void DrawV0() { TGeoVolume *top = gGeoManager->GetMasterVolume(); gGeoManager->SetNsegments(80); Int_t nd = top->GetNdaughters(); for (Int_t i=0; iGetNode(i)->GetVolume()->InvisibleAll(); TGeoVolume *v0ri = gGeoManager->GetVolume("V0RI"); TGeoVolume *v0le = gGeoManager->GetVolume("V0LE"); v0ri->SetVisibility(kTRUE); v0ri->VisibleDaughters(kTRUE); v0le->SetVisibility(kTRUE); v0le->VisibleDaughters(kTRUE); top->SetVisibility(kTRUE); top->Draw(); }