#include <EgammaHLTEcalRecIsolationProducer.h>

Inheritance diagram for EgammaHLTEcalRecIsolationProducer:

Public Member Functions
	EgammaHLTEcalRecIsolationProducer (const edm::ParameterSet &)

virtual void	produce (edm::Event &, const edm::EventSetup &)

	~EgammaHLTEcalRecIsolationProducer ()

Public Member Functions inherited from edm::EDProducer
	EDProducer ()

virtual	~EDProducer ()

Public Member Functions inherited from edm::ProducerBase
	ProducerBase ()

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

boost::function< void(const BranchDescription &)>	registrationCallback () const
	used by the fwk to register list of products More...

virtual	~ProducerBase ()

Private Attributes
edm::ParameterSet	conf_

bool	doRhoCorrection_

edm::InputTag	ecalBarrelRecHitCollection_

edm::InputTag	ecalBarrelRecHitProducer_

edm::InputTag	ecalEndcapRecHitCollection_

edm::InputTag	ecalEndcapRecHitProducer_

float	effectiveAreaBarrel_

float	effectiveAreaEndcap_

double	egIsoConeSizeInBarrel_

double	egIsoConeSizeInEndcap_

double	egIsoConeSizeOut_

double	egIsoEMinBarrel_

double	egIsoEMinEndcap_

double	egIsoJurassicWidth_

double	egIsoPtMinBarrel_

double	egIsoPtMinEndcap_

edm::InputTag	recoEcalCandidateProducer_

float	rhoMax_

edm::InputTag	rhoProducer_

float	rhoScale_

bool	subtract_

bool	tryBoth_

bool	useIsolEt_

bool	useNumCrystals_

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType

typedef WorkerT< EDProducer >	WorkerType

Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Protected Member Functions inherited from edm::EDProducer
CurrentProcessingContext const *	currentContext () const

Protected Member Functions inherited from edm::ProducerBase
template<class TProducer , class TMethod >
void	callWhenNewProductsRegistered (TProducer *iProd, TMethod iMethod)

Detailed Description

Definition at line 33 of file EgammaHLTEcalRecIsolationProducer.h.

Constructor & Destructor Documentation

EgammaHLTEcalRecIsolationProducer::EgammaHLTEcalRecIsolationProducer ( const edm::ParameterSet & config )

explicit

Definition at line 41 of file EgammaHLTEcalRecIsolationProducer.cc.

References conf_, doRhoCorrection_, ecalBarrelRecHitCollection_, ecalBarrelRecHitProducer_, ecalEndcapRecHitCollection_, ecalEndcapRecHitProducer_, effectiveAreaBarrel_, effectiveAreaEndcap_, egIsoConeSizeInBarrel_, egIsoConeSizeInEndcap_, egIsoConeSizeOut_, egIsoEMinBarrel_, egIsoEMinEndcap_, egIsoJurassicWidth_, egIsoPtMinBarrel_, egIsoPtMinEndcap_, edm::ParameterSet::getParameter(), recoEcalCandidateProducer_, rhoMax_, rhoProducer_, rhoScale_, subtract_, tryBoth_, useIsolEt_, and useNumCrystals_.

                                                                                                   : conf_(config)
 {
   // use configuration file to setup input/output collection names
   //inputs
   recoEcalCandidateProducer_      = conf_.getParameter<edm::InputTag>("recoEcalCandidateProducer");
   ecalBarrelRecHitProducer_       = conf_.getParameter<edm::InputTag>("ecalBarrelRecHitProducer");
   ecalBarrelRecHitCollection_     = conf_.getParameter<edm::InputTag>("ecalBarrelRecHitCollection");
   ecalEndcapRecHitProducer_       = conf_.getParameter<edm::InputTag>("ecalEndcapRecHitProducer");
   ecalEndcapRecHitCollection_     = conf_.getParameter<edm::InputTag>("ecalEndcapRecHitCollection");
   rhoProducer_                    = config.getParameter<edm::InputTag>("rhoProducer");
   doRhoCorrection_                = config.getParameter<bool>("doRhoCorrection");
   rhoMax_                         = config.getParameter<double>("rhoMax"); 
   rhoScale_                       = config.getParameter<double>("rhoScale"); 
 
   //vetos
   egIsoPtMinBarrel_               = conf_.getParameter<double>("etMinBarrel");
   egIsoEMinBarrel_                = conf_.getParameter<double>("eMinBarrel");
   egIsoPtMinEndcap_               = conf_.getParameter<double>("etMinEndcap");
   egIsoEMinEndcap_                = conf_.getParameter<double>("eMinEndcap");
   egIsoConeSizeInBarrel_          = conf_.getParameter<double>("intRadiusBarrel");
   egIsoConeSizeInEndcap_          = conf_.getParameter<double>("intRadiusEndcap");
   egIsoConeSizeOut_               = conf_.getParameter<double>("extRadius");
   egIsoJurassicWidth_             = conf_.getParameter<double>("jurassicWidth");
   effectiveAreaBarrel_            = config.getParameter<double>("effectiveAreaBarrel");
   effectiveAreaEndcap_            = config.getParameter<double>("effectiveAreaEndcap");
   
   // options
   useIsolEt_ = conf_.getParameter<bool>("useIsolEt");
   tryBoth_   = conf_.getParameter<bool>("tryBoth");
   subtract_  = conf_.getParameter<bool>("subtract");
   useNumCrystals_ = conf_.getParameter<bool>("useNumCrystals");
 
   //register your products
   produces < reco::RecoEcalCandidateIsolationMap >();  
 }

EgammaHLTEcalRecIsolationProducer::~EgammaHLTEcalRecIsolationProducer ( )

Definition at line 77 of file EgammaHLTEcalRecIsolationProducer.cc.

77 {}

Member Function Documentation

void EgammaHLTEcalRecIsolationProducer::produce	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

virtual

Implements edm::EDProducer.

Definition at line 81 of file EgammaHLTEcalRecIsolationProducer.cc.

References begin, doRhoCorrection_, DetId::Ecal, ecalBarrelRecHitCollection_, ecalBarrelRecHitProducer_, ecalEndcapRecHitCollection_, ecalEndcapRecHitProducer_, effectiveAreaBarrel_, effectiveAreaEndcap_, egIsoConeSizeInBarrel_, egIsoConeSizeInEndcap_, egIsoConeSizeOut_, egIsoEMinBarrel_, egIsoEMinEndcap_, egIsoJurassicWidth_, egIsoPtMinBarrel_, egIsoPtMinEndcap_, create_public_lumi_plots::exp, edm::EventSetup::get(), edm::Ref< C, T, F >::get(), edm::Event::getByLabel(), EgammaRecHitIsolation::getEnergySum(), EgammaRecHitIsolation::getEtSum(), edm::AssociationMap< Tag >::insert(), edm::InputTag::label(), edm::Handle< T >::product(), edm::ESHandle< class >::product(), edm::Event::put(), recoEcalCandidateProducer_, rho, rhoMax_, rhoProducer_, rhoScale_, EgammaRecHitIsolation::setUseNumCrystals(), funct::sin(), subtract_, tryBoth_, useIsolEt_, and useNumCrystals_.

                                                                                             {
 
   // Get the RecoEcalCandidate Collection
   edm::Handle<reco::RecoEcalCandidateCollection> recoecalcandHandle;
   iEvent.getByLabel(recoEcalCandidateProducer_,recoecalcandHandle);
 
   // Next get Ecal hits barrel
   edm::Handle<EcalRecHitCollection> ecalBarrelRecHitHandle; //EcalRecHitCollection is a typedef to
   iEvent.getByLabel(ecalBarrelRecHitProducer_.label(),ecalBarrelRecHitCollection_.label(), ecalBarrelRecHitHandle);
 
   // Next get Ecal hits endcap
   edm::Handle<EcalRecHitCollection> ecalEndcapRecHitHandle;
   iEvent.getByLabel(ecalEndcapRecHitProducer_.label(), ecalEndcapRecHitCollection_.label(),ecalEndcapRecHitHandle);
 
   //create the meta hit collections inorder that we can pass them into the isolation objects
 
   EcalRecHitMetaCollection ecalBarrelHits(*ecalBarrelRecHitHandle);
   EcalRecHitMetaCollection ecalEndcapHits(*ecalEndcapRecHitHandle);
 
   //Get Calo Geometry
   edm::ESHandle<CaloGeometry> pG;
   iSetup.get<CaloGeometryRecord>().get(pG);
   const CaloGeometry* caloGeom = pG.product();
 
   edm::ESHandle<EcalSeverityLevelAlgo> sevlv;
   iSetup.get<EcalSeverityLevelAlgoRcd>().get(sevlv);
   const EcalSeverityLevelAlgo* sevLevel = sevlv.product();
   
   edm::Handle<double> rhoHandle;
   double rho = 0.0;
   if (doRhoCorrection_) {
     iEvent.getByLabel(rhoProducer_, rhoHandle);
     rho = *(rhoHandle.product());
   }
 
   if (rho > rhoMax_)
     rho = rhoMax_;
 
   rho = rho*rhoScale_;
 
   //prepare product
   reco::RecoEcalCandidateIsolationMap isoMap;
 
   //create algorithm objects
   EgammaRecHitIsolation ecalBarrelIsol(egIsoConeSizeOut_,egIsoConeSizeInBarrel_,egIsoJurassicWidth_,egIsoPtMinBarrel_,egIsoEMinBarrel_,edm::ESHandle<CaloGeometry>(caloGeom),&ecalBarrelHits,sevLevel,DetId::Ecal);
   ecalBarrelIsol.setUseNumCrystals(useNumCrystals_);
   EgammaRecHitIsolation ecalEndcapIsol(egIsoConeSizeOut_,egIsoConeSizeInEndcap_,egIsoJurassicWidth_,egIsoPtMinEndcap_,egIsoEMinEndcap_,edm::ESHandle<CaloGeometry>(caloGeom),&ecalEndcapHits,sevLevel,DetId::Ecal);
   ecalEndcapIsol.setUseNumCrystals(useNumCrystals_);
 
   for (reco::RecoEcalCandidateCollection::const_iterator iRecoEcalCand= recoecalcandHandle->begin(); iRecoEcalCand!=recoecalcandHandle->end(); iRecoEcalCand++) {
     
     //create reference for storage in isolation map
     reco::RecoEcalCandidateRef recoecalcandref(reco::RecoEcalCandidateRef(recoecalcandHandle,iRecoEcalCand -recoecalcandHandle ->begin()));
     
     //ecal isolation is centered on supecluster
     reco::SuperClusterRef superClus = iRecoEcalCand->get<reco::SuperClusterRef>();
 
     //i need to know if its in the barrel/endcap so I get the supercluster handle to find out the detector eta
     //this might not be the best way, are we guaranteed that eta<1.5 is barrel
     //this can be safely replaced by another method which determines where the emobject is
     //then we either get the isolation Et or isolation Energy depending on user selection
     float isol =0.;
 
     if(tryBoth_){ //barrel + endcap
       if(useIsolEt_) isol =  ecalBarrelIsol.getEtSum(&(*iRecoEcalCand)) + ecalEndcapIsol.getEtSum(&(*iRecoEcalCand));
       else           isol =  ecalBarrelIsol.getEnergySum(&(*iRecoEcalCand)) + ecalEndcapIsol.getEnergySum(&(*iRecoEcalCand));
     }
     else if( fabs(superClus->eta())<1.479) { //barrel
       if(useIsolEt_) isol =  ecalBarrelIsol.getEtSum(&(*iRecoEcalCand));
       else           isol =  ecalBarrelIsol.getEnergySum(&(*iRecoEcalCand));
     }
     else{ //endcap
       if(useIsolEt_) isol =  ecalEndcapIsol.getEtSum(&(*iRecoEcalCand));
       else           isol =  ecalEndcapIsol.getEnergySum(&(*iRecoEcalCand));
     }
 
     //we subtract off the electron energy here as well
     double subtractVal=0;
 
     if(useIsolEt_) subtractVal = superClus.get()->rawEnergy()*sin(2*atan(exp(-superClus.get()->eta())));
     else           subtractVal = superClus.get()->rawEnergy();
 
     if(subtract_) isol-= subtractVal;
     
     if (doRhoCorrection_) {
       if (fabs(superClus->eta()) < 1.442) 
     isol = isol - rho*effectiveAreaBarrel_;
       else
     isol = isol - rho*effectiveAreaEndcap_;
     }
 
     isoMap.insert(recoecalcandref, isol);
   }
 
   std::auto_ptr<reco::RecoEcalCandidateIsolationMap> isolMap(new reco::RecoEcalCandidateIsolationMap(isoMap));
   iEvent.put(isolMap);
 
 }