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geant4/examples/extended/electromagnetic/TestEm18/src/SteppingAction.cc
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2017-12-08 12:52:30 +01:00

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//
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//
/// \file electromagnetic/TestEm18/src/SteppingAction.cc
/// \brief Implementation of the SteppingAction class
//
// $Id: SteppingAction.cc 105927 2017-08-29 13:25:29Z gcosmo $
//
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#include "SteppingAction.hh"
#include "RunAction.hh"
#include "EventAction.hh"
#include "HistoManager.hh"
#include "G4Step.hh"
#include "G4ParticleTypes.hh"
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SteppingAction::SteppingAction(RunAction* RA, EventAction* EA)
:G4UserSteppingAction(),fRunaction(RA), fEventaction(EA)
{ }
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SteppingAction::~SteppingAction()
{ }
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void SteppingAction::UserSteppingAction(const G4Step* step)
{
// energy continuously deposited along trajectory
//
G4int trackID = step->GetTrack()->GetTrackID();
G4double Edep = step->GetTotalEnergyDeposit();
if (Edep > 0.) fEventaction->SumEnergyDeposited(trackID, Edep);
// the rest for primary track only
if (trackID > 1) return;
// count processes
//
const G4StepPoint* endPoint = step->GetPostStepPoint();
const G4VProcess* process = endPoint->GetProcessDefinedStep();
G4String procName = process->GetProcessName();
G4int subtype = process-> GetProcessSubType();
G4int nbsec = step->GetNumberOfSecondariesInCurrentStep();
if ((subtype == 2)&&(nbsec == 0)) procName = "Edep alone";
fRunaction->CountProcesses(procName);
// step size and track length
//
G4double stepSize = step->GetStepLength();
fRunaction->TrackLength(stepSize);
G4AnalysisManager::Instance()->FillH1(1,stepSize);
if (nbsec == 0) return; // no secondary particles
// energy transfered to secondary particles
//
const std::vector<const G4Track*>* secondaries
= step->GetSecondaryInCurrentStep();
G4double Etransfer = 0.;
for (G4int itr=0; itr<nbsec; itr++) {
const G4Track* trk = (*secondaries)[itr];
const G4ParticleDefinition* particle = trk->GetParticleDefinition();
G4String name = particle->GetParticleName();
G4double energy = trk->GetKineticEnergy();
fRunaction->EnergySpectrumOfSecondaries(name,energy);
G4int ih = 0;
if (particle == G4Gamma::Gamma()) ih = 11;
else if (particle == G4Electron::Electron()) ih = 12;
else if (particle == G4Positron::Positron()) ih = 13;
if (ih > 0) G4AnalysisManager::Instance()->FillH1(ih,energy);
if (subtype == 4) energy = trk->GetTotalEnergy(); //(e+,e-) production
Etransfer += energy;
}
fEventaction->SumEnergyTransfered(process, Etransfer);
}
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