AntiElectronIDMVA6.h

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//--------------------------------------------------------------------------------------------------
// AntiElectronIDMVA6
//
// Helper Class for applying MVA anti-electron discrimination
//
// Authors: F.Colombo, C.Veelken
//--------------------------------------------------------------------------------------------------

#ifndef RECOTAUTAG_RECOTAU_AntiElectronIDMVA6_H
#define RECOTAUTAG_RECOTAU_AntiElectronIDMVA6_H

#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/FileInPath.h"

#include "DataFormats/TauReco/interface/PFTau.h"
#include "DataFormats/TrackReco/interface/Track.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "DataFormats/GsfTrackReco/interface/GsfTrack.h"
#include "DataFormats/GsfTrackReco/interface/GsfTrackFwd.h"
#include "CondFormats/EgammaObjects/interface/GBRForest.h"
#include "DataFormats/PatCandidates/interface/Tau.h"
#include "DataFormats/PatCandidates/interface/Electron.h"
#include "DataFormats/PatCandidates/interface/PackedCandidate.h"
#include "RecoTauTag/RecoTau/interface/PositionAtECalEntranceComputer.h"

#include "TMVA/Tools.h"
#include "TMVA/Reader.h"

#include "DataFormats/Math/interface/deltaR.h"

#include <vector>

class AntiElectronIDMVA6 {
public:
  AntiElectronIDMVA6(const edm::ParameterSet&);
  ~AntiElectronIDMVA6();

  void beginEvent(const edm::Event&, const edm::EventSetup&);

  double MVAValue(Float_t TauPt,
                  Float_t TauEtaAtEcalEntrance,
                  Float_t TauPhi,
                  Float_t TauLeadChargedPFCandPt,
                  Float_t TauLeadChargedPFCandEtaAtEcalEntrance,
                  Float_t TauEmFraction,
                  Float_t TauLeadPFChargedHadrHoP,
                  Float_t TauLeadPFChargedHadrEoP,
                  Float_t TauVisMassIn,
                  Float_t TaudCrackEta,
                  Float_t TaudCrackPhi,
                  Float_t TauHasGsf,
                  Int_t TauSignalPFGammaCandsIn,
                  Int_t TauSignalPFGammaCandsOut,
                  const std::vector<Float_t>& GammasdEtaInSigCone,
                  const std::vector<Float_t>& GammasdPhiInSigCone,
                  const std::vector<Float_t>& GammasPtInSigCone,
                  const std::vector<Float_t>& GammasdEtaOutSigCone,
                  const std::vector<Float_t>& GammasdPhiOutSigCone,
                  const std::vector<Float_t>& GammasPtOutSigCone,
                  Float_t ElecEta,
                  Float_t ElecPhi,
                  Float_t ElecEtotOverPin,
                  Float_t ElecChi2NormGSF,
                  Float_t ElecChi2NormKF,
                  Float_t ElecGSFNumHits,
                  Float_t ElecKFNumHits,
                  Float_t ElecGSFTrackResol,
                  Float_t ElecGSFTracklnPt,
                  Float_t ElecPin,
                  Float_t ElecPout,
                  Float_t ElecEecal,
                  Float_t ElecDeltaEta,
                  Float_t ElecDeltaPhi,
                  Float_t ElecMvaInSigmaEtaEta,
                  Float_t ElecMvaInHadEnergy,
                  Float_t ElecMvaInDeltaEta);

  double MVAValue(Float_t TauPt,
                  Float_t TauEtaAtEcalEntrance,
                  Float_t TauPhi,
                  Float_t TauLeadChargedPFCandPt,
                  Float_t TauLeadChargedPFCandEtaAtEcalEntrance,
                  Float_t TauEmFraction,
                  Float_t TauLeadPFChargedHadrHoP,
                  Float_t TauLeadPFChargedHadrEoP,
                  Float_t TauVisMassIn,
                  Float_t TaudCrackEta,
                  Float_t TaudCrackPhi,
                  Float_t TauHasGsf,
                  Int_t TauSignalPFGammaCandsIn,
                  Int_t TauSignalPFGammaCandsOut,
                  Float_t TauGammaEtaMomIn,
                  Float_t TauGammaEtaMomOut,
                  Float_t TauGammaPhiMomIn,
                  Float_t TauGammaPhiMomOut,
                  Float_t TauGammaEnFracIn,
                  Float_t TauGammaEnFracOut,
                  Float_t ElecEta,
                  Float_t ElecPhi,
                  Float_t ElecEtotOverPin,
                  Float_t ElecChi2NormGSF,
                  Float_t ElecChi2NormKF,
                  Float_t ElecGSFNumHits,
                  Float_t ElecKFNumHits,
                  Float_t ElecGSFTrackResol,
                  Float_t ElecGSFTracklnPt,
                  Float_t ElecPin,
                  Float_t ElecPout,
                  Float_t ElecEecal,
                  Float_t ElecDeltaEta,
                  Float_t ElecDeltaPhi,
                  Float_t ElecMvaInSigmaEtaEta,
                  Float_t ElecMvaInHadEnergy,
                  Float_t ElecMvaInDeltaEta);

  // this function can be called for all categories
  double MVAValue(const reco::PFTau& thePFTau, const reco::GsfElectron& theGsfEle);
  // this function can be called for category 1 only !!
  double MVAValue(const reco::PFTau& thePFTau);

  // this function can be called for all categories
  double MVAValue(const pat::Tau& theTau, const pat::Electron& theEle);
  // this function can be called for category 1 only !!
  double MVAValue(const pat::Tau& theTau);
  // track extrapolation to ECAL entrance (used to re-calculate variables that might not be available on miniAOD)
  bool atECalEntrance(const reco::Candidate* part, math::XYZPoint& pos);

private:
  double dCrackEta(double eta);
  double minimum(double a, double b);
  double dCrackPhi(double phi, double eta);

  bool isInitialized_;
  bool loadMVAfromDB_;
  edm::FileInPath inputFileName_;

  std::string mvaName_NoEleMatch_woGwoGSF_BL_;
  std::string mvaName_NoEleMatch_wGwoGSF_BL_;
  std::string mvaName_woGwGSF_BL_;
  std::string mvaName_wGwGSF_BL_;
  std::string mvaName_NoEleMatch_woGwoGSF_EC_;
  std::string mvaName_NoEleMatch_wGwoGSF_EC_;
  std::string mvaName_woGwGSF_EC_;
  std::string mvaName_wGwGSF_EC_;

  bool usePhiAtEcalEntranceExtrapolation_;

  Float_t* Var_NoEleMatch_woGwoGSF_Barrel_;
  Float_t* Var_NoEleMatch_wGwoGSF_Barrel_;
  Float_t* Var_woGwGSF_Barrel_;
  Float_t* Var_wGwGSF_Barrel_;
  Float_t* Var_NoEleMatch_woGwoGSF_Endcap_;
  Float_t* Var_NoEleMatch_wGwoGSF_Endcap_;
  Float_t* Var_woGwGSF_Endcap_;
  Float_t* Var_wGwGSF_Endcap_;

  const GBRForest* mva_NoEleMatch_woGwoGSF_BL_;
  const GBRForest* mva_NoEleMatch_wGwoGSF_BL_;
  const GBRForest* mva_woGwGSF_BL_;
  const GBRForest* mva_wGwGSF_BL_;
  const GBRForest* mva_NoEleMatch_woGwoGSF_EC_;
  const GBRForest* mva_NoEleMatch_wGwoGSF_EC_;
  const GBRForest* mva_woGwGSF_EC_;
  const GBRForest* mva_wGwGSF_EC_;

  std::vector<TFile*> inputFilesToDelete_;

  PositionAtECalEntranceComputer positionAtECalEntrance_;

  int verbosity_;
};

#endif