text: //TODO: consider deprecating by adding necessary features to multiBar model
  nv.models.discreteBar = function() {
    "use strict";
    //============================================================
    // Public Variables with Default Settings
    //------------------------------------------------------------
  
    var margin = {top: 0, right: 0, bottom: 0, left: 0}
      , width = 960
      , height = 500
      , id = Math.floor(Math.random() * 10000) //Create semi-unique ID in case user doesn't select one
      , x = d3.scale.ordinal()
      , y = d3.scale.linear()
      , getX = function(d) { return d.x }
      , getY = function(d) { return d.y }
      , forceY = [0] // 0 is forced by default.. this makes sense for the majority of bar graphs... user can always do chart.forceY([]) to remove
      , color = nv.utils.defaultColor()
      , showValues = false
      , valueFormat = d3.format(',.2f')
      , xDomain
      , yDomain
      , xRange
      , yRange
      , dispatch = d3.dispatch('chartClick', 'elementClick', 'elementDblClick', 'elementMouseover', 'elementMouseout')
      , rectClass = 'discreteBar'
      ;
  
    //============================================================
  
  
    //============================================================
    // Private Variables
    //------------------------------------------------------------
  
    var x0, y0;
  
    //============================================================
  
  
    function chart(selection) {
      selection.each(function(data) {
        var availableWidth = width - margin.left - margin.right,
            availableHeight = height - margin.top - margin.bottom,
            container = d3.select(this);
  
  
        //add series index to each data point for reference
        data.forEach(function(series, i) {
          series.values.forEach(function(point) {
            point.series = i;
          });
        });
  
  
        //------------------------------------------------------------
        // Setup Scales
  
        // remap and flatten the data for use in calculating the scales' domains
        var seriesData = (xDomain && yDomain) ? [] : // if we know xDomain and yDomain, no need to calculate
              data.map(function(d) {
                return d.values.map(function(d,i) {
                  return { x: getX(d,i), y: getY(d,i), y0: d.y0 }
                })
              });
  
        x   .domain(xDomain || d3.merge(seriesData).map(function(d) { return d.x }))
            .rangeBands(xRange || [0, availableWidth], .1);
  
        y   .domain(yDomain || d3.extent(d3.merge(seriesData).map(function(d) { return d.y }).concat(forceY)));
  
  
        // If showValues, pad the Y axis range to account for label height
        if (showValues) y.range(yRange || [availableHeight - (y.domain()[0] < 0 ? 12 : 0), y.domain()[1] > 0 ? 12 : 0]);
        else y.range(yRange || [availableHeight, 0]);
  
        //store old scales if they exist
        x0 = x0 || x;
        y0 = y0 || y.copy().range([y(0),y(0)]);
  
        //------------------------------------------------------------
  
  
        //------------------------------------------------------------
        // Setup containers and skeleton of chart
  
        var wrap = container.selectAll('g.nv-wrap.nv-discretebar').data([data]);
        var wrapEnter = wrap.enter().append('g').attr('class', 'nvd3 nv-wrap nv-discretebar');
        var gEnter = wrapEnter.append('g');
        var g = wrap.select('g');
  
        gEnter.append('g').attr('class', 'nv-groups');
  
        wrap.attr('transform', 'translate(' + margin.left + ',' + margin.top + ')');
  
        //------------------------------------------------------------
  
  
  
        //TODO: by definition, the discrete bar should not have multiple groups, will modify/remove later
        var groups = wrap.select('.nv-groups').selectAll('.nv-group')
            .data(function(d) { return d }, function(d) { return d.key });
        groups.enter().append('g')
            .style('stroke-opacity', 1e-6)
            .style('fill-opacity', 1e-6);
        groups.exit()
            .transition()
            .style('stroke-opacity', 1e-6)
            .style('fill-opacity', 1e-6)
            .remove();
        groups
            .attr('class', function(d,i) { return 'nv-group nv-series-' + i })
            .classed('hover', function(d) { return d.hover });
        groups
            .transition()
            .style('stroke-opacity', 1)
            .style('fill-opacity', .75);
  
  
        var bars = groups.selectAll('g.nv-bar')
            .data(function(d) { return d.values });
  
        bars.exit().remove();
  
  
        var barsEnter = bars.enter().append('g')
            .attr('transform', function(d,i,j) {
                return 'translate(' + (x(getX(d,i)) + x.rangeBand() * .05 ) + ', ' + y(0) + ')'
            })
            .on('mouseover', function(d,i) { //TODO: figure out why j works above, but not here
              d3.select(this).classed('hover', true);
              dispatch.elementMouseover({
                value: getY(d,i),
                point: d,
                series: data[d.series],
                pos: [x(getX(d,i)) + (x.rangeBand() * (d.series + .5) / data.length), y(getY(d,i))],  // TODO: Figure out why the value appears to be shifted
                pointIndex: i,
                seriesIndex: d.series,
                e: d3.event
              });
            })
            .on('mouseout', function(d,i) {
              d3.select(this).classed('hover', false);
              dispatch.elementMouseout({
                value: getY(d,i),
                point: d,
                series: data[d.series],
                pointIndex: i,
                seriesIndex: d.series,
                e: d3.event
              });
            })
            .on('click', function(d,i) {
              dispatch.elementClick({
                value: getY(d,i),
                point: d,
                series: data[d.series],
                pos: [x(getX(d,i)) + (x.rangeBand() * (d.series + .5) / data.length), y(getY(d,i))],  // TODO: Figure out why the value appears to be shifted
                pointIndex: i,
                seriesIndex: d.series,
                e: d3.event
              });
              d3.event.stopPropagation();
            })
            .on('dblclick', function(d,i) {
              dispatch.elementDblClick({
                value: getY(d,i),
                point: d,
                series: data[d.series],
                pos: [x(getX(d,i)) + (x.rangeBand() * (d.series + .5) / data.length), y(getY(d,i))],  // TODO: Figure out why the value appears to be shifted
                pointIndex: i,
                seriesIndex: d.series,
                e: d3.event
              });
              d3.event.stopPropagation();
            });
  
        barsEnter.append('rect')
            .attr('height', 0)
            .attr('width', x.rangeBand() * .9 / data.length )
  
        if (showValues) {
          barsEnter.append('text')
            .attr('text-anchor', 'middle')
            ;
  
          bars.select('text')
            .text(function(d,i) { return valueFormat(getY(d,i)) })
            .transition()
            .attr('x', x.rangeBand() * .9 / 2)
            .attr('y', function(d,i) { return getY(d,i) < 0 ? y(getY(d,i)) - y(0) + 12 : -4 })
  
            ;
        } else {
          bars.selectAll('text').remove();
        }
  
        bars
            .attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive' })
            .style('fill', function(d,i) { return d.color || color(d,i) })
            .style('stroke', function(d,i) { return d.color || color(d,i) })
          .select('rect')
            .attr('class', rectClass)
            .transition()
            .attr('width', x.rangeBand() * .9 / data.length);
        bars.transition()
          //.delay(function(d,i) { return i * 1200 / data[0].values.length })
            .attr('transform', function(d,i) {
              var left = x(getX(d,i)) + x.rangeBand() * .05,
                  top = getY(d,i) < 0 ?
                          y(0) :
                          y(0) - y(getY(d,i)) < 1 ?
                            y(0) - 1 : //make 1 px positive bars show up above y=0
                            y(getY(d,i));
  
                return 'translate(' + left + ', ' + top + ')'
            })
          .select('rect')
            .attr('height', function(d,i) {
              return  Math.max(Math.abs(y(getY(d,i)) - y((yDomain && yDomain[0]) || 0)) || 1)
            });
  
  
        //store old scales for use in transitions on update
        x0 = x.copy();
        y0 = y.copy();
  
      });
  
      return chart;
    }
  
  
    //============================================================
    // Expose Public Variables
    //------------------------------------------------------------
  
    chart.dispatch = dispatch;
  
    chart.options = nv.utils.optionsFunc.bind(chart);
  
    chart.x = function(_) {
      if (!arguments.length) return getX;
      getX = _;
      return chart;
    };
  
    chart.y = function(_) {
      if (!arguments.length) return getY;
      getY = _;
      return chart;
    };
  
    chart.margin = function(_) {
      if (!arguments.length) return margin;
      margin.top    = typeof _.top    != 'undefined' ? _.top    : margin.top;
      margin.right  = typeof _.right  != 'undefined' ? _.right  : margin.right;
      margin.bottom = typeof _.bottom != 'undefined' ? _.bottom : margin.bottom;
      margin.left   = typeof _.left   != 'undefined' ? _.left   : margin.left;
      return chart;
    };
  
    chart.width = function(_) {
      if (!arguments.length) return width;
      width = _;
      return chart;
    };
  
    chart.height = function(_) {
      if (!arguments.length) return height;
      height = _;
      return chart;
    };
  
    chart.xScale = function(_) {
      if (!arguments.length) return x;
      x = _;
      return chart;
    };
  
    chart.yScale = function(_) {
      if (!arguments.length) return y;
      y = _;
      return chart;
    };
  
    chart.xDomain = function(_) {
      if (!arguments.length) return xDomain;
      xDomain = _;
      return chart;
    };
  
    chart.yDomain = function(_) {
      if (!arguments.length) return yDomain;
      yDomain = _;
      return chart;
    };
  
    chart.xRange = function(_) {
      if (!arguments.length) return xRange;
      xRange = _;
      return chart;
    };
  
    chart.yRange = function(_) {
      if (!arguments.length) return yRange;
      yRange = _;
      return chart;
    };
  
    chart.forceY = function(_) {
      if (!arguments.length) return forceY;
      forceY = _;
      return chart;
    };
  
    chart.color = function(_) {
      if (!arguments.length) return color;
      color = nv.utils.getColor(_);
      return chart;
    };
  
    chart.id = function(_) {
      if (!arguments.length) return id;
      id = _;
      return chart;
    };
  
    chart.showValues = function(_) {
      if (!arguments.length) return showValues;
      showValues = _;
      return chart;
    };
  
    chart.valueFormat= function(_) {
      if (!arguments.length) return valueFormat;
      valueFormat = _;
      return chart;
    };
  
    chart.rectClass= function(_) {
      if (!arguments.length) return rectClass;
      rectClass = _;
      return chart;
    };
    //============================================================
  
  
    return chart;
  }
  