SmearedJetProducer_namespace::JetResolutionExtractorT< pat::Jet > Class Template Reference

Public Member Functions
	JetResolutionExtractorT (const edm::ParameterSet &cfg)
double	operator() (const pat::Jet &jet) const
	~JetResolutionExtractorT ()

Public Attributes
metsig::SignAlgoResolutions	jetResolutions_

Detailed Description

template<>
class SmearedJetProducer_namespace::JetResolutionExtractorT< pat::Jet >

Definition at line 56 of file SmearedPATJetProducer.cc.

Constructor & Destructor Documentation

SmearedJetProducer_namespace::JetResolutionExtractorT< pat::Jet >::JetResolutionExtractorT ( const edm::ParameterSet &  cfg )

inline

Definition at line 60 of file SmearedPATJetProducer.cc.

       : jetResolutions_(cfg)
     {}

SmearedJetProducer_namespace::JetResolutionExtractorT< pat::Jet >::~JetResolutionExtractorT ( )

inline

Definition at line 63 of file SmearedPATJetProducer.cc.

{}

Member Function Documentation

double SmearedJetProducer_namespace::JetResolutionExtractorT< pat::Jet >::operator() ( const pat::Jet &  jet ) const

inline

Definition at line 65 of file SmearedPATJetProducer.cc.

References reco::LeafCandidate::energy(), edm::hlt::Exception, reco::Jet::getJetConstituents(), pat::Jet::isPFJet(), reco::LeafCandidate::p4(), pat::Jet::pfSpecific(), and reco::LeafCandidate::vertex().

     {
       if ( jet.isPFJet() ) {
     reco::PFJet pfJet(jet.p4(), jet.vertex(), jet.pfSpecific(), jet.getJetConstituents());
     metsig::SigInputObj pfJetResolution = jetResolutions_.evalPFJet(&pfJet);
     if ( pfJetResolution.get_energy() > 0. ) {
       return jet.energy()*(pfJetResolution.get_sigma_e()/pfJetResolution.get_energy());
     } else {
       return 0.;
     }
       } else {
     throw cms::Exception("SmearedJetProducer::produce")
       << " Jets of type other than PF not supported yet !!\n";
       }
     }

Member Data Documentation

metsig::SignAlgoResolutions SmearedJetProducer_namespace::JetResolutionExtractorT< pat::Jet >::jetResolutions_

Definition at line 81 of file SmearedPATJetProducer.cc.