UltraPMTSD.cc

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//
//
// --------------------------------------------------------------
//                 GEANT 4 - ULTRA experiment example
// --------------------------------------------------------------
//
// Code developed by:
// B. Tome, M.C. Espirito-Santo, A. Trindade, P. Rodrigues 
//
//    ****************************************************
//    *      UltraPMTSD.cc
//    ****************************************************
//
//    Class used to define the Ultra photomultiplier as a sensitive detector.
//    Hits in this sensitive detector are defined in the UltraOpticalHit class
//
#include "UltraPMTSD.hh"

#include "G4Material.hh"
#include "G4Step.hh"
#include "G4VTouchable.hh"
#include "G4TouchableHistory.hh"
#include "G4SDManager.hh"
#include "G4OpticalPhoton.hh"
#include "G4ParticleDefinition.hh"

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UltraPMTSD::UltraPMTSD(G4String name):G4VSensitiveDetector(name)
{

  collectionName.insert("OpticalHitsCollection");

}


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UltraPMTSD::~UltraPMTSD()
{;}

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void UltraPMTSD::Initialize(G4HCofThisEvent* HCE)
{


  static int HCID1 = -1;


  // SensitiveDetectorName and collectionName are data members of G4VSensitiveDetector

  OpticalHitsCollection = 
    new UltraOpticalHitsCollection(SensitiveDetectorName,collectionName[0]);

  if(HCID1<0)
    { HCID1 = GetCollectionID(0); }
  HCE->AddHitsCollection(HCID1,OpticalHitsCollection);

}

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G4bool UltraPMTSD::ProcessHits(G4Step* aStep,G4TouchableHistory*)
{ 
 
  // Get Material 
  
  G4String thisVolume = aStep->GetTrack()->GetVolume()->GetName() ;
  const G4ParticleDefinition* particle = aStep->GetTrack()->GetDefinition();


  if (thisVolume != "PMT1" && thisVolume != "PMT2") 
    return false;
  if (particle != G4OpticalPhoton::Definition() ) 
    return false;

  if(particle == G4OpticalPhoton::Definition()) 
    aStep->GetTrack()->SetTrackStatus(fStopAndKill);

  G4double      kineticEnergy = aStep->GetTrack()->GetKineticEnergy();
  G4ThreeVector HitPosition   = aStep->GetPreStepPoint()->GetPosition() ;

  UltraOpticalHit* OpticalHit = new UltraOpticalHit ;
  OpticalHit->SetEnergy(kineticEnergy);
  OpticalHit->SetPosition(HitPosition);

 
  OpticalHitsCollection->insert(OpticalHit);


#ifdef ULTRA_VERBOSE
  G4cout << "*******************************" << G4endl;
  G4cout << "             PMT HIT           " << G4endl;
  G4cout << "  Volume:                      " << thisVolume << G4endl;
  G4cout << "  Photon energy (eV) :         " << kineticEnergy/eV << G4endl;
  G4cout << "  POSITION (mm) :              " 
   << HitPosition.x()/mm << " " << HitPosition.y()/mm << " " << HitPosition.z()/mm << G4endl;
  G4cout << "*******************************" << G4endl;
#endif


  return true;
}


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

}

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void UltraPMTSD::clear()
{;} 

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void UltraPMTSD::DrawAll()
{;} 

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void UltraPMTSD::PrintAll()
{;} 

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