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