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/data/refman/pasoursint/CMSSW_4_1_8_patch12/src/RecoMuon/MuonIdentification/plugins/InterestingEcalDetIdProducer.cc

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00001 #include "RecoMuon/MuonIdentification/plugins/InterestingEcalDetIdProducer.h"
00002 
00003 #include "FWCore/MessageLogger/interface/MessageLogger.h"
00004 #include "FWCore/Framework/interface/Event.h"
00005 #include "FWCore/Framework/interface/EventSetup.h"
00006 #include "FWCore/Framework/interface/ESHandle.h"
00007 #include "FWCore/ParameterSet/interface/ParameterSet.h"
00008 
00009 #include "DataFormats/EcalRecHit/interface/EcalRecHitCollections.h"
00010 
00011 #include "DataFormats/EcalDetId/interface/EBDetId.h"
00012 #include "DataFormats/EcalDetId/interface/EEDetId.h"
00013 
00014 #include "DataFormats/DetId/interface/DetIdCollection.h"
00015 #include "DataFormats/EgammaReco/interface/BasicCluster.h"
00016 #include "DataFormats/EgammaReco/interface/BasicClusterFwd.h"
00017 
00018 #include "Geometry/CaloEventSetup/interface/CaloTopologyRecord.h"
00019 #include "Geometry/CaloTopology/interface/CaloTopology.h"
00020 #include "Geometry/CaloTopology/interface/CaloSubdetectorTopology.h"
00021 
00022 #include "DataFormats/MuonReco/interface/Muon.h"
00023 #include "DataFormats/MuonReco/interface/MuonFwd.h"
00024 
00025 InterestingEcalDetIdProducer::InterestingEcalDetIdProducer(const edm::ParameterSet& iConfig) 
00026 {
00027   inputCollection_ = iConfig.getParameter< edm::InputTag >("inputCollection");
00028   produces< DetIdCollection >() ;
00029 }
00030 
00031 
00032 InterestingEcalDetIdProducer::~InterestingEcalDetIdProducer()
00033 {}
00034 
00035 void InterestingEcalDetIdProducer::beginRun (edm::Run & run, const edm::EventSetup & iSetup)  
00036 {
00037    edm::ESHandle<CaloTopology> theCaloTopology;
00038    iSetup.get<CaloTopologyRecord>().get(theCaloTopology);
00039    caloTopology_ = &(*theCaloTopology); 
00040 }
00041 
00042 void
00043 InterestingEcalDetIdProducer::produce (edm::Event& iEvent, 
00044                                        const edm::EventSetup& iSetup)
00045 {
00046   edm::Handle<reco::MuonCollection> muons;
00047   iEvent.getByLabel(inputCollection_,muons);
00048   
00049   std::auto_ptr< DetIdCollection > interestingDetIdCollection( new DetIdCollection() ) ;
00050 
00051   for(reco::MuonCollection::const_iterator muon = muons->begin(); muon != muons->end(); ++muon){
00052     if (! muon->isEnergyValid() ) continue;
00053     if ( muon->calEnergy().ecal_id.rawId()==0 ) continue;
00054     const CaloSubdetectorTopology* topology = caloTopology_->getSubdetectorTopology(DetId::Ecal,muon->calEnergy().ecal_id.subdetId());
00055     const std::vector<DetId>& ids = topology->getWindow(muon->calEnergy().ecal_id, 5, 5); 
00056     for ( std::vector<DetId>::const_iterator id = ids.begin(); id != ids.end(); ++id )
00057       if(std::find(interestingDetIdCollection->begin(), interestingDetIdCollection->end(), *id) 
00058          == interestingDetIdCollection->end()) 
00059         interestingDetIdCollection->push_back(*id);
00060   }
00061   iEvent.put(interestingDetIdCollection);
00062 }