GenVisTauProducer Class Reference

Inheritance diagram for GenVisTauProducer:

Public Member Functions
	GenVisTauProducer (const edm::ParameterSet &params)
void	produce (edm::StreamID id, edm::Event &evt, const edm::EventSetup &es) const override
	~GenVisTauProducer () override
Public Member Functions inherited from edm::global::EDProducer<>
	EDProducer ()=default
bool	hasAbilityToProduceInBeginLumis () const final
bool	hasAbilityToProduceInBeginRuns () const final
bool	hasAbilityToProduceInEndLumis () const final
bool	hasAbilityToProduceInEndRuns () const final
bool	wantsGlobalLuminosityBlocks () const final
bool	wantsGlobalRuns () const final
bool	wantsStreamLuminosityBlocks () const final
bool	wantsStreamRuns () const final
Public Member Functions inherited from edm::global::EDProducerBase
	EDProducerBase ()
ModuleDescription const &	moduleDescription () const
	~EDProducerBase () 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
std::vector< bool > const &	recordProvenanceList () 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)
TypeLabelList const &	typeLabelList () const
	used by the fwk to register the list of products of this module More...
	~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 &&)=default
	EDConsumerBase (EDConsumerBase const &)=delete
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 &	operator= (EDConsumerBase &&)=default
EDConsumerBase const &	operator= (EDConsumerBase const &)=delete
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)

Static Public Member Functions
static void	fillDescriptions (edm::ConfigurationDescriptions &descriptions)
Static Public Member Functions inherited from edm::global::EDProducerBase
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
static void	prevalidate (ConfigurationDescriptions &descriptions)

Private Attributes
const GreaterByPt< reco::GenParticle >	pTComparator_
const edm::EDGetTokenT< reco::GenJetCollection >	src_
const edm::EDGetTokenT< reco::GenParticleCollection >	srcGenParticles_

Additional Inherited Members
Public Types inherited from edm::global::EDProducerBase
typedef EDProducerBase	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
Protected Member Functions inherited from edm::ProducerBase
template<class ProductType >
BranchAliasSetterT< ProductType >	produces ()
	declare what type of product will make and with which optional label More...
template<typename ProductType , BranchType B>
BranchAliasSetterT< ProductType >	produces ()
template<typename ProductType , Transition B>
BranchAliasSetterT< ProductType >	produces ()
BranchAliasSetter	produces (const TypeID &id, std::string instanceName=std::string(), bool recordProvenance=true)
template<BranchType B>
BranchAliasSetter	produces (const TypeID &id, std::string instanceName=std::string(), bool recordProvenance=true)
template<Transition B>
BranchAliasSetter	produces (const TypeID &id, std::string instanceName=std::string(), bool recordProvenance=true)
template<typename ProductType , Transition B>
BranchAliasSetterT< ProductType >	produces (std::string instanceName)
template<class ProductType >
BranchAliasSetterT< ProductType >	produces (std::string instanceName)
template<typename ProductType , BranchType B>
BranchAliasSetterT< ProductType >	produces (std::string instanceName)
ProducesCollector	producesCollector ()
Protected Member Functions inherited from edm::EDConsumerBase
EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (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)
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)
template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)

Detailed Description

Definition at line 19 of file GenVisTauProducer.cc.

Constructor & Destructor Documentation

GenVisTauProducer()

GenVisTauProducer::GenVisTauProducer ( const edm::ParameterSet &  params )

inline

Definition at line 21 of file GenVisTauProducer.cc.

      : src_(consumes<reco::GenJetCollection>(params.getParameter<edm::InputTag>("src"))),
        srcGenParticles_(consumes<reco::GenParticleCollection>(params.getParameter<edm::InputTag>("srcGenParticles"))),
        pTComparator_() {
    produces<reco::GenParticleCollection>();
  }

~GenVisTauProducer()

GenVisTauProducer::~GenVisTauProducer ( )

inlineoverride

Definition at line 28 of file GenVisTauProducer.cc.

{}

Member Function Documentation

fillDescriptions()

static void GenVisTauProducer::fillDescriptions ( edm::ConfigurationDescriptions &  descriptions )

inlinestatic

Definition at line 91 of file GenVisTauProducer.cc.

                                                                           {
    edm::ParameterSetDescription desc;
    desc.add<edm::InputTag>("src")->setComment("collection of visible gen taus (as reco::GenJetCollection)");
    desc.add<edm::InputTag>("srcGenParticles")->setComment("collections of gen particles");
    descriptions.add("genVisTaus", desc);
  }

References edm::ConfigurationDescriptions::add(), and edm::ParameterSetDescription::add().

produce()

void GenVisTauProducer::produce ( edm::StreamID  id, edm::Event &  evt, const edm::EventSetup &  es  ) const

inlineoverridevirtual

Implements edm::global::EDProducerBase.

Definition at line 30 of file GenVisTauProducer.cc.

                                                                                      {
    edm::Handle<reco::GenJetCollection> genTauJets;
    evt.getByToken(src_, genTauJets);
 
    edm::Handle<reco::GenParticleCollection> genParticles;
    evt.getByToken(srcGenParticles_, genParticles);
    size_t numGenParticles = genParticles->size();
 
    auto genVisTaus = std::make_unique<reco::GenParticleCollection>();
 
    for (const auto& genTauJet : *genTauJets) {
      std::string decayMode_string = JetMCTagUtils::genTauDecayMode(genTauJet);
      // CV: store hadronic tau decays only
      if (decayMode_string == "electron" || decayMode_string == "muon")
        continue;
      int decayMode = reco::PFTau::kNull;
      if (decayMode_string == "oneProng0Pi0")
        decayMode = reco::PFTau::kOneProng0PiZero;
      else if (decayMode_string == "oneProng1Pi0")
        decayMode = reco::PFTau::kOneProng1PiZero;
      else if (decayMode_string == "oneProng2Pi0")
        decayMode = reco::PFTau::kOneProng2PiZero;
      else if (decayMode_string == "threeProng0Pi0")
        decayMode = reco::PFTau::kThreeProng0PiZero;
      else if (decayMode_string == "threeProng1Pi0")
        decayMode = reco::PFTau::kThreeProng1PiZero;
      else
        decayMode = reco::PFTau::kRareDecayMode;
 
      int pdgId = (genTauJet.charge() > 0) ? -15 : +15;
 
      // CV: store decayMode in status flag of GenParticle object
      reco::GenParticle genVisTau(genTauJet.charge(), genTauJet.p4(), genTauJet.vertex(), pdgId, decayMode, true);
 
      // CV: find tau lepton "mother" particle
      for (size_t idxGenParticle = 0; idxGenParticle < numGenParticles; ++idxGenParticle) {
        const reco::GenParticle& genTau = (*genParticles)[idxGenParticle];
        if (abs(genTau.pdgId()) == 15 && genTau.status() == 2) {
          reco::Candidate::LorentzVector daughterVisP4;
          for (const reco::GenParticleRef& daughter : genTau.daughterRefVector()) {
            int abs_pdgId = abs(daughter->pdgId());
            // CV: skip neutrinos
            if (abs_pdgId == 12 || abs_pdgId == 14 || abs_pdgId == 16)
              continue;
            daughterVisP4 += daughter->p4();
          }
          double dR2 = deltaR2(daughterVisP4, genVisTau);
          if (dR2 < 1.e-4) {
            genVisTau.addMother(reco::GenParticleRef(genParticles, idxGenParticle));
            break;
          }
        }
      }
 
      genVisTaus->push_back(genVisTau);
    }
 
    std::sort(genVisTaus->begin(), genVisTaus->end(), pTComparator_);
    evt.put(std::move(genVisTaus));
  }

References funct::abs(), reco::CompositeRefCandidateT< D >::daughterRefVector(), taus_cff::decayMode, HLTMuonOfflineAnalyzer_cfi::deltaR2, MillePedeFileConverter_cfg::e, genParticles2HepMC_cfi::genParticles, JetMCTagUtils::genTauDecayMode(), taus_cff::genVisTaus, edm::Event::getByToken(), reco::PFTau::kNull, reco::PFTau::kOneProng0PiZero, reco::PFTau::kOneProng1PiZero, reco::PFTau::kOneProng2PiZero, reco::PFTau::kRareDecayMode, reco::PFTau::kThreeProng0PiZero, reco::PFTau::kThreeProng1PiZero, eostools::move(), EgammaValidation_cff::pdgId, reco::LeafCandidate::pdgId(), pTComparator_, edm::Event::put(), src_, srcGenParticles_, reco::LeafCandidate::status(), and AlCaHLTBitMon_QueryRunRegistry::string.

Member Data Documentation

pTComparator_

const GreaterByPt<reco::GenParticle> GenVisTauProducer::pTComparator_

private

Definition at line 101 of file GenVisTauProducer.cc.

Referenced by produce().

src_

const edm::EDGetTokenT<reco::GenJetCollection> GenVisTauProducer::src_

private

Definition at line 99 of file GenVisTauProducer.cc.

Referenced by produce().

srcGenParticles_

const edm::EDGetTokenT<reco::GenParticleCollection> GenVisTauProducer::srcGenParticles_

private

Definition at line 100 of file GenVisTauProducer.cc.

Referenced by produce().