ROOT_528-00b_version: tutorials/eve/geom

00001 // @(#)root/eve:$Id: geom_atlas.C 31415 2009-11-24 23:31:46Z matevz $
00002 // Author: Matevz Tadel
00003 
00004 // Shows ATLAS geometry.
00005 
00006 void geom_atlas()
00007 {
00008    TEveManager::Create();
00009 
00010    TFile::SetCacheFileDir(".");
00011    gGeoManager = gEve->GetGeometry("http://root.cern.ch/files/atlas.root");
00012    gGeoManager->DefaultColors();
00013 
00014    TGeoNode* node1 = gGeoManager->GetTopVolume()->FindNode("INNE_1");
00015    TEveGeoTopNode* inn = new TEveGeoTopNode(gGeoManager, node1);
00016    gEve->AddGlobalElement(inn);
00017 
00018    TGeoNode* node2 = gGeoManager->GetTopVolume()->FindNode("CENT_1");
00019    TEveGeoTopNode* cnt = new TEveGeoTopNode(gGeoManager, node2);
00020    gEve->AddGlobalElement(cnt);
00021 
00022    TGeoNode* node3 = gGeoManager->GetTopVolume()->FindNode("OUTE_1");
00023    TEveGeoTopNode* out = new TEveGeoTopNode(gGeoManager, node3);
00024    gEve->AddGlobalElement(out);
00025 
00026    gEve->FullRedraw3D(kTRUE);
00027 
00028    // EClipType not exported to CINT (see TGLUtil.h):
00029    // 0 - no clip, 1 - clip plane, 2 - clip box
00030    TGLViewer *v = gEve->GetDefaultGLViewer();
00031    v->GetClipSet()->SetClipType(1);
00032    v->RefreshPadEditor(v);
00033 
00034    v->CurrentCamera().RotateRad(-.7, 0.5);
00035    v->DoDraw();
00036 }