Inheritance diagram for ConvertedPhotonProducer:

Public Member Functions
	ConvertedPhotonProducer (const edm::ParameterSet &ps)

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

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

	EDProducer (const EDProducer &)=delete

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginProcessBlocks () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndProcessBlocks () const final

bool	hasAbilityToProduceInEndRuns () const final

const EDProducer &	operator= (const EDProducer &)=delete

Private Member Functions
void	buildCollections (edm::EventSetup const &es, const edm::Handle< edm::View< reco::CaloCluster >> &scHandle, const edm::Handle< edm::View< reco::CaloCluster >> &bcHandle, ElectronHcalHelper const &hcalHelper, const edm::Handle< reco::TrackCollection > &trkHandle, std::map< std::vector< reco::TransientTrack >, reco::CaloClusterPtr, CompareTwoTracksVectors > &allPairs, reco::ConversionCollection &outputConvPhotonCollection)

float	calculateMinApproachDistance (const reco::TrackRef &track1, const reco::TrackRef &track2)

void	cleanCollections (const edm::Handle< edm::View< reco::CaloCluster >> &scHandle, const edm::OrphanHandle< reco::ConversionCollection > &conversionHandle, reco::ConversionCollection &outputCollection)

void	getCircleCenter (const reco::TrackRef &tk, double r, double &x0, double &y0)

std::vector< reco::ConversionRef >	solveAmbiguity (const edm::OrphanHandle< reco::ConversionCollection > &conversionHandle, reco::CaloClusterPtr const &sc)

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

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

Private Attributes
std::string	algoName_

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

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

edm::ESGetToken< CaloGeometry, CaloGeometryRecord >	caloGeomToken_

edm::EDPutTokenT< reco::ConversionCollection >	cleanedConvertedPhotonCollectionPutToken_

edm::EDGetTokenT< reco::TrackCollection >	conversionIOTrackProducer_

edm::EDGetTokenT< reco::TrackCollection >	conversionOITrackProducer_

edm::EDPutTokenT< reco::ConversionCollection >	convertedPhotonCollectionPutToken_

bool	cutsFromDB_

double	deltaCotCut_

double	dRForConversionRecovery_

edm::EDGetTokenT< reco::TrackCollection >	generalTrackProducer_

edm::EDGetTokenT< HBHERecHitCollection >	hbheRecHits_

HcalPFCuts const *	hcalCuts_ = nullptr

edm::ESGetToken< HcalPFCuts, HcalPFCutsRcd >	hcalCutsToken_

std::unique_ptr< ElectronHcalHelper >	hcalHelper_

double	hOverEConeSize_

edm::EDGetTokenT< reco::TrackCaloClusterPtrAssociation >	inOutTrackSCAssociationCollection_

ConversionLikelihoodCalculator	likelihoodCalc_

std::string	likelihoodWeights_

MagneticField const *	magneticField_

double	maxHOverE_

int	maxNumOfCandidates_

edm::ESGetToken< MagneticField, IdealMagneticFieldRecord >	mFToken_

double	minApproachDisCut_

double	minSCEt_

edm::EDGetTokenT< reco::TrackCaloClusterPtrAssociation >	outInTrackSCAssociationCollection_

bool	recoverOneTrackCase_

bool	risolveAmbiguity_

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

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

ConversionTrackPairFinder	trackPairFinder_

TransientTrackBuilder const *	transientTrackBuilder_

edm::ESGetToken< TransientTrackBuilder, TransientTrackRecord >	transientTrackToken_

ConversionVertexFinder	vertexFinder_

Additional Inherited Members
Public Types inherited from edm::stream::EDProducer<>
using	CacheTypes = CacheContexts< T... >

using	GlobalCache = typename CacheTypes::GlobalCache

using	HasAbility = AbilityChecker< T... >

using	InputProcessBlockCache = typename CacheTypes::InputProcessBlockCache

using	LuminosityBlockCache = typename CacheTypes::LuminosityBlockCache

using	LuminosityBlockContext = LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >

using	LuminosityBlockSummaryCache = typename CacheTypes::LuminosityBlockSummaryCache

using	RunCache = typename CacheTypes::RunCache

using	RunContext = RunContextT< RunCache, GlobalCache >

using	RunSummaryCache = typename CacheTypes::RunSummaryCache

Detailed Description

Author: Nancy Marinelli, U. of Notre Dame, US

Definition at line 47 of file ConvertedPhotonProducer.cc.

Constructor & Destructor Documentation

◆ ConvertedPhotonProducer()

ConvertedPhotonProducer::ConvertedPhotonProducer ( const edm::ParameterSet & ps )

Definition at line 128 of file ConvertedPhotonProducer.cc.

References AlCaHLTBitMon_QueryRunRegistry::string.

     : conversionOITrackProducer_{consumes(config.getParameter<std::string>("conversionOITrackProducer"))},
       conversionIOTrackProducer_{consumes(config.getParameter<std::string>("conversionIOTrackProducer"))},
       outInTrackSCAssociationCollection_{consumes({config.getParameter<std::string>("conversionOITrackProducer"),
                                                    config.getParameter<std::string>("outInTrackSCAssociation")})},
       inOutTrackSCAssociationCollection_{consumes({config.getParameter<std::string>("conversionIOTrackProducer"),
                                                    config.getParameter<std::string>("inOutTrackSCAssociation")})},
 
       generalTrackProducer_{consumes(config.getParameter<edm::InputTag>("generalTracksSrc"))},
       convertedPhotonCollectionPutToken_{
           produces<reco::ConversionCollection>(config.getParameter<std::string>("convertedPhotonCollection"))},
       cleanedConvertedPhotonCollectionPutToken_{
           produces<reco::ConversionCollection>(config.getParameter<std::string>("cleanedConvertedPhotonCollection"))},
 
       bcBarrelCollection_{consumes(config.getParameter<edm::InputTag>("bcBarrelCollection"))},
       bcEndcapCollection_{consumes(config.getParameter<edm::InputTag>("bcEndcapCollection"))},
       scHybridBarrelProducer_{consumes(config.getParameter<edm::InputTag>("scHybridBarrelProducer"))},
       scIslandEndcapProducer_{consumes(config.getParameter<edm::InputTag>("scIslandEndcapProducer"))},
       hbheRecHits_{consumes(config.getParameter<edm::InputTag>("hbheRecHits"))},
       caloGeomToken_{esConsumes()},
       mFToken_{esConsumes()},
       transientTrackToken_{esConsumes(edm::ESInputTag("", "TransientTrackBuilder"))},
       vertexFinder_{config},
       algoName_{config.getParameter<std::string>("AlgorithmName")},
 
       hOverEConeSize_{config.getParameter<double>("hOverEConeSize")},
       maxHOverE_{config.getParameter<double>("maxHOverE")},
       minSCEt_{config.getParameter<double>("minSCEt")},
       recoverOneTrackCase_{config.getParameter<bool>("recoverOneTrackCase")},
       dRForConversionRecovery_{config.getParameter<double>("dRForConversionRecovery")},
       deltaCotCut_{config.getParameter<double>("deltaCotCut")},
       minApproachDisCut_{config.getParameter<double>("minApproachDisCut")},
 
       maxNumOfCandidates_{config.getParameter<int>("maxNumOfCandidates")},
       risolveAmbiguity_{config.getParameter<bool>("risolveConversionAmbiguity")},
       likelihoodWeights_{config.getParameter<std::string>("MVA_weights_location")} {
   // instantiate the Track Pair Finder algorithm
   likelihoodCalc_.setWeightsFile(edm::FileInPath{likelihoodWeights_.c_str()}.fullPath().c_str());
 
   cutsFromDB_ = config.getParameter<bool>("usePFThresholdsFromDB");
   if (cutsFromDB_) {
     hcalCutsToken_ = esConsumes<HcalPFCuts, HcalPFCutsRcd>(edm::ESInputTag("", "withTopo"));
   }
 
   ElectronHcalHelper::Configuration cfgCone;
   cfgCone.hOverEConeSize = hOverEConeSize_;
   if (cfgCone.hOverEConeSize > 0) {
     cfgCone.onlyBehindCluster = false;
     cfgCone.checkHcalStatus = false;
 
     cfgCone.hbheRecHits = hbheRecHits_;
 
     cfgCone.eThresHB = config.getParameter<EgammaHcalIsolation::arrayHB>("recHitEThresholdHB");
     cfgCone.maxSeverityHB = config.getParameter<int>("maxHcalRecHitSeverity");
     cfgCone.eThresHE = config.getParameter<EgammaHcalIsolation::arrayHE>("recHitEThresholdHE");
     cfgCone.maxSeverityHE = cfgCone.maxSeverityHB;
   }
 
   hcalHelper_ = std::make_unique<ElectronHcalHelper>(cfgCone, consumesCollector());
 }

Member Function Documentation

◆ buildCollections()

void ConvertedPhotonProducer::buildCollections	(	edm::EventSetup const &	es,
		const edm::Handle< edm::View< reco::CaloCluster >> &	scHandle,
		const edm::Handle< edm::View< reco::CaloCluster >> &	bcHandle,
		ElectronHcalHelper const &	hcalHelper,
		const edm::Handle< reco::TrackCollection > &	trkHandle,
		std::map< std::vector< reco::TransientTrack >, reco::CaloClusterPtr, CompareTwoTracksVectors > &	allPairs,
		reco::ConversionCollection &	outputConvPhotonCollection
	)

private

Definition at line 329 of file ConvertedPhotonProducer.cc.

References reco::Conversion::algoByName(), algoName_, SplitLinear::begin, TransientTrackBuilder::build(), ConversionLikelihoodCalculator::calculateLikelihood(), calculateMinApproachDistance(), edm::PtrVectorBase::clear(), deltaCotCut_, HLT_2024v14_cff::dEta, HLT_2024v14_cff::dPhi, dRForConversionRecovery_, MillePedeFileConverter_cfg::e, mps_fire::end, ConversionTrackEcalImpactPoint::find(), hcalCuts_, ElectronHcalHelper::hcalESum(), edm::Ref< C, T, F >::isNonnull(), reco::Vertex::isValid(), likelihoodCalc_, magneticField_, ConversionTrackEcalImpactPoint::matchingBC(), maxHOverE_, metname, minApproachDisCut_, minSCEt_, edm::PtrVector< T >::push_back(), recoverOneTrackCase_, ConversionVertexFinder::run(), reco::Conversion::setMVAout(), mathSSE::sqrt(), AlCaHLTBitMon_QueryRunRegistry::string, funct::tan(), toFConverterP(), toFConverterV(), transientTrackBuilder_, vertexFinder_, and L1BJetProducer_cff::vtx.

Referenced by produce().

 {
   // instantiate the algorithm for finding the position of the track extrapolation at the Ecal front face
   ConversionTrackEcalImpactPoint theEcalImpactPositionFinder(magneticField_);
 
   reco::Conversion::ConversionAlgorithm algo = reco::Conversion::algoByName(algoName_);
 
   std::vector<reco::TransientTrack> t_generalTrk;
   if (recoverOneTrackCase_)
     t_generalTrk = transientTrackBuilder_->build(generalTrkHandle);
 
   //  Loop over SC in the barrel and reconstruct converted photons
   reco::CaloClusterPtrVector scPtrVec;
   for (auto const& aClus : scHandle->ptrs()) {
     // preselection based in Et and H/E cut
     if (aClus->energy() / cosh(aClus->eta()) <= minSCEt_)
       continue;
     const reco::CaloCluster* pClus = &(*aClus);
     auto const* sc = dynamic_cast<const reco::SuperCluster*>(pClus);
     double HoE = hcalHelper.hcalESum(*sc, 0, hcalCuts_) / sc->energy();
     if (HoE >= maxHOverE_)
       continue;
 
     std::vector<edm::Ref<reco::TrackCollection>> trackPairRef;
     std::vector<math::XYZPointF> trackInnPos;
     std::vector<math::XYZVectorF> trackPin;
     std::vector<math::XYZVectorF> trackPout;
     float minAppDist = -99;
 
     //LogDebug("ConvertedPhotonProducer") << "ConvertedPhotonProducer SC energy " << aClus->energy() << " eta " <<  aClus->eta() << " phi " <<  aClus->phi() << "\n";
 
     const reco::Particle::Point vtx(0, 0, 0);
 
     math::XYZVector direction = aClus->position() - vtx;
     math::XYZVector momentum = direction.unit() * aClus->energy();
     const reco::Particle::LorentzVector p4(momentum.x(), momentum.y(), momentum.z(), aClus->energy());
 
     if (!allPairs.empty()) {
       for (auto iPair = allPairs.begin(); iPair != allPairs.end(); ++iPair) {
         scPtrVec.clear();
 
         reco::Vertex theConversionVertex;
         reco::CaloClusterPtr caloPtr = iPair->second;
         if (!(aClus == caloPtr))
           continue;
 
         scPtrVec.push_back(aClus);
 
         std::vector<math::XYZPointF> trkPositionAtEcal = theEcalImpactPositionFinder.find(iPair->first, bcHandle);
         std::vector<reco::CaloClusterPtr> matchingBC = theEcalImpactPositionFinder.matchingBC();
 
         minAppDist = -99;
         const std::string metname = "ConvertedPhotons|ConvertedPhotonProducer";
         if ((iPair->first).size() > 1) {
           try {
             vertexFinder_.run(iPair->first, theConversionVertex);
 
           } catch (cms::Exception& e) {
             //std::cout << " cms::Exception caught in ConvertedPhotonProducer::produce" << "\n" ;
             edm::LogWarning(metname) << "cms::Exception caught in ConvertedPhotonProducer::produce\n"
                                      << e.explainSelf();
           }
 
           // Old TwoTrackMinimumDistance md;
           // Old md.calculate  (  (iPair->first)[0].initialFreeState(),  (iPair->first)[1].initialFreeState() );
           // Old minAppDist = md.distance();
 
           /*
     for ( unsigned int i=0; i< matchingBC.size(); ++i) {
           if (  matchingBC[i].isNull() )  std::cout << " This ref to BC is null: skipping " <<  "\n";
           else 
         std::cout << " BC energy " << matchingBC[i]->energy() <<  "\n";
     }
     */
 
           trackPairRef.clear();
           trackInnPos.clear();
           trackPin.clear();
           trackPout.clear();
 
           for (std::vector<reco::TransientTrack>::const_iterator iTk = (iPair->first).begin();
                iTk != (iPair->first).end();
                ++iTk) {
             //LogDebug("ConvertedPhotonProducer")  << "  ConvertedPhotonProducer Transient Tracks in the pair  charge " << iTk->charge() << " Num of RecHits " << iTk->recHitsSize() << " inner momentum " << iTk->track().innerMomentum() << "\n";
 
             auto const* ttt = dynamic_cast<const reco::TrackTransientTrack*>(iTk->basicTransientTrack());
             reco::TrackRef myTkRef = ttt->persistentTrackRef();
 
             //LogDebug("ConvertedPhotonProducer")  << " ConvertedPhotonProducer Ref to Rec Tracks in the pair  charge " << myTkRef->charge() << " Num of RecHits " << myTkRef->recHitsSize() << " inner momentum " << myTkRef->innerMomentum() << "\n";
             if (myTkRef->extra().isNonnull()) {
               trackInnPos.push_back(toFConverterP(myTkRef->innerPosition()));
               trackPin.push_back(toFConverterV(myTkRef->innerMomentum()));
               trackPout.push_back(toFConverterV(myTkRef->outerMomentum()));
             }
             trackPairRef.push_back(myTkRef);
           }
 
           //    std::cout << " ConvertedPhotonProducer trackPin size " << trackPin.size() << std::endl;
           //LogDebug("ConvertedPhotonProducer")  << " ConvertedPhotonProducer SC energy " <<  aClus->energy() << "\n";
           //LogDebug("ConvertedPhotonProducer") << " ConvertedPhotonProducer photon p4 " << p4  << "\n";
           //LogDebug("ConvertedPhotonProducer") << " ConvertedPhotonProducer vtx " << vtx.x() << " " << vtx.y() << " " << vtx.z() << "\n";
           if (theConversionVertex.isValid()) {
             //LogDebug("ConvertedPhotonProducer") << " ConvertedPhotonProducer theConversionVertex " << theConversionVertex.position().x() << " " << theConversionVertex.position().y() << " " << theConversionVertex.position().z() << "\n";
           }
           //LogDebug("ConvertedPhotonProducer") << " ConvertedPhotonProducer trackPairRef  " << trackPairRef.size() <<  "\n";
 
           minAppDist = calculateMinApproachDistance(trackPairRef[0], trackPairRef[1]);
 
           double like = -999.;
           reco::Conversion newCandidate(scPtrVec,
                                         trackPairRef,
                                         trkPositionAtEcal,
                                         theConversionVertex,
                                         matchingBC,
                                         minAppDist,
                                         trackInnPos,
                                         trackPin,
                                         trackPout,
                                         like,
                                         algo);
           like = likelihoodCalc_.calculateLikelihood(newCandidate);
           //    std::cout << "like = " << like << std::endl;
           newCandidate.setMVAout(like);
           outputConvPhotonCollection.push_back(newCandidate);
 
           //LogDebug("ConvertedPhotonProducer") << " ConvertedPhotonProducer Put the ConvertedPhotonCollection a candidate in the Barrel " << "\n";
 
         } else {
           //      std::cout << "   ConvertedPhotonProducer case with only one track found " <<  "\n";
 
           //std::cout << "   ConvertedPhotonProducer recovering one track " <<  "\n";
           trackPairRef.clear();
           trackInnPos.clear();
           trackPin.clear();
           trackPout.clear();
           std::vector<reco::TransientTrack>::const_iterator iTk = (iPair->first).begin();
           //std::cout  << "  ConvertedPhotonProducer Transient Tracks in the pair  charge " << iTk->charge() << " Num of RecHits " << iTk->recHitsSize() << " inner momentum " << iTk->track().innerMomentum() << " pt " << sqrt(iTk->track().innerMomentum().perp2()) << "\n";
           auto const* ttt = dynamic_cast<const reco::TrackTransientTrack*>(iTk->basicTransientTrack());
           reco::TrackRef myTk = ttt->persistentTrackRef();
           if (myTk->extra().isNonnull()) {
             trackInnPos.push_back(toFConverterP(myTk->innerPosition()));
             trackPin.push_back(toFConverterV(myTk->innerMomentum()));
             trackPout.push_back(toFConverterV(myTk->outerMomentum()));
           }
           trackPairRef.push_back(myTk);
           //std::cout << " Provenance " << myTk->algoName() << std::endl;
 
           if (recoverOneTrackCase_) {
             float theta1 = myTk->innerMomentum().Theta();
             float dCot = 999.;
             float dCotTheta = -999.;
             reco::TrackRef goodRef;
             for (auto const& tran : t_generalTrk) {
               auto const* ttt = dynamic_cast<const reco::TrackTransientTrack*>(tran.basicTransientTrack());
               reco::TrackRef trRef = ttt->persistentTrackRef();
               if (trRef->charge() * myTk->charge() > 0)
                 continue;
               float dEta = trRef->eta() - myTk->eta();
               float dPhi = trRef->phi() - myTk->phi();
               if (sqrt(dEta * dEta + dPhi * dPhi) > dRForConversionRecovery_)
                 continue;
               float theta2 = trRef->innerMomentum().Theta();
               dCotTheta = 1. / tan(theta1) - 1. / tan(theta2);
               //    std::cout << "  ConvertedPhotonProducer recovering general transient track charge " << trRef->charge() << " momentum " << trRef->innerMomentum() << " dcotTheta " << fabs(dCotTheta) << std::endl;
               if (fabs(dCotTheta) < dCot) {
                 dCot = fabs(dCotTheta);
                 goodRef = trRef;
               }
             }
 
             if (goodRef.isNonnull()) {
               minAppDist = calculateMinApproachDistance(myTk, goodRef);
 
               // std::cout << "  ConvertedPhotonProducer chosen dCotTheta " <<  fabs(dCotTheta) << std::endl;
               if (fabs(dCotTheta) < deltaCotCut_ && minAppDist > minApproachDisCut_) {
                 trackInnPos.push_back(toFConverterP(goodRef->innerPosition()));
                 trackPin.push_back(toFConverterV(goodRef->innerMomentum()));
                 trackPout.push_back(toFConverterV(goodRef->outerMomentum()));
                 trackPairRef.push_back(goodRef);
                 //      std::cout << " ConvertedPhotonProducer adding opposite charge track from generalTrackCollection charge " <<  goodRef ->charge() << " pt " << sqrt(goodRef->innerMomentum().perp2())  << " trackPairRef size " << trackPairRef.size() << std::endl;
                 //std::cout << " Track Provenenance " << goodRef->algoName() << std::endl;
 
                 try {
                   vertexFinder_.run(iPair->first, theConversionVertex);
 
                 } catch (cms::Exception& e) {
                   //std::cout << " cms::Exception caught in ConvertedPhotonProducer::produce" << "\n" ;
                   edm::LogWarning(metname) << "cms::Exception caught in ConvertedPhotonProducer::produce\n"
                                            << e.explainSelf();
                 }
               }
             }
 
           }  // bool On/Off one track case recovery using generalTracks
           const double like = -999.;
           outputConvPhotonCollection.emplace_back(scPtrVec,
                                                   trackPairRef,
                                                   trkPositionAtEcal,
                                                   theConversionVertex,
                                                   matchingBC,
                                                   minAppDist,
                                                   trackInnPos,
                                                   trackPin,
                                                   trackPout,
                                                   like,
                                                   algo);
           auto& newCandidate = outputConvPhotonCollection.back();
           newCandidate.setMVAout(likelihoodCalc_.calculateLikelihood(newCandidate));
 
         }  // case with only on track: looking in general tracks
       }
     }
   }
 }

◆ calculateMinApproachDistance()

float ConvertedPhotonProducer::calculateMinApproachDistance	(	const reco::TrackRef &	track1,
		const reco::TrackRef &	track2
	)

private

Definition at line 627 of file ConvertedPhotonProducer.cc.

References getCircleCenter(), MagneticField::inTesla(), magneticField_, mathSSE::sqrt(), testProducerWithPsetDescEmpty_cfi::x1, testProducerWithPsetDescEmpty_cfi::x2, testProducerWithPsetDescEmpty_cfi::y1, testProducerWithPsetDescEmpty_cfi::y2, and PV3DBase< T, PVType, FrameType >::z().

Referenced by buildCollections().

                                                                                         {
   double x1, x2, y1, y2;
   double xx_1 = track1->innerPosition().x(), yy_1 = track1->innerPosition().y(), zz_1 = track1->innerPosition().z();
   double xx_2 = track2->innerPosition().x(), yy_2 = track2->innerPosition().y(), zz_2 = track2->innerPosition().z();
   double radius1 =
       track1->innerMomentum().Rho() / (.3 * (magneticField_->inTesla(GlobalPoint(xx_1, yy_1, zz_1)).z())) * 100;
   double radius2 =
       track2->innerMomentum().Rho() / (.3 * (magneticField_->inTesla(GlobalPoint(xx_2, yy_2, zz_2)).z())) * 100;
   getCircleCenter(track1, radius1, x1, y1);
   getCircleCenter(track2, radius2, x2, y2);
 
   return std::sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)) - radius1 - radius2;
 }

◆ cleanCollections()

void ConvertedPhotonProducer::cleanCollections	(	const edm::Handle< edm::View< reco::CaloCluster >> &	scHandle,
		const edm::OrphanHandle< reco::ConversionCollection > &	conversionHandle,
		reco::ConversionCollection &	outputCollection
	)

private

Definition at line 555 of file ConvertedPhotonProducer.cc.

References reco::Conversion::clone(), clone(), printConversionInfo::conversionHandle, edm::Ref< C, T, F >::id(), edm::Ref< C, T, F >::key(), minSCEt_, risolveAmbiguity_, and solveAmbiguity().

Referenced by produce().

                                                                                                      {
   reco::Conversion* newCandidate = nullptr;
   for (auto const& aClus : scHandle->ptrs()) {
     // SC energy preselection
     if (aClus->energy() / cosh(aClus->eta()) <= minSCEt_)
       continue;
 
     if (conversionHandle.isValid()) {
       if (risolveAmbiguity_) {
         std::vector<reco::ConversionRef> bestRef = solveAmbiguity(conversionHandle, aClus);
 
         for (std::vector<reco::ConversionRef>::iterator iRef = bestRef.begin(); iRef != bestRef.end(); iRef++) {
           if (iRef->isNonnull()) {
             newCandidate = (*iRef)->clone();
             outputConversionCollection.push_back(*newCandidate);
             delete newCandidate;
           }
         }
 
       } else {
         for (unsigned int icp = 0; icp < conversionHandle->size(); icp++) {
           reco::ConversionRef cpRef(reco::ConversionRef(conversionHandle, icp));
           if (!(aClus.id() == cpRef->caloCluster()[0].id() && aClus.key() == cpRef->caloCluster()[0].key()))
             continue;
           if (!cpRef->isConverted())
             continue;
           if (cpRef->nTracks() < 2)
             continue;
           newCandidate = (&(*cpRef))->clone();
           outputConversionCollection.push_back(*newCandidate);
           delete newCandidate;
         }
 
       }  // solve or not the ambiguity of many conversion candidates
     }
   }
 }

◆ getCircleCenter()

void ConvertedPhotonProducer::getCircleCenter	(	const reco::TrackRef &	tk,
		double	r,
		double &	x0,
		double &	y0
	)

private

Definition at line 642 of file ConvertedPhotonProducer.cc.

References ALCARECOTkAlJpsiMuMu_cff::charge, funct::cos(), phi, alignCSCRings::r, funct::sin(), testProducerWithPsetDescEmpty_cfi::x1, and testProducerWithPsetDescEmpty_cfi::y1.

Referenced by calculateMinApproachDistance().

                                                                                                       {
   double x1, y1, phi;
   x1 = tk->innerPosition().x();  //inner position and inner momentum need track Extra!
   y1 = tk->innerPosition().y();
   phi = tk->innerMomentum().phi();
   const int charge = tk->charge();
   x0 = x1 + r * sin(phi) * charge;
   y0 = y1 - r * cos(phi) * charge;
 }

◆ produce()

void ConvertedPhotonProducer::produce	(	edm::Event &	evt,
		const edm::EventSetup &	es
	)

override

Definition at line 189 of file ConvertedPhotonProducer.cc.

References bcBarrelCollection_, bcEndcapCollection_, TransientTrackBuilder::build(), buildCollections(), cleanCollections(), cleanedConvertedPhotonCollectionPutToken_, printConversionInfo::conversionHandle, conversionIOTrackProducer_, conversionOITrackProducer_, convertedPhotonCollectionPutToken_, cutsFromDB_, edm::Event::emplace(), generalTrackProducer_, edm::Event::getByToken(), edm::EventSetup::getData(), edm::Event::getHandle(), hcalCuts_, hcalCutsToken_, hcalHelper_, inOutTrackSCAssociationCollection_, edm::HandleBase::isValid(), magneticField_, mFToken_, eostools::move(), outInTrackSCAssociationCollection_, recoverOneTrackCase_, ConversionTrackPairFinder::run(), scHybridBarrelProducer_, scIslandEndcapProducer_, trackPairFinder_, transientTrackBuilder_, and transientTrackToken_.

                                                                                             {
   magneticField_ = &theEventSetup.getData(mFToken_);
 
   // Transform Track into TransientTrack (needed by the Vertex fitter)
   transientTrackBuilder_ = &theEventSetup.getData(transientTrackToken_);
 
   if (cutsFromDB_) {
     hcalCuts_ = &theEventSetup.getData(hcalCutsToken_);
   }
 
   //
   // create empty output collections
   //
   // Converted photon candidates
   reco::ConversionCollection outputConvPhotonCollection;
   // Converted photon candidates
   reco::ConversionCollection cleanedConversionCollection;
 
   // Get the Super Cluster collection in the Barrel
   bool validBarrelSCHandle = true;
   auto scBarrelHandle = theEvent.getHandle(scHybridBarrelProducer_);
   if (!scBarrelHandle.isValid()) {
     edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the scHybridBarrelProducer";
     validBarrelSCHandle = false;
   }
 
   // Get the Super Cluster collection in the Endcap
   bool validEndcapSCHandle = true;
   edm::Handle<edm::View<reco::CaloCluster>> scEndcapHandle;
   theEvent.getByToken(scIslandEndcapProducer_, scEndcapHandle);
   if (!scEndcapHandle.isValid()) {
     edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the scIslandEndcapProducer";
     validEndcapSCHandle = false;
   }
 
   bool validTrackInputs = true;
   auto outInTrkHandle = theEvent.getHandle(conversionOITrackProducer_);
   if (!outInTrkHandle.isValid()) {
     //std::cout << "Error! Can't get the conversionOITrack " << "\n";
     edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the conversionOITrack "
                                              << "\n";
     validTrackInputs = false;
   }
   //  LogDebug("ConvertedPhotonProducer")<< "ConvertedPhotonProducer  outInTrack collection size " << (*outInTrkHandle).size() << "\n";
 
   auto outInTrkSCAssocHandle = theEvent.getHandle(outInTrackSCAssociationCollection_);
   if (!outInTrkSCAssocHandle.isValid()) {
     //  std::cout << "Error! Can't get the product " <<  outInTrackSCAssociationCollection_.c_str() <<"\n";
     edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the outInTrackSCAssociationCollection)";
     validTrackInputs = false;
   }
 
   auto inOutTrkHandle = theEvent.getHandle(conversionIOTrackProducer_);
   if (!inOutTrkHandle.isValid()) {
     // std::cout << "Error! Can't get the conversionIOTrack " << "\n";
     edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the conversionIOTrack "
                                              << "\n";
     validTrackInputs = false;
   }
   //  LogDebug("ConvertedPhotonProducer") << " ConvertedPhotonProducer inOutTrack collection size " << (*inOutTrkHandle).size() << "\n";
 
 
   edm::Handle<reco::TrackCollection> generalTrkHandle;
   if (recoverOneTrackCase_) {
     theEvent.getByToken(generalTrackProducer_, generalTrkHandle);
     if (!generalTrkHandle.isValid()) {
       //std::cout << "Error! Can't get the genralTracks " << "\n";
       edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the genralTracks "
                                                << "\n";
     }
   }
 
   auto inOutTrkSCAssocHandle = theEvent.getHandle(inOutTrackSCAssociationCollection_);
   if (!inOutTrkSCAssocHandle.isValid()) {
     //std::cout << "Error! Can't get the product " <<  inOutTrackSCAssociationCollection_.c_str() <<"\n";
     edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the inOutTrackSCAssociationCollection_.c_str()";
     validTrackInputs = false;
   }
 
   // Get the basic cluster collection in the Barrel
   edm::Handle<edm::View<reco::CaloCluster>> bcBarrelHandle;
   theEvent.getByToken(bcBarrelCollection_, bcBarrelHandle);
   if (!bcBarrelHandle.isValid()) {
     edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the bcBarrelCollection";
   }
 
   // Get the basic cluster collection in the Endcap
   edm::Handle<edm::View<reco::CaloCluster>> bcEndcapHandle;
   theEvent.getByToken(bcEndcapCollection_, bcEndcapHandle);
   if (!bcEndcapHandle.isValid()) {
     edm::LogError("ConvertedPhotonProducer") << "Error! Can't get the bcEndcapCollection";
   }
 
   if (validTrackInputs) {
     //do the conversion:
     std::vector<reco::TransientTrack> t_outInTrk = transientTrackBuilder_->build(outInTrkHandle);
     std::vector<reco::TransientTrack> t_inOutTrk = transientTrackBuilder_->build(inOutTrkHandle);
 
     std::map<std::vector<reco::TransientTrack>, reco::CaloClusterPtr, CompareTwoTracksVectors> allPairs;
     allPairs = trackPairFinder_.run(
         t_outInTrk, outInTrkHandle, outInTrkSCAssocHandle, t_inOutTrk, inOutTrkHandle, inOutTrkSCAssocHandle);
     //LogDebug("ConvertedPhotonProducer")  << "ConvertedPhotonProducer  allPairs.size " << allPairs.size() << "\n";
 
     hcalHelper_->beginEvent(theEvent, theEventSetup);
 
     buildCollections(theEventSetup,
                      scBarrelHandle,
                      bcBarrelHandle,
                      *hcalHelper_,
                      generalTrkHandle,
                      allPairs,
                      outputConvPhotonCollection);
     buildCollections(theEventSetup,
                      scEndcapHandle,
                      bcEndcapHandle,
                      *hcalHelper_,
                      generalTrkHandle,
                      allPairs,
                      outputConvPhotonCollection);
   }
 
   // put the product in the event
   auto const conversionHandle =
       theEvent.emplace(convertedPhotonCollectionPutToken_, std::move(outputConvPhotonCollection));
 
   // Loop over barrel and endcap SC collections and fill the  photon collection
   if (validBarrelSCHandle)
     cleanCollections(scBarrelHandle, conversionHandle, cleanedConversionCollection);
   if (validEndcapSCHandle)
     cleanCollections(scEndcapHandle, conversionHandle, cleanedConversionCollection);
 
   theEvent.emplace(cleanedConvertedPhotonCollectionPutToken_, std::move(cleanedConversionCollection));
 }

◆ solveAmbiguity()

std::vector< reco::ConversionRef > ConvertedPhotonProducer::solveAmbiguity	(	const edm::OrphanHandle< reco::ConversionCollection > &	conversionHandle,
		reco::CaloClusterPtr const &	sc
	)

private

Definition at line 595 of file ConvertedPhotonProducer.cc.

References printConversionInfo::conversionHandle, edm::ProductID::id(), edm::Ptr< T >::id(), edm::Ptr< T >::key(), and maxNumOfCandidates_.

Referenced by cleanCollections().

                                                                                                         {
   std::multimap<double, reco::ConversionRef, std::greater<double>> convMap;
 
   for (unsigned int icp = 0; icp < conversionHandle->size(); icp++) {
     reco::ConversionRef cpRef{conversionHandle, icp};
 
     //std::cout << " cpRef " << cpRef->nTracks() << " " <<  cpRef ->caloCluster()[0]->energy() << std::endl;
     if (!(scRef.id() == cpRef->caloCluster()[0].id() && scRef.key() == cpRef->caloCluster()[0].key()))
       continue;
     if (!cpRef->isConverted())
       continue;
     double like = cpRef->MVAout();
     if (cpRef->nTracks() < 2)
       continue;
     //    std::cout << " Like " << like << std::endl;
     convMap.emplace(like, cpRef);
   }
 
   //  std::cout << " convMap size " << convMap.size() << std::endl;
 
   std::vector<reco::ConversionRef> bestRefs;
   for (auto iMap = convMap.begin(); iMap != convMap.end(); iMap++) {
     //    std::cout << " Like list in the map " <<  iMap->first << " " << (iMap->second)->EoverP() << std::endl;
     bestRefs.push_back(iMap->second);
     if (int(bestRefs.size()) == maxNumOfCandidates_)
       break;
   }
 
   return bestRefs;
 }