#include <ShiftedParticleProducerT.h>

Inheritance diagram for ShiftedParticleProducerT< T >:

Classes
struct	binningEntryType

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

	~ShiftedParticleProducerT () override

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

bool	hasAbilityToProduceInLumis () const final

bool	hasAbilityToProduceInRuns () const final

Private Types
typedef std::vector< T >	ParticleCollection

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

Private Attributes
std::vector< binningEntryType * >	binning_

std::string	moduleLabel_

double	shiftBy_

edm::EDGetTokenT< ParticleCollection >	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

template<typename T>
class ShiftedParticleProducerT< T >

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: Christian Veelken, LLR

Definition at line 31 of file ShiftedParticleProducerT.h.

Member Typedef Documentation

template<typename T >

typedef std::vector<T> ShiftedParticleProducerT< T >::ParticleCollection

private

Definition at line 33 of file ShiftedParticleProducerT.h.

Constructor & Destructor Documentation

template<typename T >

ShiftedParticleProducerT< T >::ShiftedParticleProducerT ( const edm::ParameterSet & cfg )

inlineexplicit

Definition at line 37 of file ShiftedParticleProducerT.h.

References ShiftedParticleProducerT< T >::binning_, edm::ParameterSet::exists(), edm::ParameterSet::getParameter(), ShiftedParticleProducerT< T >::shiftBy_, and ShiftedParticleProducerT< T >::srcToken_.

     : moduleLabel_(cfg.getParameter<std::string>("@module_label"))
   {
     srcToken_ = consumes<ParticleCollection>(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));
       }
     } else {
       double uncertainty = cfg.getParameter<double>("uncertainty");
       binning_.push_back(new binningEntryType(uncertainty));
     }
 
     produces<ParticleCollection>();
   }

template<typename T >

ShiftedParticleProducerT< T >::~ShiftedParticleProducerT ( )

inlineoverride

Definition at line 58 of file ShiftedParticleProducerT.h.

References ShiftedParticleProducerT< T >::binning_.

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

Member Function Documentation

template<typename T >

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

inlineoverrideprivate

Definition at line 68 of file ShiftedParticleProducerT.h.

References ShiftedParticleProducerT< T >::binning_, edm::Event::getByToken(), edm::isNotFinite(), eostools::move(), edm::Event::put(), edm::shift, ShiftedParticleProducerT< T >::shiftBy_, and ShiftedParticleProducerT< T >::srcToken_.

   {
     edm::Handle<ParticleCollection> originalParticles;
     evt.getByToken(srcToken_, originalParticles);
 
     auto shiftedParticles = std::make_unique<ParticleCollection>();
 
     for ( typename ParticleCollection::const_iterator originalParticle = originalParticles->begin();
       originalParticle != originalParticles->end(); ++originalParticle ) {
 
       double uncertainty = 0.;
       for ( typename std::vector<binningEntryType*>::iterator binningEntry = binning_.begin();
         binningEntry != binning_.end(); ++binningEntry ) {
     if ( (!(*binningEntry)->binSelection_) || (*(*binningEntry)->binSelection_)(*originalParticle) ) {
       uncertainty = (*binningEntry)->binUncertainty_;
       break;
     }
       }
 
       double shift = shiftBy_*uncertainty;
 
       reco::Candidate::LorentzVector shiftedParticleP4 = originalParticle->p4();
       //leave 0*nan = 0 
       if (! (edm::isNotFinite(shift) && shiftedParticleP4.mag2()==0)) shiftedParticleP4 *= (1. + shift);
 
       T shiftedParticle(*originalParticle);
       shiftedParticle.setP4(shiftedParticleP4);
 
       shiftedParticles->push_back(shiftedParticle);
     }
 
     evt.put(std::move(shiftedParticles));
   }