LXeScintSD.cc

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/// \file optical/LXe/src/LXeScintSD.cc
/// \brief Implementation of the LXeScintSD class
//
//
#include "LXeScintSD.hh"
 
#include "LXeScintHit.hh"
 
#include "G4ios.hh"
#include "G4LogicalVolume.hh"
#include "G4ParticleDefinition.hh"
#include "G4SDManager.hh"
#include "G4Step.hh"
#include "G4TouchableHistory.hh"
#include "G4Track.hh"
#include "G4VPhysicalVolume.hh"
#include "G4VProcess.hh"
#include "G4VTouchable.hh"
 
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LXeScintSD::LXeScintSD(G4String name)
  : G4VSensitiveDetector(name)
{
  collectionName.insert("scintCollection");
}
 
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void LXeScintSD::Initialize(G4HCofThisEvent* hitsCE)
{
  fScintCollection =
    new LXeScintHitsCollection(SensitiveDetectorName, collectionName[0]);
 
  if(fHitsCID < 0)
  {
    fHitsCID = G4SDManager::GetSDMpointer()->GetCollectionID(fScintCollection);
  }
  hitsCE->AddHitsCollection(fHitsCID, fScintCollection);
}
 
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G4bool LXeScintSD::ProcessHits(G4Step* aStep, G4TouchableHistory*)
{
  G4double edep = aStep->GetTotalEnergyDeposit();
  if(edep == 0.)
    return false;  // No edep so don't count as hit
 
  G4StepPoint* thePrePoint = aStep->GetPreStepPoint();
  auto 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.;
 
  auto scintHit = new LXeScintHit(thePrePV);
 
  scintHit->SetEdep(edep);
  scintHit->SetPos(pos);
 
  fScintCollection->insert(scintHit);
 
  return true;
}
 
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