CbmTofHit.h

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/* Copyright (C) 2006-2020 GSI Helmholtzzentrum fuer Schwerionenforschung, Darmstadt
   SPDX-License-Identifier: GPL-3.0-only
   Authors: E. Cordier, Andrey Lebedev, Florian Uhlig, Denis Bertini [committer], Pierre-Alain Loizeau */

 
#ifndef CBMTOFHIT_H_
#define CBMTOFHIT_H_
 
#include "CbmHit.h"       // for CbmHit
#include "CbmPixelHit.h"  // for CbmPixelHit
 
#include <Rtypes.h>    // for ClassDef
#include <TVector3.h>  // for TVector3
 
#include <boost/serialization/access.hpp>
#include <boost/serialization/base_object.hpp>
 
#include <cmath>
#include <cstdint>
#include <string>  // for string
 
class CbmTofHit : public CbmPixelHit {
 public:
  CbmTofHit();

  CbmTofHit(int32_t address, TVector3 pos, TVector3 dpos, int32_t refIndex, double time, double dtime, int32_t flag,
            int32_t channel);

  CbmTofHit(int32_t address, TVector3 pos, TVector3 dpos, int32_t refIndex, double tof, int32_t flag, int32_t channel);

  CbmTofHit(int32_t address, TVector3 pos, TVector3 dpos, int32_t refIndex, double tof, int32_t flag);

  CbmTofHit(int32_t address, TVector3 pos, TVector3 dpos, int32_t refIndex, double tof);

  virtual ~CbmTofHit();

  virtual std::string ToString() const;

  int32_t GetPlaneId() const { return 0; }

  int32_t GetFlag() const { return fFlag; }
  int32_t GetCh() const { return fChannel; }
 
  double GetR() const { return sqrt(GetX() * GetX() + GetY() * GetY() + GetZ() * GetZ()); }
  double GetRt() const { return sqrt(GetX() * GetX() + GetY() * GetY()); }
  double GetCosThe() const { return GetZ() / GetR(); }
  double GetSinThe() const { return sqrt(GetX() * GetX() + GetY() * GetY()) / GetR(); }
  double GetCosPhi() const { return GetX() / GetRt(); }
  double GetSinPhi() const { return GetY() / GetRt(); }
 
  inline double Dist3D(CbmTofHit* pHit)
  {
    return sqrt((GetX() - pHit->GetX()) * (GetX() - pHit->GetX()) + (GetY() - pHit->GetY()) * (GetY() - pHit->GetY())
                + (GetZ() - pHit->GetZ()) * (GetZ() - pHit->GetZ()));
  }

  void SetFlag(int32_t flag) { fFlag = flag; };
 
  // Make this method otherwise inherited from CbmHit through CbmPixelHit
  // private to prevent its usage
  int32_t GetRefId() const __attribute__((deprecated)) { return -1; }
  // Field is instead used to store the number of strips used to generate the hit
  int32_t GetClusterSize() { return CbmHit::GetRefId(); }
 
 private:
  int32_t fFlag;     
  int32_t fChannel;  
 
  friend class boost::serialization::access;
 
  template<class Archive>
  void serialize(Archive& ar, const unsigned int /*version*/)
  {
    ar& fFlag;
    ar& fChannel;
  }
 
  ClassDef(CbmTofHit, 5)
};
 
#endif