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root/cvsroot/UserCode/MitProd/TreeFiller/src/FillerTracks.cc
Revision: 1.39
Committed: Mon May 10 15:14:19 2010 UTC (14 years, 11 months ago) by bendavid
Content type: text/plain
Branch: MAIN
CVS Tags: Mit_014a, Mit_014, Mit_014pre3, Mit_014pre2, Mit_014pre1
Changes since 1.38: +3 -1 lines
Log Message:
Add PtError

File Contents

# User Rev Content
1 bendavid 1.39 // $Id: FillerTracks.cc,v 1.38 2010/03/23 16:52:58 bendavid Exp $
2 loizides 1.1
3 bendavid 1.11 #include "MitProd/TreeFiller/interface/FillerTracks.h"
4 loizides 1.31 #include "DataFormats/RecoCandidate/interface/TrackAssociation.h"
5 bendavid 1.14 #include "DataFormats/TrackReco/interface/HitPattern.h"
6 loizides 1.1 #include "DataFormats/TrackReco/interface/Track.h"
7     #include "DataFormats/TrackReco/interface/TrackFwd.h"
8 bendavid 1.33 #include "DataFormats/GsfTrackReco/interface/GsfTrack.h"
9 loizides 1.1 #include "SimDataFormats/TrackingAnalysis/interface/TrackingParticle.h"
10     #include "SimDataFormats/TrackingAnalysis/interface/TrackingParticleFwd.h"
11 loizides 1.31 #include "MagneticField/Engine/interface/MagneticField.h"
12     #include "MagneticField/Records/interface/IdealMagneticFieldRecord.h"
13 bendavid 1.23 #include "TrackingTools/TrackAssociator/interface/TrackDetectorAssociator.h"
14 bendavid 1.28 #include "TrackingTools/TrajectoryState/interface/TrajectoryStateTransform.h"
15 loizides 1.31 #include "MitAna/DataTree/interface/Names.h"
16     #include "MitAna/DataTree/interface/TrackCol.h"
17     #include "MitProd/ObjectService/interface/ObjectService.h"
18 bendavid 1.26 #include "MitEdm/DataFormats/interface/Types.h"
19 loizides 1.1
20     using namespace std;
21     using namespace edm;
22     using namespace mithep;
23    
24 loizides 1.4 //--------------------------------------------------------------------------------------------------
25 loizides 1.29 FillerTracks::FillerTracks(const ParameterSet &cfg, const char *name, bool active) :
26 loizides 1.7 BaseFiller(cfg,name,active),
27 loizides 1.29 ecalAssocActive_(Conf().getUntrackedParameter<bool>("ecalAssocActive",0)),
28     edmName_(Conf().getUntrackedParameter<string>("edmName","generalTracks")),
29     mitName_(Conf().getUntrackedParameter<string>("mitName",Names::gkTrackBrn)),
30 loizides 1.19 edmSimAssocName_(Conf().getUntrackedParameter<string>("edmSimAssociationName","")),
31 bendavid 1.20 trackingMapName_(Conf().getUntrackedParameter<string>("trackingMapName","TrackingMap")),
32 loizides 1.29 barrelSuperClusterIdMapName_(Conf().getUntrackedParameter<string>
33     ("superClusterIdMapName","barrelSuperClusterIdMap")),
34     endcapSuperClusterIdMapName_(Conf().getUntrackedParameter<string>
35     ("endcapClusterIdMapName","endcapSuperClusterIdMap")),
36 loizides 1.13 trackMapName_(Conf().getUntrackedParameter<string>("trackMapName",
37     Form("%sMapName",mitName_.c_str()))),
38 bendavid 1.17 trackingMap_(0),
39 loizides 1.7 tracks_(new mithep::TrackArr(250)),
40 loizides 1.1 trackMap_(new mithep::TrackMap)
41     {
42 loizides 1.13 // Constructor.
43 bendavid 1.23
44 loizides 1.29 if (ecalAssocActive_) // initialize track associator configuration if needed
45     assocParams_.loadParameters(
46     cfg.getUntrackedParameter<ParameterSet>("TrackAssociatorParameters"));
47 loizides 1.1 }
48    
49 loizides 1.4 //--------------------------------------------------------------------------------------------------
50 loizides 1.1 FillerTracks::~FillerTracks()
51     {
52 loizides 1.13 // Destructor.
53    
54 loizides 1.5 delete tracks_;
55 loizides 1.1 delete trackMap_;
56     }
57    
58 loizides 1.4 //--------------------------------------------------------------------------------------------------
59 bendavid 1.37 void FillerTracks::BookDataBlock(TreeWriter &tws)
60 loizides 1.1 {
61 loizides 1.13 // Add tracks branch to tree, publish and get our objects.
62    
63 loizides 1.29 tws.AddBranch(mitName_,&tracks_);
64     OS()->add<TrackArr>(tracks_,mitName_);
65 loizides 1.12
66 loizides 1.29 if (!trackingMapName_.empty()) {
67     trackingMap_ = OS()->get<TrackingParticleMap>(trackingMapName_);
68     if (trackingMap_)
69     AddBranchDep(mitName_,trackingMap_->GetBrName());
70     }
71 loizides 1.30 if (ecalAssocActive_ && !barrelSuperClusterIdMapName_.empty()) {
72 loizides 1.29 barrelSuperClusterIdMap_ = OS()->get<SuperClusterIdMap>(barrelSuperClusterIdMapName_);
73     if (barrelSuperClusterIdMap_)
74     AddBranchDep(mitName_,barrelSuperClusterIdMap_->GetBrName());
75     }
76 loizides 1.30 if (ecalAssocActive_ && !endcapSuperClusterIdMapName_.empty()) {
77 loizides 1.29 endcapSuperClusterIdMap_ = OS()->get<SuperClusterIdMap>(endcapSuperClusterIdMapName_);
78     if (endcapSuperClusterIdMap_)
79     AddBranchDep(mitName_,endcapSuperClusterIdMap_->GetBrName());
80     }
81     if (!trackMapName_.empty()) {
82     trackMap_->SetBrName(mitName_);
83     OS()->add<TrackMap>(trackMap_,trackMapName_);
84     }
85 loizides 1.1 }
86    
87 loizides 1.4 //--------------------------------------------------------------------------------------------------
88 loizides 1.1 void FillerTracks::FillDataBlock(const edm::Event &event,
89     const edm::EventSetup &setup)
90     {
91 loizides 1.13 // Fill tracks from edm collection into our collection.
92    
93 bendavid 1.27 tracks_ ->Delete();
94 loizides 1.1 trackMap_->Reset();
95 loizides 1.6
96 loizides 1.29 // initialize handle and get product,
97     // this usage allows also to get collections of classes which inherit from reco::Track
98 bendavid 1.24 Handle<View<reco::Track> > hTrackProduct;
99 loizides 1.6 GetProduct(edmName_, hTrackProduct, event);
100 loizides 1.1
101 loizides 1.6 trackMap_->SetEdmProductId(hTrackProduct.id().id());
102 bendavid 1.24 const View<reco::Track> inTracks = *(hTrackProduct.product());
103 loizides 1.1
104 bendavid 1.32 if (verbose_>1)
105     printf("Track Collection: %s, id=%i\n",edmName_.c_str(),hTrackProduct.id().id());
106    
107 paus 1.10 // for MC SimParticle association (reco->sim mappings)
108 loizides 1.1 reco::RecoToSimCollection simAssociation;
109 loizides 1.19 if (trackingMap_ && !edmSimAssocName_.empty()) {
110 loizides 1.1 Handle<reco::RecoToSimCollection> simAssociationProduct;
111 loizides 1.19 GetProduct(edmSimAssocName_, simAssociationProduct, event);
112 loizides 1.1 simAssociation = *(simAssociationProduct.product());
113 loizides 1.29 if (verbose_>1)
114     printf("SimAssociation Map Size = %i\n",simAssociation.size());
115 loizides 1.1 }
116    
117 loizides 1.29 // set up associator for Track-Ecal associations
118 bendavid 1.23 TrackDetectorAssociator trackAssociator;
119     trackAssociator.useDefaultPropagator();
120 bendavid 1.28 edm::ESHandle<MagneticField> bField;
121 bendavid 1.36 if (ecalAssocActive_) {
122 bendavid 1.28 setup.get<IdealMagneticFieldRecord>().get(bField);
123 bendavid 1.36 }
124    
125    
126 paus 1.10 // loop through all tracks and fill the information
127 bendavid 1.24 for (View<reco::Track>::const_iterator it = inTracks.begin();
128     it != inTracks.end(); ++it) {
129    
130 loizides 1.5 mithep::Track *outTrack = tracks_->Allocate();
131 paus 1.10 // create track and set the core parameters
132 loizides 1.19 new (outTrack) mithep::Track(it->qoverp(),it->lambda(),
133     it->phi(),it->dxy(),it->dsz());
134     outTrack->SetErrors(it->qoverpError(),it->lambdaError(),
135     it->phiError(),it->dxyError(),it->dszError());
136 bendavid 1.39
137     outTrack->SetPtErr(it->ptError());
138 loizides 1.1
139 loizides 1.19 // fill track quality information
140 bendavid 1.14 outTrack->SetChi2(it->chi2());
141 loizides 1.16 outTrack->SetNdof(static_cast<Int_t>(it->ndof()));
142 bendavid 1.33
143     //fill algo enum
144     outTrack->SetAlgo(static_cast<mithep::Track::ETrackAlgorithm>(it->algo()));
145    
146 bendavid 1.35 //fill quality bitmask
147     outTrack->Quality().SetQualityMask(BitMask8(UChar_t(it->qualityMask())));
148    
149     if (verbose_>2) {
150     printf("reco::Track high purity = %i, ", it->quality(reco::TrackBase::highPurity));
151     printf("mithep::Track high purity = %i\n",outTrack->Quality().Quality(mithep::TrackQuality::highPurity));
152     }
153    
154 bendavid 1.33 //fill gsf flag, some type gymastics needed...
155     if (typeid(*it)==typeid(reco::GsfTrack))
156     outTrack->SetIsGsf(kTRUE);
157     else
158     outTrack->SetIsGsf(kFALSE);
159 bendavid 1.14
160 bendavid 1.38 //fill hit layer map and missing hits
161 bendavid 1.14 const reco::HitPattern &hits = it->hitPattern();
162 bendavid 1.38 BitMask48 hitLayers;
163     BitMask48 missingHitLayers;
164 bendavid 1.14 for (Int_t i=0; i<hits.numberOfHits(); i++) {
165     uint32_t hit = hits.getHitPattern(i);
166 bendavid 1.38 if (hits.validHitFilter(hit)) {
167     if (hits.trackerHitFilter(hit)) {
168     hitLayers.SetBit(hitReader_.Layer(hit));
169     }
170     }
171    
172     if (hits.getHitType(hit)==1) {
173     if (hits.trackerHitFilter(hit)) {
174     missingHitLayers.SetBit(hitReader_.Layer(hit));
175     }
176     }
177    
178 loizides 1.29 if (verbose_>2) {
179 loizides 1.19 if (hits.muonDTHitFilter(hit))
180     printf("Muon DT Layer = %i\n", hits.getLayer(hit));
181     if (hits.muonCSCHitFilter(hit))
182     printf("Muon CSC Layer = %i\n", hits.getLayer(hit));
183     if (hits.muonRPCHitFilter(hit))
184     printf("Muon RPC Layer = %i\n", hits.getLayer(hit));
185     }
186 bendavid 1.14 }
187 bendavid 1.23
188 bendavid 1.38 outTrack->SetHits(hitLayers);
189     outTrack->SetMissingHits(missingHitLayers);
190    
191     //set expected inner hits
192     const reco::HitPattern &expectedInnerHitPattern = it->trackerExpectedHitsInner();
193     BitMask48 expectedHitsInner;
194     // search for all good crossed layers (with or without hit)
195     for (Int_t hi=0; hi<expectedInnerHitPattern.numberOfHits(); hi++) {
196     uint32_t hit = expectedInnerHitPattern.getHitPattern(hi);
197     if (expectedInnerHitPattern.getHitType(hit)<=1) {
198     if (expectedInnerHitPattern.trackerHitFilter(hit)) {
199     expectedHitsInner.SetBit(hitReader_.Layer(hit));
200     }
201     }
202     }
203    
204     outTrack->SetExpectedHitsInner(expectedHitsInner);
205    
206     //set expected outer hits
207     const reco::HitPattern &expectedOuterHitPattern = it->trackerExpectedHitsOuter();
208     BitMask48 expectedHitsOuter;
209     // search for all good crossed layers (with or without hit)
210     for (Int_t hi=0; hi<expectedOuterHitPattern.numberOfHits(); hi++) {
211     uint32_t hit = expectedOuterHitPattern.getHitPattern(hi);
212     if (expectedOuterHitPattern.getHitType(hit)<=1) {
213     if (expectedOuterHitPattern.trackerHitFilter(hit)) {
214     expectedHitsOuter.SetBit(hitReader_.Layer(hit));
215     }
216     }
217     }
218    
219     outTrack->SetExpectedHitsOuter(expectedHitsOuter);
220    
221 bendavid 1.23 //make ecal associations
222     if (ecalAssocActive_) {
223 bendavid 1.28 TrackDetMatchInfo matchInfo;
224     //Extra check to allow propagation to work in AOD where no TrackExtra is available
225     if (it->extra().isAvailable())
226     matchInfo = trackAssociator.associate(event,setup,*it,assocParams_);
227     else {
228     TrajectoryStateTransform tsTransform;
229     FreeTrajectoryState initialState = tsTransform.initialFreeState(*it,&*bField);
230     matchInfo = trackAssociator.associate(event, setup, assocParams_, &initialState);
231     }
232 bendavid 1.36
233     if (matchInfo.isGoodEcal) {
234     outTrack->SetEtaEcal(matchInfo.trkGlobPosAtEcal.eta());
235     outTrack->SetPhiEcal(matchInfo.trkGlobPosAtEcal.phi());
236     }
237 bendavid 1.23
238     //fill supercluster link
239     if (barrelSuperClusterIdMap_ || endcapSuperClusterIdMap_) {
240     mithep::SuperCluster *cluster = 0;
241 loizides 1.29 for (std::vector<const ::CaloTower*>::const_iterator iTower =
242     matchInfo.crossedTowers.begin();
243     iTower<matchInfo.crossedTowers.end() && !cluster; iTower++) {
244 bendavid 1.23
245     for (uint ihit=0; ihit<(*iTower)->constituentsSize() && !cluster; ihit++) {
246     DetId hit = (*iTower)->constituent(ihit);
247     if (barrelSuperClusterIdMap_ && barrelSuperClusterIdMap_->HasMit(hit))
248     cluster = barrelSuperClusterIdMap_->GetMit(hit);
249     else if (endcapSuperClusterIdMap_ && endcapSuperClusterIdMap_->HasMit(hit))
250     cluster = endcapSuperClusterIdMap_->GetMit(hit);
251     }
252     }
253     if (cluster)
254     outTrack->SetSCluster(cluster);
255     }
256     }
257 bendavid 1.14
258 loizides 1.1 // add reference between mithep and edm object
259 loizides 1.30 if (trackMap_) {
260     mitedm::TrackPtr thePtr = inTracks.ptrAt(it - inTracks.begin());
261     trackMap_->Add(thePtr, outTrack);
262     }
263    
264 bendavid 1.35 //do sim associations
265 loizides 1.19 if (trackingMap_ && !edmSimAssocName_.empty()) {
266 loizides 1.29 if (verbose_>1)
267     printf("Trying Track-Sim association\n");
268 bendavid 1.24 reco::TrackBaseRef theBaseRef = inTracks.refAt(it - inTracks.begin());
269 loizides 1.1 vector<pair<TrackingParticleRef, double> > simRefs;
270 paus 1.10 Bool_t noSimParticle = 0;
271 loizides 1.1 try {
272     simRefs = simAssociation[theBaseRef]; //try to get the sim references if existing
273     }
274 loizides 1.5 catch (edm::Exception &ex) {
275 paus 1.10 noSimParticle = 1;
276 loizides 1.1 }
277 paus 1.10
278 loizides 1.1 if (!noSimParticle) { //loop through sim match candidates
279 loizides 1.29 if (verbose_>1)
280     printf("Applying track-sim association\n");
281 loizides 1.1 for (vector<pair<TrackingParticleRef, double> >::const_iterator simRefPair=simRefs.begin();
282     simRefPair != simRefs.end(); ++simRefPair)
283 paus 1.10 if (simRefPair->second > 0.5) // require more than 50% shared hits between reco and sim
284 bendavid 1.17 outTrack->SetMCPart(trackingMap_->GetMit(simRefPair->first)); //add reco->sim reference
285 loizides 1.1 }
286     }
287     }
288     tracks_->Trim();
289     }