// animated transition
ActionList animate = new ActionList(1000);
animate.setPacingFunction(new SlowInSlowOutPacer());
animate.add(new QualityControlAnimator());
animate.add(new VisibilityAnimator(Constants.TREE));
animate.add(new PolarLocationAnimator(Constants.TREE_NODES,
Constants.LINEAR));
animate.add(new ColorAnimator(Constants.TREE_NODES));
animate.add(new RepaintAction());
vis.putAction("animate", animate);
vis.alwaysRunAfter("filter", "animate");