Jets made out of tracks. More...

#include <TrackJet.h>

Inheritance diagram for reco::TrackJet:

Public Member Functions
virtual TrackJet *	clone () const
	Polymorphic clone. More...

bool	fromHardVertex () const
	check jet to be associated to the hard primary vertex More...

size_t	numberOfTracks () const
	Number of track daughters. More...

const reco::VertexRef	primaryVertex () const
	get associated primary vertex More...

virtual std::string	print () const
	Print object. More...

void	resetCharge ()
	calculate and set the charge by adding up the constituting track charges More...

void	setPrimaryVertex (const reco::VertexRef &vtx)
	set associated primary vertex More...

virtual edm::Ptr< reco::Track >	track (size_t i) const
	Return Ptr to the track costituent. More...

	TrackJet ()
	Default constructor. More...

	TrackJet (const LorentzVector &fP4, const Point &fVertex)
	Constructor without constituents. More...

	TrackJet (const LorentzVector &fP4, const Point &fVertex, const Jet::Constituents &fConstituents)
	Constructor from RecoChargedRefCandidate constituents. More...

std::vector< edm::Ptr < reco::Track > >	tracks () const
	Return pointers to all track costituents. More...

virtual	~TrackJet ()
	Destructor. More...

Public Member Functions inherited from reco::Jet
float	constituentEtaPhiSpread () const

float	constituentPtDistribution () const

float	etaetaMoment () const
	eta-eta second moment, ET weighted More...

float	etaphiMoment () const
	eta-phi second moment, ET weighted More...

EtaPhiMoments	etaPhiStatistics () const
	eta-phi statistics, ET weighted More...

float	etInAnnulus (float fRmin, float fRmax) const
	ET in annulus between rmin and rmax around jet direction. More...

virtual Constituents	getJetConstituents () const
	list of constituents More...

virtual std::vector< const reco::Candidate * >	getJetConstituentsQuick () const
	quick list of constituents More...

bool	isJet () const

	Jet ()
	Default constructor. More...

	Jet (const LorentzVector &fP4, const Point &fVertex)
	Initiator. More...

	Jet (const LorentzVector &fP4, const Point &fVertex, const Constituents &fConstituents)

virtual float	jetArea () const
	get jet area More...

float	maxDistance () const
	maximum distance from jet to constituent More...

int	nCarrying (float fFraction) const
	return # of constituent carrying fraction of energy More...

virtual int	nConstituents () const
	of constituents More...

virtual int	nPasses () const
	number of passes taken by algorithm More...

float	phiphiMoment () const
	phi-phi second moment, ET weighted More...

virtual float	pileup () const
	pileup energy contribution as calculated by algorithm More...

virtual void	scaleEnergy (double fScale)
	scale energy of the jet More...

virtual void	setJetArea (float fArea)
	set jet area More...

virtual void	setNPasses (int fPasses)
	Set number of passes taken by algorithm. More...

virtual void	setPileup (float fEnergy)
	Set pileup energy contribution as calculated by algorithm. More...

virtual	~Jet ()
	Destructor. More...

Public Member Functions inherited from reco::CompositePtrCandidate
void	addDaughter (const CandidatePtr &)
	add a daughter via a reference More...

virtual const_iterator	begin () const
	first daughter const_iterator More...

virtual iterator	begin ()
	first daughter iterator More...

void	clearDaughters ()
	clear daughter references More...

	CompositePtrCandidate ()
	default constructor More...

	CompositePtrCandidate (Charge q, const LorentzVector &p4, const Point &vtx=Point(0, 0, 0), int pdgId=0, int status=0, bool integerCharge=true)
	constructor from values More...

	CompositePtrCandidate (Charge q, const PolarLorentzVector &p4, const Point &vtx=Point(0, 0, 0), int pdgId=0, int status=0, bool integerCharge=true)
	constructor from values More...

	CompositePtrCandidate (const Candidate &p)
	constructor from a Candidate More...

virtual const Candidate *	daughter (size_type) const
	return daughter at a given position, i = 0, ... numberOfDaughters() - 1 (read only mode) More...

virtual Candidate *	daughter (size_type)
	return daughter at a given position, i = 0, ... numberOfDaughters() - 1 More...

CandidatePtr	daughterPtr (size_type i) const
	reference to daughter at given position More...

const daughters &	daughterPtrVector () const
	references to daughtes More...

virtual const_iterator	end () const
	last daughter const_iterator More...

virtual iterator	end ()
	last daughter iterator More...

virtual const Candidate *	mother (size_t i=0) const
	return pointer to mother More...

virtual size_t	numberOfDaughters () const
	number of daughters More...

virtual size_t	numberOfMothers () const
	number of mothers More...

virtual size_type	numberOfSourceCandidatePtrs () const

virtual CandidatePtr	sourceCandidatePtr (size_type i) const

virtual	~CompositePtrCandidate ()
	destructor More...

Public Member Functions inherited from reco::LeafCandidate
template<typename S >
daughter_iterator< S >::type	beginFilter (const S &s) const

virtual Vector	boostToCM () const

virtual int	charge () const
	electric charge More...

virtual Candidate *	daughter (const std::string &s)
	return daughter with a specified role name More...

virtual const Candidate *	daughter (const std::string &s) const
	return daughter with a specified role name More...

template<typename S >
daughter_iterator< S >::type	endFilter (const S &s) const

virtual double	energy () const
	energy More...

virtual double	et () const
	transverse energy More...

virtual float	eta () const
	momentum pseudorapidity More...

virtual void	fillVertexCovariance (CovarianceMatrix &v) const
	fill SMatrix More...

template<typename T >
T	get () const
	get a component More...

template<typename T , typename Tag >
T	get () const
	get a component More...

template<typename T >
T	get (size_type i) const
	get a component More...

template<typename T , typename Tag >
T	get (size_type i) const
	get a component More...

virtual bool	hasMasterClone () const

virtual bool	hasMasterClonePtr () const

virtual bool	isCaloMuon () const

virtual bool	isConvertedPhoton () const

virtual bool	isElectron () const

virtual bool	isGlobalMuon () const

virtual bool	isMuon () const

virtual bool	isPhoton () const

virtual bool	isStandAloneMuon () const

virtual bool	isTrackerMuon () const

	LeafCandidate ()
	default constructor More...

	LeafCandidate (const Candidate &c)

template<typename P4 >
	LeafCandidate (Charge q, const P4 &p4, const Point &vtx=Point(0, 0, 0), int pdgId=0, int status=0, bool integerCharge=true)
	constructor from Any values More...

	LeafCandidate (Charge q, const PtEtaPhiMass &p4, const Point &vtx=Point(0, 0, 0), int pdgId=0, int status=0, bool integerCharge=true)
	constructor from values More...

	LeafCandidate (Charge q, const LorentzVector &p4, const Point &vtx=Point(0, 0, 0), int pdgId=0, int status=0, bool integerCharge=true)
	constructor from values More...

	LeafCandidate (Charge q, const PolarLorentzVector &p4, const Point &vtx=Point(0, 0, 0), int pdgId=0, int status=0, bool integerCharge=true)
	constructor from values More...

	LeafCandidate (Charge q, const GlobalVector &p3, float iEnergy, bool massless, const Point &vtx=Point(0, 0, 0), int pdgId=0, int status=0, bool integerCharge=true)
	constructor from values More...

	LeafCandidate (Charge q, const GlobalVector &p3, float iEnergy, float imass, const Point &vtx=Point(0, 0, 0), int pdgId=0, int status=0, bool integerCharge=true)
	constructor from values More...

virtual bool	longLived () const
	is long lived? More...

virtual float	mass () const
	mass More...

virtual bool	massConstraint () const
	do mass constraint? More...

virtual float	massSqr () const
	mass squared More...

virtual const CandidateBaseRef &	masterClone () const

virtual const CandidatePtr &	masterClonePtr () const

template<typename Ref >
Ref	masterRef () const
	cast master clone reference to a concrete type More...

virtual Vector	momentum () const
	spatial momentum vector More...

virtual double	mt () const
	transverse mass More...

virtual double	mtSqr () const
	transverse mass squared More...

template<typename T >
size_type	numberOf () const
	number of components More...

template<typename T , typename Tag >
size_type	numberOf () const
	number of components More...

virtual double	p () const
	magnitude of momentum vector More...

virtual const LorentzVector &	p4 () const
	four-momentum Lorentz vector More...

virtual int	pdgId () const
	PDG identifier. More...

virtual float	phi () const
	momentum azimuthal angle More...

virtual const PolarLorentzVector &	polarP4 () const
	four-momentum Lorentz vector More...

virtual float	pt () const
	transverse momentum More...

virtual double	px () const
	x coordinate of momentum vector More...

virtual double	py () const
	y coordinate of momentum vector More...

virtual double	pz () const
	z coordinate of momentum vector More...

virtual double	rapidity () const
	rapidity More...

virtual void	setCharge (Charge q)
	set electric charge More...

virtual void	setLongLived ()
	set long lived flag More...

virtual void	setMass (double m)
	set particle mass More...

virtual void	setMassConstraint ()
	set mass constraint flag More...

virtual void	setP4 (const LorentzVector &p4)
	set 4-momentum More...

virtual void	setP4 (const PolarLorentzVector &p4)
	set 4-momentum More...

virtual void	setPdgId (int pdgId)

virtual void	setPz (double pz)

virtual void	setStatus (int status)
	set status word More...

virtual void	setThreeCharge (Charge qx3)
	set electric charge More...

virtual void	setVertex (const Point &vertex)
	set vertex More...

virtual int	status () const
	status word More...

virtual double	theta () const
	momentum polar angle More...

virtual int	threeCharge () const
	electric charge More...

virtual const Point &	vertex () const
	vertex position (overwritten by PF...) More...

virtual double	vertexChi2 () const
	chi-squares More...

virtual double	vertexCovariance (int i, int j) const
	(i, j)-th element of error matrix, i, j = 0, ... 2 More...

CovarianceMatrix	vertexCovariance () const
	return SMatrix More...

virtual double	vertexNdof () const

virtual double	vertexNormalizedChi2 () const
	chi-squared divided by n.d.o.f. More...

virtual double	vx () const
	x coordinate of vertex position More...

virtual double	vy () const
	y coordinate of vertex position More...

virtual double	vz () const
	z coordinate of vertex position More...

virtual double	y () const
	rapidity More...

virtual	~LeafCandidate ()
	destructor More...

Public Member Functions inherited from reco::Candidate
template<typename S >
daughter_iterator< S >::type	beginFilter (const S &s) const

virtual const Track *	bestTrack () const

	Candidate ()
	default constructor More...

template<typename S >
daughter_iterator< S >::type	endFilter (const S &s) const

template<typename T >
T	get () const
	get a component More...

template<typename T , typename Tag >
T	get () const
	get a component More...

template<typename T >
T	get (size_type i) const
	get a component More...

template<typename T , typename Tag >
T	get (size_type i) const
	get a component More...

template<typename Ref >
Ref	masterRef () const
	cast master clone reference to a concrete type More...

template<typename T >
size_type	numberOf () const
	number of components More...

template<typename T , typename Tag >
size_type	numberOf () const
	number of components More...

virtual void	setSourceCandidatePtr (const CandidatePtr &ptr)
	Set the ptr to the source Candidate. More...

virtual	~Candidate ()
	destructor More...

Private Member Functions
virtual bool	overlap (const Candidate &dummy) const
	Polymorphic overlap. More...

Private Attributes
reco::VertexRef	vtx_
	Associated primary vertex. More...

Additional Inherited Members
Public Types inherited from reco::Jet
typedef edm::Ptr< Candidate >	Constituent

typedef std::vector< Constituent >	Constituents

Public Types inherited from reco::CompositePtrCandidate
typedef std::vector< CandidatePtr >	daughters
	collection of references to daughters More...

typedef std::vector< CandidatePtr >	mothers
	collection of references to daughters More...

Public Types inherited from reco::LeafCandidate
typedef int	Charge
	electric charge type More...

typedef CandidateCollection	daughters
	collection of daughter candidates More...

typedef unsigned int	index

typedef math::XYZTLorentzVector	LorentzVector
	Lorentz vector. More...

typedef math::XYZPoint	Point
	point in the space More...

typedef math::PtEtaPhiMLorentzVector	PolarLorentzVector
	Lorentz vector. More...

typedef math::XYZVector	Vector
	point in the space More...

Public Types inherited from reco::Candidate
enum	{ dimension = 3 }

enum	{ size = dimension * (dimension + 1)/2 }
	matix size More...

typedef int	Charge
	electric charge type More...

typedef candidate::const_iterator	const_iterator

typedef math::Error< dimension > ::type	CovarianceMatrix
	covariance error matrix (3x3) More...

typedef unsigned int	index
	index type More...

typedef candidate::iterator	iterator

typedef math::XYZTLorentzVector	LorentzVector
	Lorentz vector. More...

typedef math::XYZPoint	Point
	point in the space More...

typedef math::PtEtaPhiMLorentzVector	PolarLorentzVector
	Lorentz vector. More...

typedef size_t	size_type

typedef math::XYZVector	Vector
	point in the space More...

Static Public Member Functions inherited from reco::Jet
static float	detectorEta (float fZVertex, float fPhysicsEta)
	static function to convert physics eta to detector eta More...

static Candidate::LorentzVector	detectorP4 (const Candidate::Point &vertex, const Candidate &inParticle)

static float	physicsEta (float fZVertex, float fDetectorEta)
	static function to convert detector eta to physics eta More...

static Candidate::LorentzVector	physicsP4 (const Candidate::Point &newVertex, const Candidate &inParticle, const Candidate::Point &oldVertex=Candidate::Point(0, 0, 0))

Static Public Member Functions inherited from reco::LeafCandidate
static double	dmass (GlobalVector v, double e)

static double	magd (GlobalVector v)

Static Public Attributes inherited from reco::LeafCandidate
static const unsigned int	longLivedTag = 65536
	long lived flag More...

static const unsigned int	massConstraintTag = 131072
	do mass constraint flag More...

Protected Member Functions inherited from reco::LeafCandidate
void	cacheCartesian () const
	set internal cache More...

void	cachePolar () const
	set internal cache More...

void	clearCache () const
	clear internal cache More...

Protected Attributes inherited from reco::LeafCandidate
bool	cacheCartesianFixed_

bool	cachePolarFixed_
	has cache been set? More...

float	eta_

float	mass_

LorentzVector	p4Cartesian_
	internal cache for p4 More...

PolarLorentzVector	p4Polar_
	internal cache for p4 More...

int	pdgId_
	PDG identifier. More...

float	phi_

float	pt_
	four-momentum Lorentz vector More...

Charge	qx3_
	electric charge More...

int	status_
	status word More...

Point	vertex_
	vertex position More...

Detailed Description

Jets made out of tracks.

TrackJet represents Jets with tracks as constituents. The consitutents are in this case RecoChargedRefCandidates, that preserve the Refs to the original tracks. Those Refs are used to provide transparent access to the tracks.

Author: Steven Lowette

Definition at line 27 of file TrackJet.h.

Constructor & Destructor Documentation

reco::TrackJet::TrackJet ( )

Default constructor.

Definition at line 8 of file TrackJet.cc.

   : reco::Jet()
 {
 }

reco::TrackJet::TrackJet	(	const LorentzVector &	fP4,
		const Point &	fVertex
	)

Constructor without constituents.

Definition at line 14 of file TrackJet.cc.

   : reco::Jet(fP4, fVertex)
 {
 }

reco::TrackJet::TrackJet	(	const LorentzVector &	fP4,
		const Point &	fVertex,
		const Jet::Constituents &	fConstituents
	)

Constructor from RecoChargedRefCandidate constituents.

Definition at line 20 of file TrackJet.cc.

References resetCharge().

   : reco::Jet(fP4, fVertex, fConstituents)
 {
   this->resetCharge();
 }

virtual reco::TrackJet::~TrackJet ( )

inlinevirtual

Destructor.

Definition at line 38 of file TrackJet.h.

38 {}

Member Function Documentation

reco::TrackJet * reco::TrackJet::clone ( void ) const

virtual

Polymorphic clone.

Reimplemented from reco::CompositePtrCandidate.

Definition at line 28 of file TrackJet.cc.

                                          {
   return new reco::TrackJet(*this);
 }

bool reco::TrackJet::fromHardVertex ( ) const

inline

check jet to be associated to the hard primary vertex

Definition at line 56 of file TrackJet.h.

References primaryVertex().

56 { return (this->primaryVertex().index() == 0); }

reco::LeafCandidate::index

unsigned int index

Definition: LeafCandidate.h:36

reco::TrackJet::primaryVertex

const reco::VertexRef primaryVertex() const

get associated primary vertex

Definition: TrackJet.cc:75

size_t reco::TrackJet::numberOfTracks ( ) const

inline

Number of track daughters.

Definition at line 43 of file TrackJet.h.

References reco::CompositePtrCandidate::numberOfDaughters().

43 { return numberOfDaughters(); }

reco::CompositePtrCandidate::numberOfDaughters

virtual size_t numberOfDaughters() const

number of daughters

Definition: CompositePtrCandidate.cc:41

bool reco::TrackJet::overlap ( const Candidate & dummy ) const

privatevirtual

Polymorphic overlap.

Reimplemented from reco::CompositePtrCandidate.

Definition at line 85 of file TrackJet.cc.

                                                         {
   return false;
 }

const reco::VertexRef reco::TrackJet::primaryVertex ( ) const

get associated primary vertex

Definition at line 75 of file TrackJet.cc.

Referenced by fromHardVertex().

                                                       {
   return vtx_;
 }

std::string reco::TrackJet::print ( void ) const

virtual

Print object.

Reimplemented from reco::Jet.

Definition at line 90 of file TrackJet.cc.

References i, dbtoconf::out, HWWFunctions::primaryVertex(), reco::Jet::print(), and testEve_cfg::tracks.

                                     {
   std::ostringstream out;
   out << Jet::print() // generic jet info
       << "    TrackJet specific:" << std::endl;
   if (primaryVertex().get()) {
     out << "      Associated PV:"
         << " x=" << primaryVertex()->x()
         << " y=" << primaryVertex()->y()
         << " z=" << primaryVertex()->z() << std::endl;
   } else {
     out << "      Associated PV not available on the event" << std::endl;
   }
   std::vector<edm::Ptr<reco::Track> > thetracks = tracks();
   for (unsigned i = 0; i < thetracks.size (); i++) {
     if (thetracks[i].get ()) {
       out << "      #" << i
           << " px=" << thetracks[i]->px()
           << " py=" << thetracks[i]->py()
           << " pz=" << thetracks[i]->pz()
           << " eta=" << thetracks[i]->eta()
           << " phi=" << thetracks[i]->phi() << std::endl;
     }
     else {
       out << "      #" << i << " track is not available in the event"  << std::endl;
     }
   }
   return out.str();
 }

void reco::TrackJet::resetCharge ( )

calculate and set the charge by adding up the constituting track charges

Definition at line 66 of file TrackJet.cc.

References begin, and end.

Referenced by TrackJet().

                                {
   reco::LeafCandidate::Charge charge = 0;
   for ( reco::Candidate::const_iterator ida = this->begin(); ida != this->end(); ++ida ) {
     charge += ida->charge();
   }
   this->setCharge(charge);
 }

void reco::TrackJet::setPrimaryVertex ( const reco::VertexRef & vtx )

set associated primary vertex

Definition at line 80 of file TrackJet.cc.

Referenced by FastjetJetProducer::produceTrackJets().

                                                              {
   vtx_ = vtx;
 }

edm::Ptr< reco::Track > reco::TrackJet::track ( size_t i ) const

virtual

Return Ptr to the track costituent.

Definition at line 34 of file TrackJet.cc.

References edm::hlt::Exception, edm::Ptr< T >::get(), edm::Ref< C, T, F >::get(), edm::Ref< C, T, F >::id(), edm::Ptr< T >::isAvailable(), edm::Ptr< T >::isNonnull(), edm::Ref< C, T, F >::key(), and reco::RecoChargedRefCandidate::track().

                                                     {
   Constituent dau = daughterPtr (i);
   // check the daughter to be ok
   if ( dau.isNonnull() && dau.isAvailable() ) {
     // convert to concrete candidate type
     const RecoChargedRefCandidate* trkCand = dynamic_cast <const RecoChargedRefCandidate*> (dau.get());
     // check the candidate is of the right type
     if (trkCand) {
       // check the track link in the recochargedcandidate to be there
       if (trkCand->track().get()) {
         // ok, return pointer to the originating track
         return edm::Ptr<reco::Track> ( trkCand->track().id(), trkCand->track().get(), trkCand->track().key() );
       } else {
         throw cms::Exception("TrackRef unavailable") << "TrackJet consituent track not in the event.";
       }
     } else {
      throw cms::Exception("Invalid Constituent") << "TrackJet constituent is not of RecoChargedRefCandidate type";
     }
   // otherwise return empty ptr
   } else {
     return edm::Ptr<reco::Track>();
   }
 }

std::vector< edm::Ptr< reco::Track > > reco::TrackJet::tracks ( void ) const

Return pointers to all track costituents.

Definition at line 59 of file TrackJet.cc.

References i, and query::result.

                                                          {
   std::vector <edm::Ptr<reco::Track> > result;
   for (unsigned i = 0;  i <  numberOfDaughters (); i++) result.push_back (track (i));
   return result;
 }

Member Data Documentation

reco::VertexRef reco::TrackJet::vtx_

private

Associated primary vertex.

Definition at line 69 of file TrackJet.h.

Public Member Functions

of constituents

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation