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1 //
2 // ********************************************************************
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4 // * *
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17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
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24 // ********************************************************************
25 //
26 //
27 // --------------------------------------------------------------
28 // GEANT 4 - Underground Dark Matter Detector Advanced Example
29 //
30 // For information related to this code contact: Alex Howard
31 // e-mail: alexander.howard@cern.ch
32 // --------------------------------------------------------------
33 // Comments
34 //
35 // Underground Advanced
36 // by A. Howard and H. Araujo
37 // (27th November 2001)
38 //
39 // StackingAction program
40 // --------------------------------------------------------------
41
42 #include "DMXStackingAction.hh"
43
44 #include "DMXStackingActionMessenger.hh"
45 #include "DMXDetectorConstruction.hh"
46
47 #include "G4Track.hh"
48 #include "G4TrackStatus.hh"
49 #include "G4VPhysicalVolume.hh"
50 #include "G4Navigator.hh"
51 #include "G4TransportationManager.hh"
52 #include "G4ParticleDefinition.hh"
53 #include "G4ParticleTypes.hh"
54
55
56
57 DMXStackingAction::DMXStackingAction() {
58
59 // new messenger
60 theMessenger = new DMXStackingActionMessenger(this);
61
62 // messenger defaults
63 killGammasFlag = 0;
64
65 // global geometry navigator
66 gNavigator = G4TransportationManager::GetTransportationManager()
67 ->GetNavigatorForTracking();
68 }
69
70
71 DMXStackingAction::~DMXStackingAction() {
72
73 delete theMessenger;
74 }
75
76
77 G4ClassificationOfNewTrack DMXStackingAction::ClassifyNewTrack
78 (const G4Track* aTrack) {
79
80
81 static G4int gammasKilled = 0;
82
83 G4ClassificationOfNewTrack classification = fWaiting;
84
85 // Kill gammas from neutrons in concrete wall
86 if(killGammasFlag) {
87 // check if particle is gamma
88 G4ParticleDefinition* particleType = aTrack->GetDefinition();
89 if(particleType==G4Gamma::GammaDefinition()) {
90 // check if particle is in world_phys
91 G4ThreeVector pos = aTrack->GetPosition();
92 G4ThreeVector *ptr = NULL;
93 G4VPhysicalVolume *theVolume;
94 theVolume = gNavigator->LocateGlobalPointAndSetup(pos,ptr,false);
95 if(theVolume->GetName() == "world_phys") {
96 classification = fKill;
97 G4cout << " Total for session Gammas killed in concrete wall (world_phys): "
98 << ++gammasKilled << G4endl;
99 }
100 }
101 }
102
103 return classification;
104
105 }
106
107
108 void DMXStackingAction::NewStage() {;}
109
110
111 void DMXStackingAction::PrepareNewEvent() {;}
112
113
114
115
116