Base class for all types of Jets. More...

#include <Jet.h>

Inheritance diagram for reco::Jet:

Classes
class	EtaPhiMoments
	record to store eta-phi first and second moments More...

Public Types
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...

Public Member Functions
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 std::string	print () const
	Print object. 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...

virtual CompositePtrCandidate *	clone () const
	returns a clone of the candidate 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 double	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)

	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...

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

virtual double	mass () const
	mass More...

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

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

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

virtual double	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 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

	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...

Static Public Member Functions
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))

Private Attributes
float	mJetArea

int	mPassNumber

float	mPileupEnergy

Additional Inherited Members
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
edm::BoolCache	cacheCartesianFixed_

edm::BoolCache	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

Base class for all types of Jets.

GenericJet describes jets made from arbitrary constituents, No direct constituents reference is stored for now

Author: Fedor Ratnikov, UMd

Version: Mar 23, 2007 by F.R.

Id:: GenericJet.h,v 1.7 2007/08/20 17:53:30 fedor Exp

Jet describes properties common for all kinds of jets, essentially kinematics. Base class for all types of Jets.

Author: Fedor Ratnikov, UMd

Version: Original: April 22, 2005 by Fernando Varela Rodriguez.; May 23, 2006 by F.R.

Id:: Jet.h,v 1.28 2008/10/14 12:26:58 oehler Exp

Definition at line 21 of file Jet.h.

Member Typedef Documentation

typedef edm::Ptr<Candidate> reco::Jet::Constituent

Definition at line 23 of file Jet.h.

typedef std::vector<Constituent> reco::Jet::Constituents

Definition at line 24 of file Jet.h.

Constructor & Destructor Documentation

reco::Jet::Jet ( )

inline

Default constructor.

Definition at line 37 of file Jet.h.

37 : mJetArea (0), mPileupEnergy (0), mPassNumber (0) {}

reco::Jet::mPassNumber

int mPassNumber

Definition: Jet.h:110

reco::Jet::mJetArea

float mJetArea

Definition: Jet.h:108

reco::Jet::mPileupEnergy

float mPileupEnergy

Definition: Jet.h:109

Jet::Jet	(	const LorentzVector &	fP4,
		const Point &	fVertex
	)

Initiator.

Definition at line 173 of file Jet.cc.

   :  CompositePtrCandidate (0, fP4, fVertex),
      mJetArea (0),
      mPileupEnergy (0),
      mPassNumber (0)
 {}

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

Definition at line 160 of file Jet.cc.

References reco::CompositePtrCandidate::addDaughter(), and i.

   :  CompositePtrCandidate (0, fP4, fVertex),
      mJetArea (0),
      mPileupEnergy (0),
      mPassNumber (0)
 {
   for (unsigned i = 0; i < fConstituents.size (); i++) {
     addDaughter (fConstituents [i]);
   }
 }  

virtual reco::Jet::~Jet ( )

inlinevirtual

Destructor.

Reimplemented in pat::Jet.

Definition at line 42 of file Jet.h.

42 {}

Member Function Documentation

float Jet::detectorEta	(	float	fZVertex,
		float	fPhysicsEta
	)

static

static function to convert physics eta to detector eta

Definition at line 324 of file Jet.cc.

Referenced by reco::GenJet::detectorEta().

                                                          {
   CaloPointZ refPoint (fZVertex, fPhysicsEta);
   return refPoint.etaReference (0.);
 }

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

static

Definition at line 338 of file Jet.cc.

References reco::Candidate::energy(), reco::Candidate::momentum(), runTheMatrix::np, reco::LeafCandidate::p(), and p3.

Referenced by reco::CaloJet::detectorP4().

                                                                                                  {
   CaloPoint3D<Point> caloPoint(vertex,inParticle.momentum()); // Jet position in Calo.
   static const Point np(0,0,0);
   Vector detectorDir = caloPoint.caloPoint() - np;
   double p = inParticle.momentum().r();
   Vector p3 = p * detectorDir.unit();
   LorentzVector returnVector(p3.x(), p3.y(), p3.z(), inParticle.energy());
   return returnVector;
 }

float Jet::etaetaMoment ( ) const

eta-eta second moment, ET weighted

eta-eta second moment

Definition at line 222 of file Jet.cc.

References getJetConstituentsQuick(), i, relativeConstraints::value, and CommonMethods::weight().

Referenced by fireworks::makeEveJetCone(), and JetIDSelectionFunctor::operator()().

                                {
   std::vector<const Candidate*> towers = getJetConstituentsQuick ();
   double sumw = 0;
   double sum = 0;
   double sum2 = 0;
   int i = towers.size();
   while (--i >= 0) {
     double value = towers[i]->eta();
     double weight = towers[i]->et();
     sumw += weight;
     sum += value * weight;
     sum2 += value * value * weight;
   }
   return sumw > 0 ? (sum2 - sum*sum/sumw ) / sumw : 0;
 }

float Jet::etaphiMoment ( ) const

eta-phi second moment, ET weighted

eta-phi second moment

Definition at line 257 of file Jet.cc.

References reco::deltaPhi(), getJetConstituentsQuick(), i, reco::LeafCandidate::phi(), and CommonMethods::weight().

                                {
   double phiRef = phi();
   std::vector<const Candidate*> towers = getJetConstituentsQuick ();
   double sumw = 0;
   double sumA = 0;
   double sumB = 0;
   double sumAB = 0;
   int i = towers.size();
   while (--i >= 0) {
     double valueA = towers[i]->eta();
     double valueB = deltaPhi (towers[i]->phi(), phiRef);
     double weight = towers[i]->et();
     sumw += weight;
     sumA += valueA * weight;
     sumB += valueB * weight;
     sumAB += valueA * valueB * weight;
   }
   return sumw > 0 ? (sumAB - sumA*sumB/sumw ) / sumw : 0;
 }

Jet::EtaPhiMoments Jet::etaPhiStatistics ( ) const

eta-phi statistics, ET weighted

eta-phi statistics

Definition at line 182 of file Jet.cc.

References reco::deltaPhi(), reco::LeafCandidate::eta(), reco::Jet::EtaPhiMoments::etaEtaMoment, reco::Jet::EtaPhiMoments::etaMean, reco::Jet::EtaPhiMoments::etaPhiMoment, getJetConstituentsQuick(), i, reco::LeafCandidate::phi(), reco::Jet::EtaPhiMoments::phiMean, reco::Jet::EtaPhiMoments::phiPhiMoment, query::result, and CommonMethods::weight().

                                               {
   std::vector<const Candidate*> towers = getJetConstituentsQuick ();
   double phiRef = phi();
   double sumw = 0;
   double sumEta = 0;
   double sumEta2 = 0;
   double sumPhi = 0;
   double sumPhi2 = 0;
   double sumEtaPhi = 0;
   int i = towers.size();
   while (--i >= 0) {
     double eta = towers[i]->eta();
     double phi = deltaPhi (towers[i]->phi(), phiRef);
     double weight = towers[i]->et();
     sumw += weight;
     sumEta += eta * weight;
     sumEta2 += eta * eta * weight;
     sumPhi += phi * weight;
     sumPhi2 += phi * phi * weight;
     sumEtaPhi += eta * phi * weight;
   }
   Jet::EtaPhiMoments result;
   if (sumw > 0) {
     result.etaMean = sumEta / sumw;
     result.phiMean = deltaPhi (phiRef + sumPhi, 0.);
     result.etaEtaMoment = (sumEta2 - sumEta * sumEta / sumw) / sumw;
     result.phiPhiMoment = (sumPhi2 - sumPhi * sumPhi / sumw) / sumw;
     result.etaPhiMoment = (sumEtaPhi - sumEta * sumPhi / sumw) / sumw;
   }
   else {
     result.etaMean = 0;
     result.phiMean = 0;
     result.etaEtaMoment = 0;
     result.phiPhiMoment = 0;
     result.etaPhiMoment = 0;
   }
   return result;
 }

float Jet::etInAnnulus	(	float	fRmin,
		float	fRmax
	)		const

ET in annulus between rmin and rmax around jet direction.

et in annulus between rmin and rmax around jet direction

Definition at line 278 of file Jet.cc.

References reco::deltaR(), getJetConstituentsQuick(), i, and query::result.

                                                       {
   float result = 0;
   std::vector<const Candidate*> towers = getJetConstituentsQuick ();
   int i = towers.size ();
   while (--i >= 0) {
     double r = deltaR (*this, *(towers[i]));
     if (r >= fRmin && r < fRmax) result += towers[i]->et ();
   }
   return result;
 }

Jet::Constituents Jet::getJetConstituents ( ) const

virtual

list of constituents

Definition at line 349 of file Jet.cc.

References reco::CompositePtrCandidate::daughterPtr(), i, reco::CompositePtrCandidate::numberOfDaughters(), and query::result.

Referenced by reco::helper::CastorJetIDHelper::calculate(), fireworks::makeEveJetCone(), reco::tau::helpers::nCharged(), reco::tau::helpers::nGammas(), JetPlusTrackProducer::produce(), CastorClusterProducer::produce(), and JetPlusTrackProducerAA::produce().

                                                {
   Jet::Constituents result;
   for (unsigned i = 0; i < numberOfDaughters(); i++) {
     result.push_back (daughterPtr (i));
   }
   return result;
 }

std::vector< const Candidate * > Jet::getJetConstituentsQuick ( ) const

virtual

quick list of constituents

Definition at line 357 of file Jet.cc.

References reco::CompositePtrCandidate::daughter(), i, reco::CompositePtrCandidate::numberOfDaughters(), and query::result.

Referenced by FWPFTauProxyBuilder::buildViewType(), etaetaMoment(), etaphiMoment(), etaPhiStatistics(), etInAnnulus(), maxDistance(), nCarrying(), and phiphiMoment().

                                                                 {
   std::vector<const Candidate*> result;
   int nDaughters = numberOfDaughters();
   for (int i = 0; i < nDaughters; ++i) { 
     result.push_back (daughter (i));
   }
   return result;
 }

bool Jet::isJet ( ) const

virtual

Reimplemented from reco::LeafCandidate.

Definition at line 390 of file Jet.cc.

                       {
   return true;
 }

virtual float reco::Jet::jetArea ( ) const

inlinevirtual

get jet area

Definition at line 93 of file Jet.h.

References mJetArea.

Referenced by L1FastjetCorrector::correction().

93 {return mJetArea;}

reco::Jet::mJetArea

float mJetArea

Definition: Jet.h:108

float Jet::maxDistance ( ) const

maximum distance from jet to constituent

Definition at line 305 of file Jet.cc.

References reco::deltaR(), getJetConstituentsQuick(), i, and query::result.

                               {
   float result = 0;
   std::vector<const Candidate*> towers = getJetConstituentsQuick ();
   for (unsigned i = 0; i < towers.size(); ++i) {
     float dR = deltaR (*(towers[i]), *this);
     if (dR > result)  result = dR;
   }
   return result;
 }

int Jet::nCarrying ( float fFraction ) const

return # of constituent carrying fraction of energy

return # of constituent carring fraction of energy. Assume ordered towers

Definition at line 290 of file Jet.cc.

References reco::LeafCandidate::et(), getJetConstituentsQuick(), i, and query::result.

Referenced by reco::CaloJet::n60(), pat::Jet::n60(), reco::CaloJet::n90(), and pat::Jet::n90().

                                          {
   std::vector<const Candidate*> towers = getJetConstituentsQuick ();
   if (fFraction >= 1) return towers.size();
   double totalEt = 0;
   for (unsigned i = 0; i < towers.size(); ++i) totalEt += towers[i]->et();
   double fractionEnergy = totalEt * fFraction;
   unsigned result = 0;
   for (; result < towers.size(); ++result) {
     fractionEnergy -= towers[result]->et();
     if (fractionEnergy <= 0) return result+1;
   }
   return 0;
 }

virtual int reco::Jet::nConstituents ( ) const

inlinevirtual

of constituents

Definition at line 66 of file Jet.h.

References reco::CompositePtrCandidate::numberOfDaughters().

Referenced by main(), and print().

66 {return numberOfDaughters();}

reco::CompositePtrCandidate::numberOfDaughters

virtual size_t numberOfDaughters() const

number of daughters

Definition: CompositePtrCandidate.cc:42

virtual int reco::Jet::nPasses ( ) const

inlinevirtual

number of passes taken by algorithm

Definition at line 103 of file Jet.h.

References mPassNumber.

103 {return mPassNumber;}

reco::Jet::mPassNumber

int mPassNumber

Definition: Jet.h:110

float Jet::phiphiMoment ( ) const

phi-phi second moment, ET weighted

phi-phi second moment

Definition at line 239 of file Jet.cc.

References reco::deltaPhi(), getJetConstituentsQuick(), i, reco::LeafCandidate::phi(), relativeConstraints::value, and CommonMethods::weight().

Referenced by fireworks::makeEveJetCone(), and JetIDSelectionFunctor::operator()().

                                {
   double phiRef = phi();
   std::vector<const Candidate*> towers = getJetConstituentsQuick ();
   double sumw = 0;
   double sum = 0;
   double sum2 = 0;
   int i = towers.size();
   while (--i >= 0) {
     double value = deltaPhi (towers[i]->phi(), phiRef);
     double weight = towers[i]->et();
     sumw += weight;
     sum += value * weight;
     sum2 += value * value * weight;
   }
   return sumw > 0 ? (sum2 - sum*sum/sumw ) / sumw : 0;
 }

float Jet::physicsEta	(	float	fZVertex,
		float	fDetectorEta
	)

static

static function to convert detector eta to physics eta

Definition at line 317 of file Jet.cc.

                                                          {
   CaloPointZ refPoint (0., fDetectorEta);
   return refPoint.etaReference (fZVertex);
 }

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

static

Definition at line 329 of file Jet.cc.

References reco::Candidate::energy(), reco::Candidate::momentum(), reco::LeafCandidate::p(), and p3.

Referenced by reco::CaloJet::physicsP4().

                                                                                                                                    {
   CaloPoint3D<Point> caloPoint(oldVertex,inParticle.momentum()); // Jet position in Calo.
   Vector physicsDir = caloPoint.caloPoint() - newVertex;
   double p = inParticle.momentum().r();
   Vector p3 = p * physicsDir.unit();
   LorentzVector returnVector(p3.x(), p3.y(), p3.z(), inParticle.energy());
   return returnVector;
 }

virtual float reco::Jet::pileup ( ) const

inlinevirtual

pileup energy contribution as calculated by algorithm

Definition at line 98 of file Jet.h.

References mPileupEnergy.

98 {return mPileupEnergy;}

reco::Jet::mPileupEnergy

float mPileupEnergy

Definition: Jet.h:109

std::string Jet::print ( void ) const

virtual

Print object.

Reimplemented in reco::PFJet, reco::CaloJet, reco::JPTJet, reco::GenJet, reco::TrackJet, reco::PFClusterJet, and reco::BasicJet.

Definition at line 366 of file Jet.cc.

References reco::CompositePtrCandidate::daughterPtr(), reco::LeafCandidate::eta(), edm::Ptr< T >::id(), edm::Ptr< T >::isNonnull(), edm::Ptr< T >::key(), nConstituents(), reco::CompositePtrCandidate::numberOfDaughters(), dbtoconf::out, reco::LeafCandidate::p(), reco::LeafCandidate::phi(), reco::LeafCandidate::pt(), reco::LeafCandidate::px(), reco::LeafCandidate::py(), and reco::LeafCandidate::pz().

Referenced by reco::BasicJet::print(), reco::PFClusterJet::print(), reco::TrackJet::print(), reco::GenJet::print(), reco::JPTJet::print(), reco::CaloJet::print(), and reco::PFJet::print().

                             {
   std::ostringstream out;
   out << "Jet p/px/py/pz/pt: " << p() << '/' << px () << '/' << py() << '/' << pz() << '/' << pt() << std::endl
       << "    eta/phi: " << eta () << '/' << phi () << std::endl
        << "    # of constituents: " << nConstituents () << std::endl;
   out << "    Constituents:" << std::endl;
   for (unsigned index = 0; index < numberOfDaughters(); index++) {
     Constituent constituent = daughterPtr (index); // deref
     if (constituent.isNonnull()) {
       out << "      #" << index << " p/pt/eta/phi: " 
       << constituent->p() << '/' << constituent->pt() << '/' << constituent->eta() << '/' << constituent->phi() 
       << "    productId/index: " << constituent.id() << '/' << constituent.key() << std::endl; 
     }
     else {
       out << "      #" << index << " constituent is not available in the event"  << std::endl;
     }
   }
   return out.str ();
 }

void Jet::scaleEnergy ( double fScale )

virtual

scale energy of the jet

Definition at line 386 of file Jet.cc.

References reco::LeafCandidate::p4(), and reco::LeafCandidate::setP4().

Referenced by TopSingleLepton::MonitorEnsemble::fill(), TopDiLeptonOffline::MonitorEnsemble::fill(), CorrectJet::operator()(), JetEnergyShift::produce(), JetPlusTrackProducer::produce(), and JetPlusTrackProducerAA::produce().

                                     {
   setP4 (p4() * fScale);
 }

virtual void reco::Jet::setJetArea ( float fArea )

inlinevirtual

set jet area

Definition at line 91 of file Jet.h.

References mJetArea.

Referenced by FastjetJetProducer::produceTrackJets(), cms::SubEventGenJetProducer::runAlgorithm(), and cms::CompoundJetProducer::writeCompoundJets().

91 {mJetArea = fArea;}

reco::Jet::mJetArea

float mJetArea

Definition: Jet.h:108

virtual void reco::Jet::setNPasses ( int fPasses )

inlinevirtual

Set number of passes taken by algorithm.

Definition at line 101 of file Jet.h.

References mPassNumber.

101 {mPassNumber = fPasses;}

reco::Jet::mPassNumber

int mPassNumber

Definition: Jet.h:110

virtual void reco::Jet::setPileup ( float fEnergy )

inlinevirtual

Set pileup energy contribution as calculated by algorithm.

Definition at line 96 of file Jet.h.

References mPileupEnergy.

Referenced by FastjetJetProducer::produceTrackJets(), and cms::SubEventGenJetProducer::runAlgorithm().

96 {mPileupEnergy = fEnergy;}

reco::Jet::mPileupEnergy

float mPileupEnergy

Definition: Jet.h:109

Member Data Documentation

float reco::Jet::mJetArea

private

Definition at line 108 of file Jet.h.

Referenced by jetArea(), and setJetArea().

int reco::Jet::mPassNumber

private

Definition at line 110 of file Jet.h.

Referenced by nPasses(), and setNPasses().

float reco::Jet::mPileupEnergy

private

Definition at line 109 of file Jet.h.

Referenced by pileup(), and setPileup().

Classes

Public Types

Public Member Functions

of constituents

Static Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

of constituents

Member Data Documentation