GammaRayTelCalorimeterSD.cc

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// $Id$
// ------------------------------------------------------------
//      GEANT 4 class implementation file
//      CERN Geneva Switzerland
//
//
//      ------------ GammaRayTelCalorimeterSD  ------
//           by  R.Giannitrapani, F.Longo & G.Santin (13 nov 2000)
//
// ************************************************************
#include "G4RunManager.hh"
#include "GammaRayTelCalorimeterSD.hh"
#include "GammaRayTelCalorimeterHit.hh"
#include "GammaRayTelDetectorConstruction.hh"

#include "G4SystemOfUnits.hh"
#include "G4VPhysicalVolume.hh"
#include "G4Step.hh"
#include "G4VTouchable.hh"
#include "G4TouchableHistory.hh"
#include "G4SDManager.hh"
#include "G4ios.hh"

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GammaRayTelCalorimeterSD::GammaRayTelCalorimeterSD(G4String name):G4VSensitiveDetector(name)
{
 G4RunManager* runManager = G4RunManager::GetRunManager();
  Detector =
    (GammaRayTelDetectorConstruction*)(runManager->GetUserDetectorConstruction());
  
  NbOfCALBars  = Detector->GetNbOfCALBars();
  NbOfCALLayers  = Detector->GetNbOfCALLayers();

  //G4cout <<  NbOfCALBars << " bars " << G4endl;
  //G4cout <<  NbOfCALLayers << " layers " << G4endl;
  
  NbOfCALChannels = NbOfCALBars*NbOfCALLayers;
  
  ChitXID = new G4int[NbOfCALChannels];
  ChitYID = new G4int[NbOfCALChannels];
  collectionName.insert("CalorimeterCollection");
}

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GammaRayTelCalorimeterSD::~GammaRayTelCalorimeterSD()
{
  delete [] ChitXID;
  delete [] ChitYID;
}

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void GammaRayTelCalorimeterSD::Initialize(G4HCofThisEvent*)
{
  CalorimeterCollection = new GammaRayTelCalorimeterHitsCollection
    (SensitiveDetectorName,collectionName[0]);
  for (G4int i=0;i<NbOfCALChannels;i++)
      {
    ChitXID[i] = -1;
    ChitYID[i] = -1;
      };
}

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G4bool GammaRayTelCalorimeterSD::ProcessHits(G4Step* aStep,G4TouchableHistory*)
{ 
  
  G4double edep = aStep->GetTotalEnergyDeposit();
  if ((edep/keV == 0.)) return false;      
  
  // This TouchableHistory is used to obtain the physical volume
  // of the hit
  G4TouchableHistory* theTouchable
    = (G4TouchableHistory*)(aStep->GetPreStepPoint()->GetTouchable());
  
  G4VPhysicalVolume* cal_bar = theTouchable->GetVolume();  
  G4VPhysicalVolume* cal_plane = theTouchable->GetVolume(1);

  G4int CALBarNumber=cal_bar->GetCopyNo();
  G4String CALBarName = cal_bar->GetName();
  
  G4int PlaneNumber = 0;
  PlaneNumber=cal_plane->GetCopyNo();
  G4String PlaneName = cal_plane->GetName();


  G4int NChannel = 0;
  
  NChannel = PlaneNumber * NbOfCALBars + CALBarNumber; 
  
  if (PlaneName == "CALLayerX" )
    
    // The hit is on an X CsI plane
    
    {
      // This is a new hit
      if (ChitXID[NChannel]==-1)
    {       
      GammaRayTelCalorimeterHit* CalorimeterHit = new GammaRayTelCalorimeterHit;
      CalorimeterHit->SetCALType(1);
      CalorimeterHit->AddEnergy(edep);
      CalorimeterHit->SetPos(aStep->GetPreStepPoint()->GetPosition());
      CalorimeterHit->SetCALPlaneNumber(PlaneNumber);
      CalorimeterHit->SetCALBarNumber(CALBarNumber);
      ChitXID[NChannel] = 
        CalorimeterCollection->insert(CalorimeterHit) -1;
    }
      else // This is not new
    {
      (*CalorimeterCollection)
        [ChitXID[NChannel]]->AddEnergy(edep);
    }
    }
 
  if (PlaneName == "CALLayerY")
    // The hit is on an Y CsI plane    
    {   
      // This is a new hit
      if (ChitYID[NChannel]==-1)
    {       
      GammaRayTelCalorimeterHit* CalorimeterHit 
        = new GammaRayTelCalorimeterHit;
      CalorimeterHit->SetCALType(0);
      CalorimeterHit->AddEnergy(edep);
      CalorimeterHit->SetPos(aStep->GetPreStepPoint()->GetPosition());
      CalorimeterHit->SetCALPlaneNumber(PlaneNumber);
      CalorimeterHit->SetCALBarNumber(CALBarNumber);
      ChitYID[NChannel] = 
        CalorimeterCollection->insert(CalorimeterHit)-1;
    }
      else // This is not new
    {
      (*CalorimeterCollection)
        [ChitYID[NChannel]]->AddEnergy(edep);
    }
    }
  
  return true;
}


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


  for (G4int i=0;i<NbOfCALChannels;i++) 
    {
      ChitXID[i] = -1;
      ChitYID[i] = -1;
    };
}


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void GammaRayTelCalorimeterSD::clear()
{} 

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void GammaRayTelCalorimeterSD::DrawAll()
{} 

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void GammaRayTelCalorimeterSD::PrintAll()
{} 

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