text: 'use strict';
  angular.module('d3', []);
  'use strict';
  angular.module('d3').factory('d3', [function () {
      var d3;
      var π = Math.PI, ε = 0.000001, d3 = { version: '3.0.8' }, d3_radians = π / 180, d3_degrees = 180 / π, d3_document = document, d3_window = window;
      function d3_target(d) {
          return d.target;
      }
      function d3_source(d) {
          return d.source;
      }
      var d3_format_decimalPoint = '.', d3_format_thousandsSeparator = ',', d3_format_grouping = [
          3,
          3
      ];
      if (!Date.now)
          Date.now = function () {
              return +new Date();
          };
      try {
          d3_document.createElement('div').style.setProperty('opacity', 0, '');
      } catch (error) {
          var d3_style_prototype = d3_window.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;
          d3_style_prototype.setProperty = function (name, value, priority) {
              d3_style_setProperty.call(this, name, value + '', priority);
          };
      }
      function d3_class(ctor, properties) {
          try {
              for (var key in properties) {
                  Object.defineProperty(ctor.prototype, key, {
                      value: properties[key],
                      enumerable: false
                  });
              }
          } catch (e) {
              ctor.prototype = properties;
          }
      }
      var d3_array = d3_arraySlice;
      function d3_arrayCopy(pseudoarray) {
          var i = -1, n = pseudoarray.length, array = [];
          while (++i < n)
              array.push(pseudoarray[i]);
          return array;
      }
      function d3_arraySlice(pseudoarray) {
          return Array.prototype.slice.call(pseudoarray);
      }
      try {
          d3_array(d3_document.documentElement.childNodes)[0].nodeType;
      } catch (e) {
          d3_array = d3_arrayCopy;
      }
      var d3_arraySubclass = [].__proto__ ? function (array, prototype) {
          array.__proto__ = prototype;
      } : function (array, prototype) {
          for (var property in prototype)
              array[property] = prototype[property];
      };
      d3.map = function (object) {
          var map = new d3_Map();
          for (var key in object)
              map.set(key, object[key]);
          return map;
      };
      function d3_Map() {
      }
      d3_class(d3_Map, {
          has: function (key) {
              return d3_map_prefix + key in this;
          },
          get: function (key) {
              return this[d3_map_prefix + key];
          },
          set: function (key, value) {
              return this[d3_map_prefix + key] = value;
          },
          remove: function (key) {
              key = d3_map_prefix + key;
              return key in this && delete this[key];
          },
          keys: function () {
              var keys = [];
              this.forEach(function (key) {
                  keys.push(key);
              });
              return keys;
          },
          values: function () {
              var values = [];
              this.forEach(function (key, value) {
                  values.push(value);
              });
              return values;
          },
          entries: function () {
              var entries = [];
              this.forEach(function (key, value) {
                  entries.push({
                      key: key,
                      value: value
                  });
              });
              return entries;
          },
          forEach: function (f) {
              for (var key in this) {
                  if (key.charCodeAt(0) === d3_map_prefixCode) {
                      f.call(this, key.substring(1), this[key]);
                  }
              }
          }
      });
      var d3_map_prefix = '\0', d3_map_prefixCode = d3_map_prefix.charCodeAt(0);
      function d3_identity(d) {
          return d;
      }
      function d3_true() {
          return true;
      }
      function d3_functor(v) {
          return typeof v === 'function' ? v : function () {
              return v;
          };
      }
      d3.functor = d3_functor;
      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;
          };
      }
      d3.ascending = function (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.mean = function (array, f) {
          var n = array.length, a, m = 0, i = -1, j = 0;
          if (arguments.length === 1) {
              while (++i < n)
                  if (d3_number(a = array[i]))
                      m += (a - m) / ++j;
          } else {
              while (++i < n)
                  if (d3_number(a = f.call(array, array[i], i)))
                      m += (a - m) / ++j;
          }
          return j ? m : undefined;
      };
      d3.median = function (array, f) {
          if (arguments.length > 1)
              array = array.map(f);
          array = array.filter(d3_number);
          return array.length ? d3.quantile(array.sort(d3.ascending), 0.5) : undefined;
      };
      d3.min = function (array, f) {
          var i = -1, n = array.length, a, b;
          if (arguments.length === 1) {
              while (++i < n && ((a = array[i]) == null || a != a))
                  a = undefined;
              while (++i < n)
                  if ((b = array[i]) != null && a > b)
                      a = b;
          } else {
              while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a))
                  a = undefined;
              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 && ((a = array[i]) == null || a != a))
                  a = undefined;
              while (++i < n)
                  if ((b = array[i]) != null && b > a)
                      a = b;
          } else {
              while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a))
                  a = undefined;
              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 && ((a = c = array[i]) == null || a != a))
                  a = c = undefined;
              while (++i < n)
                  if ((b = array[i]) != null) {
                      if (a > b)
                          a = b;
                      if (c < b)
                          c = b;
                  }
          } else {
              while (++i < n && ((a = c = f.call(array, array[i], i)) == null || a != a))
                  a = undefined;
              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
          ];
      };
      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());
              };
          },
          irwinHall: function (m) {
              return function () {
                  for (var s = 0, j = 0; j < m; j++)
                      s += Math.random();
                  return s / m;
              };
          }
      };
      function d3_number(x) {
          return x != null && !isNaN(x);
      }
      d3.sum = function (array, f) {
          var s = 0, n = array.length, a, i = -1;
          if (arguments.length === 1) {
              while (++i < n)
                  if (!isNaN(a = +array[i]))
                      s += a;
          } else {
              while (++i < n)
                  if (!isNaN(a = +f.call(array, array[i], i)))
                      s += a;
          }
          return s;
      };
      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.shuffle = function (array) {
          var m = array.length, t, i;
          while (m) {
              i = Math.random() * m-- | 0;
              t = array[m], array[m] = array[i], array[i] = t;
          }
          return array;
      };
      d3.transpose = function (matrix) {
          return d3.zip.apply(d3, matrix);
      };
      d3.zip = function () {
          if (!(n = arguments.length))
              return [];
          for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m;) {
              for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n;) {
                  zip[j] = arguments[j][i];
              }
          }
          return zips;
      };
      function d3_zipLength(d) {
          return d.length;
      }
      d3.bisector = function (f) {
          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 (f.call(a, a[mid], mid) < x)
                          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 (x < f.call(a, a[mid], mid))
                          hi = mid;
                      else
                          lo = mid + 1;
                  }
                  return lo;
              }
          };
      };
      var d3_bisector = d3.bisector(function (d) {
          return d;
      });
      d3.bisectLeft = d3_bisector.left;
      d3.bisect = d3.bisectRight = d3_bisector.right;
      d3.nest = function () {
          var nest = {}, keys = [], sortKeys = [], sortValues, rollup;
          function map(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, valuesByKey = new d3_Map(), values, o = {};
              while (++i < n) {
                  if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
                      values.push(object);
                  } else {
                      valuesByKey.set(keyValue, [object]);
                  }
              }
              valuesByKey.forEach(function (keyValue, values) {
                  o[keyValue] = map(values, depth);
              });
              return o;
          }
          function entries(map, depth) {
              if (depth >= keys.length)
                  return map;
              var a = [], sortKey = sortKeys[depth++], key;
              for (key in map) {
                  a.push({
                      key: key,
                      values: entries(map[key], depth)
                  });
              }
              if (sortKey)
                  a.sort(function (a, b) {
                      return sortKey(a.key, b.key);
                  });
              return a;
          }
          nest.map = function (array) {
              return map(array, 0);
          };
          nest.entries = function (array) {
              return entries(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.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.permute = function (array, indexes) {
          var permutes = [], i = -1, n = indexes.length;
          while (++i < n)
              permutes[i] = array[indexes[i]];
          return permutes;
      };
      d3.merge = function (arrays) {
          return Array.prototype.concat.apply([], arrays);
      };
      function d3_collapse(s) {
          return s.trim().replace(/\s+/g, ' ');
      }
      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(Math.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;
      }
      d3.requote = function (s) {
          return s.replace(d3_requote_re, '\\$&');
      };
      var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
      d3.round = function (x, n) {
          return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);
      };
      d3.xhr = function (url, mimeType, callback) {
          var xhr = {}, dispatch = d3.dispatch('progress', 'load', 'error'), headers = {}, response = d3_identity, request = new (d3_window.XDomainRequest && /^(http(s)?:)?\/\//.test(url) ? XDomainRequest : XMLHttpRequest)();
          'onload' in request ? request.onload = request.onerror = respond : request.onreadystatechange = function () {
              request.readyState > 3 && respond();
          };
          function respond() {
              var s = request.status;
              !s && request.responseText || s >= 200 && s < 300 || s === 304 ? dispatch.load.call(xhr, response.call(xhr, request)) : 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.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 (callback != null)
                  xhr.on('error', callback).on('load', function (request) {
                      callback(null, request);
                  });
              request.send(data == null ? null : data);
              return xhr;
          };
          xhr.abort = function () {
              request.abort();
              return xhr;
          };
          d3.rebind(xhr, dispatch, 'on');
          if (arguments.length === 2 && typeof mimeType === 'function')
              callback = mimeType, mimeType = null;
          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;
      }
      d3.text = function () {
          return d3.xhr.apply(d3, arguments).response(d3_text);
      };
      function d3_text(request) {
          return request.responseText;
      }
      d3.json = function (url, callback) {
          return d3.xhr(url, 'application/json', callback).response(d3_json);
      };
      function d3_json(request) {
          return JSON.parse(request.responseText);
      }
      d3.html = function (url, callback) {
          return d3.xhr(url, 'text/html', callback).response(d3_html);
      };
      function d3_html(request) {
          var range = d3_document.createRange();
          range.selectNode(d3_document.body);
          return range.createContextualFragment(request.responseText);
      }
      d3.xml = function () {
          return d3.xhr.apply(d3, arguments).response(d3_xml);
      };
      function d3_xml(request) {
          return request.responseXML;
      }
      var d3_nsPrefix = {
          svg: 'http://www.w3.org/2000/svg',
          xhtml: 'http://www.w3.org/1999/xhtml',
          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.substring(0, i);
                  name = name.substring(i + 1);
              }
              return d3_nsPrefix.hasOwnProperty(prefix) ? {
                  space: d3_nsPrefix[prefix],
                  local: name
              } : name;
          }
      };
      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.substring(i + 1);
              type = type.substring(0, i);
          }
          return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);
      };
      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.format = function (specifier) {
          var match = d3_format_re.exec(specifier), fill = match[1] || ' ', align = match[2] || '>', sign = match[3] || '', basePrefix = match[4] || '', zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, suffix = '', integer = false;
          if (precision)
              precision = +precision.substring(1);
          if (zfill || fill === '0' && align === '=') {
              zfill = fill = '0';
              align = '=';
              if (comma)
                  width -= Math.floor((width - 1) / 4);
          }
          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 (basePrefix)
                      basePrefix = '0' + type.toLowerCase();
              case 'c':
              case 'd':
                  integer = true;
                  precision = 0;
                  break;
              case 's':
                  scale = -1;
                  type = 'r';
                  break;
          }
          if (basePrefix === '#')
              basePrefix = '';
          if (type == 'r' && !precision)
              type = 'g';
          type = d3_format_types.get(type) || d3_format_typeDefault;
          var zcomma = zfill && comma;
          return function (value) {
              if (integer && value % 1)
                  return '';
              var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, '-') : sign;
              if (scale < 0) {
                  var prefix = d3.formatPrefix(value, precision);
                  value = prefix.scale(value);
                  suffix = prefix.symbol;
              } else {
                  value *= scale;
              }
              value = type(value, precision);
              if (!zfill && comma)
                  value = d3_format_group(value);
              var length = basePrefix.length + value.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : '';
              if (zcomma)
                  value = d3_format_group(padding + value);
              if (d3_format_decimalPoint)
                  value.replace('.', d3_format_decimalPoint);
              negative += basePrefix;
              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)) + suffix;
          };
      };
      var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?(#)?(0)?([0-9]+)?(,)?(\.[0-9]+)?([a-zA-Z%])?/;
      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_precision(x, p) {
          return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1);
      }
      function d3_format_typeDefault(x) {
          return x + '';
      }
      var d3_format_group = d3_identity;
      if (d3_format_grouping) {
          var d3_format_groupingLength = d3_format_grouping.length;
          d3_format_group = function (value) {
              var i = value.lastIndexOf('.'), f = i >= 0 ? '.' + value.substring(i + 1) : (i = value.length, ''), t = [], j = 0, g = d3_format_grouping[0];
              while (i > 0 && g > 0) {
                  t.push(value.substring(i -= g, i + g));
                  g = d3_format_grouping[j = (j + 1) % d3_format_groupingLength];
              }
              return t.reverse().join(d3_format_thousandsSeparator || '') + f;
          };
      }
      var d3_formatPrefixes = [
          'y',
          'z',
          'a',
          'f',
          'p',
          'n',
          '\xb5',
          'm',
          '',
          'k',
          'M',
          'G',
          'T',
          'P',
          'E',
          'Z',
          'Y'
      ].map(d3_formatPrefix);
      d3.formatPrefix = function (value, precision) {
          var i = 0;
          if (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 <= 0 ? i + 1 : i - 1) / 3) * 3));
          }
          return d3_formatPrefixes[8 + i / 3];
      };
      function d3_formatPrefix(d, i) {
          var k = Math.pow(10, Math.abs(8 - i) * 3);
          return {
              scale: i > 8 ? function (d) {
                  return d / k;
              } : function (d) {
                  return d * k;
              },
              symbol: d
          };
      }
      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.substring(0, i) : name, m = i >= 0 ? name.substring(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, Array.prototype.slice.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 0.5 * (t < 0.5 ? 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 < 0.5 ? t3 : 3 * (t - t2) + t3 - 0.75);
      }
      function d3_ease_poly(e) {
          return function (t) {
              return Math.pow(t, e);
          };
      }
      function d3_ease_sin(t) {
          return 1 - Math.cos(t * π / 2);
      }
      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 = 0.45;
          if (arguments.length)
              s = p / (2 * π) * 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) * 2 * π / 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 + 0.75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + 0.9375 : 7.5625 * (t -= 2.625 / 2.75) * t + 0.984375;
      }
      d3.event = null;
      function d3_eventCancel() {
          d3.event.stopPropagation();
          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.transform = function (string) {
          var g = d3_document.createElementNS(d3.ns.prefix.svg, 'g');
          return (d3.transform = function (string) {
              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.interpolate = function (a, b) {
          var i = d3.interpolators.length, f;
          while (--i >= 0 && !(f = d3.interpolators[i](a, b)));
          return f;
      };
      d3.interpolateNumber = function (a, b) {
          b -= a;
          return function (t) {
              return a + b * t;
          };
      };
      d3.interpolateRound = function (a, b) {
          b -= a;
          return function (t) {
              return Math.round(a + b * t);
          };
      };
      d3.interpolateString = function (a, b) {
          var m, i, j, s0 = 0, s1 = 0, s = [], q = [], n, o;
          d3_interpolate_number.lastIndex = 0;
          for (i = 0; m = d3_interpolate_number.exec(b); ++i) {
              if (m.index)
                  s.push(b.substring(s0, s1 = m.index));
              q.push({
                  i: s.length,
                  x: m[0]
              });
              s.push(null);
              s0 = d3_interpolate_number.lastIndex;
          }
          if (s0 < b.length)
              s.push(b.substring(s0));
          for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) {
              o = q[i];
              if (o.x == m[0]) {
                  if (o.i) {
                      if (s[o.i + 1] == null) {
                          s[o.i - 1] += o.x;
                          s.splice(o.i, 1);
                          for (j = i + 1; j < n; ++j)
                              q[j].i--;
                      } else {
                          s[o.i - 1] += o.x + s[o.i + 1];
                          s.splice(o.i, 2);
                          for (j = i + 1; j < n; ++j)
                              q[j].i -= 2;
                      }
                  } else {
                      if (s[o.i + 1] == null) {
                          s[o.i] = o.x;
                      } else {
                          s[o.i] = o.x + s[o.i + 1];
                          s.splice(o.i + 1, 1);
                          for (j = i + 1; j < n; ++j)
                              q[j].i--;
                      }
                  }
                  q.splice(i, 1);
                  n--;
                  i--;
              } else {
                  o.x = d3.interpolateNumber(parseFloat(m[0]), parseFloat(o.x));
              }
          }
          while (i < n) {
              o = q.pop();
              if (s[o.i + 1] == null) {
                  s[o.i] = o.x;
              } else {
                  s[o.i] = o.x + s[o.i + 1];
                  s.splice(o.i + 1, 1);
              }
              n--;
          }
          if (s.length === 1) {
              return s[0] == null ? q[0].x : function () {
                  return b;
              };
          }
          return function (t) {
              for (i = 0; i < n; ++i)
                  s[(o = q[i]).i] = o.x(t);
              return s.join('');
          };
      };
      d3.interpolateTransform = function (a, b) {
          var s = [], q = [], n, A = d3.transform(a), B = d3.transform(b), ta = A.translate, tb = B.translate, ra = A.rotate, rb = B.rotate, wa = A.skew, wb = B.skew, ka = A.scale, kb = B.scale;
          if (ta[0] != tb[0] || ta[1] != tb[1]) {
              s.push('translate(', null, ',', null, ')');
              q.push({
                  i: 1,
                  x: d3.interpolateNumber(ta[0], tb[0])
              }, {
                  i: 3,
                  x: d3.interpolateNumber(ta[1], tb[1])
              });
          } else if (tb[0] || tb[1]) {
              s.push('translate(' + tb + ')');
          } else {
              s.push('');
          }
          if (ra != rb) {
              if (ra - rb > 180)
                  rb += 360;
              else if (rb - ra > 180)
                  ra += 360;
              q.push({
                  i: s.push(s.pop() + 'rotate(', null, ')') - 2,
                  x: d3.interpolateNumber(ra, rb)
              });
          } else if (rb) {
              s.push(s.pop() + 'rotate(' + rb + ')');
          }
          if (wa != wb) {
              q.push({
                  i: s.push(s.pop() + 'skewX(', null, ')') - 2,
                  x: d3.interpolateNumber(wa, wb)
              });
          } else if (wb) {
              s.push(s.pop() + 'skewX(' + wb + ')');
          }
          if (ka[0] != kb[0] || ka[1] != kb[1]) {
              n = s.push(s.pop() + 'scale(', null, ',', null, ')');
              q.push({
                  i: n - 4,
                  x: d3.interpolateNumber(ka[0], kb[0])
              }, {
                  i: n - 2,
                  x: d3.interpolateNumber(ka[1], kb[1])
              });
          } else if (kb[0] != 1 || kb[1] != 1) {
              s.push(s.pop() + 'scale(' + kb + ')');
          }
          n = q.length;
          return function (t) {
              var i = -1, o;
              while (++i < n)
                  s[(o = q[i]).i] = o.x(t);
              return s.join('');
          };
      };
      d3.interpolateRgb = function (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.interpolateHsl = function (a, b) {
          a = d3.hsl(a);
          b = d3.hsl(b);
          var h0 = a.h, s0 = a.s, l0 = a.l, h1 = b.h - h0, s1 = b.s - s0, l1 = b.l - l0;
          if (h1 > 180)
              h1 -= 360;
          else if (h1 < -180)
              h1 += 360;
          return function (t) {
              return d3_hsl_rgb(h0 + h1 * t, s0 + s1 * t, l0 + l1 * t) + '';
          };
      };
      d3.interpolateLab = function (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.interpolateHcl = function (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 (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.interpolateArray = function (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;
          };
      };
      d3.interpolateObject = function (a, b) {
          var i = {}, c = {}, k;
          for (k in a) {
              if (k in b) {
                  i[k] = d3_interpolateByName(k)(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;
          };
      };
      var d3_interpolate_number = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g;
      function d3_interpolateByName(name) {
          return name == 'transform' ? d3.interpolateTransform : d3.interpolate;
      }
      d3.interpolators = [
          d3.interpolateObject,
          function (a, b) {
              return b instanceof Array && d3.interpolateArray(a, b);
          },
          function (a, b) {
              return (typeof a === 'string' || typeof b === 'string') && d3.interpolateString(a + '', b + '');
          },
          function (a, b) {
              return (typeof b === 'string' ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) : b instanceof d3_Color) && d3.interpolateRgb(a, b);
          },
          function (a, b) {
              return !isNaN(a = +a) && !isNaN(b = +b) && d3.interpolateNumber(a, b);
          }
      ];
      function d3_uninterpolateNumber(a, b) {
          b = b - (a = +a) ? 1 / (b - a) : 0;
          return function (x) {
              return (x - a) * b;
          };
      }
      function d3_uninterpolateClamp(a, b) {
          b = b - (a = +a) ? 1 / (b - a) : 0;
          return function (x) {
              return Math.max(0, Math.min(1, (x - a) * b));
          };
      }
      function d3_Color() {
      }
      d3_Color.prototype.toString = function () {
          return this.rgb() + '';
      };
      d3.rgb = function (r, g, b) {
          return arguments.length === 1 ? r instanceof d3_Rgb ? d3_rgb(r.r, r.g, r.b) : d3_rgb_parse('' + r, d3_rgb, d3_hsl_rgb) : d3_rgb(~~r, ~~g, ~~b);
      };
      function d3_rgb(r, g, b) {
          return new d3_Rgb(r, g, b);
      }
      function d3_Rgb(r, g, b) {
          this.r = r;
          this.g = g;
          this.b = b;
      }
      var d3_rgbPrototype = d3_Rgb.prototype = new d3_Color();
      d3_rgbPrototype.brighter = function (k) {
          k = Math.pow(0.7, arguments.length ? k : 1);
          var r = this.r, g = this.g, b = this.b, i = 30;
          if (!r && !g && !b)
              return d3_rgb(i, i, i);
          if (r && r < i)
              r = i;
          if (g && g < i)
              g = i;
          if (b && b < i)
              b = i;
          return d3_rgb(Math.min(255, Math.floor(r / k)), Math.min(255, Math.floor(g / k)), Math.min(255, Math.floor(b / k)));
      };
      d3_rgbPrototype.darker = function (k) {
          k = Math.pow(0.7, arguments.length ? k : 1);
          return d3_rgb(Math.floor(k * this.r), Math.floor(k * this.g), Math.floor(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, name;
          m1 = /([a-z]+)\((.*)\)/i.exec(format);
          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 (name = d3_rgb_names.get(format))
              return rgb(name.r, name.g, name.b);
          if (format != null && format.charAt(0) === '#') {
              if (format.length === 4) {
                  r = format.charAt(1);
                  r += r;
                  g = format.charAt(2);
                  g += g;
                  b = format.charAt(3);
                  b += b;
              } else if (format.length === 7) {
                  r = format.substring(1, 3);
                  g = format.substring(3, 5);
                  b = format.substring(5, 7);
              }
              r = parseInt(r, 16);
              g = parseInt(g, 16);
              b = parseInt(b, 16);
          }
          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 < 0.5 ? 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 {
              s = h = 0;
          }
          return 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((0.4124564 * r + 0.3575761 * g + 0.1804375 * b) / d3_lab_X), y = d3_xyz_lab((0.2126729 * r + 0.7151522 * g + 0.072175 * b) / d3_lab_Y), z = d3_xyz_lab((0.0193339 * r + 0.119192 * g + 0.9503041 * b) / d3_lab_Z);
          return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z));
      }
      function d3_rgb_xyz(r) {
          return (r /= 255) <= 0.04045 ? r / 12.92 : Math.pow((r + 0.055) / 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: '#f0f8ff',
          antiquewhite: '#faebd7',
          aqua: '#00ffff',
          aquamarine: '#7fffd4',
          azure: '#f0ffff',
          beige: '#f5f5dc',
          bisque: '#ffe4c4',
          black: '#000000',
          blanchedalmond: '#ffebcd',
          blue: '#0000ff',
          blueviolet: '#8a2be2',
          brown: '#a52a2a',
          burlywood: '#deb887',
          cadetblue: '#5f9ea0',
          chartreuse: '#7fff00',
          chocolate: '#d2691e',
          coral: '#ff7f50',
          cornflowerblue: '#6495ed',
          cornsilk: '#fff8dc',
          crimson: '#dc143c',
          cyan: '#00ffff',
          darkblue: '#00008b',
          darkcyan: '#008b8b',
          darkgoldenrod: '#b8860b',
          darkgray: '#a9a9a9',
          darkgreen: '#006400',
          darkgrey: '#a9a9a9',
          darkkhaki: '#bdb76b',
          darkmagenta: '#8b008b',
          darkolivegreen: '#556b2f',
          darkorange: '#ff8c00',
          darkorchid: '#9932cc',
          darkred: '#8b0000',
          darksalmon: '#e9967a',
          darkseagreen: '#8fbc8f',
          darkslateblue: '#483d8b',
          darkslategray: '#2f4f4f',
          darkslategrey: '#2f4f4f',
          darkturquoise: '#00ced1',
          darkviolet: '#9400d3',
          deeppink: '#ff1493',
          deepskyblue: '#00bfff',
          dimgray: '#696969',
          dimgrey: '#696969',
          dodgerblue: '#1e90ff',
          firebrick: '#b22222',
          floralwhite: '#fffaf0',
          forestgreen: '#228b22',
          fuchsia: '#ff00ff',
          gainsboro: '#dcdcdc',
          ghostwhite: '#f8f8ff',
          gold: '#ffd700',
          goldenrod: '#daa520',
          gray: '#808080',
          green: '#008000',
          greenyellow: '#adff2f',
          grey: '#808080',
          honeydew: '#f0fff0',
          hotpink: '#ff69b4',
          indianred: '#cd5c5c',
          indigo: '#4b0082',
          ivory: '#fffff0',
          khaki: '#f0e68c',
          lavender: '#e6e6fa',
          lavenderblush: '#fff0f5',
          lawngreen: '#7cfc00',
          lemonchiffon: '#fffacd',
          lightblue: '#add8e6',
          lightcoral: '#f08080',
          lightcyan: '#e0ffff',
          lightgoldenrodyellow: '#fafad2',
          lightgray: '#d3d3d3',
          lightgreen: '#90ee90',
          lightgrey: '#d3d3d3',
          lightpink: '#ffb6c1',
          lightsalmon: '#ffa07a',
          lightseagreen: '#20b2aa',
          lightskyblue: '#87cefa',
          lightslategray: '#778899',
          lightslategrey: '#778899',
          lightsteelblue: '#b0c4de',
          lightyellow: '#ffffe0',
          lime: '#00ff00',
          limegreen: '#32cd32',
          linen: '#faf0e6',
          magenta: '#ff00ff',
          maroon: '#800000',
          mediumaquamarine: '#66cdaa',
          mediumblue: '#0000cd',
          mediumorchid: '#ba55d3',
          mediumpurple: '#9370db',
          mediumseagreen: '#3cb371',
          mediumslateblue: '#7b68ee',
          mediumspringgreen: '#00fa9a',
          mediumturquoise: '#48d1cc',
          mediumvioletred: '#c71585',
          midnightblue: '#191970',
          mintcream: '#f5fffa',
          mistyrose: '#ffe4e1',
          moccasin: '#ffe4b5',
          navajowhite: '#ffdead',
          navy: '#000080',
          oldlace: '#fdf5e6',
          olive: '#808000',
          olivedrab: '#6b8e23',
          orange: '#ffa500',
          orangered: '#ff4500',
          orchid: '#da70d6',
          palegoldenrod: '#eee8aa',
          palegreen: '#98fb98',
          paleturquoise: '#afeeee',
          palevioletred: '#db7093',
          papayawhip: '#ffefd5',
          peachpuff: '#ffdab9',
          peru: '#cd853f',
          pink: '#ffc0cb',
          plum: '#dda0dd',
          powderblue: '#b0e0e6',
          purple: '#800080',
          red: '#ff0000',
          rosybrown: '#bc8f8f',
          royalblue: '#4169e1',
          saddlebrown: '#8b4513',
          salmon: '#fa8072',
          sandybrown: '#f4a460',
          seagreen: '#2e8b57',
          seashell: '#fff5ee',
          sienna: '#a0522d',
          silver: '#c0c0c0',
          skyblue: '#87ceeb',
          slateblue: '#6a5acd',
          slategray: '#708090',
          slategrey: '#708090',
          snow: '#fffafa',
          springgreen: '#00ff7f',
          steelblue: '#4682b4',
          tan: '#d2b48c',
          teal: '#008080',
          thistle: '#d8bfd8',
          tomato: '#ff6347',
          turquoise: '#40e0d0',
          violet: '#ee82ee',
          wheat: '#f5deb3',
          white: '#ffffff',
          whitesmoke: '#f5f5f5',
          yellow: '#ffff00',
          yellowgreen: '#9acd32'
      });
      d3_rgb_names.forEach(function (key, value) {
          d3_rgb_names.set(key, d3_rgb_parse(value, d3_rgb, d3_hsl_rgb));
      });
      d3.hsl = function (h, s, l) {
          return arguments.length === 1 ? h instanceof d3_Hsl ? d3_hsl(h.h, h.s, h.l) : d3_rgb_parse('' + h, d3_rgb_hsl, d3_hsl) : d3_hsl(+h, +s, +l);
      };
      function d3_hsl(h, s, l) {
          return new d3_Hsl(h, s, l);
      }
      function d3_Hsl(h, s, l) {
          this.h = h;
          this.s = s;
          this.l = l;
      }
      var d3_hslPrototype = d3_Hsl.prototype = new d3_Color();
      d3_hslPrototype.brighter = function (k) {
          k = Math.pow(0.7, arguments.length ? k : 1);
          return d3_hsl(this.h, this.s, this.l / k);
      };
      d3_hslPrototype.darker = function (k) {
          k = Math.pow(0.7, arguments.length ? k : 1);
          return 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 = h % 360;
          if (h < 0)
              h += 360;
          s = s < 0 ? 0 : s > 1 ? 1 : s;
          l = l < 0 ? 0 : l > 1 ? 1 : l;
          m2 = l <= 0.5 ? 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 d3_rgb(vv(h + 120), vv(h), vv(h - 120));
      }
      d3.hcl = function (h, c, l) {
          return arguments.length === 1 ? h instanceof d3_Hcl ? 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) : d3_hcl(+h, +c, +l);
      };
      function d3_hcl(h, c, l) {
          return new d3_Hcl(h, c, l);
      }
      function d3_Hcl(h, c, l) {
          this.h = h;
          this.c = c;
          this.l = l;
      }
      var d3_hclPrototype = d3_Hcl.prototype = new d3_Color();
      d3_hclPrototype.brighter = function (k) {
          return d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));
      };
      d3_hclPrototype.darker = function (k) {
          return 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) {
          return d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c);
      }
      d3.lab = function (l, a, b) {
          return arguments.length === 1 ? l instanceof d3_Lab ? d3_lab(l.l, l.a, l.b) : l instanceof d3_Hcl ? d3_hcl_lab(l.l, l.c, l.h) : d3_rgb_lab((l = d3.rgb(l)).r, l.g, l.b) : d3_lab(+l, +a, +b);
      };
      function d3_lab(l, a, b) {
          return new d3_Lab(l, a, b);
      }
      function d3_Lab(l, a, b) {
          this.l = l;
          this.a = a;
          this.b = b;
      }
      var d3_lab_K = 18;
      var d3_lab_X = 0.95047, d3_lab_Y = 1, d3_lab_Z = 1.08883;
      var d3_labPrototype = d3_Lab.prototype = new d3_Color();
      d3_labPrototype.brighter = function (k) {
          return d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
      };
      d3_labPrototype.darker = function (k) {
          return 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 d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - 0.4985314 * z), d3_xyz_rgb(-0.969266 * x + 1.8760108 * y + 0.041556 * z), d3_xyz_rgb(0.0556434 * x - 0.2040259 * y + 1.0572252 * z));
      }
      function d3_lab_hcl(l, a, b) {
          return d3_hcl(Math.atan2(b, a) / π * 180, Math.sqrt(a * a + b * b), l);
      }
      function d3_lab_xyz(x) {
          return x > 0.206893034 ? x * x * x : (x - 4 / 29) / 7.787037;
      }
      function d3_xyz_lab(x) {
          return x > 0.008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;
      }
      function d3_xyz_rgb(r) {
          return Math.round(255 * (r <= 0.00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - 0.055));
      }
      function d3_selection(groups) {
          d3_arraySubclass(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_selectRoot = d3_document.documentElement, d3_selectMatcher = d3_selectRoot.matchesSelector || d3_selectRoot.webkitMatchesSelector || d3_selectRoot.mozMatchesSelector || d3_selectRoot.msMatchesSelector || d3_selectRoot.oMatchesSelector, d3_selectMatches = function (n, s) {
          return d3_selectMatcher.call(n, s);
      };
      if (typeof Sizzle === 'function') {
          d3_select = function (s, n) {
              return Sizzle(s, n)[0] || null;
          };
          d3_selectAll = function (s, n) {
              return Sizzle.uniqueSort(Sizzle(s, n));
          };
          d3_selectMatches = Sizzle.matchesSelector;
      }
      var d3_selectionPrototype = [];
      d3.selection = function () {
          return d3_selectionRoot;
      };
      d3.selection.prototype = d3_selectionPrototype;
      d3_selectionPrototype.select = function (selector) {
          var subgroups = [], subgroup, subnode, group, node;
          if (typeof selector !== 'function')
              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));
                      if (subnode && '__data__' in node)
                          subnode.__data__ = node.__data__;
                  } else {
                      subgroup.push(null);
                  }
              }
          }
          return d3_selection(subgroups);
      };
      function d3_selection_selector(selector) {
          return function () {
              return d3_select(selector, this);
          };
      }
      d3_selectionPrototype.selectAll = function (selector) {
          var subgroups = [], subgroup, node;
          if (typeof selector !== 'function')
              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)));
                      subgroup.parentNode = node;
                  }
              }
          }
          return d3_selection(subgroups);
      };
      function d3_selection_selectorAll(selector) {
          return function () {
              return d3_selectAll(selector, this);
          };
      }
      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;
      }
      d3_selectionPrototype.classed = function (name, value) {
          if (arguments.length < 2) {
              if (typeof name === 'string') {
                  var node = this.node(), n = (name = name.trim().split(/^|\s+/g)).length, i = -1;
                  if (value = node.classList) {
                      while (++i < n)
                          if (!value.contains(name[i]))
                              return false;
                  } else {
                      value = node.className;
                      if (value.baseVal != null)
                          value = value.baseVal;
                      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_classed(name, value) {
          name = name.trim().split(/\s+/).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.className, cb = c.baseVal != null, cv = cb ? c.baseVal : c;
              if (value) {
                  re.lastIndex = 0;
                  if (!re.test(cv)) {
                      cv = d3_collapse(cv + ' ' + name);
                      if (cb)
                          c.baseVal = cv;
                      else
                          node.className = cv;
                  }
              } else if (cv) {
                  cv = d3_collapse(cv.replace(re, ' '));
                  if (cb)
                      c.baseVal = cv;
                  else
                      node.className = cv;
              }
          };
      }
      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)
                  return d3_window.getComputedStyle(this.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.ns.qualify(name);
          function append() {
              return this.appendChild(d3_document.createElementNS(this.namespaceURI, name));
          }
          function appendNS() {
              return this.appendChild(d3_document.createElementNS(name.space, name.local));
          }
          return this.select(name.local ? appendNS : append);
      };
      d3_selectionPrototype.insert = function (name, before) {
          name = d3.ns.qualify(name);
          function insert() {
              return this.insertBefore(d3_document.createElementNS(this.namespaceURI, name), d3_select(before, this));
          }
          function insertNS() {
              return this.insertBefore(d3_document.createElementNS(name.space, name.local), d3_select(before, this));
          }
          return this.select(name.local ? insertNS : insert);
      };
      d3_selectionPrototype.remove = function () {
          return this.each(function () {
              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(), dataByKeyValue = new d3_Map(), keyValues = [], keyValue;
                  for (i = -1; ++i < n;) {
                      keyValue = key.call(node = group[i], node.__data__, i);
                      if (nodeByKeyValue.has(keyValue)) {
                          exitNodes[i] = node;
                      } else {
                          nodeByKeyValue.set(keyValue, node);
                      }
                      keyValues.push(keyValue);
                  }
                  for (i = -1; ++i < m;) {
                      keyValue = key.call(groupData, nodeData = groupData[i], i);
                      if (node = nodeByKeyValue.get(keyValue)) {
                          updateNodes[i] = node;
                          node.__data__ = nodeData;
                      } else if (!dataByKeyValue.has(keyValue)) {
                          enterNodes[i] = d3_selection_dataNode(nodeData);
                      }
                      dataByKeyValue.set(keyValue, nodeData);
                      nodeByKeyValue.remove(keyValue);
                  }
                  for (i = -1; ++i < n;) {
                      if (nodeByKeyValue.has(keyValues[i])) {
                          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)) {
                      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__);
          };
      }
      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('.');
          if (i > 0)
              type = type.substring(0, i);
          function onRemove() {
              var wrapper = this[name];
              if (wrapper) {
                  this.removeEventListener(type, wrapper, wrapper.$);
                  delete this[name];
              }
          }
          function onAdd() {
              var node = this, args = d3_array(arguments);
              onRemove.call(this);
              this.addEventListener(type, this[name] = wrapper, wrapper.$ = capture);
              wrapper._ = listener;
              function wrapper(e) {
                  var o = d3.event;
                  d3.event = e;
                  args[0] = node.__data__;
                  try {
                      listener.apply(node, args);
                  } finally {
                      d3.event = o;
                  }
              }
          }
          return listener ? onAdd : onRemove;
      }
      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.transition = function () {
          var id = d3_transitionInheritId || ++d3_transitionId, subgroups = [], subgroup, node, transition = Object.create(d3_transitionInherit);
          transition.time = Date.now();
          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, id, transition);
                  subgroup.push(node);
              }
          }
          return d3_transition(subgroups, id);
      };
      var d3_selectionRoot = d3_selection([[d3_document]]);
      d3_selectionRoot[0].parentNode = d3_selectRoot;
      d3.select = function (selector) {
          return typeof selector === 'string' ? d3_selectionRoot.select(selector) : d3_selection([[selector]]);
      };
      d3.selectAll = function (selector) {
          return typeof selector === 'string' ? d3_selectionRoot.selectAll(selector) : d3_selection([d3_array(selector)]);
      };
      function d3_selection_enter(selection) {
          d3_arraySubclass(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.insert = d3_selectionPrototype.insert;
      d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
      d3_selection_enterPrototype.node = d3_selectionPrototype.node;
      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));
                      subnode.__data__ = node.__data__;
                  } else {
                      subgroup.push(null);
                  }
              }
          }
          return d3_selection(subgroups);
      };
      function d3_transition(groups, id) {
          d3_arraySubclass(groups, d3_transitionPrototype);
          groups.id = id;
          return groups;
      }
      var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit = {
          ease: d3_ease_cubicInOut,
          delay: 0,
          duration: 250
      };
      d3_transitionPrototype.call = d3_selectionPrototype.call;
      d3_transitionPrototype.empty = d3_selectionPrototype.empty;
      d3_transitionPrototype.node = d3_selectionPrototype.node;
      d3.transition = function (selection) {
          return arguments.length ? d3_transitionInheritId ? selection.transition() : selection : d3_selectionRoot.transition();
      };
      d3.transition.prototype = d3_transitionPrototype;
      function d3_transitionNode(node, i, id, inherit) {
          var lock = node.__transition__ || (node.__transition__ = {
                  active: 0,
                  count: 0
              }), transition = lock[id];
          if (!transition) {
              var time = inherit.time;
              transition = lock[id] = {
                  tween: new d3_Map(),
                  event: d3.dispatch('start', 'end'),
                  time: time,
                  ease: inherit.ease,
                  delay: inherit.delay,
                  duration: inherit.duration
              };
              ++lock.count;
              d3.timer(function (elapsed) {
                  var d = node.__data__, ease = transition.ease, event = transition.event, delay = transition.delay, duration = transition.duration, tweened = [];
                  return delay <= elapsed ? start(elapsed) : d3.timer(start, delay, time), 1;
                  function start(elapsed) {
                      if (lock.active > id)
                          return stop();
                      lock.active = id;
                      event.start.call(node, d, i);
                      transition.tween.forEach(function (key, value) {
                          if (value = value.call(node, d, i)) {
                              tweened.push(value);
                          }
                      });
                      if (!tick(elapsed))
                          d3.timer(tick, 0, time);
                      return 1;
                  }
                  function tick(elapsed) {
                      if (lock.active !== id)
                          return stop();
                      var t = (elapsed - delay) / duration, e = ease(t), n = tweened.length;
                      while (n > 0) {
                          tweened[--n].call(node, e);
                      }
                      if (t >= 1) {
                          stop();
                          event.end.call(node, d, i);
                          return 1;
                      }
                  }
                  function stop() {
                      if (--lock.count)
                          delete lock[id];
                      else
                          delete node.__transition__;
                      return 1;
                  }
              }, 0, time);
              return transition;
          }
      }
      d3_transitionPrototype.select = function (selector) {
          var id = this.id, subgroups = [], subgroup, subnode, node;
          if (typeof selector !== 'function')
              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))) {
                      if ('__data__' in node)
                          subnode.__data__ = node.__data__;
                      d3_transitionNode(subnode, i, id, node.__transition__[id]);
                      subgroup.push(subnode);
                  } else {
                      subgroup.push(null);
                  }
              }
          }
          return d3_transition(subgroups, id);
      };
      d3_transitionPrototype.selectAll = function (selector) {
          var id = this.id, subgroups = [], subgroup, subnodes, node, subnode, transition;
          if (typeof selector !== 'function')
              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.__transition__[id];
                      subnodes = selector.call(node, node.__data__, i);
                      subgroups.push(subgroup = []);
                      for (var k = -1, o = subnodes.length; ++k < o;) {
                          d3_transitionNode(subnode = subnodes[k], k, id, transition);
                          subgroup.push(subnode);
                      }
                  }
              }
          }
          return d3_transition(subgroups, 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)) {
                      subgroup.push(node);
                  }
              }
          }
          return d3_transition(subgroups, this.id, this.time).ease(this.ease());
      };
      d3_transitionPrototype.attr = function (nameNS, value) {
          if (arguments.length < 2) {
              for (value in nameNS)
                  this.attr(value, nameNS[value]);
              return this;
          }
          var interpolate = d3_interpolateByName(nameNS), name = d3.ns.qualify(nameNS);
          function attrNull() {
              this.removeAttribute(name);
          }
          function attrNullNS() {
              this.removeAttributeNS(name.space, name.local);
          }
          return d3_transition_tween(this, 'attr.' + nameNS, value, function (b) {
              function attrString() {
                  var a = this.getAttribute(name), i;
                  return a !== b && (i = interpolate(a, b), function (t) {
                          this.setAttribute(name, i(t));
                      });
              }
              function attrStringNS() {
                  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 b == null ? name.local ? attrNullNS : attrNull : (b += '', name.local ? attrStringNS : attrString);
          });
      };
      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 = '';
          }
          var interpolate = d3_interpolateByName(name);
          function styleNull() {
              this.style.removeProperty(name);
          }
          return d3_transition_tween(this, 'style.' + name, value, function (b) {
              function styleString() {
                  var a = d3_window.getComputedStyle(this, null).getPropertyValue(name), i;
                  return a !== b && (i = interpolate(a, b), function (t) {
                          this.style.setProperty(name, i(t), priority);
                      });
              }
              return b == null ? styleNull : (b += '', styleString);
          });
      };
      d3_transitionPrototype.styleTween = function (name, tween, priority) {
          if (arguments.length < 3)
              priority = '';
          return this.tween('style.' + name, function (d, i) {
              var f = tween.call(this, d, i, d3_window.getComputedStyle(this, null).getPropertyValue(name));
              return f && function (t) {
                      this.style.setProperty(name, f(t), priority);
                  };
          });
      };
      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 () {
          return this.each('end.transition', function () {
              var p;
              if (!this.__transition__ && (p = this.parentNode))
                  p.removeChild(this);
          });
      };
      d3_transitionPrototype.ease = function (value) {
          var id = this.id;
          if (arguments.length < 1)
              return this.node().__transition__[id].ease;
          if (typeof value !== 'function')
              value = d3.ease.apply(d3, arguments);
          return d3_selection_each(this, function (node) {
              node.__transition__[id].ease = value;
          });
      };
      d3_transitionPrototype.delay = function (value) {
          var id = this.id;
          return d3_selection_each(this, typeof value === 'function' ? function (node, i, j) {
              node.__transition__[id].delay = value.call(node, node.__data__, i, j) | 0;
          } : (value |= 0, function (node) {
              node.__transition__[id].delay = value;
          }));
      };
      d3_transitionPrototype.duration = function (value) {
          var id = this.id;
          return d3_selection_each(this, typeof value === 'function' ? function (node, i, j) {
              node.__transition__[id].duration = Math.max(1, value.call(node, node.__data__, i, j) | 0);
          } : (value = Math.max(1, value | 0), function (node) {
              node.__transition__[id].duration = value;
          }));
      };
      d3_transitionPrototype.each = function (type, listener) {
          var id = this.id;
          if (arguments.length < 2) {
              var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId;
              d3_transitionInheritId = id;
              d3_selection_each(this, function (node, i, j) {
                  d3_transitionInherit = node.__transition__[id];
                  type.call(node, node.__data__, i, j);
              });
              d3_transitionInherit = inherit;
              d3_transitionInheritId = inheritId;
          } else {
              d3_selection_each(this, function (node) {
                  node.__transition__[id].event.on(type, listener);
              });
          }
          return this;
      };
      d3_transitionPrototype.transition = function () {
          var id0 = this.id, id1 = ++d3_transitionId, 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 = Object.create(node.__transition__[id0]);
                      transition.delay += transition.duration;
                      d3_transitionNode(node, i, id1, transition);
                  }
                  subgroup.push(node);
              }
          }
          return d3_transition(subgroups, id1);
      };
      d3_transitionPrototype.tween = function (name, tween) {
          var id = this.id;
          if (arguments.length < 2)
              return this.node().__transition__[id].tween.get(name);
          return d3_selection_each(this, tween == null ? function (node) {
              node.__transition__[id].tween.remove(name);
          } : function (node) {
              node.__transition__[id].tween.set(name, tween);
          });
      };
      function d3_transition_tween(groups, name, value, tween) {
          var id = groups.id;
          return d3_selection_each(groups, typeof value === 'function' ? function (node, i, j) {
              node.__transition__[id].tween.set(name, tween(value.call(node, node.__data__, i, j)));
          } : (value = tween(value), function (node) {
              node.__transition__[id].tween.set(name, value);
          }));
      }
      var d3_timer_id = 0, d3_timer_byId = {}, d3_timer_queue = null, d3_timer_interval, d3_timer_timeout;
      d3.timer = function (callback, delay, then) {
          if (arguments.length < 3) {
              if (arguments.length < 2)
                  delay = 0;
              else if (!isFinite(delay))
                  return;
              then = Date.now();
          }
          var timer = d3_timer_byId[callback.id];
          if (timer && timer.callback === callback) {
              timer.then = then;
              timer.delay = delay;
          } else
              d3_timer_byId[callback.id = ++d3_timer_id] = d3_timer_queue = {
                  callback: callback,
                  then: then,
                  delay: delay,
                  next: d3_timer_queue
              };
          if (!d3_timer_interval) {
              d3_timer_timeout = clearTimeout(d3_timer_timeout);
              d3_timer_interval = 1;
              d3_timer_frame(d3_timer_step);
          }
      };
      function d3_timer_step() {
          var elapsed, now = Date.now(), t1 = d3_timer_queue;
          while (t1) {
              elapsed = now - t1.then;
              if (elapsed >= t1.delay)
                  t1.flush = t1.callback(elapsed);
              t1 = t1.next;
          }
          var delay = d3_timer_flush() - 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 () {
          var elapsed, now = Date.now(), t1 = d3_timer_queue;
          while (t1) {
              elapsed = now - t1.then;
              if (!t1.delay)
                  t1.flush = t1.callback(elapsed);
              t1 = t1.next;
          }
          d3_timer_flush();
      };
      function d3_timer_flush() {
          var t0 = null, t1 = d3_timer_queue, then = Infinity;
          while (t1) {
              if (t1.flush) {
                  delete d3_timer_byId[t1.callback.id];
                  t1 = t0 ? t0.next = t1.next : d3_timer_queue = t1.next;
              } else {
                  then = Math.min(then, t1.then + t1.delay);
                  t1 = (t0 = t1).next;
              }
          }
          return then;
      }
      var d3_timer_frame = d3_window.requestAnimationFrame || d3_window.webkitRequestAnimationFrame || d3_window.mozRequestAnimationFrame || d3_window.oRequestAnimationFrame || d3_window.msRequestAnimationFrame || function (callback) {
              setTimeout(callback, 17);
          };
      d3.mouse = function (container) {
          return d3_mousePoint(container, d3_eventSource());
      };
      var d3_mouse_bug44083 = /WebKit/.test(d3_window.navigator.userAgent) ? -1 : 0;
      function d3_mousePoint(container, e) {
          var svg = container.ownerSVGElement || container;
          if (svg.createSVGPoint) {
              var point = svg.createSVGPoint();
              if (d3_mouse_bug44083 < 0 && (d3_window.scrollX || d3_window.scrollY)) {
                  svg = d3.select(d3_document.body).append('svg').style('position', 'absolute').style('top', 0).style('left', 0);
                  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.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;
          }) : [];
      };
      function d3_noop() {
      }
      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_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;
          }
          if (nice = nice(x1 - x0)) {
              domain[i0] = nice.floor(x0);
              domain[i1] = nice.ceil(x1);
          }
          return domain;
      }
      function d3_scale_niceDefault() {
          return Math;
      }
      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) {
              return d3_scale_linearTickFormat(domain, m);
          };
          scale.nice = function () {
              d3_scale_nice(domain, d3_scale_linearNice);
              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(dx) {
          dx = Math.pow(10, Math.round(Math.log(dx) / Math.LN10) - 1);
          return dx && {
                  floor: function (x) {
                      return Math.floor(x / dx) * dx;
                  },
                  ceil: function (x) {
                      return Math.ceil(x / dx) * dx;
                  }
              };
      }
      function d3_scale_linearTickRange(domain, m) {
          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 <= 0.15)
              step *= 10;
          else if (err <= 0.35)
              step *= 5;
          else if (err <= 0.75)
              step *= 2;
          extent[0] = Math.ceil(extent[0] / step) * step;
          extent[1] = Math.floor(extent[1] / step) * step + step * 0.5;
          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) {
          return d3.format(',.' + Math.max(0, -Math.floor(Math.log(d3_scale_linearTickRange(domain, m)[2]) / Math.LN10 + 0.01)) + 'f');
      }
      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_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.log = function () {
          return d3_scale_log(d3.scale.linear(), d3_scale_logp);
      };
      function d3_scale_log(linear, log) {
          var pow = log.pow;
          function scale(x) {
              return linear(log(x));
          }
          scale.invert = function (x) {
              return pow(linear.invert(x));
          };
          scale.domain = function (x) {
              if (!arguments.length)
                  return linear.domain().map(pow);
              log = x[0] < 0 ? d3_scale_logn : d3_scale_logp;
              pow = log.pow;
              linear.domain(x.map(log));
              return scale;
          };
          scale.nice = function () {
              linear.domain(d3_scale_nice(linear.domain(), d3_scale_niceDefault));
              return scale;
          };
          scale.ticks = function () {
              var extent = d3_scaleExtent(linear.domain()), ticks = [];
              if (extent.every(isFinite)) {
                  var i = Math.floor(extent[0]), j = Math.ceil(extent[1]), u = pow(extent[0]), v = pow(extent[1]);
                  if (log === d3_scale_logn) {
                      ticks.push(pow(i));
                      for (; i++ < j;)
                          for (var k = 9; k > 0; k--)
                              ticks.push(pow(i) * k);
                  } else {
                      for (; i < j; i++)
                          for (var k = 1; k < 10; k++)
                              ticks.push(pow(i) * k);
                      ticks.push(pow(i));
                  }
                  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 < 2)
                  format = d3_scale_logFormat;
              if (!arguments.length)
                  return format;
              var k = Math.max(0.1, n / scale.ticks().length), f = log === d3_scale_logn ? (e = -1e-12, Math.floor) : (e = 1e-12, Math.ceil), e;
              return function (d) {
                  return d / pow(f(log(d) + e)) <= k ? format(d) : '';
              };
          };
          scale.copy = function () {
              return d3_scale_log(linear.copy(), log);
          };
          return d3_scale_linearRebind(scale, linear);
      }
      var d3_scale_logFormat = d3.format('.0e');
      function d3_scale_logp(x) {
          return Math.log(x < 0 ? 0 : x) / Math.LN10;
      }
      function d3_scale_logn(x) {
          return -Math.log(x > 0 ? 0 : -x) / Math.LN10;
      }
      d3_scale_logp.pow = function (x) {
          return Math.pow(10, x);
      };
      d3_scale_logn.pow = function (x) {
          return -Math.pow(10, -x);
      };
      d3.scale.pow = function () {
          return d3_scale_pow(d3.scale.linear(), 1);
      };
      function d3_scale_pow(linear, exponent) {
          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 linear.domain().map(powb);
              linear.domain(x.map(powp));
              return scale;
          };
          scale.ticks = function (m) {
              return d3_scale_linearTicks(scale.domain(), m);
          };
          scale.tickFormat = function (m) {
              return d3_scale_linearTickFormat(scale.domain(), m);
          };
          scale.nice = function () {
              return scale.domain(d3_scale_nice(scale.domain(), d3_scale_linearNice));
          };
          scale.exponent = function (x) {
              if (!arguments.length)
                  return exponent;
              var domain = scale.domain();
              powp = d3_scale_powPow(exponent = x);
              powb = d3_scale_powPow(1 / exponent);
              return scale.domain(domain);
          };
          scale.copy = function () {
              return d3_scale_pow(linear.copy(), exponent);
          };
          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(0.5);
      };
      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) || index.set(x, domain.push(x))) - 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 = (stop - start) / (Math.max(1, domain.length - 1) + padding);
              range = steps(domain.length < 2 ? (start + stop) / 2 : start + step * padding / 2, step);
              rangeBand = 0;
              ranger = {
                  t: 'rangePoints',
                  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)), error = stop - start - (domain.length - padding) * step;
              range = steps(start + Math.round(error / 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 = [
          '#1f77b4',
          '#ff7f0e',
          '#2ca02c',
          '#d62728',
          '#9467bd',
          '#8c564b',
          '#e377c2',
          '#7f7f7f',
          '#bcbd22',
          '#17becf'
      ];
      var d3_category20 = [
          '#1f77b4',
          '#aec7e8',
          '#ff7f0e',
          '#ffbb78',
          '#2ca02c',
          '#98df8a',
          '#d62728',
          '#ff9896',
          '#9467bd',
          '#c5b0d5',
          '#8c564b',
          '#c49c94',
          '#e377c2',
          '#f7b6d2',
          '#7f7f7f',
          '#c7c7c7',
          '#bcbd22',
          '#dbdb8d',
          '#17becf',
          '#9edae5'
      ];
      var d3_category20b = [
          '#393b79',
          '#5254a3',
          '#6b6ecf',
          '#9c9ede',
          '#637939',
          '#8ca252',
          '#b5cf6b',
          '#cedb9c',
          '#8c6d31',
          '#bd9e39',
          '#e7ba52',
          '#e7cb94',
          '#843c39',
          '#ad494a',
          '#d6616b',
          '#e7969c',
          '#7b4173',
          '#a55194',
          '#ce6dbd',
          '#de9ed6'
      ];
      var d3_category20c = [
          '#3182bd',
          '#6baed6',
          '#9ecae1',
          '#c6dbef',
          '#e6550d',
          '#fd8d3c',
          '#fdae6b',
          '#fdd0a2',
          '#31a354',
          '#74c476',
          '#a1d99b',
          '#c7e9c0',
          '#756bb1',
          '#9e9ac8',
          '#bcbddc',
          '#dadaeb',
          '#636363',
          '#969696',
          '#bdbdbd',
          '#d9d9d9'
      ];
      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 NaN;
              return range[d3.bisect(thresholds, x)];
          }
          scale.domain = function (x) {
              if (!arguments.length)
                  return domain;
              domain = x.filter(function (d) {
                  return !isNaN(d);
              }).sort(d3.ascending);
              return rescale();
          };
          scale.range = function (x) {
              if (!arguments.length)
                  return range;
              range = x;
              return rescale();
          };
          scale.quantiles = function () {
              return thresholds;
          };
          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.copy = function () {
              return d3_scale_quantize(x0, x1, range);
          };
          return rescale();
      }
      d3.scale.threshold = function () {
          return d3_scale_threshold([0.5], [
              0,
              1
          ]);
      };
      function d3_scale_threshold(domain, range) {
          function scale(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.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) {
              return d3_scale_linearTickFormat(domain, m);
          };
          identity.copy = function () {
              return d3_scale_identity(domain);
          };
          return identity;
      }
      d3.svg = {};
      d3.svg.arc = function () {
          var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
          function arc() {
              var r0 = innerRadius.apply(this, arguments), r1 = outerRadius.apply(this, arguments), a0 = startAngle.apply(this, arguments) + d3_svg_arcOffset, a1 = endAngle.apply(this, arguments) + d3_svg_arcOffset, da = (a1 < a0 && (da = a0, a0 = a1, a1 = da), a1 - a0), df = da < π ? '0' : '1', c0 = Math.cos(a0), s0 = Math.sin(a0), c1 = Math.cos(a1), s1 = Math.sin(a1);
              return da >= d3_svg_arcMax ? r0 ? 'M0,' + r1 + 'A' + r1 + ',' + r1 + ' 0 1,1 0,' + -r1 + 'A' + r1 + ',' + r1 + ' 0 1,1 0,' + r1 + 'M0,' + r0 + 'A' + r0 + ',' + r0 + ' 0 1,0 0,' + -r0 + 'A' + r0 + ',' + r0 + ' 0 1,0 0,' + r0 + 'Z' : 'M0,' + r1 + 'A' + r1 + ',' + r1 + ' 0 1,1 0,' + -r1 + 'A' + r1 + ',' + r1 + ' 0 1,1 0,' + r1 + 'Z' : r0 ? 'M' + r1 * c0 + ',' + r1 * s0 + 'A' + r1 + ',' + r1 + ' 0 ' + df + ',1 ' + r1 * c1 + ',' + r1 * s1 + 'L' + r0 * c1 + ',' + r0 * s1 + 'A' + r0 + ',' + r0 + ' 0 ' + df + ',0 ' + r0 * c0 + ',' + r0 * s0 + 'Z' : 'M' + r1 * c0 + ',' + r1 * s0 + 'A' + r1 + ',' + r1 + ' 0 ' + df + ',1 ' + r1 * c1 + ',' + r1 * s1 + 'L0,0' + 'Z';
          }
          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.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.centroid = function () {
              var r = (innerRadius.apply(this, arguments) + outerRadius.apply(this, arguments)) / 2, a = (startAngle.apply(this, arguments) + endAngle.apply(this, arguments)) / 2 + d3_svg_arcOffset;
              return [
                  Math.cos(a) * r,
                  Math.sin(a) * r
              ];
          };
          return arc;
      };
      var d3_svg_arcOffset = -π / 2, d3_svg_arcMax = 2 * π - 0.000001;
      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_line(projection) {
          var x = d3_svg_lineX, y = d3_svg_lineY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = 0.7;
          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);
      };
      function d3_svg_lineX(d) {
          return d[0];
      }
      function d3_svg_lineY(d) {
          return d[1];
      }
      var d3_svg_lineInterpolators = d3.map({
          linear: d3_svg_lineLinear,
          'linear-closed': d3_svg_lineLinearClosed,
          '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.join('L');
      }
      function d3_svg_lineLinearClosed(points) {
          return d3_svg_lineLinear(points) + 'Z';
      }
      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, points.length - 1), d3_svg_lineCardinalTangents(points, tension));
      }
      function d3_svg_lineCardinalClosed(points, tension) {
          return points.length < 3 ? d3_svg_lineLinear(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
          ];
          d3_svg_lineBasisBezier(path, px, py);
          while (++i < n) {
              pi = points[i];
              px.shift();
              px.push(pi[0]);
              py.shift();
              py.push(pi[1]);
              d3_svg_lineBasisBezier(path, px, py);
          }
          i = -1;
          while (++i < 2) {
              px.shift();
              px.push(pi[0]);
              py.shift();
              py.push(pi[1]);
              d3_svg_lineBasisBezier(path, px, py);
          }
          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 (Math.abs(d) < 0.000001) {
                  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] + d3_svg_arcOffset;
              point[0] = r * Math.cos(a);
              point[1] = r * Math.sin(a);
          }
          return points;
      }
      function d3_svg_area(projection) {
          var x0 = d3_svg_lineX, x1 = d3_svg_lineX, y0 = 0, y1 = d3_svg_lineY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = 'L', tension = 0.7;
          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) + d3_svg_arcOffset, a1 = endAngle.call(self, subgroup, i) + d3_svg_arcOffset;
              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] + d3_svg_arcOffset;
              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.svg.axis = function () {
          var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, tickMajorSize = 6, tickMinorSize = 6, tickEndSize = 6, tickPadding = 3, tickArguments_ = [10], tickValues = null, tickFormat_, tickSubdivide = 0;
          function axis(g) {
              g.each(function () {
                  var g = d3.select(this);
                  var ticks = tickValues == null ? scale.ticks ? scale.ticks.apply(scale, tickArguments_) : scale.domain() : tickValues, tickFormat = tickFormat_ == null ? scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments_) : String : tickFormat_;
                  var subticks = d3_svg_axisSubdivide(scale, ticks, tickSubdivide), subtick = g.selectAll('.tick.minor').data(subticks, String), subtickEnter = subtick.enter().insert('line', '.tick').attr('class', 'tick minor').style('opacity', 0.000001), subtickExit = d3.transition(subtick.exit()).style('opacity', 0.000001).remove(), subtickUpdate = d3.transition(subtick).style('opacity', 1);
                  var tick = g.selectAll('.tick.major').data(ticks, String), tickEnter = tick.enter().insert('g', 'path').attr('class', 'tick major').style('opacity', 0.000001), tickExit = d3.transition(tick.exit()).style('opacity', 0.000001).remove(), tickUpdate = d3.transition(tick).style('opacity', 1), tickTransform;
                  var range = d3_scaleRange(scale), path = g.selectAll('.domain').data([0]), pathUpdate = (path.enter().append('path').attr('class', 'domain'), d3.transition(path));
                  var scale1 = scale.copy(), scale0 = this.__chart__ || scale1;
                  this.__chart__ = scale1;
                  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');
                  switch (orient) {
                      case 'bottom': {
                          tickTransform = d3_svg_axisX;
                          subtickEnter.attr('y2', tickMinorSize);
                          subtickUpdate.attr('x2', 0).attr('y2', tickMinorSize);
                          lineEnter.attr('y2', tickMajorSize);
                          textEnter.attr('y', Math.max(tickMajorSize, 0) + tickPadding);
                          lineUpdate.attr('x2', 0).attr('y2', tickMajorSize);
                          textUpdate.attr('x', 0).attr('y', Math.max(tickMajorSize, 0) + tickPadding);
                          text.attr('dy', '.71em').style('text-anchor', 'middle');
                          pathUpdate.attr('d', 'M' + range[0] + ',' + tickEndSize + 'V0H' + range[1] + 'V' + tickEndSize);
                          break;
                      }
                      case 'top': {
                          tickTransform = d3_svg_axisX;
                          subtickEnter.attr('y2', -tickMinorSize);
                          subtickUpdate.attr('x2', 0).attr('y2', -tickMinorSize);
                          lineEnter.attr('y2', -tickMajorSize);
                          textEnter.attr('y', -(Math.max(tickMajorSize, 0) + tickPadding));
                          lineUpdate.attr('x2', 0).attr('y2', -tickMajorSize);
                          textUpdate.attr('x', 0).attr('y', -(Math.max(tickMajorSize, 0) + tickPadding));
                          text.attr('dy', '0em').style('text-anchor', 'middle');
                          pathUpdate.attr('d', 'M' + range[0] + ',' + -tickEndSize + 'V0H' + range[1] + 'V' + -tickEndSize);
                          break;
                      }
                      case 'left': {
                          tickTransform = d3_svg_axisY;
                          subtickEnter.attr('x2', -tickMinorSize);
                          subtickUpdate.attr('x2', -tickMinorSize).attr('y2', 0);
                          lineEnter.attr('x2', -tickMajorSize);
                          textEnter.attr('x', -(Math.max(tickMajorSize, 0) + tickPadding));
                          lineUpdate.attr('x2', -tickMajorSize).attr('y2', 0);
                          textUpdate.attr('x', -(Math.max(tickMajorSize, 0) + tickPadding)).attr('y', 0);
                          text.attr('dy', '.32em').style('text-anchor', 'end');
                          pathUpdate.attr('d', 'M' + -tickEndSize + ',' + range[0] + 'H0V' + range[1] + 'H' + -tickEndSize);
                          break;
                      }
                      case 'right': {
                          tickTransform = d3_svg_axisY;
                          subtickEnter.attr('x2', tickMinorSize);
                          subtickUpdate.attr('x2', tickMinorSize).attr('y2', 0);
                          lineEnter.attr('x2', tickMajorSize);
                          textEnter.attr('x', Math.max(tickMajorSize, 0) + tickPadding);
                          lineUpdate.attr('x2', tickMajorSize).attr('y2', 0);
                          textUpdate.attr('x', Math.max(tickMajorSize, 0) + tickPadding).attr('y', 0);
                          text.attr('dy', '.32em').style('text-anchor', 'start');
                          pathUpdate.attr('d', 'M' + tickEndSize + ',' + range[0] + 'H0V' + range[1] + 'H' + tickEndSize);
                          break;
                      }
                  }
                  if (scale.ticks) {
                      tickEnter.call(tickTransform, scale0);
                      tickUpdate.call(tickTransform, scale1);
                      tickExit.call(tickTransform, scale1);
                      subtickEnter.call(tickTransform, scale0);
                      subtickUpdate.call(tickTransform, scale1);
                      subtickExit.call(tickTransform, scale1);
                  } else {
                      var dx = scale1.rangeBand() / 2, x = function (d) {
                          return scale1(d) + dx;
                      };
                      tickEnter.call(tickTransform, x);
                      tickUpdate.call(tickTransform, x);
                  }
              });
          }
          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_ = 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, y) {
              if (!arguments.length)
                  return tickMajorSize;
              var n = arguments.length - 1;
              tickMajorSize = +x;
              tickMinorSize = n > 1 ? +y : tickMajorSize;
              tickEndSize = n > 0 ? +arguments[n] : tickMajorSize;
              return axis;
          };
          axis.tickPadding = function (x) {
              if (!arguments.length)
                  return tickPadding;
              tickPadding = +x;
              return axis;
          };
          axis.tickSubdivide = function (x) {
              if (!arguments.length)
                  return tickSubdivide;
              tickSubdivide = +x;
              return axis;
          };
          return axis;
      };
      var d3_svg_axisDefaultOrient = 'bottom', d3_svg_axisOrients = {
          top: 1,
          right: 1,
          bottom: 1,
          left: 1
      };
      function d3_svg_axisX(selection, x) {
          selection.attr('transform', function (d) {
              return 'translate(' + x(d) + ',0)';
          });
      }
      function d3_svg_axisY(selection, y) {
          selection.attr('transform', function (d) {
              return 'translate(0,' + y(d) + ')';
          });
      }
      function d3_svg_axisSubdivide(scale, ticks, m) {
          subticks = [];
          if (m && ticks.length > 1) {
              var extent = d3_scaleExtent(scale.domain()), subticks, i = -1, n = ticks.length, d = (ticks[1] - ticks[0]) / ++m, j, v;
              while (++i < n) {
                  for (j = m; --j > 0;) {
                      if ((v = +ticks[i] - j * d) >= extent[0]) {
                          subticks.push(v);
                      }
                  }
              }
              for (--i, j = 0; ++j < m && (v = +ticks[i] + j * d) < extent[1];) {
                  subticks.push(v);
              }
          }
          return subticks;
      }
      d3.svg.brush = function () {
          var event = d3_eventDispatch(brush, 'brushstart', 'brush', 'brushend'), x = null, y = null, resizes = d3_svg_brushResizes[0], extent = [
              [
                  0,
                  0
              ],
              [
                  0,
                  0
              ]
          ], extentDomain;
          function brush(g) {
              g.each(function () {
                  var g = d3.select(this), bg = g.selectAll('.background').data([0]), fg = g.selectAll('.extent').data([0]), tz = g.selectAll('.resize').data(resizes, String), e;
                  g.style('pointer-events', 'all').on('mousedown.brush', brushstart).on('touchstart.brush', brushstart);
                  bg.enter().append('rect').attr('class', 'background').style('visibility', 'hidden').style('cursor', 'crosshair');
                  fg.enter().append('rect').attr('class', 'extent').style('cursor', 'move');
                  tz.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');
                  tz.style('display', brush.empty() ? 'none' : null);
                  tz.exit().remove();
                  if (x) {
                      e = d3_scaleRange(x);
                      bg.attr('x', e[0]).attr('width', e[1] - e[0]);
                      redrawX(g);
                  }
                  if (y) {
                      e = d3_scaleRange(y);
                      bg.attr('y', e[0]).attr('height', e[1] - e[0]);
                      redrawY(g);
                  }
                  redraw(g);
              });
          }
          function redraw(g) {
              g.selectAll('.resize').attr('transform', function (d) {
                  return 'translate(' + extent[+/e$/.test(d)][0] + ',' + extent[+/^s/.test(d)][1] + ')';
              });
          }
          function redrawX(g) {
              g.select('.extent').attr('x', extent[0][0]);
              g.selectAll('.extent,.n>rect,.s>rect').attr('width', extent[1][0] - extent[0][0]);
          }
          function redrawY(g) {
              g.select('.extent').attr('y', extent[0][1]);
              g.selectAll('.extent,.e>rect,.w>rect').attr('height', extent[1][1] - extent[0][1]);
          }
          function brushstart() {
              var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed('extent'), center, origin = mouse(), offset;
              var w = d3.select(d3_window).on('mousemove.brush', brushmove).on('mouseup.brush', brushend).on('touchmove.brush', brushmove).on('touchend.brush', brushend).on('keydown.brush', keydown).on('keyup.brush', keyup);
              if (dragging) {
                  origin[0] = extent[0][0] - origin[0];
                  origin[1] = extent[0][1] - origin[1];
              } else if (resizing) {
                  var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing);
                  offset = [
                      extent[1 - ex][0] - origin[0],
                      extent[1 - ey][1] - origin[1]
                  ];
                  origin[0] = extent[ex][0];
                  origin[1] = extent[ey][1];
              } 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();
              d3_eventCancel();
              function mouse() {
                  var touches = d3.event.changedTouches;
                  return touches ? d3.touches(target, touches)[0] : d3.mouse(target);
              }
              function keydown() {
                  if (d3.event.keyCode == 32) {
                      if (!dragging) {
                          center = null;
                          origin[0] -= extent[1][0];
                          origin[1] -= extent[1][1];
                          dragging = 2;
                      }
                      d3_eventCancel();
                  }
              }
              function keyup() {
                  if (d3.event.keyCode == 32 && dragging == 2) {
                      origin[0] += extent[1][0];
                      origin[1] += extent[1][1];
                      dragging = 0;
                      d3_eventCancel();
                  }
              }
              function brushmove() {
                  var point = mouse(), moved = false;
                  if (offset) {
                      point[0] += offset[0];
                      point[1] += offset[1];
                  }
                  if (!dragging) {
                      if (d3.event.altKey) {
                          if (!center)
                              center = [
                                  (extent[0][0] + extent[1][0]) / 2,
                                  (extent[0][1] + extent[1][1]) / 2
                              ];
                          origin[0] = extent[+(point[0] < center[0])][0];
                          origin[1] = extent[+(point[1] < center[1])][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], size = extent[1][i] - extent[0][i], min, max;
                  if (dragging) {
                      r0 -= position;
                      r1 -= size + position;
                  }
                  min = Math.max(r0, Math.min(r1, 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][i] !== min || extent[1][i] !== max) {
                      extentDomain = null;
                      extent[0][i] = min;
                      extent[1][i] = 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);
                  event_({ type: 'brushend' });
                  d3_eventCancel();
              }
          }
          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.extent = function (z) {
              var x0, x1, y0, y1, t;
              if (!arguments.length) {
                  z = extentDomain || extent;
                  if (x) {
                      x0 = z[0][0], x1 = z[1][0];
                      if (!extentDomain) {
                          x0 = extent[0][0], x1 = extent[1][0];
                          if (x.invert)
                              x0 = x.invert(x0), x1 = x.invert(x1);
                          if (x1 < x0)
                              t = x0, x0 = x1, x1 = t;
                      }
                  }
                  if (y) {
                      y0 = z[0][1], y1 = z[1][1];
                      if (!extentDomain) {
                          y0 = extent[0][1], y1 = extent[1][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
                  ];
              }
              extentDomain = [
                  [
                      0,
                      0
                  ],
                  [
                      0,
                      0
                  ]
              ];
              if (x) {
                  x0 = z[0], x1 = z[1];
                  if (y)
                      x0 = x0[0], x1 = x1[0];
                  extentDomain[0][0] = x0, extentDomain[1][0] = x1;
                  if (x.invert)
                      x0 = x(x0), x1 = x(x1);
                  if (x1 < x0)
                      t = x0, x0 = x1, x1 = t;
                  extent[0][0] = x0 | 0, extent[1][0] = x1 | 0;
              }
              if (y) {
                  y0 = z[0], y1 = z[1];
                  if (x)
                      y0 = y0[1], y1 = y1[1];
                  extentDomain[0][1] = y0, extentDomain[1][1] = y1;
                  if (y.invert)
                      y0 = y(y0), y1 = y(y1);
                  if (y1 < y0)
                      t = y0, y0 = y1, y1 = t;
                  extent[0][1] = y0 | 0, extent[1][1] = y1 | 0;
              }
              return brush;
          };
          brush.clear = function () {
              extentDomain = null;
              extent[0][0] = extent[0][1] = extent[1][0] = extent[1][1] = 0;
              return brush;
          };
          brush.empty = function () {
              return x && extent[0][0] === extent[1][0] || y && extent[0][1] === extent[1][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'
          ],
          []
      ];
      d3.behavior = {};
      d3.behavior.drag = function () {
          var event = d3_eventDispatch(drag, 'drag', 'dragstart', 'dragend'), origin = null;
          function drag() {
              this.on('mousedown.drag', mousedown).on('touchstart.drag', mousedown);
          }
          function mousedown() {
              var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, touchId = d3.event.touches ? d3.event.changedTouches[0].identifier : null, offset, origin_ = point(), moved = 0;
              var w = d3.select(d3_window).on(touchId != null ? 'touchmove.drag-' + touchId : 'mousemove.drag', dragmove).on(touchId != null ? 'touchend.drag-' + touchId : 'mouseup.drag', dragend, true);
              if (origin) {
                  offset = origin.apply(target, arguments);
                  offset = [
                      offset.x - origin_[0],
                      offset.y - origin_[1]
                  ];
              } else {
                  offset = [
                      0,
                      0
                  ];
              }
              if (touchId == null)
                  d3_eventCancel();
              event_({ type: 'dragstart' });
              function point() {
                  var p = target.parentNode;
                  return touchId != null ? d3.touches(p).filter(function (p) {
                      return p.identifier === touchId;
                  })[0] : d3.mouse(p);
              }
              function dragmove() {
                  if (!target.parentNode)
                      return dragend();
                  var p = point(), dx = p[0] - origin_[0], dy = p[1] - origin_[1];
                  moved |= dx | dy;
                  origin_ = p;
                  d3_eventCancel();
                  event_({
                      type: 'drag',
                      x: p[0] + offset[0],
                      y: p[1] + offset[1],
                      dx: dx,
                      dy: dy
                  });
              }
              function dragend() {
                  event_({ type: 'dragend' });
                  if (moved) {
                      d3_eventCancel();
                      if (d3.event.target === eventTarget)
                          w.on('click.drag', click, true);
                  }
                  w.on(touchId != null ? 'touchmove.drag-' + touchId : 'mousemove.drag', null).on(touchId != null ? 'touchend.drag-' + touchId : 'mouseup.drag', null);
              }
              function click() {
                  d3_eventCancel();
                  w.on('click.drag', null);
              }
          }
          drag.origin = function (x) {
              if (!arguments.length)
                  return origin;
              origin = x;
              return drag;
          };
          return d3.rebind(drag, event, 'on');
      };
      d3.behavior.zoom = function () {
          var translate = [
              0,
              0
          ], translate0, scale = 1, scale0, scaleExtent = d3_behavior_zoomInfinity, event = d3_eventDispatch(zoom, 'zoom'), x0, x1, y0, y1, touchtime;
          function zoom() {
              this.on('mousedown.zoom', mousedown).on('mousemove.zoom', mousemove).on(d3_behavior_zoomWheel + '.zoom', mousewheel).on('dblclick.zoom', dblclick).on('touchstart.zoom', touchstart).on('touchmove.zoom', touchmove).on('touchend.zoom', touchstart);
          }
          zoom.translate = function (x) {
              if (!arguments.length)
                  return translate;
              translate = x.map(Number);
              rescale();
              return zoom;
          };
          zoom.scale = function (x) {
              if (!arguments.length)
                  return scale;
              scale = +x;
              rescale();
              return zoom;
          };
          zoom.scaleExtent = function (x) {
              if (!arguments.length)
                  return scaleExtent;
              scaleExtent = x == null ? d3_behavior_zoomInfinity : x.map(Number);
              return zoom;
          };
          zoom.x = function (z) {
              if (!arguments.length)
                  return x1;
              x1 = z;
              x0 = z.copy();
              translate = [
                  0,
                  0
              ];
              scale = 1;
              return zoom;
          };
          zoom.y = function (z) {
              if (!arguments.length)
                  return y1;
              y1 = z;
              y0 = z.copy();
              translate = [
                  0,
                  0
              ];
              scale = 1;
              return zoom;
          };
          function location(p) {
              return [
                  (p[0] - translate[0]) / scale,
                  (p[1] - translate[1]) / scale
              ];
          }
          function point(l) {
              return [
                  l[0] * scale + translate[0],
                  l[1] * scale + translate[1]
              ];
          }
          function scaleTo(s) {
              scale = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
          }
          function translateTo(p, l) {
              l = point(l);
              translate[0] += p[0] - l[0];
              translate[1] += p[1] - l[1];
          }
          function rescale() {
              if (x1)
                  x1.domain(x0.range().map(function (x) {
                      return (x - translate[0]) / scale;
                  }).map(x0.invert));
              if (y1)
                  y1.domain(y0.range().map(function (y) {
                      return (y - translate[1]) / scale;
                  }).map(y0.invert));
          }
          function dispatch(event) {
              rescale();
              d3.event.preventDefault();
              event({
                  type: 'zoom',
                  scale: scale,
                  translate: translate
              });
          }
          function mousedown() {
              var target = this, event_ = event.of(target, arguments), eventTarget = d3.event.target, moved = 0, w = d3.select(d3_window).on('mousemove.zoom', mousemove).on('mouseup.zoom', mouseup), l = location(d3.mouse(target));
              d3_window.focus();
              d3_eventCancel();
              function mousemove() {
                  moved = 1;
                  translateTo(d3.mouse(target), l);
                  dispatch(event_);
              }
              function mouseup() {
                  if (moved)
                      d3_eventCancel();
                  w.on('mousemove.zoom', null).on('mouseup.zoom', null);
                  if (moved && d3.event.target === eventTarget)
                      w.on('click.zoom', click, true);
              }
              function click() {
                  d3_eventCancel();
                  w.on('click.zoom', null);
              }
          }
          function mousewheel() {
              if (!translate0)
                  translate0 = location(d3.mouse(this));
              scaleTo(Math.pow(2, d3_behavior_zoomDelta() * 0.002) * scale);
              translateTo(d3.mouse(this), translate0);
              dispatch(event.of(this, arguments));
          }
          function mousemove() {
              translate0 = null;
          }
          function dblclick() {
              var p = d3.mouse(this), l = location(p), k = Math.log(scale) / Math.LN2;
              scaleTo(Math.pow(2, d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1));
              translateTo(p, l);
              dispatch(event.of(this, arguments));
          }
          function touchstart() {
              var touches = d3.touches(this), now = Date.now();
              scale0 = scale;
              translate0 = {};
              touches.forEach(function (t) {
                  translate0[t.identifier] = location(t);
              });
              d3_eventCancel();
              if (touches.length === 1) {
                  if (now - touchtime < 500) {
                      var p = touches[0], l = location(touches[0]);
                      scaleTo(scale * 2);
                      translateTo(p, l);
                      dispatch(event.of(this, arguments));
                  }
                  touchtime = now;
              }
          }
          function touchmove() {
              var touches = d3.touches(this), p0 = touches[0], l0 = translate0[p0.identifier];
              if (p1 = touches[1]) {
                  var p1, l1 = translate0[p1.identifier];
                  p0 = [
                      (p0[0] + p1[0]) / 2,
                      (p0[1] + p1[1]) / 2
                  ];
                  l0 = [
                      (l0[0] + l1[0]) / 2,
                      (l0[1] + l1[1]) / 2
                  ];
                  scaleTo(d3.event.scale * scale0);
              }
              translateTo(p0, l0);
              touchtime = null;
              dispatch(event.of(this, arguments));
          }
          return d3.rebind(zoom, event, 'on');
      };
      var d3_behavior_zoomInfinity = [
          0,
          Infinity
      ];
      var d3_behavior_zoomDelta, d3_behavior_zoomWheel = 'onwheel' in document ? (d3_behavior_zoomDelta = function () {
          return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1);
      }, 'wheel') : 'onmousewheel' in document ? (d3_behavior_zoomDelta = function () {
          return d3.event.wheelDelta;
      }, 'mousewheel') : (d3_behavior_zoomDelta = function () {
          return -d3.event.detail;
      }, 'MozMousePixelScroll');
      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 = (2 * π - 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: (x - x0) / k
                  };
                  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'), size = [
              1,
              1
          ], drag, alpha, friction = 0.9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, gravity = 0.1, theta = 0.8, 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, dn = 1 / Math.sqrt(dx * dx + dy * dy);
                      if ((x2 - x1) * dn < theta) {
                          var k = quad.charge * dn * dn;
                          node.px -= dx * k;
                          node.py -= dy * k;
                          return true;
                      }
                      if (quad.point && isFinite(dn)) {
                          var k = quad.pointCharge * dn * dn;
                          node.px -= dx * k;
                          node.py -= dy * k;
                      }
                  }
                  return !quad.charge;
              };
          }
          force.tick = function () {
              if ((alpha *= 0.99) < 0.005) {
                  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));
                      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.gravity = function (x) {
              if (!arguments.length)
                  return gravity;
              gravity = +x;
              return force;
          };
          force.theta = function (x) {
              if (!arguments.length)
                  return theta;
              theta = +x;
              return force;
          };
          force.alpha = function (x) {
              if (!arguments.length)
                  return alpha;
              x = +x;
              if (alpha) {
                  if (x > 0)
                      alpha = x;
                  else
                      alpha = 0;
              } else if (x > 0) {
                  event.start({
                      type: 'start',
                      alpha: alpha = x
                  });
                  d3.timer(force.tick);
              }
              return force;
          };
          force.start = function () {
              var i, j, 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) {
                  var neighbors = neighbor(i), j = -1, m = neighbors.length, x;
                  while (++j < m)
                      if (!isNaN(x = neighbors[j][dimension]))
                          return x;
                  return Math.random() * size;
              }
              function neighbor() {
                  if (!neighbors) {
                      neighbors = [];
                      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);
                      }
                  }
                  return neighbors[i];
              }
              return force.resume();
          };
          force.resume = function () {
              return force.alpha(0.1);
          };
          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() - 0.5;
                  quad.point.y += Math.random() - 0.5;
              }
              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.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 = 2 * π;
          function pie(data) {
              var values = data.map(function (d, i) {
                  return +value.call(pie, d, i);
              });
              var a = +(typeof startAngle === 'function' ? startAngle.apply(this, arguments) : startAngle);
              var k = ((typeof endAngle === 'function' ? endAngle.apply(this, arguments) : endAngle) - startAngle) / d3.sum(values);
              var index = d3.range(data.length);
              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]);
                  });
              var arcs = [];
              index.forEach(function (i) {
                  var d;
                  arcs[i] = {
                      data: data[i],
                      value: d = values[i],
                      startAngle: a,
                      endAngle: a += d * k
                  };
              });
              return arcs;
          }
          pie.value = function (x) {
              if (!arguments.length)
                  return value;
              value = x;
              return pie;
          };
          pie.sort = function (x) {
              if (!arguments.length)
                  return sort;
              sort = x;
              return pie;
          };
          pie.startAngle = function (x) {
              if (!arguments.length)
                  return startAngle;
              startAngle = x;
              return pie;
          };
          pie.endAngle = function (x) {
              if (!arguments.length)
                  return endAngle;
              endAngle = x;
              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) {
              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 n = series.length, m = series[0].length, 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.hierarchy = function () {
          var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue;
          function recurse(node, depth, nodes) {
              var childs = children.call(hierarchy, node, depth);
              node.depth = depth;
              nodes.push(node);
              if (childs && (n = childs.length)) {
                  var i = -1, n, c = node.children = [], v = 0, j = depth + 1, d;
                  while (++i < n) {
                      d = recurse(childs[i], j, nodes);
                      d.parent = node;
                      c.push(d);
                      v += d.value;
                  }
                  if (sort)
                      c.sort(sort);
                  if (value)
                      node.value = v;
              } else if (value) {
                  node.value = +value.call(hierarchy, node, depth) || 0;
              }
              return node;
          }
          function revalue(node, depth) {
              var children = node.children, v = 0;
              if (children && (n = children.length)) {
                  var i = -1, n, j = depth + 1;
                  while (++i < n)
                      v += revalue(children[i], j);
              } else if (value) {
                  v = +value.call(hierarchy, node, depth) || 0;
              }
              if (value)
                  node.value = v;
              return v;
          }
          function hierarchy(d) {
              var nodes = [];
              recurse(d, 0, nodes);
              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) {
              revalue(root, 0);
              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_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.pack = function () {
          var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [
              1,
              1
          ];
          function pack(d, i) {
              var nodes = hierarchy.call(this, d, i), root = nodes[0];
              root.x = 0;
              root.y = 0;
              d3_layout_treeVisitAfter(root, function (d) {
                  d.r = Math.sqrt(d.value);
              });
              d3_layout_treeVisitAfter(root, d3_layout_packSiblings);
              var w = size[0], h = size[1], k = Math.max(2 * root.r / w, 2 * root.r / h);
              if (padding > 0) {
                  var dr = padding * k / 2;
                  d3_layout_treeVisitAfter(root, function (d) {
                      d.r += dr;
                  });
                  d3_layout_treeVisitAfter(root, d3_layout_packSiblings);
                  d3_layout_treeVisitAfter(root, function (d) {
                      d.r -= dr;
                  });
                  k = Math.max(2 * root.r / w, 2 * root.r / h);
              }
              d3_layout_packTransform(root, w / 2, h / 2, 1 / k);
              return nodes;
          }
          pack.size = function (x) {
              if (!arguments.length)
                  return size;
              size = x;
              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 dr * dr - dx * dx - dy * dy > 0.001;
      }
      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 = 0.5 + (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.cluster = function () {
          var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [
              1,
              1
          ];
          function cluster(d, i) {
              var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0;
              d3_layout_treeVisitAfter(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_treeVisitAfter(root, 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 size;
              size = x;
              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.tree = function () {
          var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [
              1,
              1
          ];
          function tree(d, i) {
              var nodes = hierarchy.call(this, d, i), root = nodes[0];
              function firstWalk(node, previousSibling) {
                  var children = node.children, layout = node._tree;
                  if (children && (n = children.length)) {
                      var n, firstChild = children[0], previousChild, ancestor = firstChild, child, i = -1;
                      while (++i < n) {
                          child = children[i];
                          firstWalk(child, previousChild);
                          ancestor = apportion(child, previousChild, ancestor);
                          previousChild = child;
                      }
                      d3_layout_treeShift(node);
                      var midpoint = 0.5 * (firstChild._tree.prelim + child._tree.prelim);
                      if (previousSibling) {
                          layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
                          layout.mod = layout.prelim - midpoint;
                      } else {
                          layout.prelim = midpoint;
                      }
                  } else {
                      if (previousSibling) {
                          layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
                      }
                  }
              }
              function secondWalk(node, x) {
                  node.x = node._tree.prelim + x;
                  var children = node.children;
                  if (children && (n = children.length)) {
                      var i = -1, n;
                      x += node._tree.mod;
                      while (++i < n) {
                          secondWalk(children[i], x);
                      }
                  }
              }
              function apportion(node, previousSibling, ancestor) {
                  if (previousSibling) {
                      var vip = node, vop = node, vim = previousSibling, vom = node.parent.children[0], sip = vip._tree.mod, sop = vop._tree.mod, sim = vim._tree.mod, som = vom._tree.mod, 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._tree.ancestor = node;
                          shift = vim._tree.prelim + sim - vip._tree.prelim - sip + separation(vim, vip);
                          if (shift > 0) {
                              d3_layout_treeMove(d3_layout_treeAncestor(vim, node, ancestor), node, shift);
                              sip += shift;
                              sop += shift;
                          }
                          sim += vim._tree.mod;
                          sip += vip._tree.mod;
                          som += vom._tree.mod;
                          sop += vop._tree.mod;
                      }
                      if (vim && !d3_layout_treeRight(vop)) {
                          vop._tree.thread = vim;
                          vop._tree.mod += sim - sop;
                      }
                      if (vip && !d3_layout_treeLeft(vom)) {
                          vom._tree.thread = vip;
                          vom._tree.mod += sip - som;
                          ancestor = node;
                      }
                  }
                  return ancestor;
              }
              d3_layout_treeVisitAfter(root, function (node, previousSibling) {
                  node._tree = {
                      ancestor: node,
                      prelim: 0,
                      mod: 0,
                      change: 0,
                      shift: 0,
                      number: previousSibling ? previousSibling._tree.number + 1 : 0
                  };
              });
              firstWalk(root);
              secondWalk(root, -root._tree.prelim);
              var left = d3_layout_treeSearch(root, d3_layout_treeLeftmost), right = d3_layout_treeSearch(root, d3_layout_treeRightmost), deep = d3_layout_treeSearch(root, d3_layout_treeDeepest), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2, y1 = deep.depth || 1;
              d3_layout_treeVisitAfter(root, function (node) {
                  node.x = (node.x - x0) / (x1 - x0) * size[0];
                  node.y = node.depth / y1 * size[1];
                  delete node._tree;
              });
              return nodes;
          }
          tree.separation = function (x) {
              if (!arguments.length)
                  return separation;
              separation = x;
              return tree;
          };
          tree.size = function (x) {
              if (!arguments.length)
                  return size;
              size = x;
              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(node) {
          var children = node.children;
          return children && children.length ? children[0] : node._tree.thread;
      }
      function d3_layout_treeRight(node) {
          var children = node.children, n;
          return children && (n = children.length) ? children[n - 1] : node._tree.thread;
      }
      function d3_layout_treeSearch(node, compare) {
          var children = node.children;
          if (children && (n = children.length)) {
              var child, n, i = -1;
              while (++i < n) {
                  if (compare(child = d3_layout_treeSearch(children[i], compare), node) > 0) {
                      node = child;
                  }
              }
          }
          return node;
      }
      function d3_layout_treeRightmost(a, b) {
          return a.x - b.x;
      }
      function d3_layout_treeLeftmost(a, b) {
          return b.x - a.x;
      }
      function d3_layout_treeDeepest(a, b) {
          return a.depth - b.depth;
      }
      function d3_layout_treeVisitAfter(node, callback) {
          function visit(node, previousSibling) {
              var children = node.children;
              if (children && (n = children.length)) {
                  var child, previousChild = null, i = -1, n;
                  while (++i < n) {
                      child = children[i];
                      visit(child, previousChild);
                      previousChild = child;
                  }
              }
              callback(node, previousSibling);
          }
          visit(node, null);
      }
      function d3_layout_treeShift(node) {
          var shift = 0, change = 0, children = node.children, i = children.length, child;
          while (--i >= 0) {
              child = children[i]._tree;
              child.prelim += shift;
              child.mod += shift;
              shift += child.shift + (change += child.change);
          }
      }
      function d3_layout_treeMove(ancestor, node, shift) {
          ancestor = ancestor._tree;
          node = node._tree;
          var change = shift / (node.number - ancestor.number);
          ancestor.change += change;
          node.change -= change;
          node.shift += shift;
          node.prelim += shift;
          node.mod += shift;
      }
      function d3_layout_treeAncestor(vim, node, ancestor) {
          return vim._tree.ancestor.parent == node.parent ? vim._tree.ancestor : ancestor;
      }
      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 = 0.5 * (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 = 0;
              root.y = 0;
              root.dx = size[0];
              root.dy = size[1];
              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
          };
      }
      function d3_dsv(delimiter, mimeType) {
          var reFormat = new RegExp('["' + delimiter + '\n]'), delimiterCode = delimiter.charCodeAt(0);
          function dsv(url, callback) {
              return d3.xhr(url, mimeType, callback).response(response);
          }
          function response(request) {
              return dsv.parse(request.responseText);
          }
          dsv.parse = function (text) {
              var o;
              return dsv.parseRows(text, function (row) {
                  if (o)
                      return o(row);
                  o = new Function('d', 'return {' + row.map(function (name, i) {
                          return JSON.stringify(name) + ': d[' + i + ']';
                      }).join(',') + '}');
              });
          };
          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.substring(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.substring(j, I - k);
                  }
                  return text.substring(j);
              }
              while ((t = token()) !== EOF) {
                  var a = [];
                  while (t !== EOL && t !== EOF) {
                      a.push(t);
                      t = token();
                  }
                  if (f && !(a = f(a, n++)))
                      continue;
                  rows.push(a);
              }
              return rows;
          };
          dsv.format = 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('\t', 'text/tab-separated-values');
      d3.geo = {};
      d3.geo.stream = function (object, listener) {
          if (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 (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) {
              var coordinate = object.coordinates;
              listener.point(coordinate[0], coordinate[1]);
          },
          MultiPoint: function (object, listener) {
              var coordinates = object.coordinates, i = -1, n = coordinates.length, coordinate;
              while (++i < n)
                  coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1]);
          },
          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]);
          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();
      }
      function d3_geo_spherical(cartesian) {
          return [
              Math.atan2(cartesian[1], cartesian[0]),
              Math.asin(Math.max(-1, Math.min(1, cartesian[2])))
          ];
      }
      function d3_geo_sphericalEqual(a, b) {
          return Math.abs(a[0] - b[0]) < ε && Math.abs(a[1] - b[1]) < ε;
      }
      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_resample(project) {
          var δ2 = 0.5, maxDepth = 16;
          function resample(stream) {
              var λ0, x0, y0, a0, b0, c0;
              var resample = {
                  point: point,
                  lineStart: lineStart,
                  lineEnd: lineEnd,
                  polygonStart: function () {
                      stream.polygonStart();
                      resample.lineStart = polygonLineStart;
                  },
                  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 polygonLineStart() {
                  var λ00, φ00, x00, y00, a00, b00, c00;
                  lineStart();
                  resample.point = function (λ, φ) {
                      linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;
                      resample.point = linePoint;
                  };
                  resample.lineEnd = function () {
                      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 = Math.abs(Math.abs(c) - 1) < 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 || Math.abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3) {
                      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.albersUsa = function () {
          var lower48 = d3.geo.albers();
          var alaska = d3.geo.albers().rotate([
              160,
              0
          ]).center([
              0,
              60
          ]).parallels([
              55,
              65
          ]);
          var hawaii = d3.geo.albers().rotate([
              160,
              0
          ]).center([
              0,
              20
          ]).parallels([
              8,
              18
          ]);
          var puertoRico = d3.geo.albers().rotate([
              60,
              0
          ]).center([
              0,
              10
          ]).parallels([
              8,
              18
          ]);
          function albersUsa(coordinates) {
              return projection(coordinates)(coordinates);
          }
          function projection(point) {
              var lon = point[0], lat = point[1];
              return lat > 50 ? alaska : lon < -140 ? hawaii : lat < 21 ? puertoRico : lower48;
          }
          albersUsa.scale = function (x) {
              if (!arguments.length)
                  return lower48.scale();
              lower48.scale(x);
              alaska.scale(x * 0.6);
              hawaii.scale(x);
              puertoRico.scale(x * 1.5);
              return albersUsa.translate(lower48.translate());
          };
          albersUsa.translate = function (x) {
              if (!arguments.length)
                  return lower48.translate();
              var dz = lower48.scale(), dx = x[0], dy = x[1];
              lower48.translate(x);
              alaska.translate([
                  dx - 0.4 * dz,
                  dy + 0.17 * dz
              ]);
              hawaii.translate([
                  dx - 0.19 * dz,
                  dy + 0.2 * dz
              ]);
              puertoRico.translate([
                  dx + 0.58 * dz,
                  dy + 0.43 * dz
              ]);
              return albersUsa;
          };
          return albersUsa.scale(lower48.scale());
      };
      function d3_geo_albers(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 albers(λ, φ) {
              var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n;
              return [
                  ρ * Math.sin(λ *= n),
                  ρ0 - ρ * Math.cos(λ)
              ];
          }
          albers.invert = function (x, y) {
              var ρ0_y = ρ0 - y;
              return [
                  Math.atan2(x, ρ0_y) / n,
                  Math.asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n))
              ];
          };
          return albers;
      }
      (d3.geo.albers = function () {
          var φ0 = 29.5 * d3_radians, φ1 = 45.5 * d3_radians, m = d3_geo_projectionMutator(d3_geo_albers), p = m(φ0, φ1);
          p.parallels = function (_) {
              if (!arguments.length)
                  return [
                      φ0 * d3_degrees,
                      φ1 * d3_degrees
                  ];
              return m(φ0 = _[0] * d3_radians, φ1 = _[1] * d3_radians);
          };
          return p.rotate([
              98,
              0
          ]).center([
              0,
              38
          ]).scale(1000);
      }).raw = d3_geo_albers;
      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;
      d3.geo.bounds = d3_geo_bounds(d3_identity);
      function d3_geo_bounds(projectStream) {
          var x0, y0, x1, y1;
          var bound = {
              point: boundPoint,
              lineStart: d3_noop,
              lineEnd: d3_noop,
              polygonStart: function () {
                  bound.lineEnd = boundPolygonLineEnd;
              },
              polygonEnd: function () {
                  bound.point = boundPoint;
              }
          };
          function boundPoint(x, y) {
              if (x < x0)
                  x0 = x;
              if (x > x1)
                  x1 = x;
              if (y < y0)
                  y0 = y;
              if (y > y1)
                  y1 = y;
          }
          function boundPolygonLineEnd() {
              bound.point = bound.lineEnd = d3_noop;
          }
          return function (feature) {
              y1 = x1 = -(x0 = y0 = Infinity);
              d3.geo.stream(feature, projectStream(bound));
              return [
                  [
                      x0,
                      y0
                  ],
                  [
                      x1,
                      y1
                  ]
              ];
          };
      }
      d3.geo.centroid = function (object) {
          d3_geo_centroidDimension = d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
          d3.geo.stream(object, d3_geo_centroid);
          var m;
          if (d3_geo_centroidW && Math.abs(m = Math.sqrt(d3_geo_centroidX * d3_geo_centroidX + d3_geo_centroidY * d3_geo_centroidY + d3_geo_centroidZ * d3_geo_centroidZ)) > ε) {
              return [
                  Math.atan2(d3_geo_centroidY, d3_geo_centroidX) * d3_degrees,
                  Math.asin(Math.max(-1, Math.min(1, d3_geo_centroidZ / m))) * d3_degrees
              ];
          }
      };
      var d3_geo_centroidDimension, d3_geo_centroidW, d3_geo_centroidX, d3_geo_centroidY, d3_geo_centroidZ;
      var d3_geo_centroid = {
          sphere: function () {
              if (d3_geo_centroidDimension < 2) {
                  d3_geo_centroidDimension = 2;
                  d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
              }
          },
          point: d3_geo_centroidPoint,
          lineStart: d3_geo_centroidLineStart,
          lineEnd: d3_geo_centroidLineEnd,
          polygonStart: function () {
              if (d3_geo_centroidDimension < 2) {
                  d3_geo_centroidDimension = 2;
                  d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
              }
              d3_geo_centroid.lineStart = d3_geo_centroidRingStart;
          },
          polygonEnd: function () {
              d3_geo_centroid.lineStart = d3_geo_centroidLineStart;
          }
      };
      function d3_geo_centroidPoint(λ, φ) {
          if (d3_geo_centroidDimension)
              return;
          ++d3_geo_centroidW;
          λ *= d3_radians;
          var cosφ = Math.cos(φ *= d3_radians);
          d3_geo_centroidX += (cosφ * Math.cos(λ) - d3_geo_centroidX) / d3_geo_centroidW;
          d3_geo_centroidY += (cosφ * Math.sin(λ) - d3_geo_centroidY) / d3_geo_centroidW;
          d3_geo_centroidZ += (Math.sin(φ) - d3_geo_centroidZ) / d3_geo_centroidW;
      }
      function d3_geo_centroidRingStart() {
          var λ00, φ00;
          d3_geo_centroidDimension = 1;
          d3_geo_centroidLineStart();
          d3_geo_centroidDimension = 2;
          var linePoint = d3_geo_centroid.point;
          d3_geo_centroid.point = function (λ, φ) {
              linePoint(λ00 = λ, φ00 = φ);
          };
          d3_geo_centroid.lineEnd = function () {
              d3_geo_centroid.point(λ00, φ00);
              d3_geo_centroidLineEnd();
              d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd;
          };
      }
      function d3_geo_centroidLineStart() {
          var x0, y0, z0;
          if (d3_geo_centroidDimension > 1)
              return;
          if (d3_geo_centroidDimension < 1) {
              d3_geo_centroidDimension = 1;
              d3_geo_centroidW = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
          }
          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;
          };
          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_centroidW += w;
              d3_geo_centroidX += w * (x0 + (x0 = x));
              d3_geo_centroidY += w * (y0 + (y0 = y));
              d3_geo_centroidZ += w * (z0 + (z0 = z));
          }
      }
      function d3_geo_centroidLineEnd() {
          d3_geo_centroid.point = d3_geo_centroidPoint;
      }
      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(radians, precision) {
          var cr = Math.cos(radians), sr = Math.sin(radians);
          return function (from, to, direction, listener) {
              if (from != null) {
                  from = d3_geo_circleAngle(cr, from);
                  to = d3_geo_circleAngle(cr, to);
                  if (direction > 0 ? from < to : from > to)
                      from += direction * 2 * π;
              } else {
                  from = radians + direction * 2 * π;
                  to = radians;
              }
              var point;
              for (var step = direction * precision, 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 = Math.acos(Math.max(-1, Math.min(1, -a[1])));
          return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI);
      }
      function d3_geo_clip(pointVisible, clipLine, interpolate) {
          return function (listener) {
              var line = clipLine(listener);
              var clip = {
                  point: point,
                  lineStart: lineStart,
                  lineEnd: lineEnd,
                  polygonStart: function () {
                      clip.point = pointRing;
                      clip.lineStart = ringStart;
                      clip.lineEnd = ringEnd;
                      invisible = false;
                      invisibleArea = visibleArea = 0;
                      segments = [];
                      listener.polygonStart();
                  },
                  polygonEnd: function () {
                      clip.point = point;
                      clip.lineStart = lineStart;
                      clip.lineEnd = lineEnd;
                      segments = d3.merge(segments);
                      if (segments.length) {
                          d3_geo_clipPolygon(segments, interpolate, listener);
                      } else if (visibleArea < -ε || invisible && invisibleArea < -ε) {
                          listener.lineStart();
                          interpolate(null, null, 1, listener);
                          listener.lineEnd();
                      }
                      listener.polygonEnd();
                      segments = null;
                  },
                  sphere: function () {
                      listener.polygonStart();
                      listener.lineStart();
                      interpolate(null, null, 1, listener);
                      listener.lineEnd();
                      listener.polygonEnd();
                  }
              };
              function point(λ, φ) {
                  if (pointVisible(λ, φ))
                      listener.point(λ, φ);
              }
              function pointLine(λ, φ) {
                  line.point(λ, φ);
              }
              function lineStart() {
                  clip.point = pointLine;
                  line.lineStart();
              }
              function lineEnd() {
                  clip.point = point;
                  line.lineEnd();
              }
              var segments, visibleArea, invisibleArea, invisible;
              var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), ring;
              function pointRing(λ, φ) {
                  ringListener.point(λ, φ);
                  ring.push([
                      λ,
                      φ
                  ]);
              }
              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;
                  if (!n) {
                      invisible = true;
                      invisibleArea += d3_geo_clipAreaRing(ring, -1);
                      ring = null;
                      return;
                  }
                  ring = null;
                  if (clean & 1) {
                      segment = ringSegments[0];
                      visibleArea += d3_geo_clipAreaRing(segment, 1);
                      var n = segment.length - 1, i = -1, point;
                      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_clipPolygon(segments, interpolate, listener) {
          var subject = [], clip = [];
          segments.forEach(function (segment) {
              if ((n = segment.length) <= 1)
                  return;
              var n, p0 = segment[0], p1 = segment[n - 1];
              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 = {
                  point: p0,
                  points: segment,
                  other: null,
                  visited: false,
                  entry: true,
                  subject: true
              }, b = {
                  point: p0,
                  points: [p0],
                  other: a,
                  visited: false,
                  entry: false,
                  subject: false
              };
              a.other = b;
              subject.push(a);
              clip.push(b);
              a = {
                  point: p1,
                  points: [p1],
                  other: null,
                  visited: false,
                  entry: false,
                  subject: true
              };
              b = {
                  point: p1,
                  points: [p1],
                  other: a,
                  visited: false,
                  entry: true,
                  subject: false
              };
              a.other = b;
              subject.push(a);
              clip.push(b);
          });
          clip.sort(d3_geo_clipSort);
          d3_geo_clipLinkCircular(subject);
          d3_geo_clipLinkCircular(clip);
          if (!subject.length)
              return;
          var start = subject[0], current, points, point;
          while (1) {
              current = start;
              while (current.visited)
                  if ((current = current.next) === start)
                      return;
              points = current.points;
              listener.lineStart();
              do {
                  current.visited = current.other.visited = true;
                  if (current.entry) {
                      if (current.subject) {
                          for (var i = 0; i < points.length; i++)
                              listener.point((point = points[i])[0], point[1]);
                      } else {
                          interpolate(current.point, current.next.point, 1, listener);
                      }
                      current = current.next;
                  } else {
                      if (current.subject) {
                          points = current.prev.points;
                          for (var i = points.length; --i >= 0;)
                              listener.point((point = points[i])[0], point[1]);
                      } else {
                          interpolate(current.point, current.prev.point, -1, listener);
                      }
                      current = current.prev;
                  }
                  current = current.other;
                  points = current.points;
              } while (!current.visited);
              listener.lineEnd();
          }
      }
      function d3_geo_clipLinkCircular(array) {
          if (!(n = array.length))
              return;
          var n, i = 0, a = array[0], b;
          while (++i < n) {
              a.next = b = array[i];
              b.prev = a;
              a = b;
          }
          a.next = b = array[0];
          b.prev = a;
      }
      function d3_geo_clipSort(a, b) {
          return ((a = a.point)[0] < 0 ? a[1] - π / 2 - ε : π / 2 - a[1]) - ((b = b.point)[0] < 0 ? b[1] - π / 2 - ε : π / 2 - b[1]);
      }
      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;
              }
          };
      }
      function d3_geo_clipAreaRing(ring, invisible) {
          if (!(n = ring.length))
              return 0;
          var n, i = 0, area = 0, p = ring[0], λ = p[0], φ = p[1], cosφ = Math.cos(φ), x0 = Math.atan2(invisible * Math.sin(λ) * cosφ, Math.sin(φ)), y0 = 1 - invisible * Math.cos(λ) * cosφ, x1 = x0, x, y;
          while (++i < n) {
              p = ring[i];
              cosφ = Math.cos(φ = p[1]);
              x = Math.atan2(invisible * Math.sin(λ = p[0]) * cosφ, Math.sin(φ));
              y = 1 - invisible * Math.cos(λ) * cosφ;
              if (Math.abs(y0 - 2) < ε && Math.abs(y - 2) < ε)
                  continue;
              if (Math.abs(y) < ε || Math.abs(y0) < ε) {
              } else if (Math.abs(Math.abs(x - x0) - π) < ε) {
                  if (y + y0 > 2)
                      area += 4 * (x - x0);
              } else if (Math.abs(y0 - 2) < ε)
                  area += 4 * (x - x1);
              else
                  area += ((3 * π + x - x0) % (2 * π) - π) * (y0 + y);
              x1 = x0, x0 = x, y0 = y;
          }
          return area;
      }
      var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate);
      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 = Math.abs(λ1 - λ0);
                  if (Math.abs(dλ - π) < ε) {
                      listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? π / 2 : -π / 2);
                      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 (Math.abs(λ0 - sλ0) < ε)
                          λ0 -= sλ0 * ε;
                      if (Math.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 Math.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 * π / 2;
              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 (Math.abs(from[0] - to[0]) > ε) {
              var s = (from[0] < to[0] ? 1 : -1) * 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_clipCircle(degrees) {
          var radians = degrees * d3_radians, cr = Math.cos(radians), interpolate = d3_geo_circleInterpolate(radians, 6 * d3_radians);
          return d3_geo_clip(visible, clipLine, interpolate);
          function visible(λ, φ) {
              return Math.cos(λ) * Math.cos(φ) > cr;
          }
          function clipLine(listener) {
              var point0, v0, v00, clean;
              return {
                  lineStart: function () {
                      v00 = v0 = false;
                      clean = 1;
                  },
                  point: function (λ, φ) {
                      var point1 = [
                          λ,
                          φ
                      ], point2, v = visible(λ, φ);
                      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 (v0 = 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;
                      }
                      if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1)))
                          listener.point(point1[0], point1[1]);
                      point0 = point1;
                  },
                  lineEnd: function () {
                      if (v0)
                          listener.lineEnd();
                      point0 = null;
                  },
                  clean: function () {
                      return clean | (v00 && v0) << 1;
                  }
              };
          }
          function intersect(a, b) {
              var pa = d3_geo_cartesian(a, 0), pb = d3_geo_cartesian(b, 0);
              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 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), t = Math.sqrt(w * w - uu * (d3_geo_cartesianDot(A, A) - 1)), q = d3_geo_cartesianScale(u, (-w - t) / uu);
              d3_geo_cartesianAdd(q, A);
              return d3_geo_spherical(q);
          }
      }
      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_geo_equirectangular(λ, φ) {
          return [
              λ,
              φ
          ];
      }
      (d3.geo.equirectangular = function () {
          return d3_geo_projection(d3_geo_equirectangular).scale(250 / π);
      }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular;
      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;
      d3.geo.graticule = function () {
          var x1, x0, y1, y0, dx = 22.5, dy = dx, 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));
          }
          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 [
                      [
                          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 [
                      dx,
                      dy
                  ];
              dx = +_[0], dy = +_[1];
              return graticule;
          };
          graticule.precision = function (_) {
              if (!arguments.length)
                  return precision;
              precision = +_;
              x = d3_geo_graticuleX(y0, y1, precision);
              y = d3_geo_graticuleY(x0, x1, precision);
              return graticule;
          };
          return graticule.extent([
              [
                  -180 + ε,
                  -90 + ε
              ],
              [
                  180 - ε,
                  90 - 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_geo_haversin(x) {
          return (x = Math.sin(x / 2)) * x;
      }
      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_geo_haversin(y1 - y0) + cy0 * cy1 * d3_geo_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.greatArc = function () {
          var source = d3_source, source_, target = d3_target, target_, precision = 6 * d3_radians, interpolate;
          function greatArc() {
              var p0 = source_ || source.apply(this, arguments), p1 = target_ || target.apply(this, arguments), i = interpolate || d3.geo.interpolate(p0, p1), t = 0, dt = precision / i.distance, coordinates = [p0];
              while ((t += dt) < 1)
                  coordinates.push(i(t));
              coordinates.push(p1);
              return {
                  type: 'LineString',
                  coordinates: coordinates
              };
          }
          greatArc.distance = function () {
              return (interpolate || d3.geo.interpolate(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments))).distance;
          };
          greatArc.source = function (_) {
              if (!arguments.length)
                  return source;
              source = _, source_ = typeof _ === 'function' ? null : _;
              interpolate = source_ && target_ ? d3.geo.interpolate(source_, target_) : null;
              return greatArc;
          };
          greatArc.target = function (_) {
              if (!arguments.length)
                  return target;
              target = _, target_ = typeof _ === 'function' ? null : _;
              interpolate = source_ && target_ ? d3.geo.interpolate(source_, target_) : null;
              return greatArc;
          };
          greatArc.precision = function (_) {
              if (!arguments.length)
                  return precision / d3_radians;
              precision = _ * d3_radians;
              return greatArc;
          };
          return greatArc;
      };
      function d3_geo_mercator(λ, φ) {
          return [
              λ / (2 * π),
              Math.max(-0.5, Math.min(+0.5, Math.log(Math.tan(π / 4 + φ / 2)) / (2 * π)))
          ];
      }
      d3_geo_mercator.invert = function (x, y) {
          return [
              2 * π * x,
              2 * Math.atan(Math.exp(2 * π * y)) - π / 2
          ];
      };
      (d3.geo.mercator = function () {
          return d3_geo_projection(d3_geo_mercator).scale(500);
      }).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;
      d3.geo.path = function () {
          var pointRadius = 4.5, projection, context, projectStream, contextStream;
          function path(object) {
              if (object)
                  d3.geo.stream(object, projectStream(contextStream.pointRadius(typeof pointRadius === 'function' ? +pointRadius.apply(this, arguments) : pointRadius)));
              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_centroidDimension = d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
              d3.geo.stream(object, projectStream(d3_geo_pathCentroid));
              return d3_geo_centroidZ ? [
                  d3_geo_centroidX / d3_geo_centroidZ,
                  d3_geo_centroidY / d3_geo_centroidZ
              ] : undefined;
          };
          path.bounds = function (object) {
              return d3_geo_bounds(projectStream)(object);
          };
          path.projection = function (_) {
              if (!arguments.length)
                  return projection;
              projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity;
              return path;
          };
          path.context = function (_) {
              if (!arguments.length)
                  return context;
              contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_);
              return path;
          };
          path.pointRadius = function (_) {
              if (!arguments.length)
                  return pointRadius;
              pointRadius = typeof _ === 'function' ? _ : +_;
              return path;
          };
          return path.projection(d3.geo.albersUsa()).context(null);
      };
      function d3_geo_pathCircle(radius) {
          return 'm0,' + radius + 'a' + radius + ',' + radius + ' 0 1,1 0,' + -2 * radius + 'a' + radius + ',' + radius + ' 0 1,1 0,' + +2 * radius + 'z';
      }
      function d3_geo_pathProjectStream(project) {
          var resample = d3_geo_resample(function (λ, φ) {
              return project([
                  λ * d3_degrees,
                  φ * d3_degrees
              ]);
          });
          return function (stream) {
              stream = resample(stream);
              return {
                  point: function (λ, φ) {
                      stream.point(λ * d3_radians, φ * d3_radians);
                  },
                  sphere: function () {
                      stream.sphere();
                  },
                  lineStart: function () {
                      stream.lineStart();
                  },
                  lineEnd: function () {
                      stream.lineEnd();
                  },
                  polygonStart: function () {
                      stream.polygonStart();
                  },
                  polygonEnd: function () {
                      stream.polygonEnd();
                  }
              };
          };
      }
      function d3_geo_pathBuffer() {
          var pointCircle = d3_geo_pathCircle(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_pathCircle(_);
                  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_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, y);
              context.arc(x, y, pointRadius, 0, 2 * π);
          }
          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;
      }
      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 += Math.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_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) {
          if (d3_geo_centroidDimension)
              return;
          d3_geo_centroidX += x;
          d3_geo_centroidY += y;
          ++d3_geo_centroidZ;
      }
      function d3_geo_pathCentroidLineStart() {
          var x0, y0;
          if (d3_geo_centroidDimension !== 1) {
              if (d3_geo_centroidDimension < 1) {
                  d3_geo_centroidDimension = 1;
                  d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
              } else
                  return;
          }
          d3_geo_pathCentroid.point = function (x, y) {
              d3_geo_pathCentroid.point = nextPoint;
              x0 = x, y0 = y;
          };
          function nextPoint(x, y) {
              var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
              d3_geo_centroidX += z * (x0 + x) / 2;
              d3_geo_centroidY += z * (y0 + y) / 2;
              d3_geo_centroidZ += z;
              x0 = x, y0 = y;
          }
      }
      function d3_geo_pathCentroidLineEnd() {
          d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
      }
      function d3_geo_pathCentroidRingStart() {
          var x00, y00, x0, y0;
          if (d3_geo_centroidDimension < 2) {
              d3_geo_centroidDimension = 2;
              d3_geo_centroidX = d3_geo_centroidY = d3_geo_centroidZ = 0;
          }
          d3_geo_pathCentroid.point = function (x, y) {
              d3_geo_pathCentroid.point = nextPoint;
              x00 = x0 = x, y00 = y0 = y;
          };
          function nextPoint(x, y) {
              var z = y0 * x - x0 * y;
              d3_geo_centroidX += z * (x0 + x);
              d3_geo_centroidY += z * (y0 + y);
              d3_geo_centroidZ += z * 3;
              x0 = x, y0 = y;
          }
          d3_geo_pathCentroid.lineEnd = function () {
              nextPoint(x00, y00);
          };
      }
      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_areaRingU, d3_geo_areaRingV;
      var d3_geo_area = {
          sphere: function () {
              d3_geo_areaSum += 4 * π;
          },
          point: d3_noop,
          lineStart: d3_noop,
          lineEnd: d3_noop,
          polygonStart: function () {
              d3_geo_areaRingU = 1, d3_geo_areaRingV = 0;
              d3_geo_area.lineStart = d3_geo_areaRingStart;
          },
          polygonEnd: function () {
              var area = 2 * Math.atan2(d3_geo_areaRingV, d3_geo_areaRingU);
              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, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u0 = d3_geo_areaRingU, v0 = d3_geo_areaRingV, u = cosφ0 * cosφ + k * Math.cos(dλ), v = k * Math.sin(dλ);
              d3_geo_areaRingU = u0 * u - v0 * v;
              d3_geo_areaRingV = v0 * u + u0 * v;
              λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ;
          }
          d3_geo_area.lineEnd = function () {
              nextPoint(λ00, φ00);
          };
      }
      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, clip = d3_geo_clipAntimeridian, clipAngle = null;
          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 (stream) {
              return d3_geo_projectionRadiansRotate(rotate, clip(projectResample(stream)));
          };
          projection.clipAngle = function (_) {
              if (!arguments.length)
                  return clipAngle;
              clip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle(clipAngle = +_);
              return projection;
          };
          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 projection;
          }
          return function () {
              project = projectAt.apply(this, arguments);
              projection.invert = project.invert && invert;
              return reset();
          };
      }
      function d3_geo_projectionRadiansRotate(rotate, stream) {
          return {
              point: function (x, y) {
                  y = rotate(x * d3_radians, y * d3_radians), x = y[0];
                  stream.point(x > π ? x - 2 * π : x < -π ? x + 2 * π : x, y[1]);
              },
              sphere: function () {
                  stream.sphere();
              },
              lineStart: function () {
                  stream.lineStart();
              },
              lineEnd: function () {
                  stream.lineEnd();
              },
              polygonStart: function () {
                  stream.polygonStart();
              },
              polygonEnd: function () {
                  stream.polygonEnd();
              }
          };
      }
      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_equirectangular;
      }
      function d3_geo_forwardRotationλ(δλ) {
          return function (λ, φ) {
              return λ += δλ, [
                  λ > π ? λ - 2 * π : λ < -π ? λ + 2 * π : 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),
                  Math.asin(Math.max(-1, Math.min(1, 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),
                  Math.asin(Math.max(-1, Math.min(1, k * cosδφ - x * sinδφ)))
              ];
          };
          return rotation;
      }
      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_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;
      }
      d3.geom = {};
      d3.geom.hull = function (vertices) {
          if (vertices.length < 3)
              return [];
          var len = vertices.length, plen = len - 1, points = [], stack = [], i, j, h = 0, x1, y1, x2, y2, u, v, a, sp;
          for (i = 1; i < len; ++i) {
              if (vertices[i][1] < vertices[h][1]) {
                  h = i;
              } else if (vertices[i][1] == vertices[h][1]) {
                  h = vertices[i][0] < vertices[h][0] ? i : h;
              }
          }
          for (i = 0; i < len; ++i) {
              if (i === h)
                  continue;
              y1 = vertices[i][1] - vertices[h][1];
              x1 = vertices[i][0] - vertices[h][0];
              points.push({
                  angle: Math.atan2(y1, x1),
                  index: i
              });
          }
          points.sort(function (a, b) {
              return a.angle - b.angle;
          });
          a = points[0].angle;
          v = points[0].index;
          u = 0;
          for (i = 1; i < plen; ++i) {
              j = points[i].index;
              if (a == points[i].angle) {
                  x1 = vertices[v][0] - vertices[h][0];
                  y1 = vertices[v][1] - vertices[h][1];
                  x2 = vertices[j][0] - vertices[h][0];
                  y2 = vertices[j][1] - vertices[h][1];
                  if (x1 * x1 + y1 * y1 >= x2 * x2 + y2 * y2) {
                      points[i].index = -1;
                  } else {
                      points[u].index = -1;
                      a = points[i].angle;
                      u = i;
                      v = j;
                  }
              } else {
                  a = points[i].angle;
                  u = i;
                  v = j;
              }
          }
          stack.push(h);
          for (i = 0, j = 0; i < 2; ++j) {
              if (points[j].index !== -1) {
                  stack.push(points[j].index);
                  i++;
              }
          }
          sp = stack.length;
          for (; j < plen; ++j) {
              if (points[j].index === -1)
                  continue;
              while (!d3_geom_hullCCW(stack[sp - 2], stack[sp - 1], points[j].index, vertices)) {
                  --sp;
              }
              stack[sp++] = points[j].index;
          }
          var poly = [];
          for (i = 0; i < sp; ++i) {
              poly.push(vertices[stack[i]]);
          }
          return poly;
      };
      function d3_geom_hullCCW(i1, i2, i3, v) {
          var t, a, b, c, d, e, f;
          t = v[i1];
          a = t[0];
          b = t[1];
          t = v[i2];
          c = t[0];
          d = t[1];
          t = v[i3];
          e = t[0];
          f = t[1];
          return (f - b) * (c - a) - (d - b) * (e - a) > 0;
      }
      d3.geom.polygon = function (coordinates) {
          coordinates.area = function () {
              var i = 0, n = coordinates.length, area = coordinates[n - 1][1] * coordinates[0][0] - coordinates[n - 1][0] * coordinates[0][1];
              while (++i < n) {
                  area += coordinates[i - 1][1] * coordinates[i][0] - coordinates[i - 1][0] * coordinates[i][1];
              }
              return area * 0.5;
          };
          coordinates.centroid = function (k) {
              var i = -1, n = coordinates.length, x = 0, y = 0, a, b = coordinates[n - 1], c;
              if (!arguments.length)
                  k = -1 / (6 * coordinates.area());
              while (++i < n) {
                  a = b;
                  b = coordinates[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
              ];
          };
          coordinates.clip = function (subject) {
              var input, i = -1, n = coordinates.length, j, m, a = coordinates[n - 1], b, c, d;
              while (++i < n) {
                  input = subject.slice();
                  subject.length = 0;
                  b = coordinates[i];
                  c = input[(m = input.length) - 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;
                  }
                  a = b;
              }
              return subject;
          };
          return coordinates;
      };
      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
          ];
      }
      d3.geom.voronoi = function (vertices) {
          var polygons = vertices.map(function () {
              return [];
          }), Z = 1000000;
          d3_voronoi_tessellate(vertices, function (e) {
              var s1, s2, x1, x2, y1, y2;
              if (e.a === 1 && e.b >= 0) {
                  s1 = e.ep.r;
                  s2 = e.ep.l;
              } else {
                  s1 = e.ep.l;
                  s2 = e.ep.r;
              }
              if (e.a === 1) {
                  y1 = s1 ? s1.y : -Z;
                  x1 = e.c - e.b * y1;
                  y2 = s2 ? s2.y : Z;
                  x2 = e.c - e.b * y2;
              } else {
                  x1 = s1 ? s1.x : -Z;
                  y1 = e.c - e.a * x1;
                  x2 = s2 ? s2.x : Z;
                  y2 = e.c - e.a * x2;
              }
              var v1 = [
                  x1,
                  y1
              ], v2 = [
                  x2,
                  y2
              ];
              polygons[e.region.l.index].push(v1, v2);
              polygons[e.region.r.index].push(v1, v2);
          });
          polygons = polygons.map(function (polygon, i) {
              var cx = vertices[i][0], cy = vertices[i][1], angle = polygon.map(function (v) {
                  return Math.atan2(v[0] - cx, v[1] - cy);
              }), order = d3.range(polygon.length).sort(function (a, b) {
                  return angle[a] - angle[b];
              });
              return order.filter(function (d, i) {
                  return !i || angle[d] - angle[order[i - 1]] > ε;
              }).map(function (d) {
                  return polygon[d];
              });
          });
          polygons.forEach(function (polygon, i) {
              var n = polygon.length;
              if (!n)
                  return polygon.push([
                      -Z,
                      -Z
                  ], [
                      -Z,
                      Z
                  ], [
                      Z,
                      Z
                  ], [
                      Z,
                      -Z
                  ]);
              if (n > 2)
                  return;
              var p0 = vertices[i], p1 = polygon[0], p2 = polygon[1], x0 = p0[0], y0 = p0[1], x1 = p1[0], y1 = p1[1], x2 = p2[0], y2 = p2[1], dx = Math.abs(x2 - x1), dy = y2 - y1;
              if (Math.abs(dy) < ε) {
                  var y = y0 < y1 ? -Z : Z;
                  polygon.push([
                      -Z,
                      y
                  ], [
                      Z,
                      y
                  ]);
              } else if (dx < ε) {
                  var x = x0 < x1 ? -Z : Z;
                  polygon.push([
                      x,
                      -Z
                  ], [
                      x,
                      Z
                  ]);
              } else {
                  var y = (x2 - x1) * (y1 - y0) < (x1 - x0) * (y2 - y1) ? Z : -Z, z = Math.abs(dy) - dx;
                  if (Math.abs(z) < ε) {
                      polygon.push([
                          dy < 0 ? y : -y,
                          y
                      ]);
                  } else {
                      if (z > 0)
                          y *= -1;
                      polygon.push([
                          -Z,
                          y
                      ], [
                          Z,
                          y
                      ]);
                  }
              }
          });
          return polygons;
      };
      var d3_voronoi_opposite = {
          l: 'r',
          r: 'l'
      };
      function d3_voronoi_tessellate(vertices, callback) {
          var Sites = {
              list: vertices.map(function (v, i) {
                  return {
                      index: i,
                      x: v[0],
                      y: v[1]
                  };
              }).sort(function (a, b) {
                  return a.y < b.y ? -1 : a.y > b.y ? 1 : a.x < b.x ? -1 : a.x > b.x ? 1 : 0;
              }),
              bottomSite: null
          };
          var EdgeList = {
              list: [],
              leftEnd: null,
              rightEnd: null,
              init: function () {
                  EdgeList.leftEnd = EdgeList.createHalfEdge(null, 'l');
                  EdgeList.rightEnd = EdgeList.createHalfEdge(null, 'l');
                  EdgeList.leftEnd.r = EdgeList.rightEnd;
                  EdgeList.rightEnd.l = EdgeList.leftEnd;
                  EdgeList.list.unshift(EdgeList.leftEnd, EdgeList.rightEnd);
              },
              createHalfEdge: function (edge, side) {
                  return {
                      edge: edge,
                      side: side,
                      vertex: null,
                      l: null,
                      r: null
                  };
              },
              insert: function (lb, he) {
                  he.l = lb;
                  he.r = lb.r;
                  lb.r.l = he;
                  lb.r = he;
              },
              leftBound: function (p) {
                  var he = EdgeList.leftEnd;
                  do {
                      he = he.r;
                  } while (he != EdgeList.rightEnd && Geom.rightOf(he, p));
                  he = he.l;
                  return he;
              },
              del: function (he) {
                  he.l.r = he.r;
                  he.r.l = he.l;
                  he.edge = null;
              },
              right: function (he) {
                  return he.r;
              },
              left: function (he) {
                  return he.l;
              },
              leftRegion: function (he) {
                  return he.edge == null ? Sites.bottomSite : he.edge.region[he.side];
              },
              rightRegion: function (he) {
                  return he.edge == null ? Sites.bottomSite : he.edge.region[d3_voronoi_opposite[he.side]];
              }
          };
          var Geom = {
              bisect: function (s1, s2) {
                  var newEdge = {
                      region: {
                          l: s1,
                          r: s2
                      },
                      ep: {
                          l: null,
                          r: null
                      }
                  };
                  var dx = s2.x - s1.x, dy = s2.y - s1.y, adx = dx > 0 ? dx : -dx, ady = dy > 0 ? dy : -dy;
                  newEdge.c = s1.x * dx + s1.y * dy + (dx * dx + dy * dy) * 0.5;
                  if (adx > ady) {
                      newEdge.a = 1;
                      newEdge.b = dy / dx;
                      newEdge.c /= dx;
                  } else {
                      newEdge.b = 1;
                      newEdge.a = dx / dy;
                      newEdge.c /= dy;
                  }
                  return newEdge;
              },
              intersect: function (el1, el2) {
                  var e1 = el1.edge, e2 = el2.edge;
                  if (!e1 || !e2 || e1.region.r == e2.region.r) {
                      return null;
                  }
                  var d = e1.a * e2.b - e1.b * e2.a;
                  if (Math.abs(d) < 1e-10) {
                      return null;
                  }
                  var xint = (e1.c * e2.b - e2.c * e1.b) / d, yint = (e2.c * e1.a - e1.c * e2.a) / d, e1r = e1.region.r, e2r = e2.region.r, el, e;
                  if (e1r.y < e2r.y || e1r.y == e2r.y && e1r.x < e2r.x) {
                      el = el1;
                      e = e1;
                  } else {
                      el = el2;
                      e = e2;
                  }
                  var rightOfSite = xint >= e.region.r.x;
                  if (rightOfSite && el.side === 'l' || !rightOfSite && el.side === 'r') {
                      return null;
                  }
                  return {
                      x: xint,
                      y: yint
                  };
              },
              rightOf: function (he, p) {
                  var e = he.edge, topsite = e.region.r, rightOfSite = p.x > topsite.x;
                  if (rightOfSite && he.side === 'l') {
                      return 1;
                  }
                  if (!rightOfSite && he.side === 'r') {
                      return 0;
                  }
                  if (e.a === 1) {
                      var dyp = p.y - topsite.y, dxp = p.x - topsite.x, fast = 0, above = 0;
                      if (!rightOfSite && e.b < 0 || rightOfSite && e.b >= 0) {
                          above = fast = dyp >= e.b * dxp;
                      } else {
                          above = p.x + p.y * e.b > e.c;
                          if (e.b < 0) {
                              above = !above;
                          }
                          if (!above) {
                              fast = 1;
                          }
                      }
                      if (!fast) {
                          var dxs = topsite.x - e.region.l.x;
                          above = e.b * (dxp * dxp - dyp * dyp) < dxs * dyp * (1 + 2 * dxp / dxs + e.b * e.b);
                          if (e.b < 0) {
                              above = !above;
                          }
                      }
                  } else {
                      var yl = e.c - e.a * p.x, t1 = p.y - yl, t2 = p.x - topsite.x, t3 = yl - topsite.y;
                      above = t1 * t1 > t2 * t2 + t3 * t3;
                  }
                  return he.side === 'l' ? above : !above;
              },
              endPoint: function (edge, side, site) {
                  edge.ep[side] = site;
                  if (!edge.ep[d3_voronoi_opposite[side]])
                      return;
                  callback(edge);
              },
              distance: function (s, t) {
                  var dx = s.x - t.x, dy = s.y - t.y;
                  return Math.sqrt(dx * dx + dy * dy);
              }
          };
          var EventQueue = {
              list: [],
              insert: function (he, site, offset) {
                  he.vertex = site;
                  he.ystar = site.y + offset;
                  for (var i = 0, list = EventQueue.list, l = list.length; i < l; i++) {
                      var next = list[i];
                      if (he.ystar > next.ystar || he.ystar == next.ystar && site.x > next.vertex.x) {
                          continue;
                      } else {
                          break;
                      }
                  }
                  list.splice(i, 0, he);
              },
              del: function (he) {
                  for (var i = 0, ls = EventQueue.list, l = ls.length; i < l && ls[i] != he; ++i) {
                  }
                  ls.splice(i, 1);
              },
              empty: function () {
                  return EventQueue.list.length === 0;
              },
              nextEvent: function (he) {
                  for (var i = 0, ls = EventQueue.list, l = ls.length; i < l; ++i) {
                      if (ls[i] == he)
                          return ls[i + 1];
                  }
                  return null;
              },
              min: function () {
                  var elem = EventQueue.list[0];
                  return {
                      x: elem.vertex.x,
                      y: elem.ystar
                  };
              },
              extractMin: function () {
                  return EventQueue.list.shift();
              }
          };
          EdgeList.init();
          Sites.bottomSite = Sites.list.shift();
          var newSite = Sites.list.shift(), newIntStar;
          var lbnd, rbnd, llbnd, rrbnd, bisector;
          var bot, top, temp, p, v;
          var e, pm;
          while (true) {
              if (!EventQueue.empty()) {
                  newIntStar = EventQueue.min();
              }
              if (newSite && (EventQueue.empty() || newSite.y < newIntStar.y || newSite.y == newIntStar.y && newSite.x < newIntStar.x)) {
                  lbnd = EdgeList.leftBound(newSite);
                  rbnd = EdgeList.right(lbnd);
                  bot = EdgeList.rightRegion(lbnd);
                  e = Geom.bisect(bot, newSite);
                  bisector = EdgeList.createHalfEdge(e, 'l');
                  EdgeList.insert(lbnd, bisector);
                  p = Geom.intersect(lbnd, bisector);
                  if (p) {
                      EventQueue.del(lbnd);
                      EventQueue.insert(lbnd, p, Geom.distance(p, newSite));
                  }
                  lbnd = bisector;
                  bisector = EdgeList.createHalfEdge(e, 'r');
                  EdgeList.insert(lbnd, bisector);
                  p = Geom.intersect(bisector, rbnd);
                  if (p) {
                      EventQueue.insert(bisector, p, Geom.distance(p, newSite));
                  }
                  newSite = Sites.list.shift();
              } else if (!EventQueue.empty()) {
                  lbnd = EventQueue.extractMin();
                  llbnd = EdgeList.left(lbnd);
                  rbnd = EdgeList.right(lbnd);
                  rrbnd = EdgeList.right(rbnd);
                  bot = EdgeList.leftRegion(lbnd);
                  top = EdgeList.rightRegion(rbnd);
                  v = lbnd.vertex;
                  Geom.endPoint(lbnd.edge, lbnd.side, v);
                  Geom.endPoint(rbnd.edge, rbnd.side, v);
                  EdgeList.del(lbnd);
                  EventQueue.del(rbnd);
                  EdgeList.del(rbnd);
                  pm = 'l';
                  if (bot.y > top.y) {
                      temp = bot;
                      bot = top;
                      top = temp;
                      pm = 'r';
                  }
                  e = Geom.bisect(bot, top);
                  bisector = EdgeList.createHalfEdge(e, pm);
                  EdgeList.insert(llbnd, bisector);
                  Geom.endPoint(e, d3_voronoi_opposite[pm], v);
                  p = Geom.intersect(llbnd, bisector);
                  if (p) {
                      EventQueue.del(llbnd);
                      EventQueue.insert(llbnd, p, Geom.distance(p, bot));
                  }
                  p = Geom.intersect(bisector, rrbnd);
                  if (p) {
                      EventQueue.insert(bisector, p, Geom.distance(p, bot));
                  }
              } else {
                  break;
              }
          }
          for (lbnd = EdgeList.right(EdgeList.leftEnd); lbnd != EdgeList.rightEnd; lbnd = EdgeList.right(lbnd)) {
              callback(lbnd.edge);
          }
      }
      d3.geom.delaunay = function (vertices) {
          var edges = vertices.map(function () {
              return [];
          }), triangles = [];
          d3_voronoi_tessellate(vertices, function (e) {
              edges[e.region.l.index].push(vertices[e.region.r.index]);
          });
          edges.forEach(function (edge, i) {
              var v = vertices[i], cx = v[0], cy = v[1];
              edge.forEach(function (v) {
                  v.angle = Math.atan2(v[0] - cx, v[1] - cy);
              });
              edge.sort(function (a, b) {
                  return a.angle - b.angle;
              });
              for (var j = 0, m = edge.length - 1; j < m; j++) {
                  triangles.push([
                      v,
                      edge[j],
                      edge[j + 1]
                  ]);
              }
          });
          return triangles;
      };
      d3.geom.quadtree = function (points, x1, y1, x2, y2) {
          var p, i = -1, n = points.length;
          if (arguments.length < 5) {
              if (arguments.length === 3) {
                  y2 = y1;
                  x2 = x1;
                  y1 = x1 = 0;
              } else {
                  x1 = y1 = Infinity;
                  x2 = y2 = -Infinity;
                  while (++i < n) {
                      p = points[i];
                      if (p.x < x1)
                          x1 = p.x;
                      if (p.y < y1)
                          y1 = p.y;
                      if (p.x > x2)
                          x2 = p.x;
                      if (p.y > y2)
                          y2 = p.y;
                  }
              }
          }
          var dx = x2 - x1, dy = y2 - y1;
          if (dx > dy)
              y2 = y1 + dx;
          else
              x2 = x1 + dy;
          function insert(n, p, x1, y1, x2, y2) {
              if (isNaN(p.x) || isNaN(p.y))
                  return;
              if (n.leaf) {
                  var v = n.point;
                  if (v) {
                      if (Math.abs(v.x - p.x) + Math.abs(v.y - p.y) < 0.01) {
                          insertChild(n, p, x1, y1, x2, y2);
                      } else {
                          n.point = null;
                          insertChild(n, v, x1, y1, x2, y2);
                          insertChild(n, p, x1, y1, x2, y2);
                      }
                  } else {
                      n.point = p;
                  }
              } else {
                  insertChild(n, p, x1, y1, x2, y2);
              }
          }
          function insertChild(n, p, x1, y1, x2, y2) {
              var sx = (x1 + x2) * 0.5, sy = (y1 + y2) * 0.5, right = p.x >= sx, bottom = p.y >= sy, i = (bottom << 1) + right;
              n.leaf = false;
              n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
              if (right)
                  x1 = sx;
              else
                  x2 = sx;
              if (bottom)
                  y1 = sy;
              else
                  y2 = sy;
              insert(n, p, x1, y1, x2, y2);
          }
          var root = d3_geom_quadtreeNode();
          root.add = function (p) {
              insert(root, p, x1, y1, x2, y2);
          };
          root.visit = function (f) {
              d3_geom_quadtreeVisit(f, root, x1, y1, x2, y2);
          };
          points.forEach(root.add);
          return root;
      };
      function d3_geom_quadtreeNode() {
          return {
              leaf: true,
              nodes: [],
              point: null
          };
      }
      function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
          if (!f(node, x1, y1, x2, y2)) {
              var sx = (x1 + x2) * 0.5, sy = (y1 + y2) * 0.5, 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);
          }
      }
      d3.time = {};
      var d3_time = Date, d3_time_daySymbols = [
          'Sunday',
          'Monday',
          'Tuesday',
          'Wednesday',
          'Thursday',
          'Friday',
          'Saturday'
      ];
      function d3_time_utc() {
          this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]);
      }
      d3_time_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;
      var d3_time_formatDateTime = '%a %b %e %X %Y', d3_time_formatDate = '%m/%d/%Y', d3_time_formatTime = '%H:%M:%S';
      var d3_time_days = [
          'Sunday',
          'Monday',
          'Tuesday',
          'Wednesday',
          'Thursday',
          'Friday',
          'Saturday'
      ], d3_time_dayAbbreviations = [
          'Sun',
          'Mon',
          'Tue',
          'Wed',
          'Thu',
          'Fri',
          'Sat'
      ], d3_time_months = [
          'January',
          'February',
          'March',
          'April',
          'May',
          'June',
          'July',
          'August',
          'September',
          'October',
          'November',
          'December'
      ], d3_time_monthAbbreviations = [
          'Jan',
          'Feb',
          'Mar',
          'Apr',
          'May',
          'Jun',
          'Jul',
          'Aug',
          'Sep',
          'Oct',
          'Nov',
          'Dec'
      ];
      d3.time.format = function (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.substring(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.substring(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
              }, 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 date = new d3_time();
              date.setFullYear(d.y, d.m, d.d);
              date.setHours(d.H, d.M, d.S, d.L);
              return date;
          };
          format.toString = function () {
              return template;
          };
          return format;
      };
      function d3_time_parse(date, template, string, j) {
          var c, p, i = 0, n = template.length, m = string.length;
          while (i < n) {
              if (j >= m)
                  return -1;
              c = template.charCodeAt(i++);
              if (c === 37) {
                  p = d3_time_parsers[template.charAt(i++)];
                  if (!p || (j = p(date, string, j)) < 0)
                      return -1;
              } else if (c != string.charCodeAt(j++)) {
                  return -1;
              }
          }
          return j;
      }
      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_formatPad(value, fill, width) {
          value += '';
          var length = value.length;
          return length < width ? new Array(width - length + 1).join(fill) + value : value;
      }
      var d3_time_dayRe = d3_time_formatRe(d3_time_days), d3_time_dayAbbrevRe = d3_time_formatRe(d3_time_dayAbbreviations), d3_time_monthRe = d3_time_formatRe(d3_time_months), d3_time_monthLookup = d3_time_formatLookup(d3_time_months), d3_time_monthAbbrevRe = d3_time_formatRe(d3_time_monthAbbreviations), d3_time_monthAbbrevLookup = d3_time_formatLookup(d3_time_monthAbbreviations);
      var d3_time_formatPads = {
          '-': '',
          _: ' ',
          '0': '0'
      };
      var d3_time_formats = {
          a: function (d) {
              return d3_time_dayAbbreviations[d.getDay()];
          },
          A: function (d) {
              return d3_time_days[d.getDay()];
          },
          b: function (d) {
              return d3_time_monthAbbreviations[d.getMonth()];
          },
          B: function (d) {
              return d3_time_months[d.getMonth()];
          },
          c: d3.time.format(d3_time_formatDateTime),
          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 d.getHours() >= 12 ? 'PM' : 'AM';
          },
          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(d3_time_formatDate),
          X: d3.time.format(d3_time_formatTime),
          y: function (d, p) {
              return d3_time_formatPad(d.getFullYear() % 100, p, 2);
          },
          Y: function (d, p) {
              return d3_time_formatPad(d.getFullYear() % 10000, 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,
          L: d3_time_parseMilliseconds,
          m: d3_time_parseMonthNumber,
          M: d3_time_parseMinutes,
          p: d3_time_parseAmPm,
          S: d3_time_parseSeconds,
          x: d3_time_parseLocaleDate,
          X: d3_time_parseLocaleTime,
          y: d3_time_parseYear,
          Y: d3_time_parseFullYear
      };
      function d3_time_parseWeekdayAbbrev(date, string, i) {
          d3_time_dayAbbrevRe.lastIndex = 0;
          var n = d3_time_dayAbbrevRe.exec(string.substring(i));
          return n ? i += n[0].length : -1;
      }
      function d3_time_parseWeekday(date, string, i) {
          d3_time_dayRe.lastIndex = 0;
          var n = d3_time_dayRe.exec(string.substring(i));
          return n ? i += n[0].length : -1;
      }
      function d3_time_parseMonthAbbrev(date, string, i) {
          d3_time_monthAbbrevRe.lastIndex = 0;
          var n = d3_time_monthAbbrevRe.exec(string.substring(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.substring(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_parseFullYear(date, string, i) {
          d3_time_numberRe.lastIndex = 0;
          var n = d3_time_numberRe.exec(string.substring(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.substring(i, i + 2));
          return n ? (date.y = d3_time_expandYear(+n[0]), i += n[0].length) : -1;
      }
      function d3_time_expandYear(d) {
          return d + (d > 68 ? 1900 : 2000);
      }
      function d3_time_parseMonthNumber(date, string, i) {
          d3_time_numberRe.lastIndex = 0;
          var n = d3_time_numberRe.exec(string.substring(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.substring(i, i + 2));
          return n ? (date.d = +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.substring(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.substring(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.substring(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.substring(i, i + 3));
          return n ? (date.L = +n[0], i += n[0].length) : -1;
      }
      var d3_time_numberRe = /^\s*\d+/;
      function d3_time_parseAmPm(date, string, i) {
          var n = d3_time_amPmLookup.get(string.substring(i, i += 2).toLowerCase());
          return n == null ? -1 : (date.p = n, i);
      }
      var d3_time_amPmLookup = d3.map({
          am: 0,
          pm: 1
      });
      function d3_time_zone(d) {
          var z = d.getTimezoneOffset(), zs = z > 0 ? '-' : '+', zh = ~~(Math.abs(z) / 60), zm = Math.abs(z) % 60;
          return zs + d3_time_formatPad(zh, '0', 2) + d3_time_formatPad(zm, '0', 2);
      }
      d3.time.format.utc = function (template) {
          var local = d3.time.format(template);
          function format(date) {
              try {
                  d3_time = d3_time_utc;
                  var utc = new d3_time();
                  utc._ = date;
                  return local(utc);
              } finally {
                  d3_time = Date;
              }
          }
          format.parse = function (string) {
              try {
                  d3_time = d3_time_utc;
                  var date = local.parse(string);
                  return date && date._;
              } finally {
                  d3_time = Date;
              }
          };
          format.toString = local.toString;
          return format;
      };
      var d3_time_formatIso = d3.time.format.utc('%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;
      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_time(date - 1)), 1);
              return date;
          }
          function offset(date, k) {
              step(date = new d3_time(+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_time = d3_time_utc;
                  var utc = new d3_time_utc();
                  utc._ = t0;
                  return range(utc, t1, dt);
              } finally {
                  d3_time = 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_time = d3_time_utc;
                  var utc = new d3_time_utc();
                  utc._ = date;
                  return method(utc, k)._;
              } finally {
                  d3_time = Date;
              }
          };
      }
      d3.time.second = d3_time_interval(function (date) {
          return new d3_time(Math.floor(date / 1000) * 1000);
      }, function (date, offset) {
          date.setTime(date.getTime() + Math.floor(offset) * 1000);
      }, 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_time(Math.floor(date / 60000) * 60000);
      }, function (date, offset) {
          date.setTime(date.getTime() + Math.floor(offset) * 60000);
      }, 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_time((Math.floor(date / 3600000 - timezone) + timezone) * 3600000);
      }, function (date, offset) {
          date.setTime(date.getTime() + Math.floor(offset) * 3600000);
      }, function (date) {
          return date.getHours();
      });
      d3.time.hours = d3.time.hour.range;
      d3.time.hours.utc = d3.time.hour.utc.range;
      d3.time.day = d3_time_interval(function (date) {
          var day = new d3_time(1970, 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()) * 60000) / 86400000);
      };
      d3_time_daySymbols.forEach(function (day, i) {
          day = day.toLowerCase();
          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;
      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;
      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;
      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;
          };
          scale.nice = function (m) {
              return scale.domain(d3_scale_nice(scale.domain(), function () {
                  return m;
              }));
          };
          scale.ticks = function (m, k) {
              var extent = d3_time_scaleExtent(scale.domain());
              if (typeof m !== 'function') {
                  var span = extent[1] - extent[0], target = span / m, i = d3.bisect(d3_time_scaleSteps, target);
                  if (i == d3_time_scaleSteps.length)
                      return methods.year(extent, m);
                  if (!i)
                      return linear.ticks(m).map(d3_time_scaleDate);
                  if (Math.log(target / d3_time_scaleSteps[i - 1]) < Math.log(d3_time_scaleSteps[i] / target))
                      --i;
                  m = methods[i];
                  k = m[1];
                  m = m[0].range;
              }
              return m(extent[0], new Date(+extent[1] + 1), k);
          };
          scale.tickFormat = function () {
              return format;
          };
          scale.copy = function () {
              return d3_time_scale(linear.copy(), methods, format);
          };
          return d3.rebind(scale, linear, 'range', 'rangeRound', 'interpolate', 'clamp');
      }
      function d3_time_scaleExtent(domain) {
          var start = domain[0], stop = domain[domain.length - 1];
          return start < stop ? [
              start,
              stop
          ] : [
              stop,
              start
          ];
      }
      function d3_time_scaleDate(t) {
          return new Date(t);
      }
      function d3_time_scaleFormat(formats) {
          return function (date) {
              var i = formats.length - 1, f = formats[i];
              while (!f[1](date))
                  f = formats[--i];
              return f[0](date);
          };
      }
      function d3_time_scaleSetYear(y) {
          var d = new Date(y, 0, 1);
          d.setFullYear(y);
          return d;
      }
      function d3_time_scaleGetYear(d) {
          var y = d.getFullYear(), d0 = d3_time_scaleSetYear(y), d1 = d3_time_scaleSetYear(y + 1);
          return y + (d - d0) / (d1 - d0);
      }
      var d3_time_scaleSteps = [
          1000,
          5000,
          15000,
          30000,
          60000,
          300000,
          900000,
          1800000,
          3600000,
          10800000,
          21600000,
          43200000,
          86400000,
          172800000,
          604800000,
          2592000000,
          7776000000,
          31536000000
      ];
      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_scaleLocalFormats = [
          [
              d3.time.format('%Y'),
              d3_true
          ],
          [
              d3.time.format('%B'),
              function (d) {
                  return d.getMonth();
              }
          ],
          [
              d3.time.format('%b %d'),
              function (d) {
                  return d.getDate() != 1;
              }
          ],
          [
              d3.time.format('%a %d'),
              function (d) {
                  return d.getDay() && d.getDate() != 1;
              }
          ],
          [
              d3.time.format('%I %p'),
              function (d) {
                  return d.getHours();
              }
          ],
          [
              d3.time.format('%I:%M'),
              function (d) {
                  return d.getMinutes();
              }
          ],
          [
              d3.time.format(':%S'),
              function (d) {
                  return d.getSeconds();
              }
          ],
          [
              d3.time.format('.%L'),
              function (d) {
                  return d.getMilliseconds();
              }
          ]
      ];
      var d3_time_scaleLinear = d3.scale.linear(), d3_time_scaleLocalFormat = d3_time_scaleFormat(d3_time_scaleLocalFormats);
      d3_time_scaleLocalMethods.year = function (extent, m) {
          return d3_time_scaleLinear.domain(extent.map(d3_time_scaleGetYear)).ticks(m).map(d3_time_scaleSetYear);
      };
      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_scaleUTCFormats = [
          [
              d3.time.format.utc('%Y'),
              d3_true
          ],
          [
              d3.time.format.utc('%B'),
              function (d) {
                  return d.getUTCMonth();
              }
          ],
          [
              d3.time.format.utc('%b %d'),
              function (d) {
                  return d.getUTCDate() != 1;
              }
          ],
          [
              d3.time.format.utc('%a %d'),
              function (d) {
                  return d.getUTCDay() && d.getUTCDate() != 1;
              }
          ],
          [
              d3.time.format.utc('%I %p'),
              function (d) {
                  return d.getUTCHours();
              }
          ],
          [
              d3.time.format.utc('%I:%M'),
              function (d) {
                  return d.getUTCMinutes();
              }
          ],
          [
              d3.time.format.utc(':%S'),
              function (d) {
                  return d.getUTCSeconds();
              }
          ],
          [
              d3.time.format.utc('.%L'),
              function (d) {
                  return d.getUTCMilliseconds();
              }
          ]
      ];
      var d3_time_scaleUTCFormat = d3_time_scaleFormat(d3_time_scaleUTCFormats);
      function d3_time_scaleUTCSetYear(y) {
          var d = new Date(Date.UTC(y, 0, 1));
          d.setUTCFullYear(y);
          return d;
      }
      function d3_time_scaleUTCGetYear(d) {
          var y = d.getUTCFullYear(), d0 = d3_time_scaleUTCSetYear(y), d1 = d3_time_scaleUTCSetYear(y + 1);
          return y + (d - d0) / (d1 - d0);
      }
      d3_time_scaleUTCMethods.year = function (extent, m) {
          return d3_time_scaleLinear.domain(extent.map(d3_time_scaleUTCGetYear)).ticks(m).map(d3_time_scaleUTCSetYear);
      };
      d3.time.scale.utc = function () {
          return d3_time_scale(d3.scale.linear(), d3_time_scaleUTCMethods, d3_time_scaleUTCFormat);
      };
      return d3;
  }]);
  'use strict';
  angular.module('d3').config([
      '$provide',
      function ($provide) {
          var d3WorldCloudDecorator = function ($delegate) {
              var d3 = $delegate;
              (function (exports) {
                  function cloud() {
                      var size = [
                          256,
                          256
                      ], text = cloudText, font = cloudFont, fontSize = cloudFontSize, fontStyle = cloudFontNormal, fontWeight = cloudFontNormal, rotate = cloudRotate, padding = cloudPadding, spiral = archimedeanSpiral, words = [], timeInterval = Infinity, event = d3.dispatch('word', 'end'), timer = null, cloud = {};
                      cloud.start = function () {
                          var board = zeroArray((size[0] >> 5) * size[1]), bounds = null, n = words.length, i = -1, tags = [], data = words.map(function (d, i) {
                              d.text = text.call(this, d, i);
                              d.font = font.call(this, d, i);
                              d.style = fontStyle.call(this, d, i);
                              d.weight = fontWeight.call(this, d, i);
                              d.rotate = rotate.call(this, d, i);
                              d.size = ~~fontSize.call(this, d, i);
                              d.padding = cloudPadding.call(this, d, i);
                              return d;
                          }).sort(function (a, b) {
                              return b.size - a.size;
                          });
                          if (timer)
                              clearInterval(timer);
                          timer = setInterval(step, 0);
                          step();
                          return cloud;
                          function step() {
                              var start = +new Date(), d;
                              while (+new Date() - start < timeInterval && ++i < n && timer) {
                                  d = data[i];
                                  d.x = size[0] * (Math.random() + 0.5) >> 1;
                                  d.y = size[1] * (Math.random() + 0.5) >> 1;
                                  cloudSprite(d, data, i);
                                  if (place(board, d, bounds)) {
                                      tags.push(d);
                                      event.word(d);
                                      if (bounds)
                                          cloudBounds(bounds, d);
                                      else
                                          bounds = [
                                              {
                                                  x: d.x + d.x0,
                                                  y: d.y + d.y0
                                              },
                                              {
                                                  x: d.x + d.x1,
                                                  y: d.y + d.y1
                                              }
                                          ];
                                      d.x -= size[0] >> 1;
                                      d.y -= size[1] >> 1;
                                  }
                              }
                              if (i >= n) {
                                  cloud.stop();
                                  event.end(tags, bounds);
                              }
                          }
                      };
                      cloud.stop = function () {
                          if (timer) {
                              clearInterval(timer);
                              timer = null;
                          }
                          return cloud;
                      };
                      cloud.timeInterval = function (x) {
                          if (!arguments.length)
                              return timeInterval;
                          timeInterval = x == null ? Infinity : x;
                          return cloud;
                      };
                      function place(board, tag, bounds) {
                          var perimeter = [
                              {
                                  x: 0,
                                  y: 0
                              },
                              {
                                  x: size[0],
                                  y: size[1]
                              }
                          ], startX = tag.x, startY = tag.y, maxDelta = Math.sqrt(size[0] * size[0] + size[1] * size[1]), s = spiral(size), dt = Math.random() < 0.5 ? 1 : -1, t = -dt, dxdy, dx, dy;
                          while (dxdy = s(t += dt)) {
                              dx = ~~dxdy[0];
                              dy = ~~dxdy[1];
                              if (Math.min(dx, dy) > maxDelta)
                                  break;
                              tag.x = startX + dx;
                              tag.y = startY + dy;
                              if (tag.x + tag.x0 < 0 || tag.y + tag.y0 < 0 || tag.x + tag.x1 > size[0] || tag.y + tag.y1 > size[1])
                                  continue;
                              if (!bounds || !cloudCollide(tag, board, size[0])) {
                                  if (!bounds || collideRects(tag, bounds)) {
                                      var sprite = tag.sprite, w = tag.width >> 5, sw = size[0] >> 5, lx = tag.x - (w << 4), sx = lx & 127, msx = 32 - sx, h = tag.y1 - tag.y0, x = (tag.y + tag.y0) * sw + (lx >> 5), last;
                                      for (var j = 0; j < h; j++) {
                                          last = 0;
                                          for (var i = 0; i <= w; i++) {
                                              board[x + i] |= last << msx | (i < w ? (last = sprite[j * w + i]) >>> sx : 0);
                                          }
                                          x += sw;
                                      }
                                      delete tag.sprite;
                                      return true;
                                  }
                              }
                          }
                          return false;
                      }
                      cloud.words = function (x) {
                          if (!arguments.length)
                              return words;
                          words = x;
                          return cloud;
                      };
                      cloud.size = function (x) {
                          if (!arguments.length)
                              return size;
                          size = [
                              +x[0],
                              +x[1]
                          ];
                          return cloud;
                      };
                      cloud.font = function (x) {
                          if (!arguments.length)
                              return font;
                          font = d3.functor(x);
                          return cloud;
                      };
                      cloud.fontStyle = function (x) {
                          if (!arguments.length)
                              return fontStyle;
                          fontStyle = d3.functor(x);
                          return cloud;
                      };
                      cloud.fontWeight = function (x) {
                          if (!arguments.length)
                              return fontWeight;
                          fontWeight = d3.functor(x);
                          return cloud;
                      };
                      cloud.rotate = function (x) {
                          if (!arguments.length)
                              return rotate;
                          rotate = d3.functor(x);
                          return cloud;
                      };
                      cloud.text = function (x) {
                          if (!arguments.length)
                              return text;
                          text = d3.functor(x);
                          return cloud;
                      };
                      cloud.spiral = function (x) {
                          if (!arguments.length)
                              return spiral;
                          spiral = spirals[x + ''] || x;
                          return cloud;
                      };
                      cloud.fontSize = function (x) {
                          if (!arguments.length)
                              return fontSize;
                          fontSize = d3.functor(x);
                          return cloud;
                      };
                      cloud.padding = function (x) {
                          if (!arguments.length)
                              return padding;
                          padding = d3.functor(x);
                          return cloud;
                      };
                      return d3.rebind(cloud, event, 'on');
                  }
                  function cloudText(d) {
                      return d.text;
                  }
                  function cloudFont() {
                      return 'serif';
                  }
                  function cloudFontNormal() {
                      return 'normal';
                  }
                  function cloudFontSize(d) {
                      return Math.sqrt(d.value);
                  }
                  function cloudRotate() {
                      return (~~(Math.random() * 6) - 3) * 30;
                  }
                  function cloudPadding() {
                      return 1;
                  }
                  function cloudSprite(d, data, di) {
                      if (d.sprite)
                          return;
                      c.clearRect(0, 0, (cw << 5) / ratio, ch / ratio);
                      var x = 0, y = 0, maxh = 0, n = data.length;
                      di--;
                      while (++di < n) {
                          d = data[di];
                          c.save();
                          c.font = d.style + ' ' + d.weight + ' ' + ~~((d.size + 1) / ratio) + 'px ' + d.font;
                          var w = c.measureText(d.text + 'm').width * ratio, h = d.size << 1;
                          if (d.rotate) {
                              var sr = Math.sin(d.rotate * cloudRadians), cr = Math.cos(d.rotate * cloudRadians), wcr = w * cr, wsr = w * sr, hcr = h * cr, hsr = h * sr;
                              w = Math.max(Math.abs(wcr + hsr), Math.abs(wcr - hsr)) + 31 >> 5 << 5;
                              h = ~~Math.max(Math.abs(wsr + hcr), Math.abs(wsr - hcr));
                          } else {
                              w = w + 31 >> 5 << 5;
                          }
                          if (h > maxh)
                              maxh = h;
                          if (x + w >= cw << 5) {
                              x = 0;
                              y += maxh;
                              maxh = 0;
                          }
                          if (y + h >= ch)
                              break;
                          c.translate((x + (w >> 1)) / ratio, (y + (h >> 1)) / ratio);
                          if (d.rotate)
                              c.rotate(d.rotate * cloudRadians);
                          c.fillText(d.text, 0, 0);
                          c.restore();
                          d.width = w;
                          d.height = h;
                          d.xoff = x;
                          d.yoff = y;
                          d.x1 = w >> 1;
                          d.y1 = h >> 1;
                          d.x0 = -d.x1;
                          d.y0 = -d.y1;
                          x += w;
                      }
                      var pixels = c.getImageData(0, 0, (cw << 5) / ratio, ch / ratio).data, sprite = [];
                      while (--di >= 0) {
                          d = data[di];
                          var w = d.width, w32 = w >> 5, h = d.y1 - d.y0, p = d.padding;
                          for (var i = 0; i < h * w32; i++)
                              sprite[i] = 0;
                          x = d.xoff;
                          if (x == null)
                              return;
                          y = d.yoff;
                          var seen = 0, seenRow = -1;
                          for (var j = 0; j < h; j++) {
                              for (var i = 0; i < w; i++) {
                                  var k = w32 * j + (i >> 5), m = pixels[(y + j) * (cw << 5) + (x + i) << 2] ? 1 << 31 - i % 32 : 0;
                                  if (p) {
                                      if (j)
                                          sprite[k - w32] |= m;
                                      if (j < w - 1)
                                          sprite[k + w32] |= m;
                                      m |= m << 1 | m >> 1;
                                  }
                                  sprite[k] |= m;
                                  seen |= m;
                              }
                              if (seen)
                                  seenRow = j;
                              else {
                                  d.y0++;
                                  h--;
                                  j--;
                                  y++;
                              }
                          }
                          d.y1 = d.y0 + seenRow;
                          d.sprite = sprite.slice(0, (d.y1 - d.y0) * w32);
                      }
                  }
                  function cloudCollide(tag, board, sw) {
                      sw >>= 5;
                      var sprite = tag.sprite, w = tag.width >> 5, lx = tag.x - (w << 4), sx = lx & 127, msx = 32 - sx, h = tag.y1 - tag.y0, x = (tag.y + tag.y0) * sw + (lx >> 5), last;
                      for (var j = 0; j < h; j++) {
                          last = 0;
                          for (var i = 0; i <= w; i++) {
                              if ((last << msx | (i < w ? (last = sprite[j * w + i]) >>> sx : 0)) & board[x + i])
                                  return true;
                          }
                          x += sw;
                      }
                      return false;
                  }
                  function cloudBounds(bounds, d) {
                      var b0 = bounds[0], b1 = bounds[1];
                      if (d.x + d.x0 < b0.x)
                          b0.x = d.x + d.x0;
                      if (d.y + d.y0 < b0.y)
                          b0.y = d.y + d.y0;
                      if (d.x + d.x1 > b1.x)
                          b1.x = d.x + d.x1;
                      if (d.y + d.y1 > b1.y)
                          b1.y = d.y + d.y1;
                  }
                  function collideRects(a, b) {
                      return a.x + a.x1 > b[0].x && a.x + a.x0 < b[1].x && a.y + a.y1 > b[0].y && a.y + a.y0 < b[1].y;
                  }
                  function archimedeanSpiral(size) {
                      var e = size[0] / size[1];
                      return function (t) {
                          return [
                              e * (t *= 0.1) * Math.cos(t),
                              t * Math.sin(t)
                          ];
                      };
                  }
                  function rectangularSpiral(size) {
                      var dy = 4, dx = dy * size[0] / size[1], x = 0, y = 0;
                      return function (t) {
                          var sign = t < 0 ? -1 : 1;
                          switch (Math.sqrt(1 + 4 * sign * t) - sign & 3) {
                              case 0:
                                  x += dx;
                                  break;
                              case 1:
                                  y += dy;
                                  break;
                              case 2:
                                  x -= dx;
                                  break;
                              default:
                                  y -= dy;
                                  break;
                          }
                          return [
                              x,
                              y
                          ];
                      };
                  }
                  function zeroArray(n) {
                      var a = [], i = -1;
                      while (++i < n)
                          a[i] = 0;
                      return a;
                  }
                  var cloudRadians = Math.PI / 180, cw = 1 << 11 >> 5, ch = 1 << 11, canvas, ratio = 1;
                  if (typeof document !== 'undefined') {
                      canvas = document.createElement('canvas');
                      canvas.width = 1;
                      canvas.height = 1;
                      ratio = Math.sqrt(canvas.getContext('2d').getImageData(0, 0, 1, 1).data.length >> 2);
                      canvas.width = (cw << 5) / ratio;
                      canvas.height = ch / ratio;
                  } else {
                      var Canvas = require('canvas');
                      canvas = new Canvas(cw << 5, ch);
                  }
                  var c = canvas.getContext('2d'), spirals = {
                      archimedean: archimedeanSpiral,
                      rectangular: rectangularSpiral
                  };
                  c.fillStyle = 'red';
                  c.textAlign = 'center';
                  exports.cloud = cloud;
              }(typeof exports === 'undefined' ? d3.layout || (d3.layout = {}) : exports));
              return d3;
          };
          $provide.decorator('d3', d3WorldCloudDecorator);
      }
  ]);
  'use strict';
  angular.module('d3').directive('wordcloud', [
      'd3',
      function (d3) {
          return {
              restrict: 'E',
              scope: {
                  width: '@',
                  height: '@',
                  fontFamily: '@',
                  fontSize: '@',
                  words: '=',
                  onClick: '&',
                  onHover: '&'
              },
              link: function postLink(scope, element, attrs) {
                  var width = 800;
                  var height = 600;
                  var fontFamily = 'Impact';
                  var fontSize = 100;
                  var words;
                  if (angular.isDefined(attrs.width))
                      width = attrs.width;
                  if (angular.isDefined(attrs.height))
                      height = attrs.height;
                  if (angular.isDefined(attrs.fontFamily))
                      fontFamily = attrs.fontFamily;
                  if (angular.isDefined(attrs.fontSize))
                      fontSize = attrs.fontSize * 1 || 0;
                  if (angular.isDefined(scope.words))
                      words = scope.words;
                  if (angular.isDefined(scope.words) && angular.isArray(words)) {
                      words = scope.words;
                  } else if (angular.element(element).find('word').length > 0) {
                      var subelements = angular.element(element).find('word');
                      words = [];
                      angular.forEach(subelements, function (word) {
                          words.push(angular.element(word).text());
                          angular.element(word).remove();
                      });
                  } else if (element.text().length > 0) {
                      words = element.text().split(',');
                      element.text('');
                  } else {
                      element.text('wordcloud: Please define some words');
                      return;
                  }
                  if (!angular.isNumber(fontSize) || fontSize <= 0) {
                      element.text('wordcloud: font-size attribute not valid. font-size ' + attrs.fontSize + ' -> ' + fontSize);
                      return;
                  }
                  var cloudFactory = function (words) {
                      var fill = d3.scale.category20();
                      d3.layout.cloud().size([
                          width,
                          height
                      ]).words(words.map(function (d) {
                          return {
                              text: d,
                              size: Math.random() * fontSize
                          };
                      })).rotate(function () {
                          return ~~(Math.random() * 2) * -90;
                      }).font(fontFamily).fontSize(function (d) {
                          return d.size;
                      }).on('end', draw).start();
                      function draw(words) {
                          var height_translate = height / 2;
                          var width_translate = width / 2;
                          var rootElement = element[0];
                          d3.select(rootElement).append('svg').attr('width', width).attr('height', height).append('g').attr('transform', 'translate(' + width_translate + ',' + height_translate + ')').selectAll('text').data(words).enter().append('text').style('font-size', function (d) {
                              return d.size + 'px';
                          }).style('font-family', fontFamily).style('fill', function (d, i) {
                              return fill(i);
                          }).attr('text-anchor', 'middle').attr('transform', function (d) {
                              return 'translate(' + [
                                      d.x,
                                      d.y
                                  ] + ')rotate(' + d.rotate + ')';
                          }).text(function (d) {
                              return d.text;
                          }).on('click', function (d) {
                              scope.onClick({ element: d });
                          }).on('mouseover', function (d) {
                              scope.onHover({ element: d });
                          });
                      }
                  };
                  cloudFactory(words);
              }
          };
      }
  ]);
  'use strict';
  angular.module('d3').config([
      '$provide',
      function ($provide) {
          var d3HorizonChartDecorator = function ($delegate) {
              var d3 = $delegate;
              (function () {
                  d3.horizon = function () {
                      var bands = 1, mode = 'offset', interpolate = 'linear', x = d3_horizonX, y = d3_horizonY, w = 960, h = 40, duration = 0;
                      var color = d3.scale.linear().domain([
                          -1,
                          0,
                          1
                      ]).range([
                          '#d62728',
                          '#fff',
                          '#1f77b4'
                      ]);
                      function horizon(g) {
                          g.each(function (d) {
                              var g = d3.select(this), xMin = Infinity, xMax = -Infinity, yMax = -Infinity, x0, y0, t0, id;
                              var data = d.map(function (d, i) {
                                  var xv = x.call(this, d, i), yv = y.call(this, d, i);
                                  if (xv < xMin)
                                      xMin = xv;
                                  if (xv > xMax)
                                      xMax = xv;
                                  if (-yv > yMax)
                                      yMax = -yv;
                                  if (yv > yMax)
                                      yMax = yv;
                                  return [
                                      xv,
                                      yv
                                  ];
                              });
                              var x1 = d3.scale.linear().domain([
                                  xMin,
                                  xMax
                              ]).range([
                                  0,
                                  w
                              ]), y1 = d3.scale.linear().domain([
                                  0,
                                  yMax
                              ]).range([
                                  0,
                                  h * bands
                              ]), t1 = d3_horizonTransform(bands, h, mode);
                              if (this.__chart__) {
                                  x0 = this.__chart__.x;
                                  y0 = this.__chart__.y;
                                  t0 = this.__chart__.t;
                                  id = this.__chart__.id;
                              } else {
                                  x0 = x1.copy();
                                  y0 = y1.copy();
                                  t0 = t1;
                                  id = ++d3_horizonId;
                              }
                              var defs = g.selectAll('defs').data([null]);
                              defs.enter().append('defs').append('clipPath').attr('id', 'd3_horizon_clip' + id).append('rect').attr('width', w).attr('height', h);
                              defs.select('rect').transition().duration(duration).attr('width', w).attr('height', h);
                              g.selectAll('g').data([null]).enter().append('g').attr('clip-path', 'url(#d3_horizon_clip' + id + ')');
                              var path = g.select('g').selectAll('path').data(d3.range(-1, -bands - 1, -1).concat(d3.range(1, bands + 1)), Number);
                              var d0 = d3_horizonArea.interpolate(interpolate).x(function (d) {
                                  return x0(d[0]);
                              }).y0(h * bands).y1(function (d) {
                                  return h * bands - y0(d[1]);
                              })(data);
                              var d1 = d3_horizonArea.x(function (d) {
                                  return x1(d[0]);
                              }).y1(function (d) {
                                  return h * bands - y1(d[1]);
                              })(data);
                              path.enter().append('path').style('fill', color).attr('transform', t0).attr('d', d0);
                              path.transition().duration(duration).style('fill', color).attr('transform', t1).attr('d', d1);
                              path.exit().transition().duration(duration).attr('transform', t1).attr('d', d1).remove();
                              this.__chart__ = {
                                  x: x1,
                                  y: y1,
                                  t: t1,
                                  id: id
                              };
                          });
                          d3.timer.flush();
                      }
                      horizon.duration = function (x) {
                          if (!arguments.length)
                              return duration;
                          duration = +x;
                          return horizon;
                      };
                      horizon.bands = function (x) {
                          if (!arguments.length)
                              return bands;
                          bands = +x;
                          color.domain([
                              -bands,
                              0,
                              bands
                          ]);
                          return horizon;
                      };
                      horizon.mode = function (x) {
                          if (!arguments.length)
                              return mode;
                          mode = x + '';
                          return horizon;
                      };
                      horizon.colors = function (x) {
                          if (!arguments.length)
                              return color.range();
                          color.range(x);
                          return horizon;
                      };
                      horizon.interpolate = function (x) {
                          if (!arguments.length)
                              return interpolate;
                          interpolate = x + '';
                          return horizon;
                      };
                      horizon.x = function (z) {
                          if (!arguments.length)
                              return x;
                          x = z;
                          return horizon;
                      };
                      horizon.y = function (z) {
                          if (!arguments.length)
                              return y;
                          y = z;
                          return horizon;
                      };
                      horizon.width = function (x) {
                          if (!arguments.length)
                              return w;
                          w = +x;
                          return horizon;
                      };
                      horizon.height = function (x) {
                          if (!arguments.length)
                              return h;
                          h = +x;
                          return horizon;
                      };
                      return horizon;
                  };
                  var d3_horizonArea = d3.svg.area(), d3_horizonId = 0;
                  function d3_horizonX(d) {
                      return d[0];
                  }
                  function d3_horizonY(d) {
                      return d[1];
                  }
                  function d3_horizonTransform(bands, h, mode) {
                      return mode == 'offset' ? function (d) {
                          return 'translate(0,' + (d + (d < 0) - bands) * h + ')';
                      } : function (d) {
                          return (d < 0 ? 'scale(1,-1)' : '') + 'translate(0,' + (d - bands) * h + ')';
                      };
                  }
              }());
              return d3;
          };
          $provide.decorator('d3', d3HorizonChartDecorator);
      }
  ]);
  'use strict';
  angular.module('d3').directive('horizonChart', [
      'd3',
      function (d3) {
          return {
              restrict: 'E',
              scope: {
                  width: '@',
                  height: '@',
                  fixBands: '@',
                  mode: '@',
                  data: '=',
                  bands: '=',
                  onClick: '&',
                  onHover: '&'
              },
              link: function postLink(scope, element, attrs) {
                  var width = 800;
                  var height = 600;
                  var fixBands = 1;
                  var mode = 'mirror';
                  var interpolate = 'basic';
                  var bands, data;
                  var svg, chart;
                  if (angular.isDefined(attrs.width))
                      width = attrs.width;
                  if (angular.isDefined(attrs.height))
                      height = attrs.height;
                  if (angular.isDefined(attrs.fixBands))
                      fixBands = attrs.fixBands * 1 || 0;
                  if (angular.isDefined(attrs.mode))
                      mode = attrs.mode;
                  if (angular.isDefined(attrs.interpolate))
                      interpolate = attrs.interpolate;
                  if (angular.isDefined(scope.data))
                      data = scope.data;
                  if (angular.isDefined(scope.bands))
                      bands = scope.bands;
                  if (angular.isUndefined(bands)) {
                      bands = fixBands;
                  }
                  var parseSimpleData = function (data) {
                      return data.value.map(function (value, i) {
                          return [
                              i,
                              value
                          ];
                      });
                  };
                  var parseWithTimestamp = function (data) {
                      return data.value.map(function (value, i) {
                          return [
                              data.timestamp[i],
                              value
                          ];
                      });
                  };
                  var parseData = function (data) {
                      if (angular.isDefined(data) && angular.isDefined(data.value) && angular.isDefined(data.timestamp)) {
                          data = parseWithTimestamp(data);
                      } else if (angular.isDefined(data) && angular.isDefined(data.value)) {
                          data = parseSimpleData(data);
                      } else {
                          data = parseSimpleData({ value: [] });
                      }
                      return data;
                  };
                  var horizonChartFactory = function (data) {
                      var rootElement = element[0];
                      svg = d3.select(rootElement).append('svg').attr('width', width).attr('height', height);
                      chart = d3.horizon().width(width).height(height).bands(bands).mode(mode).interpolate(interpolate);
                      svg.data([parseData(data)]).call(chart);
                  };
                  horizonChartFactory(data);
                  var updateChart = function () {
                      chart.bands(scope.bands);
                      svg.data([parseData(data)]).call(chart);
                  };
                  var doDeepWatch = true;
                  scope.$watch('bands', updateChart, doDeepWatch);
                  scope.$watch('data', updateChart, doDeepWatch);
              }
          };
      }