egammaisolation::EgammaHcalExtractor Class Reference

#include <EgammaHcalExtractor.h>

Inheritance diagram for egammaisolation::EgammaHcalExtractor:

List of all members.

Public Member Functions
virtual reco::IsoDeposit	deposit (const edm::Event &ev, const edm::EventSetup &evSetup, const reco::Track &track) const
virtual reco::IsoDeposit	deposit (const edm::Event &ev, const edm::EventSetup &evSetup, const reco::Candidate &c) const
	EgammaHcalExtractor (const edm::ParameterSet &par)
virtual void	fillVetos (const edm::Event &ev, const edm::EventSetup &evSetup, const reco::TrackCollection &tracks)
virtual	~EgammaHcalExtractor ()
Private Attributes
double	etLow_
double	extRadius_
edm::InputTag	hcalRecHitProducer_
double	intRadius_

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Detailed Description

Definition at line 38 of file EgammaHcalExtractor.h.

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Constructor & Destructor Documentation

EgammaHcalExtractor::EgammaHcalExtractor

(

const edm::ParameterSet &

par

)

Definition at line 35 of file EgammaHcalExtractor.cc.

                                                                      :
    extRadius_(par.getParameter<double>("extRadius")),
    intRadius_(par.getParameter<double>("intRadius")),
    etLow_(par.getParameter<double>("etMin")),
    hcalRecHitProducer_(par.getParameter<edm::InputTag>("hcalRecHits")) { 
}

EgammaHcalExtractor::~EgammaHcalExtractor

(

)

[virtual]

Definition at line 42 of file EgammaHcalExtractor.cc.

{}

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Member Function Documentation

virtual reco::IsoDeposit egammaisolation::EgammaHcalExtractor::deposit	(	const edm::Event &	ev,
		const edm::EventSetup &	evSetup,
		const reco::Track &	track
	)		const [inline, virtual]

make single IsoDeposit based on track as input purely virtual: have to implement in concrete implementations

Implements reco::isodeposit::IsoDepositExtractor.

Definition at line 46 of file EgammaHcalExtractor.h.

References Exception, and AlCaRecoCosmics_cfg::name.

Referenced by deposit().

                                                                            {
            throw cms::Exception("Configuration Error") << 
                     "This extractor " << (typeid(this).name()) << " is not made for tracks";
         }

reco::IsoDeposit EgammaHcalExtractor::deposit	(	const edm::Event &	ev,
		const edm::EventSetup &	evSetup,
		const reco::Candidate &	track
	)		const [virtual]

make single IsoDeposit based on a candidate as input purely virtual: have to implement in concrete implementations

Reimplemented from reco::isodeposit::IsoDepositExtractor.

Definition at line 44 of file EgammaHcalExtractor.cc.

References deposit(), PV3DBase< T, PVType, FrameType >::eta(), etLow_, funct::exp(), extRadius_, edm::EventSetup::get(), reco::Candidate::get(), edm::Event::getByLabel(), CaloGeometry::getPosition(), DetId::Hcal, hcalRecHitProducer_, i, intRadius_, PV3DBase< T, PVType, FrameType >::phi(), point, edm::ESHandle< T >::product(), CaloDualConeSelector::select(), and funct::sin().

                                                                            {

    //Get MetaRecHit collection
    edm::Handle<HBHERecHitCollection> hcalRecHitHandle;
    iEvent.getByLabel(hcalRecHitProducer_, hcalRecHitHandle);
    HBHERecHitMetaCollection mhbhe =  HBHERecHitMetaCollection(*hcalRecHitHandle); 

    //Get Calo Geometry
    edm::ESHandle<CaloGeometry> pG;
    iSetup.get<CaloGeometryRecord>().get(pG);
    const CaloGeometry* caloGeom = pG.product();
    CaloDualConeSelector coneSel(intRadius_, extRadius_, caloGeom, DetId::Hcal);

    //Take the SC position
    reco::SuperClusterRef sc = emObject.get<reco::SuperClusterRef>();
    math::XYZPoint caloPosition = sc->position();
    GlobalPoint point(caloPosition.x(), caloPosition.y() , caloPosition.z());
    // needed: coneSel.select(eta,phi,hits) is not the same!

    Direction candDir(caloPosition.eta(), caloPosition.phi());
    reco::IsoDeposit deposit( candDir );
    deposit.setVeto( reco::IsoDeposit::Veto(candDir, intRadius_) ); 
    double sinTheta = sin(2*atan(exp(-sc->eta())));
    deposit.addCandEnergy(sc->energy()*sinTheta);

    //Compute the HCAL energy behind ECAL
    std::auto_ptr<CaloRecHitMetaCollectionV> chosen = coneSel.select(point, mhbhe);
    for (CaloRecHitMetaCollectionV::const_iterator i = chosen->begin (), ed = chosen->end() ; 
            i!= ed; ++i) {
        const  GlobalPoint & hcalHit_position = caloGeom->getPosition(i->detid());
        double hcalHit_eta = hcalHit_position.eta();
        double hcalHit_Et = i->energy()*sin(2*atan(exp(-hcalHit_eta)));
        if ( hcalHit_Et > etLow_) {
            deposit.addDeposit( Direction(hcalHit_eta, hcalHit_position.phi()), hcalHit_Et);
        }
    }

    return deposit;
}

virtual void egammaisolation::EgammaHcalExtractor::fillVetos	(	const edm::Event &	ev,
		const edm::EventSetup &	evSetup,
		const reco::TrackCollection &	tracks
	)		[inline, virtual]

fill vetoes: to exclude deposits at IsoDeposit creation stage check concrete extractors if it's no-op !

Implements reco::isodeposit::IsoDepositExtractor.

Definition at line 44 of file EgammaHcalExtractor.h.

                                                                     { }

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Member Data Documentation

double egammaisolation::EgammaHcalExtractor::etLow_ [private]

Definition at line 57 of file EgammaHcalExtractor.h.

Referenced by deposit().

double egammaisolation::EgammaHcalExtractor::extRadius_ [private]

Definition at line 55 of file EgammaHcalExtractor.h.

Referenced by deposit().

edm::InputTag egammaisolation::EgammaHcalExtractor::hcalRecHitProducer_ [private]

Definition at line 59 of file EgammaHcalExtractor.h.

Referenced by deposit().

double egammaisolation::EgammaHcalExtractor::intRadius_ [private]

Definition at line 56 of file EgammaHcalExtractor.h.

Referenced by deposit().