#include <RecoBTag/PixelJetPuId/src/PixelJetPuId.cc>

Inheritance diagram for PixelJetPuId:

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

	~PixelJetPuId () 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 Member Functions
void	produce (edm::StreamID sid, edm::Event &, const edm::EventSetup &) const override

Private Attributes
edm::EDGetTokenT< edm::View< reco::Jet > >	generaljetsToken

edm::EDGetTokenT< edm::View< reco::CaloJet > >	jetsToken

bool	m_fwjets

edm::InputTag	m_jets

double	m_MaxTrackChi2

double	m_MaxTrackDistanceToJet

double	m_minet_fwjets

double	m_mineta_fwjets

double	m_MinGoodJetTrackPt

double	m_MinGoodJetTrackPtRatio

double	m_MinTrackPt

edm::InputTag	m_primaryVertex

edm::InputTag	m_tracks

edm::EDGetTokenT< reco::VertexCollection >	primaryVertexToken

edm::EDGetTokenT< std::vector< reco::Track > >	tracksToken

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

Description: The PixelJetPuId module select all the pixel tracks compatible with a jet. If the sum of the tracks momentum is under a threshold the jet is tagged as "PUjets".

Implementation: [Notes on implementation]

Definition at line 55 of file PixelJetPuId.cc.

Constructor & Destructor Documentation

◆ PixelJetPuId()

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

Definition at line 89 of file PixelJetPuId.cc.

                                                          {
   //InputTag
   m_tracks = iConfig.getParameter<edm::InputTag>("tracks");
   tracksToken = consumes<std::vector<reco::Track> >(m_tracks);
   m_jets = iConfig.getParameter<edm::InputTag>("jets");
   jetsToken = consumes<edm::View<reco::CaloJet> >(m_jets);
   generaljetsToken = consumes<edm::View<reco::Jet> >(m_jets);
   m_primaryVertex = iConfig.getParameter<edm::InputTag>("primaryVertex");
   primaryVertexToken = consumes<reco::VertexCollection>(m_primaryVertex);
  
   //Tracks Selection
   m_MinTrackPt = iConfig.getParameter<double>("MinTrackPt");
   m_MaxTrackDistanceToJet = iConfig.getParameter<double>("MaxTrackDistanceToJet");
   m_MaxTrackChi2 = iConfig.getParameter<double>("MaxTrackChi2");
  
   //A jet is defined as a signal jet if Sum(trackPt) > minPt or Sum(comp.trackPt)/CaloJetPt > minPtRatio
   m_MinGoodJetTrackPt = iConfig.getParameter<double>("MinGoodJetTrackPt");
   m_MinGoodJetTrackPtRatio = iConfig.getParameter<double>("MinGoodJetTrackPtRatio");
  
   m_fwjets = iConfig.getParameter<bool>("UseForwardJetsAsNoPU");
   m_mineta_fwjets = iConfig.getParameter<double>("MinEtaForwardJets");
   m_minet_fwjets = iConfig.getParameter<double>("MinEtForwardJets");
  
   produces<std::vector<reco::CaloJet> >();
   produces<std::vector<reco::CaloJet> >("PUjets");
   produces<reco::JetTagCollection>();
 }

References generaljetsToken, edm::ParameterSet::getParameter(), jetsToken, m_fwjets, m_jets, m_MaxTrackChi2, m_MaxTrackDistanceToJet, m_minet_fwjets, m_mineta_fwjets, m_MinGoodJetTrackPt, m_MinGoodJetTrackPtRatio, m_MinTrackPt, m_primaryVertex, m_tracks, primaryVertexToken, and tracksToken.

◆ ~PixelJetPuId()

PixelJetPuId::~PixelJetPuId ( )

overridedefault

Member Function Documentation

◆ fillDescriptions()

void PixelJetPuId::fillDescriptions ( edm::ConfigurationDescriptions & descriptions )

static

Definition at line 119 of file PixelJetPuId.cc.

                                                                               {
   edm::ParameterSetDescription desc;
   desc.add<edm::InputTag>("jets", edm::InputTag("hltCaloJetL1FastJetCorrected"));
   desc.add<edm::InputTag>("tracks", edm::InputTag("hltPixelTracksNoPU"));
   desc.add<edm::InputTag>("primaryVertex", edm::InputTag("hltFastPVPixelVertices"));
   desc.add<double>("MinGoodJetTrackPtRatio", 0.045);
   desc.add<double>("MinGoodJetTrackPt", 1.8);
   desc.add<double>("MaxTrackDistanceToJet", 0.04);
   desc.add<double>("MinTrackPt", 0.6);
   desc.add<double>("MaxTrackChi2", 20.);
   desc.add<bool>("UseForwardJetsAsNoPU", true);
   desc.add<double>("MinEtaForwardJets", 2.4);
   desc.add<double>("MinEtForwardJets", 40.);
   descriptions.add("pixelJetPuId", desc);
 }

References edm::ConfigurationDescriptions::add(), edm::ParameterSetDescription::add(), and HLT_2018_cff::InputTag.

◆ produce()

void PixelJetPuId::produce	(	edm::StreamID	sid,
		edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)		const

overrideprivatevirtual

Implements edm::global::EDProducerBase.

Definition at line 140 of file PixelJetPuId.cc.

                                                                                                {
   using namespace edm;
   std::unique_ptr<std::vector<reco::CaloJet> > pOut(new std::vector<reco::CaloJet>);
   std::unique_ptr<std::vector<reco::CaloJet> > pOut_PUjets(new std::vector<reco::CaloJet>);
   std::unique_ptr<reco::JetTagCollection> pOut_jetTagCollection(new reco::JetTagCollection);
  
   //get tracks
   Handle<std::vector<reco::Track> > tracks;
   iEvent.getByToken(tracksToken, tracks);
   unsigned int tsize = tracks->size();
   float teta[tsize], tphi[tsize];
   unsigned int i = 0;
   for (auto const& tr : *tracks) {
     teta[i] = tr.eta();
     tphi[i] = tr.phi();
     ++i;
   }
  
   //get jets
   Handle<edm::View<reco::CaloJet> > jets;
   iEvent.getByToken(jetsToken, jets);
  
   Handle<edm::View<reco::Jet> > generaljets;
   iEvent.getByToken(generaljetsToken, generaljets);
  
   //get primary vertices
   Handle<reco::VertexCollection> primaryVertex;
   iEvent.getByToken(primaryVertexToken, primaryVertex);
  
   //get Transient Track Builder
   edm::ESHandle<TransientTrackBuilder> builder;
   iSetup.get<TransientTrackRecord>().get("TransientTrackBuilder", builder);
  
   //init JetTagCollection
   if (!generaljets.product()->empty()) {
     edm::RefToBase<reco::Jet> jj = edm::RefToBase<reco::Jet>(generaljets, 0);
     pOut_jetTagCollection.reset(new reco::JetTagCollection(edm::makeRefToBaseProdFrom(jj, iEvent)));
   }
  
   //loop on trackIPTagInfos
   if (!primaryVertex->empty()) {
     const reco::Vertex* pv = &*primaryVertex->begin();
     //loop on jets
     for (edm::View<reco::CaloJet>::const_iterator itJet = jets->begin(); itJet != jets->end(); itJet++) {
       math::XYZVector jetMomentum = itJet->momentum();
       GlobalVector direction(jetMomentum.x(), jetMomentum.y(), jetMomentum.z());
  
       math::XYZVector trMomentum;
  
       if (fabs(itJet->eta()) > m_mineta_fwjets) {
         if ((m_fwjets) && (itJet->et() > m_minet_fwjets))
           pOut->push_back(*itJet);  // fill forward jet as signal jet
       } else {
         //loop on tracks
         auto itTrack = tracks->begin();
         for (unsigned int i = 0; i < tsize; ++i) {
           float deltaR2 = reco::deltaR2(itJet->eta(), itJet->phi(), teta[i], tphi[i]);
           if (deltaR2 < 0.25) {
             reco::TransientTrack transientTrack = builder->build(*itTrack);
             float jetTrackDistance = -((IPTools::jetTrackDistance(transientTrack, direction, *pv)).second).value();
  
             //select the tracks compabible with the jet
             if ((itTrack->pt() > m_MinTrackPt) && (itTrack->normalizedChi2() < m_MaxTrackChi2) &&
                 (jetTrackDistance < m_MaxTrackDistanceToJet)) {
               trMomentum += itTrack->momentum();  //calculate the Sum(trackPt)
             }
           }
           itTrack++;
         }
         //if Sum(comp.trackPt)/CaloJetPt > minPtRatio or Sum(trackPt) > minPt  the jet is a signal jet
         if (trMomentum.rho() / jetMomentum.rho() > m_MinGoodJetTrackPtRatio || trMomentum.rho() > m_MinGoodJetTrackPt) {
           pOut->push_back(*itJet);  // fill it as signal jet
         } else                      //else it is a PUjet
         {
           pOut_PUjets->push_back(*itJet);  // fill it as PUjets
         }
       }
       RefToBase<reco::Jet> jRef(generaljets, itJet - jets->begin());
       (*pOut_jetTagCollection)[jRef] = trMomentum.rho();  // fill jetTagCollection
     }
   }
   iEvent.put(std::move(pOut));
   iEvent.put(std::move(pOut_PUjets), "PUjets");
   iEvent.put(std::move(pOut_jetTagCollection));
 }