{
  new TGeoManager("test", "just a simple test");
  
  TGeoVolume *totl = gGeoManager->MakeBox("Totl", 0, 101, 102, 103);
  TGeoVolume *vol1 = gGeoManager->MakeBox("Box", 0, 20, 30, 40);
  TGeoVolume *vol2 = gGeoManager->MakeSphere("Sphere", 0, 0, 1);

  TGeoTranslation *tr_x = new TGeoTranslation("tr_x", 10, 0, 0);
  TGeoTranslation *tr_y = new TGeoTranslation("tr_y", 0, 10, 0);
  TGeoTranslation *tr_z = new TGeoTranslation("tr_z", 0, 0, 10);
  
  gGeoManager->SetTopVolume(totl);
  totl->AddNode(vol1, 1, tr_x);
  vol1->AddNode(vol2, 1, tr_y);
  
  gGeoManager->CloseGeometry();
  gGeoManager->GetMasterVolume()->Draw();

  Double_t *tr1 = totl->GetNode("Box_1")->GetMatrix()->GetTranslation();
  cout << "box in totl: " << tr1[0] << ' ' << tr1[1] << ' ' << tr1[2] << endl;
  Double_t *tr2 =  vol1->GetNode("Sphere_1")->GetMatrix()->GetTranslation();
  cout << "sphere in box: " << tr2[0] << ' ' << tr2[1] << ' ' << tr2[2] << endl;
}