Vector4 worldPos = Vector4.createPoint3D(v.x(), v.y(), v.z());
Vector4 screenPos = prj.project(worldPos);
PointData p1 = new PointData(worldPos, screenPos, v);
v = e.getEndPoint(1);
worldPos = Vector4.createPoint3D(v.x(), v.y(), v.z());
screenPos = prj.project(worldPos);
PointData p2 = new PointData(worldPos, screenPos, v);
drawEdge(g, p1, p2, e, false);
}