#include <ConversionProducer.h>

Inheritance diagram for ConversionProducer:

Public Member Functions
	ConversionProducer (const edm::ParameterSet &)

	~ConversionProducer () 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 Types
typedef math::XYZPointF	Point

typedef std::vector< Point >	PointCollection

Private Member Functions
void	buildCollection (edm::Event &iEvent, const edm::EventSetup &iSetup, const std::multimap< float, edm::Ptr< reco::ConversionTrack > > &allTracks, const std::multimap< double, reco::CaloClusterPtr > &superClusterPtrs, const std::multimap< double, reco::CaloClusterPtr > &basicClusterPtrs, const reco::Vertex &the_pvtx, reco::ConversionCollection &outputConvPhotonCollection)

void	buildSuperAndBasicClusterGeoMap (const edm::Event &, std::multimap< double, reco::CaloClusterPtr > &basicClusterPtrs, std::multimap< double, reco::CaloClusterPtr > &superClusterPtrs)

bool	checkPhi (const edm::RefToBase< reco::Track > &tk_l, const edm::RefToBase< reco::Track > &tk_r, const TrackerGeometry trackerGeom, const MagneticField magField, const reco::Vertex &the_vertex)

bool	checkTrackPair (const std::pair< edm::RefToBase< reco::Track >, reco::CaloClusterPtr > &ll, const std::pair< edm::RefToBase< reco::Track >, reco::CaloClusterPtr > &rr)

bool	checkVertex (const reco::TransientTrack &ttk_l, const reco::TransientTrack &ttk_r, const MagneticField *magField, reco::Vertex &the_vertex)

double	etaTransformation (float EtaParticle, float Zvertex)

bool	getMatchedBC (const std::multimap< double, reco::CaloClusterPtr > &bcMap, const math::XYZPointF &trackImpactPosition, reco::CaloClusterPtr &closestBC)

bool	getTrackImpactPosition (const reco::Track tk_ref, const TrackerGeometry trackerGeom, const MagneticField *magField, math::XYZPointF &ew)

bool	matchingSC (const std::multimap< double, reco::CaloClusterPtr > &scMap, reco::Conversion &conv, reco::CaloClusterPtrVector &mSC)

bool	preselectTrackPair (const reco::TransientTrack &ttk_l, const reco::TransientTrack &ttk_r, double &appDist)

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

math::XYZPointF	toFConverterP (const math::XYZPoint &val)

math::XYZVectorF	toFConverterV (const math::XYZVector &val)

bool	trackD0Cut (const edm::RefToBase< reco::Track > &ref)

bool	trackD0Cut (const edm::RefToBase< reco::Track > &ref, const reco::Vertex &the_pvtx)

bool	trackQualityFilter (const edm::RefToBase< reco::Track > &ref, bool isLeft)

Private Attributes
std::string	algoName_

bool	allowD0_

bool	allowDeltaCot_

bool	allowDeltaPhi_

bool	allowMinApproach_

bool	allowOppCharge_

bool	allowSingleLeg_

bool	allowTrackBC_

bool	allowVertex_

edm::EDGetTokenT< edm::View< reco::CaloCluster > >	bcBarrelCollection_

edm::EDGetTokenT< edm::View< reco::CaloCluster > >	bcEndcapCollection_

bool	bypassPreselEcal_

bool	bypassPreselEcalEcal_

bool	bypassPreselGsf_

std::string	ConvertedPhotonCollection_

double	d0Cut_

double	deltaCotTheta_

double	deltaEta_

double	deltaPhi_

double	dEtacutForSCmatching_

double	dEtaTkBC_

double	dPhicutForSCmatching_

double	dPhiTkBC_

double	dzCut_

double	energyBC_

double	energyTotalBC_

double	halfWayEta_

double	halfWayPhi_

double	maxChi2Left_

double	maxChi2Right_

unsigned int	maxNumOfTrackInPU_

double	maxTrackRho_

double	maxTrackZ_

double	minApproachHigh_

double	minApproachLow_

double	minHitsLeft_

double	minHitsRight_

double	minSCEt_

double	r_cut

bool	rightBC_

edm::EDGetTokenT< edm::View< reco::CaloCluster > >	scBarrelProducer_

edm::EDGetTokenT< edm::View< reco::CaloCluster > >	scEndcapProducer_

edm::EDGetTokenT< edm::View< reco::ConversionTrack > >	src_

const TransientTrackBuilder *	thettbuilder_

ConversionVertexFinder *	theVertexFinder_

bool	usePvtx_

edm::EDGetTokenT< reco::VertexCollection >	vertexProducer_

double	vtxChi2_

Additional Inherited Members
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

Detailed Description

$Id:

Authors: H. Liu, UC of Riverside US, N. Marinelli Univ of Notre Dame

Description: Produces converted photon objects using default track collections

Implementation: <Notes on="" implementation>="">

Definition at line 64 of file ConversionProducer.h.

Member Typedef Documentation

◆ Point

typedef math::XYZPointF ConversionProducer::Point

private

Definition at line 79 of file ConversionProducer.h.

◆ PointCollection

typedef std::vector<Point> ConversionProducer::PointCollection

private

Definition at line 80 of file ConversionProducer.h.

Constructor & Destructor Documentation

◆ ConversionProducer()

ConversionProducer::ConversionProducer ( const edm::ParameterSet & iConfig )

explicit

Definition at line 67 of file ConversionProducer.cc.

     : theVertexFinder_(nullptr)
  
 {
   algoName_ = iConfig.getParameter<std::string>("AlgorithmName");
  
   src_ = consumes<edm::View<reco::ConversionTrack> >(iConfig.getParameter<edm::InputTag>("src"));
  
   maxNumOfTrackInPU_ = iConfig.getParameter<int>("maxNumOfTrackInPU");
   maxTrackRho_ = iConfig.getParameter<double>("maxTrackRho");
   maxTrackZ_ = iConfig.getParameter<double>("maxTrackZ");
  
   allowTrackBC_ = iConfig.getParameter<bool>("AllowTrackBC");
   allowD0_ = iConfig.getParameter<bool>("AllowD0");
   allowDeltaPhi_ = iConfig.getParameter<bool>("AllowDeltaPhi");
   allowDeltaCot_ = iConfig.getParameter<bool>("AllowDeltaCot");
   allowMinApproach_ = iConfig.getParameter<bool>("AllowMinApproach");
   allowOppCharge_ = iConfig.getParameter<bool>("AllowOppCharge");
  
   allowVertex_ = iConfig.getParameter<bool>("AllowVertex");
  
   bypassPreselGsf_ = iConfig.getParameter<bool>("bypassPreselGsf");
   bypassPreselEcal_ = iConfig.getParameter<bool>("bypassPreselEcal");
   bypassPreselEcalEcal_ = iConfig.getParameter<bool>("bypassPreselEcalEcal");
  
   deltaEta_ = iConfig.getParameter<double>("deltaEta");
  
   halfWayEta_ = iConfig.getParameter<double>("HalfwayEta");  //open angle to search track matches with BC
  
   d0Cut_ = iConfig.getParameter<double>("d0");
  
   usePvtx_ = iConfig.getParameter<bool>("UsePvtx");  //if use primary vertices
  
   vertexProducer_ = consumes<reco::VertexCollection>(iConfig.getParameter<edm::InputTag>("primaryVertexProducer"));
  
   //Track-cluster matching eta and phi cuts
   dEtaTkBC_ = iConfig.getParameter<double>("dEtaTrackBC");  //TODO research on cut endcap/barrel
   dPhiTkBC_ = iConfig.getParameter<double>("dPhiTrackBC");
  
   bcBarrelCollection_ =
       consumes<edm::View<reco::CaloCluster> >(iConfig.getParameter<edm::InputTag>("bcBarrelCollection"));
   bcEndcapCollection_ =
       consumes<edm::View<reco::CaloCluster> >(iConfig.getParameter<edm::InputTag>("bcEndcapCollection"));
  
   scBarrelProducer_ = consumes<edm::View<reco::CaloCluster> >(iConfig.getParameter<edm::InputTag>("scBarrelProducer"));
   scEndcapProducer_ = consumes<edm::View<reco::CaloCluster> >(iConfig.getParameter<edm::InputTag>("scEndcapProducer"));
  
   energyBC_ = iConfig.getParameter<double>("EnergyBC");            //BC energy threshold
   energyTotalBC_ = iConfig.getParameter<double>("EnergyTotalBC");  //BC energy threshold
   minSCEt_ = iConfig.getParameter<double>("minSCEt");              //super cluster energy threshold
   dEtacutForSCmatching_ = iConfig.getParameter<double>(
       "dEtacutForSCmatching");  // dEta between conversion momentum direction and SC position
   dPhicutForSCmatching_ = iConfig.getParameter<double>(
       "dPhicutForSCmatching");  // dPhi between conversion momentum direction and SC position
  
   //Track cuts on left right track: at least one leg reaches ECAL
   //Left track: must exist, must reach Ecal and match BC, so loose cut on Chi2 and tight on hits
   //Right track: not necessary to exist (if allowSingleLeg_), not necessary to reach ECAL or match BC, so tight cut on Chi2 and loose on hits
   maxChi2Left_ = iConfig.getParameter<double>("MaxChi2Left");
   maxChi2Right_ = iConfig.getParameter<double>("MaxChi2Right");
   minHitsLeft_ = iConfig.getParameter<int>("MinHitsLeft");
   minHitsRight_ = iConfig.getParameter<int>("MinHitsRight");
  
   //Track Open angle cut on delta cot(theta) and delta phi
   deltaCotTheta_ = iConfig.getParameter<double>("DeltaCotTheta");
   deltaPhi_ = iConfig.getParameter<double>("DeltaPhi");
   minApproachLow_ = iConfig.getParameter<double>("MinApproachLow");
   minApproachHigh_ = iConfig.getParameter<double>("MinApproachHigh");
  
   // if allow single track collection, by default False
   allowSingleLeg_ = iConfig.getParameter<bool>("AllowSingleLeg");
   rightBC_ = iConfig.getParameter<bool>("AllowRightBC");
  
   //track inner position dz cut, need RECO
   dzCut_ = iConfig.getParameter<double>("dz");
   //track analytical cross cut
   r_cut = iConfig.getParameter<double>("rCut");
   vtxChi2_ = iConfig.getParameter<double>("vtxChi2");
  
   theVertexFinder_ = new ConversionVertexFinder(iConfig);
  
   thettbuilder_ = nullptr;
  
   //output
   ConvertedPhotonCollection_ = iConfig.getParameter<std::string>("convertedPhotonCollection");
  
   produces<reco::ConversionCollection>(ConvertedPhotonCollection_);
 }

References algoName_, allowD0_, allowDeltaCot_, allowDeltaPhi_, allowMinApproach_, allowOppCharge_, allowSingleLeg_, allowTrackBC_, allowVertex_, bcBarrelCollection_, bcEndcapCollection_, bypassPreselEcal_, bypassPreselEcalEcal_, bypassPreselGsf_, ConvertedPhotonCollection_, d0Cut_, deltaCotTheta_, deltaEta_, deltaPhi_, dEtacutForSCmatching_, dEtaTkBC_, dPhicutForSCmatching_, dPhiTkBC_, dzCut_, energyBC_, energyTotalBC_, edm::ParameterSet::getParameter(), halfWayEta_, maxChi2Left_, maxChi2Right_, maxNumOfTrackInPU_, maxTrackRho_, maxTrackZ_, minApproachHigh_, minApproachLow_, minHitsLeft_, minHitsRight_, minSCEt_, r_cut, rightBC_, scBarrelProducer_, scEndcapProducer_, src_, AlCaHLTBitMon_QueryRunRegistry::string, thettbuilder_, theVertexFinder_, usePvtx_, vertexProducer_, and vtxChi2_.

◆ ~ConversionProducer()

ConversionProducer::~ConversionProducer ( )

override

Definition at line 156 of file ConversionProducer.cc.

                                         {
   // do anything here that needs to be done at desctruction time
   // (e.g. close files, deallocate resources etc.)
   delete theVertexFinder_;
 }

References theVertexFinder_.

Member Function Documentation

◆ buildCollection()

void ConversionProducer::buildCollection	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup,
		const std::multimap< float, edm::Ptr< reco::ConversionTrack > > &	allTracks,
		const std::multimap< double, reco::CaloClusterPtr > &	superClusterPtrs,
		const std::multimap< double, reco::CaloClusterPtr > &	basicClusterPtrs,
		const reco::Vertex &	the_pvtx,
		reco::ConversionCollection &	outputConvPhotonCollection
	)

private

match the track pair with a SC. If at least one track matches, store the SC

Definition at line 274 of file ConversionProducer.cc.

                                                                                                {
   edm::ESHandle<TrackerGeometry> trackerGeomHandle;
   edm::ESHandle<MagneticField> magFieldHandle;
   iSetup.get<TrackerDigiGeometryRecord>().get(trackerGeomHandle);
   iSetup.get<IdealMagneticFieldRecord>().get(magFieldHandle);
  
   const TrackerGeometry* trackerGeom = trackerGeomHandle.product();
   const MagneticField* magField = magFieldHandle.product();
  
   //   std::vector<math::XYZPointF> trackImpactPosition;
   //   trackImpactPosition.reserve(allTracks.size());//track impact position at ECAL
   //   std::vector<bool> trackValidECAL;//Does this track reach ECAL basic cluster (reach ECAL && match with BC)
   //   trackValidECAL.assign(allTracks.size(), false);
   //
   //   std::vector<reco::CaloClusterPtr> trackMatchedBC;
   //   reco::CaloClusterPtr empty_bc;
   //   trackMatchedBC.assign(allTracks.size(), empty_bc);//TODO find a better way to avoid copy constructor
   //
   //   std::vector<int> bcHandleId;//the associated BC handle id, -1 invalid, 0 barrel 1 endcap
   //   bcHandleId.assign(allTracks.size(), -1);
  
   // not used    std::multimap<double, int> trackInnerEta;//Track innermost state Eta map to TrackRef index, to be used in track pair sorting
  
   std::map<edm::Ptr<reco::ConversionTrack>, math::XYZPointF> trackImpactPosition;
   std::map<edm::Ptr<reco::ConversionTrack>, reco::CaloClusterPtr> trackMatchedBC;
  
   ConversionHitChecker hitChecker;
  
   //2 propagate all tracks into ECAL, record its eta and phi
  
   for (std::multimap<float, edm::Ptr<reco::ConversionTrack> >::const_iterator tk_ref = allTracks.begin();
        tk_ref != allTracks.end();
        ++tk_ref) {
     const reco::Track* tk = tk_ref->second->trackRef().get();
  
     //check impact position then match with BC
     math::XYZPointF ew;
     if (getTrackImpactPosition(tk, trackerGeom, magField, ew)) {
       trackImpactPosition[tk_ref->second] = ew;
  
       reco::CaloClusterPtr closest_bc;  //the closest matching BC to track
  
       if (getMatchedBC(basicClusterPtrs, ew, closest_bc)) {
         trackMatchedBC[tk_ref->second] = closest_bc;
       }
     }
   }
  
   //3. pair up tracks:
   //TODO it is k-Closest pair of point problem
   //std::cout << " allTracks.size() " <<  allTracks.size() << std::endl;
   for (std::multimap<float, edm::Ptr<reco::ConversionTrack> >::const_iterator ll = allTracks.begin();
        ll != allTracks.end();
        ++ll) {
     bool track1HighPurity = true;
     //std::cout << " Loop on allTracks " << std::endl;
     const edm::RefToBase<reco::Track>& left = ll->second->trackRef();
  
     //TODO: This is a workaround, should be fixed with a proper function in the TTBuilder
     //(Note that the TrackRef and GsfTrackRef versions of the constructor are needed
     // to properly get refit tracks in the output vertex)
     reco::TransientTrack ttk_l;
     if (dynamic_cast<const reco::GsfTrack*>(left.get())) {
       ttk_l = thettbuilder_->build(left.castTo<reco::GsfTrackRef>());
     } else {
       ttk_l = thettbuilder_->build(left.castTo<reco::TrackRef>());
     }
  
     //      if ((allowTrackBC_ && !trackValidECAL[ll-allTracks.begin()]) )//this Left leg should have valid BC
     // continue;
  
     if (the_pvtx.isValid()) {
       if (!(trackD0Cut(left, the_pvtx)))
         track1HighPurity = false;
     } else {
       if (!(trackD0Cut(left)))
         track1HighPurity = false;
     }
  
     std::vector<int> right_candidates;  //store all right legs passed the cut (theta/approach and ref pair)
     std::vector<double> right_candidate_theta, right_candidate_approach;
     std::vector<std::pair<bool, reco::Vertex> > vertex_candidates;
  
     //inner loop only over tracks between eta and eta + deltaEta of the first track
     float etasearch = ll->first + deltaEta_;
     std::multimap<float, edm::Ptr<reco::ConversionTrack> >::const_iterator rr = ll;
     ++rr;
     for (; rr != allTracks.lower_bound(etasearch); ++rr) {
       bool track2HighPurity = true;
       bool highPurityPair = true;
  
       const edm::RefToBase<reco::Track>& right = rr->second->trackRef();
  
       //TODO: This is a workaround, should be fixed with a proper function in the TTBuilder
       reco::TransientTrack ttk_r;
       if (dynamic_cast<const reco::GsfTrack*>(right.get())) {
         ttk_r = thettbuilder_->build(right.castTo<reco::GsfTrackRef>());
       } else {
         ttk_r = thettbuilder_->build(right.castTo<reco::TrackRef>());
       }
       //std::cout << " This track is " <<  right->algoName() << std::endl;
  
       //all vertexing preselection should go here
  
       //check for opposite charge
       if (allowOppCharge_ && (left->charge() * right->charge() > 0))
         continue;  //same sign, reject pair
  
       //if ( (allowTrackBC_ && !trackValidECAL[rr-allTracks.begin()] && rightBC_) )// if right track matches ECAL
       //  continue;
  
       double approachDist = -999.;
       //apply preselection to track pair, overriding preselection for gsf+X or ecalseeded+X pairs if so configured
       bool preselected = preselectTrackPair(ttk_l, ttk_r, approachDist);
       preselected = preselected || (bypassPreselGsf_ &&
                                     (left->algo() == reco::TrackBase::gsf || right->algo() == reco::TrackBase::gsf));
       preselected = preselected || (bypassPreselEcal_ && (left->algo() == reco::TrackBase::outInEcalSeededConv ||
                                                           right->algo() == reco::TrackBase::outInEcalSeededConv ||
                                                           left->algo() == reco::TrackBase::inOutEcalSeededConv ||
                                                           right->algo() == reco::TrackBase::inOutEcalSeededConv));
       preselected = preselected || (bypassPreselEcalEcal_ &&
                                     (left->algo() == reco::TrackBase::outInEcalSeededConv ||
                                      left->algo() == reco::TrackBase::inOutEcalSeededConv) &&
                                     (right->algo() == reco::TrackBase::outInEcalSeededConv ||
                                      right->algo() == reco::TrackBase::inOutEcalSeededConv));
  
       if (!preselected) {
         continue;
       }
  
       //do the actual vertex fit
       reco::Vertex theConversionVertex;  //by default it is invalid
       bool goodVertex = checkVertex(ttk_l, ttk_r, magField, theConversionVertex);
  
       //bail as early as possible in case the fit didn't return a good vertex
       if (!goodVertex) {
         continue;
       }
  
       //track pair pass the quality cut
       if (!((trackQualityFilter(left, true) && trackQualityFilter(right, false)) ||
             (trackQualityFilter(left, false) && trackQualityFilter(right, true)))) {
         highPurityPair = false;
       }
  
       if (the_pvtx.isValid()) {
         if (!(trackD0Cut(right, the_pvtx)))
           track2HighPurity = false;
       } else {
         if (!(trackD0Cut(right)))
           track2HighPurity = false;
       }
  
       //if all cuts passed, go ahead to make conversion candidates
       std::vector<edm::RefToBase<reco::Track> > trackPairRef;
       trackPairRef.push_back(left);   //left track
       trackPairRef.push_back(right);  //right track
  
       std::vector<math::XYZVectorF> trackPin;
       std::vector<math::XYZVectorF> trackPout;
       std::vector<math::XYZPointF> trackInnPos;
       std::vector<uint8_t> nHitsBeforeVtx;
       std::vector<Measurement1DFloat> dlClosestHitToVtx;
  
       if (left->extra().isNonnull() && right->extra().isNonnull()) {  //only available on TrackExtra
         trackInnPos.push_back(toFConverterP(left->innerPosition()));
         trackInnPos.push_back(toFConverterP(right->innerPosition()));
         trackPin.push_back(toFConverterV(left->innerMomentum()));
         trackPin.push_back(toFConverterV(right->innerMomentum()));
         trackPout.push_back(toFConverterV(left->outerMomentum()));
         trackPout.push_back(toFConverterV(right->outerMomentum()));
         auto leftWrongHits = hitChecker.nHitsBeforeVtx(*left->extra(), theConversionVertex);
         auto rightWrongHits = hitChecker.nHitsBeforeVtx(*right->extra(), theConversionVertex);
         nHitsBeforeVtx.push_back(leftWrongHits.first);
         nHitsBeforeVtx.push_back(rightWrongHits.first);
         dlClosestHitToVtx.push_back(leftWrongHits.second);
         dlClosestHitToVtx.push_back(rightWrongHits.second);
       }
  
       uint8_t nSharedHits = hitChecker.nSharedHits(*left.get(), *right.get());
  
       //if using kinematic fit, check with chi2 post cut
       if (theConversionVertex.isValid()) {
         const float chi2Prob = ChiSquaredProbability(theConversionVertex.chi2(), theConversionVertex.ndof());
         if (chi2Prob < vtxChi2_)
           highPurityPair = false;
       }
  
       //std::cout << "  highPurityPair after vertex cut " <<  highPurityPair << std::endl;
       std::vector<math::XYZPointF> trkPositionAtEcal;
       std::vector<reco::CaloClusterPtr> matchingBC;
  
       if (allowTrackBC_) {  //TODO find out the BC ptrs if not doing matching, otherwise, leave it empty
         //const int lbc_handle = bcHandleId[ll-allTracks.begin()],
         //        rbc_handle = bcHandleId[rr-allTracks.begin()];
  
         std::map<edm::Ptr<reco::ConversionTrack>, math::XYZPointF>::const_iterator trackImpactPositionLeft =
             trackImpactPosition.find(ll->second);
         std::map<edm::Ptr<reco::ConversionTrack>, math::XYZPointF>::const_iterator trackImpactPositionRight =
             trackImpactPosition.find(rr->second);
         std::map<edm::Ptr<reco::ConversionTrack>, reco::CaloClusterPtr>::const_iterator trackMatchedBCLeft =
             trackMatchedBC.find(ll->second);
         std::map<edm::Ptr<reco::ConversionTrack>, reco::CaloClusterPtr>::const_iterator trackMatchedBCRight =
             trackMatchedBC.find(rr->second);
  
         if (trackImpactPositionLeft != trackImpactPosition.end()) {
           trkPositionAtEcal.push_back(trackImpactPositionLeft->second);  //left track
         } else {
           trkPositionAtEcal.push_back(math::XYZPointF());  //left track
         }
         if (trackImpactPositionRight != trackImpactPosition.end()) {  //second track ECAL position may be invalid
           trkPositionAtEcal.push_back(trackImpactPositionRight->second);
         }
  
         double total_e_bc = 0.;
         if (trackMatchedBCLeft != trackMatchedBC.end()) {
           matchingBC.push_back(trackMatchedBCLeft->second);  //left track
           total_e_bc += trackMatchedBCLeft->second->energy();
         } else {
           matchingBC.push_back(reco::CaloClusterPtr());  //left track
         }
         if (trackMatchedBCRight != trackMatchedBC.end()) {  //second track ECAL position may be invalid
           matchingBC.push_back(trackMatchedBCRight->second);
           total_e_bc += trackMatchedBCRight->second->energy();
         }
  
         if (total_e_bc < energyTotalBC_) {
           highPurityPair = false;
         }
       }
       //signature cuts, then check if vertex, then post-selection cuts
       highPurityPair = highPurityPair && track1HighPurity && track2HighPurity && goodVertex &&
                        checkPhi(left, right, trackerGeom, magField, theConversionVertex);
  
       /*
         for ( std::vector<edm::RefToBase<reco::Track> >::iterator iTk=trackPairRef.begin();  iTk!=trackPairRef.end(); iTk++) {
         math::XYZPointF impPos;
         if ( getTrackImpactPosition(*iTk, trackerGeom, magField, impPos) ) {
            
         }
  
         }
       */
  
       const float minAppDist = approachDist;
       reco::Conversion::ConversionAlgorithm algo = reco::Conversion::algoByName(algoName_);
       float dummy = 0;
       reco::CaloClusterPtrVector scPtrVec;
       reco::Conversion newCandidate(scPtrVec,
                                     trackPairRef,
                                     trkPositionAtEcal,
                                     theConversionVertex,
                                     matchingBC,
                                     minAppDist,
                                     trackInnPos,
                                     trackPin,
                                     trackPout,
                                     nHitsBeforeVtx,
                                     dlClosestHitToVtx,
                                     nSharedHits,
                                     dummy,
                                     algo);
       // Fill in scPtrVec with the macthing SC
       if (matchingSC(superClusterPtrs, newCandidate, scPtrVec))
         newCandidate.setMatchingSuperCluster(scPtrVec);
  
       newCandidate.setQuality(reco::Conversion::highPurity, highPurityPair);
       bool generalTracksOnly = ll->second->isTrackerOnly() && rr->second->isTrackerOnly() &&
                                !dynamic_cast<const reco::GsfTrack*>(ll->second->trackRef().get()) &&
                                !dynamic_cast<const reco::GsfTrack*>(rr->second->trackRef().get());
       bool gsfTracksOpenOnly = ll->second->isGsfTrackOpen() && rr->second->isGsfTrackOpen();
       bool arbitratedEcalSeeded = ll->second->isArbitratedEcalSeeded() && rr->second->isArbitratedEcalSeeded();
       bool arbitratedMerged = ll->second->isArbitratedMerged() && rr->second->isArbitratedMerged();
       bool arbitratedMergedEcalGeneral =
           ll->second->isArbitratedMergedEcalGeneral() && rr->second->isArbitratedMergedEcalGeneral();
  
       newCandidate.setQuality(reco::Conversion::generalTracksOnly, generalTracksOnly);
       newCandidate.setQuality(reco::Conversion::gsfTracksOpenOnly, gsfTracksOpenOnly);
       newCandidate.setQuality(reco::Conversion::arbitratedEcalSeeded, arbitratedEcalSeeded);
       newCandidate.setQuality(reco::Conversion::arbitratedMerged, arbitratedMerged);
       newCandidate.setQuality(reco::Conversion::arbitratedMergedEcalGeneral, arbitratedMergedEcalGeneral);
  
       outputConvPhotonCollection.push_back(newCandidate);
     }
   }
 }

References reco::TrackBase::algo(), reco::Conversion::algoByName(), algoName_, allowOppCharge_, allowTrackBC_, muonTagProbeFilters_cff::allTracks, reco::Conversion::arbitratedEcalSeeded, tkConvValidator_cfi::arbitratedEcalSeeded, reco::Conversion::arbitratedMerged, tkConvValidator_cfi::arbitratedMerged, reco::Conversion::arbitratedMergedEcalGeneral, TransientTrackBuilder::build(), bypassPreselEcal_, bypassPreselEcalEcal_, bypassPreselGsf_, edm::RefToBase< T >::castTo(), reco::TrackBase::charge(), checkPhi(), checkVertex(), reco::Vertex::chi2(), ChiSquaredProbability(), deltaEta_, energyTotalBC_, reco::Track::extra(), reco::Conversion::generalTracksOnly, tkConvValidator_cfi::generalTracksOnly, edm::EventSetup::get(), edm::RefToBase< T >::get(), get, getMatchedBC(), getTrackImpactPosition(), reco::TrackBase::gsf, reco::Conversion::gsfTracksOpenOnly, reco::Conversion::highPurity, reco::Track::innerMomentum(), reco::Track::innerPosition(), reco::TrackBase::inOutEcalSeededConv, edm::Ref< C, T, F >::isNonnull(), reco::Vertex::isValid(), matchingSC(), reco::Vertex::ndof(), ConversionHitChecker::nHitsBeforeVtx(), ConversionHitChecker::nSharedHits(), reco::Track::outerMomentum(), reco::TrackBase::outInEcalSeededConv, preselectTrackPair(), edm::ESHandle< T >::product(), findQualityFiles::rr, reco::Conversion::setMatchingSuperCluster(), reco::Conversion::setQuality(), thettbuilder_, toFConverterP(), toFConverterV(), trackD0Cut(), trackQualityFilter(), and vtxChi2_.

Referenced by produce().

◆ buildSuperAndBasicClusterGeoMap()

void ConversionProducer::buildSuperAndBasicClusterGeoMap	(	const edm::Event &	iEvent,
		std::multimap< double, reco::CaloClusterPtr > &	basicClusterPtrs,
		std::multimap< double, reco::CaloClusterPtr > &	superClusterPtrs
	)

private

Definition at line 225 of file ConversionProducer.cc.

                                                                                                                     {
   // Get the Super Cluster collection in the Barrel
   edm::Handle<edm::View<reco::CaloCluster> > scBarrelHandle;
   iEvent.getByToken(scBarrelProducer_, scBarrelHandle);
   if (!scBarrelHandle.isValid()) {
     edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the barrel superclusters!";
   }
  
   // Get the Super Cluster collection in the Endcap
   edm::Handle<edm::View<reco::CaloCluster> > scEndcapHandle;
   iEvent.getByToken(scEndcapProducer_, scEndcapHandle);
   if (!scEndcapHandle.isValid()) {
     edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the endcap superclusters!";
   }
  
   edm::Handle<edm::View<reco::CaloCluster> > bcBarrelHandle;
   edm::Handle<edm::View<reco::CaloCluster> > bcEndcapHandle;  //TODO check cluster type if BasicCluster or PFCluster
  
   iEvent.getByToken(bcBarrelCollection_, bcBarrelHandle);
   if (!bcBarrelHandle.isValid()) {
     edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the barrel basic clusters!";
   }
  
   iEvent.getByToken(bcEndcapCollection_, bcEndcapHandle);
   if (!bcEndcapHandle.isValid()) {
     edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the endcap basic clusters!";
   }
  
   if (bcBarrelHandle.isValid()) {
     for (auto const& handle : {bcBarrelHandle, bcEndcapHandle}) {
       for (auto const& bc : handle->ptrs()) {
         if (bc->energy() > energyBC_)
           basicClusterPtrs.emplace(bc->position().eta(), bc);
       }
     }
   }
  
   if (scBarrelHandle.isValid()) {
     for (auto const& handle : {scBarrelHandle, scEndcapHandle}) {
       for (auto const& sc : handle->ptrs()) {
         if (sc->energy() > minSCEt_)
           superClusterPtrs.emplace(sc->position().eta(), sc);
       }
     }
   }
 }

References bcBarrelCollection_, bcEndcapCollection_, energyBC_, patZpeak::handle, iEvent, edm::HandleBase::isValid(), minSCEt_, scBarrelProducer_, and scEndcapProducer_.

Referenced by produce().

◆ checkPhi()

bool ConversionProducer::checkPhi	(	const edm::RefToBase< reco::Track > &	tk_l,
		const edm::RefToBase< reco::Track > &	tk_r,
		const TrackerGeometry *	trackerGeom,
		const MagneticField *	magField,
		const reco::Vertex &	the_vertex
	)

private

Definition at line 700 of file ConversionProducer.cc.

                                                          {
   if (!allowDeltaPhi_)
     return true;
   //if track has innermost momentum, check with innermost phi
   //if track also has valid vertex, propagate to vertex then calculate phi there
   //if track has no innermost momentum, just return true, because track->phi() makes no sense
   if (tk_l->extra().isNonnull() && tk_r->extra().isNonnull()) {
     double iphi1 = tk_l->innerMomentum().phi(), iphi2 = tk_r->innerMomentum().phi();
     if (vtx.isValid()) {
       PropagatorWithMaterial propag(anyDirection, 0.000511, magField);
  
       double recoPhoR = vtx.position().Rho();
       Surface::RotationType rot;
       ReferenceCountingPointer<BoundCylinder> theBarrel_(new BoundCylinder(
           recoPhoR,
           Surface::PositionType(0, 0, 0),
           rot,
           new SimpleCylinderBounds(
               recoPhoR - 0.001, recoPhoR + 0.001, -fabs(vtx.position().z()), fabs(vtx.position().z()))));
       ReferenceCountingPointer<BoundDisk> theDisk_(new BoundDisk(
           Surface::PositionType(0, 0, vtx.position().z()), rot, new SimpleDiskBounds(0, recoPhoR, -0.001, 0.001)));
  
       const TrajectoryStateOnSurface myTSOS1 =
           trajectoryStateTransform::innerStateOnSurface(*tk_l, *trackerGeom, magField);
       const TrajectoryStateOnSurface myTSOS2 =
           trajectoryStateTransform::innerStateOnSurface(*tk_r, *trackerGeom, magField);
       TrajectoryStateOnSurface stateAtVtx1, stateAtVtx2;
       stateAtVtx1 = propag.propagate(myTSOS1, *theBarrel_);
       if (!stateAtVtx1.isValid()) {
         stateAtVtx1 = propag.propagate(myTSOS1, *theDisk_);
       }
       if (stateAtVtx1.isValid()) {
         iphi1 = stateAtVtx1.globalDirection().phi();
       }
       stateAtVtx2 = propag.propagate(myTSOS2, *theBarrel_);
       if (!stateAtVtx2.isValid()) {
         stateAtVtx2 = propag.propagate(myTSOS2, *theDisk_);
       }
       if (stateAtVtx2.isValid()) {
         iphi2 = stateAtVtx2.globalDirection().phi();
       }
     }
     const double dPhi = reco::deltaPhi(iphi1, iphi2);
     return (fabs(dPhi) < deltaPhi_);
   } else {
     return true;
   }
 }

References allowDeltaPhi_, anyDirection, reco::deltaPhi(), deltaPhi_, HLT_2018_cff::dPhi, reco::Track::extra(), TrajectoryStateOnSurface::globalDirection(), reco::Track::innerMomentum(), trajectoryStateTransform::innerStateOnSurface(), edm::Ref< C, T, F >::isNonnull(), TrajectoryStateOnSurface::isValid(), PV3DBase< T, PVType, FrameType >::phi(), PropagatorWithMaterial::propagate(), makeMuonMisalignmentScenario::rot, and badGlobalMuonTaggersAOD_cff::vtx.

Referenced by buildCollection().

◆ checkTrackPair()

bool ConversionProducer::checkTrackPair	(	const std::pair< edm::RefToBase< reco::Track >, reco::CaloClusterPtr > &	ll,
		const std::pair< edm::RefToBase< reco::Track >, reco::CaloClusterPtr > &	rr
	)

private

Definition at line 808 of file ConversionProducer.cc.

                                                                                                         {
   const reco::CaloClusterPtr& bc_l = ll.second;  //can be null, so check isNonnull()
   const reco::CaloClusterPtr& bc_r = rr.second;
  
   //The cuts should be ordered by considering if takes time and if cuts off many fakes
   if (allowTrackBC_) {
     //check energy of BC
     double total_e_bc = 0;
     if (bc_l.isNonnull())
       total_e_bc += bc_l->energy();
     if (rightBC_)
       if (bc_r.isNonnull())
         total_e_bc += bc_r->energy();
  
     if (total_e_bc < energyTotalBC_)
       return false;
   }
  
   return true;
 }

References allowTrackBC_, energyTotalBC_, edm::Ptr< T >::isNonnull(), rightBC_, and findQualityFiles::rr.

◆ checkVertex()

bool ConversionProducer::checkVertex	(	const reco::TransientTrack &	ttk_l,
		const reco::TransientTrack &	ttk_r,
		const MagneticField *	magField,
		reco::Vertex &	the_vertex
	)

private

Definition at line 831 of file ConversionProducer.cc.

                                                              {
   bool found = false;
  
   std::vector<reco::TransientTrack> pair;
   pair.push_back(ttk_l);
   pair.push_back(ttk_r);
  
   found = theVertexFinder_->run(pair, the_vertex);
  
   return found;
 }

References newFWLiteAna::found, ConversionVertexFinder::run(), and theVertexFinder_.

Referenced by buildCollection().

◆ etaTransformation()

double ConversionProducer::etaTransformation	(	float	EtaParticle,
		float	Zvertex
	)

private

Definition at line 846 of file ConversionProducer.cc.

                                                                              {
   //---Definitions
   const float PI = 3.1415927;
  
   //---Definitions for ECAL
   const float R_ECAL = 136.5;
   const float Z_Endcap = 328.0;
   const float etaBarrelEndcap = 1.479;
  
   //---ETA correction
  
   float Theta = 0.0;
   float ZEcal = R_ECAL * sinh(EtaParticle) + Zvertex;
  
   if (ZEcal != 0.0)
     Theta = atan(R_ECAL / ZEcal);
   if (Theta < 0.0)
     Theta = Theta + PI;
   double ETA = -log(tan(0.5 * Theta));
  
   if (fabs(ETA) > etaBarrelEndcap) {
     float Zend = Z_Endcap;
     if (EtaParticle < 0.0)
       Zend = -Zend;
     float Zlen = Zend - Zvertex;
     float RR = Zlen / sinh(EtaParticle);
     Theta = atan(RR / Zend);
     if (Theta < 0.0)
       Theta = Theta + PI;
     ETA = -log(tan(0.5 * Theta));
   }
   //---Return the result
   return ETA;
   //---end
 }

References ETA, etaBarrelEndcap, dqm-mbProfile::log, PI, R_ECAL, funct::tan(), Z_Endcap, and ZEcal.

Referenced by matchingSC().

◆ getMatchedBC()

bool ConversionProducer::getMatchedBC	(	const std::multimap< double, reco::CaloClusterPtr > &	bcMap,
		const math::XYZPointF &	trackImpactPosition,
		reco::CaloClusterPtr &	closestBC
	)

private

Definition at line 668 of file ConversionProducer.cc.

                                                                      {
   const double track_eta = trackImpactPosition.eta();
   const double track_phi = trackImpactPosition.phi();
  
   double min_eta = 999., min_phi = 999.;
   reco::CaloClusterPtr closest_bc;
   for (std::multimap<double, reco::CaloClusterPtr>::const_iterator bc = bcMap.lower_bound(track_eta - halfWayEta_);
        bc != bcMap.upper_bound(track_eta + halfWayEta_);
        ++bc) {  //use eta map to select possible BC collection then loop in
     const reco::CaloClusterPtr& ebc = bc->second;
     const double delta_eta = track_eta - (ebc->position().eta());
     const double delta_phi = reco::deltaPhi(track_phi, (ebc->position().phi()));
     if (fabs(delta_eta) < dEtaTkBC_ && fabs(delta_phi) < dPhiTkBC_) {
       if (fabs(min_eta) > fabs(delta_eta) && fabs(min_phi) > fabs(delta_phi)) {  //take the closest to track BC
         min_eta = delta_eta;
         min_phi = delta_phi;
         closest_bc = bc->second;
         //TODO check if min_eta>delta_eta but min_phi<delta_phi
       }
     }
   }
  
   if (min_eta < 999.) {
     closestBC = closest_bc;
     return true;
   } else
     return false;
 }

References HLT_2018_cff::delta_eta, HLT_2018_cff::delta_phi, reco::deltaPhi(), dEtaTkBC_, dPhiTkBC_, halfWayEta_, and HLT_2018_cff::min_eta.

Referenced by buildCollection().

◆ getTrackImpactPosition()

bool ConversionProducer::getTrackImpactPosition	(	const reco::Track *	tk_ref,
		const TrackerGeometry *	trackerGeom,
		const MagneticField *	magField,
		math::XYZPointF &	ew
	)

private

Definition at line 595 of file ConversionProducer.cc.

                                                                    {
   PropagatorWithMaterial propag(alongMomentum, 0.000511, magField);
  
   ReferenceCountingPointer<Surface> ecalWall(new BoundCylinder(
       129.f, GlobalPoint(0., 0., 0.), TkRotation<float>(), new SimpleCylinderBounds(129, 129, -320.5, 320.5)));
   const float epsilon = 0.001;
   Surface::RotationType rot;  // unit rotation matrix
   const float barrelRadius = 129.f;
   const float barrelHalfLength = 270.9f;
   const float endcapRadius = 171.1f;
   const float endcapZ = 320.5f;
   ReferenceCountingPointer<BoundCylinder> theBarrel_(new BoundCylinder(
       barrelRadius,
       Surface::PositionType(0, 0, 0),
       rot,
       new SimpleCylinderBounds(barrelRadius - epsilon, barrelRadius + epsilon, -barrelHalfLength, barrelHalfLength)));
   ReferenceCountingPointer<BoundDisk> theNegativeEtaEndcap_(new BoundDisk(
       Surface::PositionType(0, 0, -endcapZ), rot, new SimpleDiskBounds(0, endcapRadius, -epsilon, epsilon)));
   ReferenceCountingPointer<BoundDisk> thePositiveEtaEndcap_(new BoundDisk(
       Surface::PositionType(0, 0, endcapZ), rot, new SimpleDiskBounds(0, endcapRadius, -epsilon, epsilon)));
  
   //const TrajectoryStateOnSurface myTSOS = trajectoryStateTransform::innerStateOnSurface(*(*ref), *trackerGeom, magField);
   const TrajectoryStateOnSurface myTSOS =
       trajectoryStateTransform::outerStateOnSurface(*tk_ref, *trackerGeom, magField);
   TrajectoryStateOnSurface stateAtECAL;
   stateAtECAL = propag.propagate(myTSOS, *theBarrel_);
   if (!stateAtECAL.isValid() || (stateAtECAL.isValid() && fabs(stateAtECAL.globalPosition().eta()) > 1.479f)) {
     //endcap propagator
     if (myTSOS.globalPosition().z() > 0.) {
       stateAtECAL = propag.propagate(myTSOS, *thePositiveEtaEndcap_);
     } else {
       stateAtECAL = propag.propagate(myTSOS, *theNegativeEtaEndcap_);
     }
   }
   if (stateAtECAL.isValid()) {
     ew = stateAtECAL.globalPosition();
     return true;
   } else
     return false;
 }

References alongMomentum, barrelHalfLength, barrelRadius, endcapRadius, endcapZ, geometryDiff::epsilon, PV3DBase< T, PVType, FrameType >::eta(), f, TrajectoryStateOnSurface::globalPosition(), TrajectoryStateOnSurface::isValid(), trajectoryStateTransform::outerStateOnSurface(), PropagatorWithMaterial::propagate(), makeMuonMisalignmentScenario::rot, and PV3DBase< T, PVType, FrameType >::z().

Referenced by buildCollection().

◆ matchingSC()

bool ConversionProducer::matchingSC	(	const std::multimap< double, reco::CaloClusterPtr > &	scMap,
		reco::Conversion &	conv,
		reco::CaloClusterPtrVector &	mSC
	)

private

Definition at line 639 of file ConversionProducer.cc.

                                                                    {
   //  double dRMin=999.;
   double detaMin = 999.;
   double dphiMin = 999.;
   reco::CaloClusterPtr match;
   for (std::multimap<double, reco::CaloClusterPtr>::const_iterator scItr = scMap.begin(); scItr != scMap.end();
        scItr++) {
     const reco::CaloClusterPtr& sc = scItr->second;
     const double delta_phi = reco::deltaPhi(aConv.refittedPairMomentum().phi(), sc->phi());
     double sceta = sc->eta();
     double conveta = etaTransformation(aConv.refittedPairMomentum().eta(), aConv.zOfPrimaryVertexFromTracks());
     const double delta_eta = fabs(conveta - sceta);
     if (fabs(delta_eta) < fabs(detaMin) && fabs(delta_phi) < fabs(dphiMin)) {
       detaMin = fabs(delta_eta);
       dphiMin = fabs(delta_phi);
       match = sc;
     }
   }
  
   if (fabs(detaMin) < dEtacutForSCmatching_ && fabs(dphiMin) < dPhicutForSCmatching_) {
     mSC.push_back(match);
     return true;
   } else
     return false;
 }

References HLT_2018_cff::delta_eta, HLT_2018_cff::delta_phi, reco::deltaPhi(), dEtacutForSCmatching_, dPhicutForSCmatching_, TrackSplittingMonitor_cfi::dphiMin, etaTransformation(), match(), edm::PtrVector< T >::push_back(), reco::Conversion::refittedPairMomentum(), and reco::Conversion::zOfPrimaryVertexFromTracks().

Referenced by buildCollection().

◆ preselectTrackPair()

bool ConversionProducer::preselectTrackPair	(	const reco::TransientTrack &	ttk_l,
		const reco::TransientTrack &	ttk_r,
		double &	appDist
	)

private

Definition at line 753 of file ConversionProducer.cc.

                                                              {
   double dCotTheta = 1. / tan(ttk_l.track().innerMomentum().theta()) - 1. / tan(ttk_r.track().innerMomentum().theta());
   if (allowDeltaCot_ && (std::abs(dCotTheta) > deltaCotTheta_)) {
     return false;
   }
  
   //non-conversion hypothesis, reject prompt track pairs
   ClosestApproachInRPhi closest;
   closest.calculate(ttk_l.innermostMeasurementState(), ttk_r.innermostMeasurementState());
   if (!closest.status()) {
     return false;
   }
  
   if (closest.crossingPoint().perp() < r_cut) {
     return false;
   }
  
   //compute tangent point btw tracks (conversion hypothesis)
   TangentApproachInRPhi tangent;
   tangent.calculate(ttk_l.innermostMeasurementState(), ttk_r.innermostMeasurementState());
   if (!tangent.status()) {
     return false;
   }
  
   GlobalPoint tangentPoint = tangent.crossingPoint();
   double rho = tangentPoint.perp();
  
   //reject candidates well outside of tracker bounds
   if (rho > maxTrackRho_) {
     return false;
   }
  
   if (std::abs(tangentPoint.z()) > maxTrackZ_) {
     return false;
   }
  
   std::pair<GlobalTrajectoryParameters, GlobalTrajectoryParameters> trajs = tangent.trajectoryParameters();
  
   //very large separation in z, no hope
   if (std::abs(trajs.first.position().z() - trajs.second.position().z()) > dzCut_) {
     return false;
   }
  
   float minApproach = tangent.perpdist();
   appDist = minApproach;
  
   if (allowMinApproach_ && (minApproach < minApproachLow_ || minApproach > minApproachHigh_)) {
     return false;
   }
  
   return true;
 }

References funct::abs(), allowDeltaCot_, allowMinApproach_, TangentApproachInRPhi::calculate(), ClosestApproachInRPhi::calculate(), TangentApproachInRPhi::crossingPoint(), ClosestApproachInRPhi::crossingPoint(), deltaCotTheta_, dzCut_, reco::Track::innerMomentum(), reco::TransientTrack::innermostMeasurementState(), maxTrackRho_, maxTrackZ_, minApproachHigh_, PV3DBase< T, PVType, FrameType >::perp(), TangentApproachInRPhi::perpdist(), r_cut, rho, TangentApproachInRPhi::status(), ClosestApproachInRPhi::status(), funct::tan(), reco::TransientTrack::track(), TangentApproachInRPhi::trajectoryParameters(), and PV3DBase< T, PVType, FrameType >::z().

Referenced by buildCollection().

◆ produce()

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

overrideprivate

Definition at line 163 of file ConversionProducer.cc.

                                                                               {
   using namespace edm;
  
   reco::ConversionCollection outputConvPhotonCollection;
   auto outputConvPhotonCollection_p = std::make_unique<reco::ConversionCollection>();
  
   //std::cout << " ConversionProducer::produce " << std::endl;
   //Read multiple track input collections
  
   edm::Handle<edm::View<reco::ConversionTrack> > trackCollectionHandle;
   iEvent.getByToken(src_, trackCollectionHandle);
  
   //build map of ConversionTracks ordered in eta
   std::multimap<float, edm::Ptr<reco::ConversionTrack> > convTrackMap;
   for (auto const& t : trackCollectionHandle->ptrs())
     convTrackMap.emplace(t->track()->eta(), t);
  
   edm::Handle<reco::VertexCollection> vertexHandle;
   reco::VertexCollection vertexCollection;
   if (usePvtx_) {
     iEvent.getByToken(vertexProducer_, vertexHandle);
     if (!vertexHandle.isValid()) {
       edm::LogError("ConversionProducer") << "Error! Can't get the product primary Vertex Collection "
                                           << "\n";
       usePvtx_ = false;
     }
     if (usePvtx_)
       vertexCollection = *(vertexHandle.product());
   }
  
   edm::ESHandle<TransientTrackBuilder> hTransientTrackBuilder;
   iSetup.get<TransientTrackRecord>().get("TransientTrackBuilder", hTransientTrackBuilder);
   thettbuilder_ = hTransientTrackBuilder.product();
  
   reco::Vertex the_pvtx;
   //because the priamry vertex is sorted by quality, the first one is the best
   if (!vertexCollection.empty())
     the_pvtx = *(vertexCollection.begin());
  
   if (trackCollectionHandle->size() > maxNumOfTrackInPU_) {
     iEvent.put(std::move(outputConvPhotonCollection_p), ConvertedPhotonCollection_);
     return;
   }
  
   // build Super and Basic cluster geometry map to search in eta bounds for clusters
   std::multimap<double, reco::CaloClusterPtr> basicClusterPtrs;
   std::multimap<double, reco::CaloClusterPtr> superClusterPtrs;
  
   buildSuperAndBasicClusterGeoMap(iEvent, basicClusterPtrs, superClusterPtrs);
  
   buildCollection(iEvent,
                   iSetup,
                   convTrackMap,
                   superClusterPtrs,
                   basicClusterPtrs,
                   the_pvtx,
                   outputConvPhotonCollection);  //allow empty basicClusterPtrs
  
   outputConvPhotonCollection_p->assign(outputConvPhotonCollection.begin(), outputConvPhotonCollection.end());
   iEvent.put(std::move(outputConvPhotonCollection_p), ConvertedPhotonCollection_);
 }

References buildCollection(), buildSuperAndBasicClusterGeoMap(), ConvertedPhotonCollection_, edm::EventSetup::get(), get, iEvent, edm::HandleBase::isValid(), maxNumOfTrackInPU_, eostools::move(), edm::Handle< T >::product(), edm::ESHandle< T >::product(), src_, OrderedSet::t, thettbuilder_, usePvtx_, spclusmultinvestigator_cfi::vertexCollection, and vertexProducer_.

◆ toFConverterP()

math::XYZPointF ConversionProducer::toFConverterP ( const math::XYZPoint & val )

inlineprivate

Definition at line 179 of file ConversionProducer.h.

179 { return math::XYZPointF(val.x(), val.y(), val.z()); }

References heppy_batch::val.

Referenced by buildCollection().

◆ toFConverterV()

math::XYZVectorF ConversionProducer::toFConverterV ( const math::XYZVector & val )

inlineprivate

Definition at line 181 of file ConversionProducer.h.

181 { return math::XYZVectorF(val.x(), val.y(), val.z()); }

References heppy_batch::val.

Referenced by buildCollection().

◆ trackD0Cut() [1/2]

bool ConversionProducer::trackD0Cut ( const edm::RefToBase< reco::Track > & ref )

inlineprivate

Definition at line 585 of file ConversionProducer.cc.

                                                                              {
   //NOTE if not allow d0 cut, always true
   return ((!allowD0_) || !(ref->d0() * ref->charge() / ref->d0Error() < d0Cut_));
 }

References allowD0_, reco::TrackBase::charge(), reco::TrackBase::d0(), d0Cut_, and reco::TrackBase::d0Error().

Referenced by buildCollection().

◆ trackD0Cut() [2/2]

bool ConversionProducer::trackD0Cut	(	const edm::RefToBase< reco::Track > &	ref,
		const reco::Vertex &	the_pvtx
	)

inlineprivate

Definition at line 590 of file ConversionProducer.cc.

                                                                                                          {
   //
   return ((!allowD0_) || !(-ref->dxy(the_pvtx.position()) * ref->charge() / ref->dxyError() < d0Cut_));
 }

References allowD0_, reco::TrackBase::charge(), d0Cut_, reco::TrackBase::dxy(), reco::TrackBase::dxyError(), and reco::Vertex::position().

◆ trackQualityFilter()

bool ConversionProducer::trackQualityFilter	(	const edm::RefToBase< reco::Track > &	ref,
		bool	isLeft
	)

inlineprivate

Definition at line 574 of file ConversionProducer.cc.

                                                                                                   {
   bool pass = true;
   if (isLeft) {
     pass = (ref->normalizedChi2() < maxChi2Left_ && ref->found() >= minHitsLeft_);
   } else {
     pass = (ref->normalizedChi2() < maxChi2Right_ && ref->found() >= minHitsRight_);
   }
  
   return pass;
 }