public void clearance_value_changed(){
  Iterator<AwtreeShapeSearch> iter=search_trees.iterator();
  while (iter.hasNext()) {
    AwtreeShapeSearch curr_tree=iter.next();
    if (curr_tree.compensated_clearance_class_no != default_tree.compensated_clearance_class_no) {
      iter.remove();
    }
  }
}

public void clearance_value_changed ( ) { Iterator < AwtreeShapeSearch > iter = search_trees . iterator ( ) ; while ( iter . hasNext ( ) ) { AwtreeShapeSearch curr_tree = iter . next ( ) ; if ( curr_tree . compensated_clearance_class_no != default_tree . compensated_clearance_class_no ) { iter . remove ( ) ; } } }
actions to be done , when a value in the clearance matrix is changed interactively .
