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// $Id: AnaEx01CalorimeterSD.cc,v 1.5 2006/06/29 16:33:46 gunter Exp $
// GEANT4 tag $Name: geant4-09-04-beta-01 $
//
// 

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#include "AnaEx01CalorimeterSD.hh"

#include "AnaEx01CalorHit.hh"
#include "AnaEx01DetectorConstruction.hh"

#include "G4VPhysicalVolume.hh"
#include "G4Step.hh"
#include "G4VTouchable.hh"
#include "G4TouchableHistory.hh"
#include "G4SDManager.hh"

#include "G4ios.hh"

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AnaEx01CalorimeterSD::AnaEx01CalorimeterSD(G4String name,
                                   AnaEx01DetectorConstruction* det)
:G4VSensitiveDetector(name),Detector(det)
{
  collectionName.insert("CalCollection");
  HitID = new G4int[500];
}

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AnaEx01CalorimeterSD::~AnaEx01CalorimeterSD()
{
  delete [] HitID;
}

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void AnaEx01CalorimeterSD::Initialize(G4HCofThisEvent*)
{
  CalCollection = new AnaEx01CalorHitsCollection
                      (SensitiveDetectorName,collectionName[0]); 
  for (G4int j=0;j<Detector->GetNbOfLayers();j++) {HitID[j] = -1;};
}

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G4bool AnaEx01CalorimeterSD::ProcessHits(G4Step* aStep,G4TouchableHistory*)
{
  G4double edep = aStep->GetTotalEnergyDeposit();
  
  G4double stepl = 0.;
  if (aStep->GetTrack()->GetDefinition()->GetPDGCharge() != 0.)
      stepl = aStep->GetStepLength();
      
  if ((edep==0.)&&(stepl==0.)) return false;      

  G4TouchableHistory* theTouchable
    = (G4TouchableHistory*)(aStep->GetPreStepPoint()->GetTouchable());
    
  G4VPhysicalVolume* physVol = theTouchable->GetVolume(); 
  //theTouchable->MoveUpHistory();
  G4int LayerNumber = 0;
  if (Detector->GetNbOfLayers()>1) LayerNumber=theTouchable->GetReplicaNumber(1);

  if (HitID[LayerNumber]==-1)
    { 
      AnaEx01CalorHit* calHit = new AnaEx01CalorHit();
      if (physVol == Detector->GetAbsorber()) calHit->AddAbs(edep,stepl);
      if (physVol == Detector->GetGap     ()) calHit->AddGap(edep,stepl);
      HitID[LayerNumber] = CalCollection->insert(calHit) - 1;
      if (verboseLevel>0)
        G4cout << " New Calorimeter Hit on layer: " << LayerNumber << G4endl;
    }
  else
    { 
      if (physVol == Detector->GetAbsorber())
         (*CalCollection)[HitID[LayerNumber]]->AddAbs(edep,stepl);
      if (physVol == Detector->GetGap())
         (*CalCollection)[HitID[LayerNumber]]->AddGap(edep,stepl);
      if (verboseLevel>0)
        G4cout << " Energy added to Layer: " << LayerNumber << G4endl; 
    }
    
  return true;
}

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void AnaEx01CalorimeterSD::EndOfEvent(G4HCofThisEvent* HCE)
{
  static G4int HCID = -1;
  if(HCID<0)
  { HCID = G4SDManager::GetSDMpointer()->GetCollectionID(collectionName[0]); }
  HCE->AddHitsCollection(HCID,CalCollection);
}

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void AnaEx01CalorimeterSD::clear()
{} 

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void AnaEx01CalorimeterSD::DrawAll()
{} 

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void AnaEx01CalorimeterSD::PrintAll()
{} 

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