     ctx.save()
     ctx.scale(@len_x,@len_y)
     ctx.beginPath()
-    renderShape(ctx, @shape, 1)
+    renderShape(ctx, @shape, .5)
     # fix line width
     ctx.scale(1/@len_x, 1/@len_y)
     ctx.fill()

      this_node.removeNode(@selected.node)
      other_node.addNode(@selected.node)

    super(pos,t)

  clickend: (pos, t) ->
    @splitting = node: @selected.node, pos0: pos, pos1: pos

  splitNode: (node, pos0, pos1) ->
    new0 = new ShannonFanoNode(node.contains, @shape, @defaultBBoxAt(pos0), 0)


    setStyle(ctx, node_text_style)
    ctx.textAlign = 'center'
    ctx.textBaseline = 'bottom'

    ctx.fillText(@value, 0, -@len_y/2)

    ctx.restore()

