DataHandler classifyImageObjects(ImageData[] nodes, int mode)
DataHandler classifyImageObjects(JFrame owner, ImageData[] nodes, int mode)
   DataHandler classifyImageObjects(ImageData[] nodes, int mode)   {		Set images = new HashSet(nodes.length);		for (int i = 0; i < nodes.length; i++) 			images.add(nodes[i]);				dataHandler = ClassifierFactory.getClassifier(images, getRootType(),									getRootGroupID(), mode,									TreeViewerAgent.getRegistry());		return dataHandler;   }