#include <ConvertedPhotonProducer.h>

Inheritance diagram for ConvertedPhotonProducer:

Public Member Functions
void	beginRun (edm::Run const &, const edm::EventSetup &es) final

	ConvertedPhotonProducer (const edm::ParameterSet &ps)

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

	~ConvertedPhotonProducer () 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 Member Functions
void	buildCollections (edm::EventSetup const &es, const edm::Handle< edm::View< reco::CaloCluster > > &scHandle, const edm::Handle< edm::View< reco::CaloCluster > > &bcHandle, const edm::Handle< CaloTowerCollection > &hcalTowersHandle, 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_

std::string	CleanedConvertedPhotonCollection_

edm::ParameterSet	conf_

edm::EDGetTokenT< reco::TrackCollection >	conversionIOTrackProducer_

edm::EDGetTokenT< reco::TrackCollection >	conversionOITrackProducer_

std::string	ConvertedPhotonCollection_

double	deltaCotCut_

double	dRForConversionRecovery_

edm::EDGetTokenT< reco::TrackCollection >	generalTrackProducer_

edm::EDGetTokenT< CaloTowerCollection >	hcalTowers_

double	hOverEConeSize_

edm::EDGetTokenT< reco::TrackCaloClusterPtrAssociation >	inOutTrackSCAssociationCollection_

std::string	likelihoodWeights_

double	maxHOverE_

int	maxNumOfCandidates_

double	minApproachDisCut_

double	minSCEt_

int	nEvt_

edm::EDGetTokenT< reco::TrackCaloClusterPtrAssociation >	outInTrackSCAssociationCollection_

bool	recoverOneTrackCase_

bool	risolveAmbiguity_

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

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

edm::ESHandle< CaloGeometry >	theCaloGeom_

ConversionTrackEcalImpactPoint *	theEcalImpactPositionFinder_

ConversionLikelihoodCalculator *	theLikelihoodCalc_

edm::ESHandle< MagneticField >	theMF_

ConversionTrackPairFinder *	theTrackPairFinder_

edm::ESHandle< TransientTrackBuilder >	theTransientTrackBuilder_

ConversionVertexFinder *	theVertexFinder_

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

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

Definition at line 34 of file ConvertedPhotonProducer.h.

Constructor & Destructor Documentation

◆ ConvertedPhotonProducer()

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

Definition at line 46 of file ConvertedPhotonProducer.cc.

     : conf_(config), theTrackPairFinder_(nullptr), theVertexFinder_(nullptr), theLikelihoodCalc_(nullptr) {
   //cout<< " ConvertedPhotonProducer CTOR " << "\n";
  
   // use onfiguration file to setup input collection names
   bcBarrelCollection_ =
       consumes<edm::View<reco::CaloCluster> >(conf_.getParameter<edm::InputTag>("bcBarrelCollection"));
   bcEndcapCollection_ =
       consumes<edm::View<reco::CaloCluster> >(conf_.getParameter<edm::InputTag>("bcEndcapCollection"));
  
   scHybridBarrelProducer_ =
       consumes<edm::View<reco::CaloCluster> >(conf_.getParameter<edm::InputTag>("scHybridBarrelProducer"));
   scIslandEndcapProducer_ =
       consumes<edm::View<reco::CaloCluster> >(conf_.getParameter<edm::InputTag>("scIslandEndcapProducer"));
  
   std::string oitrackprod = conf_.getParameter<std::string>("conversionOITrackProducer");
   std::string iotrackprod = conf_.getParameter<std::string>("conversionIOTrackProducer");
  
   std::string oitrackassoc = conf_.getParameter<std::string>("outInTrackSCAssociation");
   std::string iotrackassoc = conf_.getParameter<std::string>("inOutTrackSCAssociation");
  
   edm::InputTag oitracks(oitrackprod), oitracksassoc(oitrackprod, oitrackassoc), iotracks(iotrackprod),
       iotracksassoc(iotrackprod, iotrackassoc);
  
   conversionOITrackProducer_ = consumes<reco::TrackCollection>(oitracks);
   outInTrackSCAssociationCollection_ = consumes<reco::TrackCaloClusterPtrAssociation>(oitracksassoc);
   conversionIOTrackProducer_ = consumes<reco::TrackCollection>(iotracks);
   inOutTrackSCAssociationCollection_ = consumes<reco::TrackCaloClusterPtrAssociation>(iotracksassoc);
  
   generalTrackProducer_ = consumes<reco::TrackCollection>(conf_.getParameter<edm::InputTag>("generalTracksSrc"));
  
   algoName_ = conf_.getParameter<std::string>("AlgorithmName");
  
   hcalTowers_ = consumes<CaloTowerCollection>(conf_.getParameter<edm::InputTag>("hcalTowers"));
   hOverEConeSize_ = conf_.getParameter<double>("hOverEConeSize");
   maxHOverE_ = conf_.getParameter<double>("maxHOverE");
   minSCEt_ = conf_.getParameter<double>("minSCEt");
   recoverOneTrackCase_ = conf_.getParameter<bool>("recoverOneTrackCase");
   dRForConversionRecovery_ = conf_.getParameter<double>("dRForConversionRecovery");
   deltaCotCut_ = conf_.getParameter<double>("deltaCotCut");
   minApproachDisCut_ = conf_.getParameter<double>("minApproachDisCut");
  
   maxNumOfCandidates_ = conf_.getParameter<int>("maxNumOfCandidates");
   risolveAmbiguity_ = conf_.getParameter<bool>("risolveConversionAmbiguity");
   likelihoodWeights_ = conf_.getParameter<std::string>("MVA_weights_location");
  
   // use configuration file to setup output collection names
   ConvertedPhotonCollection_ = conf_.getParameter<std::string>("convertedPhotonCollection");
   CleanedConvertedPhotonCollection_ = conf_.getParameter<std::string>("cleanedConvertedPhotonCollection");
  
   // Register the product
   produces<reco::ConversionCollection>(ConvertedPhotonCollection_);
   produces<reco::ConversionCollection>(CleanedConvertedPhotonCollection_);
  
   // instantiate the Track Pair Finder algorithm
   theTrackPairFinder_ = new ConversionTrackPairFinder();
   edm::FileInPath path_mvaWeightFile(likelihoodWeights_.c_str());
   theLikelihoodCalc_ = new ConversionLikelihoodCalculator();
   theLikelihoodCalc_->setWeightsFile(path_mvaWeightFile.fullPath().c_str());
   // instantiate the Vertex Finder algorithm
   theVertexFinder_ = new ConversionVertexFinder(conf_);
  
   // Inizilize my global event counter
   nEvt_ = 0;
 }

References algoName_, bcBarrelCollection_, bcEndcapCollection_, CleanedConvertedPhotonCollection_, conf_, conversionIOTrackProducer_, conversionOITrackProducer_, ConvertedPhotonCollection_, deltaCotCut_, dRForConversionRecovery_, generalTrackProducer_, edm::ParameterSet::getParameter(), hcalTowers_, hOverEConeSize_, inOutTrackSCAssociationCollection_, likelihoodWeights_, maxHOverE_, maxNumOfCandidates_, minApproachDisCut_, minSCEt_, nEvt_, outInTrackSCAssociationCollection_, recoverOneTrackCase_, risolveAmbiguity_, scHybridBarrelProducer_, scIslandEndcapProducer_, ConversionLikelihoodCalculator::setWeightsFile(), AlCaHLTBitMon_QueryRunRegistry::string, theLikelihoodCalc_, theTrackPairFinder_, and theVertexFinder_.

◆ ~ConvertedPhotonProducer()

ConvertedPhotonProducer::~ConvertedPhotonProducer ( )

override

Definition at line 112 of file ConvertedPhotonProducer.cc.

                                                   {
   delete theTrackPairFinder_;
   delete theLikelihoodCalc_;
   delete theVertexFinder_;
 }

References theLikelihoodCalc_, theTrackPairFinder_, and theVertexFinder_.

Member Function Documentation

◆ beginRun()

void ConvertedPhotonProducer::beginRun	(	edm::Run const &	r,
		const edm::EventSetup &	es
	)

final

Definition at line 118 of file ConvertedPhotonProducer.cc.

                                                                                           {
   //get magnetic field
   //edm::LogInfo("ConvertedPhotonProducer") << " get magnetic field" << "\n";
   theEventSetup.get<IdealMagneticFieldRecord>().get(theMF_);
  
   // Transform Track into TransientTrack (needed by the Vertex fitter)
   theEventSetup.get<TransientTrackRecord>().get("TransientTrackBuilder", theTransientTrackBuilder_);
 }

References edm::EventSetup::get(), get, theMF_, and theTransientTrackBuilder_.

◆ buildCollections()

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

private

Definition at line 279 of file ConvertedPhotonProducer.cc.

 {
   // instantiate the algorithm for finding the position of the track extrapolation at the Ecal front face
   ConversionTrackEcalImpactPoint theEcalImpactPositionFinder(&(*theMF_));
  
   reco::Conversion::ConversionAlgorithm algo = reco::Conversion::algoByName(algoName_);
  
   std::vector<reco::TransientTrack> t_generalTrk;
   if (recoverOneTrackCase_)
     t_generalTrk = (*theTransientTrackBuilder_).build(generalTrkHandle);
   //const CaloGeometry* geometry = theCaloGeom_.product();
  
   //  Loop over SC in the barrel and reconstruct converted photons
   int myCands = 0;
   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);
     const reco::SuperCluster* sc = dynamic_cast<const reco::SuperCluster*>(pClus);
     const CaloTowerCollection* hcalTowersColl = hcalTowersHandle.product();
     EgammaTowerIsolation towerIso(hOverEConeSize_, 0., 0., -1, hcalTowersColl);
     double HoE = towerIso.getTowerESum(sc) / 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());
  
     int nFound = 0;
     if (!allPairs.empty()) {
       nFound = 0;
  
       for (std::map<std::vector<reco::TransientTrack>, reco::CaloClusterPtr>::const_iterator 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);
         nFound++;
  
         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 {
             theVertexFinder_->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";
  
             const reco::TrackTransientTrack* 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 = theLikelihoodCalc_->calculateLikelihood(newCandidate, es );
           like = theLikelihoodCalc_->calculateLikelihood(newCandidate);
           //    std::cout << "like = " << like << std::endl;
           newCandidate.setMVAout(like);
           outputConvPhotonCollection.push_back(newCandidate);
  
           myCands++;
           //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";
           const reco::TrackTransientTrack* 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;
             std::vector<reco::TransientTrack>::const_iterator iGoodGenTran;
             for (std::vector<reco::TransientTrack>::const_iterator iTran = t_generalTrk.begin();
                  iTran != t_generalTrk.end();
                  ++iTran) {
               const reco::TrackTransientTrack* ttt =
                   dynamic_cast<const reco::TrackTransientTrack*>(iTran->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;
                 iGoodGenTran = iTran;
               }
             }
  
             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;
                 std::vector<reco::TransientTrack> mypair;
                 mypair.push_back(*iTk);
                 mypair.push_back(*iGoodGenTran);
  
                 try {
                   theVertexFinder_->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
           double like = -999.;
           reco::Conversion newCandidate(scPtrVec,
                                         trackPairRef,
                                         trkPositionAtEcal,
                                         theConversionVertex,
                                         matchingBC,
                                         minAppDist,
                                         trackInnPos,
                                         trackPin,
                                         trackPout,
                                         like,
                                         algo);
           like = theLikelihoodCalc_->calculateLikelihood(newCandidate);
           newCandidate.setMVAout(like);
           outputConvPhotonCollection.push_back(newCandidate);
  
         }  // case with only on track: looking in general tracks
       }
     }
   }
 }

References reco::Conversion::algoByName(), algoName_, begin, ConversionLikelihoodCalculator::calculateLikelihood(), calculateMinApproachDistance(), edm::PtrVectorBase::clear(), deltaCotCut_, HLT_2018_cff::dEta, HLT_2018_cff::dPhi, dRForConversionRecovery_, MillePedeFileConverter_cfg::e, end, reco::CaloCluster::energy(), ConversionTrackEcalImpactPoint::find(), EgammaTowerIsolation::getTowerESum(), hOverEConeSize_, edm::Ref< C, T, F >::isNonnull(), reco::Vertex::isValid(), genParticles_cff::map, ConversionTrackEcalImpactPoint::matchingBC(), maxHOverE_, metname, minApproachDisCut_, minSCEt_, p4, reco::TrackTransientTrack::persistentTrackRef(), edm::Handle< T >::product(), edm::PtrVector< T >::push_back(), recoverOneTrackCase_, ConversionVertexFinder::run(), reco::Conversion::setMVAout(), mathSSE::sqrt(), AlCaHLTBitMon_QueryRunRegistry::string, funct::tan(), theLikelihoodCalc_, theMF_, theVertexFinder_, toFConverterP(), toFConverterV(), and badGlobalMuonTaggersAOD_cff::vtx.

Referenced by produce().

◆ calculateMinApproachDistance()

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

private

Definition at line 601 of file ConvertedPhotonProducer.cc.

                                                                                         {
   float dist = 9999.;
  
   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 * (theMF_->inTesla(GlobalPoint(xx_1, yy_1, zz_1)).z())) * 100;
   double radius2 = track2->innerMomentum().Rho() / (.3 * (theMF_->inTesla(GlobalPoint(xx_2, yy_2, zz_2)).z())) * 100;
   getCircleCenter(track1, radius1, x1, y1);
   getCircleCenter(track2, radius2, x2, y2);
   dist = sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2)) - radius1 - radius2;
  
   return dist;
 }

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

Referenced by buildCollections().

◆ 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 528 of file ConvertedPhotonProducer.cc.

                                                                                                      {
   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
     }
   }
 }

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().

◆ getCircleCenter()

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

private

Definition at line 617 of file ConvertedPhotonProducer.cc.

                                                                                                       {
   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;
 }

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

Referenced by calculateMinApproachDistance().

◆ produce()

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

override

Definition at line 127 of file ConvertedPhotonProducer.cc.

                                                                                             {
   using namespace edm;
   nEvt_++;
  
   //  LogDebug("ConvertedPhotonProducer")   << "ConvertedPhotonProduce::produce event number " <<   theEvent.id() << " Global counter " << nEvt_ << "\n";
   //  std::cout    << "ConvertedPhotonProduce::produce event number " <<   theEvent.id() << " Global counter " << nEvt_ << "\n";
  
   //
   // create empty output collections
   //
   // Converted photon candidates
   reco::ConversionCollection outputConvPhotonCollection;
   auto outputConvPhotonCollection_p = std::make_unique<reco::ConversionCollection>();
   // Converted photon candidates
   reco::ConversionCollection cleanedConversionCollection;
   auto cleanedConversionCollection_p = std::make_unique<reco::ConversionCollection>();
  
   // Get the Super Cluster collection in the Barrel
   bool validBarrelSCHandle = true;
   edm::Handle<edm::View<reco::CaloCluster> > scBarrelHandle;
   theEvent.getByToken(scHybridBarrelProducer_, scBarrelHandle);
   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;
   Handle<reco::TrackCollection> outInTrkHandle;
   theEvent.getByToken(conversionOITrackProducer_, outInTrkHandle);
   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";
  
   Handle<reco::TrackCaloClusterPtrAssociation> outInTrkSCAssocHandle;
   theEvent.getByToken(outInTrackSCAssociationCollection_, outInTrkSCAssocHandle);
   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;
   }
  
   Handle<reco::TrackCollection> inOutTrkHandle;
   theEvent.getByToken(conversionIOTrackProducer_, inOutTrkHandle);
   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";
  
  
   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";
     }
   }
  
   Handle<reco::TrackCaloClusterPtrAssociation> inOutTrkSCAssocHandle;
   theEvent.getByToken(inOutTrackSCAssociationCollection_, inOutTrkSCAssocHandle);
   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";
   }
  
   // get Hcal towers collection
   Handle<CaloTowerCollection> hcalTowersHandle;
   theEvent.getByToken(hcalTowers_, hcalTowersHandle);
  
   // get the geometry from the event setup:
   theEventSetup.get<CaloGeometryRecord>().get(theCaloGeom_);
  
   if (validTrackInputs) {
     //do the conversion:
     std::vector<reco::TransientTrack> t_outInTrk = (*theTransientTrackBuilder_).build(outInTrkHandle);
     std::vector<reco::TransientTrack> t_inOutTrk = (*theTransientTrackBuilder_).build(inOutTrkHandle);
  
     std::map<std::vector<reco::TransientTrack>, reco::CaloClusterPtr, CompareTwoTracksVectors> allPairs;
     allPairs = theTrackPairFinder_->run(
         t_outInTrk, outInTrkHandle, outInTrkSCAssocHandle, t_inOutTrk, inOutTrkHandle, inOutTrkSCAssocHandle);
     //LogDebug("ConvertedPhotonProducer")  << "ConvertedPhotonProducer  allPairs.size " << allPairs.size() << "\n";
  
     buildCollections(theEventSetup,
                      scBarrelHandle,
                      bcBarrelHandle,
                      hcalTowersHandle,
                      generalTrkHandle,
                      allPairs,
                      outputConvPhotonCollection);
     buildCollections(theEventSetup,
                      scEndcapHandle,
                      bcEndcapHandle,
                      hcalTowersHandle,
                      generalTrkHandle,
                      allPairs,
                      outputConvPhotonCollection);
   }
  
   // put the product in the event
   outputConvPhotonCollection_p->assign(outputConvPhotonCollection.begin(), outputConvPhotonCollection.end());
   //LogDebug("ConvertedPhotonProducer") << " ConvertedPhotonProducer Putting in the event    converted photon candidates " << (*outputConvPhotonCollection_p).size() << "\n";
   const edm::OrphanHandle<reco::ConversionCollection> conversionHandle =
       theEvent.put(std::move(outputConvPhotonCollection_p), ConvertedPhotonCollection_);
  
   // Loop over barrel and endcap SC collections and fill the  photon collection
   if (validBarrelSCHandle)
     cleanCollections(scBarrelHandle, conversionHandle, cleanedConversionCollection);
   if (validEndcapSCHandle)
     cleanCollections(scEndcapHandle, conversionHandle, cleanedConversionCollection);
  
   cleanedConversionCollection_p->assign(cleanedConversionCollection.begin(), cleanedConversionCollection.end());
   theEvent.put(std::move(cleanedConversionCollection_p), CleanedConvertedPhotonCollection_);
 }

References bcBarrelCollection_, bcEndcapCollection_, buildCollections(), cleanCollections(), CleanedConvertedPhotonCollection_, printConversionInfo::conversionHandle, conversionIOTrackProducer_, conversionOITrackProducer_, ConvertedPhotonCollection_, generalTrackProducer_, edm::EventSetup::get(), get, edm::Event::getByToken(), hcalTowers_, inOutTrackSCAssociationCollection_, edm::HandleBase::isValid(), eostools::move(), nEvt_, outInTrackSCAssociationCollection_, edm::Event::put(), recoverOneTrackCase_, ConversionTrackPairFinder::run(), scHybridBarrelProducer_, scIslandEndcapProducer_, theCaloGeom_, and theTrackPairFinder_.

◆ solveAmbiguity()

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

private

Definition at line 568 of file ConvertedPhotonProducer.cc.

                                                                                                         {
   std::multimap<double, reco::ConversionRef, std::greater<double> > convMap;
  
   for (unsigned int icp = 0; icp < conversionHandle->size(); icp++) {
     reco::ConversionRef cpRef(reco::ConversionRef(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.insert(std::make_pair(like, cpRef));
   }
  
   //  std::cout << " convMap size " << convMap.size() << std::endl;
  
   std::multimap<double, reco::ConversionRef>::iterator iMap;
   std::vector<reco::ConversionRef> bestRefs;
   for (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;
 }