RE07/src/SteppingAction.cc

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0025 //
0026 /// \file src/SteppingAction.cc
0027 /// \brief Implementation of the SteppingAction class
0028 //
0029 //
0030 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0031 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0032
0033 #include "SteppingAction.hh"
0034
0035 #include "DetectorConstruction.hh"
0036 #include "EventAction.hh"
0037 #include "Run.hh"
0038
0039 #include "G4PhysicalConstants.hh"
0040 #include "G4Positron.hh"
0041 #include "G4RunManager.hh"
0042
0043 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0044
0045 SteppingAction::SteppingAction(DetectorConstruction* det, EventAction* evt)
0046   : G4UserSteppingAction(), fDetector(det), fEventAct(evt)
0047 {}
0048
0049 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0050
0051 void SteppingAction::UserSteppingAction(const G4Step* aStep)
0052 {
0053   // track informations
0054   const G4StepPoint* prePoint = aStep->GetPreStepPoint();
0055
0056   // if World, return
0057   //
0058   G4VPhysicalVolume* volume = prePoint->GetTouchableHandle()->GetVolume();
0059   // if sum of absorbers do not fill exactly a layer: check material, not
0060   // volume.
0061   const G4Material* mat = volume->GetLogicalVolume()->GetMaterial();
0062   if (mat == fDetector->GetWorldMaterial()) return;
0063
0064   const G4ParticleDefinition* particle = aStep->GetTrack()->GetDefinition();
0065
0066   // here we are in an absorber. Locate it
0067   //
0068   G4int absorNum = prePoint->GetTouchableHandle()->GetCopyNumber(0);
0069   // G4int layerNum  = prePoint->GetTouchableHandle()->GetCopyNumber(1);
0070
0071   // get Run
0072   Run* run = static_cast<Run*>(G4RunManager::GetRunManager()->GetNonConstCurrentRun());
0073
0074   // collect energy deposit taking into account track weight
0075   G4double edep = aStep->GetTotalEnergyDeposit() * aStep->GetTrack()->GetWeight();
0076
0077   // collect step length of charged particles
0078   G4double stepl = 0.;
0079   if (particle->GetPDGCharge() != 0.) {
0080     stepl = aStep->GetStepLength();
0081     run->AddChargedStep();
0082   }
0083   else {
0084     run->AddNeutralStep();
0085   }
0086
0087   // sum up per event
0088   fEventAct->SumEnergy(absorNum, edep, stepl);
0089 }
0090
0091 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......