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/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_14/src/RecoEgamma/EgammaHLTProducers/src/EgammaHLTR9Producer.cc

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00001 
00009 #include "RecoEgamma/EgammaHLTProducers/interface/EgammaHLTR9Producer.h"
00010 
00011 // Framework
00012 #include "FWCore/Framework/interface/Event.h"
00013 #include "FWCore/Framework/interface/EventSetup.h"
00014 #include "DataFormats/Common/interface/Handle.h"
00015 #include "FWCore/Framework/interface/ESHandle.h"
00016 #include "FWCore/MessageLogger/interface/MessageLogger.h"
00017 #include "FWCore/Utilities/interface/Exception.h"
00018 
00019 #include "DataFormats/RecoCandidate/interface/RecoEcalCandidate.h"
00020 #include "DataFormats/RecoCandidate/interface/RecoEcalCandidateIsolation.h"
00021 
00022 #include "DataFormats/EgammaReco/interface/SuperCluster.h"
00023 #include "RecoEcal/EgammaCoreTools/interface/EcalClusterLazyTools.h"
00024 #include "RecoLocalCalo/EcalRecAlgos/interface/EcalSeverityLevelAlgo.h"
00025 
00026 EgammaHLTR9Producer::EgammaHLTR9Producer(const edm::ParameterSet& config) : conf_(config)
00027 {
00028  // use configuration file to setup input/output collection names
00029   recoEcalCandidateProducer_ = conf_.getParameter<edm::InputTag>("recoEcalCandidateProducer");
00030   ecalRechitEBTag_ = conf_.getParameter< edm::InputTag > ("ecalRechitEB");
00031   ecalRechitEETag_ = conf_.getParameter< edm::InputTag > ("ecalRechitEE");
00032   useSwissCross_   = conf_.getParameter< bool > ("useSwissCross");
00033   //register your products
00034   produces < reco::RecoEcalCandidateIsolationMap >();
00035 }
00036 
00037 
00038 EgammaHLTR9Producer::~EgammaHLTR9Producer(){}
00039 
00040 
00041 //
00042 // member functions
00043 //
00044 
00045 // ------------ method called to produce the data  ------------
00046 void
00047 EgammaHLTR9Producer::produce(edm::Event& iEvent, const edm::EventSetup& iSetup)
00048 {
00049   
00050   // Get the HLT filtered objects
00051   edm::Handle<reco::RecoEcalCandidateCollection> recoecalcandHandle;
00052   iEvent.getByLabel(recoEcalCandidateProducer_,recoecalcandHandle);
00053 
00054   EcalClusterLazyTools lazyTools( iEvent, iSetup, ecalRechitEBTag_, ecalRechitEETag_ );
00055   
00056   reco::RecoEcalCandidateIsolationMap r9Map;
00057    
00058   for(reco::RecoEcalCandidateCollection::const_iterator iRecoEcalCand = recoecalcandHandle->begin(); iRecoEcalCand != recoecalcandHandle->end(); iRecoEcalCand++){
00059     
00060     reco::RecoEcalCandidateRef recoecalcandref(recoecalcandHandle,iRecoEcalCand-recoecalcandHandle->begin());
00061 
00062     float r9 = -1;
00063 
00064     if (useSwissCross_){
00065       // I guess this can be removed completely
00066       //DetId maxEId = (lazyTools.getMaximum(*(recoecalcandref->superCluster()->seed()) )).first;
00067       //float EcalSeverityLevelAlgo::swissCross( const DetId id, const EcalRecHitCollection & recHits, float recHitEtThreshold )
00068       edm::Handle< EcalRecHitCollection > pEBRecHits;
00069       iEvent.getByLabel( ecalRechitEBTag_, pEBRecHits );
00070       r9 = -1;//EcalSeverityLevelAlgo::swissCross( maxEId, *(pEBRecHits.product()), 0. );
00071     }
00072     else{
00073     float e9 = lazyTools.e3x3( *(recoecalcandref->superCluster()->seed()) );
00074     if (e9 != 0 ) {r9 = lazyTools.eMax(*(recoecalcandref->superCluster()->seed())  )/e9;}
00075     }
00076 
00077     r9Map.insert(recoecalcandref, r9);
00078     
00079   }
00080 
00081   std::auto_ptr<reco::RecoEcalCandidateIsolationMap> R9Map(new reco::RecoEcalCandidateIsolationMap(r9Map));
00082   iEvent.put(R9Map);
00083 
00084 }
00085 
00086 //define this as a plug-in
00087 //DEFINE_FWK_MODULE(EgammaHLTR9Producer);