map.addLayer(new GoogleV3("Google Streets", toMap(pair("type", GoogleV3.Type.ROADMAP))));
map.addLayer(new GoogleV3("Google Satellite", toMap(pair("numZoomLevels", 20))));
map.addLayer(new GoogleV3("Google Hybrid", toMap(pair("type", GoogleV3.Type.HYBRID), pair("numZoomLevels", 20))));
map.addLayer(new GoogleV3("Google Physical", toMap(pair("type", GoogleV3.Type.SATELLITE), pair("numZoomLevels", 22))));
map.addControl(new LayerSwitcher());
map.setCenter(new LonLat(10.2, 48.9).transform(new Projection("EPSG:4326"),
map.getProjection()), 5, false, false);
}