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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
d3815ca9 81 if(OutputTree()){\r
f7ed7e88 82 OutputTree()->GetUserInfo()->Add(fTrackFilter);\r
d3815ca9 83 }\r
84 else{\r
85 AliError("No OutputTree() for adding the track filter");\r
86 }\r
f7ed7e88 87}\r
88\r
89void AliAnalysisTaskESDfilter::Init()\r
90{\r
91 // Initialization\r
92 if (fDebug > 1) AliInfo("Init() \n");\r
93 // Call configuration file\r
94}\r
95\r
96\r
97void AliAnalysisTaskESDfilter::UserExec(Option_t */*option*/)\r
98{\r
99// Execute analysis for current event\r
100//\r
101 \r
102 Long64_t ientry = Entry();\r
f2f21b24 103 \r
e26c0b71 104 if (fDebug > 0) {\r
f2f21b24 105 printf("Filter: Analysing event # %5d\n", (Int_t) ientry);\r
106 if (fHighPthreshold == 0) AliInfo("detector PID signals are stored in each track");\r
107 if (!fPtshape) AliInfo("detector PID signals are not stored below the pt threshold");\r
e26c0b71 108 }\r
f2f21b24 109 \r
f7ed7e88 110 ConvertESDtoAOD();\r
111}\r
112\r
113void AliAnalysisTaskESDfilter::ConvertESDtoAOD() {\r
114 // ESD Filter analysis task executed for each event\r
115\r
116 AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent());\r
117 AliESD* old = esd->GetAliESDOld();\r
118\r
119 // Fetch Stack for debuggging if available \r
120 AliStack *pStack = 0;\r
121 AliMCEventHandler *mcH = 0;\r
122 if(MCEvent()){\r
123 pStack = MCEvent()->Stack();\r
124 mcH = (AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()); \r
125 }\r
126 // set arrays and pointers\r
127 Float_t posF[3];\r
128 Double_t pos[3];\r
129 Double_t p[3];\r
130 Double_t momPos[3]; \r
131 Double_t momNeg[3];\r
132 Double_t momBach[3];\r
133 Double_t momPosAtV0vtx[3];\r
134 Double_t momNegAtV0vtx[3];\r
135 Double_t momBachAtCascadeVtx[3];\r
136 Double_t covVtx[6];\r
137 Double_t covTr[21];\r
138 Double_t pid[10];\r
139\r
140 for (Int_t i = 0; i < 6; i++) covVtx[i] = 0.;\r
141 for (Int_t i = 0; i < 21; i++) covTr [i] = 0.;\r
142\r
143 \r
144 // loop over events and fill them\r
f7ed7e88 145 // Multiplicity information needed by the header (to be revised!)\r
146 Int_t nTracks = esd->GetNumberOfTracks();\r
95621324 147 for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) esd->GetTrack(iTrack)->SetESDEvent(esd);\r
148\r
f7ed7e88 149 // if (fDebug > 0) printf("-------------------Bo: Number of ESD tracks %d \n",nTracks);\r
150\r
151 Int_t nPosTracks = 0;\r
f7ed7e88 152 \r
153 // Update the header\r
154\r
155 AliAODHeader* header = AODEvent()->GetHeader();\r
f2f21b24 156 \r
f7ed7e88 157 header->SetRunNumber(esd->GetRunNumber());\r
0c6c629b 158 header->SetOfflineTrigger(fInputHandler->IsEventSelected()); // propagate the decision of the physics selection\r
f7ed7e88 159 if (old) {\r
160 header->SetBunchCrossNumber(0);\r
161 header->SetOrbitNumber(0);\r
162 header->SetPeriodNumber(0);\r
163 header->SetEventType(0);\r
f2f21b24 164 header->SetMuonMagFieldScale(-999.);\r
165 header->SetCentrality(-999.); \r
f7ed7e88 166 } else {\r
167 header->SetBunchCrossNumber(esd->GetBunchCrossNumber());\r
168 header->SetOrbitNumber(esd->GetOrbitNumber());\r
169 header->SetPeriodNumber(esd->GetPeriodNumber());\r
170 header->SetEventType(esd->GetEventType());\r
f7ed7e88 171 header->SetCentrality(-999.); // FIXME\r
172 }\r
f2f21b24 173 // Trigger\r
efa1edeb 174 header->SetFiredTriggerClasses(esd->GetFiredTriggerClasses());\r
f7ed7e88 175 header->SetTriggerMask(esd->GetTriggerMask()); \r
176 header->SetTriggerCluster(esd->GetTriggerCluster());\r
f2f21b24 177 \r
178\r
f7ed7e88 179 header->SetMagneticField(esd->GetMagneticField());\r
db7ce896 180 header->SetMuonMagFieldScale(esd->GetCurrentDip()/6000.);\r
f7ed7e88 181 header->SetZDCN1Energy(esd->GetZDCN1Energy());\r
182 header->SetZDCP1Energy(esd->GetZDCP1Energy());\r
183 header->SetZDCN2Energy(esd->GetZDCN2Energy());\r
184 header->SetZDCP2Energy(esd->GetZDCP2Energy());\r
185 header->SetZDCEMEnergy(esd->GetZDCEMEnergy(0),esd->GetZDCEMEnergy(1));\r
f2f21b24 186\r
187 \r
f7ed7e88 188 Float_t diamxy[2]={esd->GetDiamondX(),esd->GetDiamondY()};\r
189 Float_t diamcov[3]; esd->GetDiamondCovXY(diamcov);\r
190 header->SetDiamond(diamxy,diamcov);\r
a98c78e5 191 header->SetDiamondZ(esd->GetDiamondZ(),esd->GetSigma2DiamondZ());\r
f7ed7e88 192//\r
193//\r
194 Int_t nV0s = esd->GetNumberOfV0s();\r
195 Int_t nCascades = esd->GetNumberOfCascades();\r
196 Int_t nKinks = esd->GetNumberOfKinks();\r
197 Int_t nVertices = nV0s + nCascades /*V0 wihtin cascade already counted*/+ nKinks + 1 /* = prim. vtx*/;\r
a98c78e5 198 Int_t nPileSPDVertices=1+esd->GetNumberOfPileupVerticesSPD(); // also SPD main vertex\r
199 Int_t nPileTrkVertices=esd->GetNumberOfPileupVerticesTracks();\r
200 nVertices+=nPileSPDVertices;\r
201 nVertices+=nPileTrkVertices;\r
f7ed7e88 202 Int_t nJets = 0;\r
203 Int_t nCaloClus = esd->GetNumberOfCaloClusters();\r
204 Int_t nFmdClus = 0;\r
205 Int_t nPmdClus = esd->GetNumberOfPmdTracks();\r
206 \r
207 if (fDebug > 0) \r
208 printf(" NV0=%d NCASCADES=%d NKINKS=%d\n", nV0s, nCascades, nKinks);\r
209 \r
210 AODEvent()->ResetStd(nTracks, nVertices, nV0s, nCascades, nJets, nCaloClus, nFmdClus, nPmdClus);\r
211\r
212\r
213 AliAODTrack *aodTrack = 0x0;\r
214 AliAODPid *detpid = 0x0;\r
215 Double_t timezero = 0; //TO BE FIXED\r
216 AliAODVertex *vV0FromCascade = 0x0;\r
217 AliAODv0 *aodV0 = 0x0;\r
218 AliAODcascade *aodCascade = 0x0;\r
219 \r
220 // RefArray to store the mapping between esd track number and newly created AOD-Track\r
221 TRefArray *aodTrackRefs = NULL;\r
222 if (nTracks > 0) aodTrackRefs = new TRefArray(nTracks);\r
223\r
224 // RefArray to store a mapping between esd V0 number and newly created AOD-Vertex V0\r
225 TRefArray *aodV0VtxRefs = NULL;\r
226 if (nV0s > 0) aodV0VtxRefs = new TRefArray(nV0s);\r
227\r
228 // RefArray to store the mapping between esd V0 number and newly created AOD-V0\r
229 TRefArray *aodV0Refs = NULL;\r
230 if (nV0s > 0) aodV0Refs = new TRefArray(nV0s);\r
231\r
232 \r
233\r
234\r
235\r
236 // Array to take into account the tracks already added to the AOD\r
237 Bool_t * usedTrack = NULL;\r
238 if (nTracks>0) {\r
239 usedTrack = new Bool_t[nTracks];\r
240 for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) usedTrack[iTrack]=kFALSE;\r
241 }\r
242 // Array to take into account the V0s already added to the AOD (V0 within cascades)\r
243 Bool_t * usedV0 = NULL;\r
244 if (nV0s>0) {\r
245 usedV0 = new Bool_t[nV0s];\r
246 for (Int_t iV0=0; iV0<nV0s; ++iV0) usedV0[iV0]=kFALSE;\r
247 }\r
248 // Array to take into account the kinks already added to the AOD\r
249 Bool_t * usedKink = NULL;\r
250 if (nKinks>0) {\r
251 usedKink = new Bool_t[nKinks];\r
252 for (Int_t iKink=0; iKink<nKinks; ++iKink) usedKink[iKink]=kFALSE;\r
253 }\r
254 \r
255 // Access to the AOD container of vertices\r
256 TClonesArray &vertices = *(AODEvent()->GetVertices());\r
257 Int_t jVertices=0;\r
258 \r
259 // Access to the AOD container of tracks\r
260 TClonesArray &tracks = *(AODEvent()->GetTracks());\r
261 Int_t jTracks=0; \r
262 \r
263 // Access to the AOD container of Cascades\r
264 TClonesArray &cascades = *(AODEvent()->GetCascades());\r
265 Int_t jCascades=0;\r
266\r
267 // Access to the AOD container of V0s\r
268 TClonesArray &v0s = *(AODEvent()->GetV0s());\r
269 Int_t jV0s=0;\r
270 \r
271 // Add primary vertex. The primary tracks will be defined\r
272 // after the loops on the composite objects (V0, cascades, kinks)\r
273 const AliESDVertex *vtx = esd->GetPrimaryVertex();\r
274 \r
275 vtx->GetXYZ(pos); // position\r
276 vtx->GetCovMatrix(covVtx); //covariance matrix\r
277 \r
278 AliAODVertex * primary = new(vertices[jVertices++])\r
279 AliAODVertex(pos, covVtx, vtx->GetChi2toNDF(), NULL, -1, AliAODVertex::kPrimary);\r
280 primary->SetName(vtx->GetName());\r
281 primary->SetTitle(vtx->GetTitle());\r
1c1c7167 282\r
283 TString vtitle = vtx->GetTitle();\r
284 if (!vtitle.Contains("VertexerTracks")) \r
285 primary->SetNContributors(vtx->GetNContributors());\r
f7ed7e88 286\r
287 if (fDebug > 0) primary->Print();\r
288\r
a98c78e5 289\r
290 // Add SPD "main" vertex \r
291 const AliESDVertex *vtxS = esd->GetPrimaryVertexSPD();\r
292 vtxS->GetXYZ(pos); // position\r
293 vtxS->GetCovMatrix(covVtx); //covariance matrix\r
294 AliAODVertex * mVSPD = new(vertices[jVertices++])\r
295 AliAODVertex(pos, covVtx, vtxS->GetChi2toNDF(), NULL, -1, AliAODVertex::kMainSPD);\r
296 mVSPD->SetName(vtxS->GetName());\r
297 mVSPD->SetTitle(vtxS->GetTitle());\r
298 mVSPD->SetNContributors(vtxS->GetNContributors()); \r
299\r
300 // Add SPD pileup vertices\r
301 for(Int_t iV=0; iV<nPileSPDVertices-1; iV++){\r
302 const AliESDVertex *vtxP = esd->GetPileupVertexSPD(iV);\r
303 vtxP->GetXYZ(pos); // position\r
304 vtxP->GetCovMatrix(covVtx); //covariance matrix\r
305 AliAODVertex * pVSPD = new(vertices[jVertices++])\r
306 AliAODVertex(pos, covVtx, vtxP->GetChi2toNDF(), NULL, -1, AliAODVertex::kPileupSPD);\r
307 pVSPD->SetName(vtxP->GetName());\r
308 pVSPD->SetTitle(vtxP->GetTitle());\r
309 pVSPD->SetNContributors(vtxP->GetNContributors()); \r
310 }\r
311\r
312 // Add TRK pileup vertices\r
313 for(Int_t iV=0; iV<nPileTrkVertices; iV++){\r
314 const AliESDVertex *vtxP = esd->GetPileupVertexTracks(iV);\r
315 vtxP->GetXYZ(pos); // position\r
316 vtxP->GetCovMatrix(covVtx); //covariance matrix\r
317 AliAODVertex * pVTRK = new(vertices[jVertices++])\r
318 AliAODVertex(pos, covVtx, vtxP->GetChi2toNDF(), NULL, -1, AliAODVertex::kPileupTracks);\r
319 pVTRK->SetName(vtxP->GetName());\r
320 pVTRK->SetTitle(vtxP->GetTitle());\r
321 pVTRK->SetNContributors(vtxP->GetNContributors());\r
322 }\r
323\r
f7ed7e88 324 // Create vertices starting from the most complex objects\r
325 Double_t chi2 = 0.;\r
326 \r
327 // Cascades (Modified by A.Maire - February 2009)\r
328 for (Int_t nCascade = 0; nCascade < nCascades; ++nCascade) {\r
329\r
330 if (fDebug > 1) \r
331 printf("\n ******** Cascade number : %d/%d *********\n", nCascade, nCascades);\r
332\r
333 // 0- Preparation\r
334 //\r
335 AliESDcascade *esdCascade = esd->GetCascade(nCascade);\r
336 Int_t idxPosFromV0Dghter = esdCascade->GetPindex();\r
337 Int_t idxNegFromV0Dghter = esdCascade->GetNindex();\r
338 Int_t idxBachFromCascade = esdCascade->GetBindex();\r
339 \r
340 AliESDtrack *esdCascadePos = esd->GetTrack( idxPosFromV0Dghter);\r
341 AliESDtrack *esdCascadeNeg = esd->GetTrack( idxNegFromV0Dghter);\r
342 AliESDtrack *esdCascadeBach = esd->GetTrack( idxBachFromCascade);\r
343\r
344 // Identification of the V0 within the esdCascade (via both daughter track indices)\r
345 AliESDv0 * currentV0 = 0x0;\r
346 Int_t idxV0FromCascade = -1;\r
347 \r
348 for (Int_t iV0=0; iV0<nV0s; ++iV0) {\r
349 \r
350 currentV0 = esd->GetV0(iV0);\r
351 Int_t posCurrentV0 = currentV0->GetPindex();\r
352 Int_t negCurrentV0 = currentV0->GetNindex();\r
353 \r
354 if (posCurrentV0==idxPosFromV0Dghter && negCurrentV0==idxNegFromV0Dghter) {\r
355 idxV0FromCascade = iV0;\r
356 break;\r
357 }\r
358 }\r
359\r
360 if(idxV0FromCascade < 0){\r
361 printf("Cascade - no matching for the V0 (index V0 = -1) ! Skip ... \n");\r
362 continue;\r
363 }// a priori, useless check, but safer ... in case of pb with tracks "out of bounds"\r
364\r
365 if (fDebug > 1) \r
366 printf("Cascade %d - V0fromCascade ind : %d/%d\n", nCascade, idxV0FromCascade, nV0s);\r
367\r
368 AliESDv0 *esdV0FromCascade = esd->GetV0(idxV0FromCascade);\r
369 \r
370\r
371 // 1 - Cascade selection \r
372 \r
373 // AliESDVertex *esdPrimVtx = new AliESDVertex(*(esd->GetPrimaryVertex()));\r
374 // TList cascadeObjects;\r
375 // cascadeObjects.AddAt(esdV0FromCascade, 0);\r
376 // cascadeObjects.AddAt(esdCascadePos, 1);\r
377 // cascadeObjects.AddAt(esdCascadeNeg, 2);\r
378 // cascadeObjects.AddAt(esdCascade, 3);\r
379 // cascadeObjects.AddAt(esdCascadeBach, 4);\r
380 // cascadeObjects.AddAt(esdPrimVtx, 5);\r
381 // \r
382 // UInt_t selectCascade = 0;\r
383 // if (fCascadeFilter) {\r
384 // // selectCascade = fCascadeFilter->IsSelected(&cascadeObjects); \r
385 // // FIXME AliESDCascadeCuts to be implemented ...\r
386 // \r
387 // // Here we may encounter a moot point at the V0 level \r
388 // // between the cascade selections and the V0 ones :\r
389 // // the V0 selected along with the cascade (secondary V0) may \r
390 // // usually be removed from the dedicated V0 selections (prim V0) ...\r
391 // // -> To be discussed !\r
392 // \r
393 // // this is a little awkward but otherwise the \r
394 // // list wants to access the pointer (delete it) \r
395 // // again when going out of scope\r
396 // delete cascadeObjects.RemoveAt(5); // esdPrimVtx created via copy construct\r
397 // esdPrimVtx = 0;\r
398 // if (!selectCascade) \r
399 // continue;\r
400 // }\r
401 // else{\r
402 // delete cascadeObjects.RemoveAt(5); // esdPrimVtx created via copy construct\r
403 // esdPrimVtx = 0;\r
404 // }\r
405\r
406 // 2 - Add the cascade vertex\r
407 \r
408 esdCascade->GetXYZcascade(pos[0], pos[1], pos[2]);\r
409 esdCascade->GetPosCovXi(covVtx);\r
410 chi2 = esdCascade->GetChi2Xi(); \r
411 \r
412 AliAODVertex *vCascade = new(vertices[jVertices++]) AliAODVertex( pos,\r
413 covVtx,\r
414 chi2, // FIXME = Chi2/NDF will be needed\r
415 primary,\r
416 nCascade, // id\r
417 AliAODVertex::kCascade);\r
418 primary->AddDaughter(vCascade);\r
419\r
420 if (fDebug > 2) {\r
421 printf("---- Cascade / Cascade Vertex (AOD) : \n");\r
422 vCascade->Print();\r
423 }\r
424\r
425\r
426 // 3 - Add the bachelor track from the cascade\r
427 \r
428 if (!usedTrack[idxBachFromCascade]) {\r
429\r
430 esdCascadeBach->GetPxPyPz(momBach);\r
431 esdCascadeBach->GetXYZ(pos);\r
432 esdCascadeBach->GetCovarianceXYZPxPyPz(covTr);\r
433 esdCascadeBach->GetESDpid(pid);\r
434\r
435 usedTrack[idxBachFromCascade] = kTRUE;\r
436 UInt_t selectInfo = 0;\r
9eeae5d5 437 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdCascadeBach);\r
f7ed7e88 438 if(mcH)mcH->SelectParticle(esdCascadeBach->GetLabel());\r
439 aodTrack = new(tracks[jTracks++]) AliAODTrack(esdCascadeBach->GetID(),\r
440 esdCascadeBach->GetLabel(), \r
441 momBach, \r
442 kTRUE,\r
443 pos,\r
444 kFALSE, // Why kFALSE for "isDCA" ? FIXME\r
445 covTr, \r
446 (Short_t)esdCascadeBach->GetSign(),\r
447 esdCascadeBach->GetITSClusterMap(), \r
448 pid,\r
449 vCascade,\r
450 kTRUE, // usedForVtxFit = kFALSE ? FIXME\r
451 vtx->UsesTrack(esdCascadeBach->GetID()),\r
452 AliAODTrack::kSecondary,\r
453 selectInfo);\r
f2f21b24 454 aodTrack->SetTPCClusterMap(esdCascadeBach->GetTPCClusterMap());\r
455 aodTrack->SetTPCSharedMap (esdCascadeBach->GetTPCSharedMap());\r
40a060e5 456 aodTrack->SetChi2perNDF(Chi2perNDF(esdCascadeBach));\r
f7ed7e88 457 aodTrackRefs->AddAt(aodTrack,idxBachFromCascade);\r
f2f21b24 458 \r
f7ed7e88 459 if (esdCascadeBach->GetSign() > 0) nPosTracks++;\r
460 aodTrack->ConvertAliPIDtoAODPID();\r
461 aodTrack->SetFlags(esdCascadeBach->GetStatus());\r
462 SetAODPID(esdCascadeBach,aodTrack,detpid,timezero,esd->GetMagneticField());\r
463 }\r
464 else {\r
465 aodTrack = dynamic_cast<AliAODTrack*>( aodTrackRefs->At(idxBachFromCascade) );\r
466 }\r
467\r
468 vCascade->AddDaughter(aodTrack);\r
469\r
470 if (fDebug > 4) {\r
471 printf("---- Cascade / bach dghter : \n");\r
472 aodTrack->Print();\r
473 }\r
474 \r
475\r
476 // 4 - Add the V0 from the cascade. \r
477 // = V0vtx + both pos and neg daughter tracks + the aodV0 itself\r
478 //\r
479\r
480 if ( !usedV0[idxV0FromCascade] ) {\r
481 // 4.A - if VO structure hasn't been created yet\r
482 \r
483 // 4.A.1 - Create the V0 vertex of the cascade\r
484 \r
485 esdV0FromCascade->GetXYZ(pos[0], pos[1], pos[2]);\r
486 esdV0FromCascade->GetPosCov(covVtx);\r
487 chi2 = esdV0FromCascade->GetChi2V0(); // = chi2/NDF since NDF = 2*2-3 ?\r
488 \r
489 vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos,\r
490 covVtx,\r
491 chi2,\r
492 vCascade,\r
493 idxV0FromCascade, //id of ESDv0\r
494 AliAODVertex::kV0);\r
495 // Note:\r
496 // one V0 can be used by several cascades.\r
497 // So, one AOD V0 vtx can have several parent vtx.\r
498 // This is not directly allowed by AliAODvertex.\r
499 // Setting the parent vtx (here = param "vCascade") doesn't lead to a crash\r
500 // but to a problem of consistency within AODEvent.\r
501 // -> See below paragraph 4.B, for the proposed treatment of such a case.\r
502\r
503 // Add the vV0FromCascade to the aodVOVtxRefs\r
504 aodV0VtxRefs->AddAt(vV0FromCascade,idxV0FromCascade);\r
505 \r
506 \r
507 // 4.A.2 - Add the positive tracks from the V0\r
508 \r
509 esdCascadePos->GetPxPyPz(momPos);\r
510 esdCascadePos->GetXYZ(pos);\r
511 esdCascadePos->GetCovarianceXYZPxPyPz(covTr);\r
512 esdCascadePos->GetESDpid(pid);\r
513 \r
514 \r
515 if (!usedTrack[idxPosFromV0Dghter]) {\r
516 usedTrack[idxPosFromV0Dghter] = kTRUE;\r
517 \r
518 UInt_t selectInfo = 0;\r
9eeae5d5 519 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdCascadePos);\r
f7ed7e88 520 if(mcH) mcH->SelectParticle(esdCascadePos->GetLabel());\r
521 aodTrack = new(tracks[jTracks++]) AliAODTrack( esdCascadePos->GetID(),\r
522 esdCascadePos->GetLabel(), \r
523 momPos, \r
524 kTRUE,\r
525 pos,\r
526 kFALSE, // Why kFALSE for "isDCA" ? FIXME\r
527 covTr, \r
528 (Short_t)esdCascadePos->GetSign(),\r
529 esdCascadePos->GetITSClusterMap(), \r
530 pid,\r
531 vV0FromCascade,\r
532 kTRUE, // usedForVtxFit = kFALSE ? FIXME\r
533 vtx->UsesTrack(esdCascadePos->GetID()),\r
534 AliAODTrack::kSecondary,\r
535 selectInfo);\r
f2f21b24 536 aodTrack->SetTPCClusterMap(esdCascadePos->GetTPCClusterMap());\r
537 aodTrack->SetTPCSharedMap (esdCascadePos->GetTPCSharedMap());\r
40a060e5 538 aodTrack->SetChi2perNDF(Chi2perNDF(esdCascadePos));\r
f7ed7e88 539 aodTrackRefs->AddAt(aodTrack,idxPosFromV0Dghter);\r
40a060e5 540\r
f7ed7e88 541 if (esdCascadePos->GetSign() > 0) nPosTracks++;\r
542 aodTrack->ConvertAliPIDtoAODPID();\r
543 aodTrack->SetFlags(esdCascadePos->GetStatus());\r
544 SetAODPID(esdCascadePos,aodTrack,detpid,timezero,esd->GetMagneticField());\r
545 }\r
546 else {\r
547 aodTrack = dynamic_cast<AliAODTrack*>(aodTrackRefs->At(idxPosFromV0Dghter));\r
548 }\r
549 vV0FromCascade->AddDaughter(aodTrack);\r
550 \r
551 \r
552 // 4.A.3 - Add the negative tracks from the V0\r
553 \r
554 esdCascadeNeg->GetPxPyPz(momNeg);\r
555 esdCascadeNeg->GetXYZ(pos);\r
556 esdCascadeNeg->GetCovarianceXYZPxPyPz(covTr);\r
557 esdCascadeNeg->GetESDpid(pid);\r
558 \r
559 \r
560 if (!usedTrack[idxNegFromV0Dghter]) {\r
561 usedTrack[idxNegFromV0Dghter] = kTRUE;\r
562 \r
563 UInt_t selectInfo = 0;\r
9eeae5d5 564 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdCascadeNeg);\r
f7ed7e88 565 if(mcH)mcH->SelectParticle(esdCascadeNeg->GetLabel());\r
566 aodTrack = new(tracks[jTracks++]) AliAODTrack( esdCascadeNeg->GetID(),\r
567 esdCascadeNeg->GetLabel(),\r
568 momNeg,\r
569 kTRUE,\r
570 pos,\r
571 kFALSE, // Why kFALSE for "isDCA" ? FIXME\r
572 covTr, \r
573 (Short_t)esdCascadeNeg->GetSign(),\r
574 esdCascadeNeg->GetITSClusterMap(), \r
575 pid,\r
576 vV0FromCascade,\r
577 kTRUE, // usedForVtxFit = kFALSE ? FIXME\r
578 vtx->UsesTrack(esdCascadeNeg->GetID()),\r
579 AliAODTrack::kSecondary,\r
580 selectInfo);\r
f2f21b24 581 aodTrack->SetTPCClusterMap(esdCascadeNeg->GetTPCClusterMap());\r
582 aodTrack->SetTPCSharedMap (esdCascadeNeg->GetTPCSharedMap());\r
40a060e5 583 aodTrack->SetChi2perNDF(Chi2perNDF(esdCascadeNeg));\r
f7ed7e88 584 aodTrackRefs->AddAt(aodTrack,idxNegFromV0Dghter);\r
585 \r
586 if (esdCascadeNeg->GetSign() > 0) nPosTracks++;\r
587 aodTrack->ConvertAliPIDtoAODPID();\r
588 aodTrack->SetFlags(esdCascadeNeg->GetStatus());\r
589 SetAODPID(esdCascadeNeg,aodTrack,detpid,timezero,esd->GetMagneticField());\r
590 }\r
591 else {\r
592 aodTrack = dynamic_cast<AliAODTrack*>(aodTrackRefs->At(idxNegFromV0Dghter));\r
593 }\r
594 \r
595 vV0FromCascade->AddDaughter(aodTrack);\r
596 \r
597 \r
598 // 4.A.4 - Add the V0 from cascade to the V0 array\r
599\r
600 Double_t dcaV0Daughters = esdV0FromCascade->GetDcaV0Daughters();\r
601 Double_t dcaV0ToPrimVertex = esdV0FromCascade->GetD( esd->GetPrimaryVertex()->GetX(),\r
602 esd->GetPrimaryVertex()->GetY(),\r
603 esd->GetPrimaryVertex()->GetZ() );\r
604 esdV0FromCascade->GetPPxPyPz( momPosAtV0vtx[0],momPosAtV0vtx[1],momPosAtV0vtx[2] ); \r
605 esdV0FromCascade->GetNPxPyPz( momNegAtV0vtx[0],momNegAtV0vtx[1],momNegAtV0vtx[2] ); \r
606 \r
607 Double_t dcaDaughterToPrimVertex[2] = { 999., 999.}; // ..[0] = DCA in (x,y) for Pos and ..[1] = Neg\r
608 dcaDaughterToPrimVertex[0] = TMath::Abs(esdCascadePos->GetD( esd->GetPrimaryVertex()->GetX(),\r
609 esd->GetPrimaryVertex()->GetY(),\r
610 esd->GetMagneticField()) );\r
611 dcaDaughterToPrimVertex[1] = TMath::Abs(esdCascadeNeg->GetD( esd->GetPrimaryVertex()->GetX(),\r
612 esd->GetPrimaryVertex()->GetY(),\r
613 esd->GetMagneticField()) );\r
614 \r
615 aodV0 = new(v0s[jV0s++]) AliAODv0( vV0FromCascade, \r
616 dcaV0Daughters,\r
617 dcaV0ToPrimVertex, \r
618 momPosAtV0vtx, \r
619 momNegAtV0vtx, \r
620 dcaDaughterToPrimVertex); \r
621 // set the aod v0 on-the-fly status\r
622 aodV0->SetOnFlyStatus(esdV0FromCascade->GetOnFlyStatus());\r
623\r
624 // Add the aodV0 to the aodVORefs\r
625 aodV0Refs->AddAt(aodV0,idxV0FromCascade);\r
626 \r
627 usedV0[idxV0FromCascade] = kTRUE;\r
628\r
629 } else { \r
630 // 4.B - if V0 structure already used\r
631\r
632 // Note :\r
633 // one V0 can be used by several cascades (frequent in PbPb evts) : \r
634 // same V0 which used but attached to different bachelor tracks\r
635 // -> aodVORefs and aodV0VtxRefs are needed.\r
636 // Goal : avoid a redundancy of the info in "Vertices" and "v0s" clones array.\r
637 \r
638 vV0FromCascade = dynamic_cast<AliAODVertex*>( aodV0VtxRefs->At(idxV0FromCascade) );\r
639 aodV0 = dynamic_cast<AliAODv0*> ( aodV0Refs ->At(idxV0FromCascade) );\r
640 \r
641 // - Treatment of the parent for such a "re-used" V0 :\r
642 // Insert the cascade that reuses the V0 vertex in the lineage chain\r
643 // Before : vV0 -> vCascade1 -> vPrimary\r
644 // - Hyp : cascade2 uses the same V0 as cascade1\r
645 // After : vV0 -> vCascade2 -> vCascade1 -> vPrimary\r
646 \r
647 AliAODVertex *vCascadePreviousParent = dynamic_cast<AliAODVertex*> (vV0FromCascade->GetParent());\r
648 vV0FromCascade->SetParent(vCascade);\r
649 vCascade ->SetParent(vCascadePreviousParent);\r
650\r
651 if(fDebug > 2) \r
652 printf("---- Cascade / Lineage insertion\n"\r
653 "Parent of V0 vtx = Cascade vtx %p\n"\r
654 "Parent of the cascade vtx = Cascade vtx %p\n"\r
655 "Parent of the parent cascade vtx = Cascade vtx %p\n", \r
656 static_cast<void*> (vV0FromCascade->GetParent()),\r
657 static_cast<void*> (vCascade->GetParent()),\r
658 static_cast<void*> (vCascadePreviousParent->GetParent()) );\r
659 \r
660 }// end if V0 structure already used\r
661\r
662 if (fDebug > 2) {\r
663 printf("---- Cascade / V0 vertex: \n");\r
664 vV0FromCascade->Print();\r
665 }\r
666\r
667 if (fDebug > 4) {\r
668 printf("---- Cascade / pos dghter : \n");\r
669 aodTrack->Print();\r
670 printf("---- Cascade / neg dghter : \n");\r
671 aodTrack->Print();\r
672 printf("---- Cascade / aodV0 : \n");\r
673 aodV0->Print();\r
674 }\r
675\r
676 // In any case (used V0 or not), add the V0 vertex to the cascade one.\r
677 vCascade->AddDaughter(vV0FromCascade); \r
678 \r
679 \r
680 // 5 - Add the primary track of the cascade (if any)\r
681\r
682\r
683 // 6 - Add the cascade to the AOD array of cascades\r
684\r
685 Double_t dcaBachToPrimVertexXY = TMath::Abs(esdCascadeBach->GetD(esd->GetPrimaryVertex()->GetX(),\r
686 esd->GetPrimaryVertex()->GetY(),\r
687 esd->GetMagneticField()) );\r
688\r
689 esdCascade->GetBPxPyPz(momBachAtCascadeVtx[0], momBachAtCascadeVtx[1], momBachAtCascadeVtx[2]);\r
690\r
691 aodCascade = new(cascades[jCascades++]) AliAODcascade( vCascade,\r
692 esdCascade->Charge(),\r
693 esdCascade->GetDcaXiDaughters(),\r
694 -999.,\r
695 // DCAXiToPrimVtx -> needs to be calculated ----|\r
696 // doesn't exist at ESD level;\r
697 // See AODcascade::DcaXiToPrimVertex(Double, Double, Double)\r
698 dcaBachToPrimVertexXY,\r
699 momBachAtCascadeVtx,\r
700 *aodV0);\r
701 \r
702 if (fDebug > 3) {\r
703 printf("---- Cascade / AOD cascade : \n\n");\r
704 aodCascade->PrintXi(primary->GetX(), primary->GetY(), primary->GetZ());\r
705 }\r
706\r
707 } // end of the loop on cascades\r
708\r
709 cascades.Expand(jCascades);\r
710\r
711\r
712 //\r
713 // V0s\r
714 //\r
715 \r
716 for (Int_t nV0 = 0; nV0 < nV0s; ++nV0) {\r
717 \r
718 if (usedV0[nV0]) continue; // skip if already added to the AOD\r
719 \r
720 AliESDv0 *v0 = esd->GetV0(nV0);\r
721 Int_t posFromV0 = v0->GetPindex();\r
722 Int_t negFromV0 = v0->GetNindex();\r
723 \r
724 // V0 selection \r
725 //\r
726 AliESDVertex *esdVtx = new AliESDVertex(*(esd->GetPrimaryVertex()));\r
727 AliESDtrack *esdV0Pos = esd->GetTrack(posFromV0);\r
728 AliESDtrack *esdV0Neg = esd->GetTrack(negFromV0);\r
729 TList v0objects;\r
730 v0objects.AddAt(v0, 0);\r
731 v0objects.AddAt(esdV0Pos, 1);\r
732 v0objects.AddAt(esdV0Neg, 2);\r
733 v0objects.AddAt(esdVtx, 3);\r
734 UInt_t selectV0 = 0;\r
735 if (fV0Filter) {\r
9eeae5d5 736 selectV0 = fV0Filter->IsSelected(&v0objects);\r
f7ed7e88 737 // this is a little awkward but otherwise the \r
738 // list wants to access the pointer (delete it) \r
739 // again when going out of scope\r
740 delete v0objects.RemoveAt(3); // esdVtx created via copy construct\r
741 esdVtx = 0;\r
742 if (!selectV0) \r
743 continue;\r
744 }\r
745 else{\r
746 delete v0objects.RemoveAt(3); // esdVtx created via copy construct\r
747 esdVtx = 0;\r
748 }\r
749 \r
750 v0->GetXYZ(pos[0], pos[1], pos[2]);\r
751\r
752 if (!old) {\r
753 chi2 = v0->GetChi2V0(); // = chi2/NDF since NDF = 2*2-3\r
754 v0->GetPosCov(covVtx);\r
755 } else {\r
756 chi2 = -999.;\r
757 for (Int_t i = 0; i < 6; i++) covVtx[i] = 0.;\r
758 }\r
759\r
760\r
761 AliAODVertex * vV0 = \r
762 new(vertices[jVertices++]) AliAODVertex(pos,\r
763 covVtx,\r
764 chi2,\r
765 primary,\r
766 nV0,\r
767 AliAODVertex::kV0);\r
768 primary->AddDaughter(vV0);\r
769 \r
770\r
771 // Add the positive tracks from the V0\r
772 \r
773 esdV0Pos->GetPxPyPz(momPos);\r
774 esdV0Pos->GetXYZ(pos);\r
775 esdV0Pos->GetCovarianceXYZPxPyPz(covTr);\r
776 esdV0Pos->GetESDpid(pid);\r
777 \r
778 if (!usedTrack[posFromV0]) {\r
779 usedTrack[posFromV0] = kTRUE;\r
780 UInt_t selectInfo = 0;\r
9eeae5d5 781 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdV0Pos);\r
f7ed7e88 782 if(mcH)mcH->SelectParticle(esdV0Pos->GetLabel());\r
783 aodTrack = new(tracks[jTracks++]) AliAODTrack(esdV0Pos->GetID(),\r
784 esdV0Pos->GetLabel(), \r
785 momPos, \r
786 kTRUE,\r
787 pos,\r
788 kFALSE,\r
789 covTr, \r
790 (Short_t)esdV0Pos->GetSign(),\r
791 esdV0Pos->GetITSClusterMap(), \r
792 pid,\r
793 vV0,\r
794 kTRUE, // check if this is right\r
795 vtx->UsesTrack(esdV0Pos->GetID()),\r
796 AliAODTrack::kSecondary,\r
797 selectInfo);\r
f2f21b24 798 aodTrack->SetTPCClusterMap(esdV0Pos->GetTPCClusterMap());\r
799 aodTrack->SetTPCSharedMap (esdV0Pos->GetTPCSharedMap());\r
40a060e5 800 aodTrack->SetChi2perNDF(Chi2perNDF(esdV0Pos));\r
f7ed7e88 801 aodTrackRefs->AddAt(aodTrack,posFromV0);\r
802 // if (fDebug > 0) printf("-------------------Bo: pos track from original pt %.3f \n",aodTrack->Pt());\r
803 if (esdV0Pos->GetSign() > 0) nPosTracks++;\r
804 aodTrack->ConvertAliPIDtoAODPID();\r
805 aodTrack->SetFlags(esdV0Pos->GetStatus());\r
806 SetAODPID(esdV0Pos,aodTrack,detpid,timezero,esd->GetMagneticField());\r
807 }\r
808 else {\r
809 aodTrack = dynamic_cast<AliAODTrack*>(aodTrackRefs->At(posFromV0));\r
810 // if (fDebug > 0) printf("-------------------Bo pos track from refArray pt %.3f \n",aodTrack->Pt());\r
811 }\r
812 vV0->AddDaughter(aodTrack);\r
813 \r
814 // Add the negative tracks from the V0\r
815 \r
816 esdV0Neg->GetPxPyPz(momNeg);\r
817 esdV0Neg->GetXYZ(pos);\r
818 esdV0Neg->GetCovarianceXYZPxPyPz(covTr);\r
819 esdV0Neg->GetESDpid(pid);\r
820 \r
821 if (!usedTrack[negFromV0]) {\r
822 usedTrack[negFromV0] = kTRUE;\r
823 UInt_t selectInfo = 0;\r
9eeae5d5 824 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdV0Neg);\r
f7ed7e88 825 if(mcH)mcH->SelectParticle(esdV0Neg->GetLabel());\r
826 aodTrack = new(tracks[jTracks++]) AliAODTrack(esdV0Neg->GetID(),\r
827 esdV0Neg->GetLabel(),\r
828 momNeg,\r
829 kTRUE,\r
830 pos,\r
831 kFALSE,\r
832 covTr, \r
833 (Short_t)esdV0Neg->GetSign(),\r
834 esdV0Neg->GetITSClusterMap(), \r
835 pid,\r
836 vV0,\r
837 kTRUE, // check if this is right\r
838 vtx->UsesTrack(esdV0Neg->GetID()),\r
839 AliAODTrack::kSecondary,\r
840 selectInfo);\r
f2f21b24 841 aodTrack->SetTPCClusterMap(esdV0Neg->GetTPCClusterMap());\r
842 aodTrack->SetTPCSharedMap (esdV0Neg->GetTPCSharedMap());\r
40a060e5 843 aodTrack->SetChi2perNDF(Chi2perNDF(esdV0Neg));\r
f7ed7e88 844 \r
845 aodTrackRefs->AddAt(aodTrack,negFromV0);\r
846 // if (fDebug > 0) printf("-------------------Bo: neg track from original pt %.3f \n",aodTrack->Pt());\r
847 if (esdV0Neg->GetSign() > 0) nPosTracks++;\r
848 aodTrack->ConvertAliPIDtoAODPID();\r
849 aodTrack->SetFlags(esdV0Neg->GetStatus());\r
850 SetAODPID(esdV0Neg,aodTrack,detpid,timezero,esd->GetMagneticField());\r
851 }\r
852 else {\r
853 aodTrack = dynamic_cast<AliAODTrack*>(aodTrackRefs->At(negFromV0));\r
854 // if (fDebug > 0) printf("-------------------Bo neg track from refArray pt %.3f \n",aodTrack->Pt());\r
855 }\r
856 vV0->AddDaughter(aodTrack);\r
857\r
858\r
859 // Add the V0 the V0 array as well\r
860 \r
861 Double_t dcaV0Daughters = v0->GetDcaV0Daughters();\r
862 Double_t dcaV0ToPrimVertex = v0->GetD(esd->GetPrimaryVertex()->GetX(),\r
863 esd->GetPrimaryVertex()->GetY(),\r
864 esd->GetPrimaryVertex()->GetZ());\r
865 v0->GetPPxPyPz(momPosAtV0vtx[0],momPosAtV0vtx[1],momPosAtV0vtx[2]); \r
866 v0->GetNPxPyPz(momNegAtV0vtx[0],momNegAtV0vtx[1],momNegAtV0vtx[2]); \r
867 \r
868 Double_t dcaDaughterToPrimVertex[2] = { 999., 999.}; // ..[0] = DCA in (x,y) for Pos and ..[1] = Neg\r
869 dcaDaughterToPrimVertex[0] = TMath::Abs(esdV0Pos->GetD( esd->GetPrimaryVertex()->GetX(),\r
870 esd->GetPrimaryVertex()->GetY(),\r
871 esd->GetMagneticField()) );\r
872 dcaDaughterToPrimVertex[1] = TMath::Abs(esdV0Neg->GetD( esd->GetPrimaryVertex()->GetX(),\r
873 esd->GetPrimaryVertex()->GetY(),\r
874 esd->GetMagneticField()) );\r
875 \r
876 aodV0 = new(v0s[jV0s++]) AliAODv0(vV0, \r
877 dcaV0Daughters,\r
878 dcaV0ToPrimVertex,\r
879 momPosAtV0vtx,\r
880 momNegAtV0vtx,\r
881 dcaDaughterToPrimVertex);\r
882\r
883 // set the aod v0 on-the-fly status\r
884 aodV0->SetOnFlyStatus(v0->GetOnFlyStatus());\r
885 }//End of loop on V0s \r
886\r
887 v0s.Expand(jV0s); \r
888\r
889 if (fDebug > 0) printf(" NAODCascades=%d / NAODV0s=%d\n", jCascades, jV0s);\r
890 // end of V0 parts\r
891\r
892\r
893 // Kinks: it is a big mess the access to the information in the kinks\r
894 // The loop is on the tracks in order to find the mother and daugther of each kink\r
895 \r
896 \r
897 for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) {\r
898 \r
899 AliESDtrack * esdTrack = esd->GetTrack(iTrack);\r
900 \r
901 Int_t ikink = esdTrack->GetKinkIndex(0);\r
902 \r
903 if (ikink && nKinks) {\r
904 // Negative kink index: mother, positive: daughter\r
905 \r
906 // Search for the second track of the kink\r
907 \r
908 for (Int_t jTrack = iTrack+1; jTrack<nTracks; ++jTrack) {\r
909 \r
910 AliESDtrack * esdTrack1 = esd->GetTrack(jTrack);\r
911 \r
912 Int_t jkink = esdTrack1->GetKinkIndex(0);\r
913 \r
914 if ( TMath::Abs(ikink)==TMath::Abs(jkink) ) {\r
915 \r
916 // The two tracks are from the same kink\r
917 \r
918 if (usedKink[TMath::Abs(ikink)-1]) continue; // skip used kinks\r
919 \r
920 Int_t imother = -1;\r
921 Int_t idaughter = -1;\r
922 \r
923 if (ikink<0 && jkink>0) {\r
924 \r
925 imother = iTrack;\r
926 idaughter = jTrack;\r
927 }\r
928 else if (ikink>0 && jkink<0) {\r
929 \r
930 imother = jTrack;\r
931 idaughter = iTrack;\r
932 }\r
933 else {\r
934// cerr << "Error: Wrong combination of kink indexes: "\r
935// << ikink << " " << jkink << endl;\r
936 continue;\r
937 }\r
938 \r
939 // Add the mother track if it passed primary track selection cuts\r
940 \r
941 AliAODTrack * mother = NULL;\r
942 \r
943 UInt_t selectInfo = 0;\r
944 if (fTrackFilter) {\r
9eeae5d5 945 selectInfo = fTrackFilter->IsSelected(esd->GetTrack(imother));\r
f7ed7e88 946 if (!selectInfo) continue;\r
947 }\r
948 \r
949 if (!usedTrack[imother]) {\r
950 \r
951 usedTrack[imother] = kTRUE;\r
952 \r
953 AliESDtrack *esdTrackM = esd->GetTrack(imother);\r
954 esdTrackM->GetPxPyPz(p);\r
955 esdTrackM->GetXYZ(pos);\r
956 esdTrackM->GetCovarianceXYZPxPyPz(covTr);\r
957 esdTrackM->GetESDpid(pid);\r
958 if(mcH)mcH->SelectParticle(esdTrackM->GetLabel());\r
959 mother = \r
960 new(tracks[jTracks++]) AliAODTrack(esdTrackM->GetID(),\r
961 esdTrackM->GetLabel(),\r
962 p,\r
963 kTRUE,\r
964 pos,\r
965 kFALSE,\r
966 covTr, \r
967 (Short_t)esdTrackM->GetSign(),\r
968 esdTrackM->GetITSClusterMap(), \r
969 pid,\r
970 primary,\r
971 kTRUE, // check if this is right\r
972 vtx->UsesTrack(esdTrack->GetID()),\r
973 AliAODTrack::kPrimary,\r
974 selectInfo);\r
f2f21b24 975 mother->SetTPCClusterMap(esdTrackM->GetTPCClusterMap());\r
976 mother->SetTPCSharedMap (esdTrackM->GetTPCSharedMap());\r
40a060e5 977 mother->SetChi2perNDF(Chi2perNDF(esdTrackM));\r
978\r
f7ed7e88 979 aodTrackRefs->AddAt(mother, imother);\r
980 \r
981 if (esdTrackM->GetSign() > 0) nPosTracks++;\r
982 mother->SetFlags(esdTrackM->GetStatus());\r
983 mother->ConvertAliPIDtoAODPID();\r
984 primary->AddDaughter(mother);\r
985 mother->ConvertAliPIDtoAODPID();\r
986 SetAODPID(esdTrackM,mother,detpid,timezero,esd->GetMagneticField());\r
987 }\r
988 else {\r
989// cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1\r
990// << " track " << imother << " has already been used!" << endl;\r
991 }\r
992 \r
993 // Add the kink vertex\r
994 AliESDkink * kink = esd->GetKink(TMath::Abs(ikink)-1);\r
995 \r
996 AliAODVertex * vkink = \r
997 new(vertices[jVertices++]) AliAODVertex(kink->GetPosition(),\r
998 NULL,\r
999 0.,\r
1000 mother,\r
1001 esdTrack->GetID(), // This is the track ID of the mother's track!\r
1002 AliAODVertex::kKink);\r
1003 // Add the daughter track\r
1004 \r
1005 AliAODTrack * daughter = NULL;\r
1006 \r
1007 if (!usedTrack[idaughter]) {\r
1008 \r
1009 usedTrack[idaughter] = kTRUE;\r
1010 \r
1011 AliESDtrack *esdTrackD = esd->GetTrack(idaughter);\r
1012 esdTrackD->GetPxPyPz(p);\r
1013 esdTrackD->GetXYZ(pos);\r
1014 esdTrackD->GetCovarianceXYZPxPyPz(covTr);\r
1015 esdTrackD->GetESDpid(pid);\r
1016 selectInfo = 0;\r
9eeae5d5 1017 if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdTrackD);\r
f7ed7e88 1018 if(mcH)mcH->SelectParticle(esdTrackD->GetLabel());\r
1019 daughter = \r
1020 new(tracks[jTracks++]) AliAODTrack(esdTrackD->GetID(),\r
1021 esdTrackD->GetLabel(),\r
1022 p,\r
1023 kTRUE,\r
1024 pos,\r
1025 kFALSE,\r
1026 covTr, \r
1027 (Short_t)esdTrackD->GetSign(),\r
1028 esdTrackD->GetITSClusterMap(), \r
1029 pid,\r
1030 vkink,\r
1031 kTRUE, // check if this is right\r
1032 vtx->UsesTrack(esdTrack->GetID()),\r
1033 AliAODTrack::kSecondary,\r
1034 selectInfo);\r
f2f21b24 1035 daughter->SetTPCClusterMap(esdTrackD->GetTPCClusterMap());\r
1036 daughter->SetTPCSharedMap (esdTrackD->GetTPCSharedMap());\r
f7ed7e88 1037 aodTrackRefs->AddAt(daughter, idaughter);\r
1038 \r
1039 if (esdTrackD->GetSign() > 0) nPosTracks++;\r
1040 daughter->SetFlags(esdTrackD->GetStatus());\r
1041 daughter->ConvertAliPIDtoAODPID();\r
1042 vkink->AddDaughter(daughter);\r
1043 daughter->ConvertAliPIDtoAODPID();\r
1044 SetAODPID(esdTrackD,daughter,detpid,timezero,esd->GetMagneticField());\r
1045 }\r
1046 else {\r
1047// cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1\r
1048// << " track " << idaughter << " has already been used!" << endl;\r
1049 }\r
1050 }\r
1051 }\r
1052 } \r
1053 }\r
1054 \r
1055 \r
1056 // Tracks (primary and orphan)\r
1057\r
1058 if (fDebug > 0) printf("NUMBER OF ESD TRACKS %5d\n", nTracks);\r
1059 \r
1060 for (Int_t nTrack = 0; nTrack < nTracks; ++nTrack) {\r
1061 \r
1062 \r
1063 if (usedTrack[nTrack]) continue;\r
1064\r
1065 AliESDtrack *esdTrack = esd->GetTrack(nTrack);\r
1066 UInt_t selectInfo = 0;\r
1067 //\r
1068 // Track selection\r
1069 if (fTrackFilter) {\r
9eeae5d5 1070 selectInfo = fTrackFilter->IsSelected(esdTrack);\r
f7ed7e88 1071 if (!selectInfo && !vtx->UsesTrack(esdTrack->GetID())) continue;\r
1072 }\r
1073 \r
1074 //\r
1075 esdTrack->GetPxPyPz(p);\r
1076 esdTrack->GetXYZ(pos);\r
1077 esdTrack->GetCovarianceXYZPxPyPz(covTr);\r
1078 esdTrack->GetESDpid(pid);\r
1079 if(mcH)mcH->SelectParticle(esdTrack->GetLabel());\r
1080 primary->AddDaughter(aodTrack =\r
1081 new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),\r
1082 esdTrack->GetLabel(),\r
1083 p,\r
1084 kTRUE,\r
1085 pos,\r
1086 kFALSE,\r
1087 covTr, \r
1088 (Short_t)esdTrack->GetSign(),\r
1089 esdTrack->GetITSClusterMap(), \r
1090 pid,\r
1091 primary,\r
1092 kTRUE, // check if this is right\r
1093 vtx->UsesTrack(esdTrack->GetID()),\r
1094 AliAODTrack::kPrimary, \r
1095 selectInfo)\r
1096 );\r
f2f21b24 1097 aodTrack->SetTPCClusterMap(esdTrack->GetTPCClusterMap());\r
1098 aodTrack->SetTPCSharedMap (esdTrack->GetTPCSharedMap());\r
40a060e5 1099 aodTrack->SetChi2perNDF(Chi2perNDF(esdTrack));\r
1100\r
f7ed7e88 1101 aodTrackRefs->AddAt(aodTrack, nTrack);\r
f2f21b24 1102\r
f7ed7e88 1103 \r
1104 if (esdTrack->GetSign() > 0) nPosTracks++;\r
1105 aodTrack->SetFlags(esdTrack->GetStatus());\r
1106 aodTrack->ConvertAliPIDtoAODPID();\r
1107 SetAODPID(esdTrack,aodTrack,detpid,timezero,esd->GetMagneticField());\r
1108 } // end of loop on tracks\r
1109 \r
1110 // Update number of AOD tracks in header at the end of track loop (M.G.)\r
1111 header->SetRefMultiplicity(jTracks);\r
1112 header->SetRefMultiplicityPos(nPosTracks);\r
1113 header->SetRefMultiplicityNeg(jTracks - nPosTracks);\r
1114 if (fDebug > 0) \r
1115 printf(" NAODTRACKS=%d NPOS=%d NNEG=%d\n", jTracks, nPosTracks, jTracks - nPosTracks);\r
1116 // Do not shrink the array of tracks - other filters may add to it (M.G)\r
1117 // tracks.Expand(jTracks); // remove 'empty slots' due to unwritten tracks\r
1118 \r
1119 // Access to the AOD container of PMD clusters\r
1120 TClonesArray &pmdClusters = *(AODEvent()->GetPmdClusters());\r
1121 Int_t jPmdClusters=0;\r
1122 \r
1123 for (Int_t iPmd = 0; iPmd < nPmdClus; ++iPmd) {\r
1124 // file pmd clusters, to be revised!\r
1125 AliESDPmdTrack *pmdTrack = esd->GetPmdTrack(iPmd);\r
1126 Int_t nLabel = 0;\r
1127 Int_t *label = 0x0;\r
1128 Double_t posPmd[3] = { pmdTrack->GetClusterX(), pmdTrack->GetClusterY(), pmdTrack->GetClusterZ()};\r
1129 Double_t pidPmd[13] = { 0.}; // to be revised!\r
1130 // type not set!\r
1131 // assoc cluster not set\r
1132 new(pmdClusters[jPmdClusters++]) AliAODPmdCluster(iPmd, nLabel, label, pmdTrack->GetClusterADC(), posPmd, pidPmd);\r
1133 }\r
1134\r
1135 // Access to the AOD container of clusters\r
1136 TClonesArray &caloClusters = *(AODEvent()->GetCaloClusters());\r
1137 Int_t jClusters=0;\r
1138 \r
1139 for (Int_t iClust=0; iClust<nCaloClus; ++iClust) {\r
1140\r
1141 AliESDCaloCluster * cluster = esd->GetCaloCluster(iClust);\r
1142\r
1143 Int_t id = cluster->GetID();\r
1144 Int_t nLabel = cluster->GetNLabels();\r
1145 TArrayI* labels = cluster->GetLabels();\r
1146 Int_t *label = 0;\r
1147 if (labels){\r
1148 label = (cluster->GetLabels())->GetArray();\r
1149 for(int i = 0;i < labels->GetSize();++i){\r
1150 if(mcH)mcH->SelectParticle(label[i]);\r
1151 }\r
1152 } \r
1153\r
1154 Float_t energy = cluster->E();\r
1155 cluster->GetPosition(posF);\r
1156 Char_t ttype = AliAODCluster::kUndef; \r
1157\r
1158 if (cluster->GetClusterType() == AliESDCaloCluster::kPHOSCluster) {\r
1159 ttype=AliAODCluster::kPHOSNeutral;\r
1160 } \r
1161 else if (cluster->GetClusterType() == AliESDCaloCluster::kEMCALClusterv1) {\r
1162 ttype = AliAODCluster::kEMCALClusterv1;\r
1163 }\r
1164\r
1165 \r
1166 AliAODCaloCluster *caloCluster = new(caloClusters[jClusters++]) AliAODCaloCluster(id,\r
1167 nLabel,\r
1168 label,\r
1169 energy,\r
1170 posF,\r
1171 NULL,\r
1172 ttype);\r
1173 \r
1174 caloCluster->SetCaloCluster(cluster->GetDistanceToBadChannel(),\r
1175 cluster->GetClusterDisp(),\r
1176 cluster->GetM20(), cluster->GetM02(),\r
1177 cluster->GetEmcCpvDistance(), \r
1178 cluster->GetNExMax(),cluster->GetTOF()) ;\r
1179\r
1180 caloCluster->SetPIDFromESD(cluster->GetPid());\r
1181 caloCluster->SetNCells(cluster->GetNCells());\r
1182 caloCluster->SetCellsAbsId(cluster->GetCellsAbsId());\r
1183 caloCluster->SetCellsAmplitudeFraction(cluster->GetCellsAmplitudeFraction());\r
1184\r
1185 TArrayI* matchedT = cluster->GetTracksMatched();\r
1186 if (nTracks>0 && matchedT && cluster->GetTrackMatched() >= 0) { \r
1187 for (Int_t im = 0; im < matchedT->GetSize(); im++) {\r
1188 Int_t iESDtrack = matchedT->At(im);;\r
1189 if (aodTrackRefs->At(iESDtrack) != 0) {\r
1190 caloCluster->AddTrackMatched((AliAODTrack*)aodTrackRefs->At(iESDtrack));\r
1191 }\r
1192 }\r
1193 }\r
1194 \r
1195 } \r
1196 caloClusters.Expand(jClusters); // resize TObjArray to 'remove' slots for pseudo clusters \r
1197 // end of loop on calo clusters\r
1198\r
1199 // fill EMCAL cell info\r
1200 if (esd->GetEMCALCells()) { // protection against missing ESD information\r
1201 AliESDCaloCells &esdEMcells = *(esd->GetEMCALCells());\r
1202 Int_t nEMcell = esdEMcells.GetNumberOfCells() ;\r
1203 \r
1204 AliAODCaloCells &aodEMcells = *(AODEvent()->GetEMCALCells());\r
1205 aodEMcells.CreateContainer(nEMcell);\r
1206 aodEMcells.SetType(AliAODCaloCells::kEMCAL);\r
1207 for (Int_t iCell = 0; iCell < nEMcell; iCell++) { \r
1208 aodEMcells.SetCell(iCell,esdEMcells.GetCellNumber(iCell),esdEMcells.GetAmplitude(iCell));\r
1209 }\r
1210 aodEMcells.Sort();\r
1211 }\r
1212\r
1213 // fill PHOS cell info\r
1214 if (esd->GetPHOSCells()) { // protection against missing ESD information\r
1215 AliESDCaloCells &esdPHcells = *(esd->GetPHOSCells());\r
1216 Int_t nPHcell = esdPHcells.GetNumberOfCells() ;\r
1217 \r
1218 AliAODCaloCells &aodPHcells = *(AODEvent()->GetPHOSCells());\r
1219 aodPHcells.CreateContainer(nPHcell);\r
1220 aodPHcells.SetType(AliAODCaloCells::kPHOS);\r
1221 for (Int_t iCell = 0; iCell < nPHcell; iCell++) { \r
1222 aodPHcells.SetCell(iCell,esdPHcells.GetCellNumber(iCell),esdPHcells.GetAmplitude(iCell));\r
1223 }\r
1224 aodPHcells.Sort();\r
1225 }\r
1226\r
1227 // tracklets \r
1228 AliAODTracklets &SPDTracklets = *(AODEvent()->GetTracklets());\r
1229 const AliMultiplicity *mult = esd->GetMultiplicity();\r
1230 if (mult) {\r
1231 if (mult->GetNumberOfTracklets()>0) {\r
1232 SPDTracklets.CreateContainer(mult->GetNumberOfTracklets());\r
1233\r
1234 for (Int_t n=0; n<mult->GetNumberOfTracklets(); n++) {\r
1235 if(mcH){\r
1236 mcH->SelectParticle(mult->GetLabel(n, 0));\r
1237 mcH->SelectParticle(mult->GetLabel(n, 1));\r
1238 }\r
1239 SPDTracklets.SetTracklet(n, mult->GetTheta(n), mult->GetPhi(n), mult->GetDeltaPhi(n), mult->GetLabel(n, 0),mult->GetLabel(n, 1));\r
1240 }\r
1241 }\r
1242 } else {\r
1243 //Printf("ERROR: AliMultiplicity could not be retrieved from ESD");\r
1244 }\r
1245\r
1246 delete [] usedKink;\r
1247 delete [] usedV0;\r
1248 delete [] usedTrack; \r
1249 delete aodV0Refs;\r
1250 delete aodV0VtxRefs;\r
1251 delete aodTrackRefs;\r
1252\r
1253 return;\r
1254}\r
1255\r
1256\r
1257void AliAnalysisTaskESDfilter::SetAODPID(AliESDtrack *esdtrack, AliAODTrack *aodtrack, AliAODPid *detpid, Double_t timezero, Double_t bfield)\r
1258{\r
1259 //\r
1260 // Setter for the raw PID detector signals\r
1261 //\r
1262\r
1263 // Save PID object for candidate electrons\r
1264 Bool_t pidSave = kFALSE;\r
1265 if (fTrackFilter) {\r
0c6c629b 1266 Bool_t selectInfo = fTrackFilter->IsSelected((char*) "Electrons");\r
f7ed7e88 1267 if (selectInfo) pidSave = kTRUE;\r
1268 }\r
1269\r
1270\r
1271 // Tracks passing pt cut \r
1272 if(esdtrack->Pt()>fHighPthreshold) {\r
1273 pidSave = kTRUE;\r
1274 } else {\r
1275 if(fPtshape){\r
1276 if(esdtrack->Pt()> fPtshape->GetXmin()){\r
1277 Double_t y = fPtshape->Eval(esdtrack->Pt())/fPtshape->Eval(fHighPthreshold);\r
1278 if(gRandom->Rndm(0)<1./y){\r
1279 pidSave = kTRUE;\r
1280 }//end rndm\r
1281 }//end if p < pmin\r
1282 }//end if p function\r
1283 }// end else\r
1284\r
1285 if (pidSave) {\r
6ece2430 1286 if(!aodtrack->GetDetPid()){// prevent memory leak when calling SetAODPID twice for the same track\r
f7ed7e88 1287 detpid = new AliAODPid();\r
1288 SetDetectorRawSignals(detpid,esdtrack,timezero, bfield);\r
1289 aodtrack->SetDetPID(detpid);\r
6ece2430 1290 }\r
f7ed7e88 1291 }\r
1292}\r
1293\r
1294void AliAnalysisTaskESDfilter::SetDetectorRawSignals(AliAODPid *aodpid, AliESDtrack *track, Double_t timezero, Double_t bfield)\r
1295{\r
1296//\r
1297//assignment of the detector signals (AliXXXesdPID inspired)\r
1298//\r
1299 if(!track){\r
1300 AliInfo("no ESD track found. .....exiting");\r
1301 return;\r
1302 }\r
febefa51 1303 // TPC momentum\r
1304 const AliExternalTrackParam *in=track->GetInnerParam();\r
1305 if (in) {\r
1306 aodpid->SetTPCmomentum(in->GetP());\r
1307 }else{\r
1308 aodpid->SetTPCmomentum(-1.);\r
1309 }\r
1310\r
f7ed7e88 1311\r
1312 aodpid->SetITSsignal(track->GetITSsignal());\r
1313 aodpid->SetTPCsignal(track->GetTPCsignal());\r
f7ed7e88 1314\r
febefa51 1315 //n TRD planes = 6\r
f7ed7e88 1316 Int_t nslices = track->GetNumberOfTRDslices()*6;\r
1317 Double_t *trdslices = new Double_t[nslices];\r
1318 for(Int_t iSl =0; iSl < track->GetNumberOfTRDslices(); iSl++) {\r
febefa51 1319 for(Int_t iPl =0; iPl<6; iPl++) trdslices[iPl*track->GetNumberOfTRDslices()+iSl] = track->GetTRDslice(iPl,iSl);\r
1320 }\r
1321 \r
1322//TRD momentum\r
1323 for(Int_t iPl=0;iPl<6;iPl++){\r
1324 Double_t trdmom=track->GetTRDmomentum(iPl);\r
1325 aodpid->SetTRDmomentum(iPl,trdmom);\r
1326 }\r
f7ed7e88 1327\r
1328 aodpid->SetTRDsignal(track->GetNumberOfTRDslices()*6,trdslices);\r
1329 Double_t times[AliAODPid::kSPECIES]; track->GetIntegratedTimes(times);\r
1330 aodpid->SetIntegratedTimes(times);\r
1331\r
1332 aodpid->SetTOFsignal(track->GetTOFsignal()-timezero); // to be fixed\r
1333 aodpid->SetHMPIDsignal(track->GetHMPIDsignal());\r
1334\r
1335 //Extrapolate track to EMCAL surface for AOD-level track-cluster matching\r
1336 Double_t emcpos[3] = {0.,0.,0.};\r
1337 Double_t emcmom[3] = {0.,0.,0.};\r
1338 aodpid->SetEMCALPosition(emcpos);\r
1339 aodpid->SetEMCALMomentum(emcmom);\r
1340\r
1341 AliExternalTrackParam *outerparam = (AliExternalTrackParam*)track->GetOuterParam();\r
1342 if(!outerparam) return;\r
1343\r
1344 //To be replaced by call to AliEMCALGeoUtils when the class becomes available\r
1345 Double_t radius = 441.0; //[cm] EMCAL radius +13cm\r
1346\r
1347 Bool_t okpos = outerparam->GetXYZAt(radius,bfield,emcpos);\r
1348 Bool_t okmom = outerparam->GetPxPyPzAt(radius,bfield,emcmom);\r
1349 if(!(okpos && okmom)) return;\r
1350\r
1351 aodpid->SetEMCALPosition(emcpos);\r
1352 aodpid->SetEMCALMomentum(emcmom);\r
1353\r
1354}\r
1355\r
40a060e5 1356Double_t AliAnalysisTaskESDfilter::Chi2perNDF(AliESDtrack* track)\r
1357{\r
1358 // Calculate chi2 per ndf for track\r
1359 Int_t nClustersTPC = track->GetTPCNcls();\r
1360\r
1361 if ( nClustersTPC > 5) {\r
1362 return (track->GetTPCchi2()/Float_t(nClustersTPC - 5));\r
1363 } else {\r
1364 return (-1.);\r
1365 }\r
1366 }\r
1367\r
1368\r
1369\r
f7ed7e88 1370void AliAnalysisTaskESDfilter::Terminate(Option_t */*option*/)\r
1371{\r
1372// Terminate analysis\r
1373//\r
1374 if (fDebug > 1) printf("AnalysisESDfilter: Terminate() \n");\r
1375}\r
1376\r
1377void AliAnalysisTaskESDfilter::PrintMCInfo(AliStack *pStack,Int_t label){\r
1378 if(!pStack)return;\r
1379 label = TMath::Abs(label);\r
1380 TParticle *part = pStack->Particle(label);\r
1381 Printf("########################");\r
1382 Printf("%s:%d %d UniqueID %d PDG %d P %3.3f",(char*)__FILE__,__LINE__,label,part->GetUniqueID(),part->GetPdgCode(),part->P());\r
1383 part->Print();\r
1384 TParticle* mother = part;\r
1385 Int_t imo = part->GetFirstMother();\r
1386 Int_t nprim = pStack->GetNprimary();\r
1387 // while((imo >= nprim) && (mother->GetUniqueID() == 4)) {\r
1388 while((imo >= nprim)) {\r
1389 mother = pStack->Particle(imo);\r
1390 Printf("Mother %s:%d Label %d UniqueID %d PDG %d P %3.3f",(char*)__FILE__,__LINE__,imo,mother->GetUniqueID(),mother->GetPdgCode(),mother->P());\r
1391 mother->Print();\r
1392 imo = mother->GetFirstMother();\r
1393 }\r
1394 Printf("########################");\r
1395}\r