ui/src/main/java/ucar/nc2/ui/geoloc/NavigatedPanel.java
public void paintComponent(Graphics g) {
    if (debugDraw) System.out.println( "System called paintComponent clip= "+ g.getClipBounds());
    draw( (Graphics2D) g);
  }
public void paintComponent(Graphics g) {
    if (debugDraw) System.out.println( "System called paintComponent clip= "+ g.getClipBounds());
    draw( (Graphics2D) g);
  }
System-triggered redraw.