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Public Member Functions | Private Attributes

CutBasedElectronID Class Reference

#include <CutBasedElectronID.h>

Inheritance diagram for CutBasedElectronID:
ElectronIDAlgo

List of all members.

Public Member Functions

double cicSelection (const reco::GsfElectron *, const edm::Event &, const edm::EventSetup &)
int classify (const reco::GsfElectron *)
bool compute_cut (double x, double et, double cut_min, double cut_max, bool gtn=false)
 CutBasedElectronID ()
double result (const reco::GsfElectron *, const edm::Event &, const edm::EventSetup &)
double robustSelection (const reco::GsfElectron *, const edm::Event &, const edm::EventSetup &)
void setup (const edm::ParameterSet &conf)
virtual ~CutBasedElectronID ()

Private Attributes

edm::ParameterSet cuts_
bool newCategories_
std::string quality_
std::string type_
std::string version_
edm::InputTag verticesCollection_
bool wantBinning_

Detailed Description

Definition at line 6 of file CutBasedElectronID.h.


Constructor & Destructor Documentation

CutBasedElectronID::CutBasedElectronID ( ) [inline]

Definition at line 10 of file CutBasedElectronID.h.

{};
virtual CutBasedElectronID::~CutBasedElectronID ( ) [inline, virtual]

Definition at line 12 of file CutBasedElectronID.h.

{};

Member Function Documentation

double CutBasedElectronID::cicSelection ( const reco::GsfElectron electron,
const edm::Event e,
const edm::EventSetup es 
)

Definition at line 119 of file CutBasedElectronID.cc.

References newFWLiteAna::bin, classify(), compute_cut(), reco::GsfElectron::convDcot(), reco::GsfElectron::convDist(), align_tpl::cut, cutsInCategoriesElectronIdentification_cfi::cutdcotdist, cutsInCategoriesElectronIdentification_cfi::cutet, cutsInCategoriesElectronIdentification_cfi::cuthoe, cutsInCategoriesElectronIdentificationV06_cfi::cuthoel, cuts_, cutsInCategoriesElectronIdentification_cfi::cutsee, cutsInCategoriesElectronIdentificationV06_cfi::cutseel, reco::GsfElectron::deltaEtaSuperClusterTrackAtVtx(), reco::GsfElectron::deltaPhiSuperClusterTrackAtVtx(), reco::GsfElectron::dr03TkSumPt(), reco::GsfElectron::dr04EcalRecHitSumEt(), reco::GsfElectron::dr04HcalTowerSumEt(), reco::GsfElectron::eSeedClusterOverP(), reco::GsfElectron::eSuperClusterOverP(), eta(), funct::exp(), reco::GsfElectron::fbrem(), edm::Event::getByLabel(), edm::ParameterSet::getParameter(), reco::GsfElectron::gsfTrack(), reco::GsfElectron::hadronicOverEm(), reco::GsfElectron::isEB(), reco::GsfElectron::isEE(), max(), reco::GsfElectron::p4(), funct::pow(), quality_, result(), reco::GsfElectron::sigmaEtaEta(), reco::GsfElectron::sigmaIetaIeta(), funct::sin(), reco::GsfElectron::superCluster(), type_, version_, verticesCollection_, and wantBinning_.

Referenced by result().

                                                                 {

  double scTheta = (2*atan(exp(-electron->superCluster()->eta())));
  double scEt = electron->superCluster()->energy()*sin(scTheta);

  double eta = electron->p4().Eta();
  double eOverP = electron->eSuperClusterOverP();
  double eSeedOverPin = electron->eSeedClusterOverP();
  double fBrem = electron->fbrem();
  double hOverE = electron->hadronicOverEm();
  double sigmaee = electron->sigmaIetaIeta(); //sqrt(vLocCov[0]);
  double deltaPhiIn = electron->deltaPhiSuperClusterTrackAtVtx();
  double deltaEtaIn = electron->deltaEtaSuperClusterTrackAtVtx();

  double ip = 0;
  int mishits = electron->gsfTrack()->trackerExpectedHitsInner().numberOfHits();
  double tkIso = electron->dr03TkSumPt();
  double ecalIso = electron->dr04EcalRecHitSumEt();
  double hcalIso = electron->dr04HcalTowerSumEt();

  if (version_ == "V00") {
    sigmaee = electron->sigmaEtaEta();//sqrt(vCov[0]);
    if (electron->isEE())
      sigmaee = sigmaee - 0.02*(fabs(eta) - 2.3);   //correct sigmaetaeta dependence on eta in endcap
  }

  if (version_ != "V01" or version_ != "V00") {
    edm::Handle<reco::VertexCollection> vtxH;
    e.getByLabel(verticesCollection_, vtxH);
    if (vtxH->size() != 0) {
      reco::VertexRef vtx(vtxH, 0);
      ip = fabs(electron->gsfTrack()->dxy(math::XYZPoint(vtx->x(),vtx->y(),vtx->z())));
    } else
      ip = fabs(electron->gsfTrack()->dxy());

    if (electron->isEB()) {
      sigmaee = electron->sigmaIetaIeta(); //sqrt(vCov[0]);
    }
  }

  std::vector<double> cut;

  int cat = classify(electron);
  int eb;

  if (electron->isEB())
    eb = 0;
  else
    eb = 1;

  // LOOSE and TIGHT Selections
  if (type_ == "classbased" && (version_ == "V01" || version_ == "V00")) {

    if ((eOverP < 0.8) && (fBrem < 0.2))
      return 0.;

    cut = cuts_.getParameter<std::vector<double> >("hOverE");
    if (hOverE > cut[cat+4*eb])
      return 0.;

    cut = cuts_.getParameter<std::vector<double> >("sigmaEtaEta");
    if (sigmaee > cut[cat+4*eb])
      return 0.;

    cut = cuts_.getParameter<std::vector<double> >("deltaPhiIn");
    if (eOverP < 1.5) {
      if (fabs(deltaPhiIn) > cut[cat+4*eb])
        return 0.;
    } else {
      if (fabs(deltaPhiIn) > cut[3+4*eb])
        return 0.;
    }

    cut = cuts_.getParameter<std::vector<double> >("deltaEtaIn");
    if (fabs(deltaEtaIn) > cut[cat+4*eb])
      return 0.;

    cut = cuts_.getParameter<std::vector<double> >("eSeedOverPin");
    if (eSeedOverPin < cut[cat+4*eb])
      return 0.;

    if (quality_ == "tight")
      if (eOverP < 0.9*(1-fBrem))
        return 0.;

    return 1.;
  }

  if (type_ == "classbased" and version_ == "V02") {
    double result = 0.;

    int bin = 0;

    if (scEt < 20.)
      bin = 2;
    else if (scEt > 30.)
      bin = 0;
    else
      bin = 1;

    if (fBrem > 0)
      eSeedOverPin = eSeedOverPin + fBrem;

    if (bin != 2) {
      tkIso = tkIso*pow(40./scEt, 2);
      ecalIso = ecalIso*pow(40./scEt, 2);
      hcalIso = hcalIso*pow(40./scEt, 2);
    }

    std::vector<double> cutTk = cuts_.getParameter<std::vector<double> >("cutisotk");
    std::vector<double> cutEcal = cuts_.getParameter<std::vector<double> >("cutisoecal");
    std::vector<double> cutHcal = cuts_.getParameter<std::vector<double> >("cutisohcal");
    if ((tkIso > cutTk[cat+3*eb+bin*6]) ||
        (ecalIso > cutEcal[cat+3*eb+bin*6]) ||
        (hcalIso > cutHcal[cat+3*eb+bin*6]))
      result = 0.;
    else
      result = 2.;

    if (fBrem > -2) {
      std::vector<double> cuthoe = cuts_.getParameter<std::vector<double> >("cuthoe");
      std::vector<double> cutsee = cuts_.getParameter<std::vector<double> >("cutsee");
      std::vector<double> cutdphi = cuts_.getParameter<std::vector<double> >("cutdphiin");
      std::vector<double> cutdeta = cuts_.getParameter<std::vector<double> >("cutdetain");
      std::vector<double> cuteopin = cuts_.getParameter<std::vector<double> >("cuteseedopcor");
      std::vector<double> cutet = cuts_.getParameter<std::vector<double> >("cutet");
      std::vector<double> cutip = cuts_.getParameter<std::vector<double> >("cutip");
      std::vector<double> cutmishits = cuts_.getParameter<std::vector<double> >("cutmishits");
      if ((hOverE < cuthoe[cat+3*eb+bin*6]) and
          (sigmaee < cutsee[cat+3*eb+bin*6]) and
          (fabs(deltaPhiIn) < cutdphi[cat+3*eb+bin*6]) and
          (fabs(deltaEtaIn) < cutdeta[cat+3*eb+bin*6]) and
          (eSeedOverPin > cuteopin[cat+3*eb+bin*6]) and
          (ip < cutip[cat+3*eb+bin*6]) and
          (mishits < cutmishits[cat+3*eb+bin*6]))
        result = result + 1.;
    }
    return result;
  }

  if (version_ == "V03" or version_ == "V04" or version_ == "V05") {
    double result = 0.;

    int bin = 0;

    if (wantBinning_) {
      if (scEt < 20.)
        bin = 2;
      else if (scEt > 30.)
        bin = 0;
      else
        bin = 1;
    }

    if (fBrem > 0)
      eSeedOverPin = eSeedOverPin + fBrem;

    float iso_sum = tkIso + ecalIso + hcalIso;
    float iso_sum_corrected = iso_sum*pow(40./scEt, 2);

    std::vector<double> cutIsoSum = cuts_.getParameter<std::vector<double> >("cutiso_sum");
    std::vector<double> cutIsoSumCorr = cuts_.getParameter<std::vector<double> >("cutiso_sumoet");
    if ((iso_sum < cutIsoSum[cat+bin*9]) and
        (iso_sum_corrected < cutIsoSumCorr[cat+bin*9]))
      result += 2.;

    if (fBrem > -2) {
      std::vector<double> cuthoe = cuts_.getParameter<std::vector<double> >("cuthoe");
      std::vector<double> cutsee = cuts_.getParameter<std::vector<double> >("cutsee");
      std::vector<double> cutdphi = cuts_.getParameter<std::vector<double> >("cutdphiin");
      std::vector<double> cutdeta = cuts_.getParameter<std::vector<double> >("cutdetain");
      std::vector<double> cuteopin = cuts_.getParameter<std::vector<double> >("cuteseedopcor");
      std::vector<double> cutet = cuts_.getParameter<std::vector<double> >("cutet");

      if ((hOverE < cuthoe[cat+bin*9]) and
          (sigmaee < cutsee[cat+bin*9]) and
          (fabs(deltaPhiIn) < cutdphi[cat+bin*9]) and
          (fabs(deltaEtaIn) < cutdeta[cat+bin*9]) and
          (eSeedOverPin > cuteopin[cat+bin*9]) and
          (scEt > cutet[cat+bin*9]))
        result += 1.;
    }

    std::vector<double> cutip = cuts_.getParameter<std::vector<double> >("cutip_gsf");
    if (ip < cutip[cat+bin*9])
      result += 8;
    
    std::vector<double> cutmishits = cuts_.getParameter<std::vector<double> >("cutfmishits");
    std::vector<double> cutdcotdist = cuts_.getParameter<std::vector<double> >("cutdcotdist");
    
    float dist = (electron->convDist() == -9999.? 9999:electron->convDist());
    float dcot = (electron->convDcot() == -9999.? 9999:electron->convDcot());

    float dcotdistcomb = ((0.04 - std::max(dist, dcot)) > 0?(0.04 - std::max(dist, dcot)):0);

    if ((mishits < cutmishits[cat+bin*9]) and
        (dcotdistcomb < cutdcotdist[cat+bin*9]))
      result += 4;

    return result;
  }

  if (type_ == "classbased" && (version_ == "V06" || version_ == "")) { 
    std::vector<double> cutIsoSum      = cuts_.getParameter<std::vector<double> >("cutiso_sum");
    std::vector<double> cutIsoSumCorr  = cuts_.getParameter<std::vector<double> >("cutiso_sumoet");
    std::vector<double> cuthoe         = cuts_.getParameter<std::vector<double> >("cuthoe");
    std::vector<double> cutsee         = cuts_.getParameter<std::vector<double> >("cutsee");
    std::vector<double> cutdphi        = cuts_.getParameter<std::vector<double> >("cutdphiin");
    std::vector<double> cutdeta        = cuts_.getParameter<std::vector<double> >("cutdetain");
    std::vector<double> cuteopin       = cuts_.getParameter<std::vector<double> >("cuteseedopcor");
    std::vector<double> cutmishits     = cuts_.getParameter<std::vector<double> >("cutfmishits");
    std::vector<double> cutdcotdist    = cuts_.getParameter<std::vector<double> >("cutdcotdist");
    std::vector<double> cutip          = cuts_.getParameter<std::vector<double> >("cutip_gsf");
    std::vector<double> cutIsoSumCorrl = cuts_.getParameter<std::vector<double> >("cutiso_sumoetl");
    std::vector<double> cuthoel        = cuts_.getParameter<std::vector<double> >("cuthoel");
    std::vector<double> cutseel        = cuts_.getParameter<std::vector<double> >("cutseel");
    std::vector<double> cutdphil       = cuts_.getParameter<std::vector<double> >("cutdphiinl");
    std::vector<double> cutdetal       = cuts_.getParameter<std::vector<double> >("cutdetainl");
    std::vector<double> cutipl         = cuts_.getParameter<std::vector<double> >("cutip_gsfl");
    
    int result = 0;
    
    const int ncuts = 10;
    std::vector<bool> cut_results(ncuts, false);
    
    float iso_sum = tkIso + ecalIso + hcalIso;
    float scEta = electron->superCluster()->eta();
    if(fabs(scEta)>1.5) 
      iso_sum += (fabs(scEta)-1.5)*1.09;
    
    float iso_sumoet = iso_sum*(40./scEt);
    
    float eseedopincor = eSeedOverPin + fBrem;
    if(fBrem < 0)
      eseedopincor = eSeedOverPin;

    float dist = (electron->convDist() == -9999.? 9999:electron->convDist());
    float dcot = (electron->convDcot() == -9999.? 9999:electron->convDcot());

    float dcotdistcomb = ((0.04 - std::max(dist, dcot)) > 0?(0.04 - std::max(dist, dcot)):0);

    for (int cut=0; cut<ncuts; cut++) {
      switch (cut) {
      case 0:
        cut_results[cut] = compute_cut(fabs(deltaEtaIn), scEt, cutdetal[cat], cutdeta[cat]);
        break;
      case 1:
        cut_results[cut] = compute_cut(fabs(deltaPhiIn), scEt, cutdphil[cat], cutdphi[cat]);
        break;
      case 2:
        cut_results[cut] = (eseedopincor > cuteopin[cat]);
        break;
      case 3:
        cut_results[cut] = compute_cut(hOverE, scEt, cuthoel[cat], cuthoe[cat]);
        break;
      case 4:
        cut_results[cut] = compute_cut(sigmaee, scEt, cutseel[cat], cutsee[cat]);
        break;
      case 5:
        cut_results[cut] = compute_cut(iso_sumoet, scEt, cutIsoSumCorrl[cat], cutIsoSumCorr[cat]);
        break;
      case 6:
        cut_results[cut] = (iso_sum < cutIsoSum[cat]);
        break;
      case 7:
        cut_results[cut] = compute_cut(fabs(ip), scEt, cutipl[cat], cutip[cat]);
        break;
      case 8:
        cut_results[cut] = (mishits < cutmishits[cat]);
        break;
      case 9:
        cut_results[cut] = (dcotdistcomb < cutdcotdist[cat]);
        break;
      }
    }
    
    // ID part
    if (cut_results[0] & cut_results[1] & cut_results[2] & cut_results[3] & cut_results[4])
      result = result + 1;
    
    // ISO part
    if (cut_results[5] & cut_results[6])
      result = result + 2;
    
    // IP part
    if (cut_results[7])
      result = result + 8;
    
    // Conversion part
    if (cut_results[8] and cut_results[9])
      result = result + 4;
    
    return result;
  }

  return -1.;
}
int CutBasedElectronID::classify ( const reco::GsfElectron electron)

Definition at line 49 of file CutBasedElectronID.cc.

References reco::GsfElectron::ecalDrivenSeed(), reco::GsfElectron::eSuperClusterOverP(), eta(), reco::GsfElectron::fbrem(), reco::GsfElectron::isEB(), reco::GsfElectron::isEE(), newCategories_, reco::GsfElectron::superCluster(), reco::GsfElectron::trackerDrivenSeed(), and version_.

Referenced by cicSelection().

                                                                {

  double eta = fabs(electron->superCluster()->eta());
  double eOverP = electron->eSuperClusterOverP();
  double fBrem = electron->fbrem();

  int cat = -1;
  if (version_ == "V00" || version_ == "V01") {
    if((electron->isEB() && fBrem<0.06) || (electron->isEE() && fBrem<0.1))
      cat=1;
    else if (eOverP < 1.2 && eOverP > 0.8)
      cat=0;
    else
      cat=2;

    return cat;

  } else if (version_ == "V02") {
    if (electron->isEB()) {       // BARREL
      if(fBrem < 0.12)
        cat=1;
      else if (eOverP < 1.2 && eOverP > 0.9)
        cat=0;
      else
        cat=2;
    } else {                     // ENDCAP
      if(fBrem < 0.2)
        cat=1;
      else if (eOverP < 1.22 && eOverP > 0.82)
        cat=0;
      else
        cat=2;
    }

    return cat;

  } else {
    if (electron->isEB()) {
      if ((fBrem >= 0.12) and (eOverP > 0.9) and (eOverP < 1.2))
        cat = 0;
      else if (((eta >  .445   and eta <  .45  ) or
                (eta >  .79    and eta <  .81  ) or
                (eta > 1.137   and eta < 1.157 ) or
                (eta > 1.47285 and eta < 1.4744)) and newCategories_)
        cat = 6;
      else if (electron->trackerDrivenSeed() and !electron->ecalDrivenSeed() and newCategories_)
        cat = 8;
      else if (fBrem < 0.12)
        cat = 1;
      else
        cat = 2;
    } else {
      if ((fBrem >= 0.2) and (eOverP > 0.82) and (eOverP < 1.22))
        cat = 3;
      else if (eta > 1.5 and eta <  1.58 and newCategories_)
        cat = 7;
      else if (electron->trackerDrivenSeed() and !electron->ecalDrivenSeed() and newCategories_)
        cat = 8;
      else if (fBrem < 0.2)
        cat = 4;
      else
        cat = 5;
    }

    return cat;
  }

  return -1;
}
bool CutBasedElectronID::compute_cut ( double  x,
double  et,
double  cut_min,
double  cut_max,
bool  gtn = false 
)

Definition at line 420 of file CutBasedElectronID.cc.

References accept(), and align_tpl::cut.

Referenced by cicSelection().

                                                                                                  {

  float et_min = 10;
  float et_max = 40;

  bool accept = false;
  float cut = cut_max; //  the cut at et=40 GeV

  if(et < et_max) {
    cut = cut_min + (1/et_min - 1/et)*(cut_max - cut_min)/(1/et_min - 1/et_max);
  } 
  
  if(et < et_min) {
    cut = cut_min;
  } 

  if(gtn) {   // useful for e/p cut which is gt
    accept = (x >= cut);
  } 
  else {
    accept = (x <= cut);
  }

  //std::cout << x << " " << cut_min << " " << cut << " " << cut_max << " " << et << " " << accept << std::endl;
  return accept;
}
double CutBasedElectronID::result ( const reco::GsfElectron electron,
const edm::Event e,
const edm::EventSetup es 
) [virtual]

Reimplemented from ElectronIDAlgo.

Definition at line 36 of file CutBasedElectronID.cc.

References cicSelection(), robustSelection(), and type_.

Referenced by cicSelection(), and robustSelection().

                                                           {

  if (type_ == "classbased")
    return cicSelection(electron, e, es);
  else if (type_ == "robust")
    return robustSelection(electron, e, es);

  return 0;

}
double CutBasedElectronID::robustSelection ( const reco::GsfElectron electron,
const edm::Event e,
const edm::EventSetup es 
)

Definition at line 447 of file CutBasedElectronID.cc.

References reco::GsfElectron::convDcot(), reco::GsfElectron::convDist(), align_tpl::cut, cuts_, reco::GsfElectron::deltaEtaSuperClusterTrackAtVtx(), reco::GsfElectron::deltaPhiSuperClusterTrackAtVtx(), reco::GsfElectron::dr03EcalRecHitSumEt(), reco::GsfElectron::dr03HcalDepth1TowerSumEt(), reco::GsfElectron::dr03HcalDepth2TowerSumEt(), reco::GsfElectron::dr03HcalTowerSumEt(), reco::GsfElectron::dr03TkSumPt(), reco::GsfElectron::dr04EcalRecHitSumEt(), reco::GsfElectron::dr04HcalDepth1TowerSumEt(), reco::GsfElectron::dr04HcalDepth2TowerSumEt(), reco::GsfElectron::dr04HcalTowerSumEt(), reco::GsfElectron::e1x5(), reco::GsfElectron::e2x5Max(), reco::GsfElectron::e5x5(), reco::GsfElectron::eSuperClusterOverP(), eta(), funct::exp(), edm::Event::getByLabel(), edm::ParameterSet::getParameter(), reco::GsfElectron::gsfTrack(), reco::GsfElectron::hadronicOverEm(), reco::GsfElectron::isEB(), reco::GsfElectron::isEE(), edm::HandleBase::isValid(), max(), reco::GsfElectron::p4(), reco::BeamSpot::position(), edm::Handle< T >::product(), quality_, result(), reco::GsfElectron::sigmaEtaEta(), reco::GsfElectron::sigmaIetaIeta(), funct::sin(), reco::GsfElectron::superCluster(), type_, version_, and verticesCollection_.

Referenced by result().

                                                                    {

  double scTheta = (2*atan(exp(-electron->superCluster()->eta())));
  double scEt = electron->superCluster()->energy()*sin(scTheta);
  double eta = electron->p4().Eta();
  double eOverP = electron->eSuperClusterOverP();
  double hOverE = electron->hadronicOverEm();
  double sigmaee = electron->sigmaIetaIeta();
  double e25Max = electron->e2x5Max();
  double e15 = electron->e1x5();
  double e55 = electron->e5x5();
  double e25Maxoe55 = e25Max/e55;
  double e15oe55 = e15/e55 ;
  double deltaPhiIn = electron->deltaPhiSuperClusterTrackAtVtx();
  double deltaEtaIn = electron->deltaEtaSuperClusterTrackAtVtx();

  double ip = 0;
  int mishits = electron->gsfTrack()->trackerExpectedHitsInner().numberOfHits();
  double tkIso = electron->dr03TkSumPt();
  double ecalIso = electron->dr04EcalRecHitSumEt();
  double ecalIsoPed = (electron->isEB())?std::max(0.,ecalIso-1.):ecalIso;
  double hcalIso = electron->dr04HcalTowerSumEt();
  double hcalIso1 = electron->dr04HcalDepth1TowerSumEt();
  double hcalIso2 = electron->dr04HcalDepth2TowerSumEt();

  if (version_ == "V00") {
    sigmaee = electron->sigmaEtaEta();
     if (electron->isEE())
       sigmaee = sigmaee - 0.02*(fabs(eta) - 2.3);   //correct sigmaetaeta dependence on eta in endcap
  }

  if (version_ == "V03" or version_ == "V04") {
    edm::Handle<reco::BeamSpot> pBeamSpot;
    // uses the same name for the vertex collection to avoid adding more new names
    e.getByLabel(verticesCollection_, pBeamSpot);
    if (pBeamSpot.isValid()) {
      const reco::BeamSpot *bspot = pBeamSpot.product();
      const math::XYZPoint bspotPosition = bspot->position();
      ip = fabs(electron->gsfTrack()->dxy(bspotPosition));
    } else
      ip = fabs(electron->gsfTrack()->dxy());
  }

  if (version_ == "V04" or version_ == "V05") {
    ecalIso = electron->dr03EcalRecHitSumEt();
    ecalIsoPed = (electron->isEB())?std::max(0.,ecalIso-1.):ecalIso;
    hcalIso = electron->dr03HcalTowerSumEt();
    hcalIso1 = electron->dr03HcalDepth1TowerSumEt();
    hcalIso2 = electron->dr03HcalDepth2TowerSumEt();
  }

  if (version_ == "V05") {
    edm::Handle<reco::VertexCollection> vtxH;
    e.getByLabel(verticesCollection_, vtxH);
    if (vtxH->size() != 0) {
      reco::VertexRef vtx(vtxH, 0);
      ip = fabs(electron->gsfTrack()->dxy(math::XYZPoint(vtx->x(),vtx->y(),vtx->z())));
    } else
      ip = fabs(electron->gsfTrack()->dxy());
  }

  // .....................................................................................
  std::vector<double> cut;
  // ROBUST Selection
  if (type_ == "robust") {

    double result = 0;

    // hoe, sigmaEtaEta, dPhiIn, dEtaIn
    if (electron->isEB())
      cut = cuts_.getParameter<std::vector<double> >("barrel");
    else
      cut = cuts_.getParameter<std::vector<double> >("endcap");
    // check isolations: if only isolation passes result = 2
    if (quality_ == "highenergy") {
      if ((tkIso > cut[6] || hcalIso2 > cut[11]) ||
          (electron->isEB() && ((ecalIso + hcalIso1) > cut[7]+cut[8]*scEt)) ||
          (electron->isEE() && (scEt >= 50.) && ((ecalIso + hcalIso1) > cut[7]+cut[8]*(scEt-50))) ||
          (electron->isEE() && (scEt < 50.) && ((ecalIso + hcalIso1) > cut[9]+cut[10]*(scEt-50))))
        result = 0;
      else
        result = 2;
    } else {
      if ((tkIso > cut[6]) || (ecalIso > cut[7]) || (hcalIso > cut[8]) || (hcalIso1 > cut[9]) || (hcalIso2 > cut[10]) ||
          (tkIso/electron->p4().Pt() > cut[11]) || (ecalIso/electron->p4().Pt() > cut[12]) || (hcalIso/electron->p4().Pt() > cut[13]) ||
          ((tkIso+ecalIso+hcalIso)>cut[14]) || (((tkIso+ecalIso+hcalIso)/ electron->p4().Pt()) > cut[15]) ||
          ((tkIso+ecalIsoPed+hcalIso)>cut[16]) || (((tkIso+ecalIsoPed+hcalIso)/ electron->p4().Pt()) > cut[17])  )
        result = 0.;
      else
        result = 2.;
    }

    if ((hOverE < cut[0]) && (sigmaee < cut[1]) && (fabs(deltaPhiIn) < cut[2]) &&
        (fabs(deltaEtaIn) < cut[3]) && (e25Maxoe55 > cut[4] && e15oe55 > cut[5]) &&
        (sigmaee >= cut[18]) && (eOverP > cut[19] &&  eOverP < cut[20]) )
     { result = result + 1 ; }

    if (ip > cut[21])
      return result;
    if (mishits > cut[22]) // expected missing hits
      return result;
    // positive cut[23] means to demand a valid hit in 1st layer PXB
    if (cut[23] >0 && not (electron->gsfTrack()->hitPattern().hasValidHitInFirstPixelBarrel()))
      return result;

    // cut[24]: Dist cut[25]: dcot
    float dist = fabs(electron->convDist());
    float dcot = fabs(electron->convDcot());
    bool isConversion = (cut[24]>99. || cut[25]>99.)?false:(dist < cut[24] && dcot < cut[25]);
    if (isConversion)
      return result ;
    
    result += 4 ;

    return result ;
   }

  return -1. ;
 }
void CutBasedElectronID::setup ( const edm::ParameterSet conf) [virtual]

Reimplemented from ElectronIDAlgo.

Definition at line 11 of file CutBasedElectronID.cc.

References ElectronIDAlgo::baseSetup(), cuts_, Exception, edm::ParameterSet::getParameter(), newCategories_, quality_, type_, version_, verticesCollection_, and wantBinning_.

                                                          {

  // Get all the parameters
  baseSetup(conf);

  type_ = conf.getParameter<std::string>("electronIDType");
  quality_ = conf.getParameter<std::string>("electronQuality");
  version_ = conf.getParameter<std::string>("electronVersion");
  verticesCollection_ = conf.getParameter<edm::InputTag>("verticesCollection");

  if (type_ == "classbased" and (version_ == "V03" or version_ == "V04" or version_ == "V05" or version_ == "")) {
    wantBinning_ = conf.getParameter<bool>("etBinning");
    newCategories_ = conf.getParameter<bool>("additionalCategories");
  }

  if (type_ == "robust" || type_ == "classbased") {
    std::string stringCut = type_+quality_+"EleIDCuts"+version_;
    cuts_ = conf.getParameter<edm::ParameterSet>(stringCut);
  }
  else {
    throw cms::Exception("Configuration")
      << "Invalid electronType parameter in CutBasedElectronID: must be robust or classbased\n";
  }
}

Member Data Documentation

Definition at line 28 of file CutBasedElectronID.h.

Referenced by cicSelection(), robustSelection(), and setup().

Definition at line 23 of file CutBasedElectronID.h.

Referenced by classify(), and setup().

std::string CutBasedElectronID::quality_ [private]

Definition at line 25 of file CutBasedElectronID.h.

Referenced by cicSelection(), robustSelection(), and setup().

std::string CutBasedElectronID::type_ [private]

Definition at line 24 of file CutBasedElectronID.h.

Referenced by cicSelection(), result(), robustSelection(), and setup().

std::string CutBasedElectronID::version_ [private]

Definition at line 26 of file CutBasedElectronID.h.

Referenced by cicSelection(), classify(), robustSelection(), and setup().

Definition at line 27 of file CutBasedElectronID.h.

Referenced by cicSelection(), robustSelection(), and setup().

Definition at line 22 of file CutBasedElectronID.h.

Referenced by cicSelection(), and setup().