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// $Id: ExN06StackingAction.cc,v 1.5 2006/06/29 17:54:34 gunter Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
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#include "ExN06StackingAction.hh"

#include "G4ParticleDefinition.hh"
#include "G4ParticleTypes.hh"
#include "G4Track.hh"
#include "G4ios.hh"

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ExN06StackingAction::ExN06StackingAction()
: gammaCounter(0)
{}

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ExN06StackingAction::~ExN06StackingAction()
{}

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G4ClassificationOfNewTrack
ExN06StackingAction::ClassifyNewTrack(const G4Track * aTrack)
{
  if(aTrack->GetDefinition() == G4OpticalPhoton::OpticalPhotonDefinition())
  { // particle is optical photon
    if(aTrack->GetParentID()>0)
    { // particle is secondary
      gammaCounter++;
    }
  }
  return fUrgent;
}

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void ExN06StackingAction::NewStage()
{
  G4cout << "Number of optical photons produces in this event : "
         << gammaCounter << G4endl;
}

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void ExN06StackingAction::PrepareNewEvent()
{ gammaCounter = 0; }

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