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1 | //------------------------------------------------------------------------- | |
2 | // Task for the Analysis Framework | |
3 | // Creates a PWG2 specific AOD, from the ESD adding information required | |
4 | // for PWG2 analysis. | |
5 | // - Puts the per-track information into the AliPWG2AODTrack container, | |
6 | // together with the link to the original AliAODTrack | |
7 | // | |
8 | // Author: Adam Kisiel, OSU, Adam.Kisiel@cern.ch | |
9 | //------------------------------------------------------------------------- | |
10 | #include <TChain.h> | |
11 | #include <TFile.h> | |
12 | #include <TList.h> | |
13 | ||
14 | #include "AliAnalysisTaskPWG2ESDfilter.h" | |
15 | #include "AliAnalysisManager.h" | |
16 | #include "AliESDEvent.h" | |
17 | #include "AliAODEvent.h" | |
18 | #include "AliESDInputHandler.h" | |
19 | #include "AliAODHandler.h" | |
20 | #include "AliAnalysisFilter.h" | |
21 | #include "AliESDtrack.h" | |
22 | #include "AliESDMuonTrack.h" | |
23 | #include "AliESDVertex.h" | |
24 | #include "AliESDv0.h" | |
25 | #include "AliESDkink.h" | |
26 | #include "AliESDcascade.h" | |
27 | #include "AliLog.h" | |
28 | #include "AliPWG2AODTrack.h" | |
29 | ||
30 | ClassImp(AliAnalysisTaskPWG2ESDfilter) | |
31 | ||
32 | //////////////////////////////////////////////////////////////////////// | |
33 | ||
34 | AliAnalysisTaskPWG2ESDfilter::AliAnalysisTaskPWG2ESDfilter(): | |
35 | fDebug(0), | |
36 | fTree(0x0), | |
37 | fESD(0x0), | |
38 | fAOD(0x0), | |
39 | fTreeA(0x0), | |
40 | fTrackFilter(0x0), | |
41 | fKinkFilter(0x0), | |
42 | fV0Filter(0x0), | |
43 | fPWG2AODTracks(0x0) | |
44 | { | |
45 | // Default constructor | |
46 | } | |
47 | ||
48 | AliAnalysisTaskPWG2ESDfilter::AliAnalysisTaskPWG2ESDfilter(const char* name): | |
49 | AliAnalysisTask(name, "AnalysisTaskESDfilter"), | |
50 | fDebug(0), | |
51 | fTree(0x0), | |
52 | fESD(0x0), | |
53 | fAOD(0x0), | |
54 | fTreeA(0x0), | |
55 | fTrackFilter(0x0), | |
56 | fKinkFilter(0x0), | |
57 | fV0Filter(0x0), | |
58 | fPWG2AODTracks(0x0) | |
59 | { | |
60 | // Default constructor | |
61 | DefineInput (0, TChain::Class()); | |
62 | DefineOutput(0, TTree::Class()); | |
63 | } | |
64 | ||
65 | AliAnalysisTaskPWG2ESDfilter::AliAnalysisTaskPWG2ESDfilter(const AliAnalysisTaskPWG2ESDfilter &task): | |
66 | AliAnalysisTask(), | |
67 | fDebug(0), | |
68 | fTree(0x0), | |
69 | fESD(0x0), | |
70 | fAOD(0x0), | |
71 | fTreeA(0x0), | |
72 | fTrackFilter(0x0), | |
73 | fKinkFilter(0x0), | |
74 | fV0Filter(0x0), | |
75 | fPWG2AODTracks(0x0) | |
76 | { | |
77 | // Copy | |
78 | fDebug = task.fDebug; | |
79 | fTree = task.fTree; | |
80 | fESD = task.fESD; | |
81 | fAOD = task.fAOD; | |
82 | fTreeA = task.fTreeA; | |
83 | fTrackFilter = task.fTrackFilter; | |
84 | fKinkFilter = task.fKinkFilter; | |
85 | fV0Filter = task.fV0Filter; | |
86 | fPWG2AODTracks = task.fPWG2AODTracks; | |
87 | } | |
88 | ||
89 | AliAnalysisTaskPWG2ESDfilter& AliAnalysisTaskPWG2ESDfilter::operator=(const AliAnalysisTaskPWG2ESDfilter &task) | |
90 | { | |
91 | // Assignment | |
92 | if (&task == this) return *this; | |
93 | TTask::operator=(task); | |
94 | ||
95 | fDebug = task.fDebug; | |
96 | fTree = task.fTree; | |
97 | fESD = task.fESD; | |
98 | fAOD = task.fAOD; | |
99 | fTreeA = task.fTreeA; | |
100 | fTrackFilter = task.fTrackFilter; | |
101 | fKinkFilter = task.fKinkFilter; | |
102 | fV0Filter = task.fV0Filter; | |
103 | fPWG2AODTracks = task.fPWG2AODTracks; | |
104 | ||
105 | return *this; | |
106 | } | |
107 | ||
108 | void AliAnalysisTaskPWG2ESDfilter::CreateOutputObjects() | |
109 | { | |
110 | // Create the output container | |
111 | if (fDebug > 1) AliInfo("CreateOutPutData() \n"); | |
112 | AliAODHandler* handler = (AliAODHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler()); | |
113 | ||
114 | fAOD = handler->GetAOD(); | |
115 | fTreeA = handler->GetTree(); | |
116 | fTreeA->GetUserInfo()->Add(fTrackFilter); | |
117 | ||
118 | // *** PWG2 specific *** | |
119 | ||
120 | fPWG2AODTracks = new TClonesArray("AliPWG2AODTrack", 0); | |
121 | const char *name = "pwg2aodtracks"; | |
122 | fPWG2AODTracks->SetName(name); | |
123 | ||
124 | fAOD->AddObject(fPWG2AODTracks); | |
125 | ||
126 | // TBranch *newBranch = fTreeA->Branch(name, &fPWG2AODTracks); | |
127 | fTreeA->Branch(name, &fPWG2AODTracks); | |
128 | fTreeA->GetUserInfo()->Add(fPWG2AODTracks); | |
129 | ||
130 | // --- END PWG2 specific --- | |
131 | } | |
132 | ||
133 | void AliAnalysisTaskPWG2ESDfilter::Init() | |
134 | { | |
135 | // Initialization | |
136 | if (fDebug > 1) AliInfo("Init() \n"); | |
137 | // Call configuration file | |
138 | } | |
139 | ||
140 | void AliAnalysisTaskPWG2ESDfilter::ConnectInputData(Option_t */*option*/) | |
141 | { | |
142 | // Connect the input data | |
143 | // | |
144 | if (fDebug > 1) AliInfo("ConnectInputData() \n"); | |
145 | // Input | |
146 | AliESDInputHandler* esdH = (AliESDInputHandler*) | |
147 | ((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler()); | |
148 | fESD = (AliESDEvent*) esdH->GetEvent(); | |
149 | fTree = esdH->GetTree(); | |
150 | } | |
151 | ||
152 | void AliAnalysisTaskPWG2ESDfilter::Exec(Option_t */*option*/) | |
153 | { | |
154 | // Execute analysis for current event | |
155 | // | |
156 | // ESD Filter analysis task executed for each event | |
157 | AliESD* old = fESD->GetAliESDOld(); | |
158 | ||
159 | Long64_t ientry = fTree->GetReadEntry(); | |
160 | printf("Filter: Analysing event # %5d\n", (Int_t) ientry); | |
161 | ||
162 | // set arrays and pointers | |
163 | Double_t pos[3]; | |
164 | Double_t p[3]; | |
165 | Double_t covVtx[6]; | |
166 | Double_t covTr[21]; | |
167 | Double_t pid[10]; | |
168 | ||
169 | for (Int_t i = 0; i < 6; i++) covVtx[i] = 0.; | |
170 | for (Int_t i = 0; i < 21; i++) covTr [i] = 0.; | |
171 | ||
172 | // *** PWG2 specific *** | |
173 | ||
174 | Double_t tpcentrancepoint[3]; | |
175 | Double_t tpcexitpoint[3]; | |
176 | TBits sharemap; | |
177 | TBits clustermap; | |
178 | ||
179 | for (Int_t i = 0; i < 3; i++) { tpcentrancepoint[i] = 0.; tpcexitpoint[i] = 0; } | |
180 | ||
181 | // --- END PWG2 specific --- | |
182 | ||
183 | ||
184 | // loop over events and fill them | |
185 | ||
186 | // Multiplicity information needed by the header (to be revised!) | |
187 | Int_t nTracks = fESD->GetNumberOfTracks(); | |
188 | Int_t nPosTracks = 0; | |
189 | for (Int_t iTrack = 0; iTrack < nTracks; ++iTrack) | |
190 | if (fESD->GetTrack(iTrack)->GetSign()> 0) nPosTracks++; | |
191 | ||
192 | // Update the header | |
193 | ||
194 | AliAODHeader* header = fAOD->GetHeader(); | |
195 | header->SetRunNumber(fESD->GetRunNumber()); | |
196 | if (old) { | |
197 | header->SetBunchCrossNumber(0); | |
198 | header->SetOrbitNumber(0); | |
199 | header->SetPeriodNumber(0); | |
200 | header->SetEventType(0); | |
201 | header->SetMuonMagFieldScale(-999.); | |
202 | header->SetCentrality(0); | |
203 | } else { | |
204 | header->SetBunchCrossNumber(fESD->GetBunchCrossNumber()); | |
205 | header->SetOrbitNumber(fESD->GetOrbitNumber()); | |
206 | header->SetPeriodNumber(fESD->GetPeriodNumber()); | |
207 | header->SetEventType(fESD->GetEventType()); | |
208 | header->SetMuonMagFieldScale(-999.); | |
209 | header->SetCentrality(0); | |
210 | } | |
211 | ||
212 | header->SetTriggerMask(fESD->GetTriggerMask()); | |
213 | header->SetTriggerCluster(fESD->GetTriggerCluster()); | |
214 | header->SetMagneticField(fESD->GetMagneticField()); | |
215 | header->SetZDCN1Energy(fESD->GetZDCN1Energy()); | |
216 | header->SetZDCP1Energy(fESD->GetZDCP1Energy()); | |
217 | header->SetZDCN2Energy(fESD->GetZDCN2Energy()); | |
218 | header->SetZDCP2Energy(fESD->GetZDCP2Energy()); | |
219 | header->SetZDCEMEnergy(fESD->GetZDCEMEnergy(0),fESD->GetZDCEMEnergy(1)); | |
220 | header->SetRefMultiplicity(nTracks); | |
221 | header->SetRefMultiplicityPos(nPosTracks); | |
222 | header->SetRefMultiplicityNeg(nTracks - nPosTracks); | |
223 | ||
224 | ||
225 | Int_t nV0s = fESD->GetNumberOfV0s(); | |
226 | Int_t nCascades = fESD->GetNumberOfCascades(); | |
227 | Int_t nKinks = fESD->GetNumberOfKinks(); | |
228 | // Int_t nVertices = nV0s + nCascades + nKinks + 1 /* = prim. vtx*/; | |
229 | // Int_t nJets = 0; | |
230 | // Int_t nCaloClus = fESD->GetNumberOfCaloClusters(); | |
231 | // Int_t nFmdClus = 0; | |
232 | // Int_t nPmdClus = fESD->GetNumberOfPmdTracks(); | |
233 | ||
234 | printf(" NV0=%d NCASCADES=%d NKINKS=%d\n", nV0s, nCascades, nKinks); | |
235 | ||
236 | // fAOD->ResetStd(nTracks, nVertices, nV0s+nCascades, nJets, nCaloClus, nFmdClus, nPmdClus); | |
237 | ||
238 | AliAODTrack *aodTrack; | |
239 | ||
240 | ||
241 | // Array to take into account the tracks already added to the AOD | |
242 | Bool_t * usedTrack = NULL; | |
243 | if (nTracks>0) { | |
244 | usedTrack = new Bool_t[nTracks]; | |
245 | for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) usedTrack[iTrack]=kFALSE; | |
246 | } | |
247 | // Array to take into account the V0s already added to the AOD | |
248 | Bool_t * usedV0 = NULL; | |
249 | if (nV0s>0) { | |
250 | usedV0 = new Bool_t[nV0s]; | |
251 | for (Int_t iV0=0; iV0<nV0s; ++iV0) usedV0[iV0]=kFALSE; | |
252 | } | |
253 | // Array to take into account the kinks already added to the AOD | |
254 | Bool_t * usedKink = NULL; | |
255 | if (nKinks>0) { | |
256 | usedKink = new Bool_t[nKinks]; | |
257 | for (Int_t iKink=0; iKink<nKinks; ++iKink) usedKink[iKink]=kFALSE; | |
258 | } | |
259 | ||
260 | // Access to the AOD container of vertices | |
261 | TClonesArray &vertices = *(fAOD->GetVertices()); | |
262 | Int_t jVertices=0; | |
263 | ||
264 | // Access to the AOD container of tracks | |
265 | TClonesArray &tracks = *(fAOD->GetTracks()); | |
266 | Int_t jTracks=0; | |
267 | Int_t pTracks=0; | |
268 | ||
269 | // Add primary vertex. The primary tracks will be defined | |
270 | // after the loops on the composite objects (V0, cascades, kinks) | |
271 | const AliESDVertex *vtx = fESD->GetPrimaryVertex(); | |
272 | ||
273 | vtx->GetXYZ(pos); // position | |
274 | vtx->GetCovMatrix(covVtx); //covariance matrix | |
275 | ||
276 | AliAODVertex * primary = new(vertices[jVertices++]) | |
277 | AliAODVertex(pos, covVtx, vtx->GetChi2toNDF(), NULL, AliAODVertex::kPrimary); | |
278 | primary->Print(); | |
279 | ||
280 | ||
281 | // Create vertices starting from the most complex objects | |
282 | Double_t chi2 = 0.; | |
283 | ||
284 | // Cascades | |
285 | for (Int_t nCascade = 0; nCascade < nCascades; ++nCascade) { | |
286 | AliESDcascade *cascade = fESD->GetCascade(nCascade); | |
287 | ||
288 | cascade->GetXYZ(pos[0], pos[1], pos[2]); | |
289 | ||
290 | if (!old) { | |
291 | chi2 = vtx->GetChi2toNDF(); | |
292 | cascade->GetPosCovXi(covVtx); | |
293 | } else { | |
294 | chi2 = -999.; | |
295 | } | |
296 | // Add the cascade vertex | |
297 | AliAODVertex * vcascade = new(vertices[jVertices++]) AliAODVertex(pos, | |
298 | covVtx, | |
299 | chi2, // = chi2/NDF since NDF = 2*2-3 (AM) | |
300 | primary, | |
301 | AliAODVertex::kCascade); | |
302 | ||
303 | primary->AddDaughter(vcascade); | |
304 | ||
305 | // Add the V0 from the cascade. The ESD class have to be optimized... | |
306 | // Now we have to search for the corresponding Vo in the list of V0s | |
307 | // using the indeces of the positive and negative tracks | |
308 | ||
309 | Int_t posFromV0 = cascade->GetPindex(); | |
310 | Int_t negFromV0 = cascade->GetNindex(); | |
311 | ||
312 | ||
313 | AliESDv0 * v0 = 0x0; | |
314 | Int_t indV0 = -1; | |
315 | ||
316 | for (Int_t iV0=0; iV0<nV0s; ++iV0) { | |
317 | ||
318 | v0 = fESD->GetV0(iV0); | |
319 | Int_t posV0 = v0->GetPindex(); | |
320 | Int_t negV0 = v0->GetNindex(); | |
321 | ||
322 | if (posV0==posFromV0 && negV0==negFromV0) { | |
323 | indV0 = iV0; | |
324 | break; | |
325 | } | |
326 | } | |
327 | ||
328 | AliAODVertex * vV0FromCascade = 0x0; | |
329 | ||
330 | if (indV0>-1 && !usedV0[indV0] ) { | |
331 | ||
332 | // the V0 exists in the array of V0s and is not used | |
333 | ||
334 | usedV0[indV0] = kTRUE; | |
335 | ||
336 | v0->GetXYZ(pos[0], pos[1], pos[2]); | |
337 | if (!old) { | |
338 | chi2 = v0->GetChi2V0(); | |
339 | v0->GetPosCov(covVtx); | |
340 | } else { | |
341 | chi2 = -999.; | |
342 | } | |
343 | ||
344 | vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos, | |
345 | covVtx, | |
346 | chi2, // = chi2/NDF since NDF = 2*2-3 (AM) | |
347 | vcascade, | |
348 | AliAODVertex::kV0); | |
349 | } else { | |
350 | ||
351 | // the V0 doesn't exist in the array of V0s or was used | |
352 | // cerr << "Error: event " << fESD->GetEventNumberInFile() << " cascade " << nCascade | |
353 | // << " The V0 " << indV0 | |
354 | // << " doesn't exist in the array of V0s or was used!" << endl; | |
355 | ||
356 | cascade->GetXYZ(pos[0], pos[1], pos[2]); | |
357 | ||
358 | if (!old) { | |
359 | chi2 = v0->GetChi2V0(); | |
360 | cascade->GetPosCov(covVtx); | |
361 | } else { | |
362 | chi2 = -999.; | |
363 | } | |
364 | ||
365 | vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos, | |
366 | covVtx, | |
367 | chi2, // = chi2/NDF since NDF = 2*2-3 (AM) | |
368 | vcascade, | |
369 | AliAODVertex::kV0); | |
370 | vcascade->AddDaughter(vV0FromCascade); | |
371 | } | |
372 | ||
373 | // Add the positive tracks from the V0 | |
374 | ||
375 | if (posFromV0>-1 && !usedTrack[posFromV0]) { | |
376 | ||
377 | usedTrack[posFromV0] = kTRUE; | |
378 | ||
379 | AliESDtrack *esdTrack = fESD->GetTrack(posFromV0); | |
380 | esdTrack->GetPxPyPz(p); | |
381 | esdTrack->GetXYZ(pos); | |
382 | esdTrack->GetCovarianceXYZPxPyPz(covTr); | |
383 | esdTrack->GetESDpid(pid); | |
384 | ||
385 | vV0FromCascade->AddDaughter(aodTrack = | |
386 | new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(), | |
387 | esdTrack->GetLabel(), | |
388 | p, | |
389 | kTRUE, | |
390 | pos, | |
391 | kFALSE, | |
392 | covTr, | |
393 | (Short_t)esdTrack->GetSign(), | |
394 | esdTrack->GetITSClusterMap(), | |
395 | pid, | |
396 | vV0FromCascade, | |
397 | kTRUE, // check if this is right | |
398 | kFALSE, // check if this is right | |
399 | AliAODTrack::kSecondary) | |
400 | ); | |
401 | aodTrack->ConvertAliPIDtoAODPID(); | |
402 | } | |
403 | else { | |
404 | // cerr << "Error: event " << fESD->GetEventNumberInFile() << " cascade " << nCascade | |
405 | // << " track " << posFromV0 << " has already been used!" << endl; | |
406 | } | |
407 | ||
408 | // Add the negative tracks from the V0 | |
409 | ||
410 | if (negFromV0>-1 && !usedTrack[negFromV0]) { | |
411 | ||
412 | usedTrack[negFromV0] = kTRUE; | |
413 | ||
414 | AliESDtrack *esdTrack = fESD->GetTrack(negFromV0); | |
415 | esdTrack->GetPxPyPz(p); | |
416 | esdTrack->GetXYZ(pos); | |
417 | esdTrack->GetCovarianceXYZPxPyPz(covTr); | |
418 | esdTrack->GetESDpid(pid); | |
419 | ||
420 | vV0FromCascade->AddDaughter(aodTrack = | |
421 | new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(), | |
422 | esdTrack->GetLabel(), | |
423 | p, | |
424 | kTRUE, | |
425 | pos, | |
426 | kFALSE, | |
427 | covTr, | |
428 | (Short_t)esdTrack->GetSign(), | |
429 | esdTrack->GetITSClusterMap(), | |
430 | pid, | |
431 | vV0FromCascade, | |
432 | kTRUE, // check if this is right | |
433 | kFALSE, // check if this is right | |
434 | AliAODTrack::kSecondary) | |
435 | ); | |
436 | aodTrack->ConvertAliPIDtoAODPID(); | |
437 | } | |
438 | else { | |
439 | // cerr << "Error: event " << fESD->GetEventNumberInFile() << " cascade " << nCascade | |
440 | // << " track " << negFromV0 << " has already been used!" << endl; | |
441 | } | |
442 | ||
443 | // Add the bachelor track from the cascade | |
444 | ||
445 | Int_t bachelor = cascade->GetBindex(); | |
446 | ||
447 | if(bachelor>-1 && !usedTrack[bachelor]) { | |
448 | ||
449 | usedTrack[bachelor] = kTRUE; | |
450 | ||
451 | AliESDtrack *esdTrack = fESD->GetTrack(bachelor); | |
452 | esdTrack->GetPxPyPz(p); | |
453 | esdTrack->GetXYZ(pos); | |
454 | esdTrack->GetCovarianceXYZPxPyPz(covTr); | |
455 | esdTrack->GetESDpid(pid); | |
456 | ||
457 | vcascade->AddDaughter(aodTrack = | |
458 | new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(), | |
459 | esdTrack->GetLabel(), | |
460 | p, | |
461 | kTRUE, | |
462 | pos, | |
463 | kFALSE, | |
464 | covTr, | |
465 | (Short_t)esdTrack->GetSign(), | |
466 | esdTrack->GetITSClusterMap(), | |
467 | pid, | |
468 | vcascade, | |
469 | kTRUE, // check if this is right | |
470 | kFALSE, // check if this is right | |
471 | AliAODTrack::kSecondary) | |
472 | ); | |
473 | aodTrack->ConvertAliPIDtoAODPID(); | |
474 | } | |
475 | else { | |
476 | // cerr << "Error: event " << fESD->GetEventNumberInFile() << " cascade " << nCascade | |
477 | // << " track " << bachelor << " has already been used!" << endl; | |
478 | } | |
479 | ||
480 | // Add the primary track of the cascade (if any) | |
481 | ||
482 | } // end of the loop on cascades | |
483 | ||
484 | // V0s | |
485 | ||
486 | for (Int_t nV0 = 0; nV0 < nV0s; ++nV0) { | |
487 | ||
488 | if (usedV0[nV0]) continue; // skip if aready added to the AOD | |
489 | ||
490 | AliESDv0 *v0 = fESD->GetV0(nV0); | |
491 | ||
492 | v0->GetXYZ(pos[0], pos[1], pos[2]); | |
493 | ||
494 | if (!old) { | |
495 | chi2 = v0->GetChi2V0(); | |
496 | v0->GetPosCov(covVtx); | |
497 | } else { | |
498 | chi2 = -999.; | |
499 | } | |
500 | ||
501 | ||
502 | AliAODVertex * vV0 = | |
503 | new(vertices[jVertices++]) AliAODVertex(pos, | |
504 | covVtx, | |
505 | chi2, // = chi2/NDF since NDF = 2*2-3 | |
506 | primary, | |
507 | AliAODVertex::kV0); | |
508 | primary->AddDaughter(vV0); | |
509 | ||
510 | Int_t posFromV0 = v0->GetPindex(); | |
511 | Int_t negFromV0 = v0->GetNindex(); | |
512 | ||
513 | // Add the positive tracks from the V0 | |
514 | ||
515 | if (posFromV0>-1 && !usedTrack[posFromV0]) { | |
516 | ||
517 | usedTrack[posFromV0] = kTRUE; | |
518 | ||
519 | AliESDtrack *esdTrack = fESD->GetTrack(posFromV0); | |
520 | esdTrack->GetPxPyPz(p); | |
521 | esdTrack->GetXYZ(pos); | |
522 | esdTrack->GetCovarianceXYZPxPyPz(covTr); | |
523 | esdTrack->GetESDpid(pid); | |
524 | ||
525 | vV0->AddDaughter(aodTrack = | |
526 | new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(), | |
527 | esdTrack->GetLabel(), | |
528 | p, | |
529 | kTRUE, | |
530 | pos, | |
531 | kFALSE, | |
532 | covTr, | |
533 | (Short_t)esdTrack->GetSign(), | |
534 | esdTrack->GetITSClusterMap(), | |
535 | pid, | |
536 | vV0, | |
537 | kTRUE, // check if this is right | |
538 | kFALSE, // check if this is right | |
539 | AliAODTrack::kSecondary) | |
540 | ); | |
541 | aodTrack->ConvertAliPIDtoAODPID(); | |
542 | } | |
543 | else { | |
544 | // cerr << "Error: event " << fESD->GetEventNumberInFile() << " V0 " << nV0 | |
545 | // << " track " << posFromV0 << " has already been used!" << endl; | |
546 | } | |
547 | ||
548 | // Add the negative tracks from the V0 | |
549 | ||
550 | if (negFromV0>-1 && !usedTrack[negFromV0]) { | |
551 | ||
552 | usedTrack[negFromV0] = kTRUE; | |
553 | ||
554 | AliESDtrack *esdTrack = fESD->GetTrack(negFromV0); | |
555 | esdTrack->GetPxPyPz(p); | |
556 | esdTrack->GetXYZ(pos); | |
557 | esdTrack->GetCovarianceXYZPxPyPz(covTr); | |
558 | esdTrack->GetESDpid(pid); | |
559 | ||
560 | vV0->AddDaughter(aodTrack = | |
561 | new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(), | |
562 | esdTrack->GetLabel(), | |
563 | p, | |
564 | kTRUE, | |
565 | pos, | |
566 | kFALSE, | |
567 | covTr, | |
568 | (Short_t)esdTrack->GetSign(), | |
569 | esdTrack->GetITSClusterMap(), | |
570 | pid, | |
571 | vV0, | |
572 | kTRUE, // check if this is right | |
573 | kFALSE, // check if this is right | |
574 | AliAODTrack::kSecondary) | |
575 | ); | |
576 | aodTrack->ConvertAliPIDtoAODPID(); | |
577 | } | |
578 | else { | |
579 | // cerr << "Error: event " << fESD->GetEventNumberInFile() << " V0 " << nV0 | |
580 | // << " track " << negFromV0 << " has already been used!" << endl; | |
581 | } | |
582 | ||
583 | } // end of the loop on V0s | |
584 | ||
585 | // Kinks: it is a big mess the access to the information in the kinks | |
586 | // The loop is on the tracks in order to find the mother and daugther of each kink | |
587 | ||
588 | ||
589 | for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) { | |
590 | ||
591 | ||
592 | AliESDtrack * esdTrack = fESD->GetTrack(iTrack); | |
593 | ||
594 | Int_t ikink = esdTrack->GetKinkIndex(0); | |
595 | ||
596 | if (ikink && nKinks) { | |
597 | // Negative kink index: mother, positive: daughter | |
598 | ||
599 | // Search for the second track of the kink | |
600 | ||
601 | for (Int_t jTrack = iTrack+1; jTrack<nTracks; ++jTrack) { | |
602 | ||
603 | AliESDtrack * esdTrack1 = fESD->GetTrack(jTrack); | |
604 | ||
605 | Int_t jkink = esdTrack1->GetKinkIndex(0); | |
606 | ||
607 | if ( TMath::Abs(ikink)==TMath::Abs(jkink) ) { | |
608 | ||
609 | // The two tracks are from the same kink | |
610 | ||
611 | if (usedKink[TMath::Abs(ikink)-1]) continue; // skip used kinks | |
612 | ||
613 | Int_t imother = -1; | |
614 | Int_t idaughter = -1; | |
615 | ||
616 | if (ikink<0 && jkink>0) { | |
617 | ||
618 | imother = iTrack; | |
619 | idaughter = jTrack; | |
620 | } | |
621 | else if (ikink>0 && jkink<0) { | |
622 | ||
623 | imother = jTrack; | |
624 | idaughter = iTrack; | |
625 | } | |
626 | else { | |
627 | // cerr << "Error: Wrong combination of kink indexes: " | |
628 | // << ikink << " " << jkink << endl; | |
629 | continue; | |
630 | } | |
631 | ||
632 | // Add the mother track | |
633 | ||
634 | AliAODTrack * mother = NULL; | |
635 | ||
636 | if (!usedTrack[imother]) { | |
637 | ||
638 | usedTrack[imother] = kTRUE; | |
639 | ||
640 | AliESDtrack *esdTrackC = fESD->GetTrack(imother); | |
641 | esdTrackC->GetPxPyPz(p); | |
642 | esdTrackC->GetXYZ(pos); | |
643 | esdTrackC->GetCovarianceXYZPxPyPz(covTr); | |
644 | esdTrackC->GetESDpid(pid); | |
645 | ||
646 | mother = | |
647 | new(tracks[jTracks++]) AliAODTrack(esdTrackC->GetID(), | |
648 | esdTrackC->GetLabel(), | |
649 | p, | |
650 | kTRUE, | |
651 | pos, | |
652 | kFALSE, | |
653 | covTr, | |
654 | (Short_t)esdTrackC->GetSign(), | |
655 | esdTrackC->GetITSClusterMap(), | |
656 | pid, | |
657 | primary, | |
658 | kTRUE, // check if this is right | |
659 | kTRUE, // check if this is right | |
660 | AliAODTrack::kPrimary); | |
661 | primary->AddDaughter(mother); | |
662 | mother->ConvertAliPIDtoAODPID(); | |
663 | } | |
664 | else { | |
665 | // cerr << "Error: event " << fESD->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1 | |
666 | // << " track " << imother << " has already been used!" << endl; | |
667 | } | |
668 | ||
669 | // Add the kink vertex | |
670 | AliESDkink * kink = fESD->GetKink(TMath::Abs(ikink)-1); | |
671 | ||
672 | AliAODVertex * vkink = | |
673 | new(vertices[jVertices++]) AliAODVertex(kink->GetPosition(), | |
674 | NULL, | |
675 | 0., | |
676 | mother, | |
677 | AliAODVertex::kKink); | |
678 | // Add the daughter track | |
679 | ||
680 | AliAODTrack * daughter = NULL; | |
681 | ||
682 | if (!usedTrack[idaughter]) { | |
683 | ||
684 | usedTrack[idaughter] = kTRUE; | |
685 | ||
686 | AliESDtrack *esdTrackC = fESD->GetTrack(idaughter); | |
687 | esdTrackC->GetPxPyPz(p); | |
688 | esdTrackC->GetXYZ(pos); | |
689 | esdTrackC->GetCovarianceXYZPxPyPz(covTr); | |
690 | esdTrackC->GetESDpid(pid); | |
691 | ||
692 | daughter = | |
693 | new(tracks[jTracks++]) AliAODTrack(esdTrackC->GetID(), | |
694 | esdTrackC->GetLabel(), | |
695 | p, | |
696 | kTRUE, | |
697 | pos, | |
698 | kFALSE, | |
699 | covTr, | |
700 | (Short_t)esdTrackC->GetSign(), | |
701 | esdTrackC->GetITSClusterMap(), | |
702 | pid, | |
703 | vkink, | |
704 | kTRUE, // check if this is right | |
705 | kTRUE, // check if this is right | |
706 | AliAODTrack::kPrimary); | |
707 | vkink->AddDaughter(daughter); | |
708 | daughter->ConvertAliPIDtoAODPID(); | |
709 | } | |
710 | else { | |
711 | // cerr << "Error: event " << fESD->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1 | |
712 | // << " track " << idaughter << " has already been used!" << endl; | |
713 | } | |
714 | } | |
715 | } | |
716 | } | |
717 | } | |
718 | ||
719 | ||
720 | // Tracks (primary and orphan) | |
721 | ||
722 | printf("NUMBER OF TRACKS %5d\n", nTracks); | |
723 | ||
724 | // *** PWG2 specific *** | |
725 | ||
726 | fPWG2AODTracks->Delete(); | |
727 | fPWG2AODTracks->Expand(nTracks); | |
728 | TClonesArray &tPWG2AODTracks = *fPWG2AODTracks; | |
729 | ||
730 | // --- END PWG2 specific --- | |
731 | ||
732 | for (Int_t nTrack = 0; nTrack < nTracks; ++nTrack) { | |
733 | ||
734 | if (usedTrack[nTrack]) continue; | |
735 | AliESDtrack *esdTrack = fESD->GetTrack(nTrack); | |
736 | UInt_t selectInfo = 0; | |
737 | // | |
738 | // Track selection | |
739 | if (fTrackFilter) { | |
740 | selectInfo = fTrackFilter->IsSelected(esdTrack); | |
741 | if (!selectInfo) continue; | |
742 | } | |
743 | ||
744 | // | |
745 | esdTrack->GetPxPyPz(p); | |
746 | esdTrack->GetXYZ(pos); | |
747 | esdTrack->GetCovarianceXYZPxPyPz(covTr); | |
748 | esdTrack->GetESDpid(pid); | |
749 | ||
750 | Float_t impactXY, impactZ; | |
751 | ||
752 | esdTrack->GetImpactParameters(impactXY,impactZ); | |
753 | ||
754 | // *** PWG2 specific *** | |
755 | ||
756 | sharemap = esdTrack->GetTPCSharedMap(); | |
757 | clustermap = esdTrack->GetTPCClusterMap(); | |
758 | ||
759 | esdTrack->GetInnerXYZ(tpcentrancepoint); | |
760 | tpcentrancepoint[2] -= pos[2]; | |
761 | ||
762 | esdTrack->GetOuterXYZ(tpcexitpoint); | |
763 | tpcexitpoint[2] -= pos[2]; | |
764 | ||
765 | // --- END PWG2 specific --- | |
766 | ||
767 | ||
768 | if (impactXY<3) { | |
769 | // track inside the beam pipe | |
770 | ||
771 | primary->AddDaughter(aodTrack = | |
772 | new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(), | |
773 | esdTrack->GetLabel(), | |
774 | p, | |
775 | kTRUE, | |
776 | pos, | |
777 | kFALSE, | |
778 | covTr, | |
779 | (Short_t)esdTrack->GetSign(), | |
780 | esdTrack->GetITSClusterMap(), | |
781 | pid, | |
782 | primary, | |
783 | kTRUE, // check if this is right | |
784 | kTRUE, // check if this is right | |
785 | AliAODTrack::kPrimary, | |
786 | selectInfo) | |
787 | ); | |
788 | aodTrack->ConvertAliPIDtoAODPID(); | |
789 | ||
790 | // *** PWG2 specific **** | |
791 | // Add the PWG2 info into the AOD | |
792 | new (tPWG2AODTracks[pTracks++]) AliPWG2AODTrack(tpcentrancepoint, | |
793 | tpcexitpoint, | |
794 | sharemap, | |
795 | clustermap, | |
796 | aodTrack); | |
797 | // --- END PWG2 specific --- | |
798 | } | |
799 | else { | |
800 | // outside the beam pipe: orphan track | |
801 | aodTrack = | |
802 | new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(), | |
803 | esdTrack->GetLabel(), | |
804 | p, | |
805 | kTRUE, | |
806 | pos, | |
807 | kFALSE, | |
808 | covTr, | |
809 | (Short_t)esdTrack->GetSign(), | |
810 | esdTrack->GetITSClusterMap(), | |
811 | pid, | |
812 | NULL, | |
813 | kFALSE, // check if this is right | |
814 | kFALSE, // check if this is right | |
815 | AliAODTrack::kOrphan, | |
816 | selectInfo); | |
817 | aodTrack->ConvertAliPIDtoAODPID(); | |
818 | ||
819 | // *** PWG2 specific **** | |
820 | // Add the PWG2 info into the AOD | |
821 | new (tPWG2AODTracks[pTracks++]) AliPWG2AODTrack(tpcentrancepoint, | |
822 | tpcexitpoint, | |
823 | sharemap, | |
824 | clustermap, | |
825 | aodTrack); | |
826 | // --- END PWG2 specific --- | |
827 | } | |
828 | } // end of loop on tracks | |
829 | ||
830 | // muon tracks | |
831 | Int_t nMuTracks = fESD->GetNumberOfMuonTracks(); | |
832 | for (Int_t nMuTrack = 0; nMuTrack < nMuTracks; ++nMuTrack) { | |
833 | ||
834 | AliESDMuonTrack *esdMuTrack = fESD->GetMuonTrack(nMuTrack); | |
835 | p[0] = esdMuTrack->Px(); | |
836 | p[1] = esdMuTrack->Py(); | |
837 | p[2] = esdMuTrack->Pz(); | |
838 | pos[0] = primary->GetX(); | |
839 | pos[1] = primary->GetY(); | |
840 | pos[2] = primary->GetZ(); | |
841 | ||
842 | // has to be changed once the muon pid is provided by the ESD | |
843 | for (Int_t i = 0; i < 10; pid[i++] = 0.) {} | |
844 | pid[AliAODTrack::kMuon]=1.; | |
845 | ||
846 | primary->AddDaughter( | |
847 | new(tracks[jTracks++]) AliAODTrack(0, // no ID provided | |
848 | 0, // no label provided | |
849 | p, | |
850 | kTRUE, | |
851 | pos, | |
852 | kFALSE, | |
853 | NULL, // no covariance matrix provided | |
854 | (Short_t)-99, // no charge provided | |
855 | 0, // no ITSClusterMap | |
856 | pid, | |
857 | primary, | |
858 | kTRUE, // check if this is right | |
859 | kTRUE, // not used for vertex fit | |
860 | AliAODTrack::kPrimary) | |
861 | ); | |
862 | } | |
863 | ||
864 | printf(" jTracks=%d pTracks=%d PWG2=%d\n", jTracks, pTracks, fPWG2AODTracks->GetEntries()); | |
865 | ||
866 | delete [] usedTrack; | |
867 | delete [] usedV0; | |
868 | delete [] usedKink; | |
869 | ||
870 | ||
871 | // | |
872 | PostData(0, fTreeA); | |
873 | return; | |
874 | } | |
875 | ||
876 | void AliAnalysisTaskPWG2ESDfilter::Terminate(Option_t */*option*/) | |
877 | { | |
878 | // Terminate analysis | |
879 | // | |
880 | if (fDebug > 1) printf("AnalysisESDfilter: Terminate() \n"); | |
881 | } | |
882 |