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adding some overall documentation of the pendolino
[u/mrichter/AliRoot.git] / ANALYSIS / AliAnalysisTaskESDfilter.cxx
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f7ed7e88 1/**************************************************************************\r
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *\r
3 * *\r
4 * Author: The ALICE Off-line Project. *\r
5 * Contributors are mentioned in the code where appropriate. *\r
6 * *\r
7 * Permission to use, copy, modify and distribute this software and its *\r
8 * documentation strictly for non-commercial purposes is hereby granted *\r
9 * without fee, provided that the above copyright notice appears in all *\r
10 * copies and that both the copyright notice and this permission notice *\r
11 * appear in the supporting documentation. The authors make no claims *\r
12 * about the suitability of this software for any purpose. It is *\r
13 * provided "as is" without express or implied warranty. *\r
14 **************************************************************************/\r
15\r
16/* $Id: AliAnalysisTaskESDfilter.cxx 24535 2008-03-16 22:43:30Z fca $ */\r
17 \r
18#include <TChain.h>\r
19#include <TTree.h>\r
20#include <TList.h>\r
21#include <TArrayI.h>\r
22#include <TRandom.h>\r
23#include <TParticle.h>\r
24\r
25#include "AliAnalysisTaskESDfilter.h"\r
26#include "AliAnalysisManager.h"\r
27#include "AliESDEvent.h"\r
f2f21b24 28#include "AliESDRun.h"\r
f7ed7e88 29#include "AliStack.h"\r
30#include "AliAODEvent.h"\r
31#include "AliMCEvent.h"\r
32#include "AliMCEventHandler.h"\r
33#include "AliESDInputHandler.h"\r
34#include "AliAODHandler.h"\r
35#include "AliAODMCParticle.h"\r
36#include "AliAnalysisFilter.h"\r
37#include "AliESDMuonTrack.h"\r
38#include "AliESDVertex.h"\r
39#include "AliESDv0.h"\r
40#include "AliESDkink.h"\r
41#include "AliESDcascade.h"\r
42#include "AliESDPmdTrack.h"\r
43#include "AliESDCaloCluster.h"\r
44#include "AliESDCaloCells.h"\r
45#include "AliMultiplicity.h"\r
46#include "AliLog.h"\r
47\r
48ClassImp(AliAnalysisTaskESDfilter)\r
49\r
50////////////////////////////////////////////////////////////////////////\r
51\r
52AliAnalysisTaskESDfilter::AliAnalysisTaskESDfilter():\r
53 AliAnalysisTaskSE(),\r
54 fTrackFilter(0x0),\r
55 fKinkFilter(0x0),\r
56 fV0Filter(0x0),\r
57 fCascadeFilter(0x0),\r
58 fHighPthreshold(0),\r
59 fPtshape(0x0)\r
60{\r
61 // Default constructor\r
62}\r
63\r
64AliAnalysisTaskESDfilter::AliAnalysisTaskESDfilter(const char* name):\r
65 AliAnalysisTaskSE(name),\r
66 fTrackFilter(0x0),\r
67 fKinkFilter(0x0),\r
68 fV0Filter(0x0),\r
69 fCascadeFilter(0x0),\r
70 fHighPthreshold(0),\r
71 fPtshape(0x0)\r
72{\r
73 // Constructor\r
74}\r
75\r
76void AliAnalysisTaskESDfilter::UserCreateOutputObjects()\r
77{\r
cd5eefa7 78 //\r
79 // Create Output Objects conenct filter to outputtree\r
80 // \r
f7ed7e88 81 OutputTree()->GetUserInfo()->Add(fTrackFilter);\r
82}\r
83\r
84void AliAnalysisTaskESDfilter::Init()\r
85{\r
86 // Initialization\r
87 if (fDebug > 1) AliInfo("Init() \n");\r
88 // Call configuration file\r
89}\r
90\r
91\r
92void AliAnalysisTaskESDfilter::UserExec(Option_t */*option*/)\r
93{\r
94// Execute analysis for current event\r
95//\r
96 \r
97 Long64_t ientry = Entry();\r
f2f21b24 98 \r
e26c0b71 99 if (fDebug > 0) {\r
f2f21b24 100 printf("Filter: Analysing event # %5d\n", (Int_t) ientry);\r
101 if (fHighPthreshold == 0) AliInfo("detector PID signals are stored in each track");\r
102 if (!fPtshape) AliInfo("detector PID signals are not stored below the pt threshold");\r
e26c0b71 103 }\r
f2f21b24 104 \r
f7ed7e88 105 ConvertESDtoAOD();\r
106}\r
107\r
108void AliAnalysisTaskESDfilter::ConvertESDtoAOD() {\r
109 // ESD Filter analysis task executed for each event\r
110\r
111 AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent());\r
112 AliESD* old = esd->GetAliESDOld();\r
113\r
114 // Fetch Stack for debuggging if available \r
115 AliStack *pStack = 0;\r
116 AliMCEventHandler *mcH = 0;\r
117 if(MCEvent()){\r
118 pStack = MCEvent()->Stack();\r
119 mcH = (AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()); \r
120 }\r
121 // set arrays and pointers\r
122 Float_t posF[3];\r
123 Double_t pos[3];\r
124 Double_t p[3];\r
125 Double_t momPos[3]; \r
126 Double_t momNeg[3];\r
127 Double_t momBach[3];\r
128 Double_t momPosAtV0vtx[3];\r
129 Double_t momNegAtV0vtx[3];\r
130 Double_t momBachAtCascadeVtx[3];\r
131 Double_t covVtx[6];\r
132 Double_t covTr[21];\r
133 Double_t pid[10];\r
134\r
135 for (Int_t i = 0; i < 6; i++) covVtx[i] = 0.;\r
136 for (Int_t i = 0; i < 21; i++) covTr [i] = 0.;\r
137\r
138 \r
139 // loop over events and fill them\r
f7ed7e88 140 // Multiplicity information needed by the header (to be revised!)\r
141 Int_t nTracks = esd->GetNumberOfTracks();\r
95621324 142 for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) esd->GetTrack(iTrack)->SetESDEvent(esd);\r
143\r
f7ed7e88 144 // if (fDebug > 0) printf("-------------------Bo: Number of ESD tracks %d \n",nTracks);\r
145\r
146 Int_t nPosTracks = 0;\r
f7ed7e88 147 \r
148 // Update the header\r
149\r
150 AliAODHeader* header = AODEvent()->GetHeader();\r
f2f21b24 151 \r
f7ed7e88 152 header->SetRunNumber(esd->GetRunNumber());\r
153 if (old) {\r
154 header->SetBunchCrossNumber(0);\r
155 header->SetOrbitNumber(0);\r
156 header->SetPeriodNumber(0);\r
157 header->SetEventType(0);\r
f2f21b24 158 header->SetMuonMagFieldScale(-999.);\r
159 header->SetCentrality(-999.); \r
f7ed7e88 160 } else {\r
161 header->SetBunchCrossNumber(esd->GetBunchCrossNumber());\r
162 header->SetOrbitNumber(esd->GetOrbitNumber());\r
163 header->SetPeriodNumber(esd->GetPeriodNumber());\r
164 header->SetEventType(esd->GetEventType());\r
f7ed7e88 165 header->SetCentrality(-999.); // FIXME\r
166 }\r
f2f21b24 167 // Trigger\r
efa1edeb 168 header->SetFiredTriggerClasses(esd->GetFiredTriggerClasses());\r
f7ed7e88 169 header->SetTriggerMask(esd->GetTriggerMask()); \r
170 header->SetTriggerCluster(esd->GetTriggerCluster());\r
f2f21b24 171 \r
172\r
f7ed7e88 173 header->SetMagneticField(esd->GetMagneticField());\r
db7ce896 174 header->SetMuonMagFieldScale(esd->GetCurrentDip()/6000.);\r
f7ed7e88 175 header->SetZDCN1Energy(esd->GetZDCN1Energy());\r
176 header->SetZDCP1Energy(esd->GetZDCP1Energy());\r
177 header->SetZDCN2Energy(esd->GetZDCN2Energy());\r
178 header->SetZDCP2Energy(esd->GetZDCP2Energy());\r
179 header->SetZDCEMEnergy(esd->GetZDCEMEnergy(0),esd->GetZDCEMEnergy(1));\r
f2f21b24 180\r
181 \r
f7ed7e88 182 Float_t diamxy[2]={esd->GetDiamondX(),esd->GetDiamondY()};\r
183 Float_t diamcov[3]; esd->GetDiamondCovXY(diamcov);\r
184 header->SetDiamond(diamxy,diamcov);\r
185//\r
186//\r
187 Int_t nV0s = esd->GetNumberOfV0s();\r
188 Int_t nCascades = esd->GetNumberOfCascades();\r
189 Int_t nKinks = esd->GetNumberOfKinks();\r
190 Int_t nVertices = nV0s + nCascades /*V0 wihtin cascade already counted*/+ nKinks + 1 /* = prim. vtx*/;\r
191 Int_t nJets = 0;\r
192 Int_t nCaloClus = esd->GetNumberOfCaloClusters();\r
193 Int_t nFmdClus = 0;\r
194 Int_t nPmdClus = esd->GetNumberOfPmdTracks();\r
195 \r
196 if (fDebug > 0) \r
197 printf(" NV0=%d NCASCADES=%d NKINKS=%d\n", nV0s, nCascades, nKinks);\r
198 \r
199 AODEvent()->ResetStd(nTracks, nVertices, nV0s, nCascades, nJets, nCaloClus, nFmdClus, nPmdClus);\r
200\r
201\r
202 AliAODTrack *aodTrack = 0x0;\r
203 AliAODPid *detpid = 0x0;\r
204 Double_t timezero = 0; //TO BE FIXED\r
205 AliAODVertex *vV0FromCascade = 0x0;\r
206 AliAODv0 *aodV0 = 0x0;\r
207 AliAODcascade *aodCascade = 0x0;\r
208 \r
209 // RefArray to store the mapping between esd track number and newly created AOD-Track\r
210 TRefArray *aodTrackRefs = NULL;\r
211 if (nTracks > 0) aodTrackRefs = new TRefArray(nTracks);\r
212\r
213 // RefArray to store a mapping between esd V0 number and newly created AOD-Vertex V0\r
214 TRefArray *aodV0VtxRefs = NULL;\r
215 if (nV0s > 0) aodV0VtxRefs = new TRefArray(nV0s);\r
216\r
217 // RefArray to store the mapping between esd V0 number and newly created AOD-V0\r
218 TRefArray *aodV0Refs = NULL;\r
219 if (nV0s > 0) aodV0Refs = new TRefArray(nV0s);\r
220\r
221 \r
222\r
223\r
224\r
225 // Array to take into account the tracks already added to the AOD\r
226 Bool_t * usedTrack = NULL;\r
227 if (nTracks>0) {\r
228 usedTrack = new Bool_t[nTracks];\r
229 for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) usedTrack[iTrack]=kFALSE;\r
230 }\r
231 // Array to take into account the V0s already added to the AOD (V0 within cascades)\r
232 Bool_t * usedV0 = NULL;\r
233 if (nV0s>0) {\r
234 usedV0 = new Bool_t[nV0s];\r
235 for (Int_t iV0=0; iV0<nV0s; ++iV0) usedV0[iV0]=kFALSE;\r
236 }\r
237 // Array to take into account the kinks already added to the AOD\r
238 Bool_t * usedKink = NULL;\r
239 if (nKinks>0) {\r
240 usedKink = new Bool_t[nKinks];\r
241 for (Int_t iKink=0; iKink<nKinks; ++iKink) usedKink[iKink]=kFALSE;\r
242 }\r
243 \r
244 // Access to the AOD container of vertices\r
245 TClonesArray &vertices = *(AODEvent()->GetVertices());\r
246 Int_t jVertices=0;\r
247 \r
248 // Access to the AOD container of tracks\r
249 TClonesArray &tracks = *(AODEvent()->GetTracks());\r
250 Int_t jTracks=0; \r
251 \r
252 // Access to the AOD container of Cascades\r
253 TClonesArray &cascades = *(AODEvent()->GetCascades());\r
254 Int_t jCascades=0;\r
255\r
256 // Access to the AOD container of V0s\r
257 TClonesArray &v0s = *(AODEvent()->GetV0s());\r
258 Int_t jV0s=0;\r
259 \r
260 // Add primary vertex. The primary tracks will be defined\r
261 // after the loops on the composite objects (V0, cascades, kinks)\r
262 const AliESDVertex *vtx = esd->GetPrimaryVertex();\r
263 \r
264 vtx->GetXYZ(pos); // position\r
265 vtx->GetCovMatrix(covVtx); //covariance matrix\r
266 \r
267 AliAODVertex * primary = new(vertices[jVertices++])\r
268 AliAODVertex(pos, covVtx, vtx->GetChi2toNDF(), NULL, -1, AliAODVertex::kPrimary);\r
269 primary->SetName(vtx->GetName());\r
270 primary->SetTitle(vtx->GetTitle());\r
19d55689 271 \r
91bad62d 272 if (!strcmp(vtx->GetTitle(), "vertexer: 3D")) primary->SetNContributors(vtx->GetNContributors());\r
f7ed7e88 273\r
274 if (fDebug > 0) primary->Print();\r
275\r
276 // Create vertices starting from the most complex objects\r
277 Double_t chi2 = 0.;\r
278 \r
279 // Cascades (Modified by A.Maire - February 2009)\r
280 for (Int_t nCascade = 0; nCascade < nCascades; ++nCascade) {\r
281\r
282 if (fDebug > 1) \r
283 printf("\n ******** Cascade number : %d/%d *********\n", nCascade, nCascades);\r
284\r
285 // 0- Preparation\r
286 //\r
287 AliESDcascade *esdCascade = esd->GetCascade(nCascade);\r
288 Int_t idxPosFromV0Dghter = esdCascade->GetPindex();\r
289 Int_t idxNegFromV0Dghter = esdCascade->GetNindex();\r
290 Int_t idxBachFromCascade = esdCascade->GetBindex();\r
291 \r
292 AliESDtrack *esdCascadePos = esd->GetTrack( idxPosFromV0Dghter);\r
293 AliESDtrack *esdCascadeNeg = esd->GetTrack( idxNegFromV0Dghter);\r
294 AliESDtrack *esdCascadeBach = esd->GetTrack( idxBachFromCascade);\r
295\r
296 // Identification of the V0 within the esdCascade (via both daughter track indices)\r
297 AliESDv0 * currentV0 = 0x0;\r
298 Int_t idxV0FromCascade = -1;\r
299 \r
300 for (Int_t iV0=0; iV0<nV0s; ++iV0) {\r
301 \r
302 currentV0 = esd->GetV0(iV0);\r
303 Int_t posCurrentV0 = currentV0->GetPindex();\r
304 Int_t negCurrentV0 = currentV0->GetNindex();\r
305 \r
306 if (posCurrentV0==idxPosFromV0Dghter && negCurrentV0==idxNegFromV0Dghter) {\r
307 idxV0FromCascade = iV0;\r
308 break;\r
309 }\r
310 }\r
311\r
312 if(idxV0FromCascade < 0){\r
313 printf("Cascade - no matching for the V0 (index V0 = -1) ! Skip ... \n");\r
314 continue;\r
315 }// a priori, useless check, but safer ... in case of pb with tracks "out of bounds"\r
316\r
317 if (fDebug > 1) \r
318 printf("Cascade %d - V0fromCascade ind : %d/%d\n", nCascade, idxV0FromCascade, nV0s);\r
319\r
320 AliESDv0 *esdV0FromCascade = esd->GetV0(idxV0FromCascade);\r
321 \r
322\r
323 // 1 - Cascade selection \r
324 \r
325 // AliESDVertex *esdPrimVtx = new AliESDVertex(*(esd->GetPrimaryVertex()));\r
326 // TList cascadeObjects;\r
327 // cascadeObjects.AddAt(esdV0FromCascade, 0);\r
328 // cascadeObjects.AddAt(esdCascadePos, 1);\r
329 // cascadeObjects.AddAt(esdCascadeNeg, 2);\r
330 // cascadeObjects.AddAt(esdCascade, 3);\r
331 // cascadeObjects.AddAt(esdCascadeBach, 4);\r
332 // cascadeObjects.AddAt(esdPrimVtx, 5);\r
333 // \r
334 // UInt_t selectCascade = 0;\r
335 // if (fCascadeFilter) {\r
336 // // selectCascade = fCascadeFilter->IsSelected(&cascadeObjects); \r
337 // // FIXME AliESDCascadeCuts to be implemented ...\r
338 // \r
339 // // Here we may encounter a moot point at the V0 level \r
340 // // between the cascade selections and the V0 ones :\r
341 // // the V0 selected along with the cascade (secondary V0) may \r
342 // // usually be removed from the dedicated V0 selections (prim V0) ...\r
343 // // -> To be discussed !\r
344 // \r
345 // // this is a little awkward but otherwise the \r
346 // // list wants to access the pointer (delete it) \r
347 // // again when going out of scope\r
348 // delete cascadeObjects.RemoveAt(5); // esdPrimVtx created via copy construct\r
349 // esdPrimVtx = 0;\r
350 // if (!selectCascade) \r
351 // continue;\r
352 // }\r
353 // else{\r
354 // delete cascadeObjects.RemoveAt(5); // esdPrimVtx created via copy construct\r
355 // esdPrimVtx = 0;\r
356 // }\r
357\r
358 // 2 - Add the cascade vertex\r
359 \r
360 esdCascade->GetXYZcascade(pos[0], pos[1], pos[2]);\r
361 esdCascade->GetPosCovXi(covVtx);\r
362 chi2 = esdCascade->GetChi2Xi(); \r
363 \r
364 AliAODVertex *vCascade = new(vertices[jVertices++]) AliAODVertex( pos,\r
365 covVtx,\r
366 chi2, // FIXME = Chi2/NDF will be needed\r
367 primary,\r
368 nCascade, // id\r
369 AliAODVertex::kCascade);\r
370 primary->AddDaughter(vCascade);\r
371\r
372 if (fDebug > 2) {\r
373 printf("---- Cascade / Cascade Vertex (AOD) : \n");\r
374 vCascade->Print();\r
375 }\r
376\r
377\r
378 // 3 - Add the bachelor track from the cascade\r
379 \r
380 if (!usedTrack[idxBachFromCascade]) {\r
381\r
382 esdCascadeBach->GetPxPyPz(momBach);\r
383 esdCascadeBach->GetXYZ(pos);\r
384 esdCascadeBach->GetCovarianceXYZPxPyPz(covTr);\r
385 esdCascadeBach->GetESDpid(pid);\r
386\r
387 usedTrack[idxBachFromCascade] = kTRUE;\r
388 UInt_t selectInfo = 0;\r
9eeae5d5 389 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdCascadeBach);\r
f7ed7e88 390 if(mcH)mcH->SelectParticle(esdCascadeBach->GetLabel());\r
391 aodTrack = new(tracks[jTracks++]) AliAODTrack(esdCascadeBach->GetID(),\r
392 esdCascadeBach->GetLabel(), \r
393 momBach, \r
394 kTRUE,\r
395 pos,\r
396 kFALSE, // Why kFALSE for "isDCA" ? FIXME\r
397 covTr, \r
398 (Short_t)esdCascadeBach->GetSign(),\r
399 esdCascadeBach->GetITSClusterMap(), \r
400 pid,\r
401 vCascade,\r
402 kTRUE, // usedForVtxFit = kFALSE ? FIXME\r
403 vtx->UsesTrack(esdCascadeBach->GetID()),\r
404 AliAODTrack::kSecondary,\r
405 selectInfo);\r
f2f21b24 406 aodTrack->SetTPCClusterMap(esdCascadeBach->GetTPCClusterMap());\r
407 aodTrack->SetTPCSharedMap (esdCascadeBach->GetTPCSharedMap());\r
40a060e5 408 aodTrack->SetChi2perNDF(Chi2perNDF(esdCascadeBach));\r
f7ed7e88 409 aodTrackRefs->AddAt(aodTrack,idxBachFromCascade);\r
f2f21b24 410 \r
f7ed7e88 411 if (esdCascadeBach->GetSign() > 0) nPosTracks++;\r
412 aodTrack->ConvertAliPIDtoAODPID();\r
413 aodTrack->SetFlags(esdCascadeBach->GetStatus());\r
414 SetAODPID(esdCascadeBach,aodTrack,detpid,timezero,esd->GetMagneticField());\r
415 }\r
416 else {\r
417 aodTrack = dynamic_cast<AliAODTrack*>( aodTrackRefs->At(idxBachFromCascade) );\r
418 }\r
419\r
420 vCascade->AddDaughter(aodTrack);\r
421\r
422 if (fDebug > 4) {\r
423 printf("---- Cascade / bach dghter : \n");\r
424 aodTrack->Print();\r
425 }\r
426 \r
427\r
428 // 4 - Add the V0 from the cascade. \r
429 // = V0vtx + both pos and neg daughter tracks + the aodV0 itself\r
430 //\r
431\r
432 if ( !usedV0[idxV0FromCascade] ) {\r
433 // 4.A - if VO structure hasn't been created yet\r
434 \r
435 // 4.A.1 - Create the V0 vertex of the cascade\r
436 \r
437 esdV0FromCascade->GetXYZ(pos[0], pos[1], pos[2]);\r
438 esdV0FromCascade->GetPosCov(covVtx);\r
439 chi2 = esdV0FromCascade->GetChi2V0(); // = chi2/NDF since NDF = 2*2-3 ?\r
440 \r
441 vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos,\r
442 covVtx,\r
443 chi2,\r
444 vCascade,\r
445 idxV0FromCascade, //id of ESDv0\r
446 AliAODVertex::kV0);\r
447 // Note:\r
448 // one V0 can be used by several cascades.\r
449 // So, one AOD V0 vtx can have several parent vtx.\r
450 // This is not directly allowed by AliAODvertex.\r
451 // Setting the parent vtx (here = param "vCascade") doesn't lead to a crash\r
452 // but to a problem of consistency within AODEvent.\r
453 // -> See below paragraph 4.B, for the proposed treatment of such a case.\r
454\r
455 // Add the vV0FromCascade to the aodVOVtxRefs\r
456 aodV0VtxRefs->AddAt(vV0FromCascade,idxV0FromCascade);\r
457 \r
458 \r
459 // 4.A.2 - Add the positive tracks from the V0\r
460 \r
461 esdCascadePos->GetPxPyPz(momPos);\r
462 esdCascadePos->GetXYZ(pos);\r
463 esdCascadePos->GetCovarianceXYZPxPyPz(covTr);\r
464 esdCascadePos->GetESDpid(pid);\r
465 \r
466 \r
467 if (!usedTrack[idxPosFromV0Dghter]) {\r
468 usedTrack[idxPosFromV0Dghter] = kTRUE;\r
469 \r
470 UInt_t selectInfo = 0;\r
9eeae5d5 471 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdCascadePos);\r
f7ed7e88 472 if(mcH) mcH->SelectParticle(esdCascadePos->GetLabel());\r
473 aodTrack = new(tracks[jTracks++]) AliAODTrack( esdCascadePos->GetID(),\r
474 esdCascadePos->GetLabel(), \r
475 momPos, \r
476 kTRUE,\r
477 pos,\r
478 kFALSE, // Why kFALSE for "isDCA" ? FIXME\r
479 covTr, \r
480 (Short_t)esdCascadePos->GetSign(),\r
481 esdCascadePos->GetITSClusterMap(), \r
482 pid,\r
483 vV0FromCascade,\r
484 kTRUE, // usedForVtxFit = kFALSE ? FIXME\r
485 vtx->UsesTrack(esdCascadePos->GetID()),\r
486 AliAODTrack::kSecondary,\r
487 selectInfo);\r
f2f21b24 488 aodTrack->SetTPCClusterMap(esdCascadePos->GetTPCClusterMap());\r
489 aodTrack->SetTPCSharedMap (esdCascadePos->GetTPCSharedMap());\r
40a060e5 490 aodTrack->SetChi2perNDF(Chi2perNDF(esdCascadePos));\r
f7ed7e88 491 aodTrackRefs->AddAt(aodTrack,idxPosFromV0Dghter);\r
40a060e5 492\r
f7ed7e88 493 if (esdCascadePos->GetSign() > 0) nPosTracks++;\r
494 aodTrack->ConvertAliPIDtoAODPID();\r
495 aodTrack->SetFlags(esdCascadePos->GetStatus());\r
496 SetAODPID(esdCascadePos,aodTrack,detpid,timezero,esd->GetMagneticField());\r
497 }\r
498 else {\r
499 aodTrack = dynamic_cast<AliAODTrack*>(aodTrackRefs->At(idxPosFromV0Dghter));\r
500 }\r
501 vV0FromCascade->AddDaughter(aodTrack);\r
502 \r
503 \r
504 // 4.A.3 - Add the negative tracks from the V0\r
505 \r
506 esdCascadeNeg->GetPxPyPz(momNeg);\r
507 esdCascadeNeg->GetXYZ(pos);\r
508 esdCascadeNeg->GetCovarianceXYZPxPyPz(covTr);\r
509 esdCascadeNeg->GetESDpid(pid);\r
510 \r
511 \r
512 if (!usedTrack[idxNegFromV0Dghter]) {\r
513 usedTrack[idxNegFromV0Dghter] = kTRUE;\r
514 \r
515 UInt_t selectInfo = 0;\r
9eeae5d5 516 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdCascadeNeg);\r
f7ed7e88 517 if(mcH)mcH->SelectParticle(esdCascadeNeg->GetLabel());\r
518 aodTrack = new(tracks[jTracks++]) AliAODTrack( esdCascadeNeg->GetID(),\r
519 esdCascadeNeg->GetLabel(),\r
520 momNeg,\r
521 kTRUE,\r
522 pos,\r
523 kFALSE, // Why kFALSE for "isDCA" ? FIXME\r
524 covTr, \r
525 (Short_t)esdCascadeNeg->GetSign(),\r
526 esdCascadeNeg->GetITSClusterMap(), \r
527 pid,\r
528 vV0FromCascade,\r
529 kTRUE, // usedForVtxFit = kFALSE ? FIXME\r
530 vtx->UsesTrack(esdCascadeNeg->GetID()),\r
531 AliAODTrack::kSecondary,\r
532 selectInfo);\r
f2f21b24 533 aodTrack->SetTPCClusterMap(esdCascadeNeg->GetTPCClusterMap());\r
534 aodTrack->SetTPCSharedMap (esdCascadeNeg->GetTPCSharedMap());\r
40a060e5 535 aodTrack->SetChi2perNDF(Chi2perNDF(esdCascadeNeg));\r
f7ed7e88 536 aodTrackRefs->AddAt(aodTrack,idxNegFromV0Dghter);\r
537 \r
538 if (esdCascadeNeg->GetSign() > 0) nPosTracks++;\r
539 aodTrack->ConvertAliPIDtoAODPID();\r
540 aodTrack->SetFlags(esdCascadeNeg->GetStatus());\r
541 SetAODPID(esdCascadeNeg,aodTrack,detpid,timezero,esd->GetMagneticField());\r
542 }\r
543 else {\r
544 aodTrack = dynamic_cast<AliAODTrack*>(aodTrackRefs->At(idxNegFromV0Dghter));\r
545 }\r
546 \r
547 vV0FromCascade->AddDaughter(aodTrack);\r
548 \r
549 \r
550 // 4.A.4 - Add the V0 from cascade to the V0 array\r
551\r
552 Double_t dcaV0Daughters = esdV0FromCascade->GetDcaV0Daughters();\r
553 Double_t dcaV0ToPrimVertex = esdV0FromCascade->GetD( esd->GetPrimaryVertex()->GetX(),\r
554 esd->GetPrimaryVertex()->GetY(),\r
555 esd->GetPrimaryVertex()->GetZ() );\r
556 esdV0FromCascade->GetPPxPyPz( momPosAtV0vtx[0],momPosAtV0vtx[1],momPosAtV0vtx[2] ); \r
557 esdV0FromCascade->GetNPxPyPz( momNegAtV0vtx[0],momNegAtV0vtx[1],momNegAtV0vtx[2] ); \r
558 \r
559 Double_t dcaDaughterToPrimVertex[2] = { 999., 999.}; // ..[0] = DCA in (x,y) for Pos and ..[1] = Neg\r
560 dcaDaughterToPrimVertex[0] = TMath::Abs(esdCascadePos->GetD( esd->GetPrimaryVertex()->GetX(),\r
561 esd->GetPrimaryVertex()->GetY(),\r
562 esd->GetMagneticField()) );\r
563 dcaDaughterToPrimVertex[1] = TMath::Abs(esdCascadeNeg->GetD( esd->GetPrimaryVertex()->GetX(),\r
564 esd->GetPrimaryVertex()->GetY(),\r
565 esd->GetMagneticField()) );\r
566 \r
567 aodV0 = new(v0s[jV0s++]) AliAODv0( vV0FromCascade, \r
568 dcaV0Daughters,\r
569 dcaV0ToPrimVertex, \r
570 momPosAtV0vtx, \r
571 momNegAtV0vtx, \r
572 dcaDaughterToPrimVertex); \r
573 // set the aod v0 on-the-fly status\r
574 aodV0->SetOnFlyStatus(esdV0FromCascade->GetOnFlyStatus());\r
575\r
576 // Add the aodV0 to the aodVORefs\r
577 aodV0Refs->AddAt(aodV0,idxV0FromCascade);\r
578 \r
579 usedV0[idxV0FromCascade] = kTRUE;\r
580\r
581 } else { \r
582 // 4.B - if V0 structure already used\r
583\r
584 // Note :\r
585 // one V0 can be used by several cascades (frequent in PbPb evts) : \r
586 // same V0 which used but attached to different bachelor tracks\r
587 // -> aodVORefs and aodV0VtxRefs are needed.\r
588 // Goal : avoid a redundancy of the info in "Vertices" and "v0s" clones array.\r
589 \r
590 vV0FromCascade = dynamic_cast<AliAODVertex*>( aodV0VtxRefs->At(idxV0FromCascade) );\r
591 aodV0 = dynamic_cast<AliAODv0*> ( aodV0Refs ->At(idxV0FromCascade) );\r
592 \r
593 // - Treatment of the parent for such a "re-used" V0 :\r
594 // Insert the cascade that reuses the V0 vertex in the lineage chain\r
595 // Before : vV0 -> vCascade1 -> vPrimary\r
596 // - Hyp : cascade2 uses the same V0 as cascade1\r
597 // After : vV0 -> vCascade2 -> vCascade1 -> vPrimary\r
598 \r
599 AliAODVertex *vCascadePreviousParent = dynamic_cast<AliAODVertex*> (vV0FromCascade->GetParent());\r
600 vV0FromCascade->SetParent(vCascade);\r
601 vCascade ->SetParent(vCascadePreviousParent);\r
602\r
603 if(fDebug > 2) \r
604 printf("---- Cascade / Lineage insertion\n"\r
605 "Parent of V0 vtx = Cascade vtx %p\n"\r
606 "Parent of the cascade vtx = Cascade vtx %p\n"\r
607 "Parent of the parent cascade vtx = Cascade vtx %p\n", \r
608 static_cast<void*> (vV0FromCascade->GetParent()),\r
609 static_cast<void*> (vCascade->GetParent()),\r
610 static_cast<void*> (vCascadePreviousParent->GetParent()) );\r
611 \r
612 }// end if V0 structure already used\r
613\r
614 if (fDebug > 2) {\r
615 printf("---- Cascade / V0 vertex: \n");\r
616 vV0FromCascade->Print();\r
617 }\r
618\r
619 if (fDebug > 4) {\r
620 printf("---- Cascade / pos dghter : \n");\r
621 aodTrack->Print();\r
622 printf("---- Cascade / neg dghter : \n");\r
623 aodTrack->Print();\r
624 printf("---- Cascade / aodV0 : \n");\r
625 aodV0->Print();\r
626 }\r
627\r
628 // In any case (used V0 or not), add the V0 vertex to the cascade one.\r
629 vCascade->AddDaughter(vV0FromCascade); \r
630 \r
631 \r
632 // 5 - Add the primary track of the cascade (if any)\r
633\r
634\r
635 // 6 - Add the cascade to the AOD array of cascades\r
636\r
637 Double_t dcaBachToPrimVertexXY = TMath::Abs(esdCascadeBach->GetD(esd->GetPrimaryVertex()->GetX(),\r
638 esd->GetPrimaryVertex()->GetY(),\r
639 esd->GetMagneticField()) );\r
640\r
641 esdCascade->GetBPxPyPz(momBachAtCascadeVtx[0], momBachAtCascadeVtx[1], momBachAtCascadeVtx[2]);\r
642\r
643 aodCascade = new(cascades[jCascades++]) AliAODcascade( vCascade,\r
644 esdCascade->Charge(),\r
645 esdCascade->GetDcaXiDaughters(),\r
646 -999.,\r
647 // DCAXiToPrimVtx -> needs to be calculated ----|\r
648 // doesn't exist at ESD level;\r
649 // See AODcascade::DcaXiToPrimVertex(Double, Double, Double)\r
650 dcaBachToPrimVertexXY,\r
651 momBachAtCascadeVtx,\r
652 *aodV0);\r
653 \r
654 if (fDebug > 3) {\r
655 printf("---- Cascade / AOD cascade : \n\n");\r
656 aodCascade->PrintXi(primary->GetX(), primary->GetY(), primary->GetZ());\r
657 }\r
658\r
659 } // end of the loop on cascades\r
660\r
661 cascades.Expand(jCascades);\r
662\r
663\r
664 //\r
665 // V0s\r
666 //\r
667 \r
668 for (Int_t nV0 = 0; nV0 < nV0s; ++nV0) {\r
669 \r
670 if (usedV0[nV0]) continue; // skip if already added to the AOD\r
671 \r
672 AliESDv0 *v0 = esd->GetV0(nV0);\r
673 Int_t posFromV0 = v0->GetPindex();\r
674 Int_t negFromV0 = v0->GetNindex();\r
675 \r
676 // V0 selection \r
677 //\r
678 AliESDVertex *esdVtx = new AliESDVertex(*(esd->GetPrimaryVertex()));\r
679 AliESDtrack *esdV0Pos = esd->GetTrack(posFromV0);\r
680 AliESDtrack *esdV0Neg = esd->GetTrack(negFromV0);\r
681 TList v0objects;\r
682 v0objects.AddAt(v0, 0);\r
683 v0objects.AddAt(esdV0Pos, 1);\r
684 v0objects.AddAt(esdV0Neg, 2);\r
685 v0objects.AddAt(esdVtx, 3);\r
686 UInt_t selectV0 = 0;\r
687 if (fV0Filter) {\r
9eeae5d5 688 selectV0 = fV0Filter->IsSelected(&v0objects);\r
f7ed7e88 689 // this is a little awkward but otherwise the \r
690 // list wants to access the pointer (delete it) \r
691 // again when going out of scope\r
692 delete v0objects.RemoveAt(3); // esdVtx created via copy construct\r
693 esdVtx = 0;\r
694 if (!selectV0) \r
695 continue;\r
696 }\r
697 else{\r
698 delete v0objects.RemoveAt(3); // esdVtx created via copy construct\r
699 esdVtx = 0;\r
700 }\r
701 \r
702 v0->GetXYZ(pos[0], pos[1], pos[2]);\r
703\r
704 if (!old) {\r
705 chi2 = v0->GetChi2V0(); // = chi2/NDF since NDF = 2*2-3\r
706 v0->GetPosCov(covVtx);\r
707 } else {\r
708 chi2 = -999.;\r
709 for (Int_t i = 0; i < 6; i++) covVtx[i] = 0.;\r
710 }\r
711\r
712\r
713 AliAODVertex * vV0 = \r
714 new(vertices[jVertices++]) AliAODVertex(pos,\r
715 covVtx,\r
716 chi2,\r
717 primary,\r
718 nV0,\r
719 AliAODVertex::kV0);\r
720 primary->AddDaughter(vV0);\r
721 \r
722\r
723 // Add the positive tracks from the V0\r
724 \r
725 esdV0Pos->GetPxPyPz(momPos);\r
726 esdV0Pos->GetXYZ(pos);\r
727 esdV0Pos->GetCovarianceXYZPxPyPz(covTr);\r
728 esdV0Pos->GetESDpid(pid);\r
729 \r
730 if (!usedTrack[posFromV0]) {\r
731 usedTrack[posFromV0] = kTRUE;\r
732 UInt_t selectInfo = 0;\r
9eeae5d5 733 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdV0Pos);\r
f7ed7e88 734 if(mcH)mcH->SelectParticle(esdV0Pos->GetLabel());\r
735 aodTrack = new(tracks[jTracks++]) AliAODTrack(esdV0Pos->GetID(),\r
736 esdV0Pos->GetLabel(), \r
737 momPos, \r
738 kTRUE,\r
739 pos,\r
740 kFALSE,\r
741 covTr, \r
742 (Short_t)esdV0Pos->GetSign(),\r
743 esdV0Pos->GetITSClusterMap(), \r
744 pid,\r
745 vV0,\r
746 kTRUE, // check if this is right\r
747 vtx->UsesTrack(esdV0Pos->GetID()),\r
748 AliAODTrack::kSecondary,\r
749 selectInfo);\r
f2f21b24 750 aodTrack->SetTPCClusterMap(esdV0Pos->GetTPCClusterMap());\r
751 aodTrack->SetTPCSharedMap (esdV0Pos->GetTPCSharedMap());\r
40a060e5 752 aodTrack->SetChi2perNDF(Chi2perNDF(esdV0Pos));\r
f7ed7e88 753 aodTrackRefs->AddAt(aodTrack,posFromV0);\r
754 // if (fDebug > 0) printf("-------------------Bo: pos track from original pt %.3f \n",aodTrack->Pt());\r
755 if (esdV0Pos->GetSign() > 0) nPosTracks++;\r
756 aodTrack->ConvertAliPIDtoAODPID();\r
757 aodTrack->SetFlags(esdV0Pos->GetStatus());\r
758 SetAODPID(esdV0Pos,aodTrack,detpid,timezero,esd->GetMagneticField());\r
759 }\r
760 else {\r
761 aodTrack = dynamic_cast<AliAODTrack*>(aodTrackRefs->At(posFromV0));\r
762 // if (fDebug > 0) printf("-------------------Bo pos track from refArray pt %.3f \n",aodTrack->Pt());\r
763 }\r
764 vV0->AddDaughter(aodTrack);\r
765 \r
766 // Add the negative tracks from the V0\r
767 \r
768 esdV0Neg->GetPxPyPz(momNeg);\r
769 esdV0Neg->GetXYZ(pos);\r
770 esdV0Neg->GetCovarianceXYZPxPyPz(covTr);\r
771 esdV0Neg->GetESDpid(pid);\r
772 \r
773 if (!usedTrack[negFromV0]) {\r
774 usedTrack[negFromV0] = kTRUE;\r
775 UInt_t selectInfo = 0;\r
9eeae5d5 776 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdV0Neg);\r
f7ed7e88 777 if(mcH)mcH->SelectParticle(esdV0Neg->GetLabel());\r
778 aodTrack = new(tracks[jTracks++]) AliAODTrack(esdV0Neg->GetID(),\r
779 esdV0Neg->GetLabel(),\r
780 momNeg,\r
781 kTRUE,\r
782 pos,\r
783 kFALSE,\r
784 covTr, \r
785 (Short_t)esdV0Neg->GetSign(),\r
786 esdV0Neg->GetITSClusterMap(), \r
787 pid,\r
788 vV0,\r
789 kTRUE, // check if this is right\r
790 vtx->UsesTrack(esdV0Neg->GetID()),\r
791 AliAODTrack::kSecondary,\r
792 selectInfo);\r
f2f21b24 793 aodTrack->SetTPCClusterMap(esdV0Neg->GetTPCClusterMap());\r
794 aodTrack->SetTPCSharedMap (esdV0Neg->GetTPCSharedMap());\r
40a060e5 795 aodTrack->SetChi2perNDF(Chi2perNDF(esdV0Neg));\r
f7ed7e88 796 \r
797 aodTrackRefs->AddAt(aodTrack,negFromV0);\r
798 // if (fDebug > 0) printf("-------------------Bo: neg track from original pt %.3f \n",aodTrack->Pt());\r
799 if (esdV0Neg->GetSign() > 0) nPosTracks++;\r
800 aodTrack->ConvertAliPIDtoAODPID();\r
801 aodTrack->SetFlags(esdV0Neg->GetStatus());\r
802 SetAODPID(esdV0Neg,aodTrack,detpid,timezero,esd->GetMagneticField());\r
803 }\r
804 else {\r
805 aodTrack = dynamic_cast<AliAODTrack*>(aodTrackRefs->At(negFromV0));\r
806 // if (fDebug > 0) printf("-------------------Bo neg track from refArray pt %.3f \n",aodTrack->Pt());\r
807 }\r
808 vV0->AddDaughter(aodTrack);\r
809\r
810\r
811 // Add the V0 the V0 array as well\r
812 \r
813 Double_t dcaV0Daughters = v0->GetDcaV0Daughters();\r
814 Double_t dcaV0ToPrimVertex = v0->GetD(esd->GetPrimaryVertex()->GetX(),\r
815 esd->GetPrimaryVertex()->GetY(),\r
816 esd->GetPrimaryVertex()->GetZ());\r
817 v0->GetPPxPyPz(momPosAtV0vtx[0],momPosAtV0vtx[1],momPosAtV0vtx[2]); \r
818 v0->GetNPxPyPz(momNegAtV0vtx[0],momNegAtV0vtx[1],momNegAtV0vtx[2]); \r
819 \r
820 Double_t dcaDaughterToPrimVertex[2] = { 999., 999.}; // ..[0] = DCA in (x,y) for Pos and ..[1] = Neg\r
821 dcaDaughterToPrimVertex[0] = TMath::Abs(esdV0Pos->GetD( esd->GetPrimaryVertex()->GetX(),\r
822 esd->GetPrimaryVertex()->GetY(),\r
823 esd->GetMagneticField()) );\r
824 dcaDaughterToPrimVertex[1] = TMath::Abs(esdV0Neg->GetD( esd->GetPrimaryVertex()->GetX(),\r
825 esd->GetPrimaryVertex()->GetY(),\r
826 esd->GetMagneticField()) );\r
827 \r
828 aodV0 = new(v0s[jV0s++]) AliAODv0(vV0, \r
829 dcaV0Daughters,\r
830 dcaV0ToPrimVertex,\r
831 momPosAtV0vtx,\r
832 momNegAtV0vtx,\r
833 dcaDaughterToPrimVertex);\r
834\r
835 // set the aod v0 on-the-fly status\r
836 aodV0->SetOnFlyStatus(v0->GetOnFlyStatus());\r
837 }//End of loop on V0s \r
838\r
839 v0s.Expand(jV0s); \r
840\r
841 if (fDebug > 0) printf(" NAODCascades=%d / NAODV0s=%d\n", jCascades, jV0s);\r
842 // end of V0 parts\r
843\r
844\r
845 // Kinks: it is a big mess the access to the information in the kinks\r
846 // The loop is on the tracks in order to find the mother and daugther of each kink\r
847 \r
848 \r
849 for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) {\r
850 \r
851 AliESDtrack * esdTrack = esd->GetTrack(iTrack);\r
852 \r
853 Int_t ikink = esdTrack->GetKinkIndex(0);\r
854 \r
855 if (ikink && nKinks) {\r
856 // Negative kink index: mother, positive: daughter\r
857 \r
858 // Search for the second track of the kink\r
859 \r
860 for (Int_t jTrack = iTrack+1; jTrack<nTracks; ++jTrack) {\r
861 \r
862 AliESDtrack * esdTrack1 = esd->GetTrack(jTrack);\r
863 \r
864 Int_t jkink = esdTrack1->GetKinkIndex(0);\r
865 \r
866 if ( TMath::Abs(ikink)==TMath::Abs(jkink) ) {\r
867 \r
868 // The two tracks are from the same kink\r
869 \r
870 if (usedKink[TMath::Abs(ikink)-1]) continue; // skip used kinks\r
871 \r
872 Int_t imother = -1;\r
873 Int_t idaughter = -1;\r
874 \r
875 if (ikink<0 && jkink>0) {\r
876 \r
877 imother = iTrack;\r
878 idaughter = jTrack;\r
879 }\r
880 else if (ikink>0 && jkink<0) {\r
881 \r
882 imother = jTrack;\r
883 idaughter = iTrack;\r
884 }\r
885 else {\r
886// cerr << "Error: Wrong combination of kink indexes: "\r
887// << ikink << " " << jkink << endl;\r
888 continue;\r
889 }\r
890 \r
891 // Add the mother track if it passed primary track selection cuts\r
892 \r
893 AliAODTrack * mother = NULL;\r
894 \r
895 UInt_t selectInfo = 0;\r
896 if (fTrackFilter) {\r
9eeae5d5 897 selectInfo = fTrackFilter->IsSelected(esd->GetTrack(imother));\r
f7ed7e88 898 if (!selectInfo) continue;\r
899 }\r
900 \r
901 if (!usedTrack[imother]) {\r
902 \r
903 usedTrack[imother] = kTRUE;\r
904 \r
905 AliESDtrack *esdTrackM = esd->GetTrack(imother);\r
906 esdTrackM->GetPxPyPz(p);\r
907 esdTrackM->GetXYZ(pos);\r
908 esdTrackM->GetCovarianceXYZPxPyPz(covTr);\r
909 esdTrackM->GetESDpid(pid);\r
910 if(mcH)mcH->SelectParticle(esdTrackM->GetLabel());\r
911 mother = \r
912 new(tracks[jTracks++]) AliAODTrack(esdTrackM->GetID(),\r
913 esdTrackM->GetLabel(),\r
914 p,\r
915 kTRUE,\r
916 pos,\r
917 kFALSE,\r
918 covTr, \r
919 (Short_t)esdTrackM->GetSign(),\r
920 esdTrackM->GetITSClusterMap(), \r
921 pid,\r
922 primary,\r
923 kTRUE, // check if this is right\r
924 vtx->UsesTrack(esdTrack->GetID()),\r
925 AliAODTrack::kPrimary,\r
926 selectInfo);\r
f2f21b24 927 mother->SetTPCClusterMap(esdTrackM->GetTPCClusterMap());\r
928 mother->SetTPCSharedMap (esdTrackM->GetTPCSharedMap());\r
40a060e5 929 mother->SetChi2perNDF(Chi2perNDF(esdTrackM));\r
930\r
f7ed7e88 931 aodTrackRefs->AddAt(mother, imother);\r
932 \r
933 if (esdTrackM->GetSign() > 0) nPosTracks++;\r
934 mother->SetFlags(esdTrackM->GetStatus());\r
935 mother->ConvertAliPIDtoAODPID();\r
936 primary->AddDaughter(mother);\r
937 mother->ConvertAliPIDtoAODPID();\r
938 SetAODPID(esdTrackM,mother,detpid,timezero,esd->GetMagneticField());\r
939 }\r
940 else {\r
941// cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1\r
942// << " track " << imother << " has already been used!" << endl;\r
943 }\r
944 \r
945 // Add the kink vertex\r
946 AliESDkink * kink = esd->GetKink(TMath::Abs(ikink)-1);\r
947 \r
948 AliAODVertex * vkink = \r
949 new(vertices[jVertices++]) AliAODVertex(kink->GetPosition(),\r
950 NULL,\r
951 0.,\r
952 mother,\r
953 esdTrack->GetID(), // This is the track ID of the mother's track!\r
954 AliAODVertex::kKink);\r
955 // Add the daughter track\r
956 \r
957 AliAODTrack * daughter = NULL;\r
958 \r
959 if (!usedTrack[idaughter]) {\r
960 \r
961 usedTrack[idaughter] = kTRUE;\r
962 \r
963 AliESDtrack *esdTrackD = esd->GetTrack(idaughter);\r
964 esdTrackD->GetPxPyPz(p);\r
965 esdTrackD->GetXYZ(pos);\r
966 esdTrackD->GetCovarianceXYZPxPyPz(covTr);\r
967 esdTrackD->GetESDpid(pid);\r
968 selectInfo = 0;\r
9eeae5d5 969 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdTrackD);\r
f7ed7e88 970 if(mcH)mcH->SelectParticle(esdTrackD->GetLabel());\r
971 daughter = \r
972 new(tracks[jTracks++]) AliAODTrack(esdTrackD->GetID(),\r
973 esdTrackD->GetLabel(),\r
974 p,\r
975 kTRUE,\r
976 pos,\r
977 kFALSE,\r
978 covTr, \r
979 (Short_t)esdTrackD->GetSign(),\r
980 esdTrackD->GetITSClusterMap(), \r
981 pid,\r
982 vkink,\r
983 kTRUE, // check if this is right\r
984 vtx->UsesTrack(esdTrack->GetID()),\r
985 AliAODTrack::kSecondary,\r
986 selectInfo);\r
f2f21b24 987 daughter->SetTPCClusterMap(esdTrackD->GetTPCClusterMap());\r
988 daughter->SetTPCSharedMap (esdTrackD->GetTPCSharedMap());\r
f7ed7e88 989 aodTrackRefs->AddAt(daughter, idaughter);\r
990 \r
991 if (esdTrackD->GetSign() > 0) nPosTracks++;\r
992 daughter->SetFlags(esdTrackD->GetStatus());\r
993 daughter->ConvertAliPIDtoAODPID();\r
994 vkink->AddDaughter(daughter);\r
995 daughter->ConvertAliPIDtoAODPID();\r
996 SetAODPID(esdTrackD,daughter,detpid,timezero,esd->GetMagneticField());\r
997 }\r
998 else {\r
999// cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1\r
1000// << " track " << idaughter << " has already been used!" << endl;\r
1001 }\r
1002 }\r
1003 }\r
1004 } \r
1005 }\r
1006 \r
1007 \r
1008 // Tracks (primary and orphan)\r
1009\r
1010 if (fDebug > 0) printf("NUMBER OF ESD TRACKS %5d\n", nTracks);\r
1011 \r
1012 for (Int_t nTrack = 0; nTrack < nTracks; ++nTrack) {\r
1013 \r
1014 \r
1015 if (usedTrack[nTrack]) continue;\r
1016\r
1017 AliESDtrack *esdTrack = esd->GetTrack(nTrack);\r
1018 UInt_t selectInfo = 0;\r
1019 //\r
1020 // Track selection\r
1021 if (fTrackFilter) {\r
9eeae5d5 1022 selectInfo = fTrackFilter->IsSelected(esdTrack);\r
f7ed7e88 1023 if (!selectInfo && !vtx->UsesTrack(esdTrack->GetID())) continue;\r
1024 }\r
1025 \r
1026 //\r
1027 esdTrack->GetPxPyPz(p);\r
1028 esdTrack->GetXYZ(pos);\r
1029 esdTrack->GetCovarianceXYZPxPyPz(covTr);\r
1030 esdTrack->GetESDpid(pid);\r
1031 if(mcH)mcH->SelectParticle(esdTrack->GetLabel());\r
1032 primary->AddDaughter(aodTrack =\r
1033 new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),\r
1034 esdTrack->GetLabel(),\r
1035 p,\r
1036 kTRUE,\r
1037 pos,\r
1038 kFALSE,\r
1039 covTr, \r
1040 (Short_t)esdTrack->GetSign(),\r
1041 esdTrack->GetITSClusterMap(), \r
1042 pid,\r
1043 primary,\r
1044 kTRUE, // check if this is right\r
1045 vtx->UsesTrack(esdTrack->GetID()),\r
1046 AliAODTrack::kPrimary, \r
1047 selectInfo)\r
1048 );\r
f2f21b24 1049 aodTrack->SetTPCClusterMap(esdTrack->GetTPCClusterMap());\r
1050 aodTrack->SetTPCSharedMap (esdTrack->GetTPCSharedMap());\r
40a060e5 1051 aodTrack->SetChi2perNDF(Chi2perNDF(esdTrack));\r
1052\r
f7ed7e88 1053 aodTrackRefs->AddAt(aodTrack, nTrack);\r
f2f21b24 1054\r
f7ed7e88 1055 \r
1056 if (esdTrack->GetSign() > 0) nPosTracks++;\r
1057 aodTrack->SetFlags(esdTrack->GetStatus());\r
1058 aodTrack->ConvertAliPIDtoAODPID();\r
1059 SetAODPID(esdTrack,aodTrack,detpid,timezero,esd->GetMagneticField());\r
1060 } // end of loop on tracks\r
1061 \r
1062 // Update number of AOD tracks in header at the end of track loop (M.G.)\r
1063 header->SetRefMultiplicity(jTracks);\r
1064 header->SetRefMultiplicityPos(nPosTracks);\r
1065 header->SetRefMultiplicityNeg(jTracks - nPosTracks);\r
1066 if (fDebug > 0) \r
1067 printf(" NAODTRACKS=%d NPOS=%d NNEG=%d\n", jTracks, nPosTracks, jTracks - nPosTracks);\r
1068 // Do not shrink the array of tracks - other filters may add to it (M.G)\r
1069 // tracks.Expand(jTracks); // remove 'empty slots' due to unwritten tracks\r
1070 \r
1071 // Access to the AOD container of PMD clusters\r
1072 TClonesArray &pmdClusters = *(AODEvent()->GetPmdClusters());\r
1073 Int_t jPmdClusters=0;\r
1074 \r
1075 for (Int_t iPmd = 0; iPmd < nPmdClus; ++iPmd) {\r
1076 // file pmd clusters, to be revised!\r
1077 AliESDPmdTrack *pmdTrack = esd->GetPmdTrack(iPmd);\r
1078 Int_t nLabel = 0;\r
1079 Int_t *label = 0x0;\r
1080 Double_t posPmd[3] = { pmdTrack->GetClusterX(), pmdTrack->GetClusterY(), pmdTrack->GetClusterZ()};\r
1081 Double_t pidPmd[13] = { 0.}; // to be revised!\r
1082 // type not set!\r
1083 // assoc cluster not set\r
1084 new(pmdClusters[jPmdClusters++]) AliAODPmdCluster(iPmd, nLabel, label, pmdTrack->GetClusterADC(), posPmd, pidPmd);\r
1085 }\r
1086\r
1087 // Access to the AOD container of clusters\r
1088 TClonesArray &caloClusters = *(AODEvent()->GetCaloClusters());\r
1089 Int_t jClusters=0;\r
1090 \r
1091 for (Int_t iClust=0; iClust<nCaloClus; ++iClust) {\r
1092\r
1093 AliESDCaloCluster * cluster = esd->GetCaloCluster(iClust);\r
1094\r
1095 Int_t id = cluster->GetID();\r
1096 Int_t nLabel = cluster->GetNLabels();\r
1097 TArrayI* labels = cluster->GetLabels();\r
1098 Int_t *label = 0;\r
1099 if (labels){\r
1100 label = (cluster->GetLabels())->GetArray();\r
1101 for(int i = 0;i < labels->GetSize();++i){\r
1102 if(mcH)mcH->SelectParticle(label[i]);\r
1103 }\r
1104 } \r
1105\r
1106 Float_t energy = cluster->E();\r
1107 cluster->GetPosition(posF);\r
1108 Char_t ttype = AliAODCluster::kUndef; \r
1109\r
1110 if (cluster->GetClusterType() == AliESDCaloCluster::kPHOSCluster) {\r
1111 ttype=AliAODCluster::kPHOSNeutral;\r
1112 } \r
1113 else if (cluster->GetClusterType() == AliESDCaloCluster::kEMCALClusterv1) {\r
1114 ttype = AliAODCluster::kEMCALClusterv1;\r
1115 }\r
1116\r
1117 \r
1118 AliAODCaloCluster *caloCluster = new(caloClusters[jClusters++]) AliAODCaloCluster(id,\r
1119 nLabel,\r
1120 label,\r
1121 energy,\r
1122 posF,\r
1123 NULL,\r
1124 ttype);\r
1125 \r
1126 caloCluster->SetCaloCluster(cluster->GetDistanceToBadChannel(),\r
1127 cluster->GetClusterDisp(),\r
1128 cluster->GetM20(), cluster->GetM02(),\r
1129 cluster->GetEmcCpvDistance(), \r
1130 cluster->GetNExMax(),cluster->GetTOF()) ;\r
1131\r
1132 caloCluster->SetPIDFromESD(cluster->GetPid());\r
1133 caloCluster->SetNCells(cluster->GetNCells());\r
1134 caloCluster->SetCellsAbsId(cluster->GetCellsAbsId());\r
1135 caloCluster->SetCellsAmplitudeFraction(cluster->GetCellsAmplitudeFraction());\r
1136\r
1137 TArrayI* matchedT = cluster->GetTracksMatched();\r
1138 if (nTracks>0 && matchedT && cluster->GetTrackMatched() >= 0) { \r
1139 for (Int_t im = 0; im < matchedT->GetSize(); im++) {\r
1140 Int_t iESDtrack = matchedT->At(im);;\r
1141 if (aodTrackRefs->At(iESDtrack) != 0) {\r
1142 caloCluster->AddTrackMatched((AliAODTrack*)aodTrackRefs->At(iESDtrack));\r
1143 }\r
1144 }\r
1145 }\r
1146 \r
1147 } \r
1148 caloClusters.Expand(jClusters); // resize TObjArray to 'remove' slots for pseudo clusters \r
1149 // end of loop on calo clusters\r
1150\r
1151 // fill EMCAL cell info\r
1152 if (esd->GetEMCALCells()) { // protection against missing ESD information\r
1153 AliESDCaloCells &esdEMcells = *(esd->GetEMCALCells());\r
1154 Int_t nEMcell = esdEMcells.GetNumberOfCells() ;\r
1155 \r
1156 AliAODCaloCells &aodEMcells = *(AODEvent()->GetEMCALCells());\r
1157 aodEMcells.CreateContainer(nEMcell);\r
1158 aodEMcells.SetType(AliAODCaloCells::kEMCAL);\r
1159 for (Int_t iCell = 0; iCell < nEMcell; iCell++) { \r
1160 aodEMcells.SetCell(iCell,esdEMcells.GetCellNumber(iCell),esdEMcells.GetAmplitude(iCell));\r
1161 }\r
1162 aodEMcells.Sort();\r
1163 }\r
1164\r
1165 // fill PHOS cell info\r
1166 if (esd->GetPHOSCells()) { // protection against missing ESD information\r
1167 AliESDCaloCells &esdPHcells = *(esd->GetPHOSCells());\r
1168 Int_t nPHcell = esdPHcells.GetNumberOfCells() ;\r
1169 \r
1170 AliAODCaloCells &aodPHcells = *(AODEvent()->GetPHOSCells());\r
1171 aodPHcells.CreateContainer(nPHcell);\r
1172 aodPHcells.SetType(AliAODCaloCells::kPHOS);\r
1173 for (Int_t iCell = 0; iCell < nPHcell; iCell++) { \r
1174 aodPHcells.SetCell(iCell,esdPHcells.GetCellNumber(iCell),esdPHcells.GetAmplitude(iCell));\r
1175 }\r
1176 aodPHcells.Sort();\r
1177 }\r
1178\r
1179 // tracklets \r
1180 AliAODTracklets &SPDTracklets = *(AODEvent()->GetTracklets());\r
1181 const AliMultiplicity *mult = esd->GetMultiplicity();\r
1182 if (mult) {\r
1183 if (mult->GetNumberOfTracklets()>0) {\r
1184 SPDTracklets.CreateContainer(mult->GetNumberOfTracklets());\r
1185\r
1186 for (Int_t n=0; n<mult->GetNumberOfTracklets(); n++) {\r
1187 if(mcH){\r
1188 mcH->SelectParticle(mult->GetLabel(n, 0));\r
1189 mcH->SelectParticle(mult->GetLabel(n, 1));\r
1190 }\r
1191 SPDTracklets.SetTracklet(n, mult->GetTheta(n), mult->GetPhi(n), mult->GetDeltaPhi(n), mult->GetLabel(n, 0),mult->GetLabel(n, 1));\r
1192 }\r
1193 }\r
1194 } else {\r
1195 //Printf("ERROR: AliMultiplicity could not be retrieved from ESD");\r
1196 }\r
1197\r
1198 delete [] usedKink;\r
1199 delete [] usedV0;\r
1200 delete [] usedTrack; \r
1201 delete aodV0Refs;\r
1202 delete aodV0VtxRefs;\r
1203 delete aodTrackRefs;\r
1204\r
1205 return;\r
1206}\r
1207\r
1208\r
1209void AliAnalysisTaskESDfilter::SetAODPID(AliESDtrack *esdtrack, AliAODTrack *aodtrack, AliAODPid *detpid, Double_t timezero, Double_t bfield)\r
1210{\r
1211 //\r
1212 // Setter for the raw PID detector signals\r
1213 //\r
1214\r
1215 // Save PID object for candidate electrons\r
1216 Bool_t pidSave = kFALSE;\r
1217 if (fTrackFilter) {\r
1218 Bool_t selectInfo = fTrackFilter->IsSelected("Electrons");\r
1219 if (selectInfo) pidSave = kTRUE;\r
1220 }\r
1221\r
1222\r
1223 // Tracks passing pt cut \r
1224 if(esdtrack->Pt()>fHighPthreshold) {\r
1225 pidSave = kTRUE;\r
1226 } else {\r
1227 if(fPtshape){\r
1228 if(esdtrack->Pt()> fPtshape->GetXmin()){\r
1229 Double_t y = fPtshape->Eval(esdtrack->Pt())/fPtshape->Eval(fHighPthreshold);\r
1230 if(gRandom->Rndm(0)<1./y){\r
1231 pidSave = kTRUE;\r
1232 }//end rndm\r
1233 }//end if p < pmin\r
1234 }//end if p function\r
1235 }// end else\r
1236\r
1237 if (pidSave) {\r
6ece2430 1238 if(!aodtrack->GetDetPid()){// prevent memory leak when calling SetAODPID twice for the same track\r
f7ed7e88 1239 detpid = new AliAODPid();\r
1240 SetDetectorRawSignals(detpid,esdtrack,timezero, bfield);\r
1241 aodtrack->SetDetPID(detpid);\r
6ece2430 1242 }\r
f7ed7e88 1243 }\r
1244}\r
1245\r
1246void AliAnalysisTaskESDfilter::SetDetectorRawSignals(AliAODPid *aodpid, AliESDtrack *track, Double_t timezero, Double_t bfield)\r
1247{\r
1248//\r
1249//assignment of the detector signals (AliXXXesdPID inspired)\r
1250//\r
1251 if(!track){\r
1252 AliInfo("no ESD track found. .....exiting");\r
1253 return;\r
1254 }\r
febefa51 1255 // TPC momentum\r
1256 const AliExternalTrackParam *in=track->GetInnerParam();\r
1257 if (in) {\r
1258 aodpid->SetTPCmomentum(in->GetP());\r
1259 }else{\r
1260 aodpid->SetTPCmomentum(-1.);\r
1261 }\r
1262\r
f7ed7e88 1263\r
1264 aodpid->SetITSsignal(track->GetITSsignal());\r
1265 aodpid->SetTPCsignal(track->GetTPCsignal());\r
f7ed7e88 1266\r
febefa51 1267 //n TRD planes = 6\r
f7ed7e88 1268 Int_t nslices = track->GetNumberOfTRDslices()*6;\r
1269 Double_t *trdslices = new Double_t[nslices];\r
1270 for(Int_t iSl =0; iSl < track->GetNumberOfTRDslices(); iSl++) {\r
febefa51 1271 for(Int_t iPl =0; iPl<6; iPl++) trdslices[iPl*track->GetNumberOfTRDslices()+iSl] = track->GetTRDslice(iPl,iSl);\r
1272 }\r
1273 \r
1274//TRD momentum\r
1275 for(Int_t iPl=0;iPl<6;iPl++){\r
1276 Double_t trdmom=track->GetTRDmomentum(iPl);\r
1277 aodpid->SetTRDmomentum(iPl,trdmom);\r
1278 }\r
f7ed7e88 1279\r
1280 aodpid->SetTRDsignal(track->GetNumberOfTRDslices()*6,trdslices);\r
1281 Double_t times[AliAODPid::kSPECIES]; track->GetIntegratedTimes(times);\r
1282 aodpid->SetIntegratedTimes(times);\r
1283\r
1284 aodpid->SetTOFsignal(track->GetTOFsignal()-timezero); // to be fixed\r
1285 aodpid->SetHMPIDsignal(track->GetHMPIDsignal());\r
1286\r
1287 //Extrapolate track to EMCAL surface for AOD-level track-cluster matching\r
1288 Double_t emcpos[3] = {0.,0.,0.};\r
1289 Double_t emcmom[3] = {0.,0.,0.};\r
1290 aodpid->SetEMCALPosition(emcpos);\r
1291 aodpid->SetEMCALMomentum(emcmom);\r
1292\r
1293 AliExternalTrackParam *outerparam = (AliExternalTrackParam*)track->GetOuterParam();\r
1294 if(!outerparam) return;\r
1295\r
1296 //To be replaced by call to AliEMCALGeoUtils when the class becomes available\r
1297 Double_t radius = 441.0; //[cm] EMCAL radius +13cm\r
1298\r
1299 Bool_t okpos = outerparam->GetXYZAt(radius,bfield,emcpos);\r
1300 Bool_t okmom = outerparam->GetPxPyPzAt(radius,bfield,emcmom);\r
1301 if(!(okpos && okmom)) return;\r
1302\r
1303 aodpid->SetEMCALPosition(emcpos);\r
1304 aodpid->SetEMCALMomentum(emcmom);\r
1305\r
1306}\r
1307\r
40a060e5 1308Double_t AliAnalysisTaskESDfilter::Chi2perNDF(AliESDtrack* track)\r
1309{\r
1310 // Calculate chi2 per ndf for track\r
1311 Int_t nClustersTPC = track->GetTPCNcls();\r
1312\r
1313 if ( nClustersTPC > 5) {\r
1314 return (track->GetTPCchi2()/Float_t(nClustersTPC - 5));\r
1315 } else {\r
1316 return (-1.);\r
1317 }\r
1318 }\r
1319\r
1320\r
1321\r
f7ed7e88 1322void AliAnalysisTaskESDfilter::Terminate(Option_t */*option*/)\r
1323{\r
1324// Terminate analysis\r
1325//\r
1326 if (fDebug > 1) printf("AnalysisESDfilter: Terminate() \n");\r
1327}\r
1328\r
1329void AliAnalysisTaskESDfilter::PrintMCInfo(AliStack *pStack,Int_t label){\r
1330 if(!pStack)return;\r
1331 label = TMath::Abs(label);\r
1332 TParticle *part = pStack->Particle(label);\r
1333 Printf("########################");\r
1334 Printf("%s:%d %d UniqueID %d PDG %d P %3.3f",(char*)__FILE__,__LINE__,label,part->GetUniqueID(),part->GetPdgCode(),part->P());\r
1335 part->Print();\r
1336 TParticle* mother = part;\r
1337 Int_t imo = part->GetFirstMother();\r
1338 Int_t nprim = pStack->GetNprimary();\r
1339 // while((imo >= nprim) && (mother->GetUniqueID() == 4)) {\r
1340 while((imo >= nprim)) {\r
1341 mother = pStack->Particle(imo);\r
1342 Printf("Mother %s:%d Label %d UniqueID %d PDG %d P %3.3f",(char*)__FILE__,__LINE__,imo,mother->GetUniqueID(),mother->GetPdgCode(),mother->P());\r
1343 mother->Print();\r
1344 imo = mother->GetFirstMother();\r
1345 }\r
1346 Printf("########################");\r
1347}\r