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#include "G4BeamTestUserSteppingAction.h"
#include "G4Step.hh"
#include "G4Track.hh"
#include "G4LogicalVolume.hh"
#include "G4UserLimits.hh"
#include "G4SteppingManager.hh"
#include "G4OpticalPhoton.hh"
#include "G4RunManager.hh"
G4BeamTestUserSteppingAction::G4BeamTestUserSteppingAction(){}
void G4BeamTestUserSteppingAction::UserSteppingAction(const G4Step* step)
{
G4int eventNumber = G4RunManager::GetRunManager()->
GetCurrentEvent()->GetEventID();
if (eventNumber != fEventNumber) {
/* G4cout << " Number of Scintillation Photons in previous event: " */
/* << fScintillationCounter << G4endl; */
/* G4cout << " Number of Cerenkov Photons in previous event: " */
/* << fCerenkovCounter << G4endl; */
fEventNumber = eventNumber;
fScintillationCounter = 0;
fCerenkovCounter = 0;
}
G4Track* track = fpSteppingManager->GetTrack();
if(track)
{
const G4LogicalVolume *volume = track->GetLogicalVolumeAtVertex();
G4UserLimits *limit = volume->GetUserLimits();
if(!limit) G4cout << "----> G4LogicalVolume: " << volume->GetName() << " has no defined G4UserLimit" << G4endl;
G4double threshold = limit->GetUserMinEkine(*track);
//check if particle is a gamma
G4String particle = track->GetDefinition()->GetParticleName();
/* G4cout << "particle = " << particle << G4endl; */
if(particle == "gamma")
{
//check if particle energy is below threshold; if true, kill the particle
G4double energy = track->GetTotalEnergy();
if(energy < threshold){
if (energy > 0) G4cout << "SteppingAction: killing particle " << particle << " with energy " << energy << " < " << threshold << G4endl;
track->SetTrackStatus(fStopAndKill);
}
}
}
const std::vector<const G4Track*>* secondaries =
step->GetSecondaryInCurrentStep();
if (secondaries->size()>0) {
for(unsigned int i=0; i<secondaries->size(); ++i) {
if (secondaries->at(i)->GetParentID()>0) {
if(secondaries->at(i)->GetDynamicParticle()->GetParticleDefinition()
== G4OpticalPhoton::OpticalPhotonDefinition()){
if (secondaries->at(i)->GetCreatorProcess()->GetProcessName()
== "Scintillation")fScintillationCounter++;
if (secondaries->at(i)->GetCreatorProcess()->GetProcessName()
== "Cerenkov")fCerenkovCounter++;
}
}
}
}
}
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