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196471e9 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
ea94c18b | 16 | /* $Id$ */ |
17 | ||
ee8a8d65 | 18 | //----------------------------------------------------------------------------- |
27bf410b | 19 | /// \class AliMUONTracker |
e64fdf8a | 20 | /// |
21 | /// Steering class for use in global tracking framework; | |
27bf410b | 22 | /// reconstruct tracks from recpoints |
23 | /// | |
e64fdf8a | 24 | /// Actual tracking is performed by some AliMUONVTrackReconstructor children |
25 | /// | |
26 | /// \author Christian Finck and Laurent Aphecetche, SUBATECH Nantes | |
ee8a8d65 | 27 | //----------------------------------------------------------------------------- |
196471e9 | 28 | |
29 | #include "AliMUONTracker.h" | |
e64fdf8a | 30 | |
e64fdf8a | 31 | #include "AliMUONTrack.h" |
32 | #include "AliMUONTrackExtrap.h" | |
33 | #include "AliMUONTrackHitPattern.h" | |
34 | #include "AliMUONTrackParam.h" | |
60765b06 | 35 | #include "AliMUONHitForRec.h" |
196471e9 | 36 | #include "AliMUONTrackReconstructor.h" |
e64fdf8a | 37 | #include "AliMUONTrackReconstructorK.h" |
38 | #include "AliMUONTrackStoreV1.h" | |
8c0b5e70 | 39 | #include "AliMUONTriggerChamberEff.h" |
e64fdf8a | 40 | #include "AliMUONTriggerTrackStoreV1.h" |
41 | #include "AliMUONVClusterStore.h" | |
42 | #include "AliMUONVTriggerStore.h" | |
ea94c18b | 43 | |
af885e0f | 44 | #include "AliESDEvent.h" |
ea94c18b | 45 | #include "AliESDMuonTrack.h" |
46 | #include "AliESDVertex.h" | |
47 | #include "AliLoader.h" | |
48 | #include "AliLog.h" | |
49 | ||
e64fdf8a | 50 | #include <Riostream.h> |
51 | #include <TTree.h> | |
196471e9 | 52 | |
ee8a8d65 | 53 | /// \cond CLASSIMP |
54 | ClassImp(AliMUONTracker) | |
55 | /// \endcond | |
56 | ||
57 | ||
196471e9 | 58 | //_____________________________________________________________________________ |
e64fdf8a | 59 | AliMUONTracker::AliMUONTracker(AliLoader* loader, |
60 | const AliMUONDigitMaker* digitMaker, | |
61 | const AliMUONGeometryTransformer* transformer, | |
8c0b5e70 | 62 | const AliMUONTriggerCircuit* triggerCircuit, |
63 | AliMUONTriggerChamberEff* chamberEff) | |
e64fdf8a | 64 | : AliTracker(), |
65 | fLoader(loader), | |
66 | fDigitMaker(digitMaker), // not owner | |
67 | fTransformer(transformer), // not owner | |
68 | fTriggerCircuit(triggerCircuit), // not owner | |
8c0b5e70 | 69 | fTrigChamberEff(chamberEff), // not owner |
e64fdf8a | 70 | fTrackHitPatternMaker(0x0), |
71 | fTrackReco(0x0), | |
72 | fClusterStore(0x0), | |
73 | fTriggerStore(0x0) | |
196471e9 | 74 | { |
75 | /// constructor | |
e64fdf8a | 76 | if (fTransformer && fDigitMaker) |
77 | { | |
78 | fTrackHitPatternMaker = new AliMUONTrackHitPattern(*fTransformer,*fDigitMaker); | |
79 | } | |
196471e9 | 80 | } |
e64fdf8a | 81 | |
196471e9 | 82 | //_____________________________________________________________________________ |
83 | AliMUONTracker::~AliMUONTracker() | |
84 | { | |
e64fdf8a | 85 | /// dtor |
196471e9 | 86 | delete fTrackReco; |
e64fdf8a | 87 | delete fTrackHitPatternMaker; |
88 | delete fClusterStore; | |
89 | delete fTriggerStore; | |
196471e9 | 90 | } |
91 | ||
92 | //_____________________________________________________________________________ | |
e64fdf8a | 93 | Int_t |
94 | AliMUONTracker::LoadClusters(TTree* clustersTree) | |
196471e9 | 95 | { |
e64fdf8a | 96 | /// Load clusterStore and triggerStore from clustersTree |
97 | delete fClusterStore; | |
98 | delete fTriggerStore; | |
196471e9 | 99 | |
e64fdf8a | 100 | fClusterStore = AliMUONVClusterStore::Create(*clustersTree); |
101 | fTriggerStore = AliMUONVTriggerStore::Create(*clustersTree); | |
102 | ||
103 | if (!fClusterStore) | |
104 | { | |
105 | AliError("Could not get clusterStore"); | |
106 | return 1; | |
107 | } | |
108 | if (!fTriggerStore) | |
109 | { | |
110 | AliError("Could not get triggerStore"); | |
111 | return 2; | |
112 | } | |
113 | ||
114 | fClusterStore->Connect(*clustersTree,kFALSE); | |
115 | fTriggerStore->Connect(*clustersTree,kFALSE); | |
116 | ||
117 | clustersTree->GetEvent(0); | |
196471e9 | 118 | |
e64fdf8a | 119 | return 0; |
120 | } | |
196471e9 | 121 | |
e64fdf8a | 122 | //_____________________________________________________________________________ |
123 | Int_t | |
af885e0f | 124 | AliMUONTracker::Clusters2Tracks(AliESDEvent* esd) |
e64fdf8a | 125 | { |
126 | /// Performs the tracking and store the resulting tracks in both | |
127 | /// the TreeT and the ESD | |
128 | ||
129 | Int_t rv(0); | |
130 | ||
131 | TTree* tracksTree = fLoader->TreeT(); | |
132 | ||
133 | if (!tracksTree) | |
134 | { | |
135 | AliError("Cannot get TreeT"); | |
136 | rv=1; | |
137 | } | |
138 | if (!fClusterStore) | |
139 | { | |
140 | AliError("ClusterStore is NULL"); | |
141 | rv=2; | |
142 | } | |
143 | if (!fTriggerStore) | |
144 | { | |
145 | AliError("TriggerStore is NULL"); | |
146 | rv=3; | |
147 | } | |
148 | if (!rv) | |
149 | { | |
150 | rv = Clusters2Tracks(*tracksTree,esd); | |
151 | } | |
152 | return rv; | |
153 | } | |
196471e9 | 154 | |
e64fdf8a | 155 | //_____________________________________________________________________________ |
af885e0f | 156 | Int_t AliMUONTracker::Clusters2Tracks(TTree& tracksTree, AliESDEvent* esd) |
e64fdf8a | 157 | { |
158 | /// Performs the tracking | |
159 | ||
160 | AliDebug(1,""); | |
161 | ||
162 | AliMUONVTrackStore* trackStore(0x0); | |
163 | AliMUONVTriggerTrackStore* triggerTrackStore(0x0); | |
164 | ||
165 | // Make tracker tracks | |
166 | if ( fClusterStore ) | |
167 | { | |
168 | trackStore = new AliMUONTrackStoreV1; | |
169 | Bool_t alone = ( ( fTriggerStore && fTriggerCircuit ) ? kFALSE : kTRUE ); | |
170 | trackStore->Connect(tracksTree,alone); | |
171 | fTrackReco->EventReconstruct(*fClusterStore,*trackStore); | |
172 | } | |
173 | ||
174 | if ( fTriggerStore && fTriggerCircuit ) | |
175 | { | |
176 | // Make trigger tracks | |
177 | triggerTrackStore = new AliMUONTriggerTrackStoreV1; | |
178 | Bool_t alone = ( fClusterStore ? kFALSE : kTRUE ); | |
179 | triggerTrackStore->Connect(tracksTree,alone); | |
180 | fTrackReco->EventReconstructTrigger(*fTriggerCircuit,*fTriggerStore,*triggerTrackStore); | |
181 | } | |
182 | ||
183 | if ( trackStore && triggerTrackStore && fTriggerStore && fTrackHitPatternMaker ) | |
184 | { | |
185 | fTrackReco->ValidateTracksWithTrigger(*trackStore,*triggerTrackStore,*fTriggerStore,*fTrackHitPatternMaker); | |
186 | } | |
187 | ||
188 | // Fills output TreeT | |
189 | tracksTree.Fill(); | |
190 | ||
8c0b5e70 | 191 | if( trackStore && triggerTrackStore && fTriggerStore && fTrigChamberEff){ |
192 | fTrigChamberEff->EventChamberEff(*fTriggerStore,*triggerTrackStore,*trackStore); | |
8c0b5e70 | 193 | } |
194 | ||
e64fdf8a | 195 | FillESD(*trackStore,esd); |
196 | ||
197 | // cleanup | |
198 | delete trackStore; | |
199 | delete triggerTrackStore; | |
200 | ||
201 | return 0; | |
202 | } | |
196471e9 | 203 | |
e64fdf8a | 204 | //_____________________________________________________________________________ |
205 | void | |
af885e0f | 206 | AliMUONTracker::FillESD(AliMUONVTrackStore& trackStore, AliESDEvent* esd) const |
e64fdf8a | 207 | { |
208 | /// Fill the ESD from the trackStore | |
209 | ||
210 | AliDebug(1,""); | |
211 | ||
212 | // Get vertex | |
213 | Double_t vertex[3] = {0}; | |
214 | const AliESDVertex* esdVert = esd->GetVertex(); | |
215 | if (esdVert->GetNContributors()) | |
216 | { | |
217 | esdVert->GetXYZ(vertex); | |
218 | AliDebug(1,Form("found vertex (%e,%e,%e)",vertex[0],vertex[1],vertex[2])); | |
219 | } | |
220 | ||
221 | // setting ESD MUON class | |
222 | AliESDMuonTrack esdTrack; | |
223 | ||
224 | AliMUONTrack* track; | |
225 | TIter next(trackStore.CreateIterator()); | |
226 | ||
227 | while ( ( track = static_cast<AliMUONTrack*>(next()) ) ) | |
228 | { | |
229 | AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>((track->GetTrackParamAtHit())->First()); | |
230 | AliMUONTrackParam trackParamAtVtx(*trackParam); | |
231 | ||
232 | /// Extrapolate to vertex (which is set to (0,0,0) if not available, see above) | |
233 | AliMUONTrackExtrap::ExtrapToVertex(&trackParamAtVtx, vertex[0],vertex[1],vertex[2]); | |
234 | ||
235 | // setting data member of ESD MUON | |
236 | ||
237 | // at first station | |
60765b06 | 238 | trackParam->SetParamForUncorrected(esdTrack); |
239 | trackParam->SetCovFor(esdTrack); | |
e64fdf8a | 240 | // at vertex |
60765b06 | 241 | trackParamAtVtx.SetParamFor(esdTrack); |
e64fdf8a | 242 | // global info |
243 | esdTrack.SetChi2(track->GetFitFMin()); | |
244 | esdTrack.SetNHit(track->GetNTrackHits()); | |
245 | esdTrack.SetLocalTrigger(track->GetLocalTrigger()); | |
246 | esdTrack.SetChi2MatchTrigger(track->GetChi2MatchTrigger()); | |
247 | esdTrack.SetHitsPatternInTrigCh(track->GetHitsPatternInTrigCh()); | |
60765b06 | 248 | // muon cluster map |
249 | AliMUONHitForRec* cluster = static_cast<AliMUONHitForRec*>((track->GetHitForRecAtHit())->First()); | |
250 | while (cluster) { | |
251 | esdTrack.AddInMuonClusterMap(cluster->GetChamberNumber()); | |
252 | cluster = static_cast<AliMUONHitForRec*>((track->GetHitForRecAtHit())->After(cluster)); | |
253 | } | |
e64fdf8a | 254 | |
255 | // storing ESD MUON Track into ESD Event | |
256 | esd->AddMuonTrack(&esdTrack); | |
257 | } // end of loop on tracks | |
196471e9 | 258 | } |
259 | ||
260 | //_____________________________________________________________________________ | |
e64fdf8a | 261 | void AliMUONTracker::SetOption(Option_t* option) |
196471e9 | 262 | { |
e64fdf8a | 263 | /// set reconstructor class |
264 | ||
265 | if (strstr(option,"Original")) | |
266 | { | |
267 | fTrackReco = new AliMUONTrackReconstructor; | |
268 | } | |
e64fdf8a | 269 | else |
270 | { | |
ea94c18b | 271 | fTrackReco = new AliMUONTrackReconstructorK(); |
e64fdf8a | 272 | } |
273 | } | |
196471e9 | 274 | |
e64fdf8a | 275 | //_____________________________________________________________________________ |
276 | void | |
277 | AliMUONTracker::UnloadClusters() | |
278 | { | |
279 | /// Delete internal clusterStore | |
280 | delete fClusterStore; | |
281 | fClusterStore = 0x0; | |
196471e9 | 282 | } |
e64fdf8a | 283 |