eflowLayerIntegrator.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef EFLOWREC_EFLOWLAYERINTEGRATOR_H
#define EFLOWREC_EFLOWLAYERINTEGRATOR_H
 
/********************************************************************
 
NAME:     eflowLayerIntegrator.h
PACKAGE:  offline/Reconstruction/eflowRec
 
AUTHORS:  M.Hodgkinson, R Duxfield (based on R.Duxfields Root package)
CREATED:  18th Aug, 2005
 
********************************************************************/
 
#include <vector>
#include "eflowCaloRegions.h"
#include "eflowDepthCalculator.h"
#include "eflowUtil.h"
#include "xAODCaloEvent/CaloCluster.h"
 
class EventContext;
class CaloCell;
class eflowRecCluster;
class eflowRecTrack;
class eflowTrackClusterLink;
class eflowTrackCaloPoints;
 
template <int expType> class eflowCellIntegrator;

class eflowLayerIntegrator {
 
 public:
 
  eflowLayerIntegrator(double stdDev, double error, double rMaxOverStdDev, bool isHLLHC = false);
  eflowLayerIntegrator(const eflowLayerIntegrator& originalEflowLayerIntegrator);
  eflowLayerIntegrator&  operator=(const eflowLayerIntegrator& originalEflowLayerIntegrator);
 
  ~eflowLayerIntegrator();
 
  void measureNewClus(const xAOD::CaloCluster* clus, const eflowTrackCaloPoints& trackCalo);
  void measureNewClus(eflowTrackClusterLink* trackClusterLink);
  void measureNewClus(const EventContext& ctx, const std::vector<eflowRecCluster*>& efRecClusters, eflowRecTrack* track);
  void measureNewClus(const std::vector<xAOD::CaloCluster*>& clusVec, const eflowTrackCaloPoints& trackCalo);
 
  eflowFirstIntENUM getFirstIntLayer() const;
 
 private:
  void resetAllClustersIntegralForNewTrack(const eflowTrackCaloPoints& trackCalo);
  void addToAllClustersIntegral(const std::vector<double>& clusterIntegral);
 
  void measureCluster(eflowTrackClusterLink* trackClusterLink);
  void measureCluster(const xAOD::CaloCluster* clus, const eflowTrackCaloPoints& trackCalo);
  void measureCell(const CaloCell* cell, const eflowTrackCaloPoints& trackCalo);
 
  double m_rMax;
 
  /* Defines whether we are in HLLHC (Run4) setup or not (Runs 1,2 or 3) */
  bool m_isHLLHC;
 
  std::vector<double> m_allClustersIntegral;
  std::vector<double> m_singleClusterIntegral;
  
  eflowDepthCalculator m_caloModel;
 
  double m_densityConversion[eflowCalo::nRegions]{};
 
  std::vector<double> m_nUnitCellPerWindowOverCellEtaPhiArea;
 
  std::unique_ptr<eflowCellIntegrator<0> > m_integrator;
  std::unique_ptr<eflowCellIntegrator<1> > m_integratorLookup;
};
 
#endif