public GgbVector evaluatePoint(double u, double v) {
GeoPointND point = (GeoPointND) getGeoElement();
double r = point.getPointSize() / getView3D().getScale() * 1.5;
GgbVector n =
new GgbVector(
new double[] {
Math.cos(u) * Math.cos(v) * r, Math.sin(u) * Math.cos(v) * r, Math.sin(v) * r
});
return (GgbVector) n.add(point.getInhomCoordsInD(3));
}
