class AerialImageryTransformer extends DefaultTransformer implements RefreshListener, EventListener<DataTypeInfoColorChangeEvent> {

    @Override
    public void open()
    {
        super.open();
        refreshNow();
        myEventManager.subscribe(DataTypeInfoColorChangeEvent.class, this);
    }

    public  AerialImageryTransformer(Toolbox toolbox, OSHImageQuerier querier, DataTypeInfo uavLayer,
            List<DataTypeInfo> linkedLayer);

}