public void setRectangleSelectionSet(BitSet bs) {
		if (layerBasket == null || layerBasket.isEmpty())
			return;
		getModel().setExclusiveSelection(false);
		RectangleComponent[] t = getRectangles();
		for (int i = 0; i < t.length; i++)
			t[i].setSelected(bs == null ? false : bs.get(i));
	}