JetTracksAssociationXtrpCalo Class Reference

#include <JetTracksAssociationXtrpCalo.h>

Public Types
typedef reco::JetTracksAssociation::Container	Association
typedef edm::RefToBase< reco::Jet >	JetRef
typedef std::vector< JetRef >	JetRefs
typedef std::vector< reco::TrackRef >	TrackRefs

Public Member Functions
void	associateInputTracksToJet (reco::TrackRefVector &associated, const reco::Jet &fJet, std::vector< reco::TrackExtrapolation > const &fExtrapolations, double dR)
	JetTracksAssociationXtrpCalo ()
	Constructor. More...
void	produce (Association *, JetRefs const &, std::vector< reco::TrackExtrapolation > const &, CaloGeometry const &, double dR)
	Associates tracks to jets. More...
virtual	~JetTracksAssociationXtrpCalo ()
	Destructor. More...

Private Member Functions
virtual void	associateTracksToJet (reco::TrackRefVector &, const reco::Jet &, const TrackRefs &)
	Unused. More...

Detailed Description

Definition at line 25 of file JetTracksAssociationXtrpCalo.h.

Member Typedef Documentation

Association

typedef reco::JetTracksAssociation::Container JetTracksAssociationXtrpCalo::Association

Definition at line 27 of file JetTracksAssociationXtrpCalo.h.

JetRef

typedef edm::RefToBase<reco::Jet> JetTracksAssociationXtrpCalo::JetRef

Definition at line 28 of file JetTracksAssociationXtrpCalo.h.

JetRefs

typedef std::vector<JetRef> JetTracksAssociationXtrpCalo::JetRefs

Definition at line 29 of file JetTracksAssociationXtrpCalo.h.

TrackRefs

typedef std::vector<reco::TrackRef> JetTracksAssociationXtrpCalo::TrackRefs

Definition at line 30 of file JetTracksAssociationXtrpCalo.h.

Constructor & Destructor Documentation

JetTracksAssociationXtrpCalo()

JetTracksAssociationXtrpCalo::JetTracksAssociationXtrpCalo

(

)

Constructor.

Definition at line 21 of file JetTracksAssociationXtrpCalo.cc.

{}

~JetTracksAssociationXtrpCalo()

JetTracksAssociationXtrpCalo::~JetTracksAssociationXtrpCalo ( )

virtual

Destructor.

Definition at line 25 of file JetTracksAssociationXtrpCalo.cc.

{}

Member Function Documentation

associateInputTracksToJet()

void JetTracksAssociationXtrpCalo::associateInputTracksToJet	(	reco::TrackRefVector &	associated,
		const reco::Jet &	fJet,
		std::vector< reco::TrackExtrapolation > const &	fExtrapolations,
		double	dR
	)

Definition at line 43 of file JetTracksAssociationXtrpCalo.cc.

               {
  reco::CaloJet const* pCaloJet = dynamic_cast<reco::CaloJet const*>(&fJet);
  if (pCaloJet == nullptr) {
    throw cms::Exception("InvalidInput") << "Expecting calo jets only in JetTracksAssociationXtrpCalo";
  }
  // Loop over CaloTowers
  double jetPhi = pCaloJet->phi();
  double jetEta = pCaloJet->detectorP4().eta();
 
  // now cache the mapping of (det ID --> track)
 
  //  std::cout<<" New jet "<<jetEta<<" "<<jetPhi<<" Jet ET "<<pCaloJet->et()<<std::endl;
 
  for (std::vector<reco::TrackExtrapolation>::const_iterator xtrpBegin = fExtrapolations.begin(),
                                                             xtrpEnd = fExtrapolations.end(),
                                                             ixtrp = xtrpBegin;
       ixtrp != xtrpEnd;
       ++ixtrp) {
    if (ixtrp->positions().empty())
      continue;
    reco::TrackBase::Point const& point = ixtrp->positions().at(0);
 
    double dr = reco::deltaR<double>(jetEta, jetPhi, point.eta(), point.phi());
    if (dr < dR) {
      //    std::cout<<" JetTracksAssociationXtrpCalo::associateInputTracksToJet:: initial track "<<ixtrp->track()->pt()<<" "<<ixtrp->track()->eta()<<
      //    " "<<ixtrp->track()->phi()<< " Extrapolated position "<<point.eta()<<" "<<point.phi()<<" Valid? "<<ixtrp->isValid().at(0)<<" Jet eta, phi "<<jetEta<<" "<<jetPhi<<" Jet ET "<<pCaloJet->et()<<
      //    " dr "<<dr<<" dR "<<dR<<std::endl;
 
      reco::TrackRef matchedTrack = ixtrp->track();
      associated.push_back(matchedTrack);
    }
  }
}

References reco::CaloJet::detectorP4(), HGC3DClusterGenMatchSelector_cfi::dR, flavorHistoryFilter_cfi::dr, Exception, reco::btau::jetEta, reco::btau::jetPhi, reco::LeafCandidate::phi(), point, and edm::RefVector< C, T, F >::push_back().

Referenced by produce().

associateTracksToJet()

virtual void JetTracksAssociationXtrpCalo::associateTracksToJet ( reco::TrackRefVector &  , const reco::Jet &  , const TrackRefs &    )

inlineprivatevirtual

Unused.

Definition at line 48 of file JetTracksAssociationXtrpCalo.h.

{}

produce()

void JetTracksAssociationXtrpCalo::produce	(	Association *	fAssociation,
		JetRefs const &	fJets,
		std::vector< reco::TrackExtrapolation > const &	fExtrapolations,
		CaloGeometry const &	fGeo,
		double	dR
	)

Associates tracks to jets.

Definition at line 30 of file JetTracksAssociationXtrpCalo.cc.

                                                      {
  for (JetRefs::const_iterator jetsBegin = fJets.begin(), jetsEnd = fJets.end(), ijet = jetsBegin; ijet != jetsEnd;
       ++ijet) {
    reco::TrackRefVector associated;
    associateInputTracksToJet(associated, **ijet, fExtrapolations, dR);
    reco::JetTracksAssociation::setValue(fAssociation, *ijet, associated);
  }
}

References associateInputTracksToJet(), HGC3DClusterGenMatchSelector_cfi::dR, and reco::JetTracksAssociation::setValue().

Referenced by JetTracksAssociatorAtCaloFace::produce().