/**
* Display the tree rooted at node tn in the graph as a dendogram.
*
* @param tn the root node of the tree to display
*/
private void display(TreeNode tn) {
double[] segs = dendogram(tn);
double distance = 10.;
if (tn instanceof Cluster) {
distance = ((Cluster) tn).getSimilarity();
} else {
distance = ((DefaultMutableTreeNode) tn).getDepth();
}
gs.setData(segs, GraphDataModel.FORMAT_XY);
graph.getXAxis().setMin(distance);
graph.getXAxis().setMax(0.);
graph.getYAxis().setMin(tm.getRowCount() - .5);
graph.getYAxis().setMax(-.5);
repaint();
}
