public void addPickupRS(){
  int old=_pickupRS;
  _pickupRS++;
  setDirtyAndFirePropertyChange("locationAddPickupRS",Integer.toString(old),Integer.toString(_pickupRS));
}

public void addPickupRS ( ) { int old = _pickupRS ; _pickupRS ++ ; setDirtyAndFirePropertyChange ( "locationAddPickupRS" , Integer . toString ( old ) , Integer . toString ( _pickupRS ) ) ; }
increments the number of cars and or engines that will be picked up by a train at this location .
