#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	hasAbilityToProduceInLumis () const final

bool	hasAbilityToProduceInRuns () 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

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 () 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

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)

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::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 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

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 56 of file PixelJetPuId.cc.

Constructor & Destructor Documentation

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

Definition at line 91 of file PixelJetPuId.cc.

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, tracksToken, and ~PixelJetPuId().

 {
     //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>();
 }

PixelJetPuId::~PixelJetPuId ( )

overridedefault

Referenced by PixelJetPuId().

Member Function Documentation

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

static

Definition at line 125 of file PixelJetPuId.cc.

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

                                                                          {
     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);
 }

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

overrideprivate

Definition at line 146 of file PixelJetPuId.cc.

References TransientTrackBuilder::build(), DEFINE_FWK_MODULE, reco::deltaR2(), generaljetsToken, edm::EventSetup::get(), edm::Event::getByToken(), mps_fire::i, fwrapper::jets, jetsToken, IPTools::jetTrackDistance(), findQualityFiles::jj, m_fwjets, m_MaxTrackChi2, m_MaxTrackDistanceToJet, m_minet_fwjets, m_mineta_fwjets, m_MinGoodJetTrackPt, m_MinGoodJetTrackPtRatio, m_MinTrackPt, edm::makeRefToBaseProdFrom(), eostools::move(), impactParameterTagInfos_cfi::primaryVertex, primaryVertexToken, edm::Handle< T >::product(), edm::Event::put(), MetAnalyzer::pv(), edm::second(), l1t::tracks, and tracksToken.

 {
     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));
 }