StackingAction.cc

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// $Id: StackingAction.cc 76464 2013-11-11 10:22:56Z gcosmo $
//
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#include "StackingAction.hh"

#include "Run.hh"
#include "EventAction.hh"
#include "HistoManager.hh"
#include "StackingMessenger.hh"

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

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StackingAction::StackingAction(EventAction* EA)
:G4UserStackingAction(), fEventAction(EA),
 fKillSecondary(0),fStackMessenger(0)
{
  fStackMessenger = new StackingMessenger(this);
}

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StackingAction::~StackingAction()
{
  delete fStackMessenger;
}

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G4ClassificationOfNewTrack
StackingAction::ClassifyNewTrack(const G4Track* aTrack)
{
  G4AnalysisManager* analysisManager = G4AnalysisManager::Instance();

  //keep primary particle
  if (aTrack->GetParentID() == 0) return fUrgent;

  //count secondary particles
    
  Run* run = static_cast<Run*>(
             G4RunManager::GetRunManager()->GetNonConstCurrentRun()); 
  run->CountParticles(aTrack->GetDefinition());

  //
  //energy spectrum of secondaries
  //
  G4double energy = aTrack->GetKineticEnergy();
  G4double charge = aTrack->GetDefinition()->GetPDGCharge();

  if (charge != 0.) {
    analysisManager->FillH1(2,energy);
    analysisManager->FillH1(4,energy);
  }

  if (aTrack->GetDefinition() == G4Gamma::Gamma()) {
    analysisManager->FillH1(3,energy);
    analysisManager->FillH1(5,energy);
  }  

  //stack or delete secondaries
  G4ClassificationOfNewTrack status = fUrgent;
  if (fKillSecondary) {
    if (fKillSecondary == 1) {
     fEventAction->AddEnergy(energy);
    }  
     status = fKill;
  }
    
  return status;
}

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