	                    .attr('transform', 'translate(' + controlWidth() + ',' + (-margin.top) +')');
  	            }
  	
  	            // Controls
  	            if (!showControls) {
  	                 g.select('.nv-controlsWrap').selectAll('*').remove();
  	            } else {
  	                var controlsData = [
  	                    { key: controlLabels.grouped || 'Grouped', disabled: multibar.stacked() },
  	                    { key: controlLabels.stacked || 'Stacked', disabled: !multibar.stacked() }
  	                ];
  	
  	                controls.width(controlWidth()).color(['#444', '#444', '#444']);
  	                g.select('.nv-controlsWrap')
  	                    .datum(controlsData)
  	                    .attr('transform', 'translate(0,' + (-margin.top) +')')
  	                    .call(controls);
  	            }
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            // Main Chart Component(s)
  	            multibar
  	                .disabled(data.map(function(series) { return series.disabled }))
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .color(data.map(function(d,i) {
  	                    return d.color || color(d, i);
  	                }).filter(function(d,i) { return !data[i].disabled }));
  	
  	            var barsWrap = g.select('.nv-barsWrap')
  	                .datum(data.filter(function(d) { return !d.disabled }));
  	
  	            barsWrap.transition().call(multibar);
  	
  	            // Setup Axes
  	            if (showXAxis) {
  	                xAxis
  	                    .scale(x)
  	                    ._ticks( nv.utils.calcTicksY(availableHeight/24, data) )
  	                    .tickSize(-availableWidth, 0);
  	
  	                g.select('.nv-x.nv-axis').call(xAxis);
  	
  	                var xTicks = g.select('.nv-x.nv-axis').selectAll('g');
  	
  	                xTicks
  	                    .selectAll('line, text');
  	            }
  	
  	            if (showYAxis) {
  	                yAxis
  	                    .scale(y)
  	                    ._ticks( nv.utils.calcTicksX(availableWidth/100, data) )
  	                    .tickSize( -availableHeight, 0);
  	
  	                g.select('.nv-y.nv-axis')
  	                    .attr('transform', 'translate(0,' + availableHeight + ')');
  	                g.select('.nv-y.nv-axis').call(yAxis);
  	            }
  	
  	            // Zero line
  	            g.select(".nv-zeroLine line")
  	                .attr("x1", y(0))
  	                .attr("x2", y(0))
  	                .attr("y1", 0)
  	                .attr("y2", -availableHeight)
  	            ;
  	
  	            //============================================================
  	            // Event Handling/Dispatching (in chart's scope)
  	            //------------------------------------------------------------
  	
  	            legend.dispatch.on('stateChange', function(newState) {
  	                for (var key in newState)
  	                    state[key] = newState[key];
  	                dispatch.stateChange(state);
  	                chart.update();
  	            });
  	
  	            controls.dispatch.on('legendClick', function(d,i) {
  	                if (!d.disabled) return;
  	                controlsData = controlsData.map(function(s) {
  	                    s.disabled = true;
  	                    return s;
  	                });
  	                d.disabled = false;
  	
  	                switch (d.key) {
  	                    case 'Grouped':
  	                    case controlLabels.grouped:
  	                        multibar.stacked(false);
  	                        break;
  	                    case 'Stacked':
  	                    case controlLabels.stacked:
  	                        multibar.stacked(true);
  	                        break;
  	                }
  	
  	                state.stacked = multibar.stacked();
  	                dispatch.stateChange(state);
  	                stacked = multibar.stacked();
  	
  	                chart.update();
  	            });
  	
  	            // Update chart from a state object passed to event handler
  	            dispatch.on('changeState', function(e) {
  	
  	                if (typeof e.disabled !== 'undefined') {
  	                    data.forEach(function(series,i) {
  	                        series.disabled = e.disabled[i];
  	                    });
  	
  	                    state.disabled = e.disabled;
  	                }
  	
  	                if (typeof e.stacked !== 'undefined') {
  	                    multibar.stacked(e.stacked);
  	                    state.stacked = e.stacked;
  	                    stacked = e.stacked;
  	                }
  	
  	                chart.update();
  	            });
  	        });
  	        renderWatch.renderEnd('multibar horizontal chart immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Event Handling/Dispatching (out of chart's scope)
  	    //------------------------------------------------------------
  	
  	    multibar.dispatch.on('elementMouseover.tooltip', function(evt) {
  	        evt.value = chart.x()(evt.data);
  	        evt['series'] = {
  	            key: evt.data.key,
  	            value: chart.y()(evt.data),
  	            color: evt.color
  	        };
  	        tooltip.data(evt).hidden(false);
  	    });
  	
  	    multibar.dispatch.on('elementMouseout.tooltip', function(evt) {
  	        tooltip.hidden(true);
  	    });
  	
  	    multibar.dispatch.on('elementMousemove.tooltip', function(evt) {
  	        tooltip();
  	    });
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    // expose chart's sub-components
  	    chart.dispatch = dispatch;
  	    chart.multibar = multibar;
  	    chart.legend = legend;
  	    chart.controls = controls;
  	    chart.xAxis = xAxis;
  	    chart.yAxis = yAxis;
  	    chart.state = state;
  	    chart.tooltip = tooltip;
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  	        showLegend: {get: function(){return showLegend;}, set: function(_){showLegend=_;}},
  	        showControls: {get: function(){return showControls;}, set: function(_){showControls=_;}},
  	        controlLabels: {get: function(){return controlLabels;}, set: function(_){controlLabels=_;}},
  	        showXAxis:      {get: function(){return showXAxis;}, set: function(_){showXAxis=_;}},
  	        showYAxis:    {get: function(){return showYAxis;}, set: function(_){showYAxis=_;}},
  	        defaultState:    {get: function(){return defaultState;}, set: function(_){defaultState=_;}},
  	        noData:    {get: function(){return noData;}, set: function(_){noData=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	            multibar.duration(duration);
  	            xAxis.duration(duration);
  	            yAxis.duration(duration);
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	            legend.color(color);
  	        }},
  	        barColor:  {get: function(){return multibar.barColor;}, set: function(_){
  	            multibar.barColor(_);
  	            legend.color(function(d,i) {return d3.rgb('#ccc').darker(i * 1.5).toString();})
  	        }}
  	    });
  	
  	    nv.utils.inheritOptions(chart, multibar);
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	nv.models.multiChart = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 30, right: 20, bottom: 50, left: 60},
  	        color = nv.utils.defaultColor(),
  	        width = null,
  	        height = null,
  	        showLegend = true,
  	        noData = null,
  	        yDomain1,
  	        yDomain2,
  	        getX = function(d) { return d.x },
  	        getY = function(d) { return d.y},
  	        interpolate = 'linear',
  	        useVoronoi = true,
  	        interactiveLayer = nv.interactiveGuideline(),
  	        useInteractiveGuideline = false,
  	        legendRightAxisHint = ' (right axis)'
  	        ;
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var x = d3.scale.linear(),
  	        yScale1 = d3.scale.linear(),
  	        yScale2 = d3.scale.linear(),
  	
  	        lines1 = nv.models.line().yScale(yScale1),
  	        lines2 = nv.models.line().yScale(yScale2),
  	
  	        scatters1 = nv.models.scatter().yScale(yScale1),
  	        scatters2 = nv.models.scatter().yScale(yScale2),
  	
  	        bars1 = nv.models.multiBar().stacked(false).yScale(yScale1),
  	        bars2 = nv.models.multiBar().stacked(false).yScale(yScale2),
  	
  	        stack1 = nv.models.stackedArea().yScale(yScale1),
  	        stack2 = nv.models.stackedArea().yScale(yScale2),
  	
  	        xAxis = nv.models.axis().scale(x).orient('bottom').tickPadding(5),
  	        yAxis1 = nv.models.axis().scale(yScale1).orient('left'),
  	        yAxis2 = nv.models.axis().scale(yScale2).orient('right'),
  	
  	        legend = nv.models.legend().height(30),
  	        tooltip = nv.models.tooltip(),
  	        dispatch = d3.dispatch();
  	
  	    var charts = [lines1, lines2, scatters1, scatters2, bars1, bars2, stack1, stack2];
  	
  	    function chart(selection) {
  	        selection.each(function(data) {
  	            var container = d3.select(this),
  	                that = this;
  	            nv.utils.initSVG(container);
  	
  	            chart.update = function() { container.transition().call(chart); };
  	            chart.container = this;
  	
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	            var dataLines1 = data.filter(function(d) {return d.type == 'line' && d.yAxis == 1});
  	            var dataLines2 = data.filter(function(d) {return d.type == 'line' && d.yAxis == 2});
  	            var dataScatters1 = data.filter(function(d) {return d.type == 'scatter' && d.yAxis == 1});
  	            var dataScatters2 = data.filter(function(d) {return d.type == 'scatter' && d.yAxis == 2});
  	            var dataBars1 =  data.filter(function(d) {return d.type == 'bar'  && d.yAxis == 1});
  	            var dataBars2 =  data.filter(function(d) {return d.type == 'bar'  && d.yAxis == 2});
  	            var dataStack1 = data.filter(function(d) {return d.type == 'area' && d.yAxis == 1});
  	            var dataStack2 = data.filter(function(d) {return d.type == 'area' && d.yAxis == 2});
  	
  	            // Display noData message if there's nothing to show.
  	            if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
  	                nv.utils.noData(chart, container);
  	                return chart;
  	            } else {
  	                container.selectAll('.nv-noData').remove();
  	            }
  	
  	            var series1 = data.filter(function(d) {return !d.disabled && d.yAxis == 1})
  	                .map(function(d) {
  	                    return d.values.map(function(d,i) {
  	                        return { x: getX(d), y: getY(d) }
  	                    })
  	                });
  	
  	            var series2 = data.filter(function(d) {return !d.disabled && d.yAxis == 2})
  	                .map(function(d) {
  	                    return d.values.map(function(d,i) {
  	                        return { x: getX(d), y: getY(d) }
  	                    })
  	                });
  	
  	            x   .domain(d3.extent(d3.merge(series1.concat(series2)), function(d) { return d.x }))
  	                .range([0, availableWidth]);
  	
  	            var wrap = container.selectAll('g.wrap.multiChart').data([data]);
  	            var gEnter = wrap.enter().append('g').attr('class', 'wrap nvd3 multiChart').append('g');
  	
  	            gEnter.append('g').attr('class', 'nv-x nv-axis');
  	            gEnter.append('g').attr('class', 'nv-y1 nv-axis');
  	            gEnter.append('g').attr('class', 'nv-y2 nv-axis');
  	            gEnter.append('g').attr('class', 'stack1Wrap');
  	            gEnter.append('g').attr('class', 'stack2Wrap');
  	            gEnter.append('g').attr('class', 'bars1Wrap');
  	            gEnter.append('g').attr('class', 'bars2Wrap');
  	            gEnter.append('g').attr('class', 'scatters1Wrap');
  	            gEnter.append('g').attr('class', 'scatters2Wrap');
  	            gEnter.append('g').attr('class', 'lines1Wrap');
  	            gEnter.append('g').attr('class', 'lines2Wrap');
  	            gEnter.append('g').attr('class', 'legendWrap');
  	            gEnter.append('g').attr('class', 'nv-interactive');
  	
  	            var g = wrap.select('g');
  	
  	            var color_array = data.map(function(d,i) {
  	                return data[i].color || color(d, i);
  	            });
  	
  	            // Legend
  	            if (!showLegend) {
  	                g.select('.legendWrap').selectAll('*').remove();
  	            } else {
  	                var legendWidth = legend.align() ? availableWidth / 2 : availableWidth;
  	                var legendXPosition = legend.align() ? legendWidth : 0;
  	
  	                legend.width(legendWidth);
  	                legend.color(color_array);
  	
  	                g.select('.legendWrap')
  	                    .datum(data.map(function(series) {
  	                        series.originalKey = series.originalKey === undefined ? series.key : series.originalKey;
  	                        series.key = series.originalKey + (series.yAxis == 1 ? '' : legendRightAxisHint);
  	                        return series;
  	                    }))
  	                    .call(legend);
  	
  	                if (legend.height() > margin.top) {
  	                    margin.top = legend.height();
  	                    availableHeight = nv.utils.availableHeight(height, container, margin);
  	                }
  	
  	                g.select('.legendWrap')
  	                    .attr('transform', 'translate(' + legendXPosition + ',' + (-margin.top) +')');
  	            }
  	
  	            lines1
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .interpolate(interpolate)
  	                .color(color_array.filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 1 && data[i].type == 'line'}));
  	            lines2
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .interpolate(interpolate)
  	                .color(color_array.filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 2 && data[i].type == 'line'}));
  	            scatters1
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .color(color_array.filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 1 && data[i].type == 'scatter'}));
  	            scatters2
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .color(color_array.filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 2 && data[i].type == 'scatter'}));
  	            bars1
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .color(color_array.filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 1 && data[i].type == 'bar'}));
  	            bars2
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .color(color_array.filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 2 && data[i].type == 'bar'}));
  	            stack1
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .interpolate(interpolate)
  	                .color(color_array.filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 1 && data[i].type == 'area'}));
  	            stack2
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .interpolate(interpolate)
  	                .color(color_array.filter(function(d,i) { return !data[i].disabled && data[i].yAxis == 2 && data[i].type == 'area'}));
  	
  	            g.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            var lines1Wrap = g.select('.lines1Wrap')
  	                .datum(dataLines1.filter(function(d){return !d.disabled}));
  	            var scatters1Wrap = g.select('.scatters1Wrap')
  	                .datum(dataScatters1.filter(function(d){return !d.disabled}));
  	            var bars1Wrap = g.select('.bars1Wrap')
  	                .datum(dataBars1.filter(function(d){return !d.disabled}));
  	            var stack1Wrap = g.select('.stack1Wrap')
  	                .datum(dataStack1.filter(function(d){return !d.disabled}));
  	            var lines2Wrap = g.select('.lines2Wrap')
  	                .datum(dataLines2.filter(function(d){return !d.disabled}));
  	            var scatters2Wrap = g.select('.scatters2Wrap')
  	                .datum(dataScatters2.filter(function(d){return !d.disabled}));
  	            var bars2Wrap = g.select('.bars2Wrap')
  	                .datum(dataBars2.filter(function(d){return !d.disabled}));
  	            var stack2Wrap = g.select('.stack2Wrap')
  	                .datum(dataStack2.filter(function(d){return !d.disabled}));
  	
  	            var extraValue1 = dataStack1.length ? dataStack1.map(function(a){return a.values}).reduce(function(a,b){
  	                return a.map(function(aVal,i){return {x: aVal.x, y: aVal.y + b[i].y}})
  	            }).concat([{x:0, y:0}]) : [];
  	            var extraValue2 = dataStack2.length ? dataStack2.map(function(a){return a.values}).reduce(function(a,b){
  	                return a.map(function(aVal,i){return {x: aVal.x, y: aVal.y + b[i].y}})
  	            }).concat([{x:0, y:0}]) : [];
  	
  	            yScale1 .domain(yDomain1 || d3.extent(d3.merge(series1).concat(extraValue1), function(d) { return d.y } ))
  	                .range([0, availableHeight]);
  	
  	            yScale2 .domain(yDomain2 || d3.extent(d3.merge(series2).concat(extraValue2), function(d) { return d.y } ))
  	                .range([0, availableHeight]);
  	
  	            lines1.yDomain(yScale1.domain());
  	            scatters1.yDomain(yScale1.domain());
  	            bars1.yDomain(yScale1.domain());
  	            stack1.yDomain(yScale1.domain());
  	
  	            lines2.yDomain(yScale2.domain());
  	            scatters2.yDomain(yScale2.domain());
  	            bars2.yDomain(yScale2.domain());
  	            stack2.yDomain(yScale2.domain());
  	
  	            if(dataStack1.length){d3.transition(stack1Wrap).call(stack1);}
  	            if(dataStack2.length){d3.transition(stack2Wrap).call(stack2);}
  	
  	            if(dataBars1.length){d3.transition(bars1Wrap).call(bars1);}
  	            if(dataBars2.length){d3.transition(bars2Wrap).call(bars2);}
  	
  	            if(dataLines1.length){d3.transition(lines1Wrap).call(lines1);}
  	            if(dataLines2.length){d3.transition(lines2Wrap).call(lines2);}
  	
  	            if(dataScatters1.length){d3.transition(scatters1Wrap).call(scatters1);}
  	            if(dataScatters2.length){d3.transition(scatters2Wrap).call(scatters2);}
  	
  	            xAxis
  	                ._ticks( nv.utils.calcTicksX(availableWidth/100, data) )
  	                .tickSize(-availableHeight, 0);
  	
  	            g.select('.nv-x.nv-axis')
  	                .attr('transform', 'translate(0,' + availableHeight + ')');
  	            d3.transition(g.select('.nv-x.nv-axis'))
  	                .call(xAxis);
  	
  	            yAxis1
  	                ._ticks( nv.utils.calcTicksY(availableHeight/36, data) )
  	                .tickSize( -availableWidth, 0);
  	
  	
  	            d3.transition(g.select('.nv-y1.nv-axis'))
  	                .call(yAxis1);
  	
  	            yAxis2
  	                ._ticks( nv.utils.calcTicksY(availableHeight/36, data) )
  	                .tickSize( -availableWidth, 0);
  	
  	            d3.transition(g.select('.nv-y2.nv-axis'))
  	                .call(yAxis2);
  	
  	            g.select('.nv-y1.nv-axis')
  	                .classed('nv-disabled', series1.length ? false : true)
  	                .attr('transform', 'translate(' + x.range()[0] + ',0)');
  	
  	            g.select('.nv-y2.nv-axis')
  	                .classed('nv-disabled', series2.length ? false : true)
  	                .attr('transform', 'translate(' + x.range()[1] + ',0)');
  	
  	            legend.dispatch.on('stateChange', function(newState) {
  	                chart.update();
  	            });
  	
  	            if(useInteractiveGuideline){
  	                interactiveLayer
  	                    .width(availableWidth)
  	                    .height(availableHeight)
  	                    .margin({left:margin.left, top:margin.top})
  	                    .svgContainer(container)
  	                    .xScale(x);
  	                wrap.select(".nv-interactive").call(interactiveLayer);
  	            }
  	
  	            //============================================================
  	            // Event Handling/Dispatching
  	            //------------------------------------------------------------
  	
  	            function mouseover_line(evt) {
  	                var yaxis = data[evt.seriesIndex].yAxis === 2 ? yAxis2 : yAxis1;
  	                evt.value = evt.point.x;
  	                evt.series = {
  	                    value: evt.point.y,
  	                    color: evt.point.color,
  	                    key: evt.series.key
  	                };
  	                tooltip
  	                    .duration(0)
  	                    .headerFormatter(function(d, i) {
  	                    	return xAxis.tickFormat()(d, i);
  	                    })
  	                    .valueFormatter(function(d, i) {
  	                        return yaxis.tickFormat()(d, i);
  	                    })
  	                    .data(evt)
  	                    .hidden(false);
  	            }
  	
  	            function mouseover_scatter(evt) {
  	                var yaxis = data[evt.seriesIndex].yAxis === 2 ? yAxis2 : yAxis1;
  	                evt.value = evt.point.x;
  	                evt.series = {
  	                    value: evt.point.y,
  	                    color: evt.point.color,
  	                    key: evt.series.key
  	                };
  	                tooltip
  	                    .duration(100)
  	                    .headerFormatter(function(d, i) {
  	                    	return xAxis.tickFormat()(d, i);
  	                    })
  	                    .valueFormatter(function(d, i) {
  	                        return yaxis.tickFormat()(d, i);
  	                    })
  	                    .data(evt)
  	                    .hidden(false);
  	            }
  	
  	            function mouseover_stack(evt) {
  	                var yaxis = data[evt.seriesIndex].yAxis === 2 ? yAxis2 : yAxis1;
  	                evt.point['x'] = stack1.x()(evt.point);
  	                evt.point['y'] = stack1.y()(evt.point);
  	                tooltip
  	                    .duration(0)
  	                    .headerFormatter(function(d, i) {
  	                    	return xAxis.tickFormat()(d, i);
  	                    })
  	                    .valueFormatter(function(d, i) {
  	                        return yaxis.tickFormat()(d, i);
  	                    })
  	                    .data(evt)
  	                    .hidden(false);
  	            }
  	
  	            function mouseover_bar(evt) {
  	                var yaxis = data[evt.data.series].yAxis === 2 ? yAxis2 : yAxis1;
  	
  	                evt.value = bars1.x()(evt.data);
  	                evt['series'] = {
  	                    value: bars1.y()(evt.data),
  	                    color: evt.color,
  	                    key: evt.data.key
  	                };
  	                tooltip
  	                    .duration(0)
  	                    .headerFormatter(function(d, i) {
  	                    	return xAxis.tickFormat()(d, i);
  	                    })
  	                    .valueFormatter(function(d, i) {
  	                        return yaxis.tickFormat()(d, i);
  	                    })
  	                    .data(evt)
  	                    .hidden(false);
  	            }
  	
  	
  	
  	            function clearHighlights() {
  	              for(var i=0, il=charts.length; i < il; i++){
  	                var chart = charts[i];
  	                try {
  	                  chart.clearHighlights();
  	                } catch(e){}
  	              }
  	            }
  	
  	            function highlightPoint(serieIndex, pointIndex, b){
  	              for(var i=0, il=charts.length; i < il; i++){
  	                var chart = charts[i];
  	                try {
  	                  chart.highlightPoint(serieIndex, pointIndex, b);
  	                } catch(e){}
  	              }
  	            }
  	
  	            if(useInteractiveGuideline){
  	                interactiveLayer.dispatch.on('elementMousemove', function(e) {
  	                    clearHighlights();
  	                    var singlePoint, pointIndex, pointXLocation, allData = [];
  	                    data
  	                    .filter(function(series, i) {
  	                        series.seriesIndex = i;
  	                        return !series.disabled;
  	                    })
  	                    .forEach(function(series,i) {
  	                        var extent = x.domain();
  	                        var currentValues = series.values.filter(function(d,i) {
  	                            return chart.x()(d,i) >= extent[0] && chart.x()(d,i) <= extent[1];
  	                        });
  	
  	                        pointIndex = nv.interactiveBisect(currentValues, e.pointXValue, chart.x());
  	                        var point = currentValues[pointIndex];
  	                        var pointYValue = chart.y()(point, pointIndex);
  	                        if (pointYValue !== null) {
  	                            highlightPoint(i, pointIndex, true);
  	                        }
  	                        if (point === undefined) return;
  	                        if (singlePoint === undefined) singlePoint = point;
  	                        if (pointXLocation === undefined) pointXLocation = x(chart.x()(point,pointIndex));
  	                        allData.push({
  	                            key: series.key,
  	                            value: pointYValue,
  	                            color: color(series,series.seriesIndex),
  	                            data: point,
  	                            yAxis: series.yAxis == 2 ? yAxis2 : yAxis1
  	                        });
  	                    });
  	
  	                    var defaultValueFormatter = function(d,i) {
  	                        var yAxis = allData[i].yAxis;
  	                        return d == null ? "N/A" : yAxis.tickFormat()(d);
  	                    };
  	
  	                    interactiveLayer.tooltip
  	                        .headerFormatter(function(d, i) {
  	                            return xAxis.tickFormat()(d, i);
  	                        })
  	                        .valueFormatter(interactiveLayer.tooltip.valueFormatter() || defaultValueFormatter)
  	                        .data({
  	                            value: chart.x()( singlePoint,pointIndex ),
  	                            index: pointIndex,
  	                            series: allData
  	                        })();
  	
  	                    interactiveLayer.renderGuideLine(pointXLocation);
  	                });
  	
  	                interactiveLayer.dispatch.on("elementMouseout",function(e) {
  	                    clearHighlights();
  	                });
  	            } else {
  	                lines1.dispatch.on('elementMouseover.tooltip', mouseover_line);
  	                lines2.dispatch.on('elementMouseover.tooltip', mouseover_line);
  	                lines1.dispatch.on('elementMouseout.tooltip', function(evt) {
  	                    tooltip.hidden(true)
  	                });
  	                lines2.dispatch.on('elementMouseout.tooltip', function(evt) {
  	                    tooltip.hidden(true)
  	                });
  	
  	                scatters1.dispatch.on('elementMouseover.tooltip', mouseover_scatter);
  	                scatters2.dispatch.on('elementMouseover.tooltip', mouseover_scatter);
  	                scatters1.dispatch.on('elementMouseout.tooltip', function(evt) {
  	                    tooltip.hidden(true)
  	                });
  	                scatters2.dispatch.on('elementMouseout.tooltip', function(evt) {
  	                    tooltip.hidden(true)
  	                });
  	
  	                stack1.dispatch.on('elementMouseover.tooltip', mouseover_stack);
  	                stack2.dispatch.on('elementMouseover.tooltip', mouseover_stack);
  	                stack1.dispatch.on('elementMouseout.tooltip', function(evt) {
  	                    tooltip.hidden(true)
  	                });
  	                stack2.dispatch.on('elementMouseout.tooltip', function(evt) {
  	                    tooltip.hidden(true)
  	                });
  	
  	                bars1.dispatch.on('elementMouseover.tooltip', mouseover_bar);
  	                bars2.dispatch.on('elementMouseover.tooltip', mouseover_bar);
  	
  	                bars1.dispatch.on('elementMouseout.tooltip', function(evt) {
  	                    tooltip.hidden(true);
  	                });
  	                bars2.dispatch.on('elementMouseout.tooltip', function(evt) {
  	                    tooltip.hidden(true);
  	                });
  	                bars1.dispatch.on('elementMousemove.tooltip', function(evt) {
  	                    tooltip();
  	                });
  	                bars2.dispatch.on('elementMousemove.tooltip', function(evt) {
  	                    tooltip();
  	                });
  	            }
  	        });
  	
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Global getters and setters
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.legend = legend;
  	    chart.lines1 = lines1;
  	    chart.lines2 = lines2;
  	    chart.scatters1 = scatters1;
  	    chart.scatters2 = scatters2;
  	    chart.bars1 = bars1;
  	    chart.bars2 = bars2;
  	    chart.stack1 = stack1;
  	    chart.stack2 = stack2;
  	    chart.xAxis = xAxis;
  	    chart.yAxis1 = yAxis1;
  	    chart.yAxis2 = yAxis2;
  	    chart.tooltip = tooltip;
  	    chart.interactiveLayer = interactiveLayer;
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  	        showLegend: {get: function(){return showLegend;}, set: function(_){showLegend=_;}},
  	        yDomain1:      {get: function(){return yDomain1;}, set: function(_){yDomain1=_;}},
  	        yDomain2:    {get: function(){return yDomain2;}, set: function(_){yDomain2=_;}},
  	        noData:    {get: function(){return noData;}, set: function(_){noData=_;}},
  	        interpolate:    {get: function(){return interpolate;}, set: function(_){interpolate=_;}},
  	        legendRightAxisHint:    {get: function(){return legendRightAxisHint;}, set: function(_){legendRightAxisHint=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }},
  	        x: {get: function(){return getX;}, set: function(_){
  	            getX = _;
  	            lines1.x(_);
  	            lines2.x(_);
  	            scatters1.x(_);
  	            scatters2.x(_);
  	            bars1.x(_);
  	            bars2.x(_);
  	            stack1.x(_);
  	            stack2.x(_);
  	        }},
  	        y: {get: function(){return getY;}, set: function(_){
  	            getY = _;
  	            lines1.y(_);
  	            lines2.y(_);
  	            scatters1.y(_);
  	            scatters2.y(_);
  	            stack1.y(_);
  	            stack2.y(_);
  	            bars1.y(_);
  	            bars2.y(_);
  	        }},
  	        useVoronoi: {get: function(){return useVoronoi;}, set: function(_){
  	            useVoronoi=_;
  	            lines1.useVoronoi(_);
  	            lines2.useVoronoi(_);
  	            stack1.useVoronoi(_);
  	            stack2.useVoronoi(_);
  	        }},
  	
  	        useInteractiveGuideline: {get: function(){return useInteractiveGuideline;}, set: function(_){
  	            useInteractiveGuideline = _;
  	            if (useInteractiveGuideline) {
  	                lines1.interactive(false);
  	                lines1.useVoronoi(false);
  	                lines2.interactive(false);
  	                lines2.useVoronoi(false);
  	                stack1.interactive(false);
  	                stack1.useVoronoi(false);
  	                stack2.interactive(false);
  	                stack2.useVoronoi(false);
  	                scatters1.interactive(false);
  	                scatters2.interactive(false);
  	            }
  	        }}
  	    });
  	
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	
  	nv.models.ohlcBar = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 0, right: 0, bottom: 0, left: 0}
  	        , width = null
  	        , height = null
  	        , id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
  	        , container = null
  	        , x = d3.scale.linear()
  	        , y = d3.scale.linear()
  	        , getX = function(d) { return d.x }
  	        , getY = function(d) { return d.y }
  	        , getOpen = function(d) { return d.open }
  	        , getClose = function(d) { return d.close }
  	        , getHigh = function(d) { return d.high }
  	        , getLow = function(d) { return d.low }
  	        , forceX = []
  	        , forceY = []
  	        , padData     = false // If true, adds half a data points width to front and back, for lining up a line chart with a bar chart
  	        , clipEdge = true
  	        , color = nv.utils.defaultColor()
  	        , interactive = false
  	        , xDomain
  	        , yDomain
  	        , xRange
  	        , yRange
  	        , dispatch = d3.dispatch('stateChange', 'changeState', 'renderEnd', 'chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout', 'elementMousemove')
  	        ;
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    function chart(selection) {
  	        selection.each(function(data) {
  	            container = d3.select(this);
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	            nv.utils.initSVG(container);
  	
  	            // ohlc bar width.
  	            var w = (availableWidth / data[0].values.length) * .9;
  	
  	            // Setup Scales
  	            x.domain(xDomain || d3.extent(data[0].values.map(getX).concat(forceX) ));
  	
  	            if (padData)
  	                x.range(xRange || [availableWidth * .5 / data[0].values.length, availableWidth * (data[0].values.length - .5)  / data[0].values.length ]);
  	            else
  	                x.range(xRange || [5 + w/2, availableWidth - w/2 - 5]);
  	
  	            y.domain(yDomain || [
  	                    d3.min(data[0].values.map(getLow).concat(forceY)),
  	                    d3.max(data[0].values.map(getHigh).concat(forceY))
  	                ]
  	            ).range(yRange || [availableHeight, 0]);
  	
  	            // If scale's domain don't have a range, slightly adjust to make one... so a chart can show a single data point
  	            if (x.domain()[0] === x.domain()[1])
  	                x.domain()[0] ?
  	                    x.domain([x.domain()[0] - x.domain()[0] * 0.01, x.domain()[1] + x.domain()[1] * 0.01])
  	                    : x.domain([-1,1]);
  	
  	            if (y.domain()[0] === y.domain()[1])
  	                y.domain()[0] ?
  	                    y.domain([y.domain()[0] + y.domain()[0] * 0.01, y.domain()[1] - y.domain()[1] * 0.01])
  	                    : y.domain([-1,1]);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = d3.select(this).selectAll('g.nv-wrap.nv-ohlcBar').data([data[0].values]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-ohlcBar');
  	            var defsEnter = wrapEnter.append('defs');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-ticks');
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            container
  	                .on('click', function(d,i) {
  	                    dispatch.chartClick({
  	                        data: d,
  	                        index: i,
  	                        pos: d3.event,
  	                        id: id
  	                    });
  	                });
  	
  	            defsEnter.append('clipPath')
  	                .attr('id', 'nv-chart-clip-path-' + id)
  	                .append('rect');
  	
  	            wrap.select('#nv-chart-clip-path-' + id + ' rect')
  	                .attr('width', availableWidth)
  	                .attr('height', availableHeight);
  	
  	            g   .attr('clip-path', clipEdge ? 'url(#nv-chart-clip-path-' + id + ')' : '');
  	
  	            var ticks = wrap.select('.nv-ticks').selectAll('.nv-tick')
  	                .data(function(d) { return d });
  	            ticks.exit().remove();
  	
  	            ticks.enter().append('path')
  	                .attr('class', function(d,i,j) { return (getOpen(d,i) > getClose(d,i) ? 'nv-tick negative' : 'nv-tick positive') + ' nv-tick-' + j + '-' + i })
  	                .attr('d', function(d,i) {
  	                    return 'm0,0l0,'
  	                        + (y(getOpen(d,i))
  	                            - y(getHigh(d,i)))
  	                        + 'l'
  	                        + (-w/2)
  	                        + ',0l'
  	                        + (w/2)
  	                        + ',0l0,'
  	                        + (y(getLow(d,i)) - y(getOpen(d,i)))
  	                        + 'l0,'
  	                        + (y(getClose(d,i))
  	                            - y(getLow(d,i)))
  	                        + 'l'
  	                        + (w/2)
  	                        + ',0l'
  	                        + (-w/2)
  	                        + ',0z';
  	                })
  	                .attr('transform', function(d,i) { return 'translate(' + x(getX(d,i)) + ',' + y(getHigh(d,i)) + ')'; })
  	                .attr('fill', function(d,i) { return color[0]; })
  	                .attr('stroke', function(d,i) { return color[0]; })
  	                .attr('x', 0 )
  	                .attr('y', function(d,i) {  return y(Math.max(0, getY(d,i))) })
  	                .attr('height', function(d,i) { return Math.abs(y(getY(d,i)) - y(0)) });
  	
  	            // the bar colors are controlled by CSS currently
  	            ticks.attr('class', function(d,i,j) {
  	                return (getOpen(d,i) > getClose(d,i) ? 'nv-tick negative' : 'nv-tick positive') + ' nv-tick-' + j + '-' + i;
  	            });
  	
  	            d3.transition(ticks)
  	                .attr('transform', function(d,i) { return 'translate(' + x(getX(d,i)) + ',' + y(getHigh(d,i)) + ')'; })
  	                .attr('d', function(d,i) {
  	                    var w = (availableWidth / data[0].values.length) * .9;
  	                    return 'm0,0l0,'
  	                        + (y(getOpen(d,i))
  	                            - y(getHigh(d,i)))
  	                        + 'l'
  	                        + (-w/2)
  	                        + ',0l'
  	                        + (w/2)
  	                        + ',0l0,'
  	                        + (y(getLow(d,i))
  	                            - y(getOpen(d,i)))
  	                        + 'l0,'
  	                        + (y(getClose(d,i))
  	                            - y(getLow(d,i)))
  	                        + 'l'
  	                        + (w/2)
  	                        + ',0l'
  	                        + (-w/2)
  	                        + ',0z';
  	                });
  	        });
  	
  	        return chart;
  	    }
  	
  	
  	    //Create methods to allow outside functions to highlight a specific bar.
  	    chart.highlightPoint = function(pointIndex, isHoverOver) {
  	        chart.clearHighlights();
  	        container.select(".nv-ohlcBar .nv-tick-0-" + pointIndex)
  	            .classed("hover", isHoverOver)
  	        ;
  	    };
  	
  	    chart.clearHighlights = function() {
  	        container.select(".nv-ohlcBar .nv-tick.hover")
  	            .classed("hover", false)
  	        ;
  	    };
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:    {get: function(){return width;}, set: function(_){width=_;}},
  	        height:   {get: function(){return height;}, set: function(_){height=_;}},
  	        xScale:   {get: function(){return x;}, set: function(_){x=_;}},
  	        yScale:   {get: function(){return y;}, set: function(_){y=_;}},
  	        xDomain:  {get: function(){return xDomain;}, set: function(_){xDomain=_;}},
  	        yDomain:  {get: function(){return yDomain;}, set: function(_){yDomain=_;}},
  	        xRange:   {get: function(){return xRange;}, set: function(_){xRange=_;}},
  	        yRange:   {get: function(){return yRange;}, set: function(_){yRange=_;}},
  	        forceX:   {get: function(){return forceX;}, set: function(_){forceX=_;}},
  	        forceY:   {get: function(){return forceY;}, set: function(_){forceY=_;}},
  	        padData:  {get: function(){return padData;}, set: function(_){padData=_;}},
  	        clipEdge: {get: function(){return clipEdge;}, set: function(_){clipEdge=_;}},
  	        id:       {get: function(){return id;}, set: function(_){id=_;}},
  	        interactive: {get: function(){return interactive;}, set: function(_){interactive=_;}},
  	
  	        x:     {get: function(){return getX;}, set: function(_){getX=_;}},
  	        y:     {get: function(){return getY;}, set: function(_){getY=_;}},
  	        open:  {get: function(){return getOpen();}, set: function(_){getOpen=_;}},
  	        close: {get: function(){return getClose();}, set: function(_){getClose=_;}},
  	        high:  {get: function(){return getHigh;}, set: function(_){getHigh=_;}},
  	        low:   {get: function(){return getLow;}, set: function(_){getLow=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    != undefined ? _.top    : margin.top;
  	            margin.right  = _.right  != undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom != undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   != undefined ? _.left   : margin.left;
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }}
  	    });
  	
  	    nv.utils.initOptions(chart);
  	    return chart;
  	};
  	// Code adapted from Jason Davies' "Parallel Coordinates"
  	// http://bl.ocks.org/jasondavies/1341281
  	nv.models.parallelCoordinates = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 30, right: 0, bottom: 10, left: 0}
  	        , width = null
  	        , height = null
  	        , availableWidth = null
  	        , availableHeight = null
  	        , x = d3.scale.ordinal()
  	        , y = {}
  	        , undefinedValuesLabel = "undefined values"
  	        , dimensionData = []
  	        , enabledDimensions = []
  	        , dimensionNames = []
  	        , displayBrush = true
  	        , color = nv.utils.defaultColor()
  	        , filters = []
  	        , active = []
  	        , dragging = []
  	        , axisWithUndefinedValues = []
  	        , lineTension = 1
  	        , foreground
  	        , background
  	        , dimensions
  	        , line = d3.svg.line()
  	        , axis = d3.svg.axis()
  	        , dispatch = d3.dispatch('brushstart', 'brush', 'brushEnd', 'dimensionsOrder', "stateChange", 'elementClick', 'elementMouseover', 'elementMouseout', 'elementMousemove', 'renderEnd', 'activeChanged')
  	        ;
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch);
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        selection.each(function(data) {
  	            var container = d3.select(this);
  	            availableWidth = nv.utils.availableWidth(width, container, margin);
  	            availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	            nv.utils.initSVG(container);
  	
  	           //Convert old data to new format (name, values)
  	            if (data[0].values === undefined) {
  	                var newData = [];
  	                data.forEach(function (d) {
  	                        var val = {};
  	                        var key = Object.keys(d);
  	                        key.forEach(function (k) { if (k !== "name") val[k] = d[k] });
  	                        newData.push({ key: d.name, values: val });
  	                });
  	                data = newData;
  	            }
  	
  	            var dataValues = data.map(function (d) {return d.values});
  	            if (active.length === 0) {
  	                active = data;
  	            }; //set all active before first brush call
  	            
  	            dimensionNames = dimensionData.sort(function (a, b) { return a.currentPosition - b.currentPosition; }).map(function (d) { return d.key });
  	            enabledDimensions = dimensionData.filter(function (d) { return !d.disabled; });
  	            
  	            // Setup Scales
  	            x.rangePoints([0, availableWidth], 1).domain(enabledDimensions.map(function (d) { return d.key; }));
  	
  	            //Set as true if all values on an axis are missing.
  	            // Extract the list of dimensions and create a scale for each.
  	            var oldDomainMaxValue = {};
  	            var displayMissingValuesline = false;
  	            var currentTicks = [];
  	            
  	            dimensionNames.forEach(function(d) {
  	                var extent = d3.extent(dataValues, function (p) { return +p[d]; });
  	                var min = extent[0];
  	                var max = extent[1];
  	                var onlyUndefinedValues = false;
  	                //If there is no values to display on an axis, set the extent to 0
  	                if (isNaN(min) || isNaN(max)) {
  	                    onlyUndefinedValues = true;
  	                    min = 0;
  	                    max = 0;
  	                }
  	                //Scale axis if there is only one value
  	                if (min === max) {
  	                    min = min - 1;
  	                    max = max + 1;
  	                }
  	                var f = filters.filter(function (k) { return k.dimension == d; });
  	                if (f.length !== 0) {
  	                    //If there is only NaN values, keep the existing domain.
  	                    if (onlyUndefinedValues) {
  	                        min = y[d].domain()[0];
  	                        max = y[d].domain()[1];
  	                    }
  	                        //If the brush extent is > max (< min), keep the extent value.
  	                    else if (!f[0].hasOnlyNaN && displayBrush) {
  	                        min = min > f[0].extent[0] ? f[0].extent[0] : min;
  	                        max = max < f[0].extent[1] ? f[0].extent[1] : max;
  	                    }
  	                        //If there is NaN values brushed be sure the brush extent is on the domain.
  	                    else if (f[0].hasNaN) {
  	                        max = max < f[0].extent[1] ? f[0].extent[1] : max;
  	                        oldDomainMaxValue[d] = y[d].domain()[1];
  	                        displayMissingValuesline = true;
  	                    }
  	                }
  	                //Use 90% of (availableHeight - 12) for the axis range, 12 reprensenting the space necessary to display "undefined values" text.
  	                //The remaining 10% are used to display the missingValue line.
  	                y[d] = d3.scale.linear()
  	                    .domain([min, max])
  	                    .range([(availableHeight - 12) * 0.9, 0]);
  	
  	                axisWithUndefinedValues = [];
  	                y[d].brush = d3.svg.brush().y(y[d]).on('brushstart', brushstart).on('brush', brush).on('brushend', brushend);
  	            });
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-parallelCoordinates').data([data]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-parallelCoordinates');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-parallelCoordinates background');
  	            gEnter.append('g').attr('class', 'nv-parallelCoordinates foreground');
  	            gEnter.append('g').attr('class', 'nv-parallelCoordinates missingValuesline');
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            line.interpolate('cardinal').tension(lineTension);
  	            axis.orient('left');
  	            var axisDrag = d3.behavior.drag()
  	                        .on('dragstart', dragStart)
  	                        .on('drag', dragMove)
  	                        .on('dragend', dragEnd);
  	
  	            //Add missing value line at the bottom of the chart
  	            var missingValuesline, missingValueslineText;
  	            var step = x.range()[1] - x.range()[0];
  	            if (!isNaN(step)) {
  	                var lineData = [0 + step / 2, availableHeight - 12, availableWidth - step / 2, availableHeight - 12];
  	                missingValuesline = wrap.select('.missingValuesline').selectAll('line').data([lineData]);
  	                missingValuesline.enter().append('line');
  	                missingValuesline.exit().remove();
  	                missingValuesline.attr("x1", function(d) { return d[0]; })
  	                        .attr("y1", function(d) { return d[1]; })
  	                        .attr("x2", function(d) { return d[2]; })
  	                        .attr("y2", function(d) { return d[3]; });
  	    
  	                //Add the text "undefined values" under the missing value line
  	                missingValueslineText = wrap.select('.missingValuesline').selectAll('text').data([undefinedValuesLabel]);
  	                missingValueslineText.append('text').data([undefinedValuesLabel]);
  	                missingValueslineText.enter().append('text');
  	                missingValueslineText.exit().remove();
  	                missingValueslineText.attr("y", availableHeight)
  	                        //To have the text right align with the missingValues line, substract 92 representing the text size.
  	                        .attr("x", availableWidth - 92 - step / 2)
  	                        .text(function(d) { return d; });
  	            }
  	            // Add grey background lines for context.
  	            background = wrap.select('.background').selectAll('path').data(data);
  	            background.enter().append('path');
  	            background.exit().remove();
  	            background.attr('d', path);
  	
  	            // Add blue foreground lines for focus.
  	            foreground = wrap.select('.foreground').selectAll('path').data(data);
  	            foreground.enter().append('path')
  	            foreground.exit().remove();
  	            foreground.attr('d', path)
  	                .style("stroke-width", function (d, i) {
  	                if (isNaN(d.strokeWidth)) { d.strokeWidth = 1;} return d.strokeWidth;})
  	                .attr('stroke', function (d, i) { return d.color || color(d, i); });
  	            foreground.on("mouseover", function (d, i) {
  	                d3.select(this).classed('hover', true).style("stroke-width", d.strokeWidth + 2 + "px").style("stroke-opacity", 1);
  	                dispatch.elementMouseover({
  	                    label: d.name,
  	                    color: d.color || color(d, i),
  	                    values: d.values,
  	                    dimensions: enabledDimensions
  	                });
  	
  	            });
  	            foreground.on("mouseout", function (d, i) {
  	                d3.select(this).classed('hover', false).style("stroke-width", d.strokeWidth + "px").style("stroke-opacity", 0.7);
  	                dispatch.elementMouseout({
  	                    label: d.name,
  	                    index: i
  	                });
  	            });
  	            foreground.on('mousemove', function (d, i) {
  	                dispatch.elementMousemove();
  	            });
  	            foreground.on('click', function (d) {
  	                dispatch.elementClick({
  	                    id: d.id
  	                });
  	            });
  	            // Add a group element for each dimension.
  	            dimensions = g.selectAll('.dimension').data(enabledDimensions);
  	            var dimensionsEnter = dimensions.enter().append('g').attr('class', 'nv-parallelCoordinates dimension');
  	
  	            dimensions.attr('transform', function(d) { return 'translate(' + x(d.key) + ',0)'; });
  	            dimensionsEnter.append('g').attr('class', 'nv-axis');
  	
  	            // Add an axis and title.
  	            dimensionsEnter.append('text')
  	                .attr('class', 'nv-label')
  	                .style("cursor", "move")
  	                .attr('dy', '-1em')
  	                .attr('text-anchor', 'middle')
  	                .on("mouseover", function(d, i) {
  	                    dispatch.elementMouseover({
  	                        label: d.tooltip || d.key,
  	                        color: d.color 
  	                    });
  	                })
  	                .on("mouseout", function(d, i) {
  	                    dispatch.elementMouseout({
  	                        label: d.tooltip
  	                    });
  	                })
  	                .on('mousemove', function (d, i) {
  	                    dispatch.elementMousemove();
  	                })
  	                .call(axisDrag);
  	
  	            dimensionsEnter.append('g').attr('class', 'nv-brushBackground');
  	            dimensions.exit().remove();
  	            dimensions.select('.nv-label').text(function (d) { return d.key });
  	
  	            // Add and store a brush for each axis.
  	            restoreBrush(displayBrush);
  	
  	            var actives = dimensionNames.filter(function (p) { return !y[p].brush.empty(); }),
  	                    extents = actives.map(function (p) { return y[p].brush.extent(); });
  	            var formerActive = active.slice(0);
  	
  	            //Restore active values
  	            active = [];
  	            foreground.style("display", function (d) {
  	                var isActive = actives.every(function (p, i) {
  	                    if ((isNaN(d.values[p]) || isNaN(parseFloat(d.values[p]))) && extents[i][0] == y[p].brush.y().domain()[0]) {
  	                        return true;
  	                    }
  	                    return (extents[i][0] <= d.values[p] && d.values[p] <= extents[i][1]) && !isNaN(parseFloat(d.values[p]));
  	                });
  	                if (isActive)
  	                    active.push(d);
  	                return !isActive ? "none" : null;
  	
  	            });
  	
  	            if (filters.length > 0 || !nv.utils.arrayEquals(active, formerActive)) {
  	               dispatch.activeChanged(active);
  	            }
  	
  	            // Returns the path for a given data point.
  	            function path(d) {
  	                return line(enabledDimensions.map(function (p) {
  	                    //If value if missing, put the value on the missing value line
  	                    if (isNaN(d.values[p.key]) || isNaN(parseFloat(d.values[p.key])) || displayMissingValuesline) {
  	                        var domain = y[p.key].domain();
  	                        var range = y[p.key].range();
  	                        var min = domain[0] - (domain[1] - domain[0]) / 9;
  	
  	                        //If it's not already the case, allow brush to select undefined values
  	                        if (axisWithUndefinedValues.indexOf(p.key) < 0) {
  	
  	                            var newscale = d3.scale.linear().domain([min, domain[1]]).range([availableHeight - 12, range[1]]);
  	                            y[p.key].brush.y(newscale);
  	                            axisWithUndefinedValues.push(p.key);
  	                        }
  	                        if (isNaN(d.values[p.key]) || isNaN(parseFloat(d.values[p.key]))) {
  	                            return [x(p.key), y[p.key](min)];
  	                        }
  	                    }
  	
  	                    //If parallelCoordinate contain missing values show the missing values line otherwise, hide it.
  	                    if (missingValuesline !== undefined) {
  	                        if (axisWithUndefinedValues.length > 0 || displayMissingValuesline) {
  	                            missingValuesline.style("display", "inline");
  	                            missingValueslineText.style("display", "inline");
  	                        } else {
  	                            missingValuesline.style("display", "none");
  	                            missingValueslineText.style("display", "none");
  	                        }
  	                    }
  	                    return [x(p.key), y[p.key](d.values[p.key])];
  	                }));
  	            }
  	
  	            function restoreBrush(visible) {
  	                filters.forEach(function (f) {
  	                    //If filter brushed NaN values, keep the brush on the bottom of the axis.
  	                    var brushDomain = y[f.dimension].brush.y().domain();
  	                    if (f.hasOnlyNaN) {
  	                        f.extent[1] = (y[f.dimension].domain()[1] - brushDomain[0]) * (f.extent[1] - f.extent[0]) / (oldDomainMaxValue[f.dimension] - f.extent[0]) + brushDomain[0];
  	                    }
  	                    if (f.hasNaN) {
  	                        f.extent[0] = brushDomain[0];
  	                    }
  	                    if (visible)
  	                        y[f.dimension].brush.extent(f.extent);
  	                });
  	                
  	                dimensions.select('.nv-brushBackground')
  	                    .each(function (d) {
  	                        d3.select(this).call(y[d.key].brush);
  	
  	                    })
  	                    .selectAll('rect')
  	                    .attr('x', -8)
  	                    .attr('width', 16);
  	                
  	                updateTicks();
  	            }
  	            
  	            // Handles a brush event, toggling the display of foreground lines.
  	            function brushstart() {
  	                //If brush aren't visible, show it before brushing again.
  	                if (displayBrush === false) {
  	                    displayBrush = true;
  	                    restoreBrush(true);
  	                }
  	            }
  	            
  	            // Handles a brush event, toggling the display of foreground lines.
  	            function brush() {
  	                actives = dimensionNames.filter(function (p) { return !y[p].brush.empty(); });
  	                extents = actives.map(function(p) { return y[p].brush.extent(); });
  	
  	                filters = []; //erase current filters
  	                actives.forEach(function(d,i) {
  	                    filters[i] = {
  	                        dimension: d,
  	                        extent: extents[i],
  	                        hasNaN: false,
  	                        hasOnlyNaN: false
  	                    }
  	                });
  	
  	                active = []; //erase current active list
  	                foreground.style('display', function(d) {
  	                    var isActive = actives.every(function(p, i) {
  	                        if ((isNaN(d.values[p]) || isNaN(parseFloat(d.values[p]))) && extents[i][0] == y[p].brush.y().domain()[0]) return true;
  	                        return (extents[i][0] <= d.values[p] && d.values[p] <= extents[i][1]) && !isNaN(parseFloat(d.values[p]));
  	                    });
  	                    if (isActive) active.push(d);
  	                    return isActive ? null : 'none';
  	                });
  	                
  	                updateTicks();
  	                
  	                dispatch.brush({
  	                    filters: filters,
  	                    active: active
  	                });
  	            }
  	            function brushend() {
  	                var hasActiveBrush = actives.length > 0 ? true : false;
  	                filters.forEach(function (f) {
  	                    if (f.extent[0] === y[f.dimension].brush.y().domain()[0] && axisWithUndefinedValues.indexOf(f.dimension) >= 0)
  	                        f.hasNaN = true;
  	                    if (f.extent[1] < y[f.dimension].domain()[0])
  	                        f.hasOnlyNaN = true;
  	                });
  	                dispatch.brushEnd(active, hasActiveBrush);
  	            }           
  	            function updateTicks() {
  	                dimensions.select('.nv-axis')
  	                    .each(function (d, i) {
  	                        var f = filters.filter(function (k) { return k.dimension == d.key; });
  	                        currentTicks[d.key] = y[d.key].domain();
  	                        
  	                        //If brush are available, display brush extent
  	                        if (f.length != 0 && displayBrush)
  	                        {
  	                            currentTicks[d.key] = [];
  	                            if (f[0].extent[1] > y[d.key].domain()[0]) 
  	                                currentTicks[d.key] = [f[0].extent[1]];
  	                            if (f[0].extent[0] >= y[d.key].domain()[0])
  	                                currentTicks[d.key].push(f[0].extent[0]);    
  	                        }
  	                            
  	                        d3.select(this).call(axis.scale(y[d.key]).tickFormat(d.format).tickValues(currentTicks[d.key]));
  	                });
  	            }
  	            function dragStart(d) {
  	                dragging[d.key] = this.parentNode.__origin__ = x(d.key);
  	                background.attr("visibility", "hidden");
  	            }
  	            function dragMove(d) {
  	                dragging[d.key] = Math.min(availableWidth, Math.max(0, this.parentNode.__origin__ += d3.event.x));
  	                foreground.attr("d", path);
  	                enabledDimensions.sort(function (a, b) { return dimensionPosition(a.key) - dimensionPosition(b.key); });
  	                enabledDimensions.forEach(function (d, i) { return d.currentPosition = i; });
  	                x.domain(enabledDimensions.map(function (d) { return d.key; }));
  	                dimensions.attr("transform", function(d) { return "translate(" + dimensionPosition(d.key) + ")"; });
  	            }
  	            function dragEnd(d, i) {
  	                delete this.parentNode.__origin__;
  	                delete dragging[d.key];
  	                d3.select(this.parentNode).attr("transform", "translate(" + x(d.key) + ")");
  	                foreground
  	                  .attr("d", path);
  	                background
  	                  .attr("d", path)
  	                  .attr("visibility", null);
  	
  	                dispatch.dimensionsOrder(enabledDimensions);
  	            }
  	            function dimensionPosition(d) {
  	                var v = dragging[d];
  	                return v == null ? x(d) : v;
  	            }
  	        });
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:         {get: function(){return width;},           set: function(_){width= _;}},
  	        height:        {get: function(){return height;},          set: function(_){height= _;}},
  	        dimensionData: { get: function () { return dimensionData; }, set: function (_) { dimensionData = _; } },
  	        displayBrush: { get: function () { return displayBrush; }, set: function (_) { displayBrush = _; } },
  	        filters: { get: function () { return filters; }, set: function (_) { filters = _; } },
  	        active: { get: function () { return active; }, set: function (_) { active = _; } },
  	        lineTension:   {get: function(){return lineTension;},     set: function(_){lineTension = _;}},
  	        undefinedValuesLabel : {get: function(){return undefinedValuesLabel;}, set: function(_){undefinedValuesLabel=_;}},
  	        
  	        // deprecated options
  	        dimensions: {get: function () { return dimensionData.map(function (d){return d.key}); }, set: function (_) {
  	            // deprecated after 1.8.1
  	            nv.deprecated('dimensions', 'use dimensionData instead');
  	            if (dimensionData.length === 0) {
  	                _.forEach(function (k) { dimensionData.push({ key: k }) })
  	            } else {
  	                _.forEach(function (k, i) { dimensionData[i].key= k })
  	            }
  	        }},
  	        dimensionNames: {get: function () { return dimensionData.map(function (d){return d.key}); }, set: function (_) {
  	            // deprecated after 1.8.1
  	            nv.deprecated('dimensionNames', 'use dimensionData instead');
  	            dimensionNames = [];
  	            if (dimensionData.length === 0) {
  	                _.forEach(function (k) { dimensionData.push({ key: k }) })
  	            } else {
  	                _.forEach(function (k, i) { dimensionData[i].key = k })
  	            }
  	 
  	        }},
  	        dimensionFormats: {get: function () { return dimensionData.map(function (d) { return d.format }); }, set: function (_) {
  	            // deprecated after 1.8.1
  	            nv.deprecated('dimensionFormats', 'use dimensionData instead');
  	            if (dimensionData.length === 0) {
  	                _.forEach(function (f) { dimensionData.push({ format: f }) })
  	            } else {
  	                _.forEach(function (f, i) { dimensionData[i].format = f })
  	            }
  	
  	        }},
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    =  _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  =  _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom =  _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   =  _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }}
  	    });
  	    nv.utils.initOptions(chart);
  	    return chart;
  	};
  	nv.models.parallelCoordinatesChart = function () {
  	        "use strict";
  	        //============================================================
  	        // Public Variables with Default Settings
  	        //------------------------------------------------------------
  	
  	        var parallelCoordinates = nv.models.parallelCoordinates()
  	        var legend = nv.models.legend()
  	        var tooltip = nv.models.tooltip();
  	        var dimensionTooltip = nv.models.tooltip();
  	
  	        var margin = { top: 0, right: 0, bottom: 0, left: 0 }
  	        , width = null
  			, height = null
  	        , showLegend = true
  			, color = nv.utils.defaultColor()
  	        , state = nv.utils.state()
  	        , dimensionData = []
  	        , displayBrush = true
  	        , defaultState = null
  	        , noData = null
  	        , nanValue = "undefined"
  	        , dispatch = d3.dispatch('dimensionsOrder', 'brushEnd', 'stateChange', 'changeState', 'renderEnd')
  	        , controlWidth = function () { return showControls ? 180 : 0 }
  	        ;
  	
  		    //============================================================
  	
  			//============================================================
  	        // Private Variables
  	        //------------------------------------------------------------
  	
  	        var renderWatch = nv.utils.renderWatch(dispatch);
  	
  	        var stateGetter = function(data) {
  	            return function() {
  	                return {
  	                    active: data.map(function(d) { return !d.disabled })
  	                };
  	            }
  	        };
  	
  	        var stateSetter = function(data) {
  	            return function(state) {
  	                if(state.active !== undefined) {
  	                    data.forEach(function(series, i) {
  	                        series.disabled = !state.active[i];
  	                    });
  	                }
  	            }
  	        };
  	
  	        tooltip.contentGenerator(function(data) {
  	            var str = '<table><thead><tr><td class="legend-color-guide"><div style="background-color:' + data.color + '"></div></td><td><strong>' + data.key + '</strong></td></tr></thead>';
  	            if(data.series.length !== 0)
  	            {
  	                str = str + '<tbody><tr><td height ="10px"></td></tr>';
  	                data.series.forEach(function(d){
  	                    str = str + '<tr><td class="legend-color-guide"><div style="background-color:' + d.color + '"></div></td><td class="key">' + d.key + '</td><td class="value">' + d.value + '</td></tr>';
  	                });
  	                str = str + '</tbody>';
  	            }
  	            str = str + '</table>';
  	            return str;
  	        });
  	
  	        //============================================================
  	        // Chart function
  	        //------------------------------------------------------------
  	
  	        function chart(selection) {
  	            renderWatch.reset();
  	            renderWatch.models(parallelCoordinates);
  	
  	            selection.each(function(data) {
  	                var container = d3.select(this);
  	                nv.utils.initSVG(container);
  	
  	                var that = this;
  	
  	                var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                    availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	                chart.update = function() { container.call(chart); };
  	                chart.container = this;
  	
  	                state.setter(stateSetter(dimensionData), chart.update)
  	                    .getter(stateGetter(dimensionData))
  	                    .update();
  	
  	                //set state.disabled
  	                state.disabled = dimensionData.map(function (d) { return !!d.disabled });
  	
  	                //Keep dimensions position in memory
  	                dimensionData = dimensionData.map(function (d) {d.disabled = !!d.disabled; return d});
  	                dimensionData.forEach(function (d, i) {
  	                    d.originalPosition = isNaN(d.originalPosition) ? i : d.originalPosition;
  	                    d.currentPosition = isNaN(d.currentPosition) ? i : d.currentPosition;
  	                });
  	
  	               if (!defaultState) {
  	                    var key;
  	                    defaultState = {};
  	                    for(key in state) {
  	                        if(state[key] instanceof Array)
  	                            defaultState[key] = state[key].slice(0);
  	                        else
  	                            defaultState[key] = state[key];
  	                    }
  	                }
  	
  	                // Display No Data message if there's nothing to show.
  	                if(!data || !data.length) {
  	                    nv.utils.noData(chart, container);
  	                    return chart;
  	                } else {
  	                    container.selectAll('.nv-noData').remove();
  	                }
  	
  	                //------------------------------------------------------------
  	                // Setup containers and skeleton of chart
  	
  	                var wrap = container.selectAll('g.nv-wrap.nv-parallelCoordinatesChart').data([data]);
  	                var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-parallelCoordinatesChart').append('g');
  	
  	                var g = wrap.select('g');
  	
  	                gEnter.append('g').attr('class', 'nv-parallelCoordinatesWrap');
  	                gEnter.append('g').attr('class', 'nv-legendWrap');
  	
  	                g.select("rect")
  	                    .attr("width", availableWidth)
  	                    .attr("height", (availableHeight > 0) ? availableHeight : 0);
  	
  	                // Legend
  	                if (!showLegend) {
  	                    g.select('.nv-legendWrap').selectAll('*').remove();
  	                } else {
  	                    legend.width(availableWidth)
  	                        .color(function (d) { return "rgb(188,190,192)"; });
  	
  	                    g.select('.nv-legendWrap')
  	                        .datum(dimensionData.sort(function (a, b) { return a.originalPosition - b.originalPosition; }))
  	                        .call(legend);
  	
  	                    if (legend.height() > margin.top) {
  	                        margin.top = legend.height();
  	                        availableHeight = nv.utils.availableHeight(height, container, margin);
  	                    }
  	                    wrap.select('.nv-legendWrap')
  	                       .attr('transform', 'translate( 0 ,' + (-margin.top) + ')');
  	                }
  	                wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	                // Main Chart Component(s)
  	                parallelCoordinates
  	                    .width(availableWidth)
  	                    .height(availableHeight)
  	                    .dimensionData(dimensionData)
  	                    .displayBrush(displayBrush);
  	
  			        var parallelCoordinatesWrap = g.select('.nv-parallelCoordinatesWrap ')
  	                  .datum(data);
  	
  			        parallelCoordinatesWrap.transition().call(parallelCoordinates);
  	
  					//============================================================
  	                // Event Handling/Dispatching (in chart's scope)
  	                //------------------------------------------------------------
  	                //Display reset brush button
  			        parallelCoordinates.dispatch.on('brushEnd', function (active, hasActiveBrush) {
  			            if (hasActiveBrush) {
  			                displayBrush = true;
  			                dispatch.brushEnd(active);
  			            } else {
  	
  			                displayBrush = false;
  			            }
  			        });
  	
  			        legend.dispatch.on('stateChange', function(newState) {
  			            for(var key in newState) {
  			                state[key] = newState[key];
  			            }
  			            dispatch.stateChange(state);
  			            chart.update();
  			        });
  	
  	                //Update dimensions order and display reset sorting button
  			        parallelCoordinates.dispatch.on('dimensionsOrder', function (e) {
  			            dimensionData.sort(function (a, b) { return a.currentPosition - b.currentPosition; });
  			            var isSorted = false;
  			            dimensionData.forEach(function (d, i) {
  			                d.currentPosition = i;
  			                if (d.currentPosition !== d.originalPosition)
  			                    isSorted = true;
  			            });
  			            dispatch.dimensionsOrder(dimensionData, isSorted);
  			        });
  	
  					// Update chart from a state object passed to event handler
  	                dispatch.on('changeState', function (e) {
  	
  	                    if (typeof e.disabled !== 'undefined') {
  	                        dimensionData.forEach(function (series, i) {
  	                            series.disabled = e.disabled[i];
  	                        });
  	                        state.disabled = e.disabled;
  	                    }
  	                    chart.update();
  	                });
  	            });
  	
  	            renderWatch.renderEnd('parraleleCoordinateChart immediate');
  	            return chart;
  	        }
  	
  			//============================================================
  	        // Event Handling/Dispatching (out of chart's scope)
  	        //------------------------------------------------------------
  	
  	        parallelCoordinates.dispatch.on('elementMouseover.tooltip', function (evt) {
  	            var tp = {
  	                key: evt.label,
  	                color: evt.color,
  	                series: []
  	             }
  	            if(evt.values){
  	                Object.keys(evt.values).forEach(function (d) {
  	                    var dim = evt.dimensions.filter(function (dd) {return dd.key === d;})[0];
  	                    if(dim){
  	                        var v;
  	                        if (isNaN(evt.values[d]) || isNaN(parseFloat(evt.values[d]))) {
  	                            v = nanValue;
  	                        } else {
  	                            v = dim.format(evt.values[d]);
  	                        }
  	                        tp.series.push({ idx: dim.currentPosition, key: d, value: v, color: dim.color });
  	                    }
  	                });
  	                tp.series.sort(function(a,b) {return a.idx - b.idx});
  	             }
  	            tooltip.data(tp).hidden(false);
  	        });
  	
  	        parallelCoordinates.dispatch.on('elementMouseout.tooltip', function(evt) {
  	            tooltip.hidden(true)
  	        });
  	
  	        parallelCoordinates.dispatch.on('elementMousemove.tooltip', function () {
  	            tooltip();
  	        });
  			 //============================================================
  	        // Expose Public Variables
  	        //------------------------------------------------------------
  	
  			// expose chart's sub-components
  	        chart.dispatch = dispatch;
  	        chart.parallelCoordinates = parallelCoordinates;
  	        chart.legend = legend;
  	        chart.tooltip = tooltip;
  	        chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	        chart._options = Object.create({}, {
  	            // simple options, just get/set the necessary values
  	            width: { get: function () { return width; }, set: function (_) { width = _; } },
  	            height: { get: function () { return height; }, set: function (_) { height = _; } },
  	            showLegend: { get: function () { return showLegend; }, set: function (_) { showLegend = _; } },
  	            defaultState: { get: function () { return defaultState; }, set: function (_) { defaultState = _; } },
  	            dimensionData: { get: function () { return dimensionData; }, set: function (_) { dimensionData = _; } },
  	            displayBrush: { get: function () { return displayBrush; }, set: function (_) { displayBrush = _; } },
  	            noData: { get: function () { return noData; }, set: function (_) { noData = _; } },
  	            nanValue: { get: function () { return nanValue; }, set: function (_) { nanValue = _; } },
  	
  	            // options that require extra logic in the setter
  	            margin: {
  	                get: function () { return margin; },
  	                set: function (_) {
  	                    margin.top = _.top !== undefined ? _.top : margin.top;
  	                    margin.right = _.right !== undefined ? _.right : margin.right;
  	                    margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	                    margin.left = _.left !== undefined ? _.left : margin.left;
  	                }
  	            },
  	            color: {get: function(){return color;}, set: function(_){
  	                    color = nv.utils.getColor(_);
  	                    legend.color(color);
  	                    parallelCoordinates.color(color);
  	                }}
  	        });
  	
  	        nv.utils.inheritOptions(chart, parallelCoordinates);
  	        nv.utils.initOptions(chart);
  	
  	        return chart;
  	    };
  	nv.models.pie = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 0, right: 0, bottom: 0, left: 0}
  	        , width = 500
  	        , height = 500
  	        , getX = function(d) { return d.x }
  	        , getY = function(d) { return d.y }
  	        , id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
  	        , container = null
  	        , color = nv.utils.defaultColor()
  	        , valueFormat = d3.format(',.2f')
  	        , showLabels = true
  	        , labelsOutside = false
  	        , labelType = "key"
  	        , labelThreshold = .02 //if slice percentage is under this, don't show label
  	        , donut = false
  	        , title = false
  	        , growOnHover = true
  	        , titleOffset = 0
  	        , labelSunbeamLayout = false
  	        , startAngle = false
  	        , padAngle = false
  	        , endAngle = false
  	        , cornerRadius = 0
  	        , donutRatio = 0.5
  	        , duration = 250
  	        , arcsRadius = []
  	        , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout', 'elementMousemove', 'renderEnd')
  	        ;
  	
  	    var arcs = [];
  	    var arcsOver = [];
  	
  	    //============================================================
  	    // chart function
  	    //------------------------------------------------------------
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch);
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        selection.each(function(data) {
  	            var availableWidth = width - margin.left - margin.right
  	                , availableHeight = height - margin.top - margin.bottom
  	                , radius = Math.min(availableWidth, availableHeight) / 2
  	                , arcsRadiusOuter = []
  	                , arcsRadiusInner = []
  	                ;
  	
  	            container = d3.select(this)
  	            if (arcsRadius.length === 0) {
  	                var outer = radius - radius / 5;
  	                var inner = donutRatio * radius;
  	                for (var i = 0; i < data[0].length; i++) {
  	                    arcsRadiusOuter.push(outer);
  	                    arcsRadiusInner.push(inner);
  	                }
  	            } else {
  	                if(growOnHover){
  	                    arcsRadiusOuter = arcsRadius.map(function (d) { return (d.outer - d.outer / 5) * radius; });
  	                    arcsRadiusInner = arcsRadius.map(function (d) { return (d.inner - d.inner / 5) * radius; });
  	                    donutRatio = d3.min(arcsRadius.map(function (d) { return (d.inner - d.inner / 5); }));
  	                } else {
  	                    arcsRadiusOuter = arcsRadius.map(function (d) { return d.outer * radius; });
  	                    arcsRadiusInner = arcsRadius.map(function (d) { return d.inner * radius; });
  	                    donutRatio = d3.min(arcsRadius.map(function (d) { return d.inner; }));
  	                }
  	            }
  	            nv.utils.initSVG(container);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('.nv-wrap.nv-pie').data(data);
  	            var wrapEnter = wrap.enter().append('g').attr('class','nvd3 nv-wrap nv-pie nv-chart-' + id);
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	            var g_pie = gEnter.append('g').attr('class', 'nv-pie');
  	            gEnter.append('g').attr('class', 'nv-pieLabels');
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	            g.select('.nv-pie').attr('transform', 'translate(' + availableWidth / 2 + ',' + availableHeight / 2 + ')');
  	            g.select('.nv-pieLabels').attr('transform', 'translate(' + availableWidth / 2 + ',' + availableHeight / 2 + ')');
  	
  	            //
  	            container.on('click', function(d,i) {
  	                dispatch.chartClick({
  	                    data: d,
  	                    index: i,
  	                    pos: d3.event,
  	                    id: id
  	                });
  	            });
  	
  	            arcs = [];
  	            arcsOver = [];
  	            for (var i = 0; i < data[0].length; i++) {
  	
  	                var arc = d3.svg.arc().outerRadius(arcsRadiusOuter[i]);
  	                var arcOver = d3.svg.arc().outerRadius(arcsRadiusOuter[i] + 5);
  	
  	                if (startAngle !== false) {
  	                    arc.startAngle(startAngle);
  	                    arcOver.startAngle(startAngle);
  	                }
  	                if (endAngle !== false) {
  	                    arc.endAngle(endAngle);
  	                    arcOver.endAngle(endAngle);
  	                }
  	                if (donut) {
  	                    arc.innerRadius(arcsRadiusInner[i]);
  	                    arcOver.innerRadius(arcsRadiusInner[i]);
  	                }
  	
  	                if (arc.cornerRadius && cornerRadius) {
  	                    arc.cornerRadius(cornerRadius);
  	                    arcOver.cornerRadius(cornerRadius);
  	                }
  	
  	                arcs.push(arc);
  	                arcsOver.push(arcOver);
  	            }
  	
  	            // Setup the Pie chart and choose the data element
  	            var pie = d3.layout.pie()
  	                .sort(null)
  	                .value(function(d) { return d.disabled ? 0 : getY(d) });
  	
  	            // padAngle added in d3 3.5
  	            if (pie.padAngle && padAngle) {
  	                pie.padAngle(padAngle);
  	            }
  	
  	            // if title is specified and donut, put it in the middle
  	            if (donut && title) {
  	                g_pie.append("text").attr('class', 'nv-pie-title');
  	
  	                wrap.select('.nv-pie-title')
  	                    .style("text-anchor", "middle")
  	                    .text(function (d) {
  	                        return title;
  	                    })
  	                    .style("font-size", (Math.min(availableWidth, availableHeight)) * donutRatio * 2 / (title.length + 2) + "px")
  	                    .attr("dy", "0.35em") // trick to vertically center text
  	                    .attr('transform', function(d, i) {
  	                        return 'translate(0, '+ titleOffset + ')';
  	                    });
  	            }
  	
  	            var slices = wrap.select('.nv-pie').selectAll('.nv-slice').data(pie);
  	            var pieLabels = wrap.select('.nv-pieLabels').selectAll('.nv-label').data(pie);
  	
  	            slices.exit().remove();
  	            pieLabels.exit().remove();
  	
  	            var ae = slices.enter().append('g');
  	            ae.attr('class', 'nv-slice');
  	            ae.on('mouseover', function(d, i) {
  	                d3.select(this).classed('hover', true);
  	                if (growOnHover) {
  	                    d3.select(this).select("path").transition()
  	                        .duration(70)
  	                        .attr("d", arcsOver[i]);
  	                }
  	                dispatch.elementMouseover({
  	                    data: d.data,
  	                    index: i,
  	                    color: d3.select(this).style("fill"),
  	                    percent: (d.endAngle - d.startAngle) / (2 * Math.PI)
  	                });
  	            });
  	            ae.on('mouseout', function(d, i) {
  	                d3.select(this).classed('hover', false);
  	                if (growOnHover) {
  	                    d3.select(this).select("path").transition()
  	                        .duration(50)
  	                        .attr("d", arcs[i]);
  	                }
  	                dispatch.elementMouseout({data: d.data, index: i});
  	            });
  	            ae.on('mousemove', function(d, i) {
  	                dispatch.elementMousemove({data: d.data, index: i});
  	            });
  	            ae.on('click', function(d, i) {
  	                var element = this;
  	                dispatch.elementClick({
  	                    data: d.data,
  	                    index: i,
  	                    color: d3.select(this).style("fill"),
  	                    event: d3.event,
  	                    element: element
  	                });
  	            });
  	            ae.on('dblclick', function(d, i) {
  	                dispatch.elementDblClick({
  	                    data: d.data,
  	                    index: i,
  	                    color: d3.select(this).style("fill")
  	                });
  	            });
  	
  	            slices.attr('fill', function(d,i) { return color(d.data, i); });
  	            slices.attr('stroke', function(d,i) { return color(d.data, i); });
  	
  	            var paths = ae.append('path').each(function(d) {
  	                this._current = d;
  	            });
  	
  	            slices.select('path')
  	                .transition()
  	                .duration(duration)
  	                .attr('d', function (d, i) { return arcs[i](d); })
  	                .attrTween('d', arcTween);
  	
  	            if (showLabels) {
  	                // This does the normal label
  	                var labelsArc = [];
  	                for (var i = 0; i < data[0].length; i++) {
  	                    labelsArc.push(arcs[i]);
  	
  	                    if (labelsOutside) {
  	                        if (donut) {
  	                            labelsArc[i] = d3.svg.arc().outerRadius(arcs[i].outerRadius());
  	                            if (startAngle !== false) labelsArc[i].startAngle(startAngle);
  	                            if (endAngle !== false) labelsArc[i].endAngle(endAngle);
  	                        }
  	                    } else if (!donut) {
  	                            labelsArc[i].innerRadius(0);
  	                    }
  	                }
  	
  	                pieLabels.enter().append("g").classed("nv-label",true).each(function(d,i) {
  	                    var group = d3.select(this);
  	
  	                    group.attr('transform', function (d, i) {
  	                        if (labelSunbeamLayout) {
  	                            d.outerRadius = arcsRadiusOuter[i] + 10; // Set Outer Coordinate
  	                            d.innerRadius = arcsRadiusOuter[i] + 15; // Set Inner Coordinate
  	                            var rotateAngle = (d.startAngle + d.endAngle) / 2 * (180 / Math.PI);
  	                            if ((d.startAngle + d.endAngle) / 2 < Math.PI) {
  	                                rotateAngle -= 90;
  	                            } else {
  	                                rotateAngle += 90;
  	                            }
  	                            return 'translate(' + labelsArc[i].centroid(d) + ') rotate(' + rotateAngle + ')';
  	                        } else {
  	                            d.outerRadius = radius + 10; // Set Outer Coordinate
  	                            d.innerRadius = radius + 15; // Set Inner Coordinate
  	                            return 'translate(' + labelsArc[i].centroid(d) + ')'
  	                        }
  	                    });
  	
  	                    group.append('rect')
  	                        .style('stroke', '#fff')
  	                        .style('fill', '#fff')
  	                        .attr("rx", 3)
  	                        .attr("ry", 3);
  	
  	                    group.append('text')
  	                        .style('text-anchor', labelSunbeamLayout ? ((d.startAngle + d.endAngle) / 2 < Math.PI ? 'start' : 'end') : 'middle') //center the text on it's origin or begin/end if orthogonal aligned
  	                        .style('fill', '#000')
  	                });
  	
  	                var labelLocationHash = {};
  	                var avgHeight = 14;
  	                var avgWidth = 140;
  	                var createHashKey = function(coordinates) {
  	                    return Math.floor(coordinates[0]/avgWidth) * avgWidth + ',' + Math.floor(coordinates[1]/avgHeight) * avgHeight;
  	                };
  	                var getSlicePercentage = function(d) {
  	                    return (d.endAngle - d.startAngle) / (2 * Math.PI);
  	                };
  	
  	                pieLabels.watchTransition(renderWatch, 'pie labels').attr('transform', function (d, i) {
  	                    if (labelSunbeamLayout) {
  	                        d.outerRadius = arcsRadiusOuter[i] + 10; // Set Outer Coordinate
  	                        d.innerRadius = arcsRadiusOuter[i] + 15; // Set Inner Coordinate
  	                        var rotateAngle = (d.startAngle + d.endAngle) / 2 * (180 / Math.PI);
  	                        if ((d.startAngle + d.endAngle) / 2 < Math.PI) {
  	                            rotateAngle -= 90;
  	                        } else {
  	                            rotateAngle += 90;
  	                        }
  	                        return 'translate(' + labelsArc[i].centroid(d) + ') rotate(' + rotateAngle + ')';
  	                    } else {
  	                        d.outerRadius = radius + 10; // Set Outer Coordinate
  	                        d.innerRadius = radius + 15; // Set Inner Coordinate
  	
  	                        /*
  	                        Overlapping pie labels are not good. What this attempts to do is, prevent overlapping.
  	                        Each label location is hashed, and if a hash collision occurs, we assume an overlap.
  	                        Adjust the label's y-position to remove the overlap.
  	                        */
  	                        var center = labelsArc[i].centroid(d);
  	                        var percent = getSlicePercentage(d);
  	                        if (d.value && percent >= labelThreshold) {
  	                            var hashKey = createHashKey(center);
  	                            if (labelLocationHash[hashKey]) {
  	                                center[1] -= avgHeight;
  	                            }
  	                            labelLocationHash[createHashKey(center)] = true;
  	                        }
  	                        return 'translate(' + center + ')'
  	                    }
  	                });
  	
  	                pieLabels.select(".nv-label text")
  	                    .style('text-anchor', function(d,i) {
  	                        //center the text on it's origin or begin/end if orthogonal aligned
  	                        return labelSunbeamLayout ? ((d.startAngle + d.endAngle) / 2 < Math.PI ? 'start' : 'end') : 'middle';
  	                    })
  	                    .text(function(d, i) {
  	                        var percent = getSlicePercentage(d);
  	                        var label = '';
  	                        if (!d.value || percent < labelThreshold) return '';
  	
  	                        if(typeof labelType === 'function') {
  	                            label = labelType(d, i, {
  	                                'key': getX(d.data),
  	                                'value': getY(d.data),
  	                                'percent': valueFormat(percent)
  	                            });
  	                        } else {
  	                            switch (labelType) {
  	                                case 'key':
  	                                    label = getX(d.data);
  	                                    break;
  	                                case 'value':
  	                                    label = valueFormat(getY(d.data));
  	                                    break;
  	                                case 'percent':
  	                                    label = d3.format('%')(percent);
  	                                    break;
  	                            }
  	                        }
  	                        return label;
  	                    })
  	                ;
  	            }
  	
  	
  	            // Computes the angle of an arc, converting from radians to degrees.
  	            function angle(d) {
  	                var a = (d.startAngle + d.endAngle) * 90 / Math.PI - 90;
  	                return a > 90 ? a - 180 : a;
  	            }
  	
  	            function arcTween(a, idx) {
  	                a.endAngle = isNaN(a.endAngle) ? 0 : a.endAngle;
  	                a.startAngle = isNaN(a.startAngle) ? 0 : a.startAngle;
  	                if (!donut) a.innerRadius = 0;
  	                var i = d3.interpolate(this._current, a);
  	                this._current = i(0);
  	                return function (t) {
  	                    return arcs[idx](i(t));
  	                };
  	            }
  	        });
  	
  	        renderWatch.renderEnd('pie immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        arcsRadius: { get: function () { return arcsRadius; }, set: function (_) { arcsRadius = _; } },
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  	        showLabels: {get: function(){return showLabels;}, set: function(_){showLabels=_;}},
  	        title:      {get: function(){return title;}, set: function(_){title=_;}},
  	        titleOffset:    {get: function(){return titleOffset;}, set: function(_){titleOffset=_;}},
  	        labelThreshold: {get: function(){return labelThreshold;}, set: function(_){labelThreshold=_;}},
  	        valueFormat:    {get: function(){return valueFormat;}, set: function(_){valueFormat=_;}},
  	        x:          {get: function(){return getX;}, set: function(_){getX=_;}},
  	        id:         {get: function(){return id;}, set: function(_){id=_;}},
  	        endAngle:   {get: function(){return endAngle;}, set: function(_){endAngle=_;}},
  	        startAngle: {get: function(){return startAngle;}, set: function(_){startAngle=_;}},
  	        padAngle:   {get: function(){return padAngle;}, set: function(_){padAngle=_;}},
  	        cornerRadius: {get: function(){return cornerRadius;}, set: function(_){cornerRadius=_;}},
  	        donutRatio:   {get: function(){return donutRatio;}, set: function(_){donutRatio=_;}},
  	        labelsOutside: {get: function(){return labelsOutside;}, set: function(_){labelsOutside=_;}},
  	        labelSunbeamLayout: {get: function(){return labelSunbeamLayout;}, set: function(_){labelSunbeamLayout=_;}},
  	        donut:              {get: function(){return donut;}, set: function(_){donut=_;}},
  	        growOnHover:        {get: function(){return growOnHover;}, set: function(_){growOnHover=_;}},
  	
  	        // depreciated after 1.7.1
  	        pieLabelsOutside: {get: function(){return labelsOutside;}, set: function(_){
  	            labelsOutside=_;
  	            nv.deprecated('pieLabelsOutside', 'use labelsOutside instead');
  	        }},
  	        // depreciated after 1.7.1
  	        donutLabelsOutside: {get: function(){return labelsOutside;}, set: function(_){
  	            labelsOutside=_;
  	            nv.deprecated('donutLabelsOutside', 'use labelsOutside instead');
  	        }},
  	        // deprecated after 1.7.1
  	        labelFormat: {get: function(){ return valueFormat;}, set: function(_) {
  	            valueFormat=_;
  	            nv.deprecated('labelFormat','use valueFormat instead');
  	        }},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = typeof _.top    != 'undefined' ? _.top    : margin.top;
  	            margin.right  = typeof _.right  != 'undefined' ? _.right  : margin.right;
  	            margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
  	            margin.left   = typeof _.left   != 'undefined' ? _.left   : margin.left;
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	        }},
  	        y: {get: function(){return getY;}, set: function(_){
  	            getY=d3.functor(_);
  	        }},
  	        color: {get: function(){return color;}, set: function(_){
  	            color=nv.utils.getColor(_);
  	        }},
  	        labelType:          {get: function(){return labelType;}, set: function(_){
  	            labelType= _ || 'key';
  	        }}
  	    });
  	
  	    nv.utils.initOptions(chart);
  	    return chart;
  	};
  	nv.models.pieChart = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var pie = nv.models.pie();
  	    var legend = nv.models.legend();
  	    var tooltip = nv.models.tooltip();
  	
  	    var margin = {top: 30, right: 20, bottom: 20, left: 20}
  	        , width = null
  	        , height = null
  	        , showTooltipPercent = false
  	        , showLegend = true
  	        , legendPosition = "top"
  	        , color = nv.utils.defaultColor()
  	        , state = nv.utils.state()
  	        , defaultState = null
  	        , noData = null
  	        , duration = 250
  	        , dispatch = d3.dispatch('stateChange', 'changeState','renderEnd')
  	        ;
  	
  	    tooltip
  	        .duration(0)
  	        .headerEnabled(false)
  	        .valueFormatter(function(d, i) {
  	            return pie.valueFormat()(d, i);
  	        });
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch);
  	
  	    var stateGetter = function(data) {
  	        return function(){
  	            return {
  	                active: data.map(function(d) { return !d.disabled })
  	            };
  	        }
  	    };
  	
  	    var stateSetter = function(data) {
  	        return function(state) {
  	            if (state.active !== undefined) {
  	                data.forEach(function (series, i) {
  	                    series.disabled = !state.active[i];
  	                });
  	            }
  	        }
  	    };
  	
  	    //============================================================
  	    // Chart function
  	    //------------------------------------------------------------
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        renderWatch.models(pie);
  	
  	        selection.each(function(data) {
  	            var container = d3.select(this);
  	            nv.utils.initSVG(container);
  	
  	            var that = this;
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	            chart.update = function() { container.transition().call(chart); };
  	            chart.container = this;
  	
  	            state.setter(stateSetter(data), chart.update)
  	                .getter(stateGetter(data))
  	                .update();
  	
  	            //set state.disabled
  	            state.disabled = data.map(function(d) { return !!d.disabled });
  	
  	            if (!defaultState) {
  	                var key;
  	                defaultState = {};
  	                for (key in state) {
  	                    if (state[key] instanceof Array)
  	                        defaultState[key] = state[key].slice(0);
  	                    else
  	                        defaultState[key] = state[key];
  	                }
  	            }
  	
  	            // Display No Data message if there's nothing to show.
  	            if (!data || !data.length) {
  	                nv.utils.noData(chart, container);
  	                return chart;
  	            } else {
  	                container.selectAll('.nv-noData').remove();
  	            }
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-pieChart').data([data]);
  	            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-pieChart').append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-pieWrap');
  	            gEnter.append('g').attr('class', 'nv-legendWrap');
  	
  	            // Legend
  	            if (!showLegend) {
  	                g.select('.nv-legendWrap').selectAll('*').remove();
  	            } else {
  	                if (legendPosition === "top") {
  	                    legend.width( availableWidth ).key(pie.x());
  	
  	                    wrap.select('.nv-legendWrap')
  	                        .datum(data)
  	                        .call(legend);
  	
  	                    if (legend.height() > margin.top) {
  	                        margin.top = legend.height();
  	                        availableHeight = nv.utils.availableHeight(height, container, margin);
  	                    }
  	
  	                    wrap.select('.nv-legendWrap')
  	                        .attr('transform', 'translate(0,' + (-margin.top) +')');
  	                } else if (legendPosition === "right") {
  	                    var legendWidth = nv.models.legend().width();
  	                    if (availableWidth / 2 < legendWidth) {
  	                        legendWidth = (availableWidth / 2)
  	                    }
  	                    legend.height(availableHeight).key(pie.x());
  	                    legend.width(legendWidth);
  	                    availableWidth -= legend.width();
  	
  	                    wrap.select('.nv-legendWrap')
  	                        .datum(data)
  	                        .call(legend)
  	                        .attr('transform', 'translate(' + (availableWidth) +',0)');
  	                }
  	            }
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            // Main Chart Component(s)
  	            pie.width(availableWidth).height(availableHeight);
  	            var pieWrap = g.select('.nv-pieWrap').datum([data]);
  	            d3.transition(pieWrap).call(pie);
  	
  	            //============================================================
  	            // Event Handling/Dispatching (in chart's scope)
  	            //------------------------------------------------------------
  	
  	            legend.dispatch.on('stateChange', function(newState) {
  	                for (var key in newState) {
  	                    state[key] = newState[key];
  	                }
  	                dispatch.stateChange(state);
  	                chart.update();
  	            });
  	
  	            // Update chart from a state object passed to event handler
  	            dispatch.on('changeState', function(e) {
  	                if (typeof e.disabled !== 'undefined') {
  	                    data.forEach(function(series,i) {
  	                        series.disabled = e.disabled[i];
  	                    });
  	                    state.disabled = e.disabled;
  	                }
  	                chart.update();
  	            });
  	        });
  	
  	        renderWatch.renderEnd('pieChart immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Event Handling/Dispatching (out of chart's scope)
  	    //------------------------------------------------------------
  	
  	    pie.dispatch.on('elementMouseover.tooltip', function(evt) {
  	        evt['series'] = {
  	            key: chart.x()(evt.data),
  	            value: chart.y()(evt.data),
  	            color: evt.color,
  	            percent: evt.percent
  	        };
  	        if (!showTooltipPercent) {
  	            delete evt.percent;
  	            delete evt.series.percent;
  	        }
  	        tooltip.data(evt).hidden(false);
  	    });
  	
  	    pie.dispatch.on('elementMouseout.tooltip', function(evt) {
  	        tooltip.hidden(true);
  	    });
  	
  	    pie.dispatch.on('elementMousemove.tooltip', function(evt) {
  	        tooltip();
  	    });
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    // expose chart's sub-components
  	    chart.legend = legend;
  	    chart.dispatch = dispatch;
  	    chart.pie = pie;
  	    chart.tooltip = tooltip;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    // use Object get/set functionality to map between vars and chart functions
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:              {get: function(){return width;},                set: function(_){width=_;}},
  	        height:             {get: function(){return height;},               set: function(_){height=_;}},
  	        noData:             {get: function(){return noData;},               set: function(_){noData=_;}},
  	        showTooltipPercent: {get: function(){return showTooltipPercent;},   set: function(_){showTooltipPercent=_;}},
  	        showLegend:         {get: function(){return showLegend;},           set: function(_){showLegend=_;}},
  	        legendPosition:     {get: function(){return legendPosition;},       set: function(_){legendPosition=_;}},
  	        defaultState:       {get: function(){return defaultState;},         set: function(_){defaultState=_;}},
  	
  	        // options that require extra logic in the setter
  	        color: {get: function(){return color;}, set: function(_){
  	            color = _;
  	            legend.color(color);
  	            pie.color(color);
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	            pie.duration(duration);
  	        }},
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }}
  	    });
  	    nv.utils.inheritOptions(chart, pie);
  	    nv.utils.initOptions(chart);
  	    return chart;
  	};
  	
  	nv.models.scatter = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin       = {top: 0, right: 0, bottom: 0, left: 0}
  	        , width        = null
  	        , height       = null
  	        , color        = nv.utils.defaultColor() // chooses color
  	        , id           = Math.floor(Math.random() * 100000) //Create semi-unique ID incase user doesn't select one
  	        , container    = null
  	        , x            = d3.scale.linear()
  	        , y            = d3.scale.linear()
  	        , z            = d3.scale.linear() //linear because d3.svg.shape.size is treated as area
  	        , getX         = function(d) { return d.x } // accessor to get the x value
  	        , getY         = function(d) { return d.y } // accessor to get the y value
  	        , getSize      = function(d) { return d.size || 1} // accessor to get the point size
  	        , getShape     = function(d) { return d.shape || 'circle' } // accessor to get point shape
  	        , forceX       = [] // List of numbers to Force into the X scale (ie. 0, or a max / min, etc.)
  	        , forceY       = [] // List of numbers to Force into the Y scale
  	        , forceSize    = [] // List of numbers to Force into the Size scale
  	        , interactive  = true // If true, plots a voronoi overlay for advanced point intersection
  	        , pointActive  = function(d) { return !d.notActive } // any points that return false will be filtered out
  	        , padData      = false // If true, adds half a data points width to front and back, for lining up a line chart with a bar chart
  	        , padDataOuter = .1 //outerPadding to imitate ordinal scale outer padding
  	        , clipEdge     = false // if true, masks points within x and y scale
  	        , clipVoronoi  = true // if true, masks each point with a circle... can turn off to slightly increase performance
  	        , showVoronoi  = false // display the voronoi areas
  	        , clipRadius   = function() { return 25 } // function to get the radius for voronoi point clips
  	        , xDomain      = null // Override x domain (skips the calculation from data)
  	        , yDomain      = null // Override y domain
  	        , xRange       = null // Override x range
  	        , yRange       = null // Override y range
  	        , sizeDomain   = null // Override point size domain
  	        , sizeRange    = null
  	        , singlePoint  = false
  	        , dispatch     = d3.dispatch('elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout', 'renderEnd')
  	        , useVoronoi   = true
  	        , duration     = 250
  	        , interactiveUpdateDelay = 300
  	        , showLabels    = false 
  	        ;
  	
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var x0, y0, z0 // used to store previous scales
  	        , timeoutID
  	        , needsUpdate = false // Flag for when the points are visually updating, but the interactive layer is behind, to disable tooltips
  	        , renderWatch = nv.utils.renderWatch(dispatch, duration)
  	        , _sizeRange_def = [16, 256]
  	        , _caches
  	        ;
  	
  	    function getCache(d) {
  	        var cache, i;
  	        cache = _caches = _caches || {};
  	        i = d[0].series;
  	        cache = cache[i] = cache[i] || {};
  	        i = d[1];
  	        cache = cache[i] = cache[i] || {};
  	        return cache;
  	    }
  	
  	    function getDiffs(d) {
  	        var i, key,
  	            point = d[0],
  	            cache = getCache(d),
  	            diffs = false;
  	        for (i = 1; i < arguments.length; i ++) {
  	            key = arguments[i];
  	            if (cache[key] !== point[key] || !cache.hasOwnProperty(key)) {
  	                cache[key] = point[key];
  	                diffs = true;
  	            }
  	        }
  	        return diffs;
  	    }
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        selection.each(function(data) {
  	            container = d3.select(this);
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	            nv.utils.initSVG(container);
  	
  	            //add series index to each data point for reference
  	            data.forEach(function(series, i) {
  	                series.values.forEach(function(point) {
  	                    point.series = i;
  	                });
  	            });
  	
  	            // Setup Scales
  	            var logScale = chart.yScale().name === d3.scale.log().name ? true : false; 
  	            // remap and flatten the data for use in calculating the scales' domains
  	            var seriesData = (xDomain && yDomain && sizeDomain) ? [] : // if we know xDomain and yDomain and sizeDomain, no need to calculate.... if Size is constant remember to set sizeDomain to speed up performance
  	                d3.merge(
  	                    data.map(function(d) {
  	                        return d.values.map(function(d,i) {
  	                            return { x: getX(d,i), y: getY(d,i), size: getSize(d,i) }
  	                        })
  	                    })
  	                );
  	
  	            x   .domain(xDomain || d3.extent(seriesData.map(function(d) { return d.x; }).concat(forceX)))
  	
  	            if (padData && data[0])
  	                x.range(xRange || [(availableWidth * padDataOuter +  availableWidth) / (2 *data[0].values.length), availableWidth - availableWidth * (1 + padDataOuter) / (2 * data[0].values.length)  ]);
  	            //x.range([availableWidth * .5 / data[0].values.length, availableWidth * (data[0].values.length - .5)  / data[0].values.length ]);
  	            else
  	                x.range(xRange || [0, availableWidth]);
  	
  	             if (logScale) {
  	                    var min = d3.min(seriesData.map(function(d) { if (d.y !== 0) return d.y; }));
  	                    y.clamp(true)
  	                        .domain(yDomain || d3.extent(seriesData.map(function(d) {
  	                            if (d.y !== 0) return d.y;
  	                            else return min * 0.1;
  	                        }).concat(forceY)))
  	                        .range(yRange || [availableHeight, 0]);
  	                } else {
  	                        y.domain(yDomain || d3.extent(seriesData.map(function (d) { return d.y;}).concat(forceY)))
  	                        .range(yRange || [availableHeight, 0]);
  	                }
  	
  	            z   .domain(sizeDomain || d3.extent(seriesData.map(function(d) { return d.size }).concat(forceSize)))
  	                .range(sizeRange || _sizeRange_def);
  	
  	            // If scale's domain don't have a range, slightly adjust to make one... so a chart can show a single data point
  	            singlePoint = x.domain()[0] === x.domain()[1] || y.domain()[0] === y.domain()[1];
  	
  	            if (x.domain()[0] === x.domain()[1])
  	                x.domain()[0] ?
  	                    x.domain([x.domain()[0] - x.domain()[0] * 0.01, x.domain()[1] + x.domain()[1] * 0.01])
  	                    : x.domain([-1,1]);
  	
  	            if (y.domain()[0] === y.domain()[1])
  	                y.domain()[0] ?
  	                    y.domain([y.domain()[0] - y.domain()[0] * 0.01, y.domain()[1] + y.domain()[1] * 0.01])
  	                    : y.domain([-1,1]);
  	
  	            if ( isNaN(x.domain()[0])) {
  	                x.domain([-1,1]);
  	            }
  	
  	            if ( isNaN(y.domain()[0])) {
  	                y.domain([-1,1]);
  	            }
  	
  	            x0 = x0 || x;
  	            y0 = y0 || y;
  	            z0 = z0 || z;
  	
  	            var scaleDiff = x(1) !== x0(1) || y(1) !== y0(1) || z(1) !== z0(1);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-scatter').data([data]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-scatter nv-chart-' + id);
  	            var defsEnter = wrapEnter.append('defs');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            wrap.classed('nv-single-point', singlePoint);
  	            gEnter.append('g').attr('class', 'nv-groups');
  	            gEnter.append('g').attr('class', 'nv-point-paths');
  	            wrapEnter.append('g').attr('class', 'nv-point-clips');
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            defsEnter.append('clipPath')
  	                .attr('id', 'nv-edge-clip-' + id)
  	                .append('rect');
  	
  	            wrap.select('#nv-edge-clip-' + id + ' rect')
  	                .attr('width', availableWidth)
  	                .attr('height', (availableHeight > 0) ? availableHeight : 0);
  	
  	            g.attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + id + ')' : '');
  	
  	            function updateInteractiveLayer() {
  	                // Always clear needs-update flag regardless of whether or not
  	                // we will actually do anything (avoids needless invocations).
  	                needsUpdate = false;
  	
  	                if (!interactive) return false;
  	
  	                // inject series and point index for reference into voronoi
  	                if (useVoronoi === true) {
  	                    var vertices = d3.merge(data.map(function(group, groupIndex) {
  	                            return group.values
  	                                .map(function(point, pointIndex) {
  	                                    // *Adding noise to make duplicates very unlikely
  	                                    // *Injecting series and point index for reference
  	                                    /* *Adding a 'jitter' to the points, because there's an issue in d3.geom.voronoi.
  	                                     */
  	                                    var pX = getX(point,pointIndex);
  	                                    var pY = getY(point,pointIndex);
  	
  	                                    return [nv.utils.NaNtoZero(x(pX))+ Math.random() * 1e-4,
  	                                            nv.utils.NaNtoZero(y(pY))+ Math.random() * 1e-4,
  	                                        groupIndex,
  	                                        pointIndex, point]; //temp hack to add noise until I think of a better way so there are no duplicates
  	                                })
  	                                .filter(function(pointArray, pointIndex) {
  	                                    return pointActive(pointArray[4], pointIndex); // Issue #237.. move filter to after map, so pointIndex is correct!
  	                                })
  	                        })
  	                    );
  	
  	                    if (vertices.length == 0) return false;  // No active points, we're done
  	                    if (vertices.length < 3) {
  	                        // Issue #283 - Adding 2 dummy points to the voronoi b/c voronoi requires min 3 points to work
  	                        vertices.push([x.range()[0] - 20, y.range()[0] - 20, null, null]);
  	                        vertices.push([x.range()[1] + 20, y.range()[1] + 20, null, null]);
  	                        vertices.push([x.range()[0] - 20, y.range()[0] + 20, null, null]);
  	                        vertices.push([x.range()[1] + 20, y.range()[1] - 20, null, null]);
  	                    }
  	
  	                    // keep voronoi sections from going more than 10 outside of graph
  	                    // to avoid overlap with other things like legend etc
  	                    var bounds = d3.geom.polygon([
  	                        [-10,-10],
  	                        [-10,height + 10],
  	                        [width + 10,height + 10],
  	                        [width + 10,-10]
  	                    ]);
  	
  	                    var voronoi = d3.geom.voronoi(vertices).map(function(d, i) {
  	                        return {
  	                            'data': bounds.clip(d),
  	                            'series': vertices[i][2],
  	                            'point': vertices[i][3]
  	                        }
  	                    });
  	
  	                    // nuke all voronoi paths on reload and recreate them
  	                    wrap.select('.nv-point-paths').selectAll('path').remove();
  	                    var pointPaths = wrap.select('.nv-point-paths').selectAll('path').data(voronoi);
  	                    var vPointPaths = pointPaths
  	                        .enter().append("svg:path")
  	                        .attr("d", function(d) {
  	                            if (!d || !d.data || d.data.length === 0)
  	                                return 'M 0 0';
  	                            else
  	                                return "M" + d.data.join(",") + "Z";
  	                        })
  	                        .attr("id", function(d,i) {
  	                            return "nv-path-"+i; })
  	                        .attr("clip-path", function(d,i) { return "url(#nv-clip-"+id+"-"+i+")"; })
  	                        ;
  	
  	                    // good for debugging point hover issues
  	                    if (showVoronoi) {
  	                        vPointPaths.style("fill", d3.rgb(230, 230, 230))
  	                            .style('fill-opacity', 0.4)
  	                            .style('stroke-opacity', 1)
  	                            .style("stroke", d3.rgb(200,200,200));
  	                    }
  	
  	                    if (clipVoronoi) {
  	                        // voronoi sections are already set to clip,
  	                        // just create the circles with the IDs they expect
  	                        wrap.select('.nv-point-clips').selectAll('*').remove(); // must do * since it has sub-dom
  	                        var pointClips = wrap.select('.nv-point-clips').selectAll('clipPath').data(vertices);
  	                        var vPointClips = pointClips
  	                            .enter().append("svg:clipPath")
  	                            .attr("id", function(d, i) { return "nv-clip-"+id+"-"+i;})
  	                            .append("svg:circle")
  	                            .attr('cx', function(d) { return d[0]; })
  	                            .attr('cy', function(d) { return d[1]; })
  	                            .attr('r', clipRadius);
  	                    }
  	
  	                    var mouseEventCallback = function(d, mDispatch) {
  	                        if (needsUpdate) return 0;
  	                        var series = data[d.series];
  	                        if (series === undefined) return;
  	                        var point  = series.values[d.point];
  	                        point['color'] = color(series, d.series);
  	
  	                        // standardize attributes for tooltip.
  	                        point['x'] = getX(point);
  	                        point['y'] = getY(point);
  	
  	                        // can't just get box of event node since it's actually a voronoi polygon
  	                        var box = container.node().getBoundingClientRect();
  	                        var scrollTop  = window.pageYOffset || document.documentElement.scrollTop;
  	                        var scrollLeft = window.pageXOffset || document.documentElement.scrollLeft;
  	
  	                        var pos = {
  	                            left: x(getX(point, d.point)) + box.left + scrollLeft + margin.left + 10,
  	                            top: y(getY(point, d.point)) + box.top + scrollTop + margin.top + 10
  	                        };
  	
  	                        mDispatch({
  	                            point: point,
  	                            series: series,
  	                            pos: pos,
  	                            relativePos: [x(getX(point, d.point)) + margin.left, y(getY(point, d.point)) + margin.top],
  	                            seriesIndex: d.series,
  	                            pointIndex: d.point
  	                        });
  	                    };
  	
  	                    pointPaths
  	                        .on('click', function(d) {
  	                            mouseEventCallback(d, dispatch.elementClick);
  	                        })
  	                        .on('dblclick', function(d) {
  	                            mouseEventCallback(d, dispatch.elementDblClick);
  	                        })
  	                        .on('mouseover', function(d) {
  	                            mouseEventCallback(d, dispatch.elementMouseover);
  	                        })
  	                        .on('mouseout', function(d, i) {
  	                            mouseEventCallback(d, dispatch.elementMouseout);
  	                        });
  	
  	                } else {
  	                    // add event handlers to points instead voronoi paths
  	                    wrap.select('.nv-groups').selectAll('.nv-group')
  	                        .selectAll('.nv-point')
  	                        //.data(dataWithPoints)
  	                        //.style('pointer-events', 'auto') // recativate events, disabled by css
  	                        .on('click', function(d,i) {
  	                            //nv.log('test', d, i);
  	                            if (needsUpdate || !data[d.series]) return 0; //check if this is a dummy point
  	                            var series = data[d.series],
  	                                point  = series.values[i];
  	                            var element = this;
  	                            dispatch.elementClick({
  	                                point: point,
  	                                series: series,
  	                                pos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top], //TODO: make this pos base on the page
  	                                relativePos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],
  	                                seriesIndex: d.series,
  	                                pointIndex: i,
  	                                event: d3.event,
  	                                element: element
  	                            });
  	                        })
  	                        .on('dblclick', function(d,i) {
  	                            if (needsUpdate || !data[d.series]) return 0; //check if this is a dummy point
  	                            var series = data[d.series],
  	                                point  = series.values[i];
  	
  	                            dispatch.elementDblClick({
  	                                point: point,
  	                                series: series,
  	                                pos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],//TODO: make this pos base on the page
  	                                relativePos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],
  	                                seriesIndex: d.series,
  	                                pointIndex: i
  	                            });
  	                        })
  	                        .on('mouseover', function(d,i) {
  	                            if (needsUpdate || !data[d.series]) return 0; //check if this is a dummy point
  	                            var series = data[d.series],
  	                                point  = series.values[i];
  	
  	                            dispatch.elementMouseover({
  	                                point: point,
  	                                series: series,
  	                                pos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],//TODO: make this pos base on the page
  	                                relativePos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],
  	                                seriesIndex: d.series,
  	                                pointIndex: i,
  	                                color: color(d, i)
  	                            });
  	                        })
  	                        .on('mouseout', function(d,i) {
  	                            if (needsUpdate || !data[d.series]) return 0; //check if this is a dummy point
  	                            var series = data[d.series],
  	                                point  = series.values[i];
  	
  	                            dispatch.elementMouseout({
  	                                point: point,
  	                                series: series,
  	                                pos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],//TODO: make this pos base on the page
  	                                relativePos: [x(getX(point, i)) + margin.left, y(getY(point, i)) + margin.top],
  	                                seriesIndex: d.series,
  	                                pointIndex: i,
  	                                color: color(d, i)
  	                            });
  	                        });
  	                }
  	            }
  	
  	            needsUpdate = true;
  	            var groups = wrap.select('.nv-groups').selectAll('.nv-group')
  	                .data(function(d) { return d }, function(d) { return d.key });
  	            groups.enter().append('g')
  	                .style('stroke-opacity', 1e-6)
  	                .style('fill-opacity', 1e-6);
  	            groups.exit()
  	                .remove();
  	            groups
  	                .attr('class', function(d,i) {
  	                    return (d.classed || '') + ' nv-group nv-series-' + i;
  	                })
  	                .classed('nv-noninteractive', !interactive)
  	                .classed('hover', function(d) { return d.hover });
  	            groups.watchTransition(renderWatch, 'scatter: groups')
  	                .style('fill', function(d,i) { return color(d, i) })
  	                .style('stroke', function(d,i) { return color(d, i) })
  	                .style('stroke-opacity', 1)
  	                .style('fill-opacity', .5);
  	
  	            // create the points, maintaining their IDs from the original data set
  	            var points = groups.selectAll('path.nv-point')
  	                .data(function(d) {
  	                    return d.values.map(
  	                        function (point, pointIndex) {
  	                            return [point, pointIndex]
  	                        }).filter(
  	                            function(pointArray, pointIndex) {
  	                                return pointActive(pointArray[0], pointIndex)
  	                            })
  	                    });
  	            points.enter().append('path')
  	                .attr('class', function (d) {
  	                    return 'nv-point nv-point-' + d[1];
  	                })
  	                .style('fill', function (d) { return d.color })
  	                .style('stroke', function (d) { return d.color })
  	                .attr('transform', function(d) {
  	                    return 'translate(' + nv.utils.NaNtoZero(x0(getX(d[0],d[1]))) + ',' + nv.utils.NaNtoZero(y0(getY(d[0],d[1]))) + ')'
  	                })
  	                .attr('d',
  	                    nv.utils.symbol()
  	                    .type(function(d) { return getShape(d[0]); })
  	                    .size(function(d) { return z(getSize(d[0],d[1])) })
  	            );
  	            points.exit().remove();
  	            groups.exit().selectAll('path.nv-point')
  	                .watchTransition(renderWatch, 'scatter exit')
  	                .attr('transform', function(d) {
  	                    return 'translate(' + nv.utils.NaNtoZero(x(getX(d[0],d[1]))) + ',' + nv.utils.NaNtoZero(y(getY(d[0],d[1]))) + ')'
  	                })
  	                .remove();
  	            points.filter(function (d) { return scaleDiff || getDiffs(d, 'x', 'y'); })
  	                .watchTransition(renderWatch, 'scatter points')
  	                .attr('transform', function(d) {
  	                    //nv.log(d, getX(d[0],d[1]), x(getX(d[0],d[1])));
  	                    return 'translate(' + nv.utils.NaNtoZero(x(getX(d[0],d[1]))) + ',' + nv.utils.NaNtoZero(y(getY(d[0],d[1]))) + ')'
  	                });
  	            points.filter(function (d) { return scaleDiff || getDiffs(d, 'shape', 'size'); })
  	                .watchTransition(renderWatch, 'scatter points')
  	                .attr('d',
  	                    nv.utils.symbol()
  	                    .type(function(d) { return getShape(d[0]); })
  	                    .size(function(d) { return z(getSize(d[0],d[1])) })
  	            );
  	            
  	            // add label a label to scatter chart 
  	            if(showLabels)
  	            {      
  	                var titles =  groups.selectAll('.nv-label')
  	                    .data(function(d) {
  	                        return d.values.map(
  	                            function (point, pointIndex) {
  	                                return [point, pointIndex]
  	                            }).filter(
  	                                function(pointArray, pointIndex) {
  	                                    return pointActive(pointArray[0], pointIndex)
  	                                })
  	                        });
  	
  	                titles.enter().append('text')
  	                    .style('fill', function (d,i) { 
  	                        return d.color })
  	                    .style('stroke-opacity', 0)
  	                    .style('fill-opacity', 1)
  	                    .attr('transform', function(d) {
  	                        var dx = nv.utils.NaNtoZero(x0(getX(d[0],d[1]))) + Math.sqrt(z(getSize(d[0],d[1]))/Math.PI) + 2;
  	                        return 'translate(' + dx + ',' + nv.utils.NaNtoZero(y0(getY(d[0],d[1]))) + ')';
  	                    })
  	                    .text(function(d,i){
  	                        return d[0].label;});
  	
  	                titles.exit().remove();
  	                groups.exit().selectAll('path.nv-label')
  	                    .watchTransition(renderWatch, 'scatter exit')
  	                    .attr('transform', function(d) {
  	                        var dx = nv.utils.NaNtoZero(x(getX(d[0],d[1])))+ Math.sqrt(z(getSize(d[0],d[1]))/Math.PI)+2;
  	                        return 'translate(' + dx + ',' + nv.utils.NaNtoZero(y(getY(d[0],d[1]))) + ')';
  	                    })
  	                    .remove();
  	               titles.each(function(d) {
  	                  d3.select(this)
  	                    .classed('nv-label', true)
  	                    .classed('nv-label-' + d[1], false)
  	                    .classed('hover',false);
  	                });
  	                titles.watchTransition(renderWatch, 'scatter labels')
  	                    .attr('transform', function(d) {
  	                        var dx = nv.utils.NaNtoZero(x(getX(d[0],d[1])))+ Math.sqrt(z(getSize(d[0],d[1]))/Math.PI)+2;
  	                        return 'translate(' + dx + ',' + nv.utils.NaNtoZero(y(getY(d[0],d[1]))) + ')'
  	                    });
  	            }
  	
  	            // Delay updating the invisible interactive layer for smoother animation
  	            if( interactiveUpdateDelay )
  	            {
  	                clearTimeout(timeoutID); // stop repeat calls to updateInteractiveLayer
  	                timeoutID = setTimeout(updateInteractiveLayer, interactiveUpdateDelay );
  	            }
  	            else
  	            {
  	                updateInteractiveLayer();
  	            }
  	
  	            //store old scales for use in transitions on update
  	            x0 = x.copy();
  	            y0 = y.copy();
  	            z0 = z.copy();
  	
  	        });
  	        renderWatch.renderEnd('scatter immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    // utility function calls provided by this chart
  	    chart._calls = new function() {
  	        this.clearHighlights = function () {
  	            nv.dom.write(function() {
  	                container.selectAll(".nv-point.hover").classed("hover", false);
  	            });
  	            return null;
  	        };
  	        this.highlightPoint = function (seriesIndex, pointIndex, isHoverOver) {
  	            nv.dom.write(function() {
  	                container.select('.nv-groups')
  	                  .selectAll(".nv-series-" + seriesIndex)
  	                  .selectAll(".nv-point-" + pointIndex)
  	                  .classed("hover", isHoverOver);
  	            });
  	        };
  	    };
  	
  	    // trigger calls from events too
  	    dispatch.on('elementMouseover.point', function(d) {
  	        if (interactive) chart._calls.highlightPoint(d.seriesIndex,d.pointIndex,true);
  	    });
  	
  	    dispatch.on('elementMouseout.point', function(d) {
  	        if (interactive) chart._calls.highlightPoint(d.seriesIndex,d.pointIndex,false);
  	    });
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:        {get: function(){return width;}, set: function(_){width=_;}},
  	        height:       {get: function(){return height;}, set: function(_){height=_;}},
  	        xScale:       {get: function(){return x;}, set: function(_){x=_;}},
  	        yScale:       {get: function(){return y;}, set: function(_){y=_;}},
  	        pointScale:   {get: function(){return z;}, set: function(_){z=_;}},
  	        xDomain:      {get: function(){return xDomain;}, set: function(_){xDomain=_;}},
  	        yDomain:      {get: function(){return yDomain;}, set: function(_){yDomain=_;}},
  	        pointDomain:  {get: function(){return sizeDomain;}, set: function(_){sizeDomain=_;}},
  	        xRange:       {get: function(){return xRange;}, set: function(_){xRange=_;}},
  	        yRange:       {get: function(){return yRange;}, set: function(_){yRange=_;}},
  	        pointRange:   {get: function(){return sizeRange;}, set: function(_){sizeRange=_;}},
  	        forceX:       {get: function(){return forceX;}, set: function(_){forceX=_;}},
  	        forceY:       {get: function(){return forceY;}, set: function(_){forceY=_;}},
  	        forcePoint:   {get: function(){return forceSize;}, set: function(_){forceSize=_;}},
  	        interactive:  {get: function(){return interactive;}, set: function(_){interactive=_;}},
  	        pointActive:  {get: function(){return pointActive;}, set: function(_){pointActive=_;}},
  	        padDataOuter: {get: function(){return padDataOuter;}, set: function(_){padDataOuter=_;}},
  	        padData:      {get: function(){return padData;}, set: function(_){padData=_;}},
  	        clipEdge:     {get: function(){return clipEdge;}, set: function(_){clipEdge=_;}},
  	        clipVoronoi:  {get: function(){return clipVoronoi;}, set: function(_){clipVoronoi=_;}},
  	        clipRadius:   {get: function(){return clipRadius;}, set: function(_){clipRadius=_;}},
  	        showVoronoi:   {get: function(){return showVoronoi;}, set: function(_){showVoronoi=_;}},
  	        id:           {get: function(){return id;}, set: function(_){id=_;}},
  	        interactiveUpdateDelay: {get:function(){return interactiveUpdateDelay;}, set: function(_){interactiveUpdateDelay=_;}},
  	        showLabels: {get: function(){return showLabels;}, set: function(_){ showLabels = _;}},
  	
  	        // simple functor options
  	        x:     {get: function(){return getX;}, set: function(_){getX = d3.functor(_);}},
  	        y:     {get: function(){return getY;}, set: function(_){getY = d3.functor(_);}},
  	        pointSize: {get: function(){return getSize;}, set: function(_){getSize = d3.functor(_);}},
  	        pointShape: {get: function(){return getShape;}, set: function(_){getShape = d3.functor(_);}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	        }},
  	        color: {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }},
  	        useVoronoi: {get: function(){return useVoronoi;}, set: function(_){
  	            useVoronoi = _;
  	            if (useVoronoi === false) {
  	                clipVoronoi = false;
  	            }
  	        }}
  	    });
  	
  	    nv.utils.initOptions(chart);
  	    return chart;
  	};
  	
  	nv.models.scatterChart = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var scatter      = nv.models.scatter()
  	        , xAxis        = nv.models.axis()
  	        , yAxis        = nv.models.axis()
  	        , legend       = nv.models.legend()
  	        , distX        = nv.models.distribution()
  	        , distY        = nv.models.distribution()
  	        , tooltip      = nv.models.tooltip()
  	        ;
  	
  	    var margin       = {top: 30, right: 20, bottom: 50, left: 75}
  	        , width        = null
  	        , height       = null
  	        , container    = null
  	        , color        = nv.utils.defaultColor()
  	        , x            = scatter.xScale()
  	        , y            = scatter.yScale()
  	        , showDistX    = false
  	        , showDistY    = false
  	        , showLegend   = true
  	        , showXAxis    = true
  	        , showYAxis    = true
  	        , rightAlignYAxis = false
  	        , state = nv.utils.state()
  	        , defaultState = null
  	        , dispatch = d3.dispatch('stateChange', 'changeState', 'renderEnd')
  	        , noData       = null
  	        , duration = 250
  	        , showLabels    = false
  	        ;
  	
  	    scatter.xScale(x).yScale(y);
  	    xAxis.orient('bottom').tickPadding(10);
  	    yAxis
  	        .orient((rightAlignYAxis) ? 'right' : 'left')
  	        .tickPadding(10)
  	    ;
  	    distX.axis('x');
  	    distY.axis('y');
  	    tooltip
  	        .headerFormatter(function(d, i) {
  	            return xAxis.tickFormat()(d, i);
  	        })
  	        .valueFormatter(function(d, i) {
  	            return yAxis.tickFormat()(d, i);
  	        });
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var x0, y0
  	        , renderWatch = nv.utils.renderWatch(dispatch, duration);
  	
  	    var stateGetter = function(data) {
  	        return function(){
  	            return {
  	                active: data.map(function(d) { return !d.disabled })
  	            };
  	        }
  	    };
  	
  	    var stateSetter = function(data) {
  	        return function(state) {
  	            if (state.active !== undefined)
  	                data.forEach(function(series,i) {
  	                    series.disabled = !state.active[i];
  	                });
  	        }
  	    };
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        renderWatch.models(scatter);
  	        if (showXAxis) renderWatch.models(xAxis);
  	        if (showYAxis) renderWatch.models(yAxis);
  	        if (showDistX) renderWatch.models(distX);
  	        if (showDistY) renderWatch.models(distY);
  	
  	        selection.each(function(data) {
  	            var that = this;
  	
  	            container = d3.select(this);
  	            nv.utils.initSVG(container);
  	
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	            chart.update = function() {
  	                if (duration === 0)
  	                    container.call(chart);
  	                else
  	                    container.transition().duration(duration).call(chart);
  	            };
  	            chart.container = this;
  	
  	            state
  	                .setter(stateSetter(data), chart.update)
  	                .getter(stateGetter(data))
  	                .update();
  	
  	            // DEPRECATED set state.disableddisabled
  	            state.disabled = data.map(function(d) { return !!d.disabled });
  	
  	            if (!defaultState) {
  	                var key;
  	                defaultState = {};
  	                for (key in state) {
  	                    if (state[key] instanceof Array)
  	                        defaultState[key] = state[key].slice(0);
  	                    else
  	                        defaultState[key] = state[key];
  	                }
  	            }
  	
  	            // Display noData message if there's nothing to show.
  	            if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
  	                nv.utils.noData(chart, container);
  	                renderWatch.renderEnd('scatter immediate');
  	                return chart;
  	            } else {
  	                container.selectAll('.nv-noData').remove();
  	            }
  	
  	            // Setup Scales
  	            x = scatter.xScale();
  	            y = scatter.yScale();
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-scatterChart').data([data]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-scatterChart nv-chart-' + scatter.id());
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            // background for pointer events
  	            gEnter.append('rect').attr('class', 'nvd3 nv-background').style("pointer-events","none");
  	
  	            gEnter.append('g').attr('class', 'nv-x nv-axis');
  	            gEnter.append('g').attr('class', 'nv-y nv-axis');
  	            gEnter.append('g').attr('class', 'nv-scatterWrap');
  	            gEnter.append('g').attr('class', 'nv-regressionLinesWrap');
  	            gEnter.append('g').attr('class', 'nv-distWrap');
  	            gEnter.append('g').attr('class', 'nv-legendWrap');
  	
  	            if (rightAlignYAxis) {
  	                g.select(".nv-y.nv-axis")
  	                    .attr("transform", "translate(" + availableWidth + ",0)");
  	            }
  	
  	            // Legend
  	            if (!showLegend) {
  	                g.select('.nv-legendWrap').selectAll('*').remove();
  	            } else {
  	                var legendWidth = availableWidth;
  	                legend.width(legendWidth);
  	
  	                wrap.select('.nv-legendWrap')
  	                    .datum(data)
  	                    .call(legend);
  	
  	                if (legend.height() > margin.top) {
  	                    margin.top = legend.height();
  	                    availableHeight = nv.utils.availableHeight(height, container, margin);
  	                }
  	
  	                wrap.select('.nv-legendWrap')
  	                    .attr('transform', 'translate(0' + ',' + (-margin.top) +')');
  	            }
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            // Main Chart Component(s)
  	            scatter
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .color(data.map(function(d,i) {
  	                    d.color = d.color || color(d, i);
  	                    return d.color;
  	                }).filter(function(d,i) { return !data[i].disabled }))
  	                .showLabels(showLabels);
  	
  	            wrap.select('.nv-scatterWrap')
  	                .datum(data.filter(function(d) { return !d.disabled }))
  	                .call(scatter);
  	
  	
  	            wrap.select('.nv-regressionLinesWrap')
  	                .attr('clip-path', 'url(#nv-edge-clip-' + scatter.id() + ')');
  	
  	            var regWrap = wrap.select('.nv-regressionLinesWrap').selectAll('.nv-regLines')
  	                .data(function (d) {
  	                    return d;
  	                });
  	
  	            regWrap.enter().append('g').attr('class', 'nv-regLines');
  	
  	            var regLine = regWrap.selectAll('.nv-regLine')
  	                .data(function (d) {
  	                    return [d]
  	                });
  	
  	            regLine.enter()
  	                .append('line').attr('class', 'nv-regLine')
  	                .style('stroke-opacity', 0);
  	
  	            // don't add lines unless we have slope and intercept to use
  	            regLine.filter(function(d) {
  	                return d.intercept && d.slope;
  	            })
  	                .watchTransition(renderWatch, 'scatterPlusLineChart: regline')
  	                .attr('x1', x.range()[0])
  	                .attr('x2', x.range()[1])
  	                .attr('y1', function (d, i) {
  	                    return y(x.domain()[0] * d.slope + d.intercept)
  	                })
  	                .attr('y2', function (d, i) {
  	                    return y(x.domain()[1] * d.slope + d.intercept)
  	                })
  	                .style('stroke', function (d, i, j) {
  	                    return color(d, j)
  	                })
  	                .style('stroke-opacity', function (d, i) {
  	                    return (d.disabled || typeof d.slope === 'undefined' || typeof d.intercept === 'undefined') ? 0 : 1
  	                });
  	
  	            // Setup Axes
  	            if (showXAxis) {
  	                xAxis
  	                    .scale(x)
  	                    ._ticks( nv.utils.calcTicksX(availableWidth/100, data) )
  	                    .tickSize( -availableHeight , 0);
  	
  	                g.select('.nv-x.nv-axis')
  	                    .attr('transform', 'translate(0,' + y.range()[0] + ')')
  	                    .call(xAxis);
  	            }
  	
  	            if (showYAxis) {
  	                yAxis
  	                    .scale(y)
  	                    ._ticks( nv.utils.calcTicksY(availableHeight/36, data) )
  	                    .tickSize( -availableWidth, 0);
  	
  	                g.select('.nv-y.nv-axis')
  	                    .call(yAxis);
  	            }
  	
  	            // Setup Distribution
  	            if (showDistX) {
  	                distX
  	                    .getData(scatter.x())
  	                    .scale(x)
  	                    .width(availableWidth)
  	                    .color(data.map(function(d,i) {
  	                        return d.color || color(d, i);
  	                    }).filter(function(d,i) { return !data[i].disabled }));
  	                gEnter.select('.nv-distWrap').append('g')
  	                    .attr('class', 'nv-distributionX');
  	                g.select('.nv-distributionX')
  	                    .attr('transform', 'translate(0,' + y.range()[0] + ')')
  	                    .datum(data.filter(function(d) { return !d.disabled }))
  	                    .call(distX);
  	            }
  	
  	            if (showDistY) {
  	                distY
  	                    .getData(scatter.y())
  	                    .scale(y)
  	                    .width(availableHeight)
  	                    .color(data.map(function(d,i) {
  	                        return d.color || color(d, i);
  	                    }).filter(function(d,i) { return !data[i].disabled }));
  	                gEnter.select('.nv-distWrap').append('g')
  	                    .attr('class', 'nv-distributionY');
  	                g.select('.nv-distributionY')
  	                    .attr('transform', 'translate(' + (rightAlignYAxis ? availableWidth : -distY.size() ) + ',0)')
  	                    .datum(data.filter(function(d) { return !d.disabled }))
  	                    .call(distY);
  	            }
  	
  	            //============================================================
  	            // Event Handling/Dispatching (in chart's scope)
  	            //------------------------------------------------------------
  	
  	            legend.dispatch.on('stateChange', function(newState) {
  	                for (var key in newState)
  	                    state[key] = newState[key];
  	                dispatch.stateChange(state);
  	                chart.update();
  	            });
  	
  	            // Update chart from a state object passed to event handler
  	            dispatch.on('changeState', function(e) {
  	                if (typeof e.disabled !== 'undefined') {
  	                    data.forEach(function(series,i) {
  	                        series.disabled = e.disabled[i];
  	                    });
  	                    state.disabled = e.disabled;
  	                }
  	                chart.update();
  	            });
  	
  	            // mouseover needs availableHeight so we just keep scatter mouse events inside the chart block
  	            scatter.dispatch.on('elementMouseout.tooltip', function(evt) {
  	                tooltip.hidden(true);
  	                container.select('.nv-chart-' + scatter.id() + ' .nv-series-' + evt.seriesIndex + ' .nv-distx-' + evt.pointIndex)
  	                    .attr('y1', 0);
  	                container.select('.nv-chart-' + scatter.id() + ' .nv-series-' + evt.seriesIndex + ' .nv-disty-' + evt.pointIndex)
  	                    .attr('x2', distY.size());
  	            });
  	
  	            scatter.dispatch.on('elementMouseover.tooltip', function(evt) {
  	                container.select('.nv-series-' + evt.seriesIndex + ' .nv-distx-' + evt.pointIndex)
  	                    .attr('y1', evt.relativePos[1] - availableHeight);
  	                container.select('.nv-series-' + evt.seriesIndex + ' .nv-disty-' + evt.pointIndex)
  	                    .attr('x2', evt.relativePos[0] + distX.size());
  	                tooltip.data(evt).hidden(false);
  	            });
  	
  	            //store old scales for use in transitions on update
  	            x0 = x.copy();
  	            y0 = y.copy();
  	
  	        });
  	
  	        renderWatch.renderEnd('scatter with line immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    // expose chart's sub-components
  	    chart.dispatch = dispatch;
  	    chart.scatter = scatter;
  	    chart.legend = legend;
  	    chart.xAxis = xAxis;
  	    chart.yAxis = yAxis;
  	    chart.distX = distX;
  	    chart.distY = distY;
  	    chart.tooltip = tooltip;
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  	        container:  {get: function(){return container;}, set: function(_){container=_;}},
  	        showDistX:  {get: function(){return showDistX;}, set: function(_){showDistX=_;}},
  	        showDistY:  {get: function(){return showDistY;}, set: function(_){showDistY=_;}},
  	        showLegend: {get: function(){return showLegend;}, set: function(_){showLegend=_;}},
  	        showXAxis:  {get: function(){return showXAxis;}, set: function(_){showXAxis=_;}},
  	        showYAxis:  {get: function(){return showYAxis;}, set: function(_){showYAxis=_;}},
  	        defaultState:     {get: function(){return defaultState;}, set: function(_){defaultState=_;}},
  	        noData:     {get: function(){return noData;}, set: function(_){noData=_;}},
  	        duration:   {get: function(){return duration;}, set: function(_){duration=_;}},
  	        showLabels: {get: function(){return showLabels;}, set: function(_){showLabels=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        rightAlignYAxis: {get: function(){return rightAlignYAxis;}, set: function(_){
  	            rightAlignYAxis = _;
  	            yAxis.orient( (_) ? 'right' : 'left');
  	        }},
  	        color: {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	            legend.color(color);
  	            distX.color(color);
  	            distY.color(color);
  	        }}
  	    });
  	
  	    nv.utils.inheritOptions(chart, scatter);
  	    nv.utils.initOptions(chart);
  	    return chart;
  	};
  	
  	nv.models.sparkline = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 2, right: 0, bottom: 2, left: 0}
  	        , width = 400
  	        , height = 32
  	        , container = null
  	        , animate = true
  	        , x = d3.scale.linear()
  	        , y = d3.scale.linear()
  	        , getX = function(d) { return d.x }
  	        , getY = function(d) { return d.y }
  	        , color = nv.utils.getColor(['#000'])
  	        , xDomain
  	        , yDomain
  	        , xRange
  	        , yRange
  	        , showMinMaxPoints = true
  	        , showCurrentPoint = true
  	        , dispatch = d3.dispatch('renderEnd')
  	        ;
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch);
  	    
  	    function chart(selection) {
  	        renderWatch.reset();
  	        selection.each(function(data) {
  	            var availableWidth = width - margin.left - margin.right,
  	                availableHeight = height - margin.top - margin.bottom;
  	
  	            container = d3.select(this);
  	            nv.utils.initSVG(container);
  	
  	            // Setup Scales
  	            x   .domain(xDomain || d3.extent(data, getX ))
  	                .range(xRange || [0, availableWidth]);
  	
  	            y   .domain(yDomain || d3.extent(data, getY ))
  	                .range(yRange || [availableHeight, 0]);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-sparkline').data([data]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-sparkline');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')')
  	
  	            var paths = wrap.selectAll('path')
  	                .data(function(d) { return [d] });
  	            paths.enter().append('path');
  	            paths.exit().remove();
  	            paths
  	                .style('stroke', function(d,i) { return d.color || color(d, i) })
  	                .attr('d', d3.svg.line()
  	                    .x(function(d,i) { return x(getX(d,i)) })
  	                    .y(function(d,i) { return y(getY(d,i)) })
  	            );
  	
  	            // TODO: Add CURRENT data point (Need Min, Mac, Current / Most recent)
  	            var points = wrap.selectAll('circle.nv-point')
  	                .data(function(data) {
  	                    var yValues = data.map(function(d, i) { return getY(d,i); });
  	                    function pointIndex(index) {
  	                        if (index != -1) {
  	                            var result = data[index];
  	                            result.pointIndex = index;
  	                            return result;
  	                        } else {
  	                            return null;
  	                        }
  	                    }
  	                    var maxPoint = pointIndex(yValues.lastIndexOf(y.domain()[1])),
  	                        minPoint = pointIndex(yValues.indexOf(y.domain()[0])),
  	                        currentPoint = pointIndex(yValues.length - 1);
  	                    return [(showMinMaxPoints ? minPoint : null), (showMinMaxPoints ? maxPoint : null), (showCurrentPoint ? currentPoint : null)].filter(function (d) {return d != null;});
  	                });
  	            points.enter().append('circle');
  	            points.exit().remove();
  	            points
  	                .attr('cx', function(d,i) { return x(getX(d,d.pointIndex)) })
  	                .attr('cy', function(d,i) { return y(getY(d,d.pointIndex)) })
  	                .attr('r', 2)
  	                .attr('class', function(d,i) {
  	                    return getX(d, d.pointIndex) == x.domain()[1] ? 'nv-point nv-currentValue' :
  	                            getY(d, d.pointIndex) == y.domain()[0] ? 'nv-point nv-minValue' : 'nv-point nv-maxValue'
  	                });
  	        });
  	        
  	        renderWatch.renderEnd('sparkline immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:            {get: function(){return width;}, set: function(_){width=_;}},
  	        height:           {get: function(){return height;}, set: function(_){height=_;}},
  	        xDomain:          {get: function(){return xDomain;}, set: function(_){xDomain=_;}},
  	        yDomain:          {get: function(){return yDomain;}, set: function(_){yDomain=_;}},
  	        xRange:           {get: function(){return xRange;}, set: function(_){xRange=_;}},
  	        yRange:           {get: function(){return yRange;}, set: function(_){yRange=_;}},
  	        xScale:           {get: function(){return x;}, set: function(_){x=_;}},
  	        yScale:           {get: function(){return y;}, set: function(_){y=_;}},
  	        animate:          {get: function(){return animate;}, set: function(_){animate=_;}},
  	        showMinMaxPoints: {get: function(){return showMinMaxPoints;}, set: function(_){showMinMaxPoints=_;}},
  	        showCurrentPoint: {get: function(){return showCurrentPoint;}, set: function(_){showCurrentPoint=_;}},
  	
  	        //functor options
  	        x: {get: function(){return getX;}, set: function(_){getX=d3.functor(_);}},
  	        y: {get: function(){return getY;}, set: function(_){getY=d3.functor(_);}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }}
  	    });
  	
  	    chart.dispatch = dispatch;
  	    nv.utils.initOptions(chart);
  	    return chart;
  	};
  	
  	nv.models.sparklinePlus = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var sparkline = nv.models.sparkline();
  	
  	    var margin = {top: 15, right: 100, bottom: 10, left: 50}
  	        , width = null
  	        , height = null
  	        , x
  	        , y
  	        , index = []
  	        , paused = false
  	        , xTickFormat = d3.format(',r')
  	        , yTickFormat = d3.format(',.2f')
  	        , showLastValue = true
  	        , alignValue = true
  	        , rightAlignValue = false
  	        , noData = null
  	        , dispatch = d3.dispatch('renderEnd')
  	        ;
  	        
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch);
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        renderWatch.models(sparkline);
  	        selection.each(function(data) {
  	            var container = d3.select(this);
  	            nv.utils.initSVG(container);
  	
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	            chart.update = function() { container.call(chart); };
  	            chart.container = this;
  	
  	            // Display No Data message if there's nothing to show.
  	            if (!data || !data.length) {
  	                nv.utils.noData(chart, container)
  	                return chart;
  	            } else {
  	                container.selectAll('.nv-noData').remove();
  	            }
  	
  	            var currentValue = sparkline.y()(data[data.length-1], data.length-1);
  	
  	            // Setup Scales
  	            x = sparkline.xScale();
  	            y = sparkline.yScale();
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-sparklineplus').data([data]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-sparklineplus');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-sparklineWrap');
  	            gEnter.append('g').attr('class', 'nv-valueWrap');
  	            gEnter.append('g').attr('class', 'nv-hoverArea');
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            // Main Chart Component(s)
  	            var sparklineWrap = g.select('.nv-sparklineWrap');
  	
  	            sparkline.width(availableWidth).height(availableHeight);
  	            sparklineWrap.call(sparkline);
  	
  	            if (showLastValue) {
  	                var valueWrap = g.select('.nv-valueWrap');
  	                var value = valueWrap.selectAll('.nv-currentValue')
  	                    .data([currentValue]);
  	
  	                value.enter().append('text').attr('class', 'nv-currentValue')
  	                    .attr('dx', rightAlignValue ? -8 : 8)
  	                    .attr('dy', '.9em')
  	                    .style('text-anchor', rightAlignValue ? 'end' : 'start');
  	
  	                value
  	                    .attr('x', availableWidth + (rightAlignValue ? margin.right : 0))
  	                    .attr('y', alignValue ? function (d) {
  	                        return y(d)
  	                    } : 0)
  	                    .style('fill', sparkline.color()(data[data.length - 1], data.length - 1))
  	                    .text(yTickFormat(currentValue));
  	            }
  	
  	            gEnter.select('.nv-hoverArea').append('rect')
  	                .on('mousemove', sparklineHover)
  	                .on('click', function() { paused = !paused })
  	                .on('mouseout', function() { index = []; updateValueLine(); });
  	
  	            g.select('.nv-hoverArea rect')
  	                .attr('transform', function(d) { return 'translate(' + -margin.left + ',' + -margin.top + ')' })
  	                .attr('width', availableWidth + margin.left + margin.right)
  	                .attr('height', availableHeight + margin.top);
  	
  	            //index is currently global (within the chart), may or may not keep it that way
  	            function updateValueLine() {
  	                if (paused) return;
  	
  	                var hoverValue = g.selectAll('.nv-hoverValue').data(index);
  	
  	                var hoverEnter = hoverValue.enter()
  	                    .append('g').attr('class', 'nv-hoverValue')
  	                    .style('stroke-opacity', 0)
  	                    .style('fill-opacity', 0);
  	
  	                hoverValue.exit()
  	                    .transition().duration(250)
  	                    .style('stroke-opacity', 0)
  	                    .style('fill-opacity', 0)
  	                    .remove();
  	
  	                hoverValue
  	                    .attr('transform', function(d) { return 'translate(' + x(sparkline.x()(data[d],d)) + ',0)' })
  	                    .transition().duration(250)
  	                    .style('stroke-opacity', 1)
  	                    .style('fill-opacity', 1);
  	
  	                if (!index.length) return;
  	
  	                hoverEnter.append('line')
  	                    .attr('x1', 0)
  	                    .attr('y1', -margin.top)
  	                    .attr('x2', 0)
  	                    .attr('y2', availableHeight);
  	
  	                hoverEnter.append('text').attr('class', 'nv-xValue')
  	                    .attr('x', -6)
  	                    .attr('y', -margin.top)
  	                    .attr('text-anchor', 'end')
  	                    .attr('dy', '.9em');
  	
  	                g.select('.nv-hoverValue .nv-xValue')
  	                    .text(xTickFormat(sparkline.x()(data[index[0]], index[0])));
  	
  	                hoverEnter.append('text').attr('class', 'nv-yValue')
  	                    .attr('x', 6)
  	                    .attr('y', -margin.top)
  	                    .attr('text-anchor', 'start')
  	                    .attr('dy', '.9em');
  	
  	                g.select('.nv-hoverValue .nv-yValue')
  	                    .text(yTickFormat(sparkline.y()(data[index[0]], index[0])));
  	            }
  	
  	            function sparklineHover() {
  	                if (paused) return;
  	
  	                var pos = d3.mouse(this)[0] - margin.left;
  	
  	                function getClosestIndex(data, x) {
  	                    var distance = Math.abs(sparkline.x()(data[0], 0) - x);
  	                    var closestIndex = 0;
  	                    for (var i = 0; i < data.length; i++){
  	                        if (Math.abs(sparkline.x()(data[i], i) - x) < distance) {
  	                            distance = Math.abs(sparkline.x()(data[i], i) - x);
  	                            closestIndex = i;
  	                        }
  	                    }
  	                    return closestIndex;
  	                }
  	
  	                index = [getClosestIndex(data, Math.round(x.invert(pos)))];
  	                updateValueLine();
  	            }
  	
  	        });
  	        renderWatch.renderEnd('sparklinePlus immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    // expose chart's sub-components
  	    chart.dispatch = dispatch;
  	    chart.sparkline = sparkline;
  	
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:           {get: function(){return width;}, set: function(_){width=_;}},
  	        height:          {get: function(){return height;}, set: function(_){height=_;}},
  	        xTickFormat:     {get: function(){return xTickFormat;}, set: function(_){xTickFormat=_;}},
  	        yTickFormat:     {get: function(){return yTickFormat;}, set: function(_){yTickFormat=_;}},
  	        showLastValue:   {get: function(){return showLastValue;}, set: function(_){showLastValue=_;}},
  	        alignValue:      {get: function(){return alignValue;}, set: function(_){alignValue=_;}},
  	        rightAlignValue: {get: function(){return rightAlignValue;}, set: function(_){rightAlignValue=_;}},
  	        noData:          {get: function(){return noData;}, set: function(_){noData=_;}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }}
  	    });
  	
  	    nv.utils.inheritOptions(chart, sparkline);
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	
  	nv.models.stackedArea = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 0, right: 0, bottom: 0, left: 0}
  	        , width = 960
  	        , height = 500
  	        , color = nv.utils.defaultColor() // a function that computes the color
  	        , id = Math.floor(Math.random() * 100000) //Create semi-unique ID incase user doesn't selet one
  	        , container = null
  	        , getX = function(d) { return d.x } // accessor to get the x value from a data point
  	        , getY = function(d) { return d.y } // accessor to get the y value from a data point
  	        , defined = function(d,i) { return !isNaN(getY(d,i)) && getY(d,i) !== null } // allows a line to be not continuous when it is not defined
  	        , style = 'stack'
  	        , offset = 'zero'
  	        , order = 'default'
  	        , interpolate = 'linear'  // controls the line interpolation
  	        , clipEdge = false // if true, masks lines within x and y scale
  	        , x //can be accessed via chart.xScale()
  	        , y //can be accessed via chart.yScale()
  	        , scatter = nv.models.scatter()
  	        , duration = 250
  	        , dispatch =  d3.dispatch('areaClick', 'areaMouseover', 'areaMouseout','renderEnd', 'elementClick', 'elementMouseover', 'elementMouseout')
  	        ;
  	
  	    scatter
  	        .pointSize(2.2) // default size
  	        .pointDomain([2.2, 2.2]) // all the same size by default
  	    ;
  	
  	    /************************************
  	     * offset:
  	     *   'wiggle' (stream)
  	     *   'zero' (stacked)
  	     *   'expand' (normalize to 100%)
  	     *   'silhouette' (simple centered)
  	     *
  	     * order:
  	     *   'inside-out' (stream)
  	     *   'default' (input order)
  	     ************************************/
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch, duration);
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        renderWatch.models(scatter);
  	        selection.each(function(data) {
  	            var availableWidth = width - margin.left - margin.right,
  	                availableHeight = height - margin.top - margin.bottom;
  	
  	            container = d3.select(this);
  	            nv.utils.initSVG(container);
  	
  	            // Setup Scales
  	            x = scatter.xScale();
  	            y = scatter.yScale();
  	
  	            var dataRaw = data;
  	            // Injecting point index into each point because d3.layout.stack().out does not give index
  	            data.forEach(function(aseries, i) {
  	                aseries.seriesIndex = i;
  	                aseries.values = aseries.values.map(function(d, j) {
  	                    d.index = j;
  	                    d.seriesIndex = i;
  	                    return d;
  	                });
  	            });
  	
  	            var dataFiltered = data.filter(function(series) {
  	                return !series.disabled;
  	            });
  	
  	            data = d3.layout.stack()
  	                .order(order)
  	                .offset(offset)
  	                .values(function(d) { return d.values })  //TODO: make values customizeable in EVERY model in this fashion
  	                .x(getX)
  	                .y(getY)
  	                .out(function(d, y0, y) {
  	                    d.display = {
  	                        y: y,
  	                        y0: y0
  	                    };
  	                })
  	            (dataFiltered);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-stackedarea').data([data]);
  	            var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-stackedarea');
  	            var defsEnter = wrapEnter.append('defs');
  	            var gEnter = wrapEnter.append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-areaWrap');
  	            gEnter.append('g').attr('class', 'nv-scatterWrap');
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	            
  	            // If the user has not specified forceY, make sure 0 is included in the domain
  	            // Otherwise, use user-specified values for forceY
  	            if (scatter.forceY().length == 0) {
  	                scatter.forceY().push(0);
  	            }
  	            
  	            scatter
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .x(getX)
  	                .y(function(d) {
  	                    if (d.display !== undefined) { return d.display.y + d.display.y0; }
  	                })
  	                .color(data.map(function(d,i) {
  	                    d.color = d.color || color(d, d.seriesIndex);
  	                    return d.color;
  	                }));
  	
  	            var scatterWrap = g.select('.nv-scatterWrap')
  	                .datum(data);
  	
  	            scatterWrap.call(scatter);
  	
  	            defsEnter.append('clipPath')
  	                .attr('id', 'nv-edge-clip-' + id)
  	                .append('rect');
  	
  	            wrap.select('#nv-edge-clip-' + id + ' rect')
  	                .attr('width', availableWidth)
  	                .attr('height', availableHeight);
  	
  	            g.attr('clip-path', clipEdge ? 'url(#nv-edge-clip-' + id + ')' : '');
  	
  	            var area = d3.svg.area()
  	                .defined(defined)
  	                .x(function(d,i)  { return x(getX(d,i)) })
  	                .y0(function(d) {
  	                    return y(d.display.y0)
  	                })
  	                .y1(function(d) {
  	                    return y(d.display.y + d.display.y0)
  	                })
  	                .interpolate(interpolate);
  	
  	            var zeroArea = d3.svg.area()
  	                .defined(defined)
  	                .x(function(d,i)  { return x(getX(d,i)) })
  	                .y0(function(d) { return y(d.display.y0) })
  	                .y1(function(d) { return y(d.display.y0) });
  	
  	            var path = g.select('.nv-areaWrap').selectAll('path.nv-area')
  	                .data(function(d) { return d });
  	
  	            path.enter().append('path').attr('class', function(d,i) { return 'nv-area nv-area-' + i })
  	                .attr('d', function(d,i){
  	                    return zeroArea(d.values, d.seriesIndex);
  	                })
  	                .on('mouseover', function(d,i) {
  	                    d3.select(this).classed('hover', true);
  	                    dispatch.areaMouseover({
  	                        point: d,
  	                        series: d.key,
  	                        pos: [d3.event.pageX, d3.event.pageY],
  	                        seriesIndex: d.seriesIndex
  	                    });
  	                })
  	                .on('mouseout', function(d,i) {
  	                    d3.select(this).classed('hover', false);
  	                    dispatch.areaMouseout({
  	                        point: d,
  	                        series: d.key,
  	                        pos: [d3.event.pageX, d3.event.pageY],
  	                        seriesIndex: d.seriesIndex
  	                    });
  	                })
  	                .on('click', function(d,i) {
  	                    d3.select(this).classed('hover', false);
  	                    dispatch.areaClick({
  	                        point: d,
  	                        series: d.key,
  	                        pos: [d3.event.pageX, d3.event.pageY],
  	                        seriesIndex: d.seriesIndex
  	                    });
  	                });
  	
  	            path.exit().remove();
  	            path.style('fill', function(d,i){
  	                    return d.color || color(d, d.seriesIndex)
  	                })
  	                .style('stroke', function(d,i){ return d.color || color(d, d.seriesIndex) });
  	            path.watchTransition(renderWatch,'stackedArea path')
  	                .attr('d', function(d,i) {
  	                    return area(d.values,i)
  	                });
  	
  	            //============================================================
  	            // Event Handling/Dispatching (in chart's scope)
  	            //------------------------------------------------------------
  	
  	            scatter.dispatch.on('elementMouseover.area', function(e) {
  	                g.select('.nv-chart-' + id + ' .nv-area-' + e.seriesIndex).classed('hover', true);
  	            });
  	            scatter.dispatch.on('elementMouseout.area', function(e) {
  	                g.select('.nv-chart-' + id + ' .nv-area-' + e.seriesIndex).classed('hover', false);
  	            });
  	
  	            //Special offset functions
  	            chart.d3_stackedOffset_stackPercent = function(stackData) {
  	                var n = stackData.length,    //How many series
  	                    m = stackData[0].length,     //how many points per series
  	                    i,
  	                    j,
  	                    o,
  	                    y0 = [];
  	
  	                for (j = 0; j < m; ++j) { //Looping through all points
  	                    for (i = 0, o = 0; i < dataRaw.length; i++) { //looping through all series
  	                        o += getY(dataRaw[i].values[j]); //total y value of all series at a certian point in time.
  	                    }
  	
  	                    if (o) for (i = 0; i < n; i++) { //(total y value of all series at point in time i) != 0
  	                        stackData[i][j][1] /= o;
  	                    } else { //(total y value of all series at point in time i) == 0
  	                        for (i = 0; i < n; i++) {
  	                            stackData[i][j][1] = 0;
  	                        }
  	                    }
  	                }
  	                for (j = 0; j < m; ++j) y0[j] = 0;
  	                return y0;
  	            };
  	
  	        });
  	
  	        renderWatch.renderEnd('stackedArea immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Global getters and setters
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.scatter = scatter;
  	
  	    scatter.dispatch.on('elementClick', function(){ dispatch.elementClick.apply(this, arguments); });
  	    scatter.dispatch.on('elementMouseover', function(){ dispatch.elementMouseover.apply(this, arguments); });
  	    scatter.dispatch.on('elementMouseout', function(){ dispatch.elementMouseout.apply(this, arguments); });
  	
  	    chart.interpolate = function(_) {
  	        if (!arguments.length) return interpolate;
  	        interpolate = _;
  	        return chart;
  	    };
  	
  	    chart.duration = function(_) {
  	        if (!arguments.length) return duration;
  	        duration = _;
  	        renderWatch.reset(duration);
  	        scatter.duration(duration);
  	        return chart;
  	    };
  	
  	    chart.dispatch = dispatch;
  	    chart.scatter = scatter;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  	        defined: {get: function(){return defined;}, set: function(_){defined=_;}},
  	        clipEdge: {get: function(){return clipEdge;}, set: function(_){clipEdge=_;}},
  	        offset:      {get: function(){return offset;}, set: function(_){offset=_;}},
  	        order:    {get: function(){return order;}, set: function(_){order=_;}},
  	        interpolate:    {get: function(){return interpolate;}, set: function(_){interpolate=_;}},
  	
  	        // simple functor options
  	        x:     {get: function(){return getX;}, set: function(_){getX = d3.functor(_);}},
  	        y:     {get: function(){return getY;}, set: function(_){getY = d3.functor(_);}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	        }},
  	        style: {get: function(){return style;}, set: function(_){
  	            style = _;
  	            switch (style) {
  	                case 'stack':
  	                    chart.offset('zero');
  	                    chart.order('default');
  	                    break;
  	                case 'stream':
  	                    chart.offset('wiggle');
  	                    chart.order('inside-out');
  	                    break;
  	                case 'stream-center':
  	                    chart.offset('silhouette');
  	                    chart.order('inside-out');
  	                    break;
  	                case 'expand':
  	                    chart.offset('expand');
  	                    chart.order('default');
  	                    break;
  	                case 'stack_percent':
  	                    chart.offset(chart.d3_stackedOffset_stackPercent);
  	                    chart.order('default');
  	                    break;
  	            }
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	            scatter.duration(duration);
  	        }}
  	    });
  	
  	    nv.utils.inheritOptions(chart, scatter);
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	
  	nv.models.stackedAreaChart = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var stacked = nv.models.stackedArea()
  	        , xAxis = nv.models.axis()
  	        , yAxis = nv.models.axis()
  	        , legend = nv.models.legend()
  	        , controls = nv.models.legend()
  	        , interactiveLayer = nv.interactiveGuideline()
  	        , tooltip = nv.models.tooltip()
  	        , focus = nv.models.focus(nv.models.stackedArea())
  	        ;
  	
  	    var margin = {top: 30, right: 25, bottom: 50, left: 60}
  	        , width = null
  	        , height = null
  	        , color = nv.utils.defaultColor()
  	        , showControls = true
  	        , showLegend = true
  	        , showXAxis = true
  	        , showYAxis = true
  	        , rightAlignYAxis = false
  	        , focusEnable = false
  	        , useInteractiveGuideline = false
  	        , showTotalInTooltip = true
  	        , totalLabel = 'TOTAL'
  	        , x //can be accessed via chart.xScale()
  	        , y //can be accessed via chart.yScale()
  	        , state = nv.utils.state()
  	        , defaultState = null
  	        , noData = null
  	        , dispatch = d3.dispatch('stateChange', 'changeState','renderEnd')
  	        , controlWidth = 250
  	        , controlOptions = ['Stacked','Stream','Expanded']
  	        , controlLabels = {}
  	        , duration = 250
  	        ;
  	
  	    state.style = stacked.style();
  	    xAxis.orient('bottom').tickPadding(7);
  	    yAxis.orient((rightAlignYAxis) ? 'right' : 'left');
  	
  	    tooltip
  	        .headerFormatter(function(d, i) {
  	            return xAxis.tickFormat()(d, i);
  	        })
  	        .valueFormatter(function(d, i) {
  	            return yAxis.tickFormat()(d, i);
  	        });
  	
  	    interactiveLayer.tooltip
  	        .headerFormatter(function(d, i) {
  	            return xAxis.tickFormat()(d, i);
  	        })
  	        .valueFormatter(function(d, i) {
  	            return d == null ? "N/A" : yAxis.tickFormat()(d, i);
  	        });
  	
  	    var oldYTickFormat = null,
  	        oldValueFormatter = null;
  	
  	    controls.updateState(false);
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch);
  	    var style = stacked.style();
  	
  	    var stateGetter = function(data) {
  	        return function(){
  	            return {
  	                active: data.map(function(d) { return !d.disabled }),
  	                style: stacked.style()
  	            };
  	        }
  	    };
  	
  	    var stateSetter = function(data) {
  	        return function(state) {
  	            if (state.style !== undefined)
  	                style = state.style;
  	            if (state.active !== undefined)
  	                data.forEach(function(series,i) {
  	                    series.disabled = !state.active[i];
  	                });
  	        }
  	    };
  	
  	    var percentFormatter = d3.format('%');
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        renderWatch.models(stacked);
  	        if (showXAxis) renderWatch.models(xAxis);
  	        if (showYAxis) renderWatch.models(yAxis);
  	
  	        selection.each(function(data) {
  	            var container = d3.select(this),
  	                that = this;
  	            nv.utils.initSVG(container);
  	
  	            var availableWidth = nv.utils.availableWidth(width, container, margin),
  	                availableHeight = nv.utils.availableHeight(height, container, margin) - (focusEnable ? focus.height() : 0);
  	
  	            chart.update = function() { container.transition().duration(duration).call(chart); };
  	            chart.container = this;
  	
  	            state
  	                .setter(stateSetter(data), chart.update)
  	                .getter(stateGetter(data))
  	                .update();
  	
  	            // DEPRECATED set state.disabled
  	            state.disabled = data.map(function(d) { return !!d.disabled });
  	
  	            if (!defaultState) {
  	                var key;
  	                defaultState = {};
  	                for (key in state) {
  	                    if (state[key] instanceof Array)
  	                        defaultState[key] = state[key].slice(0);
  	                    else
  	                        defaultState[key] = state[key];
  	                }
  	            }
  	
  	            // Display No Data message if there's nothing to show.
  	            if (!data || !data.length || !data.filter(function(d) { return d.values.length }).length) {
  	                nv.utils.noData(chart, container)
  	                return chart;
  	            } else {
  	                container.selectAll('.nv-noData').remove();
  	            }
  	            // Setup Scales
  	            x = stacked.xScale();
  	            y = stacked.yScale();
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.selectAll('g.nv-wrap.nv-stackedAreaChart').data([data]);
  	            var gEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-stackedAreaChart').append('g');
  	            var g = wrap.select('g');
  	
  	            gEnter.append('g').attr('class', 'nv-legendWrap');
  	            gEnter.append('g').attr('class', 'nv-controlsWrap');
  	
  	            var focusEnter = gEnter.append('g').attr('class', 'nv-focus');
  	            focusEnter.append('g').attr('class', 'nv-background').append('rect');
  	            focusEnter.append('g').attr('class', 'nv-x nv-axis');
  	            focusEnter.append('g').attr('class', 'nv-y nv-axis');
  	            focusEnter.append('g').attr('class', 'nv-stackedWrap');
  	            focusEnter.append('g').attr('class', 'nv-interactive');
  	
  	            // g.select("rect").attr("width",availableWidth).attr("height",availableHeight);
  	
  	            var contextEnter = gEnter.append('g').attr('class', 'nv-focusWrap');
  	
  	            // Legend
  	            if (!showLegend) {
  	                g.select('.nv-legendWrap').selectAll('*').remove();
  	            } else {
  	                var legendWidth = (showControls) ? availableWidth - controlWidth : availableWidth;
  	
  	                legend.width(legendWidth);
  	                g.select('.nv-legendWrap').datum(data).call(legend);
  	
  	                if (legend.height() > margin.top) {
  	                    margin.top = legend.height();
  	                    availableHeight = nv.utils.availableHeight(height, container, margin) - (focusEnable ? focus.height() : 0);
  	                }
  	
  	                g.select('.nv-legendWrap')
  	                    .attr('transform', 'translate(' + (availableWidth-legendWidth) + ',' + (-margin.top) +')');
  	            }
  	
  	            // Controls
  	            if (!showControls) {
  	                 g.select('.nv-controlsWrap').selectAll('*').remove();
  	            } else {
  	                var controlsData = [
  	                    {
  	                        key: controlLabels.stacked || 'Stacked',
  	                        metaKey: 'Stacked',
  	                        disabled: stacked.style() != 'stack',
  	                        style: 'stack'
  	                    },
  	                    {
  	                        key: controlLabels.stream || 'Stream',
  	                        metaKey: 'Stream',
  	                        disabled: stacked.style() != 'stream',
  	                        style: 'stream'
  	                    },
  	                    {
  	                        key: controlLabels.expanded || 'Expanded',
  	                        metaKey: 'Expanded',
  	                        disabled: stacked.style() != 'expand',
  	                        style: 'expand'
  	                    },
  	                    {
  	                        key: controlLabels.stack_percent || 'Stack %',
  	                        metaKey: 'Stack_Percent',
  	                        disabled: stacked.style() != 'stack_percent',
  	                        style: 'stack_percent'
  	                    }
  	                ];
  	
  	                controlWidth = (controlOptions.length/3) * 260;
  	                controlsData = controlsData.filter(function(d) {
  	                    return controlOptions.indexOf(d.metaKey) !== -1;
  	                });
  	
  	                controls
  	                    .width( controlWidth )
  	                    .color(['#444', '#444', '#444']);
  	
  	                g.select('.nv-controlsWrap')
  	                    .datum(controlsData)
  	                    .call(controls);
  	
  	                if (Math.max(controls.height(), legend.height()) > margin.top) {
  	                    margin.top = Math.max(controls.height(), legend.height());
  	                    availableHeight = nv.utils.availableHeight(height, container, margin);
  	                }
  	
  	                g.select('.nv-controlsWrap')
  	                    .attr('transform', 'translate(0,' + (-margin.top) +')');
  	            }
  	
  	            wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  	
  	            if (rightAlignYAxis) {
  	                g.select(".nv-y.nv-axis")
  	                    .attr("transform", "translate(" + availableWidth + ",0)");
  	            }
  	
  	            //Set up interactive layer
  	            if (useInteractiveGuideline) {
  	                interactiveLayer
  	                    .width(availableWidth)
  	                    .height(availableHeight)
  	                    .margin({left: margin.left, top: margin.top})
  	                    .svgContainer(container)
  	                    .xScale(x);
  	                wrap.select(".nv-interactive").call(interactiveLayer);
  	            }
  	
  	            g.select('.nv-focus .nv-background rect')
  	                .attr('width', availableWidth)
  	                .attr('height', availableHeight);
  	
  	            stacked
  	                .width(availableWidth)
  	                .height(availableHeight)
  	                .color(data.map(function(d,i) {
  	                    return d.color || color(d, i);
  	                }).filter(function(d,i) { return !data[i].disabled; }));
  	
  	            var stackedWrap = g.select('.nv-focus .nv-stackedWrap')
  	                .datum(data.filter(function(d) { return !d.disabled; }));
  	
  	            // Setup Axes
  	            if (showXAxis) {
  	                xAxis.scale(x)
  	                    ._ticks( nv.utils.calcTicksX(availableWidth/100, data) )
  	                    .tickSize( -availableHeight, 0);
  	            }
  	
  	            if (showYAxis) {
  	                var ticks;
  	                if (stacked.offset() === 'wiggle') {
  	                    ticks = 0;
  	                }
  	                else {
  	                    ticks = nv.utils.calcTicksY(availableHeight/36, data);
  	                }
  	                yAxis.scale(y)
  	                    ._ticks(ticks)
  	                    .tickSize(-availableWidth, 0);
  	            }
  	
  	            //============================================================
  	            // Update Axes
  	            //============================================================
  	            function updateXAxis() {
  	                if(showXAxis) {
  	                    g.select('.nv-focus .nv-x.nv-axis')
  	                        .attr('transform', 'translate(0,' + availableHeight + ')')
  	                        .transition()
  	                        .duration(duration)
  	                        .call(xAxis)
  	                        ;
  	                }
  	            }
  	
  	            function updateYAxis() {
  	                if(showYAxis) {
  	                    if (stacked.style() === 'expand' || stacked.style() === 'stack_percent') {
  	                        var currentFormat = yAxis.tickFormat();
  	
  	                        if ( !oldYTickFormat || currentFormat !== percentFormatter )
  	                            oldYTickFormat = currentFormat;
  	
  	                        //Forces the yAxis to use percentage in 'expand' mode.
  	                        yAxis.tickFormat(percentFormatter);
  	                    }
  	                    else {
  	                        if (oldYTickFormat) {
  	                            yAxis.tickFormat(oldYTickFormat);
  	                            oldYTickFormat = null;
  	                        }
  	                    }
  	
  	                    g.select('.nv-focus .nv-y.nv-axis')
  	                    .transition().duration(0)
  	                    .call(yAxis);
  	                }
  	            }
  	
  	            //============================================================
  	            // Update Focus
  	            //============================================================
  	            if(!focusEnable) {
  	                stackedWrap.transition().call(stacked);
  	                updateXAxis();
  	                updateYAxis();
  	            } else {
  	                focus.width(availableWidth);
  	                g.select('.nv-focusWrap')
  	                    .attr('transform', 'translate(0,' + ( availableHeight + margin.bottom + focus.margin().top) + ')')
  	                    .datum(data.filter(function(d) { return !d.disabled; }))
  	                    .call(focus);
  	                var extent = focus.brush.empty() ? focus.xDomain() : focus.brush.extent();
  	                if(extent !== null){
  	                    onBrush(extent);
  	                }
  	            }
  	
  	            //============================================================
  	            // Event Handling/Dispatching (in chart's scope)
  	            //------------------------------------------------------------
  	
  	            stacked.dispatch.on('areaClick.toggle', function(e) {
  	                if (data.filter(function(d) { return !d.disabled }).length === 1)
  	                    data.forEach(function(d) {
  	                        d.disabled = false;
  	                    });
  	                else
  	                    data.forEach(function(d,i) {
  	                        d.disabled = (i != e.seriesIndex);
  	                    });
  	
  	                state.disabled = data.map(function(d) { return !!d.disabled });
  	                dispatch.stateChange(state);
  	
  	                chart.update();
  	            });
  	
  	            legend.dispatch.on('stateChange', function(newState) {
  	                for (var key in newState)
  	                    state[key] = newState[key];
  	                dispatch.stateChange(state);
  	                chart.update();
  	            });
  	
  	            controls.dispatch.on('legendClick', function(d,i) {
  	                if (!d.disabled) return;
  	
  	                controlsData = controlsData.map(function(s) {
  	                    s.disabled = true;
  	                    return s;
  	                });
  	                d.disabled = false;
  	
  	                stacked.style(d.style);
  	
  	
  	                state.style = stacked.style();
  	                dispatch.stateChange(state);
  	
  	                chart.update();
  	            });
  	
  	            interactiveLayer.dispatch.on('elementMousemove', function(e) {
  	                stacked.clearHighlights();
  	                var singlePoint, pointIndex, pointXLocation, allData = [], valueSum = 0, allNullValues = true;
  	                data
  	                    .filter(function(series, i) {
  	                        series.seriesIndex = i;
  	                        return !series.disabled;
  	                    })
  	                    .forEach(function(series,i) {
  	                        pointIndex = nv.interactiveBisect(series.values, e.pointXValue, chart.x());
  	                        var point = series.values[pointIndex];
  	                        var pointYValue = chart.y()(point, pointIndex);
  	                        if (pointYValue != null) {
  	                            stacked.highlightPoint(i, pointIndex, true);
  	                        }
  	                        if (typeof point === 'undefined') return;
  	                        if (typeof singlePoint === 'undefined') singlePoint = point;
  	                        if (typeof pointXLocation === 'undefined') pointXLocation = chart.xScale()(chart.x()(point,pointIndex));
  	
  	                        //If we are in 'expand' mode, use the stacked percent value instead of raw value.
  	                        var tooltipValue = (stacked.style() == 'expand') ? point.display.y : chart.y()(point,pointIndex);
  	                        allData.push({
  	                            key: series.key,
  	                            value: tooltipValue,
  	                            color: color(series,series.seriesIndex),
  	                            point: point
  	                        });
  	
  	                        if (showTotalInTooltip && stacked.style() != 'expand' && tooltipValue != null) {
  	                          valueSum += tooltipValue;
  	                          allNullValues = false;
  	                        };
  	                    });
  	
  	                allData.reverse();
  	
  	                //Highlight the tooltip entry based on which stack the mouse is closest to.
  	                if (allData.length > 2) {
  	                    var yValue = chart.yScale().invert(e.mouseY);
  	                    var yDistMax = Infinity, indexToHighlight = null;
  	                    allData.forEach(function(series,i) {
  	
  	                        //To handle situation where the stacked area chart is negative, we need to use absolute values
  	                        //when checking if the mouse Y value is within the stack area.
  	                        yValue = Math.abs(yValue);
  	                        var stackedY0 = Math.abs(series.point.display.y0);
  	                        var stackedY = Math.abs(series.point.display.y);
  	                        if ( yValue >= stackedY0 && yValue <= (stackedY + stackedY0))
  	                        {
  	                            indexToHighlight = i;
  	                            return;
  	                        }
  	                    });
  	                    if (indexToHighlight != null)
  	                        allData[indexToHighlight].highlight = true;
  	                }
  	
  	                //If we are not in 'expand' mode, add a 'Total' row to the tooltip.
  	                if (showTotalInTooltip && stacked.style() != 'expand' && allData.length >= 2 && !allNullValues) {
  	                    allData.push({
  	                        key: totalLabel,
  	                        value: valueSum,
  	                        total: true
  	                    });
  	                }
  	
  	                var xValue = chart.x()(singlePoint,pointIndex);
  	
  	                var valueFormatter = interactiveLayer.tooltip.valueFormatter();
  	                // Keeps track of the tooltip valueFormatter if the chart changes to expanded view
  	                if (stacked.style() === 'expand' || stacked.style() === 'stack_percent') {
  	                    if ( !oldValueFormatter ) {
  	                        oldValueFormatter = valueFormatter;
  	                    }
  	                    //Forces the tooltip to use percentage in 'expand' mode.
  	                    valueFormatter = d3.format(".1%");
  	                }
  	                else {
  	                    if (oldValueFormatter) {
  	                        valueFormatter = oldValueFormatter;
  	                        oldValueFormatter = null;
  	                    }
  	                }
  	
  	                interactiveLayer.tooltip
  	                    .valueFormatter(valueFormatter)
  	                    .data(
  	                    {
  	                        value: xValue,
  	                        series: allData
  	                    }
  	                )();
  	
  	                interactiveLayer.renderGuideLine(pointXLocation);
  	
  	            });
  	
  	            interactiveLayer.dispatch.on("elementMouseout",function(e) {
  	                stacked.clearHighlights();
  	            });
  	
  	            /* Update `main' graph on brush update. */
  	            focus.dispatch.on("onBrush", function(extent) {
  	                onBrush(extent);
  	            });
  	
  	            // Update chart from a state object passed to event handler
  	            dispatch.on('changeState', function(e) {
  	
  	                if (typeof e.disabled !== 'undefined' && data.length === e.disabled.length) {
  	                    data.forEach(function(series,i) {
  	                        series.disabled = e.disabled[i];
  	                    });
  	
  	                    state.disabled = e.disabled;
  	                }
  	
  	                if (typeof e.style !== 'undefined') {
  	                    stacked.style(e.style);
  	                    style = e.style;
  	                }
  	
  	                chart.update();
  	            });
  	
  	            //============================================================
  	            // Functions
  	            //------------------------------------------------------------
  	
  	            function onBrush(extent) {
  	                // Update Main (Focus)
  	                var stackedWrap = g.select('.nv-focus .nv-stackedWrap')
  	                    .datum(
  	                    data.filter(function(d) { return !d.disabled; })
  	                        .map(function(d,i) {
  	                            return {
  	                                key: d.key,
  	                                area: d.area,
  	                                classed: d.classed,
  	                                values: d.values.filter(function(d,i) {
  	                                    return stacked.x()(d,i) >= extent[0] && stacked.x()(d,i) <= extent[1];
  	                                }),
  	                                disableTooltip: d.disableTooltip
  	                            };
  	                        })
  	                );
  	                stackedWrap.transition().duration(duration).call(stacked);
  	
  	                // Update Main (Focus) Axes
  	                updateXAxis();
  	                updateYAxis();
  	            }
  	
  	        });
  	
  	        renderWatch.renderEnd('stacked Area chart immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Event Handling/Dispatching (out of chart's scope)
  	    //------------------------------------------------------------
  	
  	    stacked.dispatch.on('elementMouseover.tooltip', function(evt) {
  	        evt.point['x'] = stacked.x()(evt.point);
  	        evt.point['y'] = stacked.y()(evt.point);
  	        tooltip.data(evt).hidden(false);
  	    });
  	
  	    stacked.dispatch.on('elementMouseout.tooltip', function(evt) {
  	        tooltip.hidden(true)
  	    });
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    // expose chart's sub-components
  	    chart.dispatch = dispatch;
  	    chart.stacked = stacked;
  	    chart.legend = legend;
  	    chart.controls = controls;
  	    chart.xAxis = xAxis;
  	    chart.x2Axis = focus.xAxis;
  	    chart.yAxis = yAxis;
  	    chart.y2Axis = focus.yAxis;
  	    chart.interactiveLayer = interactiveLayer;
  	    chart.tooltip = tooltip;
  	    chart.focus = focus;
  	
  	    chart.dispatch = dispatch;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  	        showLegend: {get: function(){return showLegend;}, set: function(_){showLegend=_;}},
  	        showXAxis:      {get: function(){return showXAxis;}, set: function(_){showXAxis=_;}},
  	        showYAxis:    {get: function(){return showYAxis;}, set: function(_){showYAxis=_;}},
  	        defaultState:    {get: function(){return defaultState;}, set: function(_){defaultState=_;}},
  	        noData:    {get: function(){return noData;}, set: function(_){noData=_;}},
  	        showControls:    {get: function(){return showControls;}, set: function(_){showControls=_;}},
  	        controlLabels:    {get: function(){return controlLabels;}, set: function(_){controlLabels=_;}},
  	        controlOptions:    {get: function(){return controlOptions;}, set: function(_){controlOptions=_;}},
  	        showTotalInTooltip:      {get: function(){return showTotalInTooltip;}, set: function(_){showTotalInTooltip=_;}},
  	        totalLabel:      {get: function(){return totalLabel;}, set: function(_){totalLabel=_;}},
  	        focusEnable:    {get: function(){return focusEnable;}, set: function(_){focusEnable=_;}},
  	        focusHeight:     {get: function(){return focus.height();}, set: function(_){focus.height(_);}},
  	        brushExtent: {get: function(){return focus.brushExtent();}, set: function(_){focus.brushExtent(_);}},
  	
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	        }},
  	        focusMargin: {get: function(){return focus.margin}, set: function(_){
  	            focus.margin.top    = _.top    !== undefined ? _.top    : focus.margin.top;
  	            focus.margin.right  = _.right  !== undefined ? _.right  : focus.margin.right;
  	            focus.margin.bottom = _.bottom !== undefined ? _.bottom : focus.margin.bottom;
  	            focus.margin.left   = _.left   !== undefined ? _.left   : focus.margin.left;
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	            stacked.duration(duration);
  	            xAxis.duration(duration);
  	            yAxis.duration(duration);
  	        }},
  	        color:  {get: function(){return color;}, set: function(_){
  	            color = nv.utils.getColor(_);
  	            legend.color(color);
  	            stacked.color(color);
  	            focus.color(color);
  	        }},
  	        x: {get: function(){return stacked.x();}, set: function(_){
  	            stacked.x(_);
  	            focus.x(_);
  	        }},
  	        y: {get: function(){return stacked.y();}, set: function(_){
  	            stacked.y(_);
  	            focus.y(_);
  	        }},
  	        rightAlignYAxis: {get: function(){return rightAlignYAxis;}, set: function(_){
  	            rightAlignYAxis = _;
  	            yAxis.orient( rightAlignYAxis ? 'right' : 'left');
  	        }},
  	        useInteractiveGuideline: {get: function(){return useInteractiveGuideline;}, set: function(_){
  	            useInteractiveGuideline = !!_;
  	            chart.interactive(!_);
  	            chart.useVoronoi(!_);
  	            stacked.scatter.interactive(!_);
  	        }}
  	    });
  	
  	    nv.utils.inheritOptions(chart, stacked);
  	    nv.utils.initOptions(chart);
  	
  	    return chart;
  	};
  	
  	nv.models.stackedAreaWithFocusChart = function() {
  	  return nv.models.stackedAreaChart()
  	    .margin({ bottom: 30 })
  	    .focusEnable( true );
  	};
  	// based on http://bl.ocks.org/kerryrodden/477c1bfb081b783f80ad
  	nv.models.sunburst = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var margin = {top: 0, right: 0, bottom: 0, left: 0}
  	        , width = 600
  	        , height = 600
  	        , mode = "count"
  	        , modes = {count: function(d) { return 1; }, value: function(d) { return d.value || d.size }, size: function(d) { return d.value || d.size }}
  	        , id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
  	        , container = null
  	        , color = nv.utils.defaultColor()
  	        , showLabels = false
  	        , labelFormat = function(d){if(mode === 'count'){return d.name + ' #' + d.value}else{return d.name + ' ' + (d.value || d.size)}}
  	        , labelThreshold = 0.02
  	        , sort = function(d1, d2){return d1.name > d2.name;}
  	        , key = function(d,i){return d.name;}
  	        , groupColorByParent = true
  	        , duration = 500
  	        , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMousemove', 'elementMouseover', 'elementMouseout', 'renderEnd');
  	
  	    //============================================================
  	    // aux functions and setup
  	    //------------------------------------------------------------
  	
  	    var x = d3.scale.linear().range([0, 2 * Math.PI]);
  	    var y = d3.scale.sqrt();
  	
  	    var partition = d3.layout.partition().sort(sort);
  	
  	    var node, availableWidth, availableHeight, radius;
  	    var prevPositions = {};
  	
  	    var arc = d3.svg.arc()
  	        .startAngle(function(d) {return Math.max(0, Math.min(2 * Math.PI, x(d.x))) })
  	        .endAngle(function(d) {return Math.max(0, Math.min(2 * Math.PI, x(d.x + d.dx))) })
  	        .innerRadius(function(d) {return Math.max(0, y(d.y)) })
  	        .outerRadius(function(d) {return Math.max(0, y(d.y + d.dy)) });
  	
  	    function rotationToAvoidUpsideDown(d) {
  	        var centerAngle = computeCenterAngle(d);
  	        if(centerAngle > 90){
  	            return 180;
  	        }
  	        else {
  	            return 0;
  	        }
  	    }
  	
  	    function computeCenterAngle(d) {
  	        var startAngle = Math.max(0, Math.min(2 * Math.PI, x(d.x)));
  	        var endAngle = Math.max(0, Math.min(2 * Math.PI, x(d.x + d.dx)));
  	        var centerAngle = (((startAngle + endAngle) / 2) * (180 / Math.PI)) - 90;
  	        return centerAngle;
  	    }
  	
  	    function computeNodePercentage(d) {
  	        var startAngle = Math.max(0, Math.min(2 * Math.PI, x(d.x)));
  	        var endAngle = Math.max(0, Math.min(2 * Math.PI, x(d.x + d.dx)));
  	        return (endAngle - startAngle) / (2 * Math.PI);
  	    }
  	
  	    function labelThresholdMatched(d) {
  	        var startAngle = Math.max(0, Math.min(2 * Math.PI, x(d.x)));
  	        var endAngle = Math.max(0, Math.min(2 * Math.PI, x(d.x + d.dx)));
  	
  	        var size = endAngle - startAngle;
  	        return size > labelThreshold;
  	    }
  	
  	    // When zooming: interpolate the scales.
  	    function arcTweenZoom(e,i) {
  	        var xd = d3.interpolate(x.domain(), [node.x, node.x + node.dx]),
  	        yd = d3.interpolate(y.domain(), [node.y, 1]),
  	        yr = d3.interpolate(y.range(), [node.y ? 20 : 0, radius]);
  	
  	        if (i === 0) {
  	            return function() {return arc(e);}
  	        }
  	        else {
  	            return function (t) {
  	                x.domain(xd(t));
  	                y.domain(yd(t)).range(yr(t));
  	                return arc(e);
  	            }
  	        };
  	    }
  	
  	    function arcTweenUpdate(d) {
  	        var ipo = d3.interpolate({x: d.x0, dx: d.dx0, y: d.y0, dy: d.dy0}, d);
  	
  	        return function (t) {
  	            var b = ipo(t);
  	
  	            d.x0 = b.x;
  	            d.dx0 = b.dx;
  	            d.y0 = b.y;
  	            d.dy0 = b.dy;
  	
  	            return arc(b);
  	        };
  	    }
  	
  	    function updatePrevPosition(node) {
  	        var k = key(node);
  	        if(! prevPositions[k]) prevPositions[k] = {};
  	        var pP = prevPositions[k];
  	        pP.dx = node.dx;
  	        pP.x = node.x;
  	        pP.dy = node.dy;
  	        pP.y = node.y;
  	    }
  	
  	    function storeRetrievePrevPositions(nodes) {
  	        nodes.forEach(function(n){
  	            var k = key(n);
  	            var pP = prevPositions[k];
  	            //console.log(k,n,pP);
  	            if( pP ){
  	                n.dx0 = pP.dx;
  	                n.x0 = pP.x;
  	                n.dy0 = pP.dy;
  	                n.y0 = pP.y;
  	            }
  	            else {
  	                n.dx0 = n.dx;
  	                n.x0 = n.x;
  	                n.dy0 = n.dy;
  	                n.y0 = n.y;
  	            }
  	            updatePrevPosition(n);
  	        });
  	    }
  	
  	    function zoomClick(d) {
  	        var labels = container.selectAll('text')
  	        var path = container.selectAll('path')
  	
  	        // fade out all text elements
  	        labels.transition().attr("opacity",0);
  	
  	        // to allow reference to the new center node
  	        node = d;
  	
  	        path.transition()
  	            .duration(duration)
  	            .attrTween("d", arcTweenZoom)
  	            .each('end', function(e) {
  	                // partially taken from here: http://bl.ocks.org/metmajer/5480307
  	                // check if the animated element's data e lies within the visible angle span given in d
  	                if(e.x >= d.x && e.x < (d.x + d.dx) ){
  	                    if(e.depth >= d.depth){
  	                        // get a selection of the associated text element
  	                        var parentNode = d3.select(this.parentNode);
  	                        var arcText = parentNode.select('text');
  	
  	                        // fade in the text element and recalculate positions
  	                        arcText.transition().duration(duration)
  	                        .text( function(e){return labelFormat(e) })
  	                        .attr("opacity", function(d){
  	                            if(labelThresholdMatched(d)) {
  	                                return 1;
  	                            }
  	                            else {
  	                                return 0;
  	                            }
  	                        })
  	                        .attr("transform", function() {
  	                            var width = this.getBBox().width;
  	                            if(e.depth === 0)
  	                            return "translate(" + (width / 2 * - 1) + ",0)";
  	                            else if(e.depth === d.depth){
  	                                return "translate(" + (y(e.y) + 5) + ",0)";
  	                            }
  	                            else {
  	                                var centerAngle = computeCenterAngle(e);
  	                                var rotation = rotationToAvoidUpsideDown(e);
  	                                if (rotation === 0) {
  	                                    return 'rotate('+ centerAngle +')translate(' + (y(e.y) + 5) + ',0)';
  	                                }
  	                                else {
  	                                    return 'rotate('+ centerAngle +')translate(' + (y(e.y) + width + 5) + ',0)rotate(' + rotation + ')';
  	                                }
  	                            }
  	                        });
  	                    }
  	                }
  	            })
  	    }
  	
  	    //============================================================
  	    // chart function
  	    //------------------------------------------------------------
  	    var renderWatch = nv.utils.renderWatch(dispatch);
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	
  	        selection.each(function(data) {
  	            container = d3.select(this);
  	            availableWidth = nv.utils.availableWidth(width, container, margin);
  	            availableHeight = nv.utils.availableHeight(height, container, margin);
  	            radius = Math.min(availableWidth, availableHeight) / 2;
  	
  	            y.range([0, radius]);
  	
  	            // Setup containers and skeleton of chart
  	            var wrap = container.select('g.nvd3.nv-wrap.nv-sunburst');
  	            if( !wrap[0][0] ) {
  	                wrap = container.append('g')
  	                    .attr('class', 'nvd3 nv-wrap nv-sunburst nv-chart-' + id)
  	                    .attr('transform', 'translate(' + ((availableWidth / 2) + margin.left + margin.right) + ',' + ((availableHeight / 2) + margin.top + margin.bottom) + ')');
  	            } else {
  	                wrap.attr('transform', 'translate(' + ((availableWidth / 2) + margin.left + margin.right) + ',' + ((availableHeight / 2) + margin.top + margin.bottom) + ')');
  	            }
  	
  	            container.on('click', function (d, i) {
  	                dispatch.chartClick({
  	                    data: d,
  	                    index: i,
  	                    pos: d3.event,
  	                    id: id
  	                });
  	            });
  	
  	            partition.value(modes[mode] || modes["count"]);
  	
  	            //reverse the drawing order so that the labels of inner
  	            //arcs are drawn on top of the outer arcs.
  	            var nodes = partition.nodes(data[0]).reverse()
  	
  	            storeRetrievePrevPositions(nodes);
  	            var cG = wrap.selectAll('.arc-container').data(nodes, key)
  	
  	            //handle new datapoints
  	            var cGE = cG.enter()
  	                .append("g")
  	                .attr("class",'arc-container')
  	
  	            cGE.append("path")
  	                .attr("d", arc)
  	                .style("fill", function (d) {
  	                    if (d.color) {
  	                        return d.color;
  	                    }
  	                    else if (groupColorByParent) {
  	                        return color((d.children ? d : d.parent).name);
  	                    }
  	                    else {
  	                        return color(d.name);
  	                    }
  	                })
  	                .style("stroke", "#FFF")
  	                .on("click", zoomClick)
  	                .on('mouseover', function(d,i){
  	                    d3.select(this).classed('hover', true).style('opacity', 0.8);
  	                    dispatch.elementMouseover({
  	                        data: d,
  	                        color: d3.select(this).style("fill"),
  	                        percent: computeNodePercentage(d)
  	                    });
  	                })
  	                .on('mouseout', function(d,i){
  	                    d3.select(this).classed('hover', false).style('opacity', 1);
  	                    dispatch.elementMouseout({
  	                        data: d
  	                    });
  	                })
  	                .on('mousemove', function(d,i){
  	                    dispatch.elementMousemove({
  	                        data: d
  	                    });
  	                });
  	
  	            ///Iterating via each and selecting based on the this
  	            ///makes it work ... a cG.selectAll('path') doesn't.
  	            ///Without iteration the data (in the element) didn't update.
  	            cG.each(function(d){
  	                d3.select(this).select('path')
  	                    .transition()
  	                    .duration(duration)
  	                    .attrTween('d', arcTweenUpdate);
  	            });
  	
  	            if(showLabels){
  	                //remove labels first and add them back
  	                cG.selectAll('text').remove();
  	
  	                //this way labels are on top of newly added arcs
  	                cG.append('text')
  	                    .text( function(e){ return labelFormat(e)})
  	                    .transition()
  	                    .duration(duration)
  	                    .attr("opacity", function(d){
  	                        if(labelThresholdMatched(d)) {
  	                            return 1;
  	                        }
  	                        else {
  	                            return 0;
  	                        }
  	                    })
  	                    .attr("transform", function(d) {
  	                        var width = this.getBBox().width;
  	                        if(d.depth === 0){
  	                            return "rotate(0)translate(" + (width / 2 * -1) + ",0)";
  	                        }
  	                        else {
  	                            var centerAngle = computeCenterAngle(d);
  	                            var rotation = rotationToAvoidUpsideDown(d);
  	                            if (rotation === 0) {
  	                                return 'rotate('+ centerAngle +')translate(' + (y(d.y) + 5) + ',0)';
  	                            }
  	                            else {
  	                                return 'rotate('+ centerAngle +')translate(' + (y(d.y) + width + 5) + ',0)rotate(' + rotation + ')';
  	                            }
  	                        }
  	                    });
  	            }
  	
  	            //zoom out to the center when the data is updated.
  	            zoomClick(nodes[nodes.length - 1])
  	
  	
  	            //remove unmatched elements ...
  	            cG.exit()
  	                .transition()
  	                .duration(duration)
  	                .attr('opacity',0)
  	                .each('end',function(d){
  	                    var k = key(d);
  	                    prevPositions[k] = undefined;
  	                })
  	                .remove();
  	        });
  	
  	
  	        renderWatch.renderEnd('sunburst immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    chart.dispatch = dispatch;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        width:      {get: function(){return width;}, set: function(_){width=_;}},
  	        height:     {get: function(){return height;}, set: function(_){height=_;}},
  	        mode:       {get: function(){return mode;}, set: function(_){mode=_;}},
  	        id:         {get: function(){return id;}, set: function(_){id=_;}},
  	        duration:   {get: function(){return duration;}, set: function(_){duration=_;}},
  	        groupColorByParent: {get: function(){return groupColorByParent;}, set: function(_){groupColorByParent=!!_;}},
  	        showLabels: {get: function(){return showLabels;}, set: function(_){showLabels=!!_}},
  	        labelFormat: {get: function(){return labelFormat;}, set: function(_){labelFormat=_}},
  	        labelThreshold: {get: function(){return labelThreshold;}, set: function(_){labelThreshold=_}},
  	        sort: {get: function(){return sort;}, set: function(_){sort=_}},
  	        key: {get: function(){return key;}, set: function(_){key=_}},
  	        // options that require extra logic in the setter
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    != undefined ? _.top    : margin.top;
  	            margin.right  = _.right  != undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom != undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   != undefined ? _.left   : margin.left;
  	        }},
  	        color: {get: function(){return color;}, set: function(_){
  	            color=nv.utils.getColor(_);
  	        }}
  	    });
  	
  	    nv.utils.initOptions(chart);
  	    return chart;
  	};
  	nv.models.sunburstChart = function() {
  	    "use strict";
  	
  	    //============================================================
  	    // Public Variables with Default Settings
  	    //------------------------------------------------------------
  	
  	    var sunburst = nv.models.sunburst();
  	    var tooltip = nv.models.tooltip();
  	
  	    var margin = {top: 30, right: 20, bottom: 20, left: 20}
  	        , width = null
  	        , height = null
  	        , color = nv.utils.defaultColor()
  	        , showTooltipPercent = false
  	        , id = Math.round(Math.random() * 100000)
  	        , defaultState = null
  	        , noData = null
  	        , duration = 250
  	        , dispatch = d3.dispatch('stateChange', 'changeState','renderEnd');
  	
  	
  	    //============================================================
  	    // Private Variables
  	    //------------------------------------------------------------
  	
  	    var renderWatch = nv.utils.renderWatch(dispatch);
  	
  	    tooltip
  	        .duration(0)
  	        .headerEnabled(false)
  	        .valueFormatter(function(d){return d;});
  	
  	    //============================================================
  	    // Chart function
  	    //------------------------------------------------------------
  	
  	    function chart(selection) {
  	        renderWatch.reset();
  	        renderWatch.models(sunburst);
  	
  	        selection.each(function(data) {
  	            var container = d3.select(this);
  	
  	            nv.utils.initSVG(container);
  	
  	            var availableWidth = nv.utils.availableWidth(width, container, margin);
  	            var availableHeight = nv.utils.availableHeight(height, container, margin);
  	
  	            chart.update = function() {
  	                if (duration === 0) {
  	                    container.call(chart);
  	                } else {
  	                    container.transition().duration(duration).call(chart);
  	                }
  	            };
  	            chart.container = container;
  	
  	            // Display No Data message if there's nothing to show.
  	            if (!data || !data.length) {
  	                nv.utils.noData(chart, container);
  	                return chart;
  	            } else {
  	                container.selectAll('.nv-noData').remove();
  	            }
  	
  	            sunburst.width(availableWidth).height(availableHeight).margin(margin);
  	            container.call(sunburst);
  	        });
  	
  	        renderWatch.renderEnd('sunburstChart immediate');
  	        return chart;
  	    }
  	
  	    //============================================================
  	    // Event Handling/Dispatching (out of chart's scope)
  	    //------------------------------------------------------------
  	
  	    sunburst.dispatch.on('elementMouseover.tooltip', function(evt) {
  	        evt.series = {
  	            key: evt.data.name,
  	            value: (evt.data.value || evt.data.size),
  	            color: evt.color,
  	            percent: evt.percent
  	        };
  	        if (!showTooltipPercent) {
  	            delete evt.percent;
  	            delete evt.series.percent;
  	        }
  	        tooltip.data(evt).hidden(false);
  	    });
  	
  	    sunburst.dispatch.on('elementMouseout.tooltip', function(evt) {
  	        tooltip.hidden(true);
  	    });
  	
  	    sunburst.dispatch.on('elementMousemove.tooltip', function(evt) {
  	        tooltip();
  	    });
  	
  	    //============================================================
  	    // Expose Public Variables
  	    //------------------------------------------------------------
  	
  	    // expose chart's sub-components
  	    chart.dispatch = dispatch;
  	    chart.sunburst = sunburst;
  	    chart.tooltip = tooltip;
  	    chart.options = nv.utils.optionsFunc.bind(chart);
  	
  	    // use Object get/set functionality to map between vars and chart functions
  	    chart._options = Object.create({}, {
  	        // simple options, just get/set the necessary values
  	        noData:             {get: function(){return noData;},               set: function(_){noData=_;}},
  	        defaultState:       {get: function(){return defaultState;},         set: function(_){defaultState=_;}},
  	        showTooltipPercent: {get: function(){return showTooltipPercent;},   set: function(_){showTooltipPercent=_;}},
  	
  	        // options that require extra logic in the setter
  	        color: {get: function(){return color;}, set: function(_){
  	            color = _;
  	            sunburst.color(color);
  	        }},
  	        duration: {get: function(){return duration;}, set: function(_){
  	            duration = _;
  	            renderWatch.reset(duration);
  	            sunburst.duration(duration);
  	        }},
  	        margin: {get: function(){return margin;}, set: function(_){
  	            margin.top    = _.top    !== undefined ? _.top    : margin.top;
  	            margin.right  = _.right  !== undefined ? _.right  : margin.right;
  	            margin.bottom = _.bottom !== undefined ? _.bottom : margin.bottom;
  	            margin.left   = _.left   !== undefined ? _.left   : margin.left;
  	            sunburst.margin(margin);
  	        }}
  	    });
  	    nv.utils.inheritOptions(chart, sunburst);
  	    nv.utils.initOptions(chart);
  	    return chart;
  	
  	};
  	
  	nv.version = "1.8.4";
  	})();
  
  /***/ }
  
  });
  //# sourceMappingURL=d3.bundle.js.map