PFCandidateEGammaExtra.h

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#ifndef ParticleFlowCandidate_PFCandidateEGammaExtra_h
#define ParticleFlowCandidate_PFCandidateEGammaExtra_h

#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "DataFormats/GsfTrackReco/interface/GsfTrackFwd.h"
#include "DataFormats/Math/interface/LorentzVector.h"
#include "DataFormats/EgammaReco/interface/SuperClusterFwd.h"
#include "DataFormats/EgammaCandidates/interface/ConversionFwd.h"
#include "DataFormats/ParticleFlowReco/interface/PFBlock.h"
#include "DataFormats/ParticleFlowReco/interface/PFBlockFwd.h"
#include "DataFormats/ParticleFlowReco/interface/PFBlockElementTrack.h"
#include "DataFormats/ParticleFlowReco/interface/PFBlockElementCluster.h"

#include <iosfwd>

namespace reco {
  typedef std::pair<reco::PFBlockRef, unsigned> ElementInBlock;
  typedef std::vector<ElementInBlock> ElementsInBlocks;

  class PFCandidateEGammaExtra {
  public:
    enum StatusFlag {
      X = 0,                  // undefined
      Selected,               // selected
      ECALDrivenPreselected,  // ECAL-driven electron pre-selected
      MVASelected,            // Passed the internal particle-flow selection (mva selection)
      Rejected                // Rejected
    };

    // if you had a variable update NMvaVariables
    enum MvaVariable {
      MVA_FIRST = 0,
      MVA_LnPtGsf = MVA_FIRST,
      MVA_EtaGsf,
      MVA_SigmaPtOverPt,
      MVA_Fbrem,
      MVA_Chi2Gsf,
      MVA_NhitsKf,
      MVA_Chi2Kf,
      MVA_EtotOverPin,
      MVA_EseedOverPout,
      MVA_EbremOverDeltaP,
      MVA_DeltaEtaTrackCluster,
      MVA_LogSigmaEtaEta,
      MVA_HOverHE,
      MVA_LateBrem,
      MVA_FirstBrem,
      MVA_MVA,
      MVA_LAST
    };

    enum ElectronVetoes {
      kFailsMVA,
      kKFTracksOnGSFCluster,  // any number of additional tracks on GSF cluster
      kFailsTrackAndHCALIso,  // > 3 kfs on Gsf-cluster, bad h/e
      kKillAdditionalKFs,     // tracks with hcal linkbut good gsf etot/p_in
      kItIsAPion,             // bad H/P_in, H/H+E, and E_tot/P_in
      kCrazyEoverP,           // screwey track linking / weird GSFs
      kTooLargeAngle,         // angle between GSF and RSC centroid too large
      kN_EVETOS
    };

    enum PhotonVetoes {
      kFailsTrackIso,  // the photon fails tracker isolation
      kN_PHOVETOS
    };

  public:
    PFCandidateEGammaExtra();
    PFCandidateEGammaExtra(const GsfTrackRef&);
    ~PFCandidateEGammaExtra() { ; }

    void setGsfTrackRef(const reco::GsfTrackRef& ref);

    void setKfTrackRef(const reco::TrackRef& ref);

    void setGsfElectronClusterRef(const reco::PFBlockRef& blk, const reco::PFBlockElementCluster& ref) {
      eleGsfCluster_ = ElementInBlock(blk, ref.index());
    }

    reco::GsfTrackRef gsfTrackRef() const { return gsfTrackRef_; }

    reco::TrackRef kfTrackRef() const { return kfTrackRef_; }

    const ElementInBlock& gsfElectronClusterRef() const { return eleGsfCluster_; }

    reco::SuperClusterRef superClusterRef() const { return scRef_; }

    reco::SuperClusterRef superClusterPFECALRef() const { return scPFECALRef_; }

    void setSuperClusterRef(reco::SuperClusterRef sc) { scRef_ = sc; }

    void setSuperClusterPFECALRef(reco::SuperClusterRef sc) { scPFECALRef_ = sc; }

    void addSingleLegConvTrackRefMva(const std::pair<reco::TrackRef, float>& trackrefmva);

    const std::vector<std::pair<reco::TrackRef, float> >& singleLegConvTrackRefMva() const { return assoSingleLeg_; }

    void addConversionRef(const reco::ConversionRef& convref);

    reco::ConversionRefVector conversionRef() const { return assoConversionsRef_; }

    void addSingleLegConversionRef(const reco::ConversionRef& convref);

    reco::ConversionRefVector singleLegConversionRef() const { return singleLegConversions_; }

    void setLateBrem(float val);
    void setEarlyBrem(float val);

    void setGsfTrackPout(const math::XYZTLorentzVector& pout);

    void setClusterEnergies(const std::vector<float>& energies);

    void setSigmaEtaEta(float val);

    void setDeltaEta(float val);

    void setHadEnergy(float val);

    void setMVA(float val);

    void setStatus(StatusFlag type, bool status = true);

    bool electronStatus(StatusFlag) const;

    int electronStatus() const { return status_; }

    bool mvaStatus(MvaVariable flag) const;

    const std::vector<float>& mvaVariables() const { return mvaVariables_; }

    float mvaVariable(MvaVariable var) const;

    float hadEnergy() const { return hadEnergy_; }
    float sigmaEtaEta() const { return sigmaEtaEta_; }

    void addExtraNonConvTrack(const reco::PFBlockRef& blk, const reco::PFBlockElementTrack& tkref) {
      if (!tkref.trackType(reco::PFBlockElement::T_FROM_GAMMACONV)) {
        assoNonConvExtraTracks_.push_back(std::make_pair(blk, tkref.index()));
      }
    }
    const ElementsInBlocks& extraNonConvTracks() const { return assoNonConvExtraTracks_; }

  private:
    void setVariable(MvaVariable type, float var);

  private:
    reco::GsfTrackRef gsfTrackRef_;
    reco::TrackRef kfTrackRef_;
    ElementInBlock eleGsfCluster_;

    reco::SuperClusterRef scRef_;

    reco::SuperClusterRef scPFECALRef_;

    std::vector<std::pair<reco::TrackRef, float> > assoSingleLeg_;

    // information for track matching
    ElementsInBlocks assoNonConvExtraTracks_;

    reco::ConversionRefVector assoConversionsRef_;

    //associated single leg conversions
    reco::ConversionRefVector singleLegConversions_;

    std::vector<float> clusterEnergies_;

    std::vector<float> mvaVariables_;

    int mvaStatus_;

    int status_;

    math::XYZTLorentzVector pout_;
    float earlyBrem_;
    float lateBrem_;
    float sigmaEtaEta_;
    float hadEnergy_;
    float deltaEta_;
  };

  std::ostream& operator<<(std::ostream& out, const PFCandidateEGammaExtra& c);

}  // namespace reco
#endif