GWTOpenLayers - Move point doesn't work

Hi

The code below creates a map and shows a point. The button below the map "Move point" should move the point a few hundred meters, but the point just disappears. What am I missing here?

public class Maptest implements EntryPoint {

private static final Projection DEFAULT_PROJECTION = new Projection(

"EPSG:4326");

VectorFeature pointFeature;

Vector markerLayer;

public void onModuleLoad() {

MapOptions defaultMapOptions = new MapOptions();

MapWidget mapWidget = new MapWidget("500px", "500px", defaultMapOptions);

OSM osmMapnik = OSM.Mapnik("Mapnik");

OSM osmCycle = OSM.CycleMap("CycleMap");

//mapWidget.getMap().addControl(new LayerSwitcher());

osmMapnik.setIsBaseLayer(true);

osmCycle.setIsBaseLayer(true);

mapWidget.getMap().addLayer(osmMapnik);

mapWidget.getMap().addLayer(osmCycle);

markerLayer = new Vector("Marker layer");

mapWidget.getMap().addLayer(markerLayer);

LonLat lonLat = new LonLat(10.44136762, 63.39698564);

lonLat.transform("EPSG:4326", mapWidget.getMap().getProjection()); //transform lonlat (provided in EPSG:4326) to OSM coordinate system (the map projection)

mapWidget.getMap().setCenter(lonLat, 12);

// Tegner et punkt

Style pointStyle = new Style();

pointStyle.setFillColor("red");

pointStyle.setStrokeColor("green");

pointStyle.setStrokeWidth(2);

pointStyle.setFillOpacity(0.9);

final Point point = new Point(10.44136762, 63.39698564);

point.transform(DEFAULT_PROJECTION, new Projection(mapWidget

.getMap().getProjection())); // transform point to OSM

// coordinate system

pointFeature = new VectorFeature(point, pointStyle);

markerLayer.addFeature(pointFeature);

//pointId = point.getId();

Button b = new Button("Move point");

b.addClickHandler(new ClickHandler() {

@Override

public void onClick(ClickEvent event) {

pointFeature.move(new LonLat(10.44215018, 63.35392463));

}

});

VerticalPanel v = new VerticalPanel();

v.add(mapWidget);

v.add(b);

RootLayoutPanel.get().add(v);

}

}

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