#TODO: use custom Model/DataProvider
var TestLayer = {}; # make(Layer);
 TestLayer.new = func(group, name) {
        # print("Setting up new TestLayer");
        var m=Layer.new(group, name, AirportModel ); #FIXME: AirportModel can be shared by Taxiways, Runways etc!!
        m.setDraw( func draw_layer(layer: m, callback: MAP_LAYERS["runways"], lod:0 ) );
        return m;
}

register_layer("airport_test", TestLayer);