void geom_atlas()
{
   TEveManager::Create();

   gGeoManager = gEve->GetGeometry("http://root.cern.ch/files/atlas.root");

   TGeoNode* node1 = gGeoManager->GetTopVolume()->FindNode("INNE_1");
   TEveGeoTopNode* inn = new TEveGeoTopNode(gGeoManager, node1);
   gEve->AddGlobalElement(inn);

   TGeoNode* node2 = gGeoManager->GetTopVolume()->FindNode("CENT_1");
   TEveGeoTopNode* cnt = new TEveGeoTopNode(gGeoManager, node2);
   gEve->AddGlobalElement(cnt);

   TGeoNode* node3 = gGeoManager->GetTopVolume()->FindNode("OUTE_1");
   TEveGeoTopNode* out = new TEveGeoTopNode(gGeoManager, node3);
   gEve->AddGlobalElement(out);

   gEve->FullRedraw3D(kTRUE);

   // EClipType not exported to CINT (see TGLUtil.h):
   // 0 - no clip, 1 - clip plane, 2 - clip box
   gEve->GetGLViewer()->GetClipSet()->SetClipType(1);
   gEve->GetGLViewer()->RefreshPadEditor(gEve->GetGLViewer());
}