     radiusScale = d3.scale.linear()
       .domain([0,6])
       .range([innerRadius, radius])
+      .clamp(true)
     opacityScale = d3.scale.linear()
       .domain([0,6])
       .range([.2, 1])

    width = height = @get('size') - 2 * @get('padding')

    outerRadius = d3.min([width, height])/2
    radius = outerRadius *.95
    innerRadius = .17* radius

    radiusScale = d3.scale.linear()

      .html((d) -> d.data.name)
    svg.call(tip)
    outerRadius = d3.min([width, height])/2
    radius = outerRadius *.80
    innerRadius = .17* radius
    pie = d3.layout.pie()
      .padAngle(.03)
