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Geant4/examples/extended/electromagnetic/TestEm18/src/SteppingAction.cc

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 25 //
 26 /// \file electromagnetic/TestEm18/src/SteppingAction.cc
 27 /// \brief Implementation of the SteppingAction class
 28 //
 29 //
 30 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 31 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 32 
 33 #include "SteppingAction.hh"
 34 
 35 #include "EventAction.hh"
 36 #include "HistoManager.hh"
 37 #include "RunAction.hh"
 38 
 39 #include "G4ParticleTypes.hh"
 40 #include "G4Step.hh"
 41 
 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 43 
 44 SteppingAction::SteppingAction(RunAction* RA, EventAction* EA) : fRunaction(RA), fEventaction(EA) {}
 45 
 46 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
 47 
 48 void SteppingAction::UserSteppingAction(const G4Step* step)
 49 {
 50   // energy continuously deposited along trajectory
 51   //
 52   G4int trackID = step->GetTrack()->GetTrackID();
 53   G4double Edep = step->GetTotalEnergyDeposit();
 54   if (Edep > 0.) fEventaction->SumEnergyDeposited(trackID, Edep);
 55 
 56   // the rest for primary track only
 57   if (trackID > 1) return;
 58 
 59   // count processes
 60   //
 61   const G4StepPoint* endPoint = step->GetPostStepPoint();
 62   const G4VProcess* process = endPoint->GetProcessDefinedStep();
 63   G4String procName = process->GetProcessName();
 64   G4int subtype = process->GetProcessSubType();
 65   G4int nbsec = step->GetNumberOfSecondariesInCurrentStep();
 66   if ((subtype == 2) && (nbsec == 0)) procName = "Edep alone";
 67   fRunaction->CountProcesses(procName);
 68 
 69   // step size and track length
 70   //
 71   G4double stepSize = step->GetStepLength();
 72   fRunaction->TrackLength(stepSize);
 73   G4AnalysisManager::Instance()->FillH1(1, stepSize);
 74 
 75   if (nbsec == 0) return;  // no secondary particles
 76 
 77   // energy transfered to secondary particles
 78   //
 79   const std::vector<const G4Track*>* secondaries = step->GetSecondaryInCurrentStep();
 80   G4double Etransfer = 0.;
 81   for (G4int itr = 0; itr < nbsec; itr++) {
 82     const G4Track* trk = (*secondaries)[itr];
 83     const G4ParticleDefinition* particle = trk->GetParticleDefinition();
 84     G4String name = particle->GetParticleName();
 85     G4double energy = trk->GetKineticEnergy();
 86     fRunaction->EnergySpectrumOfSecondaries(name, energy);
 87     G4int ih = 0;
 88     if (particle == G4Gamma::Gamma())
 89       ih = 11;
 90     else if (particle == G4Electron::Electron())
 91       ih = 12;
 92     else if (particle == G4Positron::Positron())
 93       ih = 13;
 94     if (ih > 0) G4AnalysisManager::Instance()->FillH1(ih, energy);
 95     if (subtype == 4) energy = trk->GetTotalEnergy();  //(e+,e-) production
 96     Etransfer += energy;
 97   }
 98   fEventaction->SumEnergyTransfered(process, Etransfer);
 99 }
100 
101 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
102