TRTSensitiveDetector.h

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/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRT_G4_SD_TRTSensitiveDetector_h
#define TRT_G4_SD_TRTSensitiveDetector_h
 
// Base class
#include "G4VSensitiveDetector.hh"
 
#include "CxxUtils/checker_macros.h"
#include "InDetSimEvent/TRTUncompressedHitCollection.h"
#include <gtest/gtest_prod.h>
 
class TRTParameters;
class TRTProcessingOfBarrelHits;
class TRTProcessingOfEndCapHits;
 
class AtlasG4EventUserInfo;
 
class G4HCofThisEvent;
class G4Step;
class G4TouchableHistory;
 
class TRTSensitiveDetector : public G4VSensitiveDetector
{
 FRIEND_TEST( TRTSensitiveDetectortest, ProcessHits );
 FRIEND_TEST( TRTSensitiveDetectortest, AddHit );
 
  friend class TRTProcessingOfBarrelHits;
  friend class TRTProcessingOfEndCapHits;
 
 public:
  TRTSensitiveDetector(const std::string& name, const std::string& hitCollectionName, int setVerboseLevel=0);
  ~TRTSensitiveDetector() { /* don't own any of the pointers... */ }
 
  void Initialize(G4HCofThisEvent*) override final;
  G4bool ProcessHits(G4Step*, G4TouchableHistory*) override final;

  void DeleteObjects();

  template <class... Args> void AddHit(Args&&... args){ m_HitColl->Emplace( args... ); }
 
 private:
  void InitializeHitProcessing();
  //FIXME all class variables should have an "m_" prefix.

  int m_printMessages; // FIXME not used anywhere?
  int m_hitsWithZeroEnergyDeposit;
  G4VProcess* m_phot;
  double m_energyThreshold;
  double m_probabilityThreshold;
  double m_energyDepositCorrection;
  double m_energyThresholdKr;
  double m_probabilityThresholdKr;
  double m_energyDepositCorrectionKr;
  double m_energyThresholdAr;
  double m_probabilityThresholdAr;
  double m_energyDepositCorrectionAr;
  double m_boundaryZ;

  int m_hitID;
  HepMcParticleLink m_partLink;
  int m_particleEncoding;
  double m_kineticEnergy;
  double m_energyDeposit;
  double m_energyDepositInKeV;
  double m_preStepX;
  double m_preStepY;
  double m_preStepZ;
  double m_postStepX;
  double m_postStepY;
  double m_postStepZ;
  double m_globalTime;

  // The hits collection
  std::string m_HitCollName;
  TRTUncompressedHitCollection* m_HitColl{nullptr}; //pUncompressedHitCollection;
  AtlasG4EventUserInfo* m_g4UserEventInfo{nullptr};
 
  const TRTParameters* m_pParameters;
 
  TRTProcessingOfBarrelHits* m_pProcessingOfBarrelHits;
  TRTProcessingOfEndCapHits* m_pProcessingOfEndCapHits;
 
  // Gas switches
  G4Material *m_pMaterialXe;
  G4Material *m_pMaterialKr;
  G4Material *m_pMaterialAr;
};
 
#endif //TRT_G4_SD_TRTSensitiveDetector_h