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TrackingAction.cc
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29 // $Id$
30 //
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33 
34 #include "TrackingAction.hh"
35 
36 #include "DetectorConstruction.hh"
37 #include "RunAction.hh"
38 #include "HistoManager.hh"
39 
40 #include "G4Track.hh"
41 
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44 TrackingAction::TrackingAction(DetectorConstruction* det, RunAction* run)
45 :fDetector(det),fRunAction(run)
46 { }
47 
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49 
50 void TrackingAction::PostUserTrackingAction(const G4Track* track)
51 {
52  G4int trackID = track->GetTrackID();
53 
54  G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
55 
56  //track length of primary particle or charged secondaries
57  //
58  G4double tracklen = track->GetTrackLength();
59  if (trackID == 1) {
60  fRunAction->AddTrackLength(tracklen);
61  analysisManager->FillH1(3, tracklen);
62  } else if (track->GetDefinition()->GetPDGCharge() != 0.)
63  analysisManager->FillH1(6, tracklen);
64 
65  //extract projected range of primary particle
66  //
67  if (trackID == 1) {
68  G4double x = track->GetPosition().x() + 0.5*fDetector->GetAbsorSizeX();
69  fRunAction->AddProjRange(x);
70  analysisManager->FillH1(5, x);
71  }
72 
73  //mean step size of primary particle
74  //
75  if (trackID == 1) {
76  G4int nbOfSteps = track->GetCurrentStepNumber();
77  G4double stepSize = tracklen/nbOfSteps;
78  fRunAction->AddStepSize(nbOfSteps,stepSize);
79  }
80 
81  //status of primary particle : absorbed, transmited, reflected ?
82  //
83  if (trackID == 1) {
84  G4int status = 0;
85  if (!track->GetNextVolume()) {
86  if (track->GetMomentumDirection().x() > 0.) status = 1;
87  else status = 2;
88  }
89  fRunAction->AddTrackStatus(status);
90  }
91 }
92 
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