ch3/src/SteppingAction.cc

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0025 //
0026 //
0027 /// \file SteppingAction.cc
0028 /// \brief Implementation of the SteppingAction class
0029
0030 #include "SteppingAction.hh"
0031 #include "DetectorConstruction.hh"
0032
0033 #include "G4Step.hh"
0034 #include "G4Event.hh"
0035 #include "G4RunManager.hh"
0036 #include "G4LogicalVolume.hh"
0037 #include <CLHEP/Units/SystemOfUnits.h>
0038
0039 #include "G4AnalysisManager.hh"
0040
0041 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0042
0043 void SteppingAction::UserSteppingAction(const G4Step* step)
0044 {
0045
0046     G4String volumeName = step->GetPreStepPoint()->GetTouchableHandle()
0047                             ->GetVolume()->GetName();
0048
0049     //if a particle enters the detector volume
0050     if (step->GetPreStepPoint()-> GetStepStatus()==G4StepStatus::fGeomBoundary&&
0051         volumeName=="Detector")
0052     {
0053         G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();
0054
0055         //e- spectrum
0056         if(step->GetTrack()->GetDefinition()->GetParticleName()=="e-")
0057         {
0058             //coordinate in the horizontal plane
0059             G4double eElectron = step->GetPreStepPoint()->GetTotalEnergy()/CLHEP::GeV;
0060
0061             //filling histogram
0062             analysisManager->FillH1(0, eElectron);
0063         }
0064
0065         //e+ spectrum
0066         if(step->GetTrack()->GetDefinition()->GetParticleName()=="e+")
0067         {
0068             //coordinate in the horizontal plane
0069             G4double ePositron = step->GetPreStepPoint()->GetTotalEnergy()/CLHEP::GeV;
0070
0071             //filling histogram
0072             analysisManager->FillH1(1, ePositron);
0073         }
0074
0075         //gamma spectrum
0076         if(step->GetTrack()->GetDefinition()->GetParticleName()=="gamma")
0077         {
0078             //coordinate in the horizontal plane
0079             G4double eGamma = step->GetPreStepPoint()->GetTotalEnergy()/CLHEP::GeV;
0080
0081             //filling histogram
0082             analysisManager->FillH1(2, eGamma);
0083         }
0084     }
0085 }
0086
0087 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0088
0089 //}