{
   //gROOT->ProcessLine(".x cdf.C");
   TGeoManager::Import("cdf.root");
//   new TBrowser;
   gGeoManager->SetMaxVisNodes(40000);
   gGeoManager->DefaultColors();
   //gGeoManager->GetVolume("IT56")->InvisibleAll();
   //gGeoManager->GetVolume("I215")->SetTransparency(50);
   gGeoManager->GetVolume("CDF")->Draw("ogl");
}