 
       renderAncestor =
         x: (d) => 0
-        y: (d) => console.log(d); return @height() - (d.value * @cellHeight())
+        y: (d) => return @height() - (d.value * @cellHeight())
         width: @width()
         height: @cellHeight()
         text: (d) => "↩ #{getClassAndMethodName(d.name)}"

      @

    _renderNodes: (containers, attrs, enter = false) ->
      # console.log(containers, enter)
      targetRects = containers.selectAll('rect') if not enter
      targetRects = containers.append('rect') if enter
      targetRects

        .enter()
        .append('g')
          .attr('class', 'ancestor')
      @_renderNodes newAncestors, renderAncestor, true

      # EXIT
      ancestors.exit().remove()
      @

