public synchronized void waitForHex(IHex hex){
  loadHexImage(hex);
  try {
    tracker.waitForID(1);
  }
 catch (  InterruptedException e) {
    e.printStackTrace();
  }
}

public synchronized void waitForHex ( IHex hex ) { loadHexImage ( hex ) ; try { tracker . waitForID ( 1 ) ; } catch ( InterruptedException e ) { e . printStackTrace ( ) ; } }
waits until a certain hex ' s images are done loading .
