#include <EgammaEcalExtractor.h>

Inheritance diagram for egammaisolation::EgammaEcalExtractor:

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
	EgammaEcalExtractor (const edm::ParameterSet &par)
virtual void	fillVetos (const edm::Event &ev, const edm::EventSetup &evSetup, const reco::TrackCollection &tracks)
virtual	~EgammaEcalExtractor ()
Private Attributes
edm::InputTag	basicClusterTag_
double	conesize_
double	etMin_
bool	scmatch_
edm::InputTag	superClusterTag_

Detailed Description

Definition at line 39 of file EgammaEcalExtractor.h.

Constructor & Destructor Documentation

egammaisolation::EgammaEcalExtractor::EgammaEcalExtractor ( const edm::ParameterSet & par ) [inline]

Definition at line 41 of file EgammaEcalExtractor.h.

                                                            : 
                    etMin_(par.getParameter<double>("etMin")),
                    conesize_(par.getParameter<double>("extRadius")),
                    scmatch_(par.getParameter<bool>("superClusterMatch")),
                    basicClusterTag_(par.getParameter<edm::InputTag>("basicClusters")),
                    superClusterTag_(par.getParameter<edm::InputTag>("superClusters")) { }

EgammaEcalExtractor::~EgammaEcalExtractor ( ) [virtual]

Definition at line 23 of file EgammaEcalExtractor.cc.

{}

Member Function Documentation

virtual reco::IsoDeposit egammaisolation::EgammaEcalExtractor::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 52 of file EgammaEcalExtractor.h.

References Exception, and mergeVDriftHistosByStation::name.

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

reco::IsoDeposit EgammaEcalExtractor::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 25 of file EgammaEcalExtractor.cc.

References reco::SuperCluster::clustersBegin(), reco::SuperCluster::clustersEnd(), funct::exp(), reco::Candidate::get(), edm::Event::getByLabel(), reco::CaloCluster::position(), position, reco::SuperCluster::seed(), and funct::sin().

                                                                                                                                     {
  edm::Handle<reco::SuperClusterCollection> superClusterCollectionH;
  edm::Handle<reco::BasicClusterCollection> basicClusterCollectionH;
  ev.getByLabel(superClusterTag_, superClusterCollectionH);
  ev.getByLabel(basicClusterTag_, basicClusterCollectionH);

  reco::SuperClusterRef sc = candidate.get<reco::SuperClusterRef>();
  math::XYZPoint position = sc->position();  
  // match the photon hybrid supercluster with those with Algo==0 (island)
  double delta1=1000.;
  double deltacur=1000.;
  const reco::SuperCluster *matchedsupercluster=0;
  bool MATCHEDSC = false;

  Direction candDir(position.eta(), position.phi());
  reco::IsoDeposit deposit(candDir );
  deposit.setVeto( reco::IsoDeposit::Veto(candDir, 0) ); // no veto is needed for this deposit
  deposit.addCandEnergy(sc->energy()*sin(2*atan(exp(-sc->eta()))));

  for(reco::SuperClusterCollection::const_iterator scItr = superClusterCollectionH->begin(); scItr != superClusterCollectionH->end(); ++scItr){
  
    const reco::SuperCluster *supercluster = &(*scItr);
   
    if(supercluster->seed()->algo() == 0){
      deltacur = ROOT::Math::VectorUtil::DeltaR(supercluster->position(), position); 
      if (deltacur < delta1) {
        delta1=deltacur;
        matchedsupercluster = supercluster;
        MATCHEDSC = true;
      }
    }
  }

  const reco::BasicCluster *cluster= 0;
  
  //loop over basic clusters
  for(reco::BasicClusterCollection::const_iterator cItr = basicClusterCollectionH->begin(); cItr != basicClusterCollectionH->end(); ++cItr){
 
    cluster = &(*cItr);
//    double ebc_bcchi2 = cluster->chi2();
    int    ebc_bcalgo = cluster->algo();
    double ebc_bce    = cluster->energy();
    double ebc_bceta  = cluster->eta();
    double ebc_bcet   = ebc_bce*sin(2*atan(exp(ebc_bceta)));
    double newDelta = 0.;

    if (ebc_bcet > etMin_ && ebc_bcalgo == 0) {
//      if (ebc_bcchi2 < 30.) {
        
        if(MATCHEDSC || !scmatch_ ){  //skip selection if user wants to fill all superclusters
          bool inSuperCluster = false;

          if( scmatch_ ){ // only try the matching if needed
            reco::CaloCluster_iterator theEclust = matchedsupercluster->clustersBegin();
            // loop over the basic clusters of the matched supercluster
            for(;theEclust != matchedsupercluster->clustersEnd(); ++theEclust) {
            if ((**theEclust) ==  (*cluster) ) inSuperCluster = true;
            }
          }
          if (!inSuperCluster || !scmatch_ ) {  //skip selection if user wants to fill all superclusters
            newDelta=ROOT::Math::VectorUtil::DeltaR(cluster->position(),position);
            if(newDelta < conesize_) {
              deposit.addDeposit( Direction(cluster->eta(), cluster->phi()), ebc_bcet);
            }
          }
        }
//      } // matches ebc_bcchi2
    } // matches ebc_bcet && ebc_bcalgo

  }
  
  //  std::cout << "Will return ecalIsol = " << ecalIsol << std::endl; 
  return deposit;
  
}

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