             @series3Domains[s1.key][s2.key] = d3.scale.linear()
               .domain([0, d3.sum(s3)])
               .range([0, @height])
-
+  #
+  # Finds the maximum n value of all columns in series 2.
+  # Scales on sum of percentages of given n value.
+  # Used for 'select all that apply' type data.
   buildSeriesDomains_percentage_with_n_overrides: =>
     maxSum = 0
     for s1 in @_data

    @renderSeries2Labels()
    @initializeY()
    @initializeLabels()
    #@appendSeries2Borders()
    @renderSeries3()
    @renderSeries3Labels()
    @renderLegend()

  resetWidth: ->
    @widenChart ZVG.BasicChart.prototype.width


  # the only one that matters.
  # Runs the necessary functions in order to render the chart.
  render: (renderMode = 'percentage') ->
    @renderMode = renderMode
    @resetWidth()
