LXeScintSD.cc

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// $Id: LXeScintSD.cc 110138 2018-05-16 07:31:43Z gcosmo $
//
//
//
#include "LXeScintSD.hh"
#include "LXeScintHit.hh"
#include "G4VPhysicalVolume.hh"
#include "G4LogicalVolume.hh"
#include "G4Track.hh"
#include "G4Step.hh"
#include "G4ParticleDefinition.hh"
#include "G4VTouchable.hh"
#include "G4TouchableHistory.hh"
#include "G4ios.hh"
#include "G4VProcess.hh"

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LXeScintSD::LXeScintSD(G4String name)
  : G4VSensitiveDetector(name)
{
  fScintCollection = nullptr;
  collectionName.insert("scintCollection");
}

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LXeScintSD::~LXeScintSD() {}

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void LXeScintSD::Initialize(G4HCofThisEvent* hitsCE){
  fScintCollection = new LXeScintHitsCollection
                      (SensitiveDetectorName,collectionName[0]);
  //A way to keep all the hits of this event in one place if needed
  static G4int hitsCID = -1;
  if(hitsCID<0){
    hitsCID = GetCollectionID(0);
  }
  hitsCE->AddHitsCollection( hitsCID, fScintCollection );
}

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G4bool LXeScintSD::ProcessHits(G4Step* aStep,G4TouchableHistory* ){
  G4double edep = aStep->GetTotalEnergyDeposit();
  if(edep==0.) return false; //No edep so dont count as hit

  G4StepPoint* thePrePoint = aStep->GetPreStepPoint();
  G4TouchableHistory* theTouchable =
    (G4TouchableHistory*)(aStep->GetPreStepPoint()->GetTouchable());
  G4VPhysicalVolume* thePrePV = theTouchable->GetVolume();
 
  G4StepPoint* thePostPoint = aStep->GetPostStepPoint();

  //Get the average position of the hit
  G4ThreeVector pos = thePrePoint->GetPosition() + thePostPoint->GetPosition();
  pos/=2.;

  LXeScintHit* scintHit = new LXeScintHit(thePrePV);

  scintHit->SetEdep(edep);
  scintHit->SetPos(pos);

  fScintCollection->insert(scintHit);

  return true;
}

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void LXeScintSD::EndOfEvent(G4HCofThisEvent* ) {}

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void LXeScintSD::clear() {} 

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void LXeScintSD::DrawAll() {} 

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void LXeScintSD::PrintAll() {}