#include <LXXXCorrector.h>

Inheritance diagram for LXXXCorrector:

Public Member Functions
virtual double	correction (const LorentzVector &fJet) const
	get correction using Jet information only
virtual double	correction (const reco::Jet &fJet) const
	apply correction using Jet information only
virtual bool	eventRequired () const
	if correction needs event information
	LXXXCorrector (const JetCorrectorParameters &fConfig, const edm::ParameterSet &fParameters)
virtual bool	refRequired () const
	if correction needs the jet reference
virtual	~LXXXCorrector ()
Private Attributes
FactorizedJetCorrector *	mCorrector
unsigned	mLevel

Detailed Description

Definition at line 16 of file LXXXCorrector.h.

Constructor & Destructor Documentation

LXXXCorrector::LXXXCorrector	(	const JetCorrectorParameters &	fConfig,
		const edm::ParameterSet &	fParameters
	)

Definition at line 20 of file LXXXCorrector.cc.

References JetCorrectorParameters::definitions(), Exception, and testEve_cfg::level.

{
  string level = fParam.definitions().level();
  if (level == "L2Relative")
    mLevel = 2;
  else if (level == "L3Absolute")
    mLevel = 3;  
  else if (level == "L4EMF")
    mLevel = 4;
  else if (level == "L5Flavor")
    mLevel = 5;
  else if (level == "L7Parton")
    mLevel = 7;
  else
    throw cms::Exception("LXXXCorrector")<<" unknown correction level "<<level; 
  vector<JetCorrectorParameters> vParam;
  vParam.push_back(fParam);
  mCorrector = new FactorizedJetCorrector(vParam);
}

LXXXCorrector::~LXXXCorrector ( ) [virtual]

Definition at line 42 of file LXXXCorrector.cc.

{
  delete mCorrector;
}

Member Function Documentation

double LXXXCorrector::correction ( const LorentzVector & fJet ) const [virtual]

get correction using Jet information only

Implements JetCorrector.

Definition at line 49 of file LXXXCorrector.cc.

References Exception.

{
  // L4 correction requires more information than a simple 4-vector
  if (mLevel == 4) {
    throw cms::Exception("Invalid jet type") << "L4EMFCorrection is applicable to CaloJets only";
    return 1;
  }
  else {
      mCorrector->setJetEta(fJet.eta()); 
      mCorrector->setJetE(fJet.energy());
      mCorrector->setJetPt(fJet.pt());
      mCorrector->setJetPhi(fJet.phi());
  } 
  return mCorrector->getCorrection();
}

double LXXXCorrector::correction ( const reco::Jet & fJet ) const [virtual]

apply correction using Jet information only

Implements JetCorrector.

Definition at line 67 of file LXXXCorrector.cc.

References reco::CaloJet::emEnergyFraction(), reco::LeafCandidate::eta(), reco::LeafCandidate::p4(), reco::LeafCandidate::pt(), and query::result.

{
  double result = 1.;
  // L4 correction applies to Calojets only
  if (mLevel == 4) {
      const reco::CaloJet& caloJet = dynamic_cast <const reco::CaloJet&> (fJet);
      mCorrector->setJetEta(fJet.eta()); 
      mCorrector->setJetPt(fJet.pt());
      mCorrector->setJetEMF(caloJet.emEnergyFraction());
      result = mCorrector->getCorrection();
  }
  else
    result = correction(fJet.p4());
  return result;
}