TrackingAction.cc

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// $Id: TrackingAction.cc 74997 2013-10-25 10:52:13Z gcosmo $
//
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#include "TrackingAction.hh"

#include "Run.hh"
#include "HistoManager.hh"

#include "G4Track.hh"
#include "G4StepStatus.hh"
#include "G4RunManager.hh"

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TrackingAction::TrackingAction()
:G4UserTrackingAction()
{ }

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void TrackingAction::PreUserTrackingAction(const G4Track* track)
{  
  //count secondary particles
  if (track->GetTrackID() == 1) return;
  G4int iabs = track->GetTouchableHandle()->GetCopyNumber();
  G4String name   = track->GetDefinition()->GetParticleName();
  G4double energy = track->GetKineticEnergy();
  Run* run = static_cast<Run*>(
        G4RunManager::GetRunManager()->GetNonConstCurrentRun());    
  if(iabs > 0) run->ParticleCount(iabs,name,energy);
}

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void TrackingAction::PostUserTrackingAction(const G4Track* track)
{
  // get Run
  Run* run 
    = static_cast<Run*>(
        G4RunManager::GetRunManager()->GetNonConstCurrentRun());
  
  // where are we ?
  G4StepStatus status = track->GetStep()->GetPostStepPoint()->GetStepStatus();
  
  //status of primary particle : absorbed, transmited, reflected ?
  if (track->GetTrackID() == 1) {
    G4int flag = 0;
    if (status == fWorldBoundary) {
      if (track->GetMomentumDirection().x() > 0.) flag = 1;
      else                                        flag = 2;
    }
    run->AddTrackStatus(flag);
  }
  
  // keep only emerging particles
  if (status != fWorldBoundary) return;

  // count particles
  const G4ParticleDefinition* particle = track->GetParticleDefinition();
  G4String name   = particle->GetParticleName();
  G4double energy = track->GetKineticEnergy();
  run->ParticleCount(0,name,energy);

}

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