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root/cvsroot/UserCode/MitProd/TreeFiller/src/FillerElectrons.cc
Revision: 1.16
Committed: Wed Sep 10 03:30:23 2008 UTC (16 years, 7 months ago) by loizides
Content type: text/plain
Branch: MAIN
CVS Tags: Mit_005, Mit_004
Changes since 1.15: +38 -43 lines
Log Message:
Cleanup

File Contents

# User Rev Content
1 loizides 1.16 // $Id: FillerElectrons.cc,v 1.15 2008/09/09 12:50:44 sixie Exp $
2 loizides 1.1
3     #include "MitProd/TreeFiller/interface/FillerElectrons.h"
4     #include "FWCore/MessageLogger/interface/MessageLogger.h"
5     #include "DataFormats/Common/interface/Handle.h"
6     #include "DataFormats/TrackReco/interface/Track.h"
7     #include "DataFormats/GsfTrackReco/interface/GsfTrack.h"
8     #include "DataFormats/TrackReco/interface/TrackFwd.h"
9 sixie 1.11 #include "DataFormats/EgammaCandidates/interface/GsfElectron.h"
10     #include "DataFormats/EgammaCandidates/interface/GsfElectronFwd.h"
11     #include "DataFormats/EgammaReco/interface/ClusterShape.h"
12     #include "DataFormats/EgammaReco/interface/BasicClusterShapeAssociation.h"
13     #include "RecoEgamma/EgammaIsolationAlgos/interface/ElectronTkIsolation.h"
14     #include "RecoEgamma/EgammaIsolationAlgos/interface/EgammaEcalIsolation.h"
15 sixie 1.14 #include "RecoEgamma/EgammaIsolationAlgos/interface/EgammaTowerIsolation.h"
16 loizides 1.1 #include "MitAna/DataTree/interface/Track.h"
17     #include "MitAna/DataTree/interface/Names.h"
18 sixie 1.12 #include "RecoEcal/EgammaCoreTools/interface/EcalClusterLazyTools.h"
19     #include "AnalysisDataFormats/Egamma/interface/ElectronID.h"
20     #include "AnalysisDataFormats/Egamma/interface/ElectronIDAssociation.h"
21 loizides 1.1
22 sixie 1.13 #include "DataFormats/Common/interface/ValueMap.h"
23    
24 loizides 1.1 using namespace std;
25     using namespace edm;
26     using namespace mithep;
27    
28 loizides 1.5 //--------------------------------------------------------------------------------------------------
29 loizides 1.10 FillerElectrons::FillerElectrons(const edm::ParameterSet &cfg, bool active) :
30 loizides 1.8 BaseFiller(cfg,"Electrons",active),
31 loizides 1.1 edmName_(Conf().getUntrackedParameter<string>("edmName","pixelMatchGsfElectrons")),
32     mitName_(Conf().getUntrackedParameter<string>("mitName",Names::gkElectronBrn)),
33 loizides 1.10 gsfTrackMapName_(Conf().getUntrackedParameter<string>("gsfTrackMapName","")),
34     trackerTrackMapName_(Conf().getUntrackedParameter<string>("trackerTrackMapName","")),
35 sixie 1.12 barrelEcalRecHitName_(Conf().getUntrackedParameter<string>("barrelEcalRecHitName","")),
36     endcapEcalRecHitName_(Conf().getUntrackedParameter<string>("endcapEcalRecHitName","")),
37     barrelSuperClusterName_(Conf().getUntrackedParameter<string>("barrelSuperClusterName", "")),
38     endcapSuperClusterName_(Conf().getUntrackedParameter<string>("endcapSuperClusterName", "")),
39     barrelBasicClusterName_(Conf().getUntrackedParameter<string>("barrelBasicClusterName", "")),
40     endcapBasicClusterName_(Conf().getUntrackedParameter<string>("endcapBasicClusterName", "")),
41     barrelSuperClusterMapName_(Conf().getUntrackedParameter<string>("barrelSuperClusterMapName","")),
42     endcapSuperClusterMapName_(Conf().getUntrackedParameter<string>("endcapSuperClusterMapName","")),
43 loizides 1.16 eIDCutBasedTightName_(Conf().getUntrackedParameter<string>("eIDCutBasedTightName","eidTight")),
44 sixie 1.13 eIDCutBasedLooseName_(Conf().getUntrackedParameter<string>("eIDCutBasedLooseName","eidLoose")),
45 sixie 1.12 eIDLikelihoodName_(Conf().getUntrackedParameter<string>("eIDLikelihood","eidLikelihood")),
46     eIDNeuralNetName_(Conf().getUntrackedParameter<string>("eIDNeuralNet","eidNeuralNet")),
47 loizides 1.16 isoTrackColName_(Conf().getUntrackedParameter<string>
48     ("IsolationTrackCollectionName","generalTracks")),
49     isoCaloTowerColName_(Conf().getUntrackedParameter<string>
50     ("IsolationCaloTowerCollectionName","towerMaker")),
51     ecalJurassicIsoName_(Conf().getUntrackedParameter<string>
52     ("EcalJurassicIsolationName","eleIsoFromDepsEcalFromHits")),
53     hcalJurassicIsoName_(Conf().getUntrackedParameter<string>
54     ("HcalJurassicIsolationName","eleIsoFromDepsHcalFromHits")),
55 loizides 1.8 electrons_(new mithep::ElectronArr(16)),
56 loizides 1.10 gsfTrackMap_(0),
57 sixie 1.11 trackerTrackMap_(0),
58 sixie 1.12 barrelSuperClusterMap_(0),
59     endcapSuperClusterMap_(0)
60 loizides 1.1 {
61     // Constructor.
62     }
63    
64 loizides 1.5 //--------------------------------------------------------------------------------------------------
65 loizides 1.1 FillerElectrons::~FillerElectrons()
66     {
67     // Destructor.
68 loizides 1.6
69     delete electrons_;
70 loizides 1.1 }
71    
72 loizides 1.5 //--------------------------------------------------------------------------------------------------
73 loizides 1.1 void FillerElectrons::BookDataBlock(TreeWriter &tws)
74     {
75 loizides 1.10 // Add electron branch to our tree and get our maps.
76 loizides 1.1
77     tws.AddBranch(mitName_.c_str(),&electrons_);
78 loizides 1.10
79     if (!gsfTrackMapName_.empty())
80     gsfTrackMap_ = OS()->get<GsfTrackMap>(gsfTrackMapName_.c_str());
81     if (!trackerTrackMapName_.empty())
82 sixie 1.11 trackerTrackMap_ = OS()->get<TrackMap>(trackerTrackMapName_.c_str());
83 sixie 1.12 if (!barrelSuperClusterMapName_.empty())
84     barrelSuperClusterMap_ = OS()->get<SuperClusterMap>(barrelSuperClusterMapName_.c_str());
85     if (!endcapSuperClusterMapName_.empty())
86     endcapSuperClusterMap_ = OS()->get<SuperClusterMap>(endcapSuperClusterMapName_.c_str());
87 loizides 1.1 }
88    
89 loizides 1.5 //--------------------------------------------------------------------------------------------------
90 sixie 1.11 void FillerElectrons::FillDataBlock(const edm::Event &event, const edm::EventSetup &setup)
91 loizides 1.1 {
92     // Fill electrons from edm collection into our collection.
93    
94     electrons_->Reset();
95    
96 sixie 1.11 Handle<reco::GsfElectronCollection> hElectronProduct;
97 loizides 1.7 GetProduct(edmName_, hElectronProduct, event);
98 loizides 1.1
99 sixie 1.13 //Handles to get the electron ID information
100     Handle<edm::ValueMap<float> > eidLooseMap;
101     GetProduct(eIDCutBasedLooseName_, eidLooseMap, event);
102     Handle<edm::ValueMap<float> > eidTightMap;
103     GetProduct(eIDCutBasedTightName_, eidTightMap, event);
104     Handle<edm::ValueMap<float> > eidLikelihoodMap;
105     GetProduct(eIDLikelihoodName_, eidLikelihoodMap, event);
106    
107 sixie 1.11 const reco::GsfElectronCollection inElectrons = *(hElectronProduct.product());
108     //loop over electrons
109 sixie 1.13
110 sixie 1.11 for (reco::GsfElectronCollection::const_iterator iM = inElectrons.begin();
111 loizides 1.1 iM != inElectrons.end(); ++iM) {
112 sixie 1.13
113     //the index and Ref are needed for the eID association Map
114     unsigned int iElectron = iM - inElectrons.begin();
115     reco::GsfElectronRef eRef(hElectronProduct, iElectron);
116    
117 loizides 1.8 mithep::Electron *outElectron = electrons_->AddNew();
118 sixie 1.12
119 sixie 1.11 outElectron->SetESuperClusterOverP( iM->eSuperClusterOverP() ) ;
120     outElectron->SetESeedClusterOverPout( iM->eSeedClusterOverPout() ) ;
121 sixie 1.13 outElectron->SetPIn( iM->trackMomentumAtVtx().R() ) ;
122     outElectron->SetPOut( iM->trackMomentumOut().R() );
123 sixie 1.11 outElectron->SetDeltaEtaSuperClusterTrackAtVtx( iM->deltaEtaSuperClusterTrackAtVtx() ) ;
124     outElectron->SetDeltaEtaSeedClusterTrackAtCalo( iM->deltaEtaSeedClusterTrackAtCalo() ) ;
125     outElectron->SetDeltaPhiSuperClusterTrackAtVtx( iM->deltaPhiSuperClusterTrackAtVtx() ) ;
126     outElectron->SetDeltaPhiSeedClusterTrackAtCalo( iM->deltaPhiSeedClusterTrackAtCalo() ) ;
127     outElectron->SetHadronicOverEm( iM->hadronicOverEm() ) ;
128     outElectron->SetIsEnergyScaleCorrected( iM->isEnergyScaleCorrected() ) ;
129     outElectron->SetIsMomentumCorrected( iM->isMomentumCorrected() ) ;
130     outElectron->SetNumberOfClusters( iM->numberOfClusters() ) ;
131     outElectron->SetClassification( iM->classification() ) ;
132    
133 loizides 1.16 //shower shape variables
134     EcalClusterLazyTools lazyTools(event, setup, edm::InputTag(barrelEcalRecHitName_),
135     edm::InputTag(endcapEcalRecHitName_));
136     outElectron->SetE33(lazyTools.e3x3(*(iM->superCluster()->seed())));
137     outElectron->SetE55(lazyTools.e5x5(*(iM->superCluster()->seed())));
138     std::vector<float> vCov = lazyTools.covariances(*(iM->superCluster()->seed()));
139 sixie 1.12 outElectron->SetCovEtaEta(vCov[0]);
140     outElectron->SetCovEtaPhi(vCov[1]);
141     outElectron->SetCovPhiPhi(vCov[2]);
142    
143 loizides 1.16 //compute isolations
144     //get the barrel BasicClusters
145 sixie 1.12 edm::Handle<reco::BasicClusterCollection> barrelBasicClusterHandle;
146     GetProduct(barrelBasicClusterName_, barrelBasicClusterHandle, event);
147 sixie 1.11 const reco::BasicClusterCollection* barrelBasicClusters = barrelBasicClusterHandle.product();
148    
149 loizides 1.16 //get the endcap BasicClusters
150 sixie 1.11 edm::Handle<reco::BasicClusterCollection> endcapBasicClusterHandle;
151 sixie 1.12 GetProduct(endcapBasicClusterName_, endcapBasicClusterHandle, event);
152 sixie 1.11 const reco::BasicClusterCollection* endcapBasicClusters = endcapBasicClusterHandle.product();
153    
154 loizides 1.16 //get the barrel SuperClusters
155 sixie 1.12 edm::Handle<reco::SuperClusterCollection> barrelSuperClusterHandle;
156     GetProduct(barrelSuperClusterName_, barrelSuperClusterHandle, event);
157     const reco::SuperClusterCollection* barrelSuperClusters = barrelSuperClusterHandle.product();
158    
159 loizides 1.16 //Get the endcap SuperClusters
160 sixie 1.12 edm::Handle<reco::SuperClusterCollection> endcapSuperClusterHandle;
161     GetProduct(endcapSuperClusterName_, endcapSuperClusterHandle, event);
162     const reco::SuperClusterCollection* endcapSuperClusters = endcapSuperClusterHandle.product();
163    
164     //find out whether this electron super cluster is in the barrel or endcap
165     bool isBarrel=false ;
166     if(barrelSuperClusterMap_->HasMit(iM->superCluster()))
167     isBarrel = true;
168    
169 sixie 1.11 //compute ECAL isolation
170     double extRadius = 0.3;
171     double etLow = 0.0;
172 loizides 1.16 EgammaEcalIsolation *myEcalIsolation = 0;
173 sixie 1.12 if (!isBarrel) {
174     myEcalIsolation =
175     new EgammaEcalIsolation(extRadius,etLow,endcapBasicClusters,endcapSuperClusters);
176 loizides 1.16 } else {
177     myEcalIsolation =
178     new EgammaEcalIsolation(extRadius,etLow,barrelBasicClusters,barrelSuperClusters);
179 sixie 1.12 }
180 loizides 1.16
181 sixie 1.12 double ecalIsoValue = myEcalIsolation->getEcalEtSum(&(*iM));
182    
183 loizides 1.16 //compute CaloTower isolation
184 sixie 1.14 edm::Handle<CaloTowerCollection> caloTowers;
185 loizides 1.16 GetProduct(isoCaloTowerColName_, caloTowers, event);
186 sixie 1.14 extRadius = 0.3;
187 loizides 1.16 etLow = 0.0;
188 sixie 1.14 double intRadius = 0.02;
189     EgammaTowerIsolation *myTowerIsolation =
190     new EgammaTowerIsolation (extRadius, intRadius, etLow, caloTowers.product());
191     double towerIsoValue = myTowerIsolation->getTowerEtSum(&(*iM));
192     outElectron->SetCaloTowerIsolation( towerIsoValue );
193    
194 loizides 1.16 //compute Track isolation
195 sixie 1.11 edm::Handle<reco::TrackCollection> tracks;
196 loizides 1.16 event.getByLabel(isoTrackColName_,tracks);
197 sixie 1.11 const reco::TrackCollection* trackCollection = tracks.product();
198     extRadius = 0.2;
199 sixie 1.14 intRadius = 0.02;
200 sixie 1.11 double maxVtxDist = 0.1;
201     double ptMin = 1.5;
202 loizides 1.16 ElectronTkIsolation myTkIsolation (extRadius,intRadius,ptMin,maxVtxDist,trackCollection);
203 sixie 1.11 double trackIsoValue = myTkIsolation.getPtTracks(&(*iM));
204    
205 loizides 1.16 //fill the isolation values
206 sixie 1.11 outElectron->SetCaloIsolation( ecalIsoValue ) ;
207     outElectron->SetTrackIsolation( trackIsoValue ) ;
208    
209 loizides 1.16 //get and fill Jurassic isolation values
210 sixie 1.15 Handle<edm::ValueMap<double> > eleIsoFromDepsEcalFromHitsValueMap;
211 loizides 1.16 GetProduct(ecalJurassicIsoName_, eleIsoFromDepsEcalFromHitsValueMap, event);
212 sixie 1.15 Handle<edm::ValueMap<double> > eleIsoFromDepsHcalFromHitsValueMap;
213 loizides 1.16 GetProduct(hcalJurassicIsoName_, eleIsoFromDepsHcalFromHitsValueMap, event);
214 sixie 1.15
215     outElectron->SetEcalJurassicIsolation((*eleIsoFromDepsEcalFromHitsValueMap)[eRef]);
216     outElectron->SetHcalJurassicIsolation((*eleIsoFromDepsHcalFromHitsValueMap)[eRef]);
217    
218 loizides 1.16 //make proper links to Tracks and Super Clusters
219 loizides 1.1 if (gsfTrackMap_ && iM->gsfTrack().isNonnull())
220 loizides 1.9 outElectron->SetGsfTrk(gsfTrackMap_->GetMit(iM->gsfTrack()));
221 loizides 1.1 if (trackerTrackMap_ && iM->track().isNonnull())
222 loizides 1.9 outElectron->SetTrackerTrk(trackerTrackMap_->GetMit(iM->track()));
223 sixie 1.12 if (barrelSuperClusterMap_ && endcapSuperClusterMap_ && iM->superCluster().isNonnull())
224     if(isBarrel) {
225     outElectron->SetSuperCluster(barrelSuperClusterMap_->GetMit(iM->superCluster()));
226     } else {
227     outElectron->SetSuperCluster(endcapSuperClusterMap_->GetMit(iM->superCluster()));
228     }
229 sixie 1.13
230 loizides 1.16 //fill Electron ID information
231 sixie 1.13 outElectron->SetPassLooseID((*eidLooseMap)[eRef]);
232     outElectron->SetPassTightID((*eidTightMap)[eRef]);
233     outElectron->SetIDLikelihood((*eidLikelihoodMap)[eRef]);
234 sixie 1.12 }
235 loizides 1.1 electrons_->Trim();
236     }