void fitIntoWindow() {
		if (viewer.getNavigationMode())
			viewer.setCameraPosition(0, 0, 2 * model.getHeight());
		viewer.moveTo(0, 0, 0, 1, 0, 100, 0, 0);
		viewer.setCenter(0, 0, 0);
		viewer.fit2DScreen(5);
	}