Geant4  9.6.p02
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SteppingAction.cc
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29 // $Id$
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33 
34 #include "SteppingAction.hh"
35 #include "DetectorConstruction.hh"
36 #include "RunAction.hh"
37 #include "EventAction.hh"
38 #include "HistoManager.hh"
39 
40 #include "G4SteppingManager.hh"
41 #include "Randomize.hh"
42 
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45 SteppingAction::SteppingAction(DetectorConstruction* det, RunAction* RuAct,
46  EventAction* event, HistoManager* histo)
47 :fDetector(det), fRunAction(RuAct), fEventAction(event), fHistoManager(histo)
48 { }
49 
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52 SteppingAction::~SteppingAction()
53 { }
54 
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56 
57 void SteppingAction::UserSteppingAction(const G4Step* aStep)
58 {
59  G4double edep = aStep->GetTotalEnergyDeposit();
60  if (edep <= 0.) return;
61 
62  //total energy deposit in absorber
63  //
64  fEventAction->AddEdep(edep);
65 
66  //longitudinal profile of deposited energy
67  //
68  G4ThreeVector prePoint = aStep->GetPreStepPoint() ->GetPosition();
69  G4ThreeVector postPoint = aStep->GetPostStepPoint()->GetPosition();
70  G4ThreeVector point = prePoint + G4UniformRand()*(postPoint - prePoint);
71  G4double r = point.mag();
72  fHistoManager->FillHisto(1, r, edep);
73 
74  G4double r0 = fHistoManager->GetcsdaRange();
75  if (r0 > 0.) fHistoManager->FillHisto(8, r/r0, edep);
76 
77  //step size of primary particle or charged secondaries
78  //
79  G4double steplen = aStep->GetStepLength();
80  const G4Track* track = aStep->GetTrack();
81  if (track->GetTrackID() == 1) fHistoManager->FillHisto(4, steplen);
82  else if (track->GetDefinition()->GetPDGCharge() != 0.)
83  fHistoManager->FillHisto(7, steplen);
84 }
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