eflowCaloObject.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef EFLOWREC_EFLOWCALOOBJECT_H
#define EFLOWREC_EFLOWCALOOBJECT_H
/********************************************************************
 
NAME:     eflowCaloObject.h
PACKAGE:  offline/Reconstruction/eflowRec
 
AUTHORS:  D. Tovey
CREATED:  18th November, 2001
 
PURPOSE:  Calorimeter Object data class
 
********************************************************************/
 
#include <vector>
#include <memory>
#include <cmath>
#include "AthLinks/ElementLink.h"
 
class EventContext;
class eflowRecCluster;
class eflowRecTrack;
class eflowTrackClusterLink;
class eflowLayerIntegrator;
class eflowEEtaBinnedParameters;
class PFEnergyPredictorTool;

class eflowCaloObject {
public:
 
  eflowCaloObject()=default;
  ~eflowCaloObject();
  
  void addTrack(eflowRecTrack* track) { m_eflowRecTracks.push_back(track); }
  void addCluster(eflowRecCluster* cluster) { m_eflowRecClusters.push_back(cluster); }
  void addTrackClusterLinks(const std::vector<eflowTrackClusterLink*> &trackClusterLink);
  void addTracks(const std::vector<eflowRecTrack*> &tracks);
  void addClusters(const std::vector<eflowRecCluster*> &clusters);
 
  /* For a specific eflowTrackClusterLink indicate whether or not it has been fully/partially subtracted by setting the energy ratio
  ** of subtracted cluster energy to original cluster enegry (first float). A value other than nan indicates it has been fully or partially subtracted. 
  ** The second float is the actual subtracted energy at the EM scale  */
  void setTrackClusterLinkSubtractionStatus(unsigned int index, const std::pair<float,float>& energyRatio_energyValPair) { m_trackClusterLinks[index].second = energyRatio_energyValPair; }
  
  /* Track accessor methods */
  const eflowRecTrack* efRecTrack(int i) const { return m_eflowRecTracks[i]; }
  eflowRecTrack* efRecTrack(int i)  { return m_eflowRecTracks[i]; }
  unsigned nTracks() const{ return m_eflowRecTracks.size(); }
  void clearTracks() { m_eflowRecTracks.clear(); }
 
  /* Cluster accessor methods */
  const eflowRecCluster* efRecCluster(int i) const { return m_eflowRecClusters[i]; }
  eflowRecCluster* efRecCluster(int i)  { return m_eflowRecClusters[i]; }
  unsigned nClusters() const{ return m_eflowRecClusters.size(); }
  void clearClusters() { m_eflowRecClusters.clear(); }
 
 
  /* Link accessor methods */
  const std::vector<std::pair<eflowTrackClusterLink*,std::pair<float,float> > >& efRecLink() const { return m_trackClusterLinks; }
  void clearLinks() { m_trackClusterLinks.clear(); }
 
  /* Calculate total tracks energy, total tracks energy variance, total cluster energy for subtraction */
  double getExpectedEnergy() const;
  double getExpectedVariance() const;
  double getClusterEnergy() const ;
 
  void simulateShower(const EventContext& ctx, eflowLayerIntegrator *integrator, const eflowEEtaBinnedParameters* binnedParameters,
  const PFEnergyPredictorTool* energyP, bool useLegacyEnergyBinIndexing);
 
private:
 
  void addTrackClusterLink(eflowTrackClusterLink* trackClusterLink) { m_trackClusterLinks.push_back(std::pair(trackClusterLink,std::pair(NAN,NAN))); }
 
 private:
  /* Vector of clusters */
  std::vector<eflowRecCluster*> m_eflowRecClusters;
 
  /* Vector of track-cluster matches - the first float is to be used to indicate the ratio of subtracted cluster energy
  ** to original unsubtracted cluster energy. It is initialiased to nan, and you hence one can use isNan to verify
  ** whether the cluster was subtracted or not (we leave it as nan it not). The second float is the actual amount 
  ** of energy that was subtracted at the EM scale.
  */
  std::vector<std::pair<eflowTrackClusterLink*,std::pair<float,float> > > m_trackClusterLinks;
 
  /* Vector of tracks */
  std::vector<eflowRecTrack*> m_eflowRecTracks;
  
};
 
#include "AthContainers/DataVector.h"
#include "AthenaKernel/CLASS_DEF.h"
 
class eflowCaloObjectContainer : public DataVector< eflowCaloObject >
 
{
 
 public:
 
  void print() { };
 
};
 
CLASS_DEF(eflowCaloObjectContainer, 9802, 1)
 
#endif