ANALYSIS/AliAnalysisTaskESDfilter.cxx

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