public void step() {
synchronized (vv.getGraphLayout()) {
Graph<V, E> g = endLayout.getGraph();
for (V v : g.getVertices()) {
Point2D tp = transitionLayout.transform(v);
if (tp == null) tp = new Point2D.Double(0, 0);
Point2D fp = endLayout.transform(v);
double dx = (fp.getX() - tp.getX()) / (count - counter);
double dy = (fp.getY() - tp.getY()) / (count - counter);
transitionLayout.setLocation(v, new Point2D.Double(tp.getX() + dx, tp.getY() + dy));
}
counter++;
if (counter >= count) {
done = true;
// ((RelVisualizationModel)vv.getModel()).setRelaxer(relaxer);
((RelVisualizationModel) vv.getModel()).setAnimatorGraphLayout(endLayout);
}
vv.repaint();
}
}
public RelLayoutTransition(
VisualizationViewer<V, E> vv, Layout<V, E> startLayout, Layout<V, E> endLayout) {
this.vv = vv;
this.startLayout = startLayout;
this.endLayout = endLayout;
if (endLayout instanceof IterativeContext) {
relaxer = new RelVisRunner((IterativeContext) endLayout);
relaxer.prerelax();
relaxer.relax();
}
this.transitionLayout = new RelStaticLayout<V, E>(startLayout.getGraph(), startLayout);
vv.setGraphLayout(transitionLayout);
}
