larg4::OpDetSensitiveDetector Class Reference

#include "OpDetSensitiveDetector.h"

Inheritance diagram for larg4::OpDetSensitiveDetector:

Public Member Functions
	OpDetSensitiveDetector (G4String name, bool useLitePhotons=false)
virtual	~OpDetSensitiveDetector ()
virtual void	Initialize (G4HCofThisEvent *)
virtual void	EndOfEvent (G4HCofThisEvent *)
virtual void	clear ()
virtual G4bool	ProcessHits (G4Step *, G4TouchableHistory *)
virtual void	DrawAll ()
virtual void	PrintAll ()

Private Member Functions
void	AddPhoton (G4Step const *aStep, int OpDet)
	Adds the photon at the specified step with full information. More...
void	AddLitePhoton (G4Step const *aStep, int OpDet)
	Adds the photon at the specified step with reduced information. More...

Private Attributes
bool const	fUseLitePhotons
	Fill simplified lite photons instead of full information photons. More...
OpDetLookup *	fTheOpDetLookup
OpDetPhotonTable *	fThePhotonTable

Detailed Description

Definition at line 36 of file OpDetSensitiveDetector.h.

Constructor & Destructor Documentation

larg4::OpDetSensitiveDetector::OpDetSensitiveDetector	(	G4String	name,
		bool	useLitePhotons = false
	)

Definition at line 28 of file OpDetSensitiveDetector.cxx.

References fTheOpDetLookup, fThePhotonTable, larg4::OpDetLookup::Instance(), and larg4::OpDetPhotonTable::Instance().

    : G4VSensitiveDetector(DetectorUniqueName), fUseLitePhotons(useLitePhotons)
  {
    // Register self with sensitive detector manager
    G4SDManager::GetSDMpointer()->AddNewDetector(this);

    // Get instances of singleton classes
    fTheOpDetLookup = OpDetLookup::Instance();
    fThePhotonTable = OpDetPhotonTable::Instance();
  }

virtual larg4::OpDetSensitiveDetector::~OpDetSensitiveDetector ( )

inlinevirtual

Definition at line 40 of file OpDetSensitiveDetector.h.

References Initialize().

{}

Member Function Documentation

void larg4::OpDetSensitiveDetector::AddLitePhoton ( G4Step const *  aStep, int  OpDet  )

private

Adds the photon at the specified step with reduced information.

Definition at line 42 of file OpDetSensitiveDetector.cxx.

References larg4::OpDetPhotonTable::AddLitePhoton(), energy, and fThePhotonTable.

Referenced by ProcessHits().

  {

    double const time = aStep->GetTrack()->GetGlobalTime();

    // the guideline: if it's VUV (~128 nm) is direct, otherwise it is reflected
    double const energy = aStep->GetTrack()->GetVertexKineticEnergy() / CLHEP::eV;
    bool const reflected = Wavelength(energy) > 200.0; // nm

    // Add this photon to the detected photons table
    fThePhotonTable->AddLitePhoton(OpDet, static_cast<int>(time), 1, reflected);

  } // OpDetSensitiveDetector::AddLitePhoton()

void larg4::OpDetSensitiveDetector::AddPhoton ( G4Step const *  aStep, int  OpDet  )

private

Adds the photon at the specified step with full information.

Definition at line 58 of file OpDetSensitiveDetector.cxx.

References larg4::OpDetPhotonTable::AddPhoton(), sim::OnePhoton::Energy, sim::OnePhoton::FinalLocalPosition, fThePhotonTable, sim::OnePhoton::InitialPosition, sim::OnePhoton::SetInSD, sim::OnePhoton::Time, and track.

Referenced by ProcessHits().

  {
    sim::OnePhoton ThePhoton;

    // Get photon data to store in the hit

    ThePhoton.SetInSD = true;

    auto const& track = *(aStep->GetTrack());
    auto const& startPos = track.GetVertexPosition();
    ThePhoton.InitialPosition = {startPos.x(), startPos.y(), startPos.z()};

    //ThePhoton.Time                = track.GetGlobalTime() - fGlobalTimeOffset;
    ThePhoton.Time = track.GetGlobalTime();

    ThePhoton.Energy = track.GetVertexKineticEnergy();

    // Lookup which OpDet we are in
    G4StepPoint const* preStepPoint = aStep->GetPreStepPoint();

    // Store relative position on the photon detector
    G4ThreeVector worldPosition = preStepPoint->GetPosition();
    G4ThreeVector localPosition =
      preStepPoint->GetTouchableHandle()->GetHistory()->GetTopTransform().TransformPoint(
        worldPosition);
    ThePhoton.FinalLocalPosition = {
      localPosition.x() / CLHEP::cm, localPosition.y() / CLHEP::cm, localPosition.z() / CLHEP::cm};

    // Add this photon to the detected photons table
    fThePhotonTable->AddPhoton(OpDet, std::move(ThePhoton));

  } // OpDetSensitiveDetector::AddPhoton()

virtual void larg4::OpDetSensitiveDetector::clear ( )

inlinevirtual

Definition at line 47 of file OpDetSensitiveDetector.h.

References ProcessHits().

{}

virtual void larg4::OpDetSensitiveDetector::DrawAll ( )

inlinevirtual

Definition at line 53 of file OpDetSensitiveDetector.h.

{}

virtual void larg4::OpDetSensitiveDetector::EndOfEvent ( G4HCofThisEvent *  )

inlinevirtual

Definition at line 44 of file OpDetSensitiveDetector.h.

{}

void larg4::OpDetSensitiveDetector::Initialize ( G4HCofThisEvent *  )

virtual

Definition at line 112 of file OpDetSensitiveDetector.cxx.

References energy.

Referenced by ~OpDetSensitiveDetector().

{}

virtual void larg4::OpDetSensitiveDetector::PrintAll ( )

inlinevirtual

Definition at line 54 of file OpDetSensitiveDetector.h.

{}

G4bool larg4::OpDetSensitiveDetector::ProcessHits ( G4Step *  aStep, G4TouchableHistory *    )

virtual

Definition at line 93 of file OpDetSensitiveDetector.cxx.

References AddLitePhoton(), AddPhoton(), fTheOpDetLookup, fUseLitePhotons, and larg4::OpDetLookup::GetOpDet().

Referenced by clear().

  {
    // Lookup which OpDet we are in
    int const OpDet = fTheOpDetLookup->GetOpDet(aStep->GetPreStepPoint()->GetPhysicalVolume());

    // Add this photon to the detected photons table
    if (fUseLitePhotons)
      AddLitePhoton(aStep, OpDet);
    else
      AddPhoton(aStep, OpDet);

    // Kill this photon track
    aStep->GetTrack()->SetTrackStatus(fStopAndKill);

    return true;
  }

Member Data Documentation

OpDetLookup* larg4::OpDetSensitiveDetector::fTheOpDetLookup

private

Definition at line 60 of file OpDetSensitiveDetector.h.

Referenced by OpDetSensitiveDetector(), and ProcessHits().

OpDetPhotonTable* larg4::OpDetSensitiveDetector::fThePhotonTable

private

Definition at line 61 of file OpDetSensitiveDetector.h.

Referenced by AddLitePhoton(), AddPhoton(), and OpDetSensitiveDetector().

bool const larg4::OpDetSensitiveDetector::fUseLitePhotons

private

Fill simplified lite photons instead of full information photons.

Definition at line 58 of file OpDetSensitiveDetector.h.

Referenced by ProcessHits().

---

The documentation for this class was generated from the following files:

• larsim/v09_43_00/source/larsim/LegacyLArG4/OpDetSensitiveDetector.h
• larsim/v09_43_00/source/larsim/LegacyLArG4/OpDetSensitiveDetector.cxx