@SuppressWarnings("unchecked")
	Hashtable getAuxiliaryInfo() {
		Hashtable info = new Hashtable();
		info = getModelSetAuxiliaryInfo();
		if (info == null)
			return info;
		Vector models = new Vector();
		int modelCount = viewer.getModelCount();
		for (int i = 0; i < modelCount; ++i) {
			Hashtable modelinfo = getModelAuxiliaryInfo(i);
			models.add(modelinfo);
		}
		info.put("models", models);
		return info;
	}