code: public void onMapViewChanged(MapViewChangedEvent event) {
  		super.onMapViewChanged(event);
  		if (null != activeViewConfig && !event.isSameScaleLevel()) {
  			resetIcons();
  		}
  	}
docs: /* (non-Javadoc)
  @see org.geomajas.gwt.client.map.event.MapViewChangedHandler#onMapViewChanged(org.geomajas.gwt.client.map.event.
  MapViewChangedEvent)