Inheritance diagram for pat::PATIsolatedTrackProducer:

Public Types
typedef pat::IsolatedTrack::LorentzVector	LorentzVector

typedef pat::IsolatedTrack::PolarLorentzVector	PolarLorentzVector

Public Types inherited from edm::stream::EDProducer<>
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

Public Member Functions
void	getCaloJetEnergy (const PolarLorentzVector &, const reco::CaloJetCollection *, float &, float &) const

float	getDeDx (const reco::DeDxHitInfo *hitInfo, bool doPixel, bool doStrip) const

void	getIsolation (const PolarLorentzVector &p4, const pat::PackedCandidateCollection *pc, int pc_idx, pat::PFIsolation &iso, pat::PFIsolation &miniiso) const

void	getNearestPCRef (const PolarLorentzVector &p4, const pat::PackedCandidateCollection *pc, int pc_idx, int &pc_ref_idx) const

bool	getPFLeptonOverlap (const PolarLorentzVector &p4, const pat::PackedCandidateCollection *pc) const

float	getPFNeutralSum (const PolarLorentzVector &p4, const pat::PackedCandidateCollection *pc, int pc_idx) const

TrackDetMatchInfo	getTrackDetMatchInfo (const edm::Event &, const edm::EventSetup &, const reco::Track &)

	PATIsolatedTrackProducer (const edm::ParameterSet &)

void	produce (edm::Event &, const edm::EventSetup &) override

	~PATIsolatedTrackProducer () override

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

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndRuns () const final

Private Attributes
const float	absIso_cut_

const bool	addPrescaledDeDxTracks_

const float	caloJet_DR_

const edm::EDGetTokenT< reco::CaloJetCollection >	caloJets_

const edm::EDGetTokenT< reco::DeDxHitInfoAss >	gt2dedxHitInfo_

const edm::EDGetTokenT< edm::ValueMap< int > >	gt2dedxHitInfoPrescale_

const edm::EDGetTokenT< edm::ValueMap< reco::DeDxData > >	gt2dedxPixel_

const edm::EDGetTokenT< edm::ValueMap< reco::DeDxData > >	gt2dedxStrip_

const edm::EDGetTokenT< edm::Association< pat::PackedCandidateCollection > >	gt2lt_

const edm::EDGetTokenT< edm::Association< pat::PackedCandidateCollection > >	gt2pc_

const edm::EDGetTokenT< reco::TrackCollection >	gt_

const edm::EDGetTokenT< pat::PackedCandidateCollection >	lt_

std::vector< double >	miniIsoParams_

const float	miniRelIso_cut_

const edm::EDGetTokenT< edm::Association< reco::PFCandidateCollection > >	pc2pf_

const edm::EDGetTokenT< pat::PackedCandidateCollection >	pc_

const float	pcRefNearest_DR_

const float	pcRefNearest_pTmin_

const float	pfIsolation_DR_

const float	pfIsolation_DZ_

const float	pflepoverlap_DR_

const float	pflepoverlap_pTmin_

const float	pfneutralsum_DR_

const float	pT_cut_

const float	pT_cut_noIso_

const edm::EDGetTokenT< reco::VertexCollection >	pv_

const float	relIso_cut_

const bool	saveDeDxHitInfo_

StringCutObjectSelector< pat::IsolatedTrack >	saveDeDxHitInfoCut_

TrackDetectorAssociator	trackAssociator_

TrackAssociatorParameters	trackAssocParameters_

const bool	usePrecomputedDeDxPixel_

const bool	usePrecomputedDeDxStrip_

Detailed Description

Definition at line 44 of file PATIsolatedTrackProducer.cc.

Member Typedef Documentation

◆ LorentzVector

typedef pat::IsolatedTrack::LorentzVector pat::PATIsolatedTrackProducer::LorentzVector

Definition at line 47 of file PATIsolatedTrackProducer.cc.

◆ PolarLorentzVector

typedef pat::IsolatedTrack::PolarLorentzVector pat::PATIsolatedTrackProducer::PolarLorentzVector

Definition at line 46 of file PATIsolatedTrackProducer.cc.

Constructor & Destructor Documentation

◆ PATIsolatedTrackProducer()

pat::PATIsolatedTrackProducer::PATIsolatedTrackProducer ( const edm::ParameterSet & iConfig )

explicit

Definition at line 115 of file PATIsolatedTrackProducer.cc.

     : pc_(consumes<pat::PackedCandidateCollection>(iConfig.getParameter<edm::InputTag>("packedPFCandidates"))),
       lt_(consumes<pat::PackedCandidateCollection>(iConfig.getParameter<edm::InputTag>("lostTracks"))),
       gt_(consumes<reco::TrackCollection>(iConfig.getParameter<edm::InputTag>("generalTracks"))),
       pv_(consumes<reco::VertexCollection>(iConfig.getParameter<edm::InputTag>("primaryVertices"))),
       gt2pc_(consumes<edm::Association<pat::PackedCandidateCollection>>(
           iConfig.getParameter<edm::InputTag>("packedPFCandidates"))),
       gt2lt_(consumes<edm::Association<pat::PackedCandidateCollection>>(
           iConfig.getParameter<edm::InputTag>("lostTracks"))),
       pc2pf_(consumes<edm::Association<reco::PFCandidateCollection>>(
           iConfig.getParameter<edm::InputTag>("packedPFCandidates"))),
       caloJets_(consumes<reco::CaloJetCollection>(iConfig.getParameter<edm::InputTag>("caloJets"))),
       gt2dedxStrip_(consumes<edm::ValueMap<reco::DeDxData>>(iConfig.getParameter<edm::InputTag>("dEdxDataStrip"))),
       gt2dedxPixel_(consumes<edm::ValueMap<reco::DeDxData>>(iConfig.getParameter<edm::InputTag>("dEdxDataPixel"))),
       gt2dedxHitInfo_(consumes<reco::DeDxHitInfoAss>(iConfig.getParameter<edm::InputTag>("dEdxHitInfo"))),
       addPrescaledDeDxTracks_(iConfig.getParameter<bool>("addPrescaledDeDxTracks")),
       gt2dedxHitInfoPrescale_(addPrescaledDeDxTracks_ ? consumes<edm::ValueMap<int>>(
                                                             iConfig.getParameter<edm::InputTag>("dEdxHitInfoPrescale"))
                                                       : edm::EDGetTokenT<edm::ValueMap<int>>()),
       usePrecomputedDeDxStrip_(iConfig.getParameter<bool>("usePrecomputedDeDxStrip")),
       usePrecomputedDeDxPixel_(iConfig.getParameter<bool>("usePrecomputedDeDxPixel")),
       pT_cut_(iConfig.getParameter<double>("pT_cut")),
       pT_cut_noIso_(iConfig.getParameter<double>("pT_cut_noIso")),
       pfIsolation_DR_(iConfig.getParameter<double>("pfIsolation_DR")),
       pfIsolation_DZ_(iConfig.getParameter<double>("pfIsolation_DZ")),
       absIso_cut_(iConfig.getParameter<double>("absIso_cut")),
       relIso_cut_(iConfig.getParameter<double>("relIso_cut")),
       miniRelIso_cut_(iConfig.getParameter<double>("miniRelIso_cut")),
       caloJet_DR_(iConfig.getParameter<double>("caloJet_DR")),
       pflepoverlap_DR_(iConfig.getParameter<double>("pflepoverlap_DR")),
       pflepoverlap_pTmin_(iConfig.getParameter<double>("pflepoverlap_pTmin")),
       pcRefNearest_DR_(iConfig.getParameter<double>("pcRefNearest_DR")),
       pcRefNearest_pTmin_(iConfig.getParameter<double>("pcRefNearest_pTmin")),
       pfneutralsum_DR_(iConfig.getParameter<double>("pfneutralsum_DR")),
       saveDeDxHitInfo_(iConfig.getParameter<bool>("saveDeDxHitInfo")),
       saveDeDxHitInfoCut_(iConfig.getParameter<std::string>("saveDeDxHitInfoCut")) {
   // TrackAssociator parameters
   edm::ParameterSet parameters = iConfig.getParameter<edm::ParameterSet>("TrackAssociatorParameters");
   edm::ConsumesCollector iC = consumesCollector();
   trackAssocParameters_.loadParameters(parameters, iC);
  
   trackAssociator_.useDefaultPropagator();
  
   miniIsoParams_ = iConfig.getParameter<std::vector<double>>("miniIsoParams");
   if (miniIsoParams_.size() != 3)
     throw cms::Exception("ParameterError") << "miniIsoParams must have exactly 3 elements.\n";
  
   produces<pat::IsolatedTrackCollection>();
  
   if (saveDeDxHitInfo_) {
     produces<reco::DeDxHitInfoCollection>();
     produces<reco::DeDxHitInfoAss>();
   }
 }

References edm::ParameterSet::getParameter(), TrackAssociatorParameters::loadParameters(), miniIsoParams_, saveDeDxHitInfo_, trackAssociator_, trackAssocParameters_, and TrackDetectorAssociator::useDefaultPropagator().

◆ ~PATIsolatedTrackProducer()

pat::PATIsolatedTrackProducer::~PATIsolatedTrackProducer ( )

override

Definition at line 170 of file PATIsolatedTrackProducer.cc.

170 {}

Member Function Documentation

◆ getCaloJetEnergy()

void pat::PATIsolatedTrackProducer::getCaloJetEnergy	(	const PolarLorentzVector &	p4,
		const reco::CaloJetCollection *	cJets,
		float &	caloJetEm,
		float &	caloJetHad
	)		const

Definition at line 756 of file PATIsolatedTrackProducer.cc.

                                                                               {
   float nearestDR = 999;
   int ind = -1;
   for (unsigned int i = 0; i < cJets->size(); i++) {
     float dR = deltaR(cJets->at(i), p4);
     if (dR < caloJet_DR_ && dR < nearestDR) {
       nearestDR = dR;
       ind = i;
     }
   }
  
   if (ind == -1) {
     caloJetEm = 0;
     caloJetHad = 0;
   } else {
     const reco::CaloJet& cJet = cJets->at(ind);
     caloJetEm = cJet.emEnergyInEB() + cJet.emEnergyInEE() + cJet.emEnergyInHF();
     caloJetHad = cJet.hadEnergyInHB() + cJet.hadEnergyInHE() + cJet.hadEnergyInHF();
   }
 }

References PbPb_ZMuSkimMuonDPG_cff::deltaR, HGC3DClusterGenMatchSelector_cfi::dR, reco::CaloJet::emEnergyInEB(), reco::CaloJet::emEnergyInEE(), reco::CaloJet::emEnergyInHF(), reco::CaloJet::hadEnergyInHB(), reco::CaloJet::hadEnergyInHE(), reco::CaloJet::hadEnergyInHF(), mps_fire::i, and p4.

◆ getDeDx()

float pat::PATIsolatedTrackProducer::getDeDx	(	const reco::DeDxHitInfo *	hitInfo,
		bool	doPixel,
		bool	doStrip
	)		const

Definition at line 698 of file PATIsolatedTrackProducer.cc.

                                                                                                            {
   if (hitInfo == nullptr) {
     return -1;
   }
  
   std::vector<float> charge_vec;
   for (unsigned int ih = 0; ih < hitInfo->size(); ih++) {
     bool isPixel = (hitInfo->pixelCluster(ih) != nullptr);
     bool isStrip = (hitInfo->stripCluster(ih) != nullptr);
  
     if (isPixel && !doPixel)
       continue;
     if (isStrip && !doStrip)
       continue;
  
     // probably shouldn't happen
     if (!isPixel && !isStrip)
       continue;
  
     // shape selection for strips
     if (isStrip && !DeDxTools::shapeSelection(*(hitInfo->stripCluster(ih))))
       continue;
  
     float Norm = 0;
     if (isPixel)
       Norm = 3.61e-06;  //compute the normalization factor to get the energy in MeV/mm
     if (isStrip)
       Norm = 3.61e-06 * 265;
  
     //save the dE/dx in MeV/mm to a vector.
     charge_vec.push_back(Norm * hitInfo->charge(ih) / hitInfo->pathlength(ih));
   }
  
   int size = charge_vec.size();
   float result = 0.0;
  
   //build the harmonic 2 dE/dx estimator
   float expo = -2;
   for (int i = 0; i < size; i++) {
     result += pow(charge_vec[i], expo);
   }
   result = (size > 0) ? pow(result / size, 1. / expo) : 0.0;
  
   return result;
 }

References reco::DeDxHitInfo::charge(), hltTrackClusterRemoverNew_cfi::doPixel, hltTrackClusterRemoverNew_cfi::doStrip, mps_fire::i, fastTrackerRecHitType::isPixel(), reco::DeDxHitInfo::pathlength(), reco::DeDxHitInfo::pixelCluster(), funct::pow(), mps_fire::result, DeDxTools::shapeSelection(), reco::DeDxHitInfo::size(), findQualityFiles::size, and reco::DeDxHitInfo::stripCluster().

◆ getIsolation()

void pat::PATIsolatedTrackProducer::getIsolation	(	const PolarLorentzVector &	p4,
		const pat::PackedCandidateCollection *	pc,
		int	pc_idx,
		pat::PFIsolation &	iso,
		pat::PFIsolation &	miniiso
	)		const

Definition at line 548 of file PATIsolatedTrackProducer.cc.

                                                                                 {
   float chiso = 0, nhiso = 0, phiso = 0, puiso = 0;      // standard isolation
   float chmiso = 0, nhmiso = 0, phmiso = 0, pumiso = 0;  // mini isolation
   float miniDR = std::max(miniIsoParams_[0], std::min(miniIsoParams_[1], miniIsoParams_[2] / p4.pt()));
   for (pat::PackedCandidateCollection::const_iterator pf_it = pc->begin(); pf_it != pc->end(); pf_it++) {
     if (int(pf_it - pc->begin()) == pc_idx)  //don't count itself
       continue;
     int id = std::abs(pf_it->pdgId());
     bool fromPV = (pf_it->fromPV() > 1 || fabs(pf_it->dz()) < pfIsolation_DZ_);
     float pt = pf_it->p4().pt();
     float dr = deltaR(p4, *pf_it);
  
     if (dr < pfIsolation_DR_) {
       // charged cands from PV get added to trackIso
       if (id == 211 && fromPV)
         chiso += pt;
       // charged cands not from PV get added to pileup iso
       else if (id == 211)
         puiso += pt;
       // neutral hadron iso
       if (id == 130)
         nhiso += pt;
       // photon iso
       if (id == 22)
         phiso += pt;
     }
     // same for mini isolation
     if (dr < miniDR) {
       if (id == 211 && fromPV)
         chmiso += pt;
       else if (id == 211)
         pumiso += pt;
       if (id == 130)
         nhmiso += pt;
       if (id == 22)
         phmiso += pt;
     }
   }
  
   iso = pat::PFIsolation(chiso, nhiso, phiso, puiso);
   miniiso = pat::PFIsolation(chmiso, nhmiso, phmiso, pumiso);
 }

References funct::abs(), PbPb_ZMuSkimMuonDPG_cff::deltaR, flavorHistoryFilter_cfi::dr, isotracks_cff::fromPV, SiStripPI::max, min(), p4, muons2muons_cfi::PFIsolation, and DiDispStaMuonMonitor_cfi::pt.

◆ getNearestPCRef()

void pat::PATIsolatedTrackProducer::getNearestPCRef	(	const PolarLorentzVector &	p4,
		const pat::PackedCandidateCollection *	pc,
		int	pc_idx,
		int &	pc_ref_idx
	)		const

Definition at line 630 of file PATIsolatedTrackProducer.cc.

                                                                            {
   float dr_min = pcRefNearest_DR_;
   float dr_min_pu = pcRefNearest_DR_;
   int pc_ref_idx_pu = -1;
   for (pat::PackedCandidateCollection::const_iterator pf_it = pc->begin(); pf_it != pc->end(); pf_it++) {
     if (int(pf_it - pc->begin()) == pc_idx)  //don't count itself
       continue;
     int charge = std::abs(pf_it->charge());
     bool fromPV = (pf_it->fromPV() > 1 || fabs(pf_it->dz()) < pfIsolation_DZ_);
     float pt = pf_it->p4().pt();
     float dr = deltaR(p4, *pf_it);
     if (charge == 0)  // exclude neutral candidates
       continue;
     if (pt < pcRefNearest_pTmin_)  // exclude candidates w/ pT below threshold
       continue;
     if (dr > dr_min && dr > dr_min_pu)  // exclude too far candidates
       continue;
  
     if (fromPV) {  // Priority to candidates from PV
       if (dr < dr_min) {
         dr_min = dr;
         pc_ref_idx = int(pf_it - pc->begin());
       }
     } else {  // Otherwise, store candidate from non-PV if no candidate from PV found
       if (dr < dr_min_pu) {
         dr_min_pu = dr;
         pc_ref_idx_pu = int(pf_it - pc->begin());
       }
     }
   }
  
   if (pc_ref_idx == -1 &&
       pc_ref_idx_pu != -1)  // If no candidate from PV was found, store candidate from non-PV (if found)
     pc_ref_idx = pc_ref_idx_pu;
 }

References funct::abs(), ALCARECOTkAlJpsiMuMu_cff::charge, PbPb_ZMuSkimMuonDPG_cff::deltaR, flavorHistoryFilter_cfi::dr, isotracks_cff::fromPV, createfilelist::int, p4, and DiDispStaMuonMonitor_cfi::pt.

◆ getPFLeptonOverlap()

bool pat::PATIsolatedTrackProducer::getPFLeptonOverlap	(	const PolarLorentzVector &	p4,
		const pat::PackedCandidateCollection *	pc
	)		const

Definition at line 596 of file PATIsolatedTrackProducer.cc.

                                                                                                      {
   bool isOverlap = false;
   float dr_min = pflepoverlap_DR_;
   int id_drmin = 0;
   for (const auto& pf : *pc) {
     int id = std::abs(pf.pdgId());
     int charge = std::abs(pf.charge());
     bool fromPV = (pf.fromPV() > 1 || std::abs(pf.dz()) < pfIsolation_DZ_);
     float pt = pf.pt();
     if (charge == 0)  // exclude neutral candidates
       continue;
     if (!(fromPV))  // exclude candidates not from PV
       continue;
     if (pt < pflepoverlap_pTmin_)  // exclude pf candidates w/ pT below threshold
       continue;
  
     float dr = deltaR(p4, pf);
     if (dr > pflepoverlap_DR_)  // exclude pf candidates far from isolated track
       continue;
  
     if (dr < dr_min) {
       dr_min = dr;
       id_drmin = id;
     }
   }
  
   if (dr_min < pflepoverlap_DR_ && (id_drmin == 11 || id_drmin == 13))
     isOverlap = true;
  
   return isOverlap;
 }

References funct::abs(), ALCARECOTkAlJpsiMuMu_cff::charge, PbPb_ZMuSkimMuonDPG_cff::deltaR, flavorHistoryFilter_cfi::dr, isotracks_cff::fromPV, triggerObjects_cff::id, p4, packedPFCandidateRefMixer_cfi::pf, and DiDispStaMuonMonitor_cfi::pt.

◆ getPFNeutralSum()

float pat::PATIsolatedTrackProducer::getPFNeutralSum	(	const PolarLorentzVector &	p4,
		const pat::PackedCandidateCollection *	pc,
		int	pc_idx
	)		const

Definition at line 670 of file PATIsolatedTrackProducer.cc.

                                                                        {
   float nsum = 0;
   float nhsum = 0, phsum = 0;
   for (pat::PackedCandidateCollection::const_iterator pf_it = pc->begin(); pf_it != pc->end(); pf_it++) {
     if (int(pf_it - pc->begin()) == pc_idx)  //don't count itself
       continue;
     int id = std::abs(pf_it->pdgId());
     float pt = pf_it->p4().pt();
     float dr = deltaR(p4, *pf_it);
  
     if (dr < pfneutralsum_DR_) {
       // neutral hadron sum
       if (id == 130)
         nhsum += pt;
       // photon iso
       if (id == 22)
         phsum += pt;
     }
   }
  
   nsum = nhsum + phsum;
  
   return nsum;
 }

References funct::abs(), PbPb_ZMuSkimMuonDPG_cff::deltaR, flavorHistoryFilter_cfi::dr, p4, and DiDispStaMuonMonitor_cfi::pt.

◆ getTrackDetMatchInfo()

TrackDetMatchInfo pat::PATIsolatedTrackProducer::getTrackDetMatchInfo	(	const edm::Event &	iEvent,
		const edm::EventSetup &	iSetup,
		const reco::Track &	track
	)

Definition at line 744 of file PATIsolatedTrackProducer.cc.

                                                                                               {
   edm::ESHandle<MagneticField> bField;
   iSetup.get<IdealMagneticFieldRecord>().get(bField);
   FreeTrajectoryState initialState = trajectoryStateTransform::initialFreeState(track, &*bField);
  
   // can't use the associate() using reco::Track directly, since
   // track->extra() is non-null but segfaults when trying to use it
   return trackAssociator_.associate(iEvent, iSetup, trackAssocParameters_, &initialState);
 }

References Calorimetry_cff::bField, edm::EventSetup::get(), get, iEvent, trajectoryStateTransform::initialFreeState(), and HLT_2018_cff::track.

◆ produce()

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

override

Definition at line 172 of file PATIsolatedTrackProducer.cc.

                                                                                        {
   // packedPFCandidate collection
   edm::Handle<pat::PackedCandidateCollection> pc_h;
   iEvent.getByToken(pc_, pc_h);
   const pat::PackedCandidateCollection* pc = pc_h.product();
  
   // lostTracks collection
   edm::Handle<pat::PackedCandidateCollection> lt_h;
   iEvent.getByToken(lt_, lt_h);
   const pat::PackedCandidateCollection* lt = lt_h.product();
  
   // generalTracks collection
   edm::Handle<reco::TrackCollection> gt_h;
   iEvent.getByToken(gt_, gt_h);
   const reco::TrackCollection* generalTracks = gt_h.product();
  
   // get the primary vertex
   edm::Handle<reco::VertexCollection> pvs;
   iEvent.getByToken(pv_, pvs);
   const reco::Vertex& pv = (*pvs)[0];
  
   // generalTracks-->packedPFCandidate association
   edm::Handle<edm::Association<pat::PackedCandidateCollection>> gt2pc;
   iEvent.getByToken(gt2pc_, gt2pc);
  
   // generalTracks-->lostTracks association
   edm::Handle<edm::Association<pat::PackedCandidateCollection>> gt2lt;
   iEvent.getByToken(gt2lt_, gt2lt);
  
   // packedPFCandidates-->particleFlow(reco::PFCandidate) association
   edm::Handle<edm::Association<reco::PFCandidateCollection>> pc2pf;
   iEvent.getByToken(pc2pf_, pc2pf);
  
   edm::Handle<reco::CaloJetCollection> caloJets;
   iEvent.getByToken(caloJets_, caloJets);
  
   // associate generalTracks with their DeDx data (estimator for strip dE/dx)
   edm::Handle<edm::ValueMap<reco::DeDxData>> gt2dedxStrip;
   iEvent.getByToken(gt2dedxStrip_, gt2dedxStrip);
  
   // associate generalTracks with their DeDx data (estimator for pixel dE/dx)
   edm::Handle<edm::ValueMap<reco::DeDxData>> gt2dedxPixel;
   iEvent.getByToken(gt2dedxPixel_, gt2dedxPixel);
  
   // associate generalTracks with their DeDx hit info (used to estimate pixel dE/dx)
   edm::Handle<reco::DeDxHitInfoAss> gt2dedxHitInfo;
   iEvent.getByToken(gt2dedxHitInfo_, gt2dedxHitInfo);
   edm::Handle<edm::ValueMap<int>> gt2dedxHitInfoPrescale;
   if (addPrescaledDeDxTracks_) {
     iEvent.getByToken(gt2dedxHitInfoPrescale_, gt2dedxHitInfoPrescale);
   }
  
   edm::ESHandle<HcalChannelQuality> hcalQ_h;
   iSetup.get<HcalChannelQualityRcd>().get("withTopo", hcalQ_h);
   const HcalChannelQuality* hcalQ = hcalQ_h.product();
  
   edm::ESHandle<EcalChannelStatus> ecalS_h;
   iSetup.get<EcalChannelStatusRcd>().get(ecalS_h);
   const EcalChannelStatus* ecalS = ecalS_h.product();
  
   auto outDeDxC = std::make_unique<reco::DeDxHitInfoCollection>();
   std::vector<int> dEdXass;
  
   auto outPtrP = std::make_unique<std::vector<pat::IsolatedTrack>>();
  
   //add general tracks
   for (unsigned int igt = 0; igt < generalTracks->size(); igt++) {
     const reco::Track& gentk = (*gt_h)[igt];
     reco::TrackRef tkref = reco::TrackRef(gt_h, igt);
     pat::PackedCandidateRef pcref = (*gt2pc)[tkref];
     pat::PackedCandidateRef ltref = (*gt2lt)[tkref];
     const pat::PackedCandidate* pfCand = pcref.get();
     const pat::PackedCandidate* lostTrack = ltref.get();
  
     // Determine if this general track is associated with anything in packedPFCandidates or lostTracks
     // Sometimes, a track gets associated w/ a neutral pfCand.
     // In this case, ignore the pfCand and take from lostTracks
     bool isInPackedCands = (pcref.isNonnull() && pcref.id() == pc_h.id() && pfCand->charge() != 0);
     bool isInLostTracks = (ltref.isNonnull() && ltref.id() == lt_h.id());
  
     PolarLorentzVector polarP4;
     LorentzVector p4;
     pat::PackedCandidateRef refToCand;
     int pdgId, charge, fromPV;
     float dz, dxy, dzError, dxyError;
     int pfCandInd;  //to avoid counting packedPFCands in their own isolation
     int ltCandInd;  //to avoid pointing lost track to itself when looking for closest
  
     // get the four-momentum and charge
     if (isInPackedCands) {
       p4 = pfCand->p4();
       polarP4 = pfCand->p4();
       charge = pfCand->charge();
       pfCandInd = pcref.key();
       ltCandInd = -1;
     } else if (isInLostTracks) {
       p4 = lostTrack->p4();
       polarP4 = lostTrack->p4();
       charge = lostTrack->charge();
       pfCandInd = -1;
       ltCandInd = ltref.key();
     } else {
       double m = 0.13957018;  //assume pion mass
       double E = sqrt(m * m + gentk.p() * gentk.p());
       p4.SetPxPyPzE(gentk.px(), gentk.py(), gentk.pz(), E);
       polarP4.SetCoordinates(gentk.pt(), gentk.eta(), gentk.phi(), m);
       charge = gentk.charge();
       pfCandInd = -1;
       ltCandInd = -1;
     }
  
     int prescaled = 0;
     if (addPrescaledDeDxTracks_) {
       const auto& dedxRef = (*gt2dedxHitInfo)[tkref];
       if (dedxRef.isNonnull()) {
         prescaled = (*gt2dedxHitInfoPrescale)[dedxRef];
       }
     }
  
     if (polarP4.pt() < pT_cut_ && prescaled <= 1)
       continue;
     if (charge == 0)
       continue;
  
     // get the isolation of the track
     pat::PFIsolation isolationDR03;
     pat::PFIsolation miniIso;
     getIsolation(polarP4, pc, pfCandInd, isolationDR03, miniIso);
  
     // isolation cut
     if (polarP4.pt() < pT_cut_noIso_ && prescaled <= 1 &&
         !(isolationDR03.chargedHadronIso() < absIso_cut_ ||
           isolationDR03.chargedHadronIso() / polarP4.pt() < relIso_cut_ ||
           miniIso.chargedHadronIso() / polarP4.pt() < miniRelIso_cut_))
       continue;
  
     // get the rest after the pt/iso cuts. Saves some runtime
     if (isInPackedCands) {
       pdgId = pfCand->pdgId();
       dz = pfCand->dz();
       dxy = pfCand->dxy();
       dzError = pfCand->hasTrackDetails() ? pfCand->dzError() : gentk.dzError();
       dxyError = pfCand->hasTrackDetails() ? pfCand->dxyError() : gentk.dxyError();
       fromPV = pfCand->fromPV();
       refToCand = pcref;
     } else if (isInLostTracks) {
       pdgId = lostTrack->pdgId();
       dz = lostTrack->dz();
       dxy = lostTrack->dxy();
       dzError = lostTrack->hasTrackDetails() ? lostTrack->dzError() : gentk.dzError();
       dxyError = lostTrack->hasTrackDetails() ? lostTrack->dxyError() : gentk.dxyError();
       fromPV = lostTrack->fromPV();
       refToCand = ltref;
     } else {
       pdgId = 0;
       dz = gentk.dz(pv.position());
       dxy = gentk.dxy(pv.position());
       dzError = gentk.dzError();
       dxyError = gentk.dxyError();
       fromPV = -1;
       refToCand = pat::PackedCandidateRef();  //NULL reference
     }
  
     float caloJetEm, caloJetHad;
     getCaloJetEnergy(polarP4, caloJets.product(), caloJetEm, caloJetHad);
  
     bool pfLepOverlap = getPFLeptonOverlap(polarP4, pc);
     float pfNeutralSum = getPFNeutralSum(polarP4, pc, pfCandInd);
  
     pat::PackedCandidateRef refToNearestPF = pat::PackedCandidateRef();
     int refToNearestPF_idx = -1;
     getNearestPCRef(polarP4, pc, pfCandInd, refToNearestPF_idx);
     if (refToNearestPF_idx != -1)
       refToNearestPF = pat::PackedCandidateRef(pc_h, refToNearestPF_idx);
  
     pat::PackedCandidateRef refToNearestLostTrack = pat::PackedCandidateRef();
     int refToNearestLostTrack_idx = -1;
     getNearestPCRef(polarP4, lt, ltCandInd, refToNearestLostTrack_idx);
     if (refToNearestLostTrack_idx != -1)
       refToNearestLostTrack = pat::PackedCandidateRef(lt_h, refToNearestLostTrack_idx);
  
     // if no dEdx info exists, just store -1
     float dEdxPixel = -1, dEdxStrip = -1;
     if (usePrecomputedDeDxStrip_ && gt2dedxStrip.isValid() && gt2dedxStrip->contains(tkref.id())) {
       dEdxStrip = (*gt2dedxStrip)[tkref].dEdx();
     } else if (gt2dedxHitInfo.isValid() && gt2dedxHitInfo->contains(tkref.id())) {
       const reco::DeDxHitInfo* hitInfo = (*gt2dedxHitInfo)[tkref].get();
       dEdxStrip = getDeDx(hitInfo, false, true);
     }
     if (usePrecomputedDeDxPixel_ && gt2dedxPixel.isValid() && gt2dedxPixel->contains(tkref.id())) {
       dEdxPixel = (*gt2dedxPixel)[tkref].dEdx();
     } else if (gt2dedxHitInfo.isValid() && gt2dedxHitInfo->contains(tkref.id())) {
       const reco::DeDxHitInfo* hitInfo = (*gt2dedxHitInfo)[tkref].get();
       dEdxPixel = getDeDx(hitInfo, true, false);
     }
  
     int trackQuality = gentk.qualityMask();
  
     // get the associated ecal/hcal detectors
     TrackDetMatchInfo trackDetInfo = getTrackDetMatchInfo(iEvent, iSetup, gentk);
  
     // fill ecal/hcal status vectors
     std::vector<uint32_t> crossedHcalStatus;
     for (auto const& did : trackDetInfo.crossedHcalIds) {
       crossedHcalStatus.push_back(hcalQ->getValues(did.rawId())->getValue());
     }
     std::vector<uint16_t> crossedEcalStatus;
     for (auto const& did : trackDetInfo.crossedEcalIds) {
       crossedEcalStatus.push_back(ecalS->find(did.rawId())->getStatusCode());
     }
  
     int deltaEta = int((trackDetInfo.trkGlobPosAtEcal.eta() - gentk.eta()) / 0.5 * 250);
     int deltaPhi = int((trackDetInfo.trkGlobPosAtEcal.phi() - gentk.phi()) / 0.5 * 250);
     if (deltaEta < -250)
       deltaEta = -250;
     if (deltaEta > 250)
       deltaEta = 250;
     if (deltaPhi < -250)
       deltaPhi = -250;
     if (deltaPhi > 250)
       deltaPhi = 250;
  
     outPtrP->push_back(pat::IsolatedTrack(isolationDR03,
                                           miniIso,
                                           caloJetEm,
                                           caloJetHad,
                                           pfLepOverlap,
                                           pfNeutralSum,
                                           p4,
                                           charge,
                                           pdgId,
                                           dz,
                                           dxy,
                                           dzError,
                                           dxyError,
                                           gentk.hitPattern(),
                                           dEdxStrip,
                                           dEdxPixel,
                                           fromPV,
                                           trackQuality,
                                           crossedEcalStatus,
                                           crossedHcalStatus,
                                           deltaEta,
                                           deltaPhi,
                                           refToCand,
                                           refToNearestPF,
                                           refToNearestLostTrack));
     outPtrP->back().setStatus(prescaled);
  
     if (saveDeDxHitInfo_) {
       const auto& dedxRef = (*gt2dedxHitInfo)[tkref];
       if (saveDeDxHitInfoCut_(outPtrP->back()) && dedxRef.isNonnull()) {
         outDeDxC->push_back(*dedxRef);
         dEdXass.push_back(outDeDxC->size() - 1);
       } else {
         dEdXass.push_back(-1);
       }
     }
   }
  
   // there are some number of pfcandidates with no associated track
   // (mostly electrons, with a handful of muons)
   // here we find these and store. Track-specific variables get some default values
   for (unsigned int ipc = 0; ipc < pc->size(); ipc++) {
     const pat::PackedCandidate& pfCand = pc->at(ipc);
     pat::PackedCandidateRef pcref = pat::PackedCandidateRef(pc_h, ipc);
     reco::PFCandidateRef pfref = (*pc2pf)[pcref];
  
     // already counted if it has a track reference in the generalTracks collection
     if (pfref.get()->trackRef().isNonnull() && pfref.get()->trackRef().id() == gt_h.id())
       continue;
  
     PolarLorentzVector polarP4;
     pat::PackedCandidateRef refToCand;
     int pdgId, charge, fromPV;
     float dz, dxy, dzError, dxyError;
  
     polarP4 = pfCand.polarP4();
     charge = pfCand.charge();
  
     if (polarP4.pt() < pT_cut_)
       continue;
     if (charge == 0)
       continue;
  
     // get the isolation of the track
     pat::PFIsolation isolationDR03;
     pat::PFIsolation miniIso;
     getIsolation(polarP4, pc, ipc, isolationDR03, miniIso);
  
     // isolation cut
     if (polarP4.pt() < pT_cut_noIso_ && !(isolationDR03.chargedHadronIso() < absIso_cut_ ||
                                           isolationDR03.chargedHadronIso() / polarP4.pt() < relIso_cut_ ||
                                           miniIso.chargedHadronIso() / polarP4.pt() < miniRelIso_cut_))
       continue;
  
     pdgId = pfCand.pdgId();
     dz = pfCand.dz();
     dxy = pfCand.dxy();
     if (pfCand.hasTrackDetails()) {
       dzError = pfCand.dzError();
       dxyError = pfCand.dxyError();
     } else {
       dzError = 0;
       dxyError = 0;
     }
     fromPV = pfCand.fromPV();
     refToCand = pcref;
  
     float caloJetEm, caloJetHad;
     getCaloJetEnergy(polarP4, caloJets.product(), caloJetEm, caloJetHad);
  
     bool pfLepOverlap = getPFLeptonOverlap(polarP4, pc);
     float pfNeutralSum = getPFNeutralSum(polarP4, pc, ipc);
  
     pat::PackedCandidateRef refToNearestPF = pat::PackedCandidateRef();
     int refToNearestPF_idx = -1;
     getNearestPCRef(polarP4, pc, ipc, refToNearestPF_idx);
     if (refToNearestPF_idx != -1)
       refToNearestPF = pat::PackedCandidateRef(pc_h, refToNearestPF_idx);
  
     pat::PackedCandidateRef refToNearestLostTrack = pat::PackedCandidateRef();
     int refToNearestLostTrack_idx = -1;
     getNearestPCRef(polarP4, lt, -1, refToNearestLostTrack_idx);
     if (refToNearestLostTrack_idx != -1)
       refToNearestLostTrack = pat::PackedCandidateRef(lt_h, refToNearestLostTrack_idx);
  
     // fill with default values
     reco::HitPattern hp;
     float dEdxPixel = -1, dEdxStrip = -1;
     int trackQuality = 0;
     std::vector<uint16_t> ecalStatus;
     std::vector<uint32_t> hcalStatus;
     int deltaEta = 0;
     int deltaPhi = 0;
  
     outPtrP->push_back(pat::IsolatedTrack(isolationDR03,
                                           miniIso,
                                           caloJetEm,
                                           caloJetHad,
                                           pfLepOverlap,
                                           pfNeutralSum,
                                           pfCand.p4(),
                                           charge,
                                           pdgId,
                                           dz,
                                           dxy,
                                           dzError,
                                           dxyError,
                                           hp,
                                           dEdxStrip,
                                           dEdxPixel,
                                           fromPV,
                                           trackQuality,
                                           ecalStatus,
                                           hcalStatus,
                                           deltaEta,
                                           deltaPhi,
                                           refToCand,
                                           refToNearestPF,
                                           refToNearestLostTrack));
  
     dEdXass.push_back(-1);  // these never have dE/dx hit info, as there's no track
   }
  
   auto orphHandle = iEvent.put(std::move(outPtrP));
   if (saveDeDxHitInfo_) {
     auto dedxOH = iEvent.put(std::move(outDeDxC));
     auto dedxMatch = std::make_unique<reco::DeDxHitInfoAss>(dedxOH);
     reco::DeDxHitInfoAss::Filler filler(*dedxMatch);
     filler.insert(orphHandle, dEdXass.begin(), dEdXass.end());
     filler.fill();
     iEvent.put(std::move(dedxMatch));
   }
 }