AntiElectronIDMVA3.h

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//--------------------------------------------------------------------------------------------------
// $Id $
//
// AntiElectronIDMVA3
//
// Helper Class for applying MVA anti-electron discrimination
//
// Authors: I.Naranjo
//--------------------------------------------------------------------------------------------------

#ifndef RECOTAUTAG_RECOTAU_AntiElectronIDMVA3_H
#define RECOTAUTAG_RECOTAU_AntiElectronIDMVA3_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 "TMVA/Tools.h"
#include "TMVA/Reader.h"

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

#include <vector>

class AntiElectronIDMVA3 
{
  public:

    AntiElectronIDMVA3();
    ~AntiElectronIDMVA3(); 

    void Initialize_from_file(const std::string& methodName,
                  const std::string& oneProngNoEleMatch0Pi0woGSF_BL,
                  const std::string& oneProngNoEleMatch0Pi0wGSF_BL,
                  const std::string& oneProngNoEleMatch1Pi0woGSF_BL,
                  const std::string& oneProngNoEleMatch1Pi0wGSF_BL,
                  const std::string& oneProng0Pi0woGSF_BL,
                  const std::string& oneProng0Pi0wGSF_BL,
                  const std::string& oneProng1Pi0woGSF_BL,
                  const std::string& oneProng1Pi0wGSF_BL,
                  const std::string& oneProngNoEleMatch0Pi0woGSF_EC,
                  const std::string& oneProngNoEleMatch0Pi0wGSF_EC,
                  const std::string& oneProngNoEleMatch1Pi0woGSF_EC,
                  const std::string& oneProngNoEleMatch1Pi0wGSF_EC,
                  const std::string& oneProng0Pi0woGSF_EC,
                  const std::string& oneProng0Pi0wGSF_EC,
                  const std::string& oneProng1Pi0woGSF_EC,
                  const std::string& oneProng1Pi0wGSF_EC);

    void Initialize_from_string(const std::string& methodName,
                const std::string& oneProngNoEleMatch0Pi0woGSF_BL,
                const std::string& oneProngNoEleMatch0Pi0wGSF_BL,
                const std::string& oneProngNoEleMatch1Pi0woGSF_BL,
                const std::string& oneProngNoEleMatch1Pi0wGSF_BL,
                const std::string& oneProng0Pi0woGSF_BL,
                const std::string& oneProng0Pi0wGSF_BL,
                const std::string& oneProng1Pi0woGSF_BL,
                const std::string& oneProng1Pi0wGSF_BL,
                const std::string& oneProngNoEleMatch0Pi0woGSF_EC,
                const std::string& oneProngNoEleMatch0Pi0wGSF_EC,
                const std::string& oneProngNoEleMatch1Pi0woGSF_EC,
                const std::string& oneProngNoEleMatch1Pi0wGSF_EC,
                const std::string& oneProng0Pi0woGSF_EC,
                const std::string& oneProng0Pi0wGSF_EC,
                const std::string& oneProng1Pi0woGSF_EC,
                const std::string& oneProng1Pi0wGSF_EC);

    double MVAValue(Float_t TauEtaAtEcalEntrance,
            Float_t TauPt,
            Float_t TaudCrackEta,
            Float_t TaudCrackPhi,
            Float_t TauEmFraction,
            Float_t TauSignalPFGammaCands,
            Float_t TauLeadPFChargedHadrHoP,
            Float_t TauLeadPFChargedHadrEoP,
            Float_t TauVisMass,
            Float_t TauHadrMva,
            const std::vector<Float_t>& GammasdEta,
            const std::vector<Float_t>& GammasdPhi,
            const std::vector<Float_t>& GammasPt,
            Float_t TauKFNumHits,                  
            Float_t TauGSFNumHits,                 
            Float_t TauGSFChi2,                
            Float_t TauGSFTrackResol,
            Float_t TauGSFTracklnPt,
            Float_t TauGSFTrackEta,
            Float_t TauPhi,
            Float_t TauSignalPFChargedCands,
            Float_t TauHasGsf,
            Float_t ElecEta,
            Float_t ElecPhi,
            Float_t ElecPt,
            Float_t ElecEe,
            Float_t ElecEgamma,
            Float_t ElecPin,
            Float_t ElecPout,
            Float_t ElecFbrem,
            Float_t ElecChi2GSF,
            Float_t ElecGSFNumHits,
            Float_t ElecGSFTrackResol,
            Float_t ElecGSFTracklnPt,
            Float_t ElecGSFTrackEta);

    double MVAValue(Float_t TauEtaAtEcalEntrance,
            Float_t TauPt,
            Float_t TaudCrackEta,
            Float_t TaudCrackPhi,
            Float_t TauEmFraction,
            Float_t TauSignalPFGammaCands,                  
            Float_t TauLeadPFChargedHadrHoP,
            Float_t TauLeadPFChargedHadrEoP,
            Float_t TauVisMass,
            Float_t TauHadrMva,
            Float_t TauGammaEtaMom,
            Float_t TauGammaPhiMom,
            Float_t TauGammaEnFrac,
            Float_t TauKFNumHits,
            Float_t TauGSFNumHits,
            Float_t TauGSFChi2,
            Float_t TauGSFTrackResol,
            Float_t TauGSFTracklnPt,
            Float_t TauGSFTrackEta,
            Float_t TauPhi,
            Float_t TauSignalPFChargedCands,
            Float_t TauHasGsf,
            Float_t ElecEta,
            Float_t ElecPhi,
            Float_t ElecPt,
            Float_t ElecEe,
            Float_t ElecEgamma,
            Float_t ElecPin,
            Float_t ElecPout,
            Float_t ElecFbrem,
            Float_t ElecChi2GSF,
            Float_t ElecGSFNumHits,
            Float_t ElecGSFTrackResol,
            Float_t ElecGSFTracklnPt,
            Float_t ElecGSFTrackEta);

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

 private:

    void bookMVAs();
    double dCrackEta(double eta);
    double minimum(double a,double b);
    double dCrackPhi(double phi, double eta);
    Bool_t isInitialized_;
    std::string methodName_;
    TMVA::Reader* fTMVAReader_[16];

    Float_t GammadEta_;
    Float_t GammadPhi_;
    Float_t GammadPt_;

    Float_t Tau_EtaAtEcalEntrance_;
    Float_t Tau_Pt_;
    Float_t Tau_dCrackEta_;
    Float_t Tau_dCrackPhi_;
    Float_t Tau_EmFraction_; 
    Float_t Tau_NumGammaCands_; 
    Float_t Tau_HadrHoP_; 
    Float_t Tau_HadrEoP_; 
    Float_t Tau_VisMass_; 
    Float_t Tau_HadrMva_; 
    Float_t Tau_GammaEtaMom_;
    Float_t Tau_GammaPhiMom_;
    Float_t Tau_GammaEnFrac_;
    Float_t Tau_GSFChi2_; 
    Float_t Tau_NumHitsVariable_; 
    Float_t Tau_GSFTrackResol_;
    Float_t Tau_GSFTracklnPt_;
    Float_t Tau_GSFTrackEta_;

    Float_t Elec_EtotOverPin_;
    Float_t Elec_EgammaOverPdif_;
    Float_t Elec_Fbrem_;
    Float_t Elec_Chi2GSF_;
    Float_t Elec_GSFNumHits_;
    Float_t Elec_GSFTrackResol_;
    Float_t Elec_GSFTracklnPt_;
    Float_t Elec_GSFTrackEta_;

    int verbosity_;
};

#endif