TrackMCHMID.cxx

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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
 
 
#include "ReconstructionDataFormats/TrackMCHMID.h"
 
#include <iostream>
 
#include "CommonConstants/LHCConstants.h"
#include "Framework/Logger.h"
 
namespace o2
{
namespace dataformats
{
 
//__________________________________________________________________________
std::ostream& operator<<(std::ostream& os, const o2::dataformats::TrackMCHMID& track)
{
  os << track.getMCHRef() << " + " << track.getMIDRef() << " = "
     << track.getIR() << " matching chi2/NDF: " << track.getMatchChi2OverNDF();
  return os;
}
 
//__________________________________________________________________________
void TrackMCHMID::print() const
{
  std::cout << *this << std::endl;
}
 
//__________________________________________________________________________
std::pair<TrackMCHMID::Time, bool> TrackMCHMID::getTimeMUS(const InteractionRecord& startIR, uint32_t nOrbits,
                                                           bool printError) const
{
  auto bcDiff = mIR.differenceInBC(startIR);
  float tMean = (bcDiff + 0.5) * o2::constants::lhc::LHCBunchSpacingMUS;
  float tErr = 0.5 * o2::constants::lhc::LHCBunchSpacingMUS;
  bool isInTF = bcDiff >= 0 && bcDiff < nOrbits * o2::constants::lhc::LHCMaxBunches;
  if (printError && !isInTF) {
    LOGP(alarm, "ATTENTION: wrong bunches diff. {} for current IR {} wrt 1st TF orbit {}, source:MCH-MID",
         bcDiff, mIR.asString(), startIR.asString());
  }
  return std::make_pair(Time(tMean, tErr), isInTF);
}
 
} // namespace dataformats
} // namespace o2