| Geant4 Cross Reference |
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25 //
26 /// \file src/SteppingAction.cc
27 /// \brief Implementation of the SteppingAction class
28 //
29 //
30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
32
33 #include "SteppingAction.hh"
34
35 #include "DetectorConstruction.hh"
36 #include "EventAction.hh"
37 #include "Run.hh"
38
39 #include "G4PhysicalConstants.hh"
40 #include "G4Positron.hh"
41 #include "G4RunManager.hh"
42
43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
44
45 SteppingAction::SteppingAction(DetectorConstruction* det, EventAction* evt)
46 : G4UserSteppingAction(), fDetector(det), fEventAct(evt)
47 {}
48
49 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
50
51 void SteppingAction::UserSteppingAction(const G4Step* aStep)
52 {
53 // track informations
54 const G4StepPoint* prePoint = aStep->GetPreStepPoint();
55
56 // if World, return
57 //
58 G4VPhysicalVolume* volume = prePoint->GetTouchableHandle()->GetVolume();
59 // if sum of absorbers do not fill exactly a layer: check material, not
60 // volume.
61 const G4Material* mat = volume->GetLogicalVolume()->GetMaterial();
62 if (mat == fDetector->GetWorldMaterial()) return;
63
64 const G4ParticleDefinition* particle = aStep->GetTrack()->GetDefinition();
65
66 // here we are in an absorber. Locate it
67 //
68 G4int absorNum = prePoint->GetTouchableHandle()->GetCopyNumber(0);
69 // G4int layerNum = prePoint->GetTouchableHandle()->GetCopyNumber(1);
70
71 // get Run
72 Run* run = static_cast<Run*>(G4RunManager::GetRunManager()->GetNonConstCurrentRun());
73
74 // collect energy deposit taking into account track weight
75 G4double edep = aStep->GetTotalEnergyDeposit() * aStep->GetTrack()->GetWeight();
76
77 // collect step length of charged particles
78 G4double stepl = 0.;
79 if (particle->GetPDGCharge() != 0.) {
80 stepl = aStep->GetStepLength();
81 run->AddChargedStep();
82 }
83 else {
84 run->AddNeutralStep();
85 }
86
87 // sum up per event
88 fEventAct->SumEnergy(absorNum, edep, stepl);
89 }
90
91 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
92