sTGCSimHit.h

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/*
  Copyright (C) 2002-2023 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef MUONSIMEVENT_sTGCSimHit_H
#define MUONSIMEVENT_sTGCSimHit_H 1
 
#include "GeoPrimitives/GeoPrimitives.h"
#include "GeneratorObjects/HepMcParticleLink.h"
 
#include <string>
 
typedef int HitID;
 
class sTGCSimHit final{
 public:
  //
  // construction/destruction
  //
  // needed by athenaRoot
  sTGCSimHit();
 
  // Destructor:
  ~sTGCSimHit();
  sTGCSimHit(HitID id, double time, const Amg::Vector3D& position,
             const int particleEncoding, const Amg::Vector3D& direction,
             const double depositEnergy, const int truthBarcode);
  sTGCSimHit(HitID id, double time, const Amg::Vector3D& position,
             const int particleEncoding, const Amg::Vector3D& direction,
             const double depositEnergy, const HepMcParticleLink& hmpl);
  sTGCSimHit(HitID id, double time, const Amg::Vector3D& position,
             const int particleEncoding, const Amg::Vector3D& direction,
             const double depositEnergy, const HepMcParticleLink& hmpl,
             const double kineticEnergy, const Amg::Vector3D& preposition);
 
  //
  // member functions
  //
 
  //postStep globalTime
  double  globalTime()    const { return (double) m_globalTime; }
 
  //postStep Global and Local Position
  const Amg::Vector3D& globalPosition() const { return m_globalPosition; }
  int particleEncoding() const { return m_particleEncoding; }
  const Amg::Vector3D& globalDirection() const { return m_globalDirection; }
  double depositEnergy() const { return (double) m_depositEnergy; }
  double kineticEnergy() const { return static_cast<double>(m_kineticEnergy); }
  const Amg::Vector3D& globalPrePosition() const { return m_globalPrePosition; }
 
  HitID  sTGCId() const { return m_sTGCId; }
  std::string  print() const;
 
  bool operator< (const sTGCSimHit& rhs) const
  { return m_sTGCId < rhs.m_sTGCId; }
 
  double meanTime() const;
 
  void setGlobalTime( const double time ) { m_globalTime = time; }
  void setDepositEnergy ( const double depositEnergy ) { m_depositEnergy = depositEnergy ;}
  void setGlobalPosition ( const Amg::Vector3D& globalPosition ) { m_globalPosition = globalPosition ;} 
  void setGlobalDirection ( const Amg::Vector3D& globalDirection ) { m_globalDirection = globalDirection ;} 
 
  // truth barcode of the track which released this energy:
  int truthBarcode() const;
 
  // GenParticle::id of the track which released this energy:
  int truthID() const;
 
  // link to the particle generating the hit
  const HepMcParticleLink& particleLink() const;
 
 private:
  //
  // member data
  //
  HitID m_sTGCId;
  float m_globalTime;
  // postStep
  Amg::Vector3D m_globalPosition;
 
  int m_particleEncoding; // PDG id
 
  Amg::Vector3D m_globalDirection;
  float m_depositEnergy;
 
  HepMcParticleLink m_partLink;
 
  //float m_stepLength;
  float m_kineticEnergy;
  Amg::Vector3D m_globalPrePosition;
};
 
//inline methods
 
inline const HepMcParticleLink& sTGCSimHit::particleLink() const
{ return m_partLink; }
inline double sTGCSimHit::meanTime() const
{ return (double) m_globalTime; }
inline float hitTime(const sTGCSimHit& hit)
{ return (float) hit.meanTime(); }
 
#endif