RE07/src/SteppingAction.cc

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