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