underground_physics/src/DMXStackingAction.cc

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0025 //
0026 //
0027 // --------------------------------------------------------------
0028 //   GEANT 4 - Underground Dark Matter Detector Advanced Example
0029 //
0030 //      For information related to this code contact: Alex Howard
0031 //      e-mail: alexander.howard@cern.ch
0032 // --------------------------------------------------------------
0033 // Comments
0034 //
0035 //                  Underground Advanced
0036 //               by A. Howard and H. Araujo
0037 //                    (27th November 2001)
0038 //
0039 // StackingAction program
0040 // --------------------------------------------------------------
0041
0042 #include "DMXStackingAction.hh"
0043
0044 #include "DMXStackingActionMessenger.hh"
0045 #include "DMXDetectorConstruction.hh"
0046
0047 #include "G4Track.hh"
0048 #include "G4TrackStatus.hh"
0049 #include "G4VPhysicalVolume.hh"
0050 #include "G4Navigator.hh"
0051 #include "G4TransportationManager.hh"
0052 #include "G4ParticleDefinition.hh"
0053 #include "G4ParticleTypes.hh"
0054
0055
0056
0057 DMXStackingAction::DMXStackingAction() {
0058
0059   // new messenger
0060   theMessenger = new DMXStackingActionMessenger(this);
0061
0062   // messenger defaults
0063   killGammasFlag  = 0;
0064
0065   // global geometry navigator
0066   gNavigator = G4TransportationManager::GetTransportationManager()
0067     ->GetNavigatorForTracking();
0068 }
0069
0070
0071 DMXStackingAction::~DMXStackingAction() {
0072
0073   delete theMessenger;
0074 }
0075
0076
0077 G4ClassificationOfNewTrack DMXStackingAction::ClassifyNewTrack
0078 (const G4Track* aTrack) {
0079
0080
0081   static G4int gammasKilled = 0;
0082
0083   G4ClassificationOfNewTrack classification = fWaiting;
0084
0085   // Kill gammas from neutrons in concrete wall
0086   if(killGammasFlag) {
0087     // check if particle is gamma
0088     G4ParticleDefinition* particleType = aTrack->GetDefinition();
0089     if(particleType==G4Gamma::GammaDefinition()) {
0090       // check if particle is in world_phys
0091       G4ThreeVector pos = aTrack->GetPosition();
0092       G4ThreeVector *ptr = NULL;
0093       G4VPhysicalVolume *theVolume;
0094       theVolume = gNavigator->LocateGlobalPointAndSetup(pos,ptr,false);
0095       if(theVolume->GetName() == "world_phys") {
0096     classification = fKill;
0097     G4cout << " Total for session Gammas killed in concrete wall (world_phys): "
0098            << ++gammasKilled << G4endl;
0099       }
0100     }
0101   }
0102
0103   return classification;
0104
0105 }
0106
0107
0108 void DMXStackingAction::NewStage() {;}
0109
0110
0111 void DMXStackingAction::PrepareNewEvent() {;}
0112
0113
0114
0115