# File temp/Graph/BarHorizontal.rb, line 145
      def get_x_labels
        max_value = @data.collect{|x| x[:data].max}.max
        min_value = @data.collect{|x| x[:data].min}.min
        range = max_value - min_value
        top_pad = range == 0 ? 10 : range / 20.0
        scale_range = (max_value + top_pad) - min_value

        scale_division = scale_divisions || (scale_range / 10.0)

        if scale_integers
          scale_division = scale_division < 1 ? 1 : scale_division.round
        end

        rv = []
        min_value.step( max_value, scale_division ) {|v| rv << v}
        return rv
      end