LXXXCorrector Class Reference

#include <LXXXCorrector.h>

Inheritance diagram for LXXXCorrector:

Public Member Functions
virtual double	correction (const LorentzVector &fJet) const
	get correction using Jet information only More...
virtual double	correction (const reco::Jet &fJet) const
	apply correction using Jet information only More...
virtual bool	eventRequired () const
	if correction needs event information More...
	LXXXCorrector (const JetCorrectorParameters &fConfig, const edm::ParameterSet &fParameters)
virtual bool	refRequired () const
	if correction needs the jet reference More...
virtual	~LXXXCorrector ()
Public Member Functions inherited from JetCorrector
virtual double	correction (const reco::Jet &fJet, const edm::Event &fEvent, const edm::EventSetup &fSetup) const
	apply correction using all event information More...
virtual double	correction (const reco::Jet &fJet, const edm::RefToBase< reco::Jet > &fJetRef, const edm::Event &fEvent, const edm::EventSetup &fSetup) const
	apply correction using all event information More...
virtual double	correction (const reco::Jet &fJet, const edm::RefToBase< reco::Jet > &fJetRef, const edm::Event &fEvent, const edm::EventSetup &fSetup, LorentzVector &corrected) const
	Apply vectorial correction using all event information. More...
	JetCorrector ()
virtual bool	vectorialCorrection () const
	if vectorial correction is provided More...
virtual	~JetCorrector ()

Private Attributes
FactorizedJetCorrectorCalculator *	mCorrector
unsigned	mLevel

Additional Inherited Members
Public Types inherited from JetCorrector
typedef reco::Particle::LorentzVector	LorentzVector
Static Public Member Functions inherited from JetCorrector
static const JetCorrector *	getJetCorrector (const std::string &fName, const edm::EventSetup &fSetup)
	retrieve corrector from the event setup. troughs exception if something is missing More...

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, testEve_cfg::level, and JetCorrectorParameters::Definitions::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 FactorizedJetCorrectorCalculator(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, FactorizedJetCorrectorCalculator::VariableValues::setJetE(), FactorizedJetCorrectorCalculator::VariableValues::setJetEta(), FactorizedJetCorrectorCalculator::VariableValues::setJetPhi(), FactorizedJetCorrectorCalculator::VariableValues::setJetPt(), and makeHLTPrescaleTable::values.

{
  // 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;
  }

  FactorizedJetCorrectorCalculator::VariableValues values;
  values.setJetEta(fJet.eta()); 
  values.setJetE(fJet.energy());
  values.setJetPt(fJet.pt());
  values.setJetPhi(fJet.phi());

  return mCorrector->getCorrection(values);
}

double LXXXCorrector::correction ( const reco::Jet &  fJet ) const

virtual

apply correction using Jet information only

Implements JetCorrector.

Definition at line 68 of file LXXXCorrector.cc.

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

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

virtual bool LXXXCorrector::eventRequired ( ) const

inlinevirtual

if correction needs event information

Implements JetCorrector.

Definition at line 32 of file LXXXCorrector.h.

{return false;} 

virtual bool LXXXCorrector::refRequired ( ) const

inlinevirtual

if correction needs the jet reference

Implements JetCorrector.

Definition at line 35 of file LXXXCorrector.h.

{ return false; }

Member Data Documentation

FactorizedJetCorrectorCalculator* LXXXCorrector::mCorrector

private

Definition at line 40 of file LXXXCorrector.h.

unsigned LXXXCorrector::mLevel

private

Definition at line 39 of file LXXXCorrector.h.