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// $Id: TrackingAction.cc,v 1.2 2006/06/29 16:53:27 gunter Exp $
// GEANT4 tag $Name: geant4-09-03-cand-01 $
//
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#include "TrackingAction.hh"

#include "DetectorConstruction.hh"
#include "RunAction.hh"
#include "EventAction.hh"
#include "HistoManager.hh"

#include "G4Track.hh"
#include "G4Positron.hh"

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TrackingAction::TrackingAction(DetectorConstruction* det,RunAction* run,
                               EventAction* evt, HistoManager* hist)
:detector(det), runAct(run), eventAct(evt), histoManager(hist)
{ }
 
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void TrackingAction::PreUserTrackingAction(const G4Track* track )
{
  // Energy flow initialisation for primary particle
  //
  if (track->GetTrackID() == 1) {
    G4int Idnow = 1;
    if (track->GetVolume() != detector->GetphysiWorld()) {
      // unique identificator of layer+absorber
      const G4VTouchable* touchable = track->GetTouchable();
      G4int absorNum = touchable->GetCopyNumber();
      G4int layerNum = touchable->GetReplicaNumber(1);
      Idnow = (detector->GetNbOfAbsor())*layerNum + absorNum;
    }
    
    G4double Eflow = track->GetKineticEnergy();
    if (track->GetDefinition() == G4Positron::Positron())
      Eflow += 2*electron_mass_c2; 
         
    //flux artefact, if primary vertex is inside the calorimeter   
    for (G4int pl=1; pl<=Idnow; pl++) runAct->sumEnergyFlow(pl, Eflow);
  }
}

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void TrackingAction::PostUserTrackingAction(const G4Track* )
{ }

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