#include <ShiftedParticleProducer.h>

Inheritance diagram for ShiftedParticleProducer:

Classes
struct	binningEntryType

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

	~ShiftedParticleProducer () override

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

bool	hasAbilityToProduceInLumis () const final

bool	hasAbilityToProduceInRuns () const final

Private Types
typedef edm::View< reco::Candidate >	CandidateView

Private Member Functions
double	getUncShift (const CandidateView::const_iterator &originalParticle)

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

Private Attributes
std::vector< binningEntryType * >	binning_

std::string	moduleLabel_

double	shiftBy_

edm::EDGetTokenT< CandidateView >	srcToken_

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

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

NOTE: energy scale uncertainties need to be specified in python config

Author: Matthieu marionneau ETH

Definition at line 32 of file ShiftedParticleProducer.h.

Member Typedef Documentation

typedef edm::View<reco::Candidate> ShiftedParticleProducer::CandidateView

private

Definition at line 34 of file ShiftedParticleProducer.h.

Constructor & Destructor Documentation

ShiftedParticleProducer::ShiftedParticleProducer ( const edm::ParameterSet & cfg )

explicit

Definition at line 4 of file ShiftedParticleProducer.cc.

References binning_, edm::ParameterSet::exists(), edm::ParameterSet::getParameter(), moduleLabel_, shiftBy_, srcToken_, and AlCaHLTBitMon_QueryRunRegistry::string.

 {
   moduleLabel_=cfg.getParameter<std::string>("@module_label");
   srcToken_ = consumes<CandidateView>(cfg.getParameter<edm::InputTag>("src"));
   shiftBy_ = cfg.getParameter<double>("shiftBy");
 
   if ( cfg.exists("binning") ) {
     typedef std::vector<edm::ParameterSet> vParameterSet;
     vParameterSet cfgBinning = cfg.getParameter<vParameterSet>("binning");
     for ( vParameterSet::const_iterator cfgBinningEntry = cfgBinning.begin();
       cfgBinningEntry != cfgBinning.end(); ++cfgBinningEntry ) {
       binning_.push_back(new binningEntryType(*cfgBinningEntry,moduleLabel_));
     }
   } else {
     std::string uncertainty = cfg.getParameter<std::string>("uncertainty");
     binning_.push_back(new binningEntryType(uncertainty, moduleLabel_));
   }
 
   produces<reco::CandidateCollection>();
 }

ShiftedParticleProducer::~ShiftedParticleProducer ( )

override

Definition at line 25 of file ShiftedParticleProducer.cc.

References binning_.

 {
   for(std::vector<binningEntryType*>::const_iterator it = binning_.begin();
     it != binning_.end(); ++it ) {
     delete (*it);
   }
 }

Member Function Documentation

double ShiftedParticleProducer::getUncShift ( const CandidateView::const_iterator & originalParticle )

private

Definition at line 61 of file ShiftedParticleProducer.cc.

References binning_, and DEFINE_FWK_MODULE.

Referenced by produce().

                                                                                                  {
   double valx=0;
   double valy=0;
   for(std::vector<binningEntryType*>::iterator binningEntry=binning_.begin();
       binningEntry!=binning_.end(); ++binningEntry ) {
     if( (!(*binningEntry)->binSelection_) || (*(*binningEntry)->binSelection_)(*originalParticle) ) {
 
       if( (*binningEntry)->energyDep_ ) valx=originalParticle->energy();
       else valx=originalParticle->pt();
 
       valy=originalParticle->eta();
       return (*binningEntry)->binUncFormula_->Eval(valx, valy);
     }
   }
   return 0;
 }

void ShiftedParticleProducer::produce	(	edm::Event &	evt,
		const edm::EventSetup &	es
	)

overrideprivate

Definition at line 34 of file ShiftedParticleProducer.cc.

References edm::View< T >::begin(), edm::View< T >::end(), edm::Event::getByToken(), getUncShift(), edm::isNotFinite(), eostools::move(), edm::Event::put(), edm::shift, shiftBy_, and srcToken_.

 {
   edm::Handle<CandidateView> originalParticles;
   evt.getByToken(srcToken_, originalParticles);
 
   auto shiftedParticles = std::make_unique<reco::CandidateCollection>();
 
   for(CandidateView::const_iterator originalParticle = originalParticles->begin();
       originalParticle != originalParticles->end(); ++originalParticle ) {
 
     double uncertainty = getUncShift(originalParticle);
     double shift = shiftBy_*uncertainty;
 
     reco::Candidate::LorentzVector shiftedParticleP4 = originalParticle->p4();
     //leave 0*nan = 0
     if (! (edm::isNotFinite(shift) && shiftedParticleP4.mag2()==0)) shiftedParticleP4 *= (1. + shift);
 
     std::unique_ptr<reco::Candidate> shiftedParticle = std::make_unique<reco::LeafCandidate>(*originalParticle);
     shiftedParticle->setP4(shiftedParticleP4);
     
     shiftedParticles->push_back( shiftedParticle.release() );
   }
 
   evt.put(std::move(shiftedParticles));
 }