Jets made from MC generator particles. More...

#include <GenJet.h>

Inheritance diagram for reco::GenJet:

Classes
struct	Specific
Public Member Functions
float	auxiliaryEnergy () const
virtual GenJet *	clone () const
	Polymorphic clone.
float	detectorEta (float fZVertex) const
	Detector Eta (use reference Z and jet kinematics only)
float	emEnergy () const
	GenJet (const LorentzVector &fP4, const Point &fVertex, const Specific &fSpecific, const Jet::Constituents &fConstituents)
	GenJet (const LorentzVector &fP4, const Specific &fSpecific, const Jet::Constituents &fConstituents)
	GenJet (const LorentzVector &fP4, const Point &fVertex, const Specific &fSpecific)
	GenJet ()
virtual const GenParticle *	getGenConstituent (unsigned fIndex) const
	get specific constituent
virtual std::vector< const GenParticle * >	getGenConstituents () const
	get all constituents
const Specific &	getSpecific () const
float	hadEnergy () const
float	invisibleEnergy () const
virtual std::string	print () const
	Print object.
virtual	~GenJet ()
Static Public Member Functions
static const GenParticle *	genParticle (const reco::Candidate *fConstituent)
	convert generic constituent to specific type
Private Member Functions
virtual bool	overlap (const Candidate &) const
	Polymorphic overlap.
Private Attributes
Specific	m_specific

Detailed Description

Jets made from MC generator particles.

GenJet represents Jets made from MC candidates Provide energy contributions from different particle types in addition to generic Jet parameters

Author:: Fedor Ratnikov, UMd

Version:: Original March 31, 2006 by F.R.

Id:: GenJet.h,v 1.19 2008/05/26 11:22:12 arizzi Exp

Definition at line 25 of file GenJet.h.

Constructor & Destructor Documentation

reco::GenJet::GenJet ( ) [inline]

Default constructor

Definition at line 45 of file GenJet.h.

Referenced by clone().

{}

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

Constructor from values

Definition at line 20 of file GenJet.cc.

  : Jet (fP4, fVertex, fConstituents),
    m_specific (fSpecific)
{}

GenJet::GenJet	(	const LorentzVector &	fP4,
		const Point &	fVertex,
		const Specific &	fSpecific
	)

Definition at line 14 of file GenJet.cc.

  : Jet (fP4, fVertex),
    m_specific (fSpecific)
{}

GenJet::GenJet	(	const LorentzVector &	fP4,
		const Specific &	fSpecific,
		const Jet::Constituents &	fConstituents
	)

backward compatible, vertex=(0,0,0)

Definition at line 27 of file GenJet.cc.

  : Jet (fP4, Point(0,0,0), fConstituents),
    m_specific (fSpecific)
{}

virtual reco::GenJet::~GenJet ( ) [inline, virtual]

Definition at line 56 of file GenJet.h.

{};

Member Function Documentation

float reco::GenJet::auxiliaryEnergy ( ) const [inline]

Returns other energy (undecayed Sigmas etc.)

Definition at line 64 of file GenJet.h.

References reco::GenJet::Specific::m_AuxiliaryEnergy, and m_specific.

Referenced by print().

{return m_specific.m_AuxiliaryEnergy;};

GenJet * GenJet::clone ( void ) const [virtual]

Polymorphic clone.

Reimplemented from reco::CompositePtrCandidate.

Definition at line 65 of file GenJet.cc.

References GenJet().

                             {
  return new GenJet (*this);
}

float GenJet::detectorEta ( float fZVertex ) const

Detector Eta (use reference Z and jet kinematics only)

Definition at line 35 of file GenJet.cc.

References reco::LeafCandidate::eta().

                                               {
  return Jet::detectorEta (fZVertex, eta());
}

float reco::GenJet::emEnergy ( ) const [inline]

Returns energy of electromagnetic particles

Definition at line 58 of file GenJet.h.

References reco::GenJet::Specific::m_EmEnergy, and m_specific.

Referenced by print().

{return m_specific.m_EmEnergy;};

const GenParticle * GenJet::genParticle ( const reco::Candidate * fConstituent ) [static]

convert generic constituent to specific type

Definition at line 39 of file GenJet.cc.

References newFWLiteAna::base, Exception, edm::RefToBase< T >::get(), reco::Candidate::hasMasterClone(), reco::Candidate::masterClone(), and query::result.

Referenced by getGenConstituent(), and JetMatchingTools::getGenParticle().

                                                                     {
  const Candidate* base = fConstituent;
  if (fConstituent->hasMasterClone ()) base = fConstituent->masterClone().get ();
  const GenParticle* result = dynamic_cast<const GenParticle*> (base);
  if (!result) throw cms::Exception("Invalid Constituent") << "GenJet constituent is not of the type GenParticle";
  return result;
}

const GenParticle * GenJet::getGenConstituent ( unsigned fIndex ) const [virtual]

get specific constituent

Definition at line 47 of file GenJet.cc.

References reco::CompositePtrCandidate::begin(), reco::CompositePtrCandidate::end(), and genParticle().

Referenced by getGenConstituents().

                                                                   {
  // no direct access, have to iterate for now
  int index (fIndex);
  Candidate::const_iterator daugh = begin ();
  for (; --index >= 0 && daugh != end (); daugh++) {}
  if (daugh != end ()) { // in range
    const Candidate* constituent = &*daugh; // deref
    return genParticle (constituent);
  }
  return 0;
}

std::vector< const GenParticle * > GenJet::getGenConstituents ( ) const [virtual]

get all constituents

Definition at line 59 of file GenJet.cc.

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

Referenced by JetMatchingTools::getGenParticles(), PFJetBenchmark::gettrue(), print(), and PFJetBenchmark::printGenJet().

                                                                 {
  std::vector <const GenParticle*> result;
  for (unsigned i = 0;  i <  numberOfDaughters (); i++) result.push_back (getGenConstituent (i));
  return result;
}

const Specific& reco::GenJet::getSpecific ( ) const [inline]

Definition at line 78 of file GenJet.h.

References m_specific.

{return m_specific;}

float reco::GenJet::hadEnergy ( ) const [inline]

Returns energy of hadronic particles

Definition at line 60 of file GenJet.h.

References reco::GenJet::Specific::m_HadEnergy, and m_specific.

Referenced by print().

{return m_specific.m_HadEnergy;};

float reco::GenJet::invisibleEnergy ( ) const [inline]

Returns invisible energy

Definition at line 62 of file GenJet.h.

References reco::GenJet::Specific::m_InvisibleEnergy, and m_specific.

Referenced by print().

{return m_specific.m_InvisibleEnergy;};

bool GenJet::overlap ( const Candidate & ) const [private, virtual]

Polymorphic overlap.

Reimplemented from reco::CompositePtrCandidate.

Definition at line 69 of file GenJet.cc.

                                              {
  return false;
}

std::string GenJet::print ( void ) const [virtual]

Print object.

Reimplemented from reco::Jet.

Definition at line 73 of file GenJet.cc.

References auxiliaryEnergy(), emEnergy(), reco::LeafCandidate::eta(), getGenConstituents(), hadEnergy(), i, invisibleEnergy(), dbtoconf::out, reco::LeafCandidate::p(), reco::LeafCandidate::pdgId(), reco::LeafCandidate::phi(), and reco::LeafCandidate::pt().

Referenced by TauGenJetDumper::analyze().

                               {
  std::ostringstream out;
  out << Jet::print () // generic jet info
      << "    GenJet specific:" << std::endl
      << "      em/had/invisible/aux  energies: " 
      << emEnergy() << '/' << hadEnergy()  << '/' << invisibleEnergy() << '/' << auxiliaryEnergy() << std::endl;
  out << "      MC particles:" << std::endl;
  std::vector <const GenParticle*> mcparts = getGenConstituents ();
  for (unsigned i = 0; i < mcparts.size (); i++) {
    const GenParticle* mcpart = mcparts[i];
    if (mcpart) {
      out << "      #" << i << "  PDG code:" << mcpart->pdgId() 
          << ", p/pt/eta/phi: " << mcpart->p() << '/' << mcpart->pt() << '/' << mcpart->eta() << '/' << mcpart->phi() << std::endl;
    }
    else {
      out << "      #" << i << "  No information about constituent" << std::endl;
    }
  }
  return out.str ();
}

Member Data Documentation

Specific reco::GenJet::m_specific [private]

Definition at line 93 of file GenJet.h.

Referenced by auxiliaryEnergy(), emEnergy(), getSpecific(), hadEnergy(), and invisibleEnergy().

reco::GenJet Class Reference

Classes

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation