HepMCEx01/src/ExN04SteppingAction.cc

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0025 //
0026 /// \file ExN04SteppingAction.cc
0027 /// \brief Implementation of the ExN04SteppingAction class
0028
0029 #include "ExN04SteppingAction.hh"
0030
0031 #include "G4ParticleDefinition.hh"
0032 #include "G4ParticleTypes.hh"
0033 #include "G4Step.hh"
0034 #include "G4StepPoint.hh"
0035 #include "G4SteppingManager.hh"
0036 #include "G4Track.hh"
0037 #include "G4TrackStatus.hh"
0038 #include "G4VPhysicalVolume.hh"
0039
0040 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0041 ExN04SteppingAction::ExN04SteppingAction() : G4UserSteppingAction() {}
0042
0043 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0044 ExN04SteppingAction::~ExN04SteppingAction() {}
0045
0046 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0047 void ExN04SteppingAction::UserSteppingAction(const G4Step* theStep)
0048 {
0049   G4Track* theTrack = theStep->GetTrack();
0050
0051   // check if it is alive
0052   if (theTrack->GetTrackStatus() != fAlive) {
0053     return;
0054   }
0055
0056   // check if it is primary
0057   if (theTrack->GetParentID() != 0) {
0058     return;
0059   }
0060
0061   // check if it is NOT muon
0062   G4ParticleDefinition* particleType = theTrack->GetDefinition();
0063   if ((particleType == G4MuonPlus::MuonPlusDefinition())
0064       || (particleType == G4MuonMinus::MuonMinusDefinition()))
0065   {
0066     return;
0067   }
0068
0069   // check if it is entering to the calorimeter volume
0070   G4StepPoint* thePrePoint = theStep->GetPreStepPoint();
0071   G4VPhysicalVolume* thePrePV = thePrePoint->GetPhysicalVolume();
0072   G4String thePrePVname = thePrePV->GetName();
0073   if (thePrePVname.substr(0, 4) == "calo") {
0074     return;
0075   }
0076   G4StepPoint* thePostPoint = theStep->GetPostStepPoint();
0077   G4VPhysicalVolume* thePostPV = thePostPoint->GetPhysicalVolume();
0078   G4String thePostPVname = thePostPV->GetName();
0079   if (thePostPVname.substr(0, 4) != "calo") {
0080     return;
0081   }
0082
0083   // then suspend the track
0084   theTrack->SetTrackStatus(fSuspend);
0085 }