RecoParam.h

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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.
 
 
#ifndef O2_TRD_RECOPARAM_H
#define O2_TRD_RECOPARAM_H
 
#include <array>
#include "Rtypes.h"
 
namespace o2
{
namespace trd
{
 
class RecoParam
{
 public:
  RecoParam() = default;
  RecoParam(const RecoParam&) = default;
  ~RecoParam() = default;
 
  void setBfield(float bz);
 
  void recalcTrkltCov(const float tilt, const float snp, const float rowSize, std::array<float, 3>& cov) const;
 
  float getRPhiRes(float snp) const { return (mA2 + mC2 * (snp - mB) * (snp - mB)); }
 
  float getZCorrCoeffNRC() const { return mZCorrCoefNRC; }
 
 private:
  // tracklet error parameterization depends on the magnetic field
  float mA2{1.f};            
  float mB{0.f};             
  float mC2{0.f};            
  float mZCorrCoefNRC{1.4f}; 
 
  ClassDefNV(RecoParam, 1);
};
 
} // namespace trd
} // namespace o2
 
#endif // O2_TRD_RECOPARAM_H