How to use

removeAllCanvas3Ds

method

in

javax.media.j3d.View

@Override
public void dispose() {
  if (universe != null) {
    universe.getViewer().getView().removeAllCanvas3Ds();
    universe.getViewer().setViewingPlatform(null);
    universe.removeAllLocales();
  }
}

view.removeAllCanvas3Ds();
try {
 view.attachViewPlatform(null);