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// $Id: FillerElectrons.cc,v 1.22 2008/11/12 18:56:25 peveraer Exp $
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#include "MitProd/TreeFiller/interface/FillerElectrons.h"
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#include "FWCore/MessageLogger/interface/MessageLogger.h"
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#include "DataFormats/Common/interface/Handle.h"
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#include "DataFormats/TrackReco/interface/Track.h"
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#include "DataFormats/GsfTrackReco/interface/GsfTrack.h"
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#include "DataFormats/TrackReco/interface/TrackFwd.h"
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#include "DataFormats/EgammaCandidates/interface/GsfElectron.h"
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#include "DataFormats/EgammaCandidates/interface/GsfElectronFwd.h"
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#include "DataFormats/EgammaReco/interface/ClusterShape.h"
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#include "DataFormats/EgammaReco/interface/BasicClusterShapeAssociation.h"
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#include "DataFormats/Common/interface/RefToPtr.h"
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#include "RecoEgamma/EgammaIsolationAlgos/interface/ElectronTkIsolation.h"
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#include "RecoEgamma/EgammaIsolationAlgos/interface/EgammaEcalIsolation.h"
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#include "RecoEgamma/EgammaIsolationAlgos/interface/EgammaTowerIsolation.h"
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#include "MitEdm/Producers/interface/RefToBaseToPtr.h"
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#include "MitAna/DataTree/interface/Track.h"
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#include "MitAna/DataTree/interface/Names.h"
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#include "RecoEcal/EgammaCoreTools/interface/EcalClusterLazyTools.h"
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#include "AnalysisDataFormats/Egamma/interface/ElectronID.h"
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#include "AnalysisDataFormats/Egamma/interface/ElectronIDAssociation.h"
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#include "DataFormats/Common/interface/ValueMap.h"
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using namespace std;
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using namespace edm;
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using namespace mithep;
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//--------------------------------------------------------------------------------------------------
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FillerElectrons::FillerElectrons(const edm::ParameterSet &cfg, bool active) :
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BaseFiller(cfg,"Electrons",active),
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edmName_(Conf().getUntrackedParameter<string>("edmName","pixelMatchGsfElectrons")),
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mitName_(Conf().getUntrackedParameter<string>("mitName",Names::gkElectronBrn)),
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gsfTrackMapName_(Conf().getUntrackedParameter<string>("gsfTrackMapName","")),
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trackerTrackMapName_(Conf().getUntrackedParameter<string>("trackerTrackMapName","")),
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barrelEcalRecHitName_(Conf().getUntrackedParameter<string>("barrelEcalRecHitName","")),
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endcapEcalRecHitName_(Conf().getUntrackedParameter<string>("endcapEcalRecHitName","")),
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barrelSuperClusterName_(Conf().getUntrackedParameter<string>("barrelSuperClusterName", "")),
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endcapSuperClusterName_(Conf().getUntrackedParameter<string>("endcapSuperClusterName", "")),
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barrelBasicClusterName_(Conf().getUntrackedParameter<string>("barrelBasicClusterName", "")),
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endcapBasicClusterName_(Conf().getUntrackedParameter<string>("endcapBasicClusterName", "")),
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barrelSuperClusterMapName_(Conf().getUntrackedParameter<string>("barrelSuperClusterMapName","")),
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endcapSuperClusterMapName_(Conf().getUntrackedParameter<string>("endcapSuperClusterMapName","")),
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eIDCutBasedTightName_(Conf().getUntrackedParameter<string>("eIDCutBasedTightName","eidTight")),
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eIDCutBasedLooseName_(Conf().getUntrackedParameter<string>("eIDCutBasedLooseName","eidLoose")),
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eIDLikelihoodName_(Conf().getUntrackedParameter<string>("eIDLikelihood","eidLikelihood")),
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eIDNeuralNetName_(Conf().getUntrackedParameter<string>("eIDNeuralNet","eidNeuralNet")),
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isoTrackColName_(Conf().getUntrackedParameter<string>
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("IsolationTrackCollectionName","generalTracks")),
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isoCaloTowerColName_(Conf().getUntrackedParameter<string>
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("IsolationCaloTowerCollectionName","towerMaker")),
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ecalJurassicIsoName_(Conf().getUntrackedParameter<string>
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("EcalJurassicIsolationName","eleIsoFromDepsEcalFromHits")),
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hcalJurassicIsoName_(Conf().getUntrackedParameter<string>
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("HcalJurassicIsolationName","eleIsoFromDepsHcalFromHits")),
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trackerIsoName_(Conf().getUntrackedParameter<string>
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("TrackerIsolationName","eleIsoFromDepsTk")),
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gsfTrackAssocName_(Conf().getUntrackedParameter<string>("gsfTrackAssocName","")),
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electrons_(new mithep::ElectronArr(16)),
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gsfTrackMap_(0),
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trackerTrackMap_(0),
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barrelSuperClusterMap_(0),
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endcapSuperClusterMap_(0)
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{
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// Constructor.
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}
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//--------------------------------------------------------------------------------------------------
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FillerElectrons::~FillerElectrons()
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{
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// Destructor.
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delete electrons_;
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}
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//--------------------------------------------------------------------------------------------------
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void FillerElectrons::BookDataBlock(TreeWriter &tws)
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{
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// Add electron branch to our tree and get our maps.
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tws.AddBranch(mitName_.c_str(),&electrons_);
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if (!gsfTrackMapName_.empty())
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gsfTrackMap_ = OS()->get<TrackMap>(gsfTrackMapName_.c_str());
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if (!trackerTrackMapName_.empty())
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trackerTrackMap_ = OS()->get<TrackMap>(trackerTrackMapName_.c_str());
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if (!barrelSuperClusterMapName_.empty())
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barrelSuperClusterMap_ = OS()->get<SuperClusterMap>(barrelSuperClusterMapName_.c_str());
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if (!endcapSuperClusterMapName_.empty())
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endcapSuperClusterMap_ = OS()->get<SuperClusterMap>(endcapSuperClusterMapName_.c_str());
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}
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//--------------------------------------------------------------------------------------------------
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void FillerElectrons::FillDataBlock(const edm::Event &event, const edm::EventSetup &setup)
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{
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// Fill electrons from edm collection into our collection.
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electrons_->Reset();
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Handle<reco::GsfElectronCollection> hElectronProduct;
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GetProduct(edmName_, hElectronProduct, event);
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//Handles to get the electron ID information
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Handle<edm::ValueMap<float> > eidLooseMap;
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GetProduct(eIDCutBasedLooseName_, eidLooseMap, event);
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Handle<edm::ValueMap<float> > eidTightMap;
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GetProduct(eIDCutBasedTightName_, eidTightMap, event);
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Handle<edm::ValueMap<float> > eidLikelihoodMap;
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GetProduct(eIDLikelihoodName_, eidLikelihoodMap, event);
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//get gsf track association map if needed
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mitedm::TrackAssociation gsfAssociation;
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if (trackerTrackMap_ && !gsfTrackAssocName_.empty()) {
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Handle<mitedm::TrackAssociation> gsfAssociationProduct;
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GetProduct(gsfTrackAssocName_, gsfAssociationProduct, event);
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gsfAssociation = *(gsfAssociationProduct.product());
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}
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const reco::GsfElectronCollection inElectrons = *(hElectronProduct.product());
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//loop over electrons
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for (reco::GsfElectronCollection::const_iterator iM = inElectrons.begin();
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iM != inElectrons.end(); ++iM) {
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//the index and Ref are needed for the eID association Map
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unsigned int iElectron = iM - inElectrons.begin();
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reco::GsfElectronRef eRef(hElectronProduct, iElectron);
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mithep::Electron *outElectron = electrons_->AddNew();
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outElectron->SetESuperClusterOverP( iM->eSuperClusterOverP() ) ;
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outElectron->SetESeedClusterOverPout( iM->eSeedClusterOverPout() ) ;
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outElectron->SetPIn( iM->trackMomentumAtVtx().R() ) ;
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outElectron->SetPOut( iM->trackMomentumOut().R() );
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outElectron->SetDeltaEtaSuperClusterTrackAtVtx( iM->deltaEtaSuperClusterTrackAtVtx() ) ;
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outElectron->SetDeltaEtaSeedClusterTrackAtCalo( iM->deltaEtaSeedClusterTrackAtCalo() ) ;
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outElectron->SetDeltaPhiSuperClusterTrackAtVtx( iM->deltaPhiSuperClusterTrackAtVtx() ) ;
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outElectron->SetDeltaPhiSeedClusterTrackAtCalo( iM->deltaPhiSeedClusterTrackAtCalo() ) ;
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outElectron->SetHadronicOverEm( iM->hadronicOverEm() ) ;
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outElectron->SetIsEnergyScaleCorrected( iM->isEnergyScaleCorrected() ) ;
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outElectron->SetIsMomentumCorrected( iM->isMomentumCorrected() ) ;
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outElectron->SetNumberOfClusters( iM->numberOfClusters() ) ;
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outElectron->SetClassification( iM->classification() ) ;
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//shower shape variables
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EcalClusterLazyTools lazyTools(event, setup, edm::InputTag(barrelEcalRecHitName_),
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edm::InputTag(endcapEcalRecHitName_));
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outElectron->SetE33(lazyTools.e3x3(*(iM->superCluster()->seed())));
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outElectron->SetE55(lazyTools.e5x5(*(iM->superCluster()->seed())));
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std::vector<float> vCov = lazyTools.covariances(*(iM->superCluster()->seed()));
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outElectron->SetCovEtaEta(vCov[0]);
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outElectron->SetCovEtaPhi(vCov[1]);
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outElectron->SetCovPhiPhi(vCov[2]);
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std::vector<float> vCov2 = lazyTools.localCovariances(*(iM->superCluster()->seed()));
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outElectron->SetCoviEtaiEta(vCov2[0]);
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//compute isolations
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//get the barrel BasicClusters
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edm::Handle<reco::BasicClusterCollection> barrelBasicClusterHandle;
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GetProduct(barrelBasicClusterName_, barrelBasicClusterHandle, event);
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const reco::BasicClusterCollection* barrelBasicClusters = barrelBasicClusterHandle.product();
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//get the endcap BasicClusters
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edm::Handle<reco::BasicClusterCollection> endcapBasicClusterHandle;
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GetProduct(endcapBasicClusterName_, endcapBasicClusterHandle, event);
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const reco::BasicClusterCollection* endcapBasicClusters = endcapBasicClusterHandle.product();
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//get the barrel SuperClusters
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edm::Handle<reco::SuperClusterCollection> barrelSuperClusterHandle;
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GetProduct(barrelSuperClusterName_, barrelSuperClusterHandle, event);
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const reco::SuperClusterCollection* barrelSuperClusters = barrelSuperClusterHandle.product();
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//Get the endcap SuperClusters
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edm::Handle<reco::SuperClusterCollection> endcapSuperClusterHandle;
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GetProduct(endcapSuperClusterName_, endcapSuperClusterHandle, event);
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const reco::SuperClusterCollection* endcapSuperClusters = endcapSuperClusterHandle.product();
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//find out whether this electron super cluster is in the barrel or endcap
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bool isBarrel=false ;
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if(barrelSuperClusterMap_->HasMit(iM->superCluster()))
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isBarrel = true;
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//compute ECAL isolation
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double extRadius = 0.3;
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double etLow = 0.0;
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double ecalIsoValue = 0.0;
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if (!isBarrel) {
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EgammaEcalIsolation myEcalIsolation(extRadius,etLow,endcapBasicClusters,endcapSuperClusters);
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ecalIsoValue = myEcalIsolation.getEcalEtSum(&(*iM));
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} else {
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EgammaEcalIsolation myEcalIsolation(extRadius,etLow,barrelBasicClusters,barrelSuperClusters);
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ecalIsoValue = myEcalIsolation.getEcalEtSum(&(*iM));
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}
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//compute CaloTower isolation
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edm::Handle<CaloTowerCollection> caloTowers;
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GetProduct(isoCaloTowerColName_, caloTowers, event);
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extRadius = 0.3;
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etLow = 0.0;
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double intRadius = 0.02;
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int hcalDepth = -1; //-1 means we take all depths.
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EgammaTowerIsolation *myTowerIsolation =
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new EgammaTowerIsolation (extRadius, intRadius, etLow, hcalDepth, caloTowers.product());
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double towerIsoValue = myTowerIsolation->getTowerEtSum(&(*iM));
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outElectron->SetCaloTowerIsolation( towerIsoValue );
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//fill the isolation values
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outElectron->SetCaloIsolation( ecalIsoValue ) ;
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//get and fill Track isolation
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Handle<edm::ValueMap<double> > eleIsoFromDepsTkValueMap;
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GetProduct(trackerIsoName_, eleIsoFromDepsTkValueMap, event);
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outElectron->SetTrackIsolation((*eleIsoFromDepsTkValueMap)[eRef]);
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//get and fill Jurassic isolation values
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Handle<edm::ValueMap<double> > eleIsoFromDepsEcalFromHitsValueMap;
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GetProduct(ecalJurassicIsoName_, eleIsoFromDepsEcalFromHitsValueMap, event);
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Handle<edm::ValueMap<double> > eleIsoFromDepsHcalFromHitsValueMap;
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GetProduct(hcalJurassicIsoName_, eleIsoFromDepsHcalFromHitsValueMap, event);
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outElectron->SetEcalJurassicIsolation((*eleIsoFromDepsEcalFromHitsValueMap)[eRef]);
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outElectron->SetHcalJurassicIsolation((*eleIsoFromDepsHcalFromHitsValueMap)[eRef]);
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//make proper links to Tracks and Super Clusters
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if (gsfTrackMap_ && iM->gsfTrack().isNonnull())
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outElectron->SetGsfTrk(gsfTrackMap_->GetMit(refToPtr(iM->gsfTrack())));
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//make tracker track links, relinking from gsf track associations if configured and
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//link is otherwise absent
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if (trackerTrackMap_) {
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if (iM->track().isNonnull())
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outElectron->SetTrackerTrk(trackerTrackMap_->GetMit(refToPtr(iM->track())));
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else if (!gsfTrackAssocName_.empty() && iM->gsfTrack().isNonnull()) {
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reco::TrackBaseRef gsfRef(iM->gsfTrack());
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std::vector<std::pair<reco::TrackBaseRef, double> > matchedTracks;
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try {
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matchedTracks = gsfAssociation[gsfRef];
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}
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catch (edm::Exception &ex) {
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}
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//take the best match, but only if more than 50% of the hits came from the original
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//gsf track
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reco::TrackBaseRef trackerRef;
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double rMax = 0.0;
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for (uint imatch=0; imatch<matchedTracks.size(); ++imatch) {
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std::pair<reco::TrackBaseRef, double> &match = matchedTracks.at(imatch);
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double r = match.second;
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if ( r>rMax && r>0.5 ) {
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rMax = r;
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trackerRef = match.first;
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}
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}
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if (trackerRef.isNonnull())
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outElectron->SetTrackerTrk(trackerTrackMap_->GetMit(mitedm::refToBaseToPtr(trackerRef)));
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}
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}
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if (barrelSuperClusterMap_ && endcapSuperClusterMap_ && iM->superCluster().isNonnull())
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if(isBarrel) {
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outElectron->SetSuperCluster(barrelSuperClusterMap_->GetMit(iM->superCluster()));
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} else {
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outElectron->SetSuperCluster(endcapSuperClusterMap_->GetMit(iM->superCluster()));
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}
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//fill Electron ID information
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outElectron->SetPassLooseID((*eidLooseMap)[eRef]);
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outElectron->SetPassTightID((*eidTightMap)[eRef]);
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outElectron->SetIDLikelihood((*eidLikelihoodMap)[eRef]);
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}
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electrons_->Trim();
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}
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