#include <ShiftedJetProducerT.h>

Inheritance diagram for ShiftedJetProducerT< T, Textractor >:

Public Member Functions
	ShiftedJetProducerT (const edm::ParameterSet &cfg)

	~ShiftedJetProducerT () override

Public Member Functions inherited from edm::stream::EDProducer<>
	EDProducer ()=default

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndRuns () const final

Private Types
typedef std::vector< T >	JetCollection

Private Member Functions
void	produce (edm::Event &evt, const edm::EventSetup &es) override

Private Attributes
bool	addResidualJES_

JetCorrectionUncertainty *	jecUncertainty_

double	jecUncertaintyValue_

double	jetCorrEtaMax_

Textractor	jetCorrExtractor_

edm::FileInPath	jetCorrInputFileName_

edm::InputTag	jetCorrLabelUpToL3_

edm::InputTag	jetCorrLabelUpToL3Res_

JetCorrectorParameters *	jetCorrParameters_

std::string	jetCorrPayloadName_

edm::EDGetTokenT< reco::JetCorrector >	jetCorrTokenUpToL3_

edm::EDGetTokenT< reco::JetCorrector >	jetCorrTokenUpToL3Res_

std::string	jetCorrUncertaintyTag_

std::string	moduleLabel_

double	shiftBy_

edm::InputTag	src_

edm::EDGetTokenT< JetCollection >	srcToken_

int	verbosity_

Additional Inherited Members
Public Types inherited from edm::stream::EDProducer<>
typedef CacheContexts< T... >	CacheTypes

typedef CacheTypes::GlobalCache	GlobalCache

typedef AbilityChecker< T... >	HasAbility

typedef CacheTypes::LuminosityBlockCache	LuminosityBlockCache

typedef LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >	LuminosityBlockContext

typedef CacheTypes::LuminosityBlockSummaryCache	LuminosityBlockSummaryCache

typedef CacheTypes::RunCache	RunCache

typedef RunContextT< RunCache, GlobalCache >	RunContext

typedef CacheTypes::RunSummaryCache	RunSummaryCache

Detailed Description

template<typename T, typename Textractor>
class ShiftedJetProducerT< T, Textractor >

Vary energy of jets by +/- 1 standard deviation, in order to estimate resulting uncertainty on MET

NOTE: energy scale uncertainties are taken from the Database

Author: Christian Veelken, LLR

Definition at line 37 of file ShiftedJetProducerT.h.

Member Typedef Documentation

template<typename T , typename Textractor >

typedef std::vector<T> ShiftedJetProducerT< T, Textractor >::JetCollection

private

Definition at line 38 of file ShiftedJetProducerT.h.

Constructor & Destructor Documentation

template<typename T , typename Textractor >

ShiftedJetProducerT< T, Textractor >::ShiftedJetProducerT ( const edm::ParameterSet & cfg )

inlineexplicit

Definition at line 41 of file ShiftedJetProducerT.h.

       : moduleLabel_(cfg.getParameter<std::string>("@module_label")),
         src_(cfg.getParameter<edm::InputTag>("src")),
         srcToken_(consumes<JetCollection>(src_)),
         jetCorrPayloadName_(""),
         jetCorrParameters_(nullptr),
         jecUncertainty_(nullptr),
         jecUncertaintyValue_(-1.) {
     if (cfg.exists("jecUncertaintyValue")) {
       jecUncertaintyValue_ = cfg.getParameter<double>("jecUncertaintyValue");
     } else {
       jetCorrUncertaintyTag_ = cfg.getParameter<std::string>("jetCorrUncertaintyTag");
       if (cfg.exists("jetCorrInputFileName")) {
         jetCorrInputFileName_ = cfg.getParameter<edm::FileInPath>("jetCorrInputFileName");
         if (jetCorrInputFileName_.location() == edm::FileInPath::Unknown)
           throw cms::Exception("ShiftedJetProducerT")
               << " Failed to find JEC parameter file = " << jetCorrInputFileName_ << " !!\n";
         jetCorrParameters_ = new JetCorrectorParameters(jetCorrInputFileName_.fullPath(), jetCorrUncertaintyTag_);
         jecUncertainty_ = new JetCorrectionUncertainty(*jetCorrParameters_);
       } else {
         jetCorrPayloadName_ = cfg.getParameter<std::string>("jetCorrPayloadName");
       }
     }
 
     addResidualJES_ = cfg.getParameter<bool>("addResidualJES");
     if (cfg.exists("jetCorrLabelUpToL3")) {
       jetCorrLabelUpToL3_ = cfg.getParameter<edm::InputTag>("jetCorrLabelUpToL3");
       jetCorrTokenUpToL3_ = mayConsume<reco::JetCorrector>(jetCorrLabelUpToL3_);
     }
     if (cfg.exists("jetCorrLabelUpToL3Res") && addResidualJES_) {
       jetCorrLabelUpToL3Res_ = cfg.getParameter<edm::InputTag>("jetCorrLabelUpToL3Res");
       jetCorrTokenUpToL3Res_ = mayConsume<reco::JetCorrector>(jetCorrLabelUpToL3Res_);
     }
     jetCorrEtaMax_ = (cfg.exists("jetCorrEtaMax")) ? cfg.getParameter<double>("jetCorrEtaMax") : 9.9;
 
     shiftBy_ = cfg.getParameter<double>("shiftBy");
 
     verbosity_ = (cfg.exists("verbosity")) ? cfg.getParameter<int>("verbosity") : 0;
 
     produces<JetCollection>();
   }

template<typename T , typename Textractor >

ShiftedJetProducerT< T, Textractor >::~ShiftedJetProducerT ( )

inlineoverride

Definition at line 82 of file ShiftedJetProducerT.h.

References ShiftedJetProducerT< T, Textractor >::jecUncertainty_, and ShiftedJetProducerT< T, Textractor >::jetCorrParameters_.

                                   {
     delete jetCorrParameters_;
     delete jecUncertainty_;
   }

Member Function Documentation

template<typename T , typename Textractor >

void ShiftedJetProducerT< T, Textractor >::produce	(	edm::Event &	evt,
		const edm::EventSetup &	es
	)

inlineoverrideprivate

Definition at line 88 of file ShiftedJetProducerT.h.

                                                                 {
     if (verbosity_) {
       std::cout << "<ShiftedJetProducerT::produce>:" << std::endl;
       std::cout << " moduleLabel = " << moduleLabel_ << std::endl;
       std::cout << " src = " << src_.label() << std::endl;
     }
 
     edm::Handle<JetCollection> originalJets;
     evt.getByToken(srcToken_, originalJets);
     edm::Handle<reco::JetCorrector> jetCorrUpToL3;
     evt.getByToken(jetCorrTokenUpToL3_, jetCorrUpToL3);
     edm::Handle<reco::JetCorrector> jetCorrUpToL3Res;
     if (evt.isRealData() && addResidualJES_) {
       evt.getByToken(jetCorrTokenUpToL3Res_, jetCorrUpToL3Res);
     }
     auto shiftedJets = std::make_unique<JetCollection>();
 
     if (!jetCorrPayloadName_.empty()) {
       edm::ESHandle<JetCorrectorParametersCollection> jetCorrParameterSet;
       es.get<JetCorrectionsRecord>().get(jetCorrPayloadName_, jetCorrParameterSet);
       const JetCorrectorParameters& jetCorrParameters = (*jetCorrParameterSet)[jetCorrUncertaintyTag_];
       delete jecUncertainty_;
       jecUncertainty_ = new JetCorrectionUncertainty(jetCorrParameters);
     }
 
     for (typename JetCollection::const_iterator originalJet = originalJets->begin(); originalJet != originalJets->end();
          ++originalJet) {
       reco::Candidate::LorentzVector originalJetP4 = originalJet->p4();
       if (verbosity_) {
         std::cout << "originalJet: Pt = " << originalJetP4.pt() << ", eta = " << originalJetP4.eta()
                   << ", phi = " << originalJetP4.phi() << std::endl;
       }
 
       double shift = 0.;
       if (jecUncertaintyValue_ != -1.) {
         shift = jecUncertaintyValue_;
       } else {
         jecUncertainty_->setJetEta(originalJetP4.eta());
         jecUncertainty_->setJetPt(originalJetP4.pt());
 
         shift = jecUncertainty_->getUncertainty(true);
       }
       if (verbosity_) {
         std::cout << "shift = " << shift << std::endl;
       }
 
       if (evt.isRealData() && addResidualJES_) {
         const static pat::RawJetExtractorT<T> rawJetExtractor{};
         reco::Candidate::LorentzVector rawJetP4 = rawJetExtractor(*originalJet);
         if (rawJetP4.E() > 1.e-1) {
           reco::Candidate::LorentzVector corrJetP4upToL3 =
               std::is_base_of<class PATJetCorrExtractor, Textractor>::value
                   ? jetCorrExtractor_(*originalJet, jetCorrLabelUpToL3_.label(), jetCorrEtaMax_, &rawJetP4)
                   : jetCorrExtractor_(*originalJet, jetCorrUpToL3.product(), jetCorrEtaMax_, &rawJetP4);
           reco::Candidate::LorentzVector corrJetP4upToL3Res =
               std::is_base_of<class PATJetCorrExtractor, Textractor>::value
                   ? jetCorrExtractor_(*originalJet, jetCorrLabelUpToL3Res_.label(), jetCorrEtaMax_, &rawJetP4)
                   : jetCorrExtractor_(*originalJet, jetCorrUpToL3Res.product(), jetCorrEtaMax_, &rawJetP4);
           if (corrJetP4upToL3.E() > 1.e-1 && corrJetP4upToL3Res.E() > 1.e-1) {
             double residualJES = (corrJetP4upToL3Res.E() / corrJetP4upToL3.E()) - 1.;
             shift = sqrt(shift * shift + residualJES * residualJES);
           }
         }
       }
 
       shift *= shiftBy_;
       if (verbosity_) {
         std::cout << "shift*shiftBy = " << shift << std::endl;
       }
 
       T shiftedJet(*originalJet);
       shiftedJet.setP4((1. + shift) * originalJetP4);
       if (verbosity_) {
         std::cout << "shiftedJet: Pt = " << shiftedJet.pt() << ", eta = " << shiftedJet.eta()
                   << ", phi = " << shiftedJet.phi() << std::endl;
       }
 
       shiftedJets->push_back(shiftedJet);
     }
 
     evt.put(std::move(shiftedJets));
   }