MergedElectronDetailsDecorator.h

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/
 
// Tool to decorate the Electrons object with additional information for merged electron ID
// Authors: A.Morley
 
#ifndef DerivationFrameworkHiggs_MergedElectronDetailsDecorator_H
#define DerivationFrameworkHiggs_MergedElectronDetailsDecorator_H
 
#include <string>
#include <vector>
#include <TEnv.h>
#include <TString.h>
#include <TSystem.h>
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/ToolHandle.h"
#include "DerivationFrameworkInterfaces/IAugmentationTool.h"
#include "CaloDetDescr/CaloDetDescrManager.h"
 
#include "xAODTracking/TrackParticleContainer.h"
#include "xAODEgamma/ElectronContainer.h"
#include "xAODCaloEvent/CaloClusterContainer.h"
#include "xAODEventInfo/EventInfo.h" 
 
namespace Trk{
  class V0Tools;
  class IVertexFitter;
}
 
 
class IEMExtrapolationTools;
 
namespace DerivationFramework {
 
  class MergedElectronDetailsDecorator : public AthAlgTool, public IAugmentationTool {
 
  public:
    MergedElectronDetailsDecorator(const std::string& t, const std::string& n, const IInterface* p);
    ~MergedElectronDetailsDecorator();
    StatusCode initialize();
    StatusCode finalize();
    virtual StatusCode addBranches() const;
 
  private:
 
    void fillMatchDetails( std::vector<float>& trkMatchTrk, const  xAOD::TrackParticle* tp, const xAOD::CaloCluster* cluster) const;
    static int  nSiHits( const xAOD::TrackParticle * tp ) ;
    void fillTrackDetails(const xAOD::Electron* el, bool isMC) const;
    void fillVertexDetails(const xAOD::Electron* el) const;
    static void fillClusterDetails(const xAOD::Electron* el) ;
    void fillTruthDetails( std::vector<float>& trkMatchTrk, const xAOD::TrackParticle* tp, const xAOD::CaloCluster* cluster) const;
 
    ToolHandle<IEMExtrapolationTools> m_emExtrapolationTool;
    ToolHandle<Trk::IVertexFitter>    m_VertexFitter;
    ToolHandle<Trk::V0Tools>          m_V0Tools;
 
    float m_minET;
 
    SG::ReadHandleKey<xAOD::EventInfo> m_eventInfoKey{ this,
                                                       "EventInfoKey",
                                                       "EventInfo",
                                                       "" };
    SG::ReadHandleKey<xAOD::ElectronContainer> m_electronKey{ this,
                                                              "ElectronKey",
                                                              "Electrons",
                                                              "" };
    SG::ReadCondHandleKey<CaloDetDescrManager> m_caloMgrKey{
      this,
      "CaloDetDescrManager",
      "CaloDetDescrManager"
    };
 
  }; 
 
} 
 
#endif