v2.addLocale(l2);
BranchGroup bg2=new BranchGroup();
bg2.setName("bg2");
l2.addBranchGraph(bg2);
SceneGraphModel tm=new SceneGraphModelXith3D();
// TODO: use factories and test them by the same occasion
//tm.insert(null, v, "v1", 0);
//tm.insert(null, v2, "v2", 0);
SceneGraphTree t=new SceneGraphTree(tm);