GsfElectronAlgo Class Reference

#include <GsfElectronAlgo.h>

Classes
struct	Configuration
struct	CutsConfiguration
struct	EcalRecHitsConfiguration
struct	ElectronData
struct	EventData
class	HeavyObjectCache
struct	IsolationConfiguration
struct	StrategyConfiguration
struct	Tokens

Public Member Functions
reco::GsfElectronCollection	completeElectrons (edm::Event const &event, edm::EventSetup const &eventSetup, const HeavyObjectCache *hoc)
	GsfElectronAlgo (const Tokens &, const StrategyConfiguration &, const CutsConfiguration &cutsCfg, const ElectronHcalHelper::Configuration &hcalCfg, const IsolationConfiguration &, const EcalRecHitsConfiguration &, std::unique_ptr< EcalClusterFunctionBaseClass > &&superClusterErrorFunction, std::unique_ptr< EcalClusterFunctionBaseClass > &&crackCorrectionFunction, const RegressionHelper::Configuration &regCfg, const edm::ParameterSet &tkIsol03Cfg, const edm::ParameterSet &tkIsol04Cfg, const edm::ParameterSet &tkIsolHEEP03Cfg, const edm::ParameterSet &tkIsolHEEP04Cfg, edm::ConsumesCollector &&cc)

Private Member Functions
EventData	beginEvent (edm::Event const &event, CaloGeometry const &caloGeometry, EcalSeverityLevelAlgo const &ecalSeveretyLevelAlgo)
reco::GsfElectron::SaturationInfo	calculateSaturationInfo (const reco::SuperClusterRef &, EventData const &eventData) const
template<bool full5x5>
reco::GsfElectron::ShowerShape	calculateShowerShape (const reco::SuperClusterRef &, ElectronHcalHelper const &hcalHelper, EventData const &eventData, CaloTopology const &topology, CaloGeometry const &geometry) const
void	checkSetup (edm::EventSetup const &eventSetup)
void	createElectron (reco::GsfElectronCollection &electrons, ElectronData &electronData, EventData &eventData, CaloTopology const &topology, CaloGeometry const &geometry, MultiTrajectoryStateTransform const &mtsTransform, double magneticFieldInTesla, const HeavyObjectCache *, egamma::conv::TrackTableView ctfTable, egamma::conv::TrackTableView gsfTable)
void	setCutBasedPreselectionFlag (reco::GsfElectron &ele, const reco::BeamSpot &) const
void	setPixelMatchInfomation (reco::GsfElectron &) const

Private Attributes
const edm::ESGetToken< CaloGeometry, CaloGeometryRecord >	caloGeometryToken_
const edm::ESGetToken< CaloTopology, CaloTopologyRecord >	caloTopologyToken_
const Configuration	cfg_
std::unique_ptr< EcalClusterFunctionBaseClass >	crackCorrectionFunction_
const edm::ESGetToken< EcalSeverityLevelAlgo, EcalSeverityLevelAlgoRcd >	ecalSeveretyLevelAlgoToken_
ElectronHcalHelper	hcalHelper_
const edm::ESGetToken< MagneticField, IdealMagneticFieldRecord >	magneticFieldToken_
RegressionHelper	regHelper_
std::unique_ptr< EcalClusterFunctionBaseClass >	superClusterErrorFunction_
const EleTkIsolFromCands::Configuration	tkIsol03CalcCfg_
const EleTkIsolFromCands::Configuration	tkIsol04CalcCfg_
const EleTkIsolFromCands::Configuration	tkIsolHEEP03CalcCfg_
const EleTkIsolFromCands::Configuration	tkIsolHEEP04CalcCfg_
const edm::ESGetToken< TrackerGeometry, TrackerDigiGeometryRecord >	trackerGeometryToken_

Detailed Description

Definition at line 50 of file GsfElectronAlgo.h.

Constructor & Destructor Documentation

GsfElectronAlgo()

GsfElectronAlgo::GsfElectronAlgo	(	const Tokens &	input,
		const StrategyConfiguration &	strategy,
		const CutsConfiguration &	cutsCfg,
		const ElectronHcalHelper::Configuration &	hcalCfg,
		const IsolationConfiguration &	iso,
		const EcalRecHitsConfiguration &	recHits,
		std::unique_ptr< EcalClusterFunctionBaseClass > &&	superClusterErrorFunction,
		std::unique_ptr< EcalClusterFunctionBaseClass > &&	crackCorrectionFunction,
		const RegressionHelper::Configuration &	regCfg,
		const edm::ParameterSet &	tkIsol03Cfg,
		const edm::ParameterSet &	tkIsol04Cfg,
		const edm::ParameterSet &	tkIsolHEEP03Cfg,
		const edm::ParameterSet &	tkIsolHEEP04Cfg,
		edm::ConsumesCollector &&	cc
	)

Definition at line 367 of file GsfElectronAlgo.cc.

    : cfg_{input, strategy, cuts, iso, recHits},
      tkIsol03CalcCfg_(tkIsol03),
      tkIsol04CalcCfg_(tkIsol04),
      tkIsolHEEP03CalcCfg_(tkIsolHEEP03),
      tkIsolHEEP04CalcCfg_(tkIsolHEEP04),
      magneticFieldToken_{cc.esConsumes()},
      caloGeometryToken_{cc.esConsumes()},
      caloTopologyToken_{cc.esConsumes()},
      trackerGeometryToken_{cc.esConsumes()},
      ecalSeveretyLevelAlgoToken_{cc.esConsumes()},
      hcalHelper_{hcal, std::move(cc)},
      superClusterErrorFunction_{
          std::forward<std::unique_ptr<EcalClusterFunctionBaseClass>>(superClusterErrorFunction)},
      crackCorrectionFunction_{std::forward<std::unique_ptr<EcalClusterFunctionBaseClass>>(crackCorrectionFunction)},
      regHelper_{reg, cfg_.strategy.useEcalRegression, cfg_.strategy.useCombinationRegression, cc}
 
{}

References L1TMuonDQMOffline_cfi::cuts, input, and FastTrackerRecHitMaskProducer_cfi::recHits.

Member Function Documentation

beginEvent()

GsfElectronAlgo::EventData GsfElectronAlgo::beginEvent ( edm::Event const &  event, CaloGeometry const &  caloGeometry, EcalSeverityLevelAlgo const &  ecalSeveretyLevelAlgo  )

private

Definition at line 411 of file GsfElectronAlgo.cc.

                                                                                                           {
  auto const& towers = event.get(cfg_.tokens.hcalTowersTag);
 
  // Isolation algos
  float egHcalIsoConeSizeOutSmall = 0.3, egHcalIsoConeSizeOutLarge = 0.4;
  float egHcalIsoConeSizeIn = cfg_.iso.intRadiusHcal, egHcalIsoPtMin = cfg_.iso.etMinHcal;
  int egHcalDepth1 = 1, egHcalDepth2 = 2;
 
  float egIsoConeSizeOutSmall = 0.3, egIsoConeSizeOutLarge = 0.4, egIsoJurassicWidth = cfg_.iso.jurassicWidth;
  float egIsoPtMinBarrel = cfg_.iso.etMinBarrel, egIsoEMinBarrel = cfg_.iso.eMinBarrel,
        egIsoConeSizeInBarrel = cfg_.iso.intRadiusEcalBarrel;
  float egIsoPtMinEndcap = cfg_.iso.etMinEndcaps, egIsoEMinEndcap = cfg_.iso.eMinEndcaps,
        egIsoConeSizeInEndcap = cfg_.iso.intRadiusEcalEndcaps;
 
  auto barrelRecHits = event.getHandle(cfg_.tokens.barrelRecHitCollection);
  auto endcapRecHits = event.getHandle(cfg_.tokens.endcapRecHitCollection);
 
  auto ctfTracks = event.getHandle(cfg_.tokens.ctfTracks);
 
  EventData eventData{
      .event = &event,
      .beamspot = &event.get(cfg_.tokens.beamSpotTag),
      .coreElectrons = event.getHandle(cfg_.tokens.gsfElectronCores),
      .barrelRecHits = barrelRecHits,
      .endcapRecHits = endcapRecHits,
      .currentCtfTracks = ctfTracks,
      .seeds = event.getHandle(cfg_.tokens.seedsTag),
      .vertices = event.getHandle(cfg_.tokens.vtxCollectionTag),
      .conversions = cfg_.strategy.fillConvVtxFitProb ? event.getHandle(cfg_.tokens.conversions)
                                                      : edm::Handle<reco::ConversionCollection>(),
      .hadDepth1Isolation03 =
          EgammaTowerIsolation(egHcalIsoConeSizeOutSmall, egHcalIsoConeSizeIn, egHcalIsoPtMin, egHcalDepth1, &towers),
      .hadDepth1Isolation04 =
          EgammaTowerIsolation(egHcalIsoConeSizeOutLarge, egHcalIsoConeSizeIn, egHcalIsoPtMin, egHcalDepth1, &towers),
      .hadDepth2Isolation03 =
          EgammaTowerIsolation(egHcalIsoConeSizeOutSmall, egHcalIsoConeSizeIn, egHcalIsoPtMin, egHcalDepth2, &towers),
      .hadDepth2Isolation04 =
          EgammaTowerIsolation(egHcalIsoConeSizeOutLarge, egHcalIsoConeSizeIn, egHcalIsoPtMin, egHcalDepth2, &towers),
      .hadDepth1Isolation03Bc =
          EgammaTowerIsolation(egHcalIsoConeSizeOutSmall, 0., egHcalIsoPtMin, egHcalDepth1, &towers),
      .hadDepth1Isolation04Bc =
          EgammaTowerIsolation(egHcalIsoConeSizeOutLarge, 0., egHcalIsoPtMin, egHcalDepth1, &towers),
      .hadDepth2Isolation03Bc =
          EgammaTowerIsolation(egHcalIsoConeSizeOutSmall, 0., egHcalIsoPtMin, egHcalDepth2, &towers),
      .hadDepth2Isolation04Bc =
          EgammaTowerIsolation(egHcalIsoConeSizeOutLarge, 0., egHcalIsoPtMin, egHcalDepth2, &towers),
      .ecalBarrelIsol03 = EgammaRecHitIsolation(egIsoConeSizeOutSmall,
                                                egIsoConeSizeInBarrel,
                                                egIsoJurassicWidth,
                                                egIsoPtMinBarrel,
                                                egIsoEMinBarrel,
                                                &caloGeometry,
                                                *barrelRecHits,
                                                &ecalSeveretyLevelAlgo,
                                                DetId::Ecal),
      .ecalBarrelIsol04 = EgammaRecHitIsolation(egIsoConeSizeOutLarge,
                                                egIsoConeSizeInBarrel,
                                                egIsoJurassicWidth,
                                                egIsoPtMinBarrel,
                                                egIsoEMinBarrel,
                                                &caloGeometry,
                                                *barrelRecHits,
                                                &ecalSeveretyLevelAlgo,
                                                DetId::Ecal),
      .ecalEndcapIsol03 = EgammaRecHitIsolation(egIsoConeSizeOutSmall,
                                                egIsoConeSizeInEndcap,
                                                egIsoJurassicWidth,
                                                egIsoPtMinEndcap,
                                                egIsoEMinEndcap,
                                                &caloGeometry,
                                                *endcapRecHits,
                                                &ecalSeveretyLevelAlgo,
                                                DetId::Ecal),
      .ecalEndcapIsol04 = EgammaRecHitIsolation(egIsoConeSizeOutLarge,
                                                egIsoConeSizeInEndcap,
                                                egIsoJurassicWidth,
                                                egIsoPtMinEndcap,
                                                egIsoEMinEndcap,
                                                &caloGeometry,
                                                *endcapRecHits,
                                                &ecalSeveretyLevelAlgo,
                                                DetId::Ecal),
      .tkIsol03Calc = EleTkIsolFromCands(tkIsol03CalcCfg_, *ctfTracks),
      .tkIsol04Calc = EleTkIsolFromCands(tkIsol04CalcCfg_, *ctfTracks),
      .tkIsolHEEP03Calc = EleTkIsolFromCands(tkIsolHEEP03CalcCfg_, *ctfTracks),
      .tkIsolHEEP04Calc = EleTkIsolFromCands(tkIsolHEEP04CalcCfg_, *ctfTracks),
      .originalCtfTracks = {},
      .originalGsfTracks = {}};
 
  eventData.ecalBarrelIsol03.setUseNumCrystals(cfg_.iso.useNumCrystals);
  eventData.ecalBarrelIsol03.setVetoClustered(cfg_.iso.vetoClustered);
  eventData.ecalBarrelIsol03.doSeverityChecks(eventData.barrelRecHits.product(),
                                              cfg_.recHits.recHitSeverityToBeExcludedBarrel);
  eventData.ecalBarrelIsol03.doFlagChecks(cfg_.recHits.recHitFlagsToBeExcludedBarrel);
  eventData.ecalBarrelIsol04.setUseNumCrystals(cfg_.iso.useNumCrystals);
  eventData.ecalBarrelIsol04.setVetoClustered(cfg_.iso.vetoClustered);
  eventData.ecalBarrelIsol04.doSeverityChecks(eventData.barrelRecHits.product(),
                                              cfg_.recHits.recHitSeverityToBeExcludedBarrel);
  eventData.ecalBarrelIsol04.doFlagChecks(cfg_.recHits.recHitFlagsToBeExcludedBarrel);
  eventData.ecalEndcapIsol03.setUseNumCrystals(cfg_.iso.useNumCrystals);
  eventData.ecalEndcapIsol03.setVetoClustered(cfg_.iso.vetoClustered);
  eventData.ecalEndcapIsol03.doSeverityChecks(eventData.endcapRecHits.product(),
                                              cfg_.recHits.recHitSeverityToBeExcludedEndcaps);
  eventData.ecalEndcapIsol03.doFlagChecks(cfg_.recHits.recHitFlagsToBeExcludedEndcaps);
  eventData.ecalEndcapIsol04.setUseNumCrystals(cfg_.iso.useNumCrystals);
  eventData.ecalEndcapIsol04.setVetoClustered(cfg_.iso.vetoClustered);
  eventData.ecalEndcapIsol04.doSeverityChecks(eventData.endcapRecHits.product(),
                                              cfg_.recHits.recHitSeverityToBeExcludedEndcaps);
  eventData.ecalEndcapIsol04.doFlagChecks(cfg_.recHits.recHitFlagsToBeExcludedEndcaps);
 
  return eventData;
}

References GsfElectronAlgo::Tokens::barrelRecHitCollection, HLT_FULL_cff::barrelRecHits, GsfElectronAlgo::Tokens::beamSpotTag, cfg_, GsfElectronAlgo::Tokens::conversions, lowPtGsfElectronCores_cff::ctfTracks, GsfElectronAlgo::Tokens::ctfTracks, DetId::Ecal, GsfElectronAlgo::IsolationConfiguration::eMinBarrel, GsfElectronAlgo::IsolationConfiguration::eMinEndcaps, GsfElectronAlgo::Tokens::endcapRecHitCollection, HLT_FULL_cff::endcapRecHits, GsfElectronAlgo::IsolationConfiguration::etMinBarrel, GsfElectronAlgo::IsolationConfiguration::etMinEndcaps, GsfElectronAlgo::IsolationConfiguration::etMinHcal, GsfElectronAlgo::EventData::event, edmPickEvents::event, GsfElectronAlgo::StrategyConfiguration::fillConvVtxFitProb, GsfElectronAlgo::Tokens::gsfElectronCores, GsfElectronAlgo::Tokens::hcalTowersTag, GsfElectronAlgo::IsolationConfiguration::intRadiusEcalBarrel, GsfElectronAlgo::IsolationConfiguration::intRadiusEcalEndcaps, GsfElectronAlgo::IsolationConfiguration::intRadiusHcal, GsfElectronAlgo::Configuration::iso, GsfElectronAlgo::IsolationConfiguration::jurassicWidth, GsfElectronAlgo::EcalRecHitsConfiguration::recHitFlagsToBeExcludedBarrel, GsfElectronAlgo::EcalRecHitsConfiguration::recHitFlagsToBeExcludedEndcaps, GsfElectronAlgo::Configuration::recHits, GsfElectronAlgo::EcalRecHitsConfiguration::recHitSeverityToBeExcludedBarrel, GsfElectronAlgo::EcalRecHitsConfiguration::recHitSeverityToBeExcludedEndcaps, GsfElectronAlgo::Tokens::seedsTag, GsfElectronAlgo::Configuration::strategy, tkIsol03CalcCfg_, tkIsol04CalcCfg_, tkIsolHEEP03CalcCfg_, tkIsolHEEP04CalcCfg_, GsfElectronAlgo::Configuration::tokens, HLT_FULL_cff::towers, GsfElectronAlgo::IsolationConfiguration::useNumCrystals, GsfElectronAlgo::IsolationConfiguration::vetoClustered, and GsfElectronAlgo::Tokens::vtxCollectionTag.

Referenced by completeElectrons().

calculateSaturationInfo()

reco::GsfElectron::SaturationInfo GsfElectronAlgo::calculateSaturationInfo ( const reco::SuperClusterRef &  theClus, EventData const &  eventData  ) const

private

Definition at line 258 of file GsfElectronAlgo.cc.

                                                                                                             {
  reco::GsfElectron::SaturationInfo si;
 
  const reco::CaloCluster& seedCluster = *(theClus->seed());
  DetId seedXtalId = seedCluster.seed();
  int detector = seedXtalId.subdetId();
  const EcalRecHitCollection* ecalRecHits = nullptr;
  if (detector == EcalBarrel)
    ecalRecHits = eventData.barrelRecHits.product();
  else
    ecalRecHits = eventData.endcapRecHits.product();
 
  int nSaturatedXtals = 0;
  bool isSeedSaturated = false;
  for (auto&& hitFractionPair : theClus->hitsAndFractions()) {
    auto&& ecalRecHit = ecalRecHits->find(hitFractionPair.first);
    if (ecalRecHit == ecalRecHits->end())
      continue;
    if (ecalRecHit->checkFlag(EcalRecHit::Flags::kSaturated)) {
      nSaturatedXtals++;
      if (seedXtalId == ecalRecHit->detid())
        isSeedSaturated = true;
    }
  }
  si.nSaturatedXtals = nSaturatedXtals;
  si.isSeedSaturated = isSeedSaturated;
 
  return si;
}

References GsfElectronAlgo::EventData::barrelRecHits, hgcalTestNeighbor_cfi::detector, EcalBarrel, IOMC_cff::ecalRecHit, edm::SortedCollection< T, SORT >::end(), GsfElectronAlgo::EventData::endcapRecHits, edm::SortedCollection< T, SORT >::find(), reco::GsfElectron::SaturationInfo::isSeedSaturated, reco::GsfElectron::SaturationInfo::nSaturatedXtals, reco::CaloCluster::seed(), and DetId::subdetId().

Referenced by createElectron().

calculateShowerShape()

template<bool full5x5>

reco::GsfElectron::ShowerShape GsfElectronAlgo::calculateShowerShape ( const reco::SuperClusterRef &  theClus, ElectronHcalHelper const &  hcalHelper, EventData const &  eventData, CaloTopology const &  topology, CaloGeometry const &  geometry  ) const

private

Definition at line 290 of file GsfElectronAlgo.cc.

                                                                                                         {
  using ClusterTools = EcalClusterToolsT<full5x5>;
  reco::GsfElectron::ShowerShape showerShape;
 
  const reco::CaloCluster& seedCluster = *(theClus->seed());
  // temporary, till CaloCluster->seed() is made available
  DetId seedXtalId = seedCluster.hitsAndFractions()[0].first;
  int detector = seedXtalId.subdetId();
 
  const EcalRecHitCollection* recHits = nullptr;
  std::vector<int> recHitFlagsToBeExcluded;
  std::vector<int> recHitSeverityToBeExcluded;
  if (detector == EcalBarrel) {
    recHits = eventData.barrelRecHits.product();
    recHitFlagsToBeExcluded = cfg_.recHits.recHitFlagsToBeExcludedBarrel;
    recHitSeverityToBeExcluded = cfg_.recHits.recHitSeverityToBeExcludedBarrel;
  } else {
    recHits = eventData.endcapRecHits.product();
    recHitFlagsToBeExcluded = cfg_.recHits.recHitFlagsToBeExcludedEndcaps;
    recHitSeverityToBeExcluded = cfg_.recHits.recHitSeverityToBeExcludedEndcaps;
  }
 
  std::vector<float> covariances = ClusterTools::covariances(seedCluster, recHits, &topology, &geometry);
  std::vector<float> localCovariances = ClusterTools::localCovariances(seedCluster, recHits, &topology);
  showerShape.sigmaEtaEta = sqrt(covariances[0]);
  showerShape.sigmaIetaIeta = sqrt(localCovariances[0]);
  if (!edm::isNotFinite(localCovariances[2]))
    showerShape.sigmaIphiIphi = sqrt(localCovariances[2]);
  showerShape.e1x5 = ClusterTools::e1x5(seedCluster, recHits, &topology);
  showerShape.e2x5Max = ClusterTools::e2x5Max(seedCluster, recHits, &topology);
  showerShape.e5x5 = ClusterTools::e5x5(seedCluster, recHits, &topology);
  showerShape.r9 = ClusterTools::e3x3(seedCluster, recHits, &topology) / theClus->rawEnergy();
 
  const float scale = full5x5 ? showerShape.e5x5 : theClus->energy();
 
  showerShape.hcalDepth1OverEcal = hcalHelper.hcalESumDepth1(*theClus) / theClus->energy();
  showerShape.hcalDepth2OverEcal = hcalHelper.hcalESumDepth2(*theClus) / theClus->energy();
  showerShape.hcalTowersBehindClusters = hcalHelper.hcalTowersBehindClusters(*theClus);
  showerShape.hcalDepth1OverEcalBc =
      hcalHelper.hcalESumDepth1BehindClusters(showerShape.hcalTowersBehindClusters) / scale;
  showerShape.hcalDepth2OverEcalBc =
      hcalHelper.hcalESumDepth2BehindClusters(showerShape.hcalTowersBehindClusters) / scale;
  showerShape.invalidHcal = (showerShape.hcalDepth1OverEcalBc == 0 && showerShape.hcalDepth2OverEcalBc == 0 &&
                             !hcalHelper.hasActiveHcal(*theClus));
 
  // extra shower shapes
  const float see_by_spp = showerShape.sigmaIetaIeta * showerShape.sigmaIphiIphi;
  if (see_by_spp > 0) {
    showerShape.sigmaIetaIphi = localCovariances[1] / see_by_spp;
  } else if (localCovariances[1] > 0) {
    showerShape.sigmaIetaIphi = 1.f;
  } else {
    showerShape.sigmaIetaIphi = -1.f;
  }
  showerShape.eMax = ClusterTools::eMax(seedCluster, recHits);
  showerShape.e2nd = ClusterTools::e2nd(seedCluster, recHits);
  showerShape.eTop = ClusterTools::eTop(seedCluster, recHits, &topology);
  showerShape.eLeft = ClusterTools::eLeft(seedCluster, recHits, &topology);
  showerShape.eRight = ClusterTools::eRight(seedCluster, recHits, &topology);
  showerShape.eBottom = ClusterTools::eBottom(seedCluster, recHits, &topology);
 
  showerShape.e2x5Left = ClusterTools::e2x5Left(seedCluster, recHits, &topology);
  showerShape.e2x5Right = ClusterTools::e2x5Right(seedCluster, recHits, &topology);
  showerShape.e2x5Top = ClusterTools::e2x5Top(seedCluster, recHits, &topology);
  showerShape.e2x5Bottom = ClusterTools::e2x5Bottom(seedCluster, recHits, &topology);
 
  return showerShape;
}

References GsfElectronAlgo::EventData::barrelRecHits, cfg_, hgcalTestNeighbor_cfi::detector, EgHLTOffHistBins_cfi::e1x5, reco::GsfElectron::ShowerShape::e1x5, reco::GsfElectron::ShowerShape::e2nd, reco::GsfElectron::ShowerShape::e2x5Bottom, reco::GsfElectron::ShowerShape::e2x5Left, reco::GsfElectron::ShowerShape::e2x5Max, reco::GsfElectron::ShowerShape::e2x5Right, reco::GsfElectron::ShowerShape::e2x5Top, reco::GsfElectron::ShowerShape::e5x5, reco::GsfElectron::ShowerShape::eBottom, EcalBarrel, reco::GsfElectron::ShowerShape::eLeft, cosmicPhotonAnalyzer_cfi::eMax, reco::GsfElectron::ShowerShape::eMax, GsfElectronAlgo::EventData::endcapRecHits, reco::GsfElectron::ShowerShape::eRight, reco::GsfElectron::ShowerShape::eTop, ElectronHcalHelper::hasActiveHcal(), reco::GsfElectron::ShowerShape::hcalDepth1OverEcal, reco::GsfElectron::ShowerShape::hcalDepth1OverEcalBc, reco::GsfElectron::ShowerShape::hcalDepth2OverEcal, reco::GsfElectron::ShowerShape::hcalDepth2OverEcalBc, ElectronHcalHelper::hcalESumDepth1(), ElectronHcalHelper::hcalESumDepth1BehindClusters(), ElectronHcalHelper::hcalESumDepth2(), ElectronHcalHelper::hcalESumDepth2BehindClusters(), ElectronHcalHelper::hcalTowersBehindClusters(), reco::GsfElectron::ShowerShape::hcalTowersBehindClusters, reco::CaloCluster::hitsAndFractions(), reco::GsfElectron::ShowerShape::invalidHcal, edm::isNotFinite(), reco::GsfElectron::ShowerShape::r9, GsfElectronAlgo::EcalRecHitsConfiguration::recHitFlagsToBeExcludedBarrel, GsfElectronAlgo::EcalRecHitsConfiguration::recHitFlagsToBeExcludedEndcaps, FastTrackerRecHitMaskProducer_cfi::recHits, GsfElectronAlgo::Configuration::recHits, GsfElectronAlgo::EcalRecHitsConfiguration::recHitSeverityToBeExcludedBarrel, GsfElectronAlgo::EcalRecHitsConfiguration::recHitSeverityToBeExcludedEndcaps, HLT_FULL_cff::scale, reco::GsfElectron::ShowerShape::sigmaEtaEta, reco::GsfElectron::ShowerShape::sigmaIetaIeta, reco::GsfElectron::ShowerShape::sigmaIetaIphi, reco::GsfElectron::ShowerShape::sigmaIphiIphi, mathSSE::sqrt(), DetId::subdetId(), and ecaldqm::topology().

checkSetup()

void GsfElectronAlgo::checkSetup ( edm::EventSetup const &  eventSetup )

private

Definition at line 399 of file GsfElectronAlgo.cc.

                                                        {
  if (cfg_.strategy.useEcalRegression || cfg_.strategy.useCombinationRegression)
    regHelper_.checkSetup(es);
 
  if (superClusterErrorFunction_) {
    superClusterErrorFunction_->init(es);
  }
  if (crackCorrectionFunction_) {
    crackCorrectionFunction_->init(es);
  }
}

References cfg_, RegressionHelper::checkSetup(), crackCorrectionFunction_, regHelper_, GsfElectronAlgo::Configuration::strategy, superClusterErrorFunction_, GsfElectronAlgo::StrategyConfiguration::useCombinationRegression, and GsfElectronAlgo::StrategyConfiguration::useEcalRegression.

Referenced by completeElectrons().

completeElectrons()

reco::GsfElectronCollection GsfElectronAlgo::completeElectrons	(	edm::Event const &	event,
		edm::EventSetup const &	eventSetup,
		const HeavyObjectCache *	hoc
	)

Definition at line 526 of file GsfElectronAlgo.cc.

                                                                                                           {
  reco::GsfElectronCollection electrons;
 
  auto const& magneticField = eventSetup.getData(magneticFieldToken_);
  auto const& caloGeometry = eventSetup.getData(caloGeometryToken_);
  auto const& caloTopology = eventSetup.getData(caloTopologyToken_);
  auto const& trackerGeometry = eventSetup.getData(trackerGeometryToken_);
  auto const& ecalSeveretyLevelAlgo = eventSetup.getData(ecalSeveretyLevelAlgoToken_);
 
  // prepare access to hcal data
  hcalHelper_.beginEvent(event, eventSetup);
 
  checkSetup(eventSetup);
  auto eventData = beginEvent(event, caloGeometry, ecalSeveretyLevelAlgo);
  double magneticFieldInTesla = magneticField.inTesla(GlobalPoint(0., 0., 0.)).z();
 
  MultiTrajectoryStateTransform mtsTransform(&trackerGeometry, &magneticField);
  GsfConstraintAtVertex constraintAtVtx(eventSetup);
 
  std::optional<egamma::conv::TrackTable> ctfTrackTable = std::nullopt;
  std::optional<egamma::conv::TrackTable> gsfTrackTable = std::nullopt;
 
  const GsfElectronCoreCollection* coreCollection = eventData.coreElectrons.product();
  for (unsigned int i = 0; i < coreCollection->size(); ++i) {
    // check there is no existing electron with this core
    const GsfElectronCoreRef coreRef = edm::Ref<GsfElectronCoreCollection>(eventData.coreElectrons, i);
 
    // check there is a super-cluster
    if (coreRef->superCluster().isNull())
      continue;
 
    // prepare internal structure for electron specific data
    ElectronData electronData(coreRef, *eventData.beamspot);
 
    // calculate and check Trajectory StatesOnSurface....
    if (!electronData.calculateTSOS(mtsTransform, constraintAtVtx))
      continue;
 
    eventData.retreiveOriginalTrackCollections(electronData.ctfTrackRef, electronData.coreRef->gsfTrack());
 
    if (!eventData.originalCtfTracks.isValid()) {
      eventData.originalCtfTracks = eventData.currentCtfTracks;
    }
 
    if (ctfTrackTable == std::nullopt) {
      ctfTrackTable = egamma::conv::TrackTable(*eventData.originalCtfTracks);
    }
    if (gsfTrackTable == std::nullopt) {
      gsfTrackTable = egamma::conv::TrackTable(*eventData.originalGsfTracks);
    }
 
    createElectron(electrons,
                   electronData,
                   eventData,
                   caloTopology,
                   caloGeometry,
                   mtsTransform,
                   magneticFieldInTesla,
                   hoc,
                   ctfTrackTable.value(),
                   gsfTrackTable.value());
 
  }  // loop over tracks
  return electrons;
}

References ElectronHcalHelper::beginEvent(), beginEvent(), GsfElectronAlgo::ElectronData::calculateTSOS(), caloGeometryToken_, caloTopologyToken_, checkSetup(), GsfElectronAlgo::ElectronData::coreRef, createElectron(), GsfElectronAlgo::ElectronData::ctfTrackRef, ecalSeveretyLevelAlgoToken_, pwdgSkimBPark_cfi::electrons, edm::EventSetup::getData(), hcalHelper_, mps_fire::i, edm::Ref< C, T, F >::isNull(), HLT_FULL_cff::magneticField, magneticFieldToken_, and trackerGeometryToken_.

createElectron()

void GsfElectronAlgo::createElectron ( reco::GsfElectronCollection &  electrons, ElectronData &  electronData, EventData &  eventData, CaloTopology const &  topology, CaloGeometry const &  geometry, MultiTrajectoryStateTransform const &  mtsTransform, double  magneticFieldInTesla, const HeavyObjectCache *  hoc, egamma::conv::TrackTableView  ctfTable, egamma::conv::TrackTableView  gsfTable  )

private

Definition at line 712 of file GsfElectronAlgo.cc.

                                                                        {
  // charge ID
  int eleCharge;
  GsfElectron::ChargeInfo eleChargeInfo;
  electronData.computeCharge(eleCharge, eleChargeInfo);
 
  // electron basic cluster
  CaloClusterPtr elbcRef = electronData.getEleBasicCluster(mtsTransform);
 
  // Seed cluster
  const reco::CaloCluster& seedCluster = *(electronData.superClusterRef->seed());
 
  // seed Xtal
  // temporary, till CaloCluster->seed() is made available
  DetId seedXtalId = seedCluster.hitsAndFractions()[0].first;
 
  electronData.calculateMode();
 
  //====================================================
  // Candidate attributes
  //====================================================
 
  Candidate::LorentzVector momentum = electronData.calculateMomentum();
 
  //====================================================
  // Track-Cluster Matching
  //====================================================
 
  reco::GsfElectron::TrackClusterMatching tcMatching;
  tcMatching.electronCluster = elbcRef;
  tcMatching.eSuperClusterOverP =
      (electronData.vtxMom.mag() > 0) ? (electronData.superClusterRef->energy() / electronData.vtxMom.mag()) : (-1.);
  tcMatching.eSeedClusterOverP =
      (electronData.vtxMom.mag() > 0.) ? (seedCluster.energy() / electronData.vtxMom.mag()) : (-1);
  tcMatching.eSeedClusterOverPout =
      (electronData.seedMom.mag() > 0.) ? (seedCluster.energy() / electronData.seedMom.mag()) : (-1.);
  tcMatching.eEleClusterOverPout =
      (electronData.eleMom.mag() > 0.) ? (elbcRef->energy() / electronData.eleMom.mag()) : (-1.);
 
  EleRelPointPair scAtVtx(
      electronData.superClusterRef->position(), electronData.sclPos, eventData.beamspot->position());
  tcMatching.deltaEtaSuperClusterAtVtx = scAtVtx.dEta();
  tcMatching.deltaPhiSuperClusterAtVtx = scAtVtx.dPhi();
 
  EleRelPointPair seedAtCalo(seedCluster.position(), electronData.seedPos, eventData.beamspot->position());
  tcMatching.deltaEtaSeedClusterAtCalo = seedAtCalo.dEta();
  tcMatching.deltaPhiSeedClusterAtCalo = seedAtCalo.dPhi();
 
  EleRelPointPair ecAtCalo(elbcRef->position(), electronData.elePos, eventData.beamspot->position());
  tcMatching.deltaEtaEleClusterAtCalo = ecAtCalo.dEta();
  tcMatching.deltaPhiEleClusterAtCalo = ecAtCalo.dPhi();
 
  //=======================================================
  // Track extrapolations
  //=======================================================
 
  reco::GsfElectron::TrackExtrapolations tkExtra;
  ele_convert(electronData.vtxPos, tkExtra.positionAtVtx);
  ele_convert(electronData.sclPos, tkExtra.positionAtCalo);
  ele_convert(electronData.vtxMom, tkExtra.momentumAtVtx);
  ele_convert(electronData.sclMom, tkExtra.momentumAtCalo);
  ele_convert(electronData.seedMom, tkExtra.momentumOut);
  ele_convert(electronData.eleMom, tkExtra.momentumAtEleClus);
  ele_convert(electronData.vtxMomWithConstraint, tkExtra.momentumAtVtxWithConstraint);
 
  //=======================================================
  // Closest Ctf Track
  //=======================================================
 
  reco::GsfElectron::ClosestCtfTrack ctfInfo;
  ctfInfo.ctfTrack = electronData.ctfTrackRef;
  ctfInfo.shFracInnerHits = electronData.shFracInnerHits;
 
  //====================================================
  // FiducialFlags, using nextToBoundary definition of gaps
  //====================================================
 
  reco::GsfElectron::FiducialFlags fiducialFlags;
  int region = seedXtalId.det();
  int detector = seedXtalId.subdetId();
  double feta = std::abs(electronData.superClusterRef->position().eta());
  if (detector == EcalBarrel) {
    fiducialFlags.isEB = true;
    EBDetId ebdetid(seedXtalId);
    if (EBDetId::isNextToEtaBoundary(ebdetid)) {
      if (ebdetid.ietaAbs() == 85) {
        fiducialFlags.isEBEEGap = true;
      } else {
        fiducialFlags.isEBEtaGap = true;
      }
    }
    if (EBDetId::isNextToPhiBoundary(ebdetid)) {
      fiducialFlags.isEBPhiGap = true;
    }
  } else if (detector == EcalEndcap) {
    fiducialFlags.isEE = true;
    EEDetId eedetid(seedXtalId);
    if (EEDetId::isNextToRingBoundary(eedetid)) {
      if (std::abs(feta) < 2.) {
        fiducialFlags.isEBEEGap = true;
      } else {
        fiducialFlags.isEERingGap = true;
      }
    }
    if (EEDetId::isNextToDBoundary(eedetid)) {
      fiducialFlags.isEEDeeGap = true;
    }
  } else if (EcalTools::isHGCalDet((DetId::Detector)region)) {
    fiducialFlags.isEE = true;
    //HGCalDetId eeDetid(seedXtalId);
    // fill in fiducial information when we know how to use it...
  } else {
    throw cms::Exception("GsfElectronAlgo|UnknownXtalRegion")
        << "createElectron(): do not know if it is a barrel or endcap seed cluster !!!!";
  }
 
  //====================================================
  // SaturationInfo
  //====================================================
 
  auto saturationInfo = calculateSaturationInfo(electronData.superClusterRef, eventData);
 
  //====================================================
  // ShowerShape
  //====================================================
 
  reco::GsfElectron::ShowerShape showerShape;
  reco::GsfElectron::ShowerShape full5x5_showerShape;
  if (!EcalTools::isHGCalDet((DetId::Detector)region)) {
    showerShape = calculateShowerShape<false>(electronData.superClusterRef, hcalHelper_, eventData, topology, geometry);
    full5x5_showerShape =
        calculateShowerShape<true>(electronData.superClusterRef, hcalHelper_, eventData, topology, geometry);
  }
 
  //====================================================
  // ConversionRejection
  //====================================================
 
  edm::Handle<reco::TrackCollection> ctfTracks = eventData.originalCtfTracks;
  if (!ctfTracks.isValid()) {
    ctfTracks = eventData.currentCtfTracks;
  }
 
  {
    //get the references to the gsf and ctf tracks that are made
    //by the electron
    const reco::TrackRef el_ctftrack = electronData.coreRef->ctfTrack();
    const reco::GsfTrackRef& el_gsftrack = electronData.coreRef->gsfTrack();
 
    //protect against the wrong collection being passed to the function
    if (el_ctftrack.isNonnull() && el_ctftrack.id() != ctfTracks.id())
      throw cms::Exception("ConversionFinderError")
          << "ProductID of ctf track collection does not match ProductID of electron's CTF track! \n";
    if (el_gsftrack.isNonnull() && el_gsftrack.id() != eventData.originalGsfTracks.id())
      throw cms::Exception("ConversionFinderError")
          << "ProductID of gsf track collection does not match ProductID of electron's GSF track! \n";
  }
 
  // values of conversionInfo.flag
  // -9999 : Partner track was not found
  // 0     : Partner track found in the CTF collection using
  // 1     : Partner track found in the CTF collection using
  // 2     : Partner track found in the GSF collection using
  // 3     : Partner track found in the GSF collection using the electron's GSF track
  auto conversionInfo = egamma::conv::findConversion(*electronData.coreRef, ctfTable, gsfTable, magneticFieldInTesla);
 
  reco::GsfElectron::ConversionRejection conversionVars;
  conversionVars.flags = conversionInfo.flag;
  conversionVars.dist = conversionInfo.dist;
  conversionVars.dcot = conversionInfo.dcot;
  conversionVars.radius = conversionInfo.radiusOfConversion;
  if (cfg_.strategy.fillConvVtxFitProb) {
    //this is an intentionally bugged version which ignores the GsfTrack
    //this is a bug which was introduced in reduced e/gamma where the GsfTrack gets
    //relinked to a new collection which means it can no longer match the conversion
    //as it matches based on product/id
    //we keep this defination for the MVAs
    const auto matchedConv = ConversionTools::matchedConversion(
        electronData.coreRef->ctfTrack(), *eventData.conversions, eventData.beamspot->position(), 2.0, 1e-6, 0);
    conversionVars.vtxFitProb = ConversionTools::getVtxFitProb(matchedConv);
  }
  if (conversionInfo.conversionPartnerCtfTkIdx) {
    conversionVars.partner = TrackBaseRef(reco::TrackRef(ctfTracks, conversionInfo.conversionPartnerCtfTkIdx.value()));
  } else if (conversionInfo.conversionPartnerGsfTkIdx) {
    conversionVars.partner =
        TrackBaseRef(reco::GsfTrackRef(eventData.originalGsfTracks, conversionInfo.conversionPartnerGsfTkIdx.value()));
  }
 
  //====================================================
  // Go !
  //====================================================
 
  electrons.emplace_back(eleCharge,
                         eleChargeInfo,
                         electronData.coreRef,
                         tcMatching,
                         tkExtra,
                         ctfInfo,
                         fiducialFlags,
                         showerShape,
                         full5x5_showerShape,
                         conversionVars,
                         saturationInfo);
  auto& ele = electrons.back();
  // Will be overwritten later in the case of the regression
  ele.setCorrectedEcalEnergyError(superClusterErrorFunction_->getValue(*(ele.superCluster()), 0));
  ele.setP4(GsfElectron::P4_FROM_SUPER_CLUSTER, momentum, 0, true);
 
  //====================================================
  // brems fractions
  //====================================================
 
  if (electronData.innMom.mag() > 0.) {
    ele.setTrackFbrem((electronData.innMom.mag() - electronData.outMom.mag()) / electronData.innMom.mag());
  }
 
  // the supercluster is the refined one The seed is not necessarily the first cluster
  // hence the use of the electronCluster
  SuperClusterRef sc = ele.superCluster();
  if (!(sc.isNull())) {
    CaloClusterPtr cl = ele.electronCluster();
    if (sc->clustersSize() > 1) {
      float pf_fbrem = (sc->energy() - cl->energy()) / sc->energy();
      ele.setSuperClusterFbrem(pf_fbrem);
    } else {
      ele.setSuperClusterFbrem(0);
    }
  }
 
  //====================================================
  // classification and corrections
  //====================================================
  // classification
  const auto elClass = egamma::classifyElectron(ele);
  ele.setClassification(elClass);
 
  bool unexpectedClassification = elClass == GsfElectron::UNKNOWN || elClass > GsfElectron::GAP;
  if (unexpectedClassification) {
    edm::LogWarning("GsfElectronAlgo") << "unexpected classification";
  }
 
  // ecal energy
  if (cfg_.strategy.useEcalRegression)  // new
  {
    regHelper_.applyEcalRegression(ele, *eventData.vertices, *eventData.barrelRecHits, *eventData.endcapRecHits);
  } else  // original implementation
  {
    if (!EcalTools::isHGCalDet((DetId::Detector)region)) {
      if (ele.core()->ecalDrivenSeed()) {
        if (cfg_.strategy.ecalDrivenEcalEnergyFromClassBasedParameterization && !unexpectedClassification) {
          if (ele.isEcalEnergyCorrected()) {
            edm::LogWarning("ElectronEnergyCorrector::classBasedElectronEnergy") << "already done";
          } else {
            ele.setCorrectedEcalEnergy(
                egamma::classBasedElectronEnergy(ele, *eventData.beamspot, *crackCorrectionFunction_));
          }
        }
        if (cfg_.strategy.ecalDrivenEcalErrorFromClassBasedParameterization) {
          ele.setCorrectedEcalEnergyError(egamma::classBasedElectronEnergyUncertainty(ele));
        }
      } else {
        if (cfg_.strategy.pureTrackerDrivenEcalErrorFromSimpleParameterization) {
          ele.setCorrectedEcalEnergyError(egamma::simpleElectronEnergyUncertainty(ele));
        }
      }
    }
  }
 
  // momentum
  // Keep the default correction running first. The track momentum error is computed in there
  if (cfg_.strategy.useDefaultEnergyCorrection && ele.core()->ecalDrivenSeed() && !unexpectedClassification) {
    if (ele.p4Error(reco::GsfElectron::P4_COMBINATION) != 999.) {
      edm::LogWarning("ElectronMomentumCorrector::correct") << "already done";
    } else {
      auto p = egamma::correctElectronMomentum(ele, electronData.vtxTSOS);
      ele.correctMomentum(p.momentum, p.trackError, p.finalError);
    }
  }
  if (cfg_.strategy.useCombinationRegression)  // new
  {
    regHelper_.applyCombinationRegression(ele);
  }
 
  //====================================================
  // now isolation variables
  //====================================================
  reco::GsfElectron::IsolationVariables dr03, dr04;
  dr03.tkSumPt = eventData.tkIsol03Calc(*ele.gsfTrack()).ptSum;
  dr04.tkSumPt = eventData.tkIsol04Calc(*ele.gsfTrack()).ptSum;
  dr03.tkSumPtHEEP = eventData.tkIsolHEEP03Calc(*ele.gsfTrack()).ptSum;
  dr04.tkSumPtHEEP = eventData.tkIsolHEEP04Calc(*ele.gsfTrack()).ptSum;
 
  if (!EcalTools::isHGCalDet((DetId::Detector)region)) {
    dr03.hcalDepth1TowerSumEt = eventData.hadDepth1Isolation03.getTowerEtSum(&ele);
    dr03.hcalDepth2TowerSumEt = eventData.hadDepth2Isolation03.getTowerEtSum(&ele);
    dr03.hcalDepth1TowerSumEtBc =
        eventData.hadDepth1Isolation03Bc.getTowerEtSum(&ele, &(showerShape.hcalTowersBehindClusters));
    dr03.hcalDepth2TowerSumEtBc =
        eventData.hadDepth2Isolation03Bc.getTowerEtSum(&ele, &(showerShape.hcalTowersBehindClusters));
    dr03.ecalRecHitSumEt = eventData.ecalBarrelIsol03.getEtSum(&ele);
    dr03.ecalRecHitSumEt += eventData.ecalEndcapIsol03.getEtSum(&ele);
    dr04.hcalDepth1TowerSumEt = eventData.hadDepth1Isolation04.getTowerEtSum(&ele);
    dr04.hcalDepth2TowerSumEt = eventData.hadDepth2Isolation04.getTowerEtSum(&ele);
    dr04.hcalDepth1TowerSumEtBc =
        eventData.hadDepth1Isolation04Bc.getTowerEtSum(&ele, &(showerShape.hcalTowersBehindClusters));
    dr04.hcalDepth2TowerSumEtBc =
        eventData.hadDepth2Isolation04Bc.getTowerEtSum(&ele, &(showerShape.hcalTowersBehindClusters));
    dr04.ecalRecHitSumEt = eventData.ecalBarrelIsol04.getEtSum(&ele);
    dr04.ecalRecHitSumEt += eventData.ecalEndcapIsol04.getEtSum(&ele);
  }
  ele.setIsolation03(dr03);
  ele.setIsolation04(dr04);
 
  //====================================================
  // preselection flag
  //====================================================
 
  setCutBasedPreselectionFlag(ele, *eventData.beamspot);
  //setting mva flag, currently GedGsfElectron and GsfElectron pre-selection flags have desynced
  //this is for GedGsfElectrons, GsfElectrons (ie old pre 7X std reco) resets this later on
  //in the function "addPfInfo"
  //yes this is awful, we'll fix it once we work out how to...
  float mvaValue = hoc->sElectronMVAEstimator->mva(ele, *(eventData.vertices));
  ele.setPassMvaPreselection(mvaValue > cfg_.strategy.PreSelectMVA);
 
  //====================================================
  // Pixel match variables
  //====================================================
  setPixelMatchInfomation(ele);
 
  LogTrace("GsfElectronAlgo") << "Constructed new electron with energy  " << ele.p4().e();
}

References funct::abs(), RegressionHelper::applyCombinationRegression(), RegressionHelper::applyEcalRegression(), GsfElectronAlgo::EventData::barrelRecHits, GsfElectronAlgo::EventData::beamspot, GsfElectronAlgo::ElectronData::calculateMode(), GsfElectronAlgo::ElectronData::calculateMomentum(), calculateSaturationInfo(), cfg_, GetRecoTauVFromDQM_MC_cff::cl, egamma::classBasedElectronEnergy(), egamma::classBasedElectronEnergyUncertainty(), egamma::classifyElectron(), GsfElectronAlgo::ElectronData::computeCharge(), GsfElectronAlgo::EventData::conversions, GsfElectronAlgo::ElectronData::coreRef, egamma::correctElectronMomentum(), crackCorrectionFunction_, reco::GsfElectron::ClosestCtfTrack::ctfTrack, GsfElectronAlgo::ElectronData::ctfTrackRef, lowPtGsfElectronCores_cff::ctfTracks, GsfElectronAlgo::EventData::currentCtfTracks, reco::GsfElectron::ConversionRejection::dcot, reco::GsfElectron::TrackClusterMatching::deltaEtaEleClusterAtCalo, reco::GsfElectron::TrackClusterMatching::deltaEtaSeedClusterAtCalo, reco::GsfElectron::TrackClusterMatching::deltaEtaSuperClusterAtVtx, reco::GsfElectron::TrackClusterMatching::deltaPhiEleClusterAtCalo, reco::GsfElectron::TrackClusterMatching::deltaPhiSeedClusterAtCalo, reco::GsfElectron::TrackClusterMatching::deltaPhiSuperClusterAtVtx, DetId::det(), hgcalTestNeighbor_cfi::detector, reco::GsfElectron::ConversionRejection::dist, MillePedeFileConverter_cfg::e, EcalBarrel, GsfElectronAlgo::EventData::ecalBarrelIsol03, GsfElectronAlgo::EventData::ecalBarrelIsol04, GsfElectronAlgo::StrategyConfiguration::ecalDrivenEcalEnergyFromClassBasedParameterization, GsfElectronAlgo::StrategyConfiguration::ecalDrivenEcalErrorFromClassBasedParameterization, EcalEndcap, GsfElectronAlgo::EventData::ecalEndcapIsol03, GsfElectronAlgo::EventData::ecalEndcapIsol04, reco::GsfElectron::IsolationVariables::ecalRecHitSumEt, reco::GsfElectron::TrackClusterMatching::eEleClusterOverPout, ele_convert(), reco::GsfElectron::TrackClusterMatching::electronCluster, pwdgSkimBPark_cfi::electrons, GsfElectronAlgo::ElectronData::eleMom, GsfElectronAlgo::ElectronData::elePos, GsfElectronAlgo::EventData::endcapRecHits, reco::CaloCluster::energy(), reco::GsfElectron::TrackClusterMatching::eSeedClusterOverP, reco::GsfElectron::TrackClusterMatching::eSeedClusterOverPout, reco::GsfElectron::TrackClusterMatching::eSuperClusterOverP, Exception, JetMETHLTOfflineSource_cfi::feta, GsfElectronAlgo::StrategyConfiguration::fillConvVtxFitProb, egamma::conv::findConversion(), reco::GsfElectron::ConversionRejection::flags, GsfElectronAlgo::ElectronData::getEleBasicCluster(), EgammaRecHitIsolation::getEtSum(), EgammaTowerIsolation::getTowerEtSum(), ConversionTools::getVtxFitProb(), GsfElectronAlgo::EventData::hadDepth1Isolation03, GsfElectronAlgo::EventData::hadDepth1Isolation03Bc, GsfElectronAlgo::EventData::hadDepth1Isolation04, GsfElectronAlgo::EventData::hadDepth1Isolation04Bc, GsfElectronAlgo::EventData::hadDepth2Isolation03, GsfElectronAlgo::EventData::hadDepth2Isolation03Bc, GsfElectronAlgo::EventData::hadDepth2Isolation04, GsfElectronAlgo::EventData::hadDepth2Isolation04Bc, reco::GsfElectron::IsolationVariables::hcalDepth1TowerSumEt, reco::GsfElectron::IsolationVariables::hcalDepth1TowerSumEtBc, reco::GsfElectron::IsolationVariables::hcalDepth2TowerSumEt, reco::GsfElectron::IsolationVariables::hcalDepth2TowerSumEtBc, hcalHelper_, reco::GsfElectron::ShowerShape::hcalTowersBehindClusters, reco::CaloCluster::hitsAndFractions(), edm::HandleBase::id(), edm::Ref< C, T, F >::id(), EBDetId::ietaAbs(), GsfElectronAlgo::ElectronData::innMom, reco::GsfElectron::FiducialFlags::isEB, reco::GsfElectron::FiducialFlags::isEBEEGap, reco::GsfElectron::FiducialFlags::isEBEtaGap, reco::GsfElectron::FiducialFlags::isEBPhiGap, reco::GsfElectron::FiducialFlags::isEE, reco::GsfElectron::FiducialFlags::isEEDeeGap, reco::GsfElectron::FiducialFlags::isEERingGap, EcalTools::isHGCalDet(), EEDetId::isNextToDBoundary(), EBDetId::isNextToEtaBoundary(), EBDetId::isNextToPhiBoundary(), EEDetId::isNextToRingBoundary(), edm::Ref< C, T, F >::isNonnull(), edm::Ref< C, T, F >::isNull(), LogTrace, PV3DBase< T, PVType, FrameType >::mag(), ConversionTools::matchedConversion(), reco::GsfElectron::TrackExtrapolations::momentumAtCalo, reco::GsfElectron::TrackExtrapolations::momentumAtEleClus, reco::GsfElectron::TrackExtrapolations::momentumAtVtx, reco::GsfElectron::TrackExtrapolations::momentumAtVtxWithConstraint, reco::GsfElectron::TrackExtrapolations::momentumOut, GsfElectronAlgo::EventData::originalCtfTracks, GsfElectronAlgo::EventData::originalGsfTracks, GsfElectronAlgo::ElectronData::outMom, AlCaHLTBitMon_ParallelJobs::p, reco::GsfElectron::P4_COMBINATION, reco::GsfElectron::ConversionRejection::partner, reco::BeamSpot::position(), reco::CaloCluster::position(), reco::GsfElectron::TrackExtrapolations::positionAtCalo, reco::GsfElectron::TrackExtrapolations::positionAtVtx, GsfElectronAlgo::StrategyConfiguration::PreSelectMVA, GsfElectronAlgo::StrategyConfiguration::pureTrackerDrivenEcalErrorFromSimpleParameterization, reco::GsfElectron::ConversionRejection::radius, regHelper_, HLT_FULL_cff::region, GsfElectronAlgo::ElectronData::sclMom, GsfElectronAlgo::ElectronData::sclPos, GsfElectronAlgo::ElectronData::seedMom, GsfElectronAlgo::ElectronData::seedPos, GsfElectronAlgo::HeavyObjectCache::sElectronMVAEstimator, setCutBasedPreselectionFlag(), setPixelMatchInfomation(), GsfElectronAlgo::ElectronData::shFracInnerHits, reco::GsfElectron::ClosestCtfTrack::shFracInnerHits, egamma::simpleElectronEnergyUncertainty(), GsfElectronAlgo::Configuration::strategy, DetId::subdetId(), superClusterErrorFunction_, GsfElectronAlgo::ElectronData::superClusterRef, GsfElectronAlgo::EventData::tkIsol03Calc, GsfElectronAlgo::EventData::tkIsol04Calc, GsfElectronAlgo::EventData::tkIsolHEEP03Calc, GsfElectronAlgo::EventData::tkIsolHEEP04Calc, reco::GsfElectron::IsolationVariables::tkSumPt, reco::GsfElectron::IsolationVariables::tkSumPtHEEP, ecaldqm::topology(), SiStripSubdetector::UNKNOWN, GsfElectronAlgo::StrategyConfiguration::useCombinationRegression, GsfElectronAlgo::StrategyConfiguration::useDefaultEnergyCorrection, GsfElectronAlgo::StrategyConfiguration::useEcalRegression, GsfElectronAlgo::EventData::vertices, reco::GsfElectron::ConversionRejection::vtxFitProb, GsfElectronAlgo::ElectronData::vtxMom, GsfElectronAlgo::ElectronData::vtxMomWithConstraint, GsfElectronAlgo::ElectronData::vtxPos, and GsfElectronAlgo::ElectronData::vtxTSOS.

Referenced by completeElectrons().

setCutBasedPreselectionFlag()

void GsfElectronAlgo::setCutBasedPreselectionFlag ( reco::GsfElectron &  ele, const reco::BeamSpot &  bs  ) const

private

Definition at line 594 of file GsfElectronAlgo.cc.

                                                                                                {
  // default value
  ele.setPassCutBasedPreselection(false);
 
  // kind of seeding
  bool eg = ele.core()->ecalDrivenSeed();
  bool pf = ele.core()->trackerDrivenSeed() && !ele.core()->ecalDrivenSeed();
  if (eg && pf) {
    throw cms::Exception("GsfElectronAlgo|BothEcalAndPureTrackerDriven")
        << "An electron cannot be both egamma and purely pflow";
  }
  if ((!eg) && (!pf)) {
    throw cms::Exception("GsfElectronAlgo|NeitherEcalNorPureTrackerDriven")
        << "An electron cannot be neither egamma nor purely pflow";
  }
 
  CutsConfiguration const& cfg = cfg_.cuts;
 
  // Et cut
  double etaValue = EleRelPoint(ele.superCluster()->position(), bs.position()).eta();
  double etValue = ele.superCluster()->energy() / cosh(etaValue);
  LogTrace("GsfElectronAlgo") << "Et : " << etValue;
  if (ele.isEB() && (etValue < cfg.minSCEtBarrel))
    return;
  if (ele.isEE() && (etValue < cfg.minSCEtEndcaps))
    return;
  LogTrace("GsfElectronAlgo") << "Et criteria are satisfied";
 
  // E/p cut
  double eopValue = ele.eSuperClusterOverP();
  LogTrace("GsfElectronAlgo") << "E/p : " << eopValue;
  if (ele.isEB() && (eopValue > cfg.maxEOverPBarrel))
    return;
  if (ele.isEE() && (eopValue > cfg.maxEOverPEndcaps))
    return;
  if (ele.isEB() && (eopValue < cfg.minEOverPBarrel))
    return;
  if (ele.isEE() && (eopValue < cfg.minEOverPEndcaps))
    return;
  LogTrace("GsfElectronAlgo") << "E/p criteria are satisfied";
 
  // HoE cuts
  LogTrace("GsfElectronAlgo") << "HoE1 : " << ele.hcalDepth1OverEcal() << ", HoE2 : " << ele.hcalDepth2OverEcal();
  double hoeCone = ele.hcalOverEcal();
  double hoeTower = ele.hcalOverEcalBc();
  const reco::CaloCluster& seedCluster = *(ele.superCluster()->seed());
  int detector = seedCluster.hitsAndFractions()[0].first.subdetId();
  bool HoEveto = false;
  double scle = ele.superCluster()->energy();
 
  if (detector == EcalBarrel)
    HoEveto = hoeCone * scle < cfg.maxHBarrelCone || hoeTower * scle < cfg.maxHBarrelTower ||
              hoeCone < cfg.maxHOverEBarrelCone || hoeTower < cfg.maxHOverEBarrelTower;
  else if (detector == EcalEndcap)
    HoEveto = hoeCone * scle < cfg.maxHEndcapsCone || hoeTower * scle < cfg.maxHEndcapsTower ||
              hoeCone < cfg.maxHOverEEndcapsCone || hoeTower < cfg.maxHOverEEndcapsTower;
 
  if (!HoEveto)
    return;
  LogTrace("GsfElectronAlgo") << "H/E criteria are satisfied";
 
  // delta eta criteria
  double deta = ele.deltaEtaSuperClusterTrackAtVtx();
  LogTrace("GsfElectronAlgo") << "delta eta : " << deta;
  if (ele.isEB() && (std::abs(deta) > cfg.maxDeltaEtaBarrel))
    return;
  if (ele.isEE() && (std::abs(deta) > cfg.maxDeltaEtaEndcaps))
    return;
  LogTrace("GsfElectronAlgo") << "Delta eta criteria are satisfied";
 
  // delta phi criteria
  double dphi = ele.deltaPhiSuperClusterTrackAtVtx();
  LogTrace("GsfElectronAlgo") << "delta phi : " << dphi;
  if (ele.isEB() && (std::abs(dphi) > cfg.maxDeltaPhiBarrel))
    return;
  if (ele.isEE() && (std::abs(dphi) > cfg.maxDeltaPhiEndcaps))
    return;
  LogTrace("GsfElectronAlgo") << "Delta phi criteria are satisfied";
 
  // sigma ieta ieta
  LogTrace("GsfElectronAlgo") << "sigma ieta ieta : " << ele.sigmaIetaIeta();
  if (ele.isEB() && (ele.sigmaIetaIeta() > cfg.maxSigmaIetaIetaBarrel))
    return;
  if (ele.isEE() && (ele.sigmaIetaIeta() > cfg.maxSigmaIetaIetaEndcaps))
    return;
  LogTrace("GsfElectronAlgo") << "Sigma ieta ieta criteria are satisfied";
 
  // fiducial
  if (!ele.isEB() && cfg.isBarrel)
    return;
  if (!ele.isEE() && cfg.isEndcaps)
    return;
  if (cfg.isFiducial &&
      (ele.isEBEEGap() || ele.isEBEtaGap() || ele.isEBPhiGap() || ele.isEERingGap() || ele.isEEDeeGap()))
    return;
  LogTrace("GsfElectronAlgo") << "Fiducial flags criteria are satisfied";
 
  // seed in TEC
  edm::RefToBase<TrajectorySeed> seed = ele.gsfTrack()->extra()->seedRef();
  ElectronSeedRef elseed = seed.castTo<ElectronSeedRef>();
  if (eg && !cfg_.cuts.seedFromTEC) {
    if (elseed.isNull()) {
      throw cms::Exception("GsfElectronAlgo|NotElectronSeed") << "The GsfTrack seed is not an ElectronSeed ?!";
    } else {
      if (elseed->subDet(1) == 6)
        return;
    }
  }
 
  // transverse impact parameter
  if (std::abs(ele.gsfTrack()->dxy(bs.position())) > cfg.maxTIP)
    return;
  LogTrace("GsfElectronAlgo") << "TIP criterion is satisfied";
 
  LogTrace("GsfElectronAlgo") << "All cut based criteria are satisfied";
  ele.setPassCutBasedPreselection(true);
}

References funct::abs(), cms::cuda::bs, looper::cfg, cfg_, reco::GsfElectron::core(), GsfElectronAlgo::Configuration::cuts, reco::GsfElectron::deltaEtaSuperClusterTrackAtVtx(), reco::GsfElectron::deltaPhiSuperClusterTrackAtVtx(), hgcalTestNeighbor_cfi::detector, EcalBarrel, EcalEndcap, reco::GsfElectron::eSuperClusterOverP(), PVValHelper::eta, Exception, reco::GsfElectron::gsfTrack(), reco::GsfElectron::hcalDepth1OverEcal(), reco::GsfElectron::hcalDepth2OverEcal(), reco::GsfElectron::hcalOverEcal(), reco::GsfElectron::hcalOverEcalBc(), reco::CaloCluster::hitsAndFractions(), reco::GsfElectron::isEB(), reco::GsfElectron::isEBEEGap(), reco::GsfElectron::isEBEtaGap(), reco::GsfElectron::isEBPhiGap(), reco::GsfElectron::isEE(), reco::GsfElectron::isEEDeeGap(), reco::GsfElectron::isEERingGap(), edm::Ref< C, T, F >::isNull(), LogTrace, packedPFCandidateRefMixer_cfi::pf, fileCollector::seed, GsfElectronAlgo::CutsConfiguration::seedFromTEC, reco::GsfElectron::setPassCutBasedPreselection(), reco::GsfElectron::sigmaIetaIeta(), and reco::GsfElectron::superCluster().

Referenced by createElectron().

setPixelMatchInfomation()

void GsfElectronAlgo::setPixelMatchInfomation ( reco::GsfElectron &  ele ) const

private

Definition at line 1055 of file GsfElectronAlgo.cc.

                                                                        {
  int sd1 = 0;
  int sd2 = 0;
  float dPhi1 = 0;
  float dPhi2 = 0;
  float dRz1 = 0;
  float dRz2 = 0;
  edm::RefToBase<TrajectorySeed> seed = ele.gsfTrack()->extra()->seedRef();
  ElectronSeedRef elseed = seed.castTo<ElectronSeedRef>();
  if (seed.isNull()) {
  } else {
    if (elseed.isNull()) {
    } else {
      sd1 = elseed->subDet(0);
      sd2 = elseed->subDet(1);
      dPhi1 = (ele.charge() > 0) ? elseed->dPhiPos(0) : elseed->dPhiNeg(0);
      dPhi2 = (ele.charge() > 0) ? elseed->dPhiPos(1) : elseed->dPhiNeg(1);
      dRz1 = (ele.charge() > 0) ? elseed->dRZPos(0) : elseed->dRZNeg(0);
      dRz2 = (ele.charge() > 0) ? elseed->dRZPos(1) : elseed->dRZNeg(1);
    }
  }
  ele.setPixelMatchSubdetectors(sd1, sd2);
  ele.setPixelMatchDPhi1(dPhi1);
  ele.setPixelMatchDPhi2(dPhi2);
  ele.setPixelMatchDRz1(dRz1);
  ele.setPixelMatchDRz2(dRz2);
}

References reco::LeafCandidate::charge(), reco::GsfElectron::gsfTrack(), edm::Ref< C, T, F >::isNull(), fileCollector::seed, reco::GsfElectron::setPixelMatchDPhi1(), reco::GsfElectron::setPixelMatchDPhi2(), reco::GsfElectron::setPixelMatchDRz1(), reco::GsfElectron::setPixelMatchDRz2(), and reco::GsfElectron::setPixelMatchSubdetectors().

Referenced by createElectron().

Member Data Documentation

caloGeometryToken_

const edm::ESGetToken<CaloGeometry, CaloGeometryRecord> GsfElectronAlgo::caloGeometryToken_

private

Definition at line 247 of file GsfElectronAlgo.h.

Referenced by completeElectrons().

caloTopologyToken_

const edm::ESGetToken<CaloTopology, CaloTopologyRecord> GsfElectronAlgo::caloTopologyToken_

private

Definition at line 248 of file GsfElectronAlgo.h.

Referenced by completeElectrons().

cfg_

const Configuration GsfElectronAlgo::cfg_

private

Definition at line 239 of file GsfElectronAlgo.h.

Referenced by beginEvent(), calculateShowerShape(), checkSetup(), createElectron(), and setCutBasedPreselectionFlag().

crackCorrectionFunction_

std::unique_ptr<EcalClusterFunctionBaseClass> GsfElectronAlgo::crackCorrectionFunction_

private

Definition at line 255 of file GsfElectronAlgo.h.

Referenced by checkSetup(), and createElectron().

ecalSeveretyLevelAlgoToken_

const edm::ESGetToken<EcalSeverityLevelAlgo, EcalSeverityLevelAlgoRcd> GsfElectronAlgo::ecalSeveretyLevelAlgoToken_

private

Definition at line 250 of file GsfElectronAlgo.h.

Referenced by completeElectrons().

hcalHelper_

ElectronHcalHelper GsfElectronAlgo::hcalHelper_

private

Definition at line 253 of file GsfElectronAlgo.h.

Referenced by completeElectrons(), and createElectron().

magneticFieldToken_

const edm::ESGetToken<MagneticField, IdealMagneticFieldRecord> GsfElectronAlgo::magneticFieldToken_

private

Definition at line 246 of file GsfElectronAlgo.h.

Referenced by completeElectrons().

regHelper_

RegressionHelper GsfElectronAlgo::regHelper_

private

Definition at line 256 of file GsfElectronAlgo.h.

Referenced by checkSetup(), and createElectron().

superClusterErrorFunction_

std::unique_ptr<EcalClusterFunctionBaseClass> GsfElectronAlgo::superClusterErrorFunction_

private

Definition at line 254 of file GsfElectronAlgo.h.

Referenced by checkSetup(), and createElectron().

tkIsol03CalcCfg_

const EleTkIsolFromCands::Configuration GsfElectronAlgo::tkIsol03CalcCfg_

private

Definition at line 241 of file GsfElectronAlgo.h.

Referenced by beginEvent().

tkIsol04CalcCfg_

const EleTkIsolFromCands::Configuration GsfElectronAlgo::tkIsol04CalcCfg_

private

Definition at line 242 of file GsfElectronAlgo.h.

Referenced by beginEvent().

tkIsolHEEP03CalcCfg_

const EleTkIsolFromCands::Configuration GsfElectronAlgo::tkIsolHEEP03CalcCfg_

private

Definition at line 243 of file GsfElectronAlgo.h.

Referenced by beginEvent().

tkIsolHEEP04CalcCfg_

const EleTkIsolFromCands::Configuration GsfElectronAlgo::tkIsolHEEP04CalcCfg_

private

Definition at line 244 of file GsfElectronAlgo.h.

Referenced by beginEvent().

trackerGeometryToken_

const edm::ESGetToken<TrackerGeometry, TrackerDigiGeometryRecord> GsfElectronAlgo::trackerGeometryToken_

private

Definition at line 249 of file GsfElectronAlgo.h.

Referenced by completeElectrons().