STGC_RawData.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef MUONRDO_STGCRAWDATA_H
#define MUONRDO_STGCRAWDATA_H
 
 
#include "Identifier/Identifier.h"
#include <iosfwd>
#include <cstdint>
class MsgStream;
 
namespace Muon {
class STGC_RawData final{
 friend class STGC_RawDataCnv_p1;
 friend class STGC_RawDataCnv_p2;
 friend class STGC_RawDataCnv_p3;
 
 private:
 
 // offline identifier
   Identifier m_id{};
 
   // readout data
   // keeping time in two variables: a float and an int. The float variable is kept for backward compatibility
   float m_time{0};
   unsigned int m_tdo{0}; // time converted to TDC counts
   unsigned int m_charge{0};
   uint16_t m_bcTag{0};
 
   bool m_isDead{false};
   bool m_timeAndChargeInCounts{false};
 
 
 public:
   STGC_RawData (const Identifier id);
   STGC_RawData () = default;
   STGC_RawData(const STGC_RawData&) = default;
   STGC_RawData(STGC_RawData&&) = default;
   STGC_RawData& operator=(const STGC_RawData&) = default;
   STGC_RawData& operator=(STGC_RawData&&) = default;
   ~STGC_RawData() = default;
 
   STGC_RawData(const Identifier id, const uint16_t bcTag, const float time,
                const unsigned int charge, const bool isDead,
                const bool timeAndChargeInCounts);
 
   STGC_RawData (const Identifier id, const uint16_t bcTag, const float time, const unsigned int tdo,
                 const unsigned int charge, const bool isDead, const bool timeAndChargeInCounts );
 
 
   const Identifier identify() const { return m_id; }
 
   // access functions
   float time() const {return m_time;}
   unsigned int tdo() const {return m_tdo;}
   unsigned int charge() const {return m_charge;}
   uint16_t bcTag() const {return m_bcTag;}
 
   bool isDead() const {return m_isDead;}
   bool timeAndChargeInCounts() const {return m_timeAndChargeInCounts;}
 
   // Lower time bound of digits selected at the end of digitization.
   // As of June 2022, the main event is assigned to relative_BCID=3, which is set to correspond
   // to the time interval [-12.5ns, +12.5ns]. The digits within the BC window [-3, +4] are kept.
   // Therefore the lower time bound is -87.5 ns.
   static constexpr double s_lowerTimeBound{-87.5};
 
   // BC window
   static constexpr int s_BCWindow{8};
 
  // A Simple constant to convert time to TDC counts in the absence of time calibration.
  // This constant should be used only to preserve backward compatibility, since it doesn't have
  // physical meaning and the value is arbitrary. The value is chosen to be greater than
  // 25 ns plus the absolute value of the time corresponding to the first bunch crossing defined in
  // sTGC_Digitization/python/sTGC_DigitizationConfig.py, which is -100ns as of 2022-05-01.
  // Therefore, after time-tdo conversion, the resulting TDC count is positive.
  static constexpr int s_timeTdoShift{200};
};
}

MsgStream& operator << ( MsgStream& sl, const Muon::STGC_RawData& coll);

std::ostream& operator << ( std::ostream& sl, const Muon::STGC_RawData& coll);
 
#endif