FastMultEstConfig.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 ALICEO2_ITS_FASTMULTESTCONF_H_
#define ALICEO2_ITS_FASTMULTESTCONF_H_
 
#include "CommonUtils/ConfigurableParam.h"
#include "CommonUtils/ConfigurableParamHelper.h"
#include "ITSMFTReconstruction/ChipMappingITS.h"
 
namespace o2::its
{
struct FastMultEstConfig : public o2::conf::ConfigurableParamHelper<FastMultEstConfig> {
  static constexpr int NLayers = o2::itsmft::ChipMappingITS::NLayers;
 
  float accCorr[NLayers] = {2.95, 2.46, 2.19, 2.26, 2.06, 3.1, 3.1};
  int firstLayer = 3;                            
  int lastLayer = 6;                             
  float imposeNoisePerChip = 1.e-9 * 1024 * 512; // assumed noise, free parameter if<0
 
  // cuts to reject to low or too high mult events
  int cutMultClusLayer = NLayers - 1; 
  float cutMultClusLow = 0;           
  float cutMultClusHigh = -1;         
  float cutMultVtxLow = -1;           
  float cutMultVtxHigh = -1;          
  float cutRandomFraction = -1.;      
  int randomSeed = 0;                 
  bool preferTriggered = true;        
 
  bool isMultCutRequested() const noexcept { return cutMultClusLow >= 0.f && cutMultClusHigh > 0.f; };
  bool isVtxMultCutRequested() const noexcept { return cutMultVtxLow >= 0.f && cutMultVtxHigh > 0.f; };
  bool isRandCutRequested() const noexcept { return cutRandomFraction >= 0.; }
  bool isRequested() const noexcept { return isMultCutRequested() || isVtxMultCutRequested() || isRandCutRequested(); }
  bool isPassingRandomRejection() const;
  bool isPassingMultCut(float mult) const { return mult >= cutMultClusLow && (mult <= cutMultClusHigh || cutMultClusHigh <= 0.f); }
  bool isPassingVtxMultCut(int mult) const { return mult >= cutMultVtxLow && (mult <= cutMultVtxHigh || cutMultVtxHigh <= 0.f); }
 
  O2ParamDef(FastMultEstConfig, "fastMultConfig");
};
 
} // namespace o2::its
 
#endif