DMXScintSD.cc

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//
// --------------------------------------------------------------
//   GEANT 4 - Underground Dark Matter Detector Advanced Example
//
//      For information related to this code contact: Alex Howard
//      e-mail: alexander.howard@cern.ch
// --------------------------------------------------------------
// Comments
//
//                  Underground Advanced
//               by A. Howard and H. Araujo 
//                    (27th November 2001)
//
// ScintSD (scintillator sensitive detector definition) program
// --------------------------------------------------------------

#include "DMXScintSD.hh"

#include "DMXScintHit.hh"
#include "DMXDetectorConstruction.hh"

#include "G4VPhysicalVolume.hh"
#include "G4HCofThisEvent.hh"
#include "G4Step.hh"
#include "G4SDManager.hh"
#include "G4ParticleDefinition.hh"
#include "G4ParticleTypes.hh"
#include "G4Ions.hh"
#include "G4ios.hh"

#include "G4OpticalPhoton.hh"

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DMXScintSD::DMXScintSD(G4String name) 
  :G4VSensitiveDetector(name)
{
  G4String HCname="scintillatorCollection";
  collectionName.insert(HCname);
}

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DMXScintSD::~DMXScintSD(){ }

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void DMXScintSD::Initialize(G4HCofThisEvent*)
{
  scintillatorCollection = new DMXScintHitsCollection
    (SensitiveDetectorName,collectionName[0]);

  HitID = -1;
}

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G4bool DMXScintSD::ProcessHits(G4Step* aStep, G4TouchableHistory*)
{

  //need to know if this is an optical photon and exclude it:
  if(aStep->GetTrack()->GetDefinition()
     == G4OpticalPhoton::OpticalPhotonDefinition()) return false;

  
  G4double edep = aStep->GetTotalEnergyDeposit();
  G4ParticleDefinition* particleType = aStep->GetTrack()->GetDefinition();
  G4String particleName = particleType->GetParticleName();

  G4double stepl = 0.;
  if (particleType->GetPDGCharge() != 0.)
    stepl = aStep->GetStepLength();
  
  if ((edep==0.)&&(stepl==0.)) return false;      


  // fill in hit
  DMXScintHit* newHit = new DMXScintHit();
  newHit->SetEdep(edep);
  newHit->SetPos(aStep->GetPostStepPoint()->GetPosition());
  newHit->SetTime(aStep->GetPreStepPoint()->GetGlobalTime());
  newHit->SetParticle(particleName);
  newHit->SetParticleEnergy(aStep->GetPreStepPoint()->GetKineticEnergy() );

  HitID = scintillatorCollection->insert(newHit);
  
  return true;
}


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void DMXScintSD::EndOfEvent(G4HCofThisEvent* HCE)
{

  G4String HCname = collectionName[0];
  static G4int HCID = -1;
  if(HCID<0)
    HCID = G4SDManager::GetSDMpointer()->GetCollectionID(HCname);
  HCE->AddHitsCollection(HCID,scintillatorCollection);

  G4int nHits = scintillatorCollection->entries();
  if (verboseLevel>=1)
    G4cout << "     LXe collection: " <<  nHits << " hits" << G4endl;
  if (verboseLevel>=2)
    scintillatorCollection->PrintAllHits();

}

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void DMXScintSD::clear()
{} 

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void DMXScintSD::DrawAll()
{} 

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void DMXScintSD::PrintAll()
{} 

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