EgammaHLTR9IDProducer.cc

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#include "RecoEgamma/EgammaHLTProducers/interface/EgammaHLTR9IDProducer.h"

// Framework
//#include "FWCore/Framework/interface/Event.h"
//#include "FWCore/Framework/interface/EventSetup.h"
//#include "DataFormats/Common/interface/Handle.h"
//#include "FWCore/Framework/interface/ESHandle.h"
//#include "FWCore/MessageLogger/interface/MessageLogger.h"
//#include "FWCore/Utilities/interface/Exception.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"

//#include "DataFormats/EgammaReco/interface/SuperCluster.h"
#include "RecoEcal/EgammaCoreTools/interface/EcalClusterLazyTools.h"
#include "RecoLocalCalo/EcalRecAlgos/interface/EcalSeverityLevelAlgo.h"

EgammaHLTR9IDProducer::EgammaHLTR9IDProducer(const edm::ParameterSet& config) : conf_(config)
{
 // use configuration file to setup input/output collection names
  recoEcalCandidateProducer_ = consumes<reco::RecoEcalCandidateCollection>(conf_.getParameter<edm::InputTag>("recoEcalCandidateProducer"));

  ecalRechitEBToken_ = consumes<EcalRecHitCollection>(conf_.getParameter< edm::InputTag > ("ecalRechitEB"));
  ecalRechitEEToken_ = consumes<EcalRecHitCollection>(conf_.getParameter< edm::InputTag > ("ecalRechitEE"));
  

  //register your products
  produces < reco::RecoEcalCandidateIsolationMap >();
}

EgammaHLTR9IDProducer::~EgammaHLTR9IDProducer(){}

void EgammaHLTR9IDProducer::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {

  edm::ParameterSetDescription desc;
  desc.add<edm::InputTag>(("recoEcalCandidateProducer"), edm::InputTag("hltRecoEcalCandidate"));
  desc.add<edm::InputTag>(("ecalRechitEB"), edm::InputTag("hltEcalRegionalEgammaRecHit","EcalRecHitsEB"));
  desc.add<edm::InputTag>(("ecalRechitEE"), edm::InputTag("hltEcalRegionalEgammaRecHit","EcalRecHitsEE"));
  descriptions.add(("hltEgammaHLTR9IDProducer"), desc);  
}


// ------------ method called to produce the data  ------------
void EgammaHLTR9IDProducer::produce(edm::Event& iEvent, const edm::EventSetup& iSetup) {
  
  // Get the HLT filtered objects
  edm::Handle<reco::RecoEcalCandidateCollection> recoecalcandHandle;
  iEvent.getByToken(recoEcalCandidateProducer_, recoecalcandHandle);

  EcalClusterLazyTools lazyTools( iEvent, iSetup, ecalRechitEBToken_, ecalRechitEEToken_ );
  
  reco::RecoEcalCandidateIsolationMap r9Map;
   
  for(unsigned  int iRecoEcalCand=0; iRecoEcalCand<recoecalcandHandle->size(); iRecoEcalCand++) {
    
    reco::RecoEcalCandidateRef recoecalcandref(recoecalcandHandle, iRecoEcalCand);//-recoecalcandHandle->begin());

    float r9 = -1;

    float e9 = lazyTools.e3x3( *(recoecalcandref->superCluster()->seed()) );
    float eraw = recoecalcandref->superCluster()->rawEnergy();
    if (eraw > 0. ) {r9 = e9/eraw;}

    r9Map.insert(recoecalcandref, r9);
    
  }

  std::auto_ptr<reco::RecoEcalCandidateIsolationMap> R9Map(new reco::RecoEcalCandidateIsolationMap(r9Map));
  iEvent.put(R9Map);

}

//define this as a plug-in
//DEFINE_FWK_MODULE(EgammaHLTR9IDProducer);