HepMCEx01/src/ExN04SteppingAction.cc

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0025 //
0026 /// \file eventgenerator/HepMC/HepMCEx01/src/ExN04SteppingAction.cc
0027 /// \brief Implementation of the ExN04SteppingAction class
0028 //
0029 //
0030
0031 #include "ExN04SteppingAction.hh"
0032
0033 #include "G4ParticleDefinition.hh"
0034 #include "G4ParticleTypes.hh"
0035 #include "G4Step.hh"
0036 #include "G4StepPoint.hh"
0037 #include "G4SteppingManager.hh"
0038 #include "G4Track.hh"
0039 #include "G4TrackStatus.hh"
0040 #include "G4VPhysicalVolume.hh"
0041
0042 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0043 ExN04SteppingAction::ExN04SteppingAction() : G4UserSteppingAction() {}
0044
0045 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0046 ExN04SteppingAction::~ExN04SteppingAction() {}
0047
0048 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0049 void ExN04SteppingAction::UserSteppingAction(const G4Step* theStep)
0050 {
0051   G4Track* theTrack = theStep->GetTrack();
0052
0053   // check if it is alive
0054   if (theTrack->GetTrackStatus() != fAlive) {
0055     return;
0056   }
0057
0058   // check if it is primary
0059   if (theTrack->GetParentID() != 0) {
0060     return;
0061   }
0062
0063   // check if it is NOT muon
0064   G4ParticleDefinition* particleType = theTrack->GetDefinition();
0065   if ((particleType == G4MuonPlus::MuonPlusDefinition())
0066       || (particleType == G4MuonMinus::MuonMinusDefinition()))
0067   {
0068     return;
0069   }
0070
0071   // check if it is entering to the calorimeter volume
0072   G4StepPoint* thePrePoint = theStep->GetPreStepPoint();
0073   G4VPhysicalVolume* thePrePV = thePrePoint->GetPhysicalVolume();
0074   G4String thePrePVname = thePrePV->GetName();
0075   if (thePrePVname.substr(0, 4) == "calo") {
0076     return;
0077   }
0078   G4StepPoint* thePostPoint = theStep->GetPostStepPoint();
0079   G4VPhysicalVolume* thePostPV = thePostPoint->GetPhysicalVolume();
0080   G4String thePostPVname = thePostPV->GetName();
0081   if (thePostPVname.substr(0, 4) != "calo") {
0082     return;
0083   }
0084
0085   // then suspend the track
0086   theTrack->SetTrackStatus(fSuspend);
0087 }