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