       for carrier in carriers
         @carrier_list.add
           key: carrier.label
+          label: carrier.label # used by the legend
           color: carrier.color
 
       for s in @model.series.models

      @sectors.append("svg:text")
        .text((d) -> d.get 'key')
        .attr("class", "sector_label")
        .attr("x", - @height - 5)
        .attr("transform", "rotate(270)")
        .attr("text-anchor", "end")

      $('rect.carrier').qtip
        content: -> $(this).attr('data-tooltip')

      margins =
        top: 10
        bottom: 100
        left: 35
        right: 10

      @width = 494 - (margins.left + margins.right)
      @height = 410 - (margins.top + margins.bottom)
      @series_height = 190 # the rest of the height will be taken by the legend
      @svg = d3.select("#d3_container_#{@model.get 'key'}")
        .append("svg:svg")
