Inheritance diagram for PFElecTkProducer:

Public Member Functions
	PFElecTkProducer (const edm::ParameterSet &, const convbremhelpers::HeavyObjectCache *)
	Constructor. More...

Public Member Functions inherited from edm::stream::EDProducer< edm::GlobalCache< convbremhelpers::HeavyObjectCache > >
	EDProducer ()=default

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginProcessBlocks () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndProcessBlocks () const final

bool	hasAbilityToProduceInEndRuns () const final

Static Public Member Functions
static void	globalEndJob (convbremhelpers::HeavyObjectCache const *)

static std::unique_ptr< convbremhelpers::HeavyObjectCache >	initializeGlobalCache (const edm::ParameterSet &conf)

Private Member Functions
bool	applySelection (const reco::GsfTrack &)

void	beginRun (const edm::Run &, const edm::EventSetup &) override

void	createGsfPFRecTrackRef (const edm::OrphanHandle< reco::GsfPFRecTrackCollection > &gsfPfHandle, std::vector< reco::GsfPFRecTrack > &gsfPFRecTrackPrimary, const std::map< unsigned int, std::vector< reco::GsfPFRecTrack > > &MapPrimSec)

void	endRun (const edm::Run &, const edm::EventSetup &) override

int	findPfRef (const reco::PFRecTrackCollection &pfRTkColl, const reco::GsfTrack &, edm::soa::EtaPhiTableView trackEtaPhiTable)

bool	isInnerMost (const reco::GsfTrackRef &nGsfTrack, const reco::GsfTrackRef &iGsfTrack, bool &sameLayer)

bool	isInnerMostWithLostHits (const reco::GsfTrackRef &nGsfTrack, const reco::GsfTrackRef &iGsfTrack, bool &sameLayer)

bool	isSameEgSC (const reco::ElectronSeed &nSeed, const reco::ElectronSeed &iSeed, bool &bothGsfEcalDriven, float &SCEnergy)

bool	isSharingEcalEnergyWithEgSC (const reco::GsfPFRecTrack &nGsfPFRecTrack, const reco::GsfPFRecTrack &iGsfPFRecTrack, const reco::ElectronSeed &nSeed, const reco::ElectronSeed &iSeed, const reco::PFClusterCollection &theEClus, bool &bothGsfTrackerDriven, bool &nEcalDriven, bool &iEcalDriven, float &nEnergy, float &iEnergy)

float	minTangDist (const reco::GsfPFRecTrack &primGsf, const reco::GsfPFRecTrack &secGsf)

void	produce (edm::Event &, const edm::EventSetup &) override
	Produce the PFRecTrack collection. More...

bool	resolveGsfTracks (const std::vector< reco::GsfPFRecTrack > &GsfPFVec, unsigned int ngsf, std::vector< unsigned int > &secondaries, const reco::PFClusterCollection &theEClus)

Private Attributes
bool	applyAngularGsfClean_

bool	applyGsfClean_

bool	applySel_

edm::ParameterSet	conf_

std::unique_ptr< ConvBremPFTrackFinder >	convBremFinder_

bool	debugGsfCleaning_

double	detaCutGsfClean_

double	detaGsfSC_

double	dphiCutGsfClean_

double	dphiGsfSC_

std::vector< double >	gsfInnerMomentumCache_

edm::EDGetTokenT< reco::GsfTrackCollection >	gsfTrackLabel_

const edm::ESGetToken< MagneticField, IdealMagneticFieldRecord >	magFieldToken_

double	maxPtConvReco_

bool	modemomentum_

MultiTrajectoryStateTransform	mtsTransform_

double	mvaConvBremFinderIDBarrelHighPt_

double	mvaConvBremFinderIDBarrelLowPt_

double	mvaConvBremFinderIDEndcapsHighPt_

double	mvaConvBremFinderIDEndcapsLowPt_

std::string	path_mvaWeightFileConvBremBarrelHighPt_

std::string	path_mvaWeightFileConvBremBarrelLowPt_

std::string	path_mvaWeightFileConvBremEndcapsHighPt_

std::string	path_mvaWeightFileConvBremEndcapsLowPt_

edm::EDGetTokenT< reco::PFConversionCollection >	pfConv_

edm::EDGetTokenT< reco::PFClusterCollection >	pfEcalClusters_

edm::EDGetTokenT< reco::PFDisplacedTrackerVertexCollection >	pfNuclear_

reco::GsfPFRecTrack	pftrack_

edm::EDGetTokenT< reco::PFRecTrackCollection >	pfTrackLabel_

std::unique_ptr< PFTrackTransformer >	pfTransformer_
	PFTrackTransformer. More...

edm::EDGetTokenT< reco::PFV0Collection >	pfV0_

edm::EDGetTokenT< reco::VertexCollection >	primVtxLabel_

double	SCEne_

reco::GsfPFRecTrack	secpftrack_

const edm::ESGetToken< TrackerGeometry, TrackerDigiGeometryRecord >	tkerGeomToken_

bool	trajinev_
	Trajectory of GSfTracks in the event? More...

const edm::ESGetToken< TransientTrackBuilder, TransientTrackRecord >	transientTrackToken_

bool	useConvBremFinder_
	Conv Brem Finder. More...

bool	useConversions_

bool	useFifthStepForEcalDriven_

bool	useFifthStepForTrackDriven_

bool	useNuclear_

bool	useV0_

Additional Inherited Members
Public Types inherited from edm::stream::EDProducer< edm::GlobalCache< convbremhelpers::HeavyObjectCache > >
typedef CacheContexts< T... >	CacheTypes

typedef CacheTypes::GlobalCache	GlobalCache

typedef AbilityChecker< T... >	HasAbility

typedef CacheTypes::LuminosityBlockCache	LuminosityBlockCache

typedef LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >	LuminosityBlockContext

typedef CacheTypes::LuminosityBlockSummaryCache	LuminosityBlockSummaryCache

typedef CacheTypes::RunCache	RunCache

typedef RunContextT< RunCache, GlobalCache >	RunContext

typedef CacheTypes::RunSummaryCache	RunSummaryCache

Detailed Description

Definition at line 62 of file PFElecTkProducer.cc.

Constructor & Destructor Documentation

◆ PFElecTkProducer()

PFElecTkProducer::PFElecTkProducer	(	const edm::ParameterSet &	iConfig,
		const convbremhelpers::HeavyObjectCache *
	)

explicit

Constructor.

Definition at line 178 of file PFElecTkProducer.cc.

     : conf_(iConfig),
       magFieldToken_(esConsumes<edm::Transition::BeginRun>()),
       tkerGeomToken_(esConsumes<edm::Transition::BeginRun>()),
       transientTrackToken_(esConsumes<edm::Transition::BeginRun>(edm::ESInputTag("", "TransientTrackBuilder"))) {
   gsfTrackLabel_ = consumes<reco::GsfTrackCollection>(iConfig.getParameter<InputTag>("GsfTrackModuleLabel"));
  
   pfTrackLabel_ = consumes<reco::PFRecTrackCollection>(iConfig.getParameter<InputTag>("PFRecTrackLabel"));
  
   primVtxLabel_ = consumes<reco::VertexCollection>(iConfig.getParameter<InputTag>("PrimaryVertexLabel"));
  
   pfEcalClusters_ = consumes<reco::PFClusterCollection>(iConfig.getParameter<InputTag>("PFEcalClusters"));
  
   pfNuclear_ = consumes<reco::PFDisplacedTrackerVertexCollection>(iConfig.getParameter<InputTag>("PFNuclear"));
  
   pfConv_ = consumes<reco::PFConversionCollection>(iConfig.getParameter<InputTag>("PFConversions"));
  
   pfV0_ = consumes<reco::PFV0Collection>(iConfig.getParameter<InputTag>("PFV0"));
  
   useNuclear_ = iConfig.getParameter<bool>("useNuclear");
   useConversions_ = iConfig.getParameter<bool>("useConversions");
   useV0_ = iConfig.getParameter<bool>("useV0");
   debugGsfCleaning_ = iConfig.getParameter<bool>("debugGsfCleaning");
  
   produces<GsfPFRecTrackCollection>();
   produces<GsfPFRecTrackCollection>("Secondary").setBranchAlias("secondary");
  
   trajinev_ = iConfig.getParameter<bool>("TrajInEvents");
   modemomentum_ = iConfig.getParameter<bool>("ModeMomentum");
   applySel_ = iConfig.getParameter<bool>("applyEGSelection");
   applyGsfClean_ = iConfig.getParameter<bool>("applyGsfTrackCleaning");
   applyAngularGsfClean_ = iConfig.getParameter<bool>("applyAlsoGsfAngularCleaning");
   detaCutGsfClean_ = iConfig.getParameter<double>("maxDEtaGsfAngularCleaning");
   dphiCutGsfClean_ = iConfig.getParameter<double>("maxDPhiBremTangGsfAngularCleaning");
   useFifthStepForTrackDriven_ = iConfig.getParameter<bool>("useFifthStepForTrackerDrivenGsf");
   useFifthStepForEcalDriven_ = iConfig.getParameter<bool>("useFifthStepForEcalDrivenGsf");
   maxPtConvReco_ = iConfig.getParameter<double>("MaxConvBremRecoPT");
   detaGsfSC_ = iConfig.getParameter<double>("MinDEtaGsfSC");
   dphiGsfSC_ = iConfig.getParameter<double>("MinDPhiGsfSC");
   SCEne_ = iConfig.getParameter<double>("MinSCEnergy");
  
   // set parameter for convBremFinder
   useConvBremFinder_ = iConfig.getParameter<bool>("useConvBremFinder");
  
   mvaConvBremFinderIDBarrelLowPt_ = iConfig.getParameter<double>("pf_convBremFinderID_mvaCutBarrelLowPt");
   mvaConvBremFinderIDBarrelHighPt_ = iConfig.getParameter<double>("pf_convBremFinderID_mvaCutBarrelHighPt");
   mvaConvBremFinderIDEndcapsLowPt_ = iConfig.getParameter<double>("pf_convBremFinderID_mvaCutEndcapsLowPt");
   mvaConvBremFinderIDEndcapsHighPt_ = iConfig.getParameter<double>("pf_convBremFinderID_mvaCutEndcapsHighPt");
 }

References applyAngularGsfClean_, applyGsfClean_, applySel_, edm::BeginRun, debugGsfCleaning_, detaCutGsfClean_, detaGsfSC_, dphiCutGsfClean_, dphiGsfSC_, edm::ParameterSet::getParameter(), gsfTrackLabel_, maxPtConvReco_, modemomentum_, mvaConvBremFinderIDBarrelHighPt_, mvaConvBremFinderIDBarrelLowPt_, mvaConvBremFinderIDEndcapsHighPt_, mvaConvBremFinderIDEndcapsLowPt_, pfConv_, pfEcalClusters_, pfNuclear_, pfTrackLabel_, pfV0_, primVtxLabel_, SCEne_, trajinev_, useConvBremFinder_, useConversions_, useFifthStepForEcalDriven_, useFifthStepForTrackDriven_, useNuclear_, and useV0_.

Member Function Documentation

◆ applySelection()

bool PFElecTkProducer::applySelection ( const reco::GsfTrack & gsftk )

private

Definition at line 549 of file PFElecTkProducer.cc.

                                                                {
   if (gsftk.seedRef().get() == nullptr)
     return false;
   auto const& ElSeedFromRef = static_cast<ElectronSeed const&>(*(gsftk.extra()->seedRef()));
  
   bool passCut = false;
   if (ElSeedFromRef.ctfTrack().isNull()) {
     if (ElSeedFromRef.caloCluster().isNull())
       return passCut;
     auto const* scRef = static_cast<SuperCluster const*>(ElSeedFromRef.caloCluster().get());
     //do this just to know if exist a SC?
     if (scRef) {
       float caloEne = scRef->energy();
       float feta = fabs(scRef->eta() - gsftk.etaMode());
       float fphi = fabs(scRef->phi() - gsftk.phiMode());
       if (fphi > TMath::Pi())
         fphi -= TMath::TwoPi();
       if (caloEne > SCEne_ && feta < detaGsfSC_ && fabs(fphi) < dphiGsfSC_)
         passCut = true;
     }
   } else {
     // get all the gsf found by tracker driven
     passCut = true;
   }
   return passCut;
 }

References detaGsfSC_, dphiGsfSC_, reco::GsfTrack::etaMode(), reco::Track::extra(), JetMETHLTOfflineSource_cfi::feta, edm::RefToBase< T >::get(), reco::GsfTrack::phiMode(), Pi, SCEne_, reco::Track::seedRef(), and TwoPi.

Referenced by produce().

◆ beginRun()

void PFElecTkProducer::beginRun	(	const edm::Run &	run,
		const edm::EventSetup &	iSetup
	)

overrideprivate

Definition at line 1113 of file PFElecTkProducer.cc.

                                                                            {
   auto const& magneticField = &iSetup.getData(magFieldToken_);
   auto const& tracker = &iSetup.getData(tkerGeomToken_);
  
   mtsTransform_ = MultiTrajectoryStateTransform(tracker, magneticField);
  
   pfTransformer_ = std::make_unique<PFTrackTransformer>(math::XYZVector(magneticField->inTesla(GlobalPoint(0, 0, 0))));
  
   TransientTrackBuilder thebuilder = iSetup.getData(transientTrackToken_);
  
   convBremFinder_ = std::make_unique<ConvBremPFTrackFinder>(thebuilder,
                                                             mvaConvBremFinderIDBarrelLowPt_,
                                                             mvaConvBremFinderIDBarrelHighPt_,
                                                             mvaConvBremFinderIDEndcapsLowPt_,
                                                             mvaConvBremFinderIDEndcapsHighPt_);
 }

References convBremFinder_, edm::EventSetup::getData(), magFieldToken_, HLT_FULL_cff::magneticField, mtsTransform_, mvaConvBremFinderIDBarrelHighPt_, mvaConvBremFinderIDBarrelLowPt_, mvaConvBremFinderIDEndcapsHighPt_, mvaConvBremFinderIDEndcapsLowPt_, pfTransformer_, tkerGeomToken_, PbPb_ZMuSkimMuonDPG_cff::tracker, and transientTrackToken_.

◆ createGsfPFRecTrackRef()

void PFElecTkProducer::createGsfPFRecTrackRef	(	const edm::OrphanHandle< reco::GsfPFRecTrackCollection > &	gsfPfHandle,
		std::vector< reco::GsfPFRecTrack > &	gsfPFRecTrackPrimary,
		const std::map< unsigned int, std::vector< reco::GsfPFRecTrack > > &	MapPrimSec
	)

private

Definition at line 460 of file PFElecTkProducer.cc.

                                                                            {
   unsigned int cgsf = 0;
   unsigned int csecgsf = 0;
   for (std::map<unsigned int, std::vector<reco::GsfPFRecTrack> >::const_iterator igsf = MapPrimSec.begin();
        igsf != MapPrimSec.end();
        igsf++, cgsf++) {
     vector<reco::GsfPFRecTrack> SecGsfPF = igsf->second;
     for (unsigned int iSecGsf = 0; iSecGsf < SecGsfPF.size(); iSecGsf++) {
       edm::Ref<reco::GsfPFRecTrackCollection> refgprt(gsfPfHandle, csecgsf);
       gsfPFRecTrackPrimary[cgsf].addConvBremGsfPFRecTrackRef(refgprt);
       ++csecgsf;
     }
   }
  
   return;
 }

References genParticles_cff::map.

Referenced by produce().

◆ endRun()

void PFElecTkProducer::endRun	(	const edm::Run &	run,
		const edm::EventSetup &	iSetup
	)

overrideprivate

Definition at line 1131 of file PFElecTkProducer.cc.

                                                                          {
   pfTransformer_.reset();
   convBremFinder_.reset();
 }

References convBremFinder_, and pfTransformer_.

◆ findPfRef()

int PFElecTkProducer::findPfRef	(	const reco::PFRecTrackCollection &	pfRTkColl,
		const reco::GsfTrack &	gsftk,
		edm::soa::EtaPhiTableView	trackEtaPhiTable
	)

private

Definition at line 480 of file PFElecTkProducer.cc.

                                                                         {
   if (gsftk.seedRef().get() == nullptr) {
     return -1;
   }
  
   // maximum delta_r2 for matching
   constexpr float maxDR2 = square(0.05f);
  
   // precompute expensive trigonometry
   float gsftkEta = gsftk.eta();
   float gsftkPhi = gsftk.phi();
   auto const& gsftkHits = gsftk.seedRef()->recHits();
  
   auto const& electronSeedFromRef = static_cast<ElectronSeed const&>(*(gsftk.extra()->seedRef()));
   //CASE 1 ELECTRONSEED DOES NOT HAVE A REF TO THE CKFTRACK
   if (electronSeedFromRef.ctfTrack().isNull()) {
     unsigned int i_pf = 0;
     int ibest = -1;
     unsigned int ish_max = 0;
     float dr2_min = square(1000.f);
  
     //SEARCH THE PFRECTRACK THAT SHARES HITS WITH THE ELECTRON SEED
     // Here the cpu time has been be improved.
     for (auto const& pft : trackEtaPhiTable) {
       unsigned int ish = 0;
  
       using namespace edm::soa::col;
       const float dr2 = reco::deltaR2(pft.get<Eta>(), pft.get<Phi>(), gsftkEta, gsftkPhi);
  
       if (dr2 <= maxDR2) {
         for (auto const& hhit : pfRTkColl[i_pf].trackRef()->recHits()) {
           if (!hhit->isValid())
             continue;
           for (auto const& hit : gsftkHits) {
             if (hit.isValid() && hhit->sharesInput(&hit, TrackingRecHit::all))
               ish++;
           }
         }
  
         if ((ish > ish_max) || ((ish == ish_max) && (dr2 < dr2_min))) {
           ish_max = ish;
           dr2_min = dr2;
           ibest = i_pf;
         }
       }
  
       i_pf++;
     }
  
     return ((ish_max == 0) || (dr2_min > maxDR2)) ? -1 : ibest;
   } else {
     //ELECTRON SEED HAS A REFERENCE
  
     unsigned int i_pf = 0;
  
     for (auto const& pft : pfRTkColl) {
       //REF COMPARISON
       if (pft.trackRef() == electronSeedFromRef.ctfTrack()) {
         return i_pf;
       }
       i_pf++;
     }
   }
   return -1;
 }

References TrackingRecHit::all, reco::deltaR2(), reco::TrackBase::eta(), reco::Track::extra(), f, edm::RefToBase< T >::get(), reco::TrackBase::phi(), FastTrackerRecHitMaskProducer_cfi::recHits, TrajectorySeed::recHits(), reco::Track::seedRef(), and square().

Referenced by produce().

◆ globalEndJob()

static void PFElecTkProducer::globalEndJob ( convbremhelpers::HeavyObjectCache const * )

inlinestatic

Definition at line 71 of file PFElecTkProducer.cc.

71 {}

◆ initializeGlobalCache()

static std::unique_ptr<convbremhelpers::HeavyObjectCache> PFElecTkProducer::initializeGlobalCache ( const edm::ParameterSet & conf )

inlinestatic

Definition at line 67 of file PFElecTkProducer.cc.

                                                                                                            {
     return std::make_unique<convbremhelpers::HeavyObjectCache>(conf);
   }

◆ isInnerMost()

bool PFElecTkProducer::isInnerMost	(	const reco::GsfTrackRef &	nGsfTrack,
		const reco::GsfTrackRef &	iGsfTrack,
		bool &	sameLayer
	)

private

Definition at line 1061 of file PFElecTkProducer.cc.

                                                     {
   // copied by the class RecoEgamma/EgammaElectronAlgos/src/EgAmbiguityTools.cc
   // obsolete but the code is kept: now using lost hits method
  
   const reco::HitPattern& gsfHitPattern1 = nGsfTrack->hitPattern();
   const reco::HitPattern& gsfHitPattern2 = iGsfTrack->hitPattern();
  
   // retrieve first valid hit
   int gsfHitCounter1 = 0;
   for (auto const& hit : nGsfTrack->recHits()) {
     if (hit->isValid())
       break;
     gsfHitCounter1++;
   }
  
   int gsfHitCounter2 = 0;
   for (auto const& hit : iGsfTrack->recHits()) {
     if (hit->isValid())
       break;
     gsfHitCounter2++;
   }
  
   uint32_t gsfHit1 = gsfHitPattern1.getHitPattern(HitPattern::TRACK_HITS, gsfHitCounter1);
   uint32_t gsfHit2 = gsfHitPattern2.getHitPattern(HitPattern::TRACK_HITS, gsfHitCounter2);
  
   if (gsfHitPattern1.getSubStructure(gsfHit1) != gsfHitPattern2.getSubStructure(gsfHit2)) {
     return (gsfHitPattern2.getSubStructure(gsfHit2) < gsfHitPattern1.getSubStructure(gsfHit1));
   } else if (gsfHitPattern1.getLayer(gsfHit1) != gsfHitPattern2.getLayer(gsfHit2)) {
     return (gsfHitPattern2.getLayer(gsfHit2) < gsfHitPattern1.getLayer(gsfHit1));
   } else {
     sameLayer = true;
     return false;
   }
 }

References reco::HitPattern::getHitPattern(), reco::HitPattern::getLayer(), and reco::HitPattern::getSubStructure().

◆ isInnerMostWithLostHits()

bool PFElecTkProducer::isInnerMostWithLostHits	(	const reco::GsfTrackRef &	nGsfTrack,
		const reco::GsfTrackRef &	iGsfTrack,
		bool &	sameLayer
	)

private

Definition at line 1097 of file PFElecTkProducer.cc.

                                                                 {
   // define closest using the lost hits on the expectedhitsineer
   unsigned int nLostHits = nGsfTrack->missingInnerHits();
   unsigned int iLostHits = iGsfTrack->missingInnerHits();
  
   if (nLostHits != iLostHits) {
     return (nLostHits > iLostHits);
   } else {
     sameLayer = true;
     return false;
   }
 }

Referenced by resolveGsfTracks().

◆ isSameEgSC()

bool PFElecTkProducer::isSameEgSC	(	const reco::ElectronSeed &	nSeed,
		const reco::ElectronSeed &	iSeed,
		bool &	bothGsfEcalDriven,
		float &	SCEnergy
	)

private

Definition at line 856 of file PFElecTkProducer.cc.

                                                    {
   bool isSameSC = false;
  
   if (nSeed.caloCluster().isNonnull() && iSeed.caloCluster().isNonnull()) {
     auto const* nscRef = static_cast<SuperCluster const*>(nSeed.caloCluster().get());
     auto const* iscRef = static_cast<SuperCluster const*>(iSeed.caloCluster().get());
  
     if (nscRef && iscRef) {
       bothGsfEcalDriven = true;
       if (nscRef == iscRef) {
         isSameSC = true;
         // retrieve the supercluster energy
         SCEnergy = nscRef->energy();
       }
     }
   }
   return isSameSC;
 }

References reco::ElectronSeed::caloCluster(), edm::RefToBase< T >::get(), edm::RefToBase< T >::isNonnull(), and TrendClient_cfi::SCEnergy.

Referenced by resolveGsfTracks().

◆ isSharingEcalEnergyWithEgSC()

bool PFElecTkProducer::isSharingEcalEnergyWithEgSC	(	const reco::GsfPFRecTrack &	nGsfPFRecTrack,
		const reco::GsfPFRecTrack &	iGsfPFRecTrack,
		const reco::ElectronSeed &	nSeed,
		const reco::ElectronSeed &	iSeed,
		const reco::PFClusterCollection &	theEClus,
		bool &	bothGsfTrackerDriven,
		bool &	nEcalDriven,
		bool &	iEcalDriven,
		float &	nEnergy,
		float &	iEnergy
	)

private

Definition at line 877 of file PFElecTkProducer.cc.

                                                                    {
   bool isSharingEnergy = false;
  
   //which is EcalDriven?
   bool oneEcalDriven = true;
   SuperCluster const* scRef = nullptr;
   GsfPFRecTrack gsfPfTrack;
  
   if (nSeed.caloCluster().isNonnull()) {
     scRef = static_cast<SuperCluster const*>(nSeed.caloCluster().get());
     assert(scRef);
     nEnergy = scRef->energy();
     nEcalDriven = true;
     gsfPfTrack = iGsfPFRecTrack;
   } else if (iSeed.caloCluster().isNonnull()) {
     scRef = static_cast<SuperCluster const*>(iSeed.caloCluster().get());
     assert(scRef);
     iEnergy = scRef->energy();
     iEcalDriven = true;
     gsfPfTrack = nGsfPFRecTrack;
   } else {
     oneEcalDriven = false;
   }
  
   if (oneEcalDriven) {
     //run a basic reconstruction for the particle flow
  
     vector<PFCluster> vecPFClusters;
     vecPFClusters.clear();
  
     for (PFClusterCollection::const_iterator clus = theEClus.begin(); clus != theEClus.end(); clus++) {
       PFCluster clust = *clus;
       clust.calculatePositionREP();
  
       float deta = fabs(scRef->position().eta() - clust.position().eta());
       float dphi = fabs(scRef->position().phi() - clust.position().phi());
       if (dphi > TMath::Pi())
         dphi -= TMath::TwoPi();
  
       // Angle preselection between the supercluster and pfclusters
       // this is needed just to save some cpu-time for this is hard-coded
       if (deta < 0.5 && fabs(dphi) < 1.0) {
         double distGsf = gsfPfTrack.extrapolatedPoint(reco::PFTrajectoryPoint::ECALShowerMax).isValid()
                              ? LinkByRecHit::testTrackAndClusterByRecHit(gsfPfTrack, clust)
                              : -1.;
         // check if it touch the GsfTrack
         if (distGsf > 0.) {
           if (nEcalDriven)
             iEnergy += clust.energy();
           else
             nEnergy += clust.energy();
           vecPFClusters.push_back(clust);
         }
         // check if it touch the Brem-tangents
         else {
           vector<PFBrem> primPFBrem = gsfPfTrack.PFRecBrem();
           for (unsigned ipbrem = 0; ipbrem < primPFBrem.size(); ipbrem++) {
             if (primPFBrem[ipbrem].indTrajPoint() == 99)
               continue;
             const reco::PFRecTrack& pfBremTrack = primPFBrem[ipbrem];
             double dist = pfBremTrack.extrapolatedPoint(reco::PFTrajectoryPoint::ECALShowerMax).isValid()
                               ? LinkByRecHit::testTrackAndClusterByRecHit(pfBremTrack, clust, true)
                               : -1.;
             if (dist > 0.) {
               if (nEcalDriven)
                 iEnergy += clust.energy();
               else
                 nEnergy += clust.energy();
               vecPFClusters.push_back(clust);
             }
           }
         }
       }  // END if angle preselection
     }    // PFClusters Loop
     if (!vecPFClusters.empty()) {
       for (unsigned int pf = 0; pf < vecPFClusters.size(); pf++) {
         bool isCommon = ClusterClusterMapping::overlap(vecPFClusters[pf], *scRef);
         if (isCommon) {
           isSharingEnergy = true;
         }
         break;
       }
     }
   } else {
     // both tracks are trackerDriven, try ECAL energy matching also in this case.
  
     bothGsfTrackerDriven = true;
     vector<PFCluster> nPFCluster;
     vector<PFCluster> iPFCluster;
  
     nPFCluster.clear();
     iPFCluster.clear();
  
     for (PFClusterCollection::const_iterator clus = theEClus.begin(); clus != theEClus.end(); clus++) {
       PFCluster clust = *clus;
       clust.calculatePositionREP();
  
       float ndeta = fabs(nGsfPFRecTrack.gsfTrackRef()->eta() - clust.position().eta());
       float ndphi = fabs(nGsfPFRecTrack.gsfTrackRef()->phi() - clust.position().phi());
       if (ndphi > TMath::Pi())
         ndphi -= TMath::TwoPi();
       // Apply loose preselection with the track
       // just to save cpu time, for this hard-coded
       if (ndeta < 0.5 && fabs(ndphi) < 1.0) {
         double distGsf = nGsfPFRecTrack.extrapolatedPoint(reco::PFTrajectoryPoint::ECALShowerMax).isValid()
                              ? LinkByRecHit::testTrackAndClusterByRecHit(nGsfPFRecTrack, clust)
                              : -1.;
         if (distGsf > 0.) {
           nPFCluster.push_back(clust);
           nEnergy += clust.energy();
         } else {
           const vector<PFBrem>& primPFBrem = nGsfPFRecTrack.PFRecBrem();
           for (unsigned ipbrem = 0; ipbrem < primPFBrem.size(); ipbrem++) {
             if (primPFBrem[ipbrem].indTrajPoint() == 99)
               continue;
             const reco::PFRecTrack& pfBremTrack = primPFBrem[ipbrem];
             double dist = pfBremTrack.extrapolatedPoint(reco::PFTrajectoryPoint::ECALShowerMax).isValid()
                               ? LinkByRecHit::testTrackAndClusterByRecHit(pfBremTrack, clust, true)
                               : -1.;
             if (dist > 0.) {
               nPFCluster.push_back(clust);
               nEnergy += clust.energy();
               break;
             }
           }
         }
       }
  
       float ideta = fabs(iGsfPFRecTrack.gsfTrackRef()->eta() - clust.position().eta());
       float idphi = fabs(iGsfPFRecTrack.gsfTrackRef()->phi() - clust.position().phi());
       if (idphi > TMath::Pi())
         idphi -= TMath::TwoPi();
       // Apply loose preselection with the track
       // just to save cpu time, for this hard-coded
       if (ideta < 0.5 && fabs(idphi) < 1.0) {
         double dist = iGsfPFRecTrack.extrapolatedPoint(reco::PFTrajectoryPoint::ECALShowerMax).isValid()
                           ? LinkByRecHit::testTrackAndClusterByRecHit(iGsfPFRecTrack, clust)
                           : -1.;
         if (dist > 0.) {
           iPFCluster.push_back(clust);
           iEnergy += clust.energy();
         } else {
           vector<PFBrem> primPFBrem = iGsfPFRecTrack.PFRecBrem();
           for (unsigned ipbrem = 0; ipbrem < primPFBrem.size(); ipbrem++) {
             if (primPFBrem[ipbrem].indTrajPoint() == 99)
               continue;
             const reco::PFRecTrack& pfBremTrack = primPFBrem[ipbrem];
             double dist = LinkByRecHit::testTrackAndClusterByRecHit(pfBremTrack, clust, true);
             if (dist > 0.) {
               iPFCluster.push_back(clust);
               iEnergy += clust.energy();
               break;
             }
           }
         }
       }
     }
  
     if (!nPFCluster.empty() && !iPFCluster.empty()) {
       for (unsigned int npf = 0; npf < nPFCluster.size(); npf++) {
         for (unsigned int ipf = 0; ipf < iPFCluster.size(); ipf++) {
           bool isCommon = ClusterClusterMapping::overlap(nPFCluster[npf], iPFCluster[ipf]);
           if (isCommon) {
             isSharingEnergy = true;
             break;
           }
         }
         if (isSharingEnergy)
           break;
       }
     }
   }
  
   return isSharingEnergy;
 }

References cms::cuda::assert(), reco::PFCluster::calculatePositionREP(), reco::ElectronSeed::caloCluster(), reco::PFTrajectoryPoint::ECALShowerMax, reco::PFCluster::energy(), reco::CaloCluster::energy(), reco::PFTrack::extrapolatedPoint(), edm::RefToBase< T >::get(), reco::GsfPFRecTrack::gsfTrackRef(), edm::RefToBase< T >::isNonnull(), reco::PFTrajectoryPoint::isValid(), ClusterClusterMapping::overlap(), packedPFCandidateRefMixer_cfi::pf, reco::GsfPFRecTrack::PFRecBrem(), Pi, reco::CaloCluster::position(), LinkByRecHit::testTrackAndClusterByRecHit(), and TwoPi.

Referenced by resolveGsfTracks().

◆ minTangDist()

float PFElecTkProducer::minTangDist	(	const reco::GsfPFRecTrack &	primGsf,
		const reco::GsfPFRecTrack &	secGsf
	)

private

Definition at line 813 of file PFElecTkProducer.cc.

                                                                                                      {
   float minDphi = 1000.;
  
   std::vector<reco::PFBrem> primPFBrem = primGsf.PFRecBrem();
   std::vector<reco::PFBrem> secPFBrem = secGsf.PFRecBrem();
  
   unsigned int cbrem = 0;
   for (unsigned isbrem = 0; isbrem < secPFBrem.size(); isbrem++) {
     if (secPFBrem[isbrem].indTrajPoint() == 99)
       continue;
     const reco::PFTrajectoryPoint& atSecECAL =
         secPFBrem[isbrem].extrapolatedPoint(reco::PFTrajectoryPoint::ECALEntrance);
     if (!atSecECAL.isValid())
       continue;
     float secPhi = atSecECAL.positionREP().Phi();
  
     unsigned int sbrem = 0;
     for (unsigned ipbrem = 0; ipbrem < primPFBrem.size(); ipbrem++) {
       if (primPFBrem[ipbrem].indTrajPoint() == 99)
         continue;
       const reco::PFTrajectoryPoint& atPrimECAL =
           primPFBrem[ipbrem].extrapolatedPoint(reco::PFTrajectoryPoint::ECALEntrance);
       if (!atPrimECAL.isValid())
         continue;
       sbrem++;
       if (sbrem <= 3) {
         float primPhi = atPrimECAL.positionREP().Phi();
  
         float dphi = fabs(primPhi - secPhi);
         if (dphi > TMath::Pi())
           dphi -= TMath::TwoPi();
         if (fabs(dphi) < minDphi) {
           minDphi = fabs(dphi);
         }
       }
     }
  
     cbrem++;
     if (cbrem == 3)
       break;
   }
   return minDphi;
 }

References reco::PFTrajectoryPoint::ECALEntrance, reco::PFTrajectoryPoint::isValid(), HLT_FULL_cff::minDphi, reco::GsfPFRecTrack::PFRecBrem(), Pi, reco::PFTrajectoryPoint::positionREP(), and TwoPi.

Referenced by resolveGsfTracks().

◆ produce()

void PFElecTkProducer::produce	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

overrideprivate

Produce the PFRecTrack collection.

Definition at line 233 of file PFElecTkProducer.cc.

                                                                       {
   //create the empty collections
   auto gsfPFRecTrackCollection = std::make_unique<GsfPFRecTrackCollection>();
  
   auto gsfPFRecTrackCollectionSecondary = std::make_unique<GsfPFRecTrackCollection>();
  
   //read collections of tracks
   Handle<GsfTrackCollection> gsftrackscoll;
   iEvent.getByToken(gsfTrackLabel_, gsftrackscoll);
  
   //read collections of trajectories
   Handle<vector<Trajectory> > TrajectoryCollection;
  
   //read pfrectrack collection
   Handle<PFRecTrackCollection> thePfRecTrackCollection;
   iEvent.getByToken(pfTrackLabel_, thePfRecTrackCollection);
  
   // SoA structure for frequently used track information.
   // LazyConstructed so it is only filled when needed, i.e., when there is an electron in the event.
   auto trackEtaPhiTable = makeLazy<edm::soa::EtaPhiTable>(*thePfRecTrackCollection);
  
   // PFClusters
   Handle<PFClusterCollection> theECPfClustCollection;
   iEvent.getByToken(pfEcalClusters_, theECPfClustCollection);
   const PFClusterCollection& theEcalClusters = *(theECPfClustCollection.product());
  
   //Primary Vertexes
   Handle<reco::VertexCollection> thePrimaryVertexColl;
   iEvent.getByToken(primVtxLabel_, thePrimaryVertexColl);
  
   // Displaced Vertex
   Handle<reco::PFDisplacedTrackerVertexCollection> pfNuclears;
   if (useNuclear_)
     iEvent.getByToken(pfNuclear_, pfNuclears);
  
   // Conversions
   Handle<reco::PFConversionCollection> pfConversions;
   if (useConversions_)
     iEvent.getByToken(pfConv_, pfConversions);
  
   // V0
   Handle<reco::PFV0Collection> pfV0;
   if (useV0_)
     iEvent.getByToken(pfV0_, pfV0);
  
   GsfTrackCollection gsftracks = *(gsftrackscoll.product());
   vector<Trajectory> tjvec(0);
   if (trajinev_) {
     iEvent.getByToken(gsfTrackLabel_, TrajectoryCollection);
  
     tjvec = *(TrajectoryCollection.product());
   }
  
   vector<reco::GsfPFRecTrack> selGsfPFRecTracks;
   vector<reco::GsfPFRecTrack> primaryGsfPFRecTracks;
   std::map<unsigned int, std::vector<reco::GsfPFRecTrack> > GsfPFMap;
  
   for (unsigned igsf = 0; igsf < gsftracks.size(); igsf++) {
     GsfTrackRef trackRef(gsftrackscoll, igsf);
     gsfInnerMomentumCache_.push_back(trackRef->pMode());
     TrajectoryStateOnSurface i_inTSOS = mtsTransform_.innerStateOnSurface((*trackRef));
     GlobalVector i_innMom;
     if (i_inTSOS.isValid()) {
       multiTrajectoryStateMode::momentumFromModeCartesian(i_inTSOS, i_innMom);
       gsfInnerMomentumCache_.back() = i_innMom.mag();
     }
   }
  
   for (unsigned int igsf = 0; igsf < gsftracks.size(); igsf++) {
     GsfTrackRef trackRef(gsftrackscoll, igsf);
  
     int kf_ind = findPfRef(*thePfRecTrackCollection, gsftracks[igsf], trackEtaPhiTable.value());
  
     if (kf_ind >= 0) {
       PFRecTrackRef kf_ref(thePfRecTrackCollection, kf_ind);
  
       // remove fifth step tracks
       if (useFifthStepForEcalDriven_ == false || useFifthStepForTrackDriven_ == false) {
         bool isFifthStepTrack = PFTrackAlgoTools::isFifthStep(kf_ref->trackRef()->algo());
         bool isEcalDriven = true;
         bool isTrackerDriven = true;
  
         if (trackRef->seedRef().get() == nullptr) {
           isEcalDriven = false;
           isTrackerDriven = false;
         } else {
           auto const& SeedFromRef = static_cast<ElectronSeed const&>(*(trackRef->extra()->seedRef()));
           if (SeedFromRef.caloCluster().isNull())
             isEcalDriven = false;
           if (SeedFromRef.ctfTrack().isNull())
             isTrackerDriven = false;
         }
         //note: the same track could be both ecalDriven and trackerDriven
         if (isFifthStepTrack && isEcalDriven && isTrackerDriven == false && useFifthStepForEcalDriven_ == false) {
           continue;
         }
  
         if (isFifthStepTrack && isTrackerDriven && isEcalDriven == false && useFifthStepForTrackDriven_ == false) {
           continue;
         }
  
         if (isFifthStepTrack && isTrackerDriven && isEcalDriven && useFifthStepForTrackDriven_ == false &&
             useFifthStepForEcalDriven_ == false) {
           continue;
         }
       }
  
       pftrack_ = GsfPFRecTrack(gsftracks[igsf].charge(), reco::PFRecTrack::GSF, igsf, trackRef, kf_ref);
     } else {
       PFRecTrackRef dummyRef;
       pftrack_ = GsfPFRecTrack(gsftracks[igsf].charge(), reco::PFRecTrack::GSF, igsf, trackRef, dummyRef);
     }
  
     bool validgsfbrem = false;
     if (trajinev_) {
       validgsfbrem = pfTransformer_->addPointsAndBrems(pftrack_, gsftracks[igsf], tjvec[igsf], modemomentum_);
     } else {
       validgsfbrem = pfTransformer_->addPointsAndBrems(pftrack_, gsftracks[igsf], mtsTransform_);
     }
  
     bool passSel = true;
     if (applySel_)
       passSel = applySelection(gsftracks[igsf]);
  
     if (validgsfbrem && passSel)
       selGsfPFRecTracks.push_back(pftrack_);
   }
  
   unsigned int count_primary = 0;
   if (!selGsfPFRecTracks.empty()) {
     for (unsigned int ipfgsf = 0; ipfgsf < selGsfPFRecTracks.size(); ipfgsf++) {
       vector<unsigned int> secondaries(0);
       secondaries.clear();
       bool keepGsf = true;
  
       if (applyGsfClean_) {
         keepGsf = resolveGsfTracks(selGsfPFRecTracks, ipfgsf, secondaries, theEcalClusters);
       }
  
       //is primary?
       if (keepGsf == true) {
         // Find kf tracks from converted brem photons
         if (convBremFinder_->foundConvBremPFRecTrack(thePfRecTrackCollection,
                                                      thePrimaryVertexColl,
                                                      pfNuclears,
                                                      pfConversions,
                                                      pfV0,
                                                      globalCache(),
                                                      useNuclear_,
                                                      useConversions_,
                                                      useV0_,
                                                      theEcalClusters,
                                                      selGsfPFRecTracks[ipfgsf])) {
           const vector<PFRecTrackRef>& convBremPFRecTracks(convBremFinder_->getConvBremPFRecTracks());
           for (unsigned int ii = 0; ii < convBremPFRecTracks.size(); ii++) {
             selGsfPFRecTracks[ipfgsf].addConvBremPFRecTrackRef(convBremPFRecTracks[ii]);
           }
         }
  
         // save primaries gsf tracks
         //  gsfPFRecTrackCollection->push_back(selGsfPFRecTracks[ipfgsf]);
         primaryGsfPFRecTracks.push_back(selGsfPFRecTracks[ipfgsf]);
  
         // NOTE:: THE TRACKID IS USED TO LINK THE PRIMARY GSF TRACK. THIS NEEDS
         // TO BE CHANGED AS SOON AS IT IS POSSIBLE TO CHANGE DATAFORMATS
         // A MODIFICATION HERE IMPLIES A MODIFICATION IN PFBLOCKALGO.CC/H
         unsigned int primGsfIndex = selGsfPFRecTracks[ipfgsf].trackId();
         vector<reco::GsfPFRecTrack> trueGsfPFRecTracks;
         if (!secondaries.empty()) {
           // loop on secondaries gsf tracks (from converted brems)
           for (unsigned int isecpfgsf = 0; isecpfgsf < secondaries.size(); isecpfgsf++) {
             PFRecTrackRef refsecKF = selGsfPFRecTracks[(secondaries[isecpfgsf])].kfPFRecTrackRef();
  
             unsigned int secGsfIndex = selGsfPFRecTracks[(secondaries[isecpfgsf])].trackId();
             GsfTrackRef secGsfRef = selGsfPFRecTracks[(secondaries[isecpfgsf])].gsfTrackRef();
  
             if (refsecKF.isNonnull()) {
               // NOTE::IT SAVED THE TRACKID OF THE PRIMARY!!! THIS IS USED IN PFBLOCKALGO.CC/H
               secpftrack_ = GsfPFRecTrack(
                   gsftracks[secGsfIndex].charge(), reco::PFRecTrack::GSF, primGsfIndex, secGsfRef, refsecKF);
             } else {
               PFRecTrackRef dummyRef;
               // NOTE::IT SAVED THE TRACKID OF THE PRIMARY!!! THIS IS USED IN PFBLOCKALGO.CC/H
               secpftrack_ = GsfPFRecTrack(
                   gsftracks[secGsfIndex].charge(), reco::PFRecTrack::GSF, primGsfIndex, secGsfRef, dummyRef);
             }
  
             bool validgsfbrem = false;
             if (trajinev_) {
               validgsfbrem = pfTransformer_->addPointsAndBrems(
                   secpftrack_, gsftracks[secGsfIndex], tjvec[secGsfIndex], modemomentum_);
             } else {
               validgsfbrem = pfTransformer_->addPointsAndBrems(secpftrack_, gsftracks[secGsfIndex], mtsTransform_);
             }
  
             if (validgsfbrem) {
               gsfPFRecTrackCollectionSecondary->push_back(secpftrack_);
               trueGsfPFRecTracks.push_back(secpftrack_);
             }
           }
         }
         GsfPFMap.insert(pair<unsigned int, std::vector<reco::GsfPFRecTrack> >(count_primary, trueGsfPFRecTracks));
         trueGsfPFRecTracks.clear();
         count_primary++;
       }
     }
   }
  
   const edm::OrphanHandle<GsfPFRecTrackCollection> gsfPfRefProd =
       iEvent.put(std::move(gsfPFRecTrackCollectionSecondary), "Secondary");
  
   //now the secondary GsfPFRecTracks are in the event, the Ref can be created
   createGsfPFRecTrackRef(gsfPfRefProd, primaryGsfPFRecTracks, GsfPFMap);
  
   for (unsigned int iGSF = 0; iGSF < primaryGsfPFRecTracks.size(); iGSF++) {
     gsfPFRecTrackCollection->push_back(primaryGsfPFRecTracks[iGSF]);
   }
   iEvent.put(std::move(gsfPFRecTrackCollection));
  
   selGsfPFRecTracks.clear();
   GsfPFMap.clear();
   primaryGsfPFRecTracks.clear();
  
   std::vector<double>().swap(gsfInnerMomentumCache_);
 }

References applyGsfClean_, applySel_, applySelection(), ALCARECOTkAlJpsiMuMu_cff::charge, convBremFinder_, createGsfPFRecTrackRef(), findPfRef(), edm::Ref< C, T, F >::get(), reco::PFRecTrack::GSF, gsfInnerMomentumCache_, gsfTrackLabel_, iEvent, cuy::ii, MultiTrajectoryStateTransform::innerStateOnSurface(), PFTrackAlgoTools::isFifthStep(), edm::Ref< C, T, F >::isNonnull(), TrajectoryStateOnSurface::isValid(), PV3DBase< T, PVType, FrameType >::mag(), modemomentum_, multiTrajectoryStateMode::momentumFromModeCartesian(), eostools::move(), mtsTransform_, pfConv_, pfConversions_cfi::pfConversions, pfEcalClusters_, pfNuclear_, pftrack_, pfTrackLabel_, pfTransformer_, pfV0_cfi::pfV0, pfV0_, primVtxLabel_, edm::Handle< T >::product(), resolveGsfTracks(), secpftrack_, trajinev_, useConversions_, useFifthStepForEcalDriven_, useFifthStepForTrackDriven_, useNuclear_, and useV0_.

◆ resolveGsfTracks()

bool PFElecTkProducer::resolveGsfTracks	(	const std::vector< reco::GsfPFRecTrack > &	GsfPFVec,
		unsigned int	ngsf,
		std::vector< unsigned int > &	secondaries,
		const reco::PFClusterCollection &	theEClus
	)

private

Definition at line 575 of file PFElecTkProducer.cc.

                                                                                  {
   bool debugCleaning = debugGsfCleaning_;
   bool n_keepGsf = true;
  
   const reco::GsfTrackRef& nGsfTrack = GsfPFVec[ngsf].gsfTrackRef();
  
   if (nGsfTrack->seedRef().get() == nullptr)
     return false;
   auto const& nElSeedFromRef = static_cast<ElectronSeed const&>(*(nGsfTrack->extra()->seedRef()));
  
   /* // now gotten from cache below
   TrajectoryStateOnSurface inTSOS = mtsTransform_.innerStateOnSurface((*nGsfTrack));
   GlobalVector ninnMom;
   float nPin =  nGsfTrack->pMode();
   if(inTSOS.isValid()){
     multiTrajectoryStateMode::momentumFromModeCartesian(inTSOS,ninnMom);
     nPin = ninnMom.mag();
   }
   */
   float nPin = gsfInnerMomentumCache_[nGsfTrack.key()];
  
   float neta = nGsfTrack->innerMomentum().eta();
   float nphi = nGsfTrack->innerMomentum().phi();
  
   if (debugCleaning)
     cout << " PFElecTkProducer:: considering track " << nGsfTrack->pt() << " eta,phi " << nGsfTrack->eta() << ", "
          << nGsfTrack->phi() << endl;
  
   for (unsigned int igsf = 0; igsf < GsfPFVec.size(); igsf++) {
     if (igsf != ngsf) {
       reco::GsfTrackRef iGsfTrack = GsfPFVec[igsf].gsfTrackRef();
  
       if (debugCleaning)
         cout << " PFElecTkProducer:: and  comparing with track " << iGsfTrack->pt() << " eta,phi " << iGsfTrack->eta()
              << ", " << iGsfTrack->phi() << endl;
  
       float ieta = iGsfTrack->innerMomentum().eta();
       float iphi = iGsfTrack->innerMomentum().phi();
       float feta = fabs(neta - ieta);
       float fphi = fabs(nphi - iphi);
       if (fphi > TMath::Pi())
         fphi -= TMath::TwoPi();
  
       // apply a superloose preselection only to avoid un-useful cpu time: hard-coded for this reason
       if (feta < 0.5 && fabs(fphi) < 1.0) {
         if (debugCleaning)
           cout << " Entering angular superloose preselection " << endl;
  
         /* //now taken from cache below
         TrajectoryStateOnSurface i_inTSOS = mtsTransform_.innerStateOnSurface((*iGsfTrack));
         GlobalVector i_innMom;
         float iPin = iGsfTrack->pMode();
         if(i_inTSOS.isValid()){
           multiTrajectoryStateMode::momentumFromModeCartesian(i_inTSOS,i_innMom);
           iPin = i_innMom.mag();
         }
         */
         float iPin = gsfInnerMomentumCache_[iGsfTrack.key()];
  
         if (iGsfTrack->seedRef().get() == nullptr)
           continue;
         auto const& iElSeedFromRef = static_cast<ElectronSeed const&>(*(iGsfTrack->extra()->seedRef()));
  
         float SCEnergy = -1.;
         // Check if two tracks match the same SC
         bool areBothGsfEcalDriven = false;
         ;
         bool isSameSC = isSameEgSC(nElSeedFromRef, iElSeedFromRef, areBothGsfEcalDriven, SCEnergy);
  
         // CASE1 both GsfTracks ecalDriven and match the same SC
         if (areBothGsfEcalDriven) {
           if (isSameSC) {
             float nEP = SCEnergy / nPin;
             float iEP = SCEnergy / iPin;
             if (debugCleaning)
               cout << " Entering SAME supercluster case "
                    << " nEP " << nEP << " iEP " << iEP << endl;
  
             // if same SC take the closest or if same
             // distance the best E/p
  
             // Innermost using LostHits technology
             bool isSameLayer = false;
             bool iGsfInnermostWithLostHits = isInnerMostWithLostHits(nGsfTrack, iGsfTrack, isSameLayer);
  
             if (debugCleaning)
               cout << " iGsf is InnerMostWithLostHits " << iGsfInnermostWithLostHits << " isSameLayer " << isSameLayer
                    << endl;
  
             if (iGsfInnermostWithLostHits) {
               n_keepGsf = false;
               return n_keepGsf;
             } else if (isSameLayer) {
               if (fabs(iEP - 1) < fabs(nEP - 1)) {
                 n_keepGsf = false;
                 return n_keepGsf;
               } else {
                 secondaries.push_back(igsf);
               }
             } else {
               // save secondaries gsf track (put selection)
               secondaries.push_back(igsf);
             }
           }  // end same SC case
         } else {
           // enter in the condition where at least one track is trackerDriven
           float minBremDphi = minTangDist(GsfPFVec[ngsf], GsfPFVec[igsf]);
           float nETot = 0.;
           float iETot = 0.;
           bool isBothGsfTrackerDriven = false;
           bool nEcalDriven = false;
           bool iEcalDriven = false;
           bool isSameScEgPf = isSharingEcalEnergyWithEgSC(GsfPFVec[ngsf],
                                                           GsfPFVec[igsf],
                                                           nElSeedFromRef,
                                                           iElSeedFromRef,
                                                           theEClus,
                                                           isBothGsfTrackerDriven,
                                                           nEcalDriven,
                                                           iEcalDriven,
                                                           nETot,
                                                           iETot);
  
           // check if the first hit of iGsfTrack < nGsfTrack
           bool isSameLayer = false;
           bool iGsfInnermostWithLostHits = isInnerMostWithLostHits(nGsfTrack, iGsfTrack, isSameLayer);
  
           if (isSameScEgPf) {
             // CASE 2 : One Gsf has reference to a SC and the other one not or both not
  
             if (debugCleaning) {
               cout << " Sharing ECAL energy passed "
                    << " nEtot " << nETot << " iEtot " << iETot << endl;
               if (isBothGsfTrackerDriven)
                 cout << " Both Track are trackerDriven " << endl;
             }
  
             // Innermost using LostHits technology
             if (iGsfInnermostWithLostHits) {
               n_keepGsf = false;
               return n_keepGsf;
             } else if (isSameLayer) {
               // Thirt Case:  One Gsf has reference to a SC and the other one not or both not
               // gsf tracks starts from the same layer
               // check number of sharing modules (at least 50%)
               // check number of sharing hits (at least 2)
               // check charge flip inner/outer
  
               // they share energy
               if (isBothGsfTrackerDriven == false) {
                 // if at least one Gsf track is EcalDriven choose that one.
                 if (iEcalDriven) {
                   n_keepGsf = false;
                   return n_keepGsf;
                 } else {
                   secondaries.push_back(igsf);
                 }
               } else {
                 // if both tracks are tracker driven choose that one with the best E/p
                 // with ETot = max(En,Ei)
  
                 float ETot = -1;
                 if (nETot != iETot) {
                   if (nETot > iETot)
                     ETot = nETot;
                   else
                     ETot = iETot;
                 } else {
                   ETot = nETot;
                 }
                 float nEP = ETot / nPin;
                 float iEP = ETot / iPin;
  
                 if (debugCleaning)
                   cout << " nETot " << nETot << " iETot " << iETot << " ETot " << ETot << endl
                        << " nPin " << nPin << " iPin " << iPin << " nEP " << nEP << " iEP " << iEP << endl;
  
                 if (fabs(iEP - 1) < fabs(nEP - 1)) {
                   n_keepGsf = false;
                   return n_keepGsf;
                 } else {
                   secondaries.push_back(igsf);
                 }
               }
             } else {
               secondaries.push_back(igsf);
             }
           } else if (feta < detaCutGsfClean_ && minBremDphi < dphiCutGsfClean_) {
             // very close tracks
             bool secPushedBack = false;
             if (nEcalDriven == false && nETot == 0.) {
               n_keepGsf = false;
               return n_keepGsf;
             } else if (iEcalDriven == false && iETot == 0.) {
               secondaries.push_back(igsf);
               secPushedBack = true;
             }
             if (debugCleaning)
               cout << " Close Tracks "
                    << " feta " << feta << " fabs(fphi) " << fabs(fphi) << " minBremDphi " << minBremDphi << " nETot "
                    << nETot << " iETot " << iETot << " nLostHits " << nGsfTrack->missingInnerHits() << " iLostHits "
                    << iGsfTrack->missingInnerHits() << endl;
  
             // apply selection only if one track has lost hits
             if (applyAngularGsfClean_) {
               if (iGsfInnermostWithLostHits) {
                 n_keepGsf = false;
                 return n_keepGsf;
               } else if (isSameLayer == false) {
                 if (secPushedBack == false)
                   secondaries.push_back(igsf);
               }
             }
           } else if (feta < 0.1 && minBremDphi < 0.2) {
             // failed all the conditions, discard only tracker driven tracks
             // with no PFClusters linked.
             if (debugCleaning)
               cout << " Close Tracks and failed all the conditions "
                    << " feta " << feta << " fabs(fphi) " << fabs(fphi) << " minBremDphi " << minBremDphi << " nETot "
                    << nETot << " iETot " << iETot << " nLostHits " << nGsfTrack->missingInnerHits() << " iLostHits "
                    << iGsfTrack->missingInnerHits() << endl;
  
             if (nEcalDriven == false && nETot == 0.) {
               n_keepGsf = false;
               return n_keepGsf;
             }
             // Here I do not push back the secondary because considered fakes...
           }
         }
       }
     }
   }
  
   return n_keepGsf;
 }