ANALYSIS/AliAnalysisTaskESDfilter.cxx

   1 /**************************************************************************
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   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
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  15
  16 /* $Id: AliAnalysisTaskESDfilter.cxx 24535 2008-03-16 22:43:30Z fca $ */
  17
  18 #include <TChain.h>
  19 #include <TFile.h>
  20 #include <TArrayI.h>
  21
  22 #include "AliAnalysisTaskESDfilter.h"
  23 #include "AliAnalysisManager.h"
  24 #include "AliESDEvent.h"
  25 #include "AliAODEvent.h"
  26 #include "AliESDInputHandler.h"
  27 #include "AliAODHandler.h"
  28 #include "AliAnalysisFilter.h"
  29 #include "AliESDtrack.h"
  30 #include "AliESDMuonTrack.h"
  31 #include "AliESDVertex.h"
  32 #include "AliESDv0.h"
  33 #include "AliESDkink.h"
  34 #include "AliESDcascade.h"
  35 #include "AliESDPmdTrack.h"
  36 #include "AliESDCaloCluster.h"
  37 #include "AliESDCaloCells.h"
  38 #include "AliMultiplicity.h"
  39 #include "AliLog.h"
  40
  41 ClassImp(AliAnalysisTaskESDfilter)
  42
  43 ////////////////////////////////////////////////////////////////////////
  44
  45 AliAnalysisTaskESDfilter::AliAnalysisTaskESDfilter():
  46     AliAnalysisTaskSE(),
  47     fTrackFilter(0x0),
  48     fKinkFilter(0x0),
  49     fV0Filter(0x0)
  50 {
  51   // Default constructor
  52 }
  53
  54 AliAnalysisTaskESDfilter::AliAnalysisTaskESDfilter(const char* name):
  55     AliAnalysisTaskSE(name),
  56     fTrackFilter(0x0),
  57     fKinkFilter(0x0),
  58     fV0Filter(0x0)
  59 {
  60   // Constructor
  61 }
  62
  63 void AliAnalysisTaskESDfilter::UserCreateOutputObjects()
  64 {
  65 // Create the output container
  66     OutputTree()->GetUserInfo()->Add(fTrackFilter);
  67 }
  68
  69 void AliAnalysisTaskESDfilter::Init()
  70 {
  71     // Initialization
  72     if (fDebug > 1) AliInfo("Init() \n");
  73     // Call configuration file
  74 }
  75
  76
  77 void AliAnalysisTaskESDfilter::UserExec(Option_t */*option*/)
  78 {
  79 // Execute analysis for current event
  80 //
  81
  82   Long64_t ientry = Entry();
  83   if (fDebug > 0) printf("Filter: Analysing event # %5d\n", (Int_t) ientry);
  84
  85   ConvertESDtoAOD();
  86 }
  87
  88 void AliAnalysisTaskESDfilter::ConvertESDtoAOD() {
  89     // ESD Filter analysis task executed for each event
  90     AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent());
  91     AliESD* old = esd->GetAliESDOld();
  92
  93     // set arrays and pointers
  94     Float_t posF[3];
  95     Double_t pos[3];
  96     Double_t p[3];
  97     Double_t p_pos[3];
  98     Double_t p_neg[3];
  99     Double_t covVtx[6];
 100     Double_t covTr[21];
 101     Double_t pid[10];
 102
 103     for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 104     for (Int_t i = 0; i < 21; i++) covTr [i] = 0.;
 105
 106
 107   // loop over events and fill them
 108
 109   // Multiplicity information needed by the header (to be revised!)
 110     Int_t nTracks    = esd->GetNumberOfTracks();
 111     Int_t nPosTracks = 0;
 112     for (Int_t iTrack = 0; iTrack < nTracks; ++iTrack)
 113         if (esd->GetTrack(iTrack)->GetSign()> 0) nPosTracks++;
 114
 115     // Update the header
 116
 117     AliAODHeader* header = AODEvent()->GetHeader();
 118     header->SetRunNumber(esd->GetRunNumber());
 119     if (old) {
 120         header->SetBunchCrossNumber(0);
 121         header->SetOrbitNumber(0);
 122         header->SetPeriodNumber(0);
 123         header->SetEventType(0);
 124         header->SetMuonMagFieldScale(-999.); // FIXME
 125         header->SetCentrality(-999.);        // FIXME
 126     } else {
 127         header->SetBunchCrossNumber(esd->GetBunchCrossNumber());
 128         header->SetOrbitNumber(esd->GetOrbitNumber());
 129         header->SetPeriodNumber(esd->GetPeriodNumber());
 130         header->SetEventType(esd->GetEventType());
 131         header->SetMuonMagFieldScale(-999.); // FIXME
 132         header->SetCentrality(-999.);        // FIXME
 133     }
 134
 135     header->SetTriggerMask(esd->GetTriggerMask());
 136     header->SetTriggerCluster(esd->GetTriggerCluster());
 137     header->SetMagneticField(esd->GetMagneticField());
 138     header->SetZDCN1Energy(esd->GetZDCN1Energy());
 139     header->SetZDCP1Energy(esd->GetZDCP1Energy());
 140     header->SetZDCN2Energy(esd->GetZDCN2Energy());
 141     header->SetZDCP2Energy(esd->GetZDCP2Energy());
 142     header->SetZDCEMEnergy(esd->GetZDCEMEnergy(0),esd->GetZDCEMEnergy(1));
 143     header->SetRefMultiplicity(nTracks);
 144     header->SetRefMultiplicityPos(nPosTracks);
 145     header->SetRefMultiplicityNeg(nTracks - nPosTracks);
 146 //
 147 //
 148     Int_t nV0s      = esd->GetNumberOfV0s();
 149     Int_t nCascades = esd->GetNumberOfCascades();
 150     Int_t nKinks    = esd->GetNumberOfKinks();
 151     Int_t nVertices = nV0s + 2*nCascades /*could lead to two vertices, one V0 and the Xi */+ nKinks + 1 /* = prim. vtx*/;
 152     Int_t nJets     = 0;
 153     Int_t nCaloClus = esd->GetNumberOfCaloClusters();
 154     Int_t nFmdClus  = 0;
 155     Int_t nPmdClus  = esd->GetNumberOfPmdTracks();
 156
 157     if (fDebug > 0)
 158         printf("   NV0=%d  NCASCADES=%d  NKINKS=%d\n", nV0s, nCascades, nKinks);
 159
 160     AODEvent()->ResetStd(nTracks, nVertices, nV0s+nCascades, nJets, nCaloClus, nFmdClus, nPmdClus);
 161
 162     AliAODTrack *aodTrack = 0x0;
 163
 164     // Array to take into account the tracks already added to the AOD
 165     Bool_t * usedTrack = NULL;
 166     if (nTracks>0) {
 167         usedTrack = new Bool_t[nTracks];
 168         for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) usedTrack[iTrack]=kFALSE;
 169     }
 170     // Array to take into account the V0s already added to the AOD
 171     Bool_t * usedV0 = NULL;
 172     if (nV0s>0) {
 173         usedV0 = new Bool_t[nV0s];
 174         for (Int_t iV0=0; iV0<nV0s; ++iV0) usedV0[iV0]=kFALSE;
 175     }
 176     // Array to take into account the kinks already added to the AOD
 177     Bool_t * usedKink = NULL;
 178     if (nKinks>0) {
 179         usedKink = new Bool_t[nKinks];
 180         for (Int_t iKink=0; iKink<nKinks; ++iKink) usedKink[iKink]=kFALSE;
 181     }
 182
 183     // Access to the AOD container of vertices
 184     TClonesArray &vertices = *(AODEvent()->GetVertices());
 185     Int_t jVertices=0;
 186
 187     // Access to the AOD container of tracks
 188     TClonesArray &tracks = *(AODEvent()->GetTracks());
 189     Int_t jTracks=0;
 190
 191     // Access to the AOD container of V0s
 192     TClonesArray &V0s = *(AODEvent()->GetV0s());
 193     Int_t jV0s=0;
 194
 195     // Add primary vertex. The primary tracks will be defined
 196     // after the loops on the composite objects (V0, cascades, kinks)
 197     const AliESDVertex *vtx = esd->GetPrimaryVertex();
 198
 199     vtx->GetXYZ(pos); // position
 200     vtx->GetCovMatrix(covVtx); //covariance matrix
 201
 202     AliAODVertex * primary = new(vertices[jVertices++])
 203         AliAODVertex(pos, covVtx, vtx->GetChi2toNDF(), NULL, AliAODVertex::kPrimary);
 204     if (fDebug > 0) primary->Print();
 205
 206     // Create vertices starting from the most complex objects
 207     Double_t chi2 = 0.;
 208
 209     // Cascades
 210     for (Int_t nCascade = 0; nCascade < nCascades; ++nCascade) {
 211         AliESDcascade *cascade = esd->GetCascade(nCascade);
 212
 213         cascade->GetXYZ(pos[0], pos[1], pos[2]);
 214
 215         if (!old) {
 216             chi2 = cascade->GetChi2Xi(); // = chi2/NDF since NDF = 2*2-3
 217             cascade->GetPosCovXi(covVtx);
 218         } else {
 219             chi2 = -999.;
 220             for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 221         }
 222         // Add the cascade vertex
 223         AliAODVertex * vcascade = new(vertices[jVertices++]) AliAODVertex(pos,
 224                                                                           covVtx,
 225                                                                           chi2,
 226                                                                           primary,
 227                                                                           nCascade,
 228                                                                           AliAODVertex::kCascade);
 229
 230         primary->AddDaughter(vcascade);
 231
 232         // Add the V0 from the cascade. The ESD class have to be optimized...
 233         // Now we have to search for the corresponding Vo in the list of V0s
 234         // using the indeces of the positive and negative tracks
 235
 236         Int_t posFromV0 = cascade->GetPindex();
 237         Int_t negFromV0 = cascade->GetNindex();
 238
 239
 240         AliESDv0 * v0 = 0x0;
 241         Int_t indV0 = -1;
 242
 243         for (Int_t iV0=0; iV0<nV0s; ++iV0) {
 244
 245             v0 = esd->GetV0(iV0);
 246             Int_t posV0 = v0->GetPindex();
 247             Int_t negV0 = v0->GetNindex();
 248
 249             if (posV0==posFromV0 && negV0==negFromV0) {
 250                 indV0 = iV0;
 251                 break;
 252             }
 253         }
 254
 255         AliAODVertex * vV0FromCascade = 0x0;
 256
 257         if (indV0>-1 && !usedV0[indV0] ) {
 258
 259             // the V0 exists in the array of V0s and is not used
 260
 261             usedV0[indV0] = kTRUE;
 262
 263             v0->GetXYZ(pos[0], pos[1], pos[2]);
 264             if (!old) {
 265                 chi2 = v0->GetChi2V0();  // = chi2/NDF since NDF = 2*2-3
 266                 v0->GetPosCov(covVtx);
 267             } else {
 268                 chi2 = -999.;
 269                 for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 270             }
 271
 272             vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos,
 273                                                                      covVtx,
 274                                                                      chi2,
 275                                                                      vcascade,
 276                                                                      indV0,
 277                                                                      AliAODVertex::kV0);
 278         } else {
 279
 280             // the V0 doesn't exist in the array of V0s or was used
 281 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 282 //               << " The V0 " << indV0
 283 //               << " doesn't exist in the array of V0s or was used!" << endl;
 284
 285             cascade->GetXYZ(pos[0], pos[1], pos[2]);
 286
 287             if (!old) {
 288                 chi2 = v0->GetChi2V0();
 289                 cascade->GetPosCov(covVtx);
 290             } else {
 291                 chi2 = -999.;
 292                 for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 293             }
 294
 295             vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos,
 296                                                                      covVtx,
 297                                                                      chi2, // = chi2/NDF since NDF = 2*2-3 (AM)
 298                                                                      vcascade,
 299                                                                      indV0,
 300                                                                      AliAODVertex::kV0);
 301             vcascade->AddDaughter(vV0FromCascade);
 302         }
 303
 304         // Add the positive tracks from the V0
 305
 306         if (posFromV0>-1 && !usedTrack[posFromV0]) {
 307
 308             usedTrack[posFromV0] = kTRUE;
 309
 310             AliESDtrack *esdTrack = esd->GetTrack(posFromV0);
 311             esdTrack->GetPxPyPz(p_pos);
 312             esdTrack->GetXYZ(pos);
 313             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 314             esdTrack->GetESDpid(pid);
 315
 316             vV0FromCascade->AddDaughter(aodTrack =
 317                                         new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 318                                                                            esdTrack->GetLabel(),
 319                                                                            p_pos,
 320                                                                            kTRUE,
 321                                                                            pos,
 322                                                                            kFALSE,
 323                                                                            covTr,
 324                                                                            (Short_t)esdTrack->GetSign(),
 325                                                                            esdTrack->GetITSClusterMap(),
 326                                                                            pid,
 327                                                                            vV0FromCascade,
 328                                                                            kTRUE,  // check if this is right
 329                                                                            kFALSE, // check if this is right
 330                                                                            AliAODTrack::kSecondary)
 331                 );
 332             aodTrack->ConvertAliPIDtoAODPID();
 333             aodTrack->SetFlags(esdTrack->GetStatus());
 334         }
 335         else {
 336 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 337 //               << " track " << posFromV0 << " has already been used!" << endl;
 338         }
 339
 340         // Add the negative tracks from the V0
 341
 342         if (negFromV0>-1 && !usedTrack[negFromV0]) {
 343
 344             usedTrack[negFromV0] = kTRUE;
 345
 346             AliESDtrack *esdTrack = esd->GetTrack(negFromV0);
 347             esdTrack->GetPxPyPz(p_neg);
 348             esdTrack->GetXYZ(pos);
 349             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 350             esdTrack->GetESDpid(pid);
 351
 352             vV0FromCascade->AddDaughter(aodTrack =
 353                                         new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 354                                                                            esdTrack->GetLabel(),
 355                                                                            p_neg,
 356                                                                            kTRUE,
 357                                                                            pos,
 358                                                                            kFALSE,
 359                                                                            covTr,
 360                                                                            (Short_t)esdTrack->GetSign(),
 361                                                                            esdTrack->GetITSClusterMap(),
 362                                                                            pid,
 363                                                                            vV0FromCascade,
 364                                                                            kTRUE,  // check if this is right
 365                                                                            kFALSE, // check if this is right
 366                                                                            AliAODTrack::kSecondary)
 367                 );
 368             aodTrack->ConvertAliPIDtoAODPID();
 369             aodTrack->SetFlags(esdTrack->GetStatus());
 370         }
 371         else {
 372 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 373 //               << " track " << negFromV0 << " has already been used!" << endl;
 374         }
 375
 376         // add it to the V0 array as well
 377         Double_t d0[2] = { -999., -99.};
 378         // counting is probably wrong
 379         new(V0s[jV0s++]) AliAODv0(vV0FromCascade, -999., -99., p_pos, p_neg, d0); // to be refined
 380
 381         // Add the bachelor track from the cascade
 382
 383         Int_t bachelor = cascade->GetBindex();
 384
 385         if(bachelor>-1 && !usedTrack[bachelor]) {
 386
 387             usedTrack[bachelor] = kTRUE;
 388
 389             AliESDtrack *esdTrack = esd->GetTrack(bachelor);
 390             esdTrack->GetPxPyPz(p);
 391             esdTrack->GetXYZ(pos);
 392             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 393             esdTrack->GetESDpid(pid);
 394
 395             vcascade->AddDaughter(aodTrack =
 396                                   new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 397                                                                      esdTrack->GetLabel(),
 398                                                                      p,
 399                                                                      kTRUE,
 400                                                                      pos,
 401                                                                      kFALSE,
 402                                                                      covTr,
 403                                                                      (Short_t)esdTrack->GetSign(),
 404                                                                      esdTrack->GetITSClusterMap(),
 405                                                                      pid,
 406                                                                      vcascade,
 407                                                                      kTRUE,  // check if this is right
 408                                                                      kFALSE, // check if this is right
 409                                                                      AliAODTrack::kSecondary)
 410                 );
 411             aodTrack->ConvertAliPIDtoAODPID();
 412             aodTrack->SetFlags(esdTrack->GetStatus());
 413         }
 414         else {
 415 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 416 //               << " track " << bachelor << " has already been used!" << endl;
 417         }
 418
 419         // Add the primary track of the cascade (if any)
 420
 421     } // end of the loop on cascades
 422
 423     // V0s
 424
 425     for (Int_t nV0 = 0; nV0 < nV0s; ++nV0) {
 426
 427         if (usedV0[nV0]) continue; // skip if aready added to the AOD
 428
 429         AliESDv0 *v0 = esd->GetV0(nV0);
 430
 431         v0->GetXYZ(pos[0], pos[1], pos[2]);
 432
 433         if (!old) {
 434             chi2 = v0->GetChi2V0(); // = chi2/NDF since NDF = 2*2-3
 435             v0->GetPosCov(covVtx);
 436         } else {
 437             chi2 = -999.;
 438             for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 439         }
 440
 441
 442         AliAODVertex * vV0 =
 443           new(vertices[jVertices++]) AliAODVertex(pos,
 444                                                   covVtx,
 445                                                   chi2,
 446                                                   primary,
 447                                                   nV0,
 448                                                   AliAODVertex::kV0);
 449         primary->AddDaughter(vV0);
 450
 451         Int_t posFromV0 = v0->GetPindex();
 452         Int_t negFromV0 = v0->GetNindex();
 453
 454         // Add the positive tracks from the V0
 455
 456         if (posFromV0>-1 && !usedTrack[posFromV0]) {
 457
 458             usedTrack[posFromV0] = kTRUE;
 459
 460             AliESDtrack *esdTrack = esd->GetTrack(posFromV0);
 461             esdTrack->GetPxPyPz(p_pos);
 462             esdTrack->GetXYZ(pos);
 463             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 464             esdTrack->GetESDpid(pid);
 465
 466             vV0->AddDaughter(aodTrack =
 467                              new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 468                                                                 esdTrack->GetLabel(),
 469                                                                 p_pos,
 470                                                                 kTRUE,
 471                                                                 pos,
 472                                                                 kFALSE,
 473                                                                 covTr,
 474                                                                 (Short_t)esdTrack->GetSign(),
 475                                                                 esdTrack->GetITSClusterMap(),
 476                                                                 pid,
 477                                                                 vV0,
 478                                                                 kTRUE,  // check if this is right
 479                                                                 kFALSE, // check if this is right
 480                                                                 AliAODTrack::kSecondary)
 481                 );
 482             aodTrack->ConvertAliPIDtoAODPID();
 483             aodTrack->SetFlags(esdTrack->GetStatus());
 484         }
 485         else {
 486 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " V0 " << nV0
 487 //               << " track " << posFromV0 << " has already been used!" << endl;
 488         }
 489
 490         // Add the negative tracks from the V0
 491
 492         if (negFromV0>-1 && !usedTrack[negFromV0]) {
 493
 494             usedTrack[negFromV0] = kTRUE;
 495
 496             AliESDtrack *esdTrack = esd->GetTrack(negFromV0);
 497             esdTrack->GetPxPyPz(p_neg);
 498             esdTrack->GetXYZ(pos);
 499             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 500             esdTrack->GetESDpid(pid);
 501
 502             vV0->AddDaughter(aodTrack =
 503                              new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 504                                                                 esdTrack->GetLabel(),
 505                                                                 p_neg,
 506                                                                 kTRUE,
 507                                                                 pos,
 508                                                                 kFALSE,
 509                                                                 covTr,
 510                                                                 (Short_t)esdTrack->GetSign(),
 511                                                                 esdTrack->GetITSClusterMap(),
 512                                                                 pid,
 513                                                                 vV0,
 514                                                                 kTRUE,  // check if this is right
 515                                                                 kFALSE, // check if this is right
 516                                                                 AliAODTrack::kSecondary)
 517                 );
 518             aodTrack->ConvertAliPIDtoAODPID();
 519             aodTrack->SetFlags(esdTrack->GetStatus());
 520         }
 521         else {
 522 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " V0 " << nV0
 523 //               << " track " << negFromV0 << " has already been used!" << endl;
 524         }
 525
 526         // add it to the V0 array as well
 527         Double_t d0[2] = { 999., 99.};
 528         new(V0s[jV0s++]) AliAODv0(vV0, 999., 99., p_pos, p_neg, d0); // to be refined
 529     }
 530     V0s.Expand(jV0s);
 531     // end of the loop on V0s
 532
 533     // Kinks: it is a big mess the access to the information in the kinks
 534     // The loop is on the tracks in order to find the mother and daugther of each kink
 535
 536
 537     for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) {
 538
 539         AliESDtrack * esdTrack = esd->GetTrack(iTrack);
 540
 541         Int_t ikink = esdTrack->GetKinkIndex(0);
 542
 543         if (ikink && nKinks) {
 544             // Negative kink index: mother, positive: daughter
 545
 546             // Search for the second track of the kink
 547
 548             for (Int_t jTrack = iTrack+1; jTrack<nTracks; ++jTrack) {
 549
 550                 AliESDtrack * esdTrack1 = esd->GetTrack(jTrack);
 551
 552                 Int_t jkink = esdTrack1->GetKinkIndex(0);
 553
 554                 if ( TMath::Abs(ikink)==TMath::Abs(jkink) ) {
 555
 556                     // The two tracks are from the same kink
 557
 558                     if (usedKink[TMath::Abs(ikink)-1]) continue; // skip used kinks
 559
 560                     Int_t imother = -1;
 561                     Int_t idaughter = -1;
 562
 563                     if (ikink<0 && jkink>0) {
 564
 565                         imother = iTrack;
 566                         idaughter = jTrack;
 567                     }
 568                     else if (ikink>0 && jkink<0) {
 569
 570                         imother = jTrack;
 571                         idaughter = iTrack;
 572                     }
 573                     else {
 574 //                      cerr << "Error: Wrong combination of kink indexes: "
 575 //                           << ikink << " " << jkink << endl;
 576                         continue;
 577                     }
 578
 579                     // Add the mother track
 580
 581                     AliAODTrack * mother = NULL;
 582
 583                     if (!usedTrack[imother]) {
 584
 585                         usedTrack[imother] = kTRUE;
 586
 587                         AliESDtrack *esdTrack = esd->GetTrack(imother);
 588                         esdTrack->GetPxPyPz(p);
 589                         esdTrack->GetXYZ(pos);
 590                         esdTrack->GetCovarianceXYZPxPyPz(covTr);
 591                         esdTrack->GetESDpid(pid);
 592
 593                         mother =
 594                             new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 595                                                                esdTrack->GetLabel(),
 596                                                                p,
 597                                                                kTRUE,
 598                                                                pos,
 599                                                                kFALSE,
 600                                                                covTr,
 601                                                                (Short_t)esdTrack->GetSign(),
 602                                                                esdTrack->GetITSClusterMap(),
 603                                                                pid,
 604                                                                primary,
 605                                                                kTRUE, // check if this is right
 606                                                                kTRUE, // check if this is right
 607                                                                AliAODTrack::kPrimary);
 608                         mother->SetFlags(esdTrack->GetStatus());
 609                         mother->ConvertAliPIDtoAODPID();
 610                         primary->AddDaughter(mother);
 611                         mother->ConvertAliPIDtoAODPID();
 612                     }
 613                     else {
 614 //                      cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1
 615 //                           << " track " << imother << " has already been used!" << endl;
 616                   }
 617
 618                     // Add the kink vertex
 619                     AliESDkink * kink = esd->GetKink(TMath::Abs(ikink)-1);
 620
 621                     AliAODVertex * vkink =
 622                         new(vertices[jVertices++]) AliAODVertex(kink->GetPosition(),
 623                                                                 NULL,
 624                                                                 0.,
 625                                                                 mother,
 626                                                                 esdTrack->GetID(),  // This is the track ID of the mother's track!
 627                                                                 AliAODVertex::kKink);
 628                     // Add the daughter track
 629
 630                     AliAODTrack * daughter = NULL;
 631
 632                     if (!usedTrack[idaughter]) {
 633
 634                         usedTrack[idaughter] = kTRUE;
 635
 636                         AliESDtrack *esdTrack = esd->GetTrack(idaughter);
 637                         esdTrack->GetPxPyPz(p);
 638                         esdTrack->GetXYZ(pos);
 639                         esdTrack->GetCovarianceXYZPxPyPz(covTr);
 640                         esdTrack->GetESDpid(pid);
 641
 642                         daughter =
 643                             new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 644                                                                esdTrack->GetLabel(),
 645                                                                p,
 646                                                                kTRUE,
 647                                                                pos,
 648                                                                kFALSE,
 649                                                                covTr,
 650                                                                (Short_t)esdTrack->GetSign(),
 651                                                                esdTrack->GetITSClusterMap(),
 652                                                                pid,
 653                                                                vkink,
 654                                                                kTRUE, // check if this is right
 655                                                                kTRUE, // check if this is right
 656                                                                AliAODTrack::kPrimary);
 657                         daughter->SetFlags(esdTrack->GetStatus());
 658                         daughter->ConvertAliPIDtoAODPID();
 659                         vkink->AddDaughter(daughter);
 660                         daughter->ConvertAliPIDtoAODPID();
 661                     }
 662                     else {
 663 //                      cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1
 664 //                           << " track " << idaughter << " has already been used!" << endl;
 665                     }
 666                 }
 667             }
 668         }
 669     }
 670
 671
 672     // Tracks (primary and orphan)
 673
 674     if (fDebug > 0) printf("NUMBER OF TRACKS %5d\n", nTracks);
 675
 676     for (Int_t nTrack = 0; nTrack < nTracks; ++nTrack) {
 677
 678
 679         if (usedTrack[nTrack]) continue;
 680
 681         AliESDtrack *esdTrack = esd->GetTrack(nTrack);
 682         UInt_t selectInfo = 0;
 683         //
 684         // Track selection
 685         if (fTrackFilter) {
 686             selectInfo = fTrackFilter->IsSelected(esdTrack);
 687             if (!selectInfo) continue;
 688         }
 689
 690         //
 691         esdTrack->GetPxPyPz(p);
 692         esdTrack->GetXYZ(pos);
 693         esdTrack->GetCovarianceXYZPxPyPz(covTr);
 694         esdTrack->GetESDpid(pid);
 695
 696         Float_t impactXY, impactZ;
 697
 698         esdTrack->GetImpactParameters(impactXY,impactZ);
 699
 700         if (impactXY<3) {
 701             // track inside the beam pipe
 702
 703             primary->AddDaughter(aodTrack =
 704                                  new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 705                                                                     esdTrack->GetLabel(),
 706                                                                     p,
 707                                                                     kTRUE,
 708                                                                     pos,
 709                                                                     kFALSE,
 710                                                                     covTr,
 711                                                                     (Short_t)esdTrack->GetSign(),
 712                                                                     esdTrack->GetITSClusterMap(),
 713                                                                     pid,
 714                                                                     primary,
 715                                                                     kTRUE, // check if this is right
 716                                                                     kTRUE, // check if this is right
 717                                                                     AliAODTrack::kPrimary,
 718                                                                     selectInfo)
 719                 );
 720             aodTrack->SetFlags(esdTrack->GetStatus());
 721             aodTrack->ConvertAliPIDtoAODPID();
 722         }
 723         else {
 724           // outside the beam pipe: orphan track
 725           // Don't write them anymore!
 726           continue;
 727           /*
 728           aodTrack =
 729             new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 730                                                esdTrack->GetLabel(),
 731                                                p,
 732                                                kTRUE,
 733                                                pos,
 734                                                kFALSE,
 735                                                covTr,
 736                                                (Short_t)esdTrack->GetSign(),
 737                                                esdTrack->GetITSClusterMap(),
 738                                                pid,
 739                                                NULL,
 740                                                kFALSE, // check if this is right
 741                                                kFALSE, // check if this is right
 742                                                AliAODTrack::kOrphan,
 743                                                selectInfo);
 744           aodTrack->SetFlags(esdTrack->GetStatus());
 745           aodTrack->ConvertAliPIDtoAODPID();
 746           */
 747         }
 748     } // end of loop on tracks
 749
 750     tracks.Expand(jTracks); // remove 'empty slots' due to unwritten tracks
 751
 752     // Access to the AOD container of PMD clusters
 753     TClonesArray &pmdClusters = *(AODEvent()->GetPmdClusters());
 754     Int_t jPmdClusters=0;
 755
 756     for (Int_t iPmd = 0; iPmd < nPmdClus; ++iPmd) {
 757       // file pmd clusters, to be revised!
 758       AliESDPmdTrack *pmdTrack = esd->GetPmdTrack(iPmd);
 759       Int_t nLabel = 0;
 760       Int_t *label = 0x0;
 761       Double_t pos[3] = { pmdTrack->GetClusterX(), pmdTrack->GetClusterY(), pmdTrack->GetClusterZ() };
 762       Double_t pid[9] = { 0., 0., 0., 0., 0., 0., 0., 0., 0. }; // to be revised!
 763       // type not set!
 764       // assoc cluster not set
 765       new(pmdClusters[jPmdClusters++]) AliAODPmdCluster(iPmd, nLabel, label, pmdTrack->GetClusterADC(), pos, pid);
 766     }
 767
 768     // Access to the AOD container of clusters
 769     TClonesArray &caloClusters = *(AODEvent()->GetCaloClusters());
 770     Int_t jClusters=0;
 771
 772     for (Int_t iClust=0; iClust<nCaloClus; ++iClust) {
 773
 774       AliESDCaloCluster * cluster = esd->GetCaloCluster(iClust);
 775
 776       Int_t id        = cluster->GetID();
 777       Int_t nLabel    = cluster->GetNLabels();
 778       TArrayI* labels = cluster->GetLabels();
 779       Int_t *label = 0;
 780       if (labels) label = (cluster->GetLabels())->GetArray();
 781
 782       Float_t energy = cluster->E();
 783       cluster->GetPosition(posF);
 784       Char_t ttype = AliAODCluster::kUndef;
 785
 786       if (cluster->GetClusterType() == AliESDCaloCluster::kPHOSCluster) {
 787         ttype=AliAODCluster::kPHOSNeutral;
 788       }
 789       else if (cluster->GetClusterType() == AliESDCaloCluster::kEMCALClusterv1) {
 790         ttype = AliAODCluster::kEMCALClusterv1;
 791       }
 792
 793
 794       AliAODCaloCluster *caloCluster = new(caloClusters[jClusters++]) AliAODCaloCluster(id,
 795                                                                                         nLabel,
 796                                                                                         label,
 797                                                                                         energy,
 798                                                                                         pos,
 799                                                                                         NULL,
 800                                                                                         ttype);
 801
 802       caloCluster->SetCaloCluster(cluster->GetDistanceToBadChannel(),
 803                                   cluster->GetClusterDisp(),
 804                                   cluster->GetM20(), cluster->GetM02(),
 805                                   cluster->GetEmcCpvDistance(),
 806                                   cluster->GetNExMax(),cluster->GetTOF()) ;
 807
 808       caloCluster->SetNCells(cluster->GetNCells());
 809       caloCluster->SetCellsAbsId(cluster->GetCellsAbsId());
 810       caloCluster->SetCellsAmplitudeFraction(cluster->GetCellsAmplitudeFraction());
 811
 812       TArrayI* matchedT =       cluster->GetTracksMatched();
 813       if (matchedT) {
 814         for (Int_t im = 0; im < matchedT->GetSize(); im++) {
 815           caloCluster->AddTrackMatched((esd->GetTrack(im)));
 816         }
 817       }
 818
 819     }
 820     caloClusters.Expand(jClusters); // resize TObjArray to 'remove' slots for pseudo clusters
 821     // end of loop on calo clusters
 822
 823     // fill EMCAL cell info
 824     if (esd->GetEMCALCells()) { // protection against missing ESD information
 825       AliESDCaloCells &esdEMcells = *(esd->GetEMCALCells());
 826       Int_t nEMcell = esdEMcells.GetNumberOfCells() ;
 827
 828       AliAODCaloCells &aodEMcells = *(AODEvent()->GetEMCALCells());
 829       aodEMcells.CreateContainer(nEMcell);
 830       aodEMcells.SetType(AliAODCaloCells::kEMCAL);
 831       for (Int_t iCell = 0; iCell < nEMcell; iCell++) {
 832         aodEMcells.SetCell(iCell,esdEMcells.GetCellNumber(iCell),esdEMcells.GetAmplitude(iCell));
 833       }
 834       aodEMcells.Sort();
 835     }
 836
 837     // fill PHOS cell info
 838     if (esd->GetPHOSCells()) { // protection against missing ESD information
 839       AliESDCaloCells &esdPHcells = *(esd->GetPHOSCells());
 840       Int_t nPHcell = esdPHcells.GetNumberOfCells() ;
 841
 842       AliAODCaloCells &aodPHcells = *(AODEvent()->GetPHOSCells());
 843       aodPHcells.CreateContainer(nPHcell);
 844       aodPHcells.SetType(AliAODCaloCells::kPHOS);
 845       for (Int_t iCell = 0; iCell < nPHcell; iCell++) {
 846         aodPHcells.SetCell(iCell,esdPHcells.GetCellNumber(iCell),esdPHcells.GetAmplitude(iCell));
 847       }
 848       aodPHcells.Sort();
 849     }
 850
 851     // tracklets
 852     AliAODTracklets &SPDTracklets = *(AODEvent()->GetTracklets());
 853     const AliMultiplicity *mult = esd->GetMultiplicity();
 854     if (mult) {
 855       if (mult->GetNumberOfTracklets()>0) {
 856         SPDTracklets.CreateContainer(mult->GetNumberOfTracklets());
 857
 858         for (Int_t n=0; n<mult->GetNumberOfTracklets(); n++) {
 859           SPDTracklets.SetTracklet(n, mult->GetTheta(n), mult->GetPhi(n), mult->GetDeltaPhi(n), mult->GetLabel(n, 0), mult->GetLabel(n, 1));
 860         }
 861       }
 862     } else {
 863       //Printf("ERROR: AliMultiplicity could not be retrieved from ESD");
 864     }
 865
 866     delete [] usedTrack;
 867     delete [] usedV0;
 868     delete [] usedKink;
 869
 870     return;
 871 }
 872
 873 void AliAnalysisTaskESDfilter::Terminate(Option_t */*option*/)
 874 {
 875 // Terminate analysis
 876 //
 877     if (fDebug > 1) printf("AnalysisESDfilter: Terminate() \n");
 878 }
 879