Inheritance diagram for PhotonIsoProducer:

Public Member Functions
	PhotonIsoProducer (const edm::ParameterSet &)
	~PhotonIsoProducer ()
Private Member Functions
virtual bool	filter (edm::Event &, const edm::EventSetup &)
Private Attributes
PFIsolationEstimator	isolator
std::string	nameIsoCh_
std::string	nameIsoNh_
std::string	nameIsoPh_
edm::InputTag	particleFlowTag_
edm::InputTag	photonTag_
bool	verbose_
edm::InputTag	vertexTag_

Detailed Description

Definition at line 27 of file PhotonIsoProducer.cc.

Constructor & Destructor Documentation

PhotonIsoProducer::PhotonIsoProducer ( const edm::ParameterSet & iConfig ) [explicit]

Definition at line 57 of file PhotonIsoProducer.cc.

References edm::ParameterSet::getParameter(), and edm::ParameterSet::getUntrackedParameter().

                                                                   {
        verbose_ = iConfig.getUntrackedParameter<bool>("verbose", false);
        vertexTag_ = iConfig.getParameter<edm::InputTag>("vertexTag");
        photonTag_ = iConfig.getParameter<edm::InputTag>("photonTag");
        particleFlowTag_ = iConfig.getParameter<edm::InputTag>("particleFlowTag");
  
        nameIsoCh_ = iConfig.getParameter<std::string>("nameValueMapIsoCh");
        nameIsoPh_ = iConfig.getParameter<std::string>("nameValueMapIsoPh");
        nameIsoNh_ = iConfig.getParameter<std::string>("nameValueMapIsoNh");
  
  
        produces<edm::ValueMap<double> >(nameIsoCh_);
        produces<edm::ValueMap<double> >(nameIsoPh_);
        produces<edm::ValueMap<double> >(nameIsoNh_);
  
        isolator.initializePhotonIsolation(kTRUE); //NOTE: this automatically set all the correct defaul veto values
        isolator.setConeSize(0.3); 
  
}

PhotonIsoProducer::~PhotonIsoProducer ( )

Definition at line 78 of file PhotonIsoProducer.cc.

{
  
  // do anything here that needs to be done at desctruction time
  // (e.g. close files, deallocate resources etc.)

}

Member Function Documentation

bool PhotonIsoProducer::filter	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)		`[private, virtual]`

Implements edm::EDFilter.

Definition at line 92 of file PhotonIsoProducer.cc.

References gather_cfg::cout, edm::EventID::event(), edm::helper::Filler< Map >::fill(), edm::Event::getByLabel(), edm::EventBase::id(), edm::helper::Filler< Map >::insert(), edm::EventID::luminosityBlock(), edm::Event::put(), edm::EventID::run(), and GoodVertex_cfg::vertexCollection.

                                                                            {
        using namespace edm;

        std::auto_ptr<edm::ValueMap<double> > chIsoMap(new edm::ValueMap<double>() );
        edm::ValueMap<double>::Filler chFiller(*chIsoMap);

        std::auto_ptr<edm::ValueMap<double> > phIsoMap(new edm::ValueMap<double>() );
        edm::ValueMap<double>::Filler phFiller(*phIsoMap);

        std::auto_ptr<edm::ValueMap<double> > nhIsoMap(new edm::ValueMap<double>() );
        edm::ValueMap<double>::Filler nhFiller(*nhIsoMap);

        Handle<reco::VertexCollection>  vertexCollection;
        iEvent.getByLabel(vertexTag_, vertexCollection);

        Handle<reco::PhotonCollection> phoCollection;
        iEvent.getByLabel(photonTag_, phoCollection);
        const reco::PhotonCollection *recoPho = phoCollection.product();

        // All PF Candidate for alternate isolation
        Handle<reco::PFCandidateCollection> pfCandidatesH;
        iEvent.getByLabel(particleFlowTag_, pfCandidatesH);
        const  PFCandidateCollection thePfColl = *(pfCandidatesH.product());

        std::vector<double> chIsoValues;
        std::vector<double> phIsoValues;
        std::vector<double> nhIsoValues;
        chIsoValues.reserve(phoCollection->size());
        phIsoValues.reserve(phoCollection->size());
        nhIsoValues.reserve(phoCollection->size());
   
        unsigned int ivtx = 0;
        VertexRef myVtxRef(vertexCollection, ivtx);


        for (reco::PhotonCollection::const_iterator aPho = recoPho->begin(); aPho != recoPho->end(); ++aPho) {

          isolator.fGetIsolation(&*aPho, 
                                 &thePfColl, 
                                 myVtxRef, 
                                 vertexCollection);

          if(verbose_) {
            std::cout << " run " << iEvent.id().run() << " lumi " << iEvent.id().luminosityBlock() << " event " << iEvent.id().event();
            std::cout << " pt " <<  aPho->pt() << " eta " << aPho->eta() << " phi " << aPho->phi() 
                      << " charge " << aPho->charge()<< " : " << std::endl;;
            
            std::cout << " ChargedIso " << isolator.getIsolationCharged() << std::endl;
            std::cout << " PhotonIso " << isolator.getIsolationPhoton() << std::endl;
            std::cout << " NeutralHadron Iso " << isolator.getIsolationNeutral()  << std::endl;
          }

          chIsoValues.push_back(isolator.getIsolationCharged());
          phIsoValues.push_back(isolator.getIsolationPhoton());
          nhIsoValues.push_back(isolator.getIsolationNeutral());

        }

        chFiller.insert(phoCollection, chIsoValues.begin(), chIsoValues.end() );
        chFiller.fill();
        
        phFiller.insert(phoCollection, phIsoValues.begin(), phIsoValues.end() );
        phFiller.fill();
        
        nhFiller.insert(phoCollection, nhIsoValues.begin(), nhIsoValues.end() );
        nhFiller.fill();
        
        
        iEvent.put(chIsoMap,nameIsoCh_);
        iEvent.put(phIsoMap,nameIsoPh_);
        iEvent.put(nhIsoMap,nameIsoNh_);
        
          
        return true;
}