pf2pat::PFIsoDepositAlgo Class Reference

#include <PFIsoDepositAlgo.h>

List of all members.

Public Types
typedef std::vector < reco::IsoDeposit >	IsoDeposits
typedef reco::PFCandidate	Particle
typedef std::vector< Particle >	ParticleCollection
Public Member Functions
	PFIsoDepositAlgo (const edm::ParameterSet &)
const IsoDeposits &	produce (const ParticleCollection &toBeIsolated, const ParticleCollection &forIsolation)
	~PFIsoDepositAlgo ()
Private Member Functions
reco::IsoDeposit	buildIsoDeposit (const Particle &particle, const ParticleCollection &forIsolation) const
	build the IsoDeposit for "particle"
bool	sameParticle (const Particle &particle1, const Particle &particle2) const
	checks if the 2 particles are in fact the same
Private Attributes
IsoDeposits	isoDeposits_
	IsoDeposits computed in the produce function.
bool	verbose_

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Detailed Description

Definition at line 26 of file PFIsoDepositAlgo.h.

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Member Typedef Documentation

typedef std::vector< reco::IsoDeposit > pf2pat::PFIsoDepositAlgo::IsoDeposits

Definition at line 34 of file PFIsoDepositAlgo.h.

typedef reco::PFCandidate pf2pat::PFIsoDepositAlgo::Particle

Definition at line 30 of file PFIsoDepositAlgo.h.

typedef std::vector< Particle > pf2pat::PFIsoDepositAlgo::ParticleCollection

Definition at line 31 of file PFIsoDepositAlgo.h.

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Constructor & Destructor Documentation

PFIsoDepositAlgo::PFIsoDepositAlgo

(

const edm::ParameterSet &

iConfig

)

[explicit]

Definition at line 16 of file PFIsoDepositAlgo.cc.

                                                                : 
  verbose_ ( iConfig.getUntrackedParameter<bool>("verbose",false) )

{}

PFIsoDepositAlgo::~PFIsoDepositAlgo

(

)

Definition at line 23 of file PFIsoDepositAlgo.cc.

{ }

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Member Function Documentation

IsoDeposit PFIsoDepositAlgo::buildIsoDeposit	(	const Particle &	particle,
		const ParticleCollection &	forIsolation
	)		const [private]

build the IsoDeposit for "particle"

Definition at line 52 of file PFIsoDepositAlgo.cc.

References gather_cfg::cout, reco::isodeposit::Direction::deltaR(), reco::LeafCandidate::eta(), i, reco::LeafCandidate::p4(), reco::LeafCandidate::phi(), ExpressReco_HICollisions_FallBack::pt, sameParticle(), and verbose_.

Referenced by produce().

                                                                                             {
  

  reco::isodeposit::Direction pfDir(particle.eta(), 
                                    particle.phi());
//   reco::IsoDeposit::Veto veto;
//   veto.vetoDir = pfDir;
//   veto.dR = 0.05; 

  IsoDeposit isoDep( pfDir );
  
  for( unsigned i=0; i<forIsolation.size(); i++ ) {
    
    const reco::PFCandidate& pfc = forIsolation[i];

    // need to remove "particle"!

    if( sameParticle( particle, pfc ) ) continue; 


    XYZTLorentzVector pvi(pfc.p4());
    reco::isodeposit::Direction dirPfc(pfc.eta(), pfc.phi());
    double dR = pfDir.deltaR(dirPfc);

    //COLIN make a parameter
    double maxDeltaRForIsoDep_ = 1;
    if(dR > maxDeltaRForIsoDep_) {
      //      if( verbose_ ) cout<<"OUT OF CONE"<<endl;
      continue;
    }
    //    else if(verbose_) cout<<endl;

    if(verbose_ ) 
      cout<<"\t"<<pfc<<endl;

    double pt = pvi.Pt();
    isoDep.addDeposit(dirPfc, pt); 
  }

  return isoDep;
}

const PFIsoDepositAlgo::IsoDeposits & PFIsoDepositAlgo::produce	(	const ParticleCollection &	toBeIsolated,
		const ParticleCollection &	forIsolation
	)

all the filtering is done before could gain in performance by having a single loop, and by producing all isodeposits at the same time? however, would not gain in ease of maintenance, and in flexibility.

Definition at line 27 of file PFIsoDepositAlgo.cc.

References buildIsoDeposit(), gather_cfg::cout, i, isoDeposits_, and verbose_.

                                                                   {
  

  isoDeposits_.clear();
  isoDeposits_.reserve( toBeIsolated.size() );

  for( unsigned i=0; i<toBeIsolated.size(); i++ ) {
    const reco::PFCandidate& toBeIso = toBeIsolated[i];

    if(verbose_ ) 
      cout<<"to be isolated: "<<toBeIso<<endl;

    isoDeposits_.push_back( buildIsoDeposit( toBeIso, forIsolation ) ); 
  }
  

  if(verbose_) {
    cout<<"PFIsoDepositAlgo "<<endl;
  }

  return isoDeposits_;
}

bool PFIsoDepositAlgo::sameParticle	(	const Particle &	particle1,
		const Particle &	particle2
	)		const [private]

checks if the 2 particles are in fact the same

Definition at line 96 of file PFIsoDepositAlgo.cc.

References ExpressReco_HICollisions_FallBack::e, reco::LeafCandidate::energy(), reco::LeafCandidate::eta(), and reco::PFCandidate::particleId().

Referenced by buildIsoDeposit().

                                                                       {

  double smallNumber = 1e-15;
  
  if( particle1.particleId() != particle2.particleId() ) return false;
  else if( fabs( particle1.energy() - particle2.energy() ) > smallNumber ) return false;
  else if( fabs( particle1.eta() - particle2.eta() ) > smallNumber ) return false;
  else if( fabs( particle1.eta() - particle2.eta() ) > smallNumber ) return false;
  else return true; 
  
}

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Member Data Documentation

IsoDeposits pf2pat::PFIsoDepositAlgo::isoDeposits_ [private]

IsoDeposits computed in the produce function.

Definition at line 59 of file PFIsoDepositAlgo.h.

Referenced by produce().

bool pf2pat::PFIsoDepositAlgo::verbose_ [private]

Definition at line 61 of file PFIsoDepositAlgo.h.

Referenced by buildIsoDeposit(), and produce().