dataHandler = ClassifierFactory.getClassifier(images, getRootLevel(), getRootID(), mode, HiViewerAgent.getRegistry());
dataHandler = ClassifierFactory.getClassifier(owner, images, getRootLevel(), getRootID(), mode, HiViewerAgent.getRegistry());
	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, getRootLevel(),								getRootID(), mode, HiViewerAgent.getRegistry());		return dataHandler;	}