/** run method for class */
 public void run() {
   GUI gui = (GUI) registeredObject;
   GPane pane = gui.getTopPane();
   pane.setMode(GPane.DRAW_MARKER_MODE);
   super.setSelected(true);
   gui.getNotifier().firePaneEvent(this);
   gui.getProgressMeter().getPanel().repaint();
 }