Inheritance diagram for PFTau3ProngReco:

Classes
struct	DiscCutPair

Public Types
enum	Alg { useKalmanFit = 0, useTrackHelix }

typedef std::vector< DiscCutPair * >	DiscCutPairVec

Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType

Public Types inherited from edm::ProducerBase
using	ModuleToResolverIndicies = std::unordered_multimap< std::string, std::tuple< edm::TypeID const , const char , edm::ProductResolverIndex >>

typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

Public Member Functions
	PFTau3ProngReco (const edm::ParameterSet &iConfig)

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

	~PFTau3ProngReco () override

Public Member Functions inherited from edm::EDProducer
	EDProducer ()

SerialTaskQueue *	globalLuminosityBlocksQueue ()

SerialTaskQueue *	globalRunsQueue ()

ModuleDescription const &	moduleDescription () const

	~EDProducer () override

Public Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

std::vector< edm::ProductResolverIndex > const &	indiciesForPutProducts (BranchType iBranchType) const

	ProducerBase ()

std::vector< edm::ProductResolverIndex > const &	putTokenIndexToProductResolverIndex () const

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...

void	resolvePutIndicies (BranchType iBranchType, ModuleToResolverIndicies const &iIndicies, std::string const &moduleLabel)

	~ProducerBase () noexcept(false) override

Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const

void	convertCurrentProcessAlias (std::string const &processName)
	Convert "@currentProcess" in InputTag process names to the actual current process name. More...

	EDConsumerBase ()

	EDConsumerBase (EDConsumerBase const &)=delete

	EDConsumerBase (EDConsumerBase &&)=default

ESProxyIndex const *	esGetTokenIndices (edm::Transition iTrans) const

ProductResolverIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const

void	itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

void	itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

std::vector< ProductResolverIndexAndSkipBit > const &	itemsToGetFrom (BranchType iType) const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const

EDConsumerBase const &	operator= (EDConsumerBase const &)=delete

EDConsumerBase &	operator= (EDConsumerBase &&)=default

bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) const

void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)

void	updateLookup (eventsetup::ESRecordsToProxyIndices const &)

virtual	~EDConsumerBase () noexcept(false)

Private Attributes
int	Algorithm_

std::unique_ptr< StringCutObjectSelector< reco::PFTau > >	cut_

DiscCutPairVec	discriminators_

KinematicParticleVertexFitter	kpvFitter_

int	ndfPVT_

edm::InputTag	PFTauTag_

edm::InputTag	PFTauTIPTag_

Additional Inherited Members
Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

static bool	wantsGlobalLuminosityBlocks ()

static bool	wantsGlobalRuns ()

static bool	wantsStreamLuminosityBlocks ()

static bool	wantsStreamRuns ()

Protected Member Functions inherited from edm::ProducerBase
ProducesCollector	producesCollector ()

Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)

EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)

ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...

template<typename ProductType , BranchType B = InEvent>
void	consumesMany ()

void	consumesMany (const TypeToGet &id)

template<BranchType B>
void	consumesMany (const TypeToGet &id)

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes ()

template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag const &tag)

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)

EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

Detailed Description

Definition at line 71 of file PFTau3ProngReco.cc.

Member Typedef Documentation

typedef std::vector<DiscCutPair*> PFTau3ProngReco::DiscCutPairVec

Definition at line 83 of file PFTau3ProngReco.cc.

Member Enumeration Documentation

enum PFTau3ProngReco::Alg

Enumerator
useKalmanFit
useTrackHelix

Definition at line 73 of file PFTau3ProngReco.cc.

73 { useKalmanFit = 0, useTrackHelix };

PFTau3ProngReco::useKalmanFit

Definition: PFTau3ProngReco.cc:73

PFTau3ProngReco::useTrackHelix

Definition: PFTau3ProngReco.cc:73

Constructor & Destructor Documentation

PFTau3ProngReco::PFTau3ProngReco ( const edm::ParameterSet & iConfig )

explicit

Definition at line 99 of file PFTau3ProngReco.cc.

References PFTau3ProngReco::DiscCutPair::cut_, cut_, PFTau3ProngReco::DiscCutPair::cutFormula_, PDWG_TauSkim_cff::discriminators, discriminators_, edm::ParameterSet::exists(), edm::ParameterSet::getParameter(), PFTau3ProngReco::DiscCutPair::inputTag_, muonDTDigis_cfi::pset, and AlCaHLTBitMon_QueryRunRegistry::string.

     : PFTauTag_(iConfig.getParameter<edm::InputTag>("PFTauTag")),
       PFTauTIPTag_(iConfig.getParameter<edm::InputTag>("PFTauTIPTag")),
       Algorithm_(iConfig.getParameter<int>("Algorithm")),
       ndfPVT_(iConfig.getUntrackedParameter("ndfPVT", (int)5)) {
   std::vector<edm::ParameterSet> discriminators =
       iConfig.getParameter<std::vector<edm::ParameterSet>>("discriminators");
   // Build each of our cuts
   for (auto const& pset : discriminators) {
     DiscCutPair* newCut = new DiscCutPair();
     newCut->inputTag_ = pset.getParameter<edm::InputTag>("discriminator");
     if (pset.existsAs<std::string>("selectionCut"))
       newCut->cutFormula_ = new TFormula("selectionCut", pset.getParameter<std::string>("selectionCut").data());
     else
       newCut->cut_ = pset.getParameter<double>("selectionCut");
     discriminators_.push_back(newCut);
   }
   // Build a string cut if desired
   if (iConfig.exists("cut"))
     cut_ = std::make_unique<StringCutObjectSelector<reco::PFTau>>(iConfig.getParameter<std::string>("cut"));
   produces<edm::AssociationVector<PFTauRefProd, std::vector<reco::PFTau3ProngSummaryRef>>>();
   produces<PFTau3ProngSummaryCollection>("PFTau3ProngSummary");
 }

PFTau3ProngReco::~PFTau3ProngReco ( )

override

Definition at line 125 of file PFTau3ProngReco.cc.

References pat::PackedCandidate::bestTrack(), edm::Ref< C, T, F >::get(), getTrack(), reco::PFCandidate::gsfTrackRef(), edm::Ref< C, T, F >::isNonnull(), and reco::PFCandidate::trackRef().

125 {}

Member Function Documentation

void PFTau3ProngReco::produce	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

override

Definition at line 146 of file PFTau3ProngReco.cc.

References PdtPdgMini::a_1_plus, funct::abs(), reco::PFTau3ProngSummary::AddSolution(), Algorithm_, TransientTrackBuilder::build(), HltBtagPostValidation_cff::c, HLT_2018_cff::cands, ALCARECOTkAlJpsiMuMu_cff::charge, cut_, ztail::d, DEFINE_FWK_MODULE, TtSemiLepEvtBuilder_cfi::disc, discriminators_, MillePedeFileConverter_cfg::e, TransientTrackBuilder::field(), tauImpactParameter::TauA1NuConstrainedFitter::fit(), KinematicParticleVertexFitter::fit(), edm::EventSetup::get(), edm::Event::getByLabel(), tauImpactParameter::TauA1NuConstrainedFitter::getMother(), edm::Event::getRefBeforePut(), tauImpactParameter::TauA1NuConstrainedFitter::getRefitDaughters(), getTrack(), mps_fire::i, MagneticField::inInverseGeV(), edm::HandleBase::isValid(), dqmiolumiharvest::j, edm::Ref< C, T, F >::key(), kpvFitter_, eostools::move(), ndfPVT_, HLTMuonOfflineAnalyzer_cfi::NVertex, tauImpactParameter::LorentzVectorParticle::p4(), p4, KinematicParticleFactoryFromTransientTrack::particle(), TriggerAnalyzer::passed, EgammaValidation_cff::pdgid, EgammaValidation_cff::pdgId, PFTauTag_, PFTauTIPTag_, tauImpactParameter::PDGInfo::pi_mass(), BeamMonitor_cff::primaryVertex, edm::Event::put(), MetAnalyzer::pv(), TrackCollections2monitor_cff::selectedTracks, pfDeepBoostedJetPreprocessParams_cfi::sv, L1TRate_Offline_cfi::Tau, metsig::tau, HLT_2018_cff::track, gather_cfg::Tracks, useKalmanFit, useTrackHelix, and PV3DBase< T, PVType, FrameType >::z().

                                                                            {
   // Obtain Collections
   edm::ESHandle<TransientTrackBuilder> transTrackBuilder;
   iSetup.get<TransientTrackRecord>().get("TransientTrackBuilder", transTrackBuilder);
 
   edm::Handle<std::vector<reco::PFTau>> Tau;
   iEvent.getByLabel(PFTauTag_, Tau);
 
   edm::Handle<edm::AssociationVector<PFTauRefProd, std::vector<reco::PFTauTransverseImpactParameterRef>>> TIPAV;
   iEvent.getByLabel(PFTauTIPTag_, TIPAV);
 
   auto AVPFTau3PS = std::make_unique<edm::AssociationVector<PFTauRefProd, std::vector<reco::PFTau3ProngSummaryRef>>>(
       PFTauRefProd(Tau));
   auto PFTau3PSCollection_out = std::make_unique<PFTau3ProngSummaryCollection>();
   reco::PFTau3ProngSummaryRefProd PFTau3RefProd_out =
       iEvent.getRefBeforePut<reco::PFTau3ProngSummaryCollection>("PFTau3ProngSummary");
 
   // Load each discriminator
   for (auto& disc : discriminators_) {
     iEvent.getByLabel(disc->inputTag_, disc->handle_);
   }
 
   // For each Tau Run Algorithim
   if (Tau.isValid()) {
     for (reco::PFTauCollection::size_type iPFTau = 0; iPFTau < Tau->size(); iPFTau++) {
       reco::PFTauRef tau(Tau, iPFTau);
       reco::PFTau3ProngSummary PFTau3PS;
       // Check if it passed all the discrimiantors
       bool passed(true);
       for (auto const& disc : discriminators_) {
         // Check this discriminator passes
         bool passedDisc = true;
         if (disc->cutFormula_)
           passedDisc = (disc->cutFormula_->Eval((*disc->handle_)[tau]) > 0.5);
         else
           passedDisc = ((*disc->handle_)[tau] > disc->cut_);
         if (!passedDisc) {
           passed = false;
           break;
         }
       }
       if (passed && cut_.get()) {
         passed = (*cut_)(*tau);
       }
       if (passed) {
         PDGInfo pdgInfo;
         const reco::PFTauTransverseImpactParameterRef theTIP = TIPAV->value(tau.key());
         const reco::VertexRef primaryVertex = theTIP->primaryVertex();
         // Now compute the 3 prong Tau
         bool SecondaryVtxOK(false);
         LorentzVectorParticle a1;
         if (theTIP->hasSecondaryVertex() && primaryVertex->ndof() > ndfPVT_) {
           const VertexRef secVtx = theTIP->secondaryVertex();
           GlobalPoint sv(secVtx->position().x(), secVtx->position().y(), secVtx->position().z());
           double vtxchi2(0), vtxndf(1);
           if (useKalmanFit == Algorithm_) {
             vtxchi2 = secVtx->chi2();
             vtxndf = secVtx->ndof();
             const std::vector<reco::Track>& selectedTracks = secVtx->refittedTracks();
             std::vector<reco::TransientTrack> transTrkVect;
             for (unsigned int i = 0; i != selectedTracks.size(); i++)
               transTrkVect.push_back(transTrackBuilder->build(selectedTracks[i]));
             KinematicParticleFactoryFromTransientTrack kinFactory;
             float piMassSigma(1.e-6), piChi(0.0), piNdf(0.0);
             std::vector<RefCountedKinematicParticle> pions;
             for (unsigned int i = 0; i < transTrkVect.size(); i++)
               pions.push_back(kinFactory.particle(transTrkVect[i], pdgInfo.pi_mass(), piChi, piNdf, sv, piMassSigma));
             RefCountedKinematicTree jpTree = kpvFitter_.fit(pions);
             jpTree->movePointerToTheTop();
             const KinematicParameters parameters = jpTree->currentParticle()->currentState().kinematicParameters();
             AlgebraicSymMatrix77 cov = jpTree->currentParticle()->currentState().kinematicParametersError().matrix();
             // get pions
             double c(0);
             std::vector<reco::Track> Tracks;
             std::vector<LorentzVectorParticle> ReFitPions;
             for (unsigned int i = 0; i < transTrkVect.size(); i++) {
               c += transTrkVect[i].charge();
               ReFitPions.push_back(ParticleBuilder::createLorentzVectorParticle(transTrkVect[i], *secVtx, true, true));
             }
             // now covert a1 into LorentzVectorParticle
             TVectorT<double> a1_par(LorentzVectorParticle::NLorentzandVertexPar);
             TMatrixTSym<double> a1_cov(LorentzVectorParticle::NLorentzandVertexPar);
             for (int i = 0; i < LorentzVectorParticle::NLorentzandVertexPar; i++) {
               a1_par(i) = parameters(i);
               for (int j = 0; j < LorentzVectorParticle::NLorentzandVertexPar; j++) {
                 a1_cov(i, j) = cov(i, j);
               }
             }
             a1 = LorentzVectorParticle(
                 a1_par, a1_cov, abs(PdtPdgMini::a_1_plus) * c, c, transTrackBuilder->field()->inInverseGeV(sv).z());
             SecondaryVtxOK = true;
             PFTau3PS = reco::PFTau3ProngSummary(theTIP, a1.p4(), vtxchi2, vtxndf);
           } else if (useTrackHelix == Algorithm_) {
             // use Track Helix
             std::vector<TrackParticle> pions;
             GlobalPoint pvpoint(
                 primaryVertex->position().x(), primaryVertex->position().y(), primaryVertex->position().z());
             const std::vector<edm::Ptr<reco::Candidate>> cands = tau->signalChargedHadrCands();
             for (std::vector<edm::Ptr<reco::Candidate>>::const_iterator iter = cands.begin(); iter != cands.end();
                  ++iter) {
               const reco::Track* track = getTrack(**iter);
               if (track != nullptr) {
                 reco::TransientTrack transTrk = transTrackBuilder->build(*track);
                 pions.push_back(ParticleBuilder::createTrackParticle(transTrk, pvpoint, true, true));
               }
             }
             TVector3 pv(secVtx->position().x(), secVtx->position().y(), secVtx->position().z());
             Chi2VertexFitter chi2v(pions, pv);
             SecondaryVtxOK = chi2v.fit();
             double c(0);
             for (unsigned int i = 0; i < pions.size(); i++) {
               c += pions[i].charge();
             }
             int pdgid = abs(PdtPdgMini::a_1_plus) * c;
             a1 = chi2v.getMother(pdgid);
             PFTau3PS = reco::PFTau3ProngSummary(theTIP, a1.p4(), vtxchi2, vtxndf);
           }
         }
         if (SecondaryVtxOK) {
           // Tau Solver
           TVector3 pv(primaryVertex->position().x(), primaryVertex->position().y(), primaryVertex->position().z());
           TMatrixTSym<double> pvcov(LorentzVectorParticle::NVertex);
           math::Error<LorentzVectorParticle::NVertex>::type pvCov;
           primaryVertex->fill(pvCov);
           for (int i = 0; i < LorentzVectorParticle::NVertex; i++) {
             for (int j = 0; j < LorentzVectorParticle::NVertex; j++) {
               pvcov(i, j) = pvCov(i, j);
             }
           }
           for (unsigned int i = 0; i < PFTau3ProngSummary::nsolutions; i++) {
             TauA1NuConstrainedFitter TauA1NU(i, a1, pv, pvcov);
             bool isFitOK = TauA1NU.fit();
             if (isFitOK) {
               LorentzVectorParticle theTau = TauA1NU.getMother();
               std::vector<LorentzVectorParticle> daughter = TauA1NU.getRefitDaughters();
               std::vector<TLorentzVector> daughter_p4;
               std::vector<int> daughter_charge, daughter_PDGID;
               for (unsigned int d = 0; d < daughter.size(); d++) {
                 daughter_p4.push_back(daughter[d].p4());
                 daughter_charge.push_back((int)daughter[d].charge());
                 daughter_PDGID.push_back(daughter[d].pdgId());
               }
               PFTau3PS.AddSolution(i, theTau.p4(), daughter_p4, daughter_charge, daughter_PDGID, (isFitOK), 0.0, -999);
             }
           }
         }
       }
       reco::PFTau3ProngSummaryRef PFTau3PSRef =
           reco::PFTau3ProngSummaryRef(PFTau3RefProd_out, PFTau3PSCollection_out->size());
       PFTau3PSCollection_out->push_back(PFTau3PS);
       AVPFTau3PS->setValue(iPFTau, PFTau3PSRef);
     }
   }
   iEvent.put(std::move(PFTau3PSCollection_out), "PFTau3ProngSummary");
   iEvent.put(std::move(AVPFTau3PS));
 }

Member Data Documentation

int PFTau3ProngReco::Algorithm_

private

Definition at line 92 of file PFTau3ProngReco.cc.

Referenced by produce().

std::unique_ptr<StringCutObjectSelector<reco::PFTau> > PFTau3ProngReco::cut_

private

Definition at line 94 of file PFTau3ProngReco.cc.

Referenced by PFTau3ProngReco(), and produce().

DiscCutPairVec PFTau3ProngReco::discriminators_

private

Definition at line 93 of file PFTau3ProngReco.cc.

Referenced by PFTau3ProngReco(), and produce().

KinematicParticleVertexFitter PFTau3ProngReco::kpvFitter_

private

Definition at line 96 of file PFTau3ProngReco.cc.

Referenced by produce().

int PFTau3ProngReco::ndfPVT_

private

Definition at line 95 of file PFTau3ProngReco.cc.

Referenced by produce().

edm::InputTag PFTau3ProngReco::PFTauTag_

private

Definition at line 90 of file PFTau3ProngReco.cc.

Referenced by produce().

edm::InputTag PFTau3ProngReco::PFTauTIPTag_

private

Definition at line 91 of file PFTau3ProngReco.cc.

Referenced by produce().

Classes

Public Types

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation