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root/cvsroot/UserCode/MitProd/TreeFiller/src/FillerTracks.cc
Revision: 1.43
Committed: Fri Mar 30 01:08:41 2012 UTC (13 years, 1 month ago) by paus
Content type: text/plain
Branch: MAIN
CVS Tags: Mit_032, Mit_031, Mit_030, Mit_029c, Mit_029b, Mit_030_pre1, Mit_029a, Mit_029, Mit_029_pre1, Mit_028a, Mit_028, Mit_027a, Mit_027, Mit_026, HEAD
Changes since 1.42: +2 -3 lines
Log Message:
Initial 5 version.

File Contents

# User Rev Content
1 paus 1.43 // $Id: FillerTracks.cc,v 1.42 2011/09/28 16:50:07 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 bendavid 1.42 //printf("edmName = %s, product id = %i\n",edmName_.c_str(),hTrackProduct.id().id());
102    
103 loizides 1.6 trackMap_->SetEdmProductId(hTrackProduct.id().id());
104 bendavid 1.24 const View<reco::Track> inTracks = *(hTrackProduct.product());
105 loizides 1.1
106 bendavid 1.32 if (verbose_>1)
107     printf("Track Collection: %s, id=%i\n",edmName_.c_str(),hTrackProduct.id().id());
108    
109 paus 1.10 // for MC SimParticle association (reco->sim mappings)
110 loizides 1.1 reco::RecoToSimCollection simAssociation;
111 loizides 1.19 if (trackingMap_ && !edmSimAssocName_.empty()) {
112 loizides 1.1 Handle<reco::RecoToSimCollection> simAssociationProduct;
113 loizides 1.19 GetProduct(edmSimAssocName_, simAssociationProduct, event);
114 loizides 1.1 simAssociation = *(simAssociationProduct.product());
115 loizides 1.29 if (verbose_>1)
116 bendavid 1.41 printf("SimAssociation Map Size = %i\n",(int)simAssociation.size());
117 loizides 1.1 }
118    
119 loizides 1.29 // set up associator for Track-Ecal associations
120 bendavid 1.23 TrackDetectorAssociator trackAssociator;
121     trackAssociator.useDefaultPropagator();
122 bendavid 1.28 edm::ESHandle<MagneticField> bField;
123 bendavid 1.36 if (ecalAssocActive_) {
124 bendavid 1.28 setup.get<IdealMagneticFieldRecord>().get(bField);
125 bendavid 1.36 }
126    
127    
128 paus 1.10 // loop through all tracks and fill the information
129 bendavid 1.24 for (View<reco::Track>::const_iterator it = inTracks.begin();
130     it != inTracks.end(); ++it) {
131    
132 loizides 1.5 mithep::Track *outTrack = tracks_->Allocate();
133 paus 1.10 // create track and set the core parameters
134 loizides 1.19 new (outTrack) mithep::Track(it->qoverp(),it->lambda(),
135     it->phi(),it->dxy(),it->dsz());
136     outTrack->SetErrors(it->qoverpError(),it->lambdaError(),
137     it->phiError(),it->dxyError(),it->dszError());
138 bendavid 1.39
139     outTrack->SetPtErr(it->ptError());
140 loizides 1.1
141 loizides 1.19 // fill track quality information
142 bendavid 1.14 outTrack->SetChi2(it->chi2());
143 loizides 1.16 outTrack->SetNdof(static_cast<Int_t>(it->ndof()));
144 bendavid 1.33
145     //fill algo enum
146     outTrack->SetAlgo(static_cast<mithep::Track::ETrackAlgorithm>(it->algo()));
147    
148 bendavid 1.35 //fill quality bitmask
149     outTrack->Quality().SetQualityMask(BitMask8(UChar_t(it->qualityMask())));
150    
151     if (verbose_>2) {
152     printf("reco::Track high purity = %i, ", it->quality(reco::TrackBase::highPurity));
153     printf("mithep::Track high purity = %i\n",outTrack->Quality().Quality(mithep::TrackQuality::highPurity));
154     }
155    
156 bendavid 1.33 //fill gsf flag, some type gymastics needed...
157     if (typeid(*it)==typeid(reco::GsfTrack))
158     outTrack->SetIsGsf(kTRUE);
159     else
160     outTrack->SetIsGsf(kFALSE);
161 bendavid 1.14
162 bendavid 1.40 if (verbose_>2) {
163     printf("Track pt = %5f, eta = %5f, phi = %5f, nhits = %i, numberofvalidhits = %i, numberofmissinghits = %i, expectedhitsinner = %i, expectedhitsouter = %i\n",it->pt(),it->eta(),it->phi(),it->hitPattern().numberOfHits(),it->numberOfValidHits(),it->hitPattern().numberOfLostHits(),it->trackerExpectedHitsInner().numberOfHits(),it->trackerExpectedHitsOuter().numberOfHits());
164     }
165    
166 bendavid 1.38 //fill hit layer map and missing hits
167 bendavid 1.14 const reco::HitPattern &hits = it->hitPattern();
168 bendavid 1.38 BitMask48 hitLayers;
169     BitMask48 missingHitLayers;
170 bendavid 1.14 for (Int_t i=0; i<hits.numberOfHits(); i++) {
171     uint32_t hit = hits.getHitPattern(i);
172 bendavid 1.38 if (hits.validHitFilter(hit)) {
173     if (hits.trackerHitFilter(hit)) {
174     hitLayers.SetBit(hitReader_.Layer(hit));
175 bendavid 1.40 if (verbose_>2)
176     printf("Found valid hit with layer %i\n",hitReader_.Layer(hit));
177 bendavid 1.38 }
178     }
179    
180     if (hits.getHitType(hit)==1) {
181     if (hits.trackerHitFilter(hit)) {
182     missingHitLayers.SetBit(hitReader_.Layer(hit));
183     }
184     }
185    
186 loizides 1.29 if (verbose_>2) {
187 loizides 1.19 if (hits.muonDTHitFilter(hit))
188     printf("Muon DT Layer = %i\n", hits.getLayer(hit));
189     if (hits.muonCSCHitFilter(hit))
190     printf("Muon CSC Layer = %i\n", hits.getLayer(hit));
191     if (hits.muonRPCHitFilter(hit))
192     printf("Muon RPC Layer = %i\n", hits.getLayer(hit));
193     }
194 bendavid 1.14 }
195 bendavid 1.23
196 bendavid 1.38 outTrack->SetHits(hitLayers);
197     outTrack->SetMissingHits(missingHitLayers);
198    
199 bendavid 1.40
200 bendavid 1.38 //set expected inner hits
201     const reco::HitPattern &expectedInnerHitPattern = it->trackerExpectedHitsInner();
202     BitMask48 expectedHitsInner;
203     // search for all good crossed layers (with or without hit)
204     for (Int_t hi=0; hi<expectedInnerHitPattern.numberOfHits(); hi++) {
205     uint32_t hit = expectedInnerHitPattern.getHitPattern(hi);
206     if (expectedInnerHitPattern.getHitType(hit)<=1) {
207     if (expectedInnerHitPattern.trackerHitFilter(hit)) {
208     expectedHitsInner.SetBit(hitReader_.Layer(hit));
209     }
210     }
211     }
212    
213     outTrack->SetExpectedHitsInner(expectedHitsInner);
214    
215     //set expected outer hits
216     const reco::HitPattern &expectedOuterHitPattern = it->trackerExpectedHitsOuter();
217     BitMask48 expectedHitsOuter;
218     // search for all good crossed layers (with or without hit)
219     for (Int_t hi=0; hi<expectedOuterHitPattern.numberOfHits(); hi++) {
220     uint32_t hit = expectedOuterHitPattern.getHitPattern(hi);
221     if (expectedOuterHitPattern.getHitType(hit)<=1) {
222     if (expectedOuterHitPattern.trackerHitFilter(hit)) {
223     expectedHitsOuter.SetBit(hitReader_.Layer(hit));
224     }
225     }
226     }
227    
228     outTrack->SetExpectedHitsOuter(expectedHitsOuter);
229    
230 bendavid 1.40 //fill actual hit counts
231     outTrack->SetNHits(it->numberOfValidHits());
232     outTrack->SetNPixelHits(it->hitPattern().numberOfValidPixelHits());
233     outTrack->SetNMissingHits(it->hitPattern().numberOfLostHits());
234     outTrack->SetNExpectedHitsInner(it->trackerExpectedHitsInner().numberOfHits());
235     outTrack->SetNExpectedHitsOuter(it->trackerExpectedHitsOuter().numberOfHits());
236    
237    
238     if (verbose_>2)
239     printf("OutTrack NHits = %i, NMissingHits = %i, NExpectedHitsInner = %i, NExpectedHitsOuter = %i\n",outTrack->NHits(),outTrack->NMissingHits(),outTrack->NExpectedHitsInner(),outTrack->NExpectedHitsOuter());
240    
241    
242 bendavid 1.23 //make ecal associations
243     if (ecalAssocActive_) {
244 bendavid 1.28 TrackDetMatchInfo matchInfo;
245     //Extra check to allow propagation to work in AOD where no TrackExtra is available
246     if (it->extra().isAvailable())
247     matchInfo = trackAssociator.associate(event,setup,*it,assocParams_);
248     else {
249 paus 1.43 FreeTrajectoryState initialState = trajectoryStateTransform::initialFreeState(*it,&*bField);
250 bendavid 1.28 matchInfo = trackAssociator.associate(event, setup, assocParams_, &initialState);
251     }
252 bendavid 1.36
253     if (matchInfo.isGoodEcal) {
254     outTrack->SetEtaEcal(matchInfo.trkGlobPosAtEcal.eta());
255     outTrack->SetPhiEcal(matchInfo.trkGlobPosAtEcal.phi());
256     }
257 bendavid 1.23
258     //fill supercluster link
259     if (barrelSuperClusterIdMap_ || endcapSuperClusterIdMap_) {
260     mithep::SuperCluster *cluster = 0;
261 loizides 1.29 for (std::vector<const ::CaloTower*>::const_iterator iTower =
262     matchInfo.crossedTowers.begin();
263     iTower<matchInfo.crossedTowers.end() && !cluster; iTower++) {
264 bendavid 1.23
265     for (uint ihit=0; ihit<(*iTower)->constituentsSize() && !cluster; ihit++) {
266     DetId hit = (*iTower)->constituent(ihit);
267     if (barrelSuperClusterIdMap_ && barrelSuperClusterIdMap_->HasMit(hit))
268     cluster = barrelSuperClusterIdMap_->GetMit(hit);
269     else if (endcapSuperClusterIdMap_ && endcapSuperClusterIdMap_->HasMit(hit))
270     cluster = endcapSuperClusterIdMap_->GetMit(hit);
271     }
272     }
273     if (cluster)
274     outTrack->SetSCluster(cluster);
275     }
276     }
277 bendavid 1.14
278 loizides 1.1 // add reference between mithep and edm object
279 loizides 1.30 if (trackMap_) {
280     mitedm::TrackPtr thePtr = inTracks.ptrAt(it - inTracks.begin());
281     trackMap_->Add(thePtr, outTrack);
282     }
283    
284 bendavid 1.35 //do sim associations
285 loizides 1.19 if (trackingMap_ && !edmSimAssocName_.empty()) {
286 loizides 1.29 if (verbose_>1)
287     printf("Trying Track-Sim association\n");
288 bendavid 1.24 reco::TrackBaseRef theBaseRef = inTracks.refAt(it - inTracks.begin());
289 loizides 1.1 vector<pair<TrackingParticleRef, double> > simRefs;
290 paus 1.10 Bool_t noSimParticle = 0;
291 loizides 1.1 try {
292     simRefs = simAssociation[theBaseRef]; //try to get the sim references if existing
293     }
294 loizides 1.5 catch (edm::Exception &ex) {
295 paus 1.10 noSimParticle = 1;
296 loizides 1.1 }
297 paus 1.10
298 loizides 1.1 if (!noSimParticle) { //loop through sim match candidates
299 loizides 1.29 if (verbose_>1)
300     printf("Applying track-sim association\n");
301 loizides 1.1 for (vector<pair<TrackingParticleRef, double> >::const_iterator simRefPair=simRefs.begin();
302     simRefPair != simRefs.end(); ++simRefPair)
303 paus 1.10 if (simRefPair->second > 0.5) // require more than 50% shared hits between reco and sim
304 bendavid 1.17 outTrack->SetMCPart(trackingMap_->GetMit(simRefPair->first)); //add reco->sim reference
305 loizides 1.1 }
306     }
307     }
308     tracks_->Trim();
309     }