     @postRenderActions()
 
   postRenderActions: ->
-    fractions = @displayableFractions()
     fractionOffset = 0
-
-    for type, fraction of fractions
+    for type, fraction of @displayableFractions()
       @createOrAnimateArc type, fraction, fractionOffset
       fractionOffset += fraction
 
-    @bindTooltips(fractions)
+    @bindTooltips()
 
   createOrAnimateArc: (type, fraction, fractionOffset) ->
     opacity = (if @model.get('current_user_opinion') == type then @options.userOpinionStrokeOpacity else @options.defaultStrokeOpacity)

      @_makeAuthorityTooltip()

      i = 1
      for type, fraction of fractions
        @_makeTooltipForPath type, fraction, "path:nth-of-type(#{i})"
        i++

  _makeAuthorityTooltip: ->

        margin: @maxStrokeWidth()/2 - 3
      selector: selector
      tooltipViewFactory: =>
        count = @model.get(opinionStyle.attributeName)
        new TextView text: "#{opinionStyle.groupname}: #{count}"

  _tooltipSideForPath: (path) ->
    bbox = path.getBBox()
