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
  21 #include "AliAnalysisTaskESDfilter.h"
  22 #include "AliAnalysisManager.h"
  23 #include "AliESDEvent.h"
  24 #include "AliAODEvent.h"
  25 #include "AliESDInputHandler.h"
  26 #include "AliAODHandler.h"
  27 #include "AliAnalysisFilter.h"
  28 #include "AliESDtrack.h"
  29 #include "AliESDMuonTrack.h"
  30 #include "AliESDVertex.h"
  31 #include "AliESDv0.h"
  32 #include "AliESDkink.h"
  33 #include "AliESDcascade.h"
  34 #include "AliESDPmdTrack.h"
  35 #include "AliESDCaloCluster.h"
  36 #include "AliESDCaloCells.h"
  37 #include "AliMultiplicity.h"
  38 #include "AliLog.h"
  39
  40 ClassImp(AliAnalysisTaskESDfilter)
  41
  42 ////////////////////////////////////////////////////////////////////////
  43
  44 AliAnalysisTaskESDfilter::AliAnalysisTaskESDfilter():
  45     AliAnalysisTaskSE(),
  46     fTrackFilter(0x0),
  47     fKinkFilter(0x0),
  48     fV0Filter(0x0)
  49 {
  50   // Default constructor
  51 }
  52
  53 AliAnalysisTaskESDfilter::AliAnalysisTaskESDfilter(const char* name):
  54     AliAnalysisTaskSE(name),
  55     fTrackFilter(0x0),
  56     fKinkFilter(0x0),
  57     fV0Filter(0x0)
  58 {
  59   // Constructor
  60 }
  61
  62 void AliAnalysisTaskESDfilter::UserCreateOutputObjects()
  63 {
  64 // Create the output container
  65     OutputTree()->GetUserInfo()->Add(fTrackFilter);
  66 }
  67
  68 void AliAnalysisTaskESDfilter::Init()
  69 {
  70     // Initialization
  71     if (fDebug > 1) AliInfo("Init() \n");
  72     // Call configuration file
  73 }
  74
  75
  76 void AliAnalysisTaskESDfilter::UserExec(Option_t */*option*/)
  77 {
  78 // Execute analysis for current event
  79 //
  80
  81   Long64_t ientry = Entry();
  82   printf("Filter: Analysing event # %5d\n", (Int_t) ientry);
  83
  84   ConvertESDtoAOD();
  85 }
  86
  87 void AliAnalysisTaskESDfilter::ConvertESDtoAOD() {
  88     // ESD Filter analysis task executed for each event
  89     AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent());
  90     AliESD* old = esd->GetAliESDOld();
  91
  92     // set arrays and pointers
  93     Float_t posF[3];
  94     Double_t pos[3];
  95     Double_t p[3];
  96     Double_t p_pos[3];
  97     Double_t p_neg[3];
  98     Double_t covVtx[6];
  99     Double_t covTr[21];
 100     Double_t pid[10];
 101
 102     for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 103     for (Int_t i = 0; i < 21; i++) covTr [i] = 0.;
 104
 105
 106   // loop over events and fill them
 107
 108   // Multiplicity information needed by the header (to be revised!)
 109     Int_t nTracks    = esd->GetNumberOfTracks();
 110     Int_t nPosTracks = 0;
 111     for (Int_t iTrack = 0; iTrack < nTracks; ++iTrack)
 112         if (esd->GetTrack(iTrack)->GetSign()> 0) nPosTracks++;
 113
 114     // Update the header
 115
 116     AliAODHeader* header = AODEvent()->GetHeader();
 117     header->SetRunNumber(esd->GetRunNumber());
 118     if (old) {
 119         header->SetBunchCrossNumber(0);
 120         header->SetOrbitNumber(0);
 121         header->SetPeriodNumber(0);
 122         header->SetEventType(0);
 123         header->SetMuonMagFieldScale(-999.); // FIXME
 124         header->SetCentrality(-999.);        // FIXME
 125     } else {
 126         header->SetBunchCrossNumber(esd->GetBunchCrossNumber());
 127         header->SetOrbitNumber(esd->GetOrbitNumber());
 128         header->SetPeriodNumber(esd->GetPeriodNumber());
 129         header->SetEventType(esd->GetEventType());
 130         header->SetMuonMagFieldScale(-999.); // FIXME
 131         header->SetCentrality(-999.);        // FIXME
 132     }
 133
 134     header->SetTriggerMask(esd->GetTriggerMask());
 135     header->SetTriggerCluster(esd->GetTriggerCluster());
 136     header->SetMagneticField(esd->GetMagneticField());
 137     header->SetZDCN1Energy(esd->GetZDCN1Energy());
 138     header->SetZDCP1Energy(esd->GetZDCP1Energy());
 139     header->SetZDCN2Energy(esd->GetZDCN2Energy());
 140     header->SetZDCP2Energy(esd->GetZDCP2Energy());
 141     header->SetZDCEMEnergy(esd->GetZDCEMEnergy(0),esd->GetZDCEMEnergy(1));
 142     header->SetRefMultiplicity(nTracks);
 143     header->SetRefMultiplicityPos(nPosTracks);
 144     header->SetRefMultiplicityNeg(nTracks - nPosTracks);
 145 //
 146 //
 147     Int_t nV0s      = esd->GetNumberOfV0s();
 148     Int_t nCascades = esd->GetNumberOfCascades();
 149     Int_t nKinks    = esd->GetNumberOfKinks();
 150     Int_t nVertices = nV0s + 2*nCascades /*could lead to two vertices, one V0 and the Xi */+ nKinks + 1 /* = prim. vtx*/;
 151     Int_t nJets     = 0;
 152     Int_t nCaloClus = esd->GetNumberOfCaloClusters();
 153     Int_t nFmdClus  = 0;
 154     Int_t nPmdClus  = esd->GetNumberOfPmdTracks();
 155
 156     printf("   NV0=%d  NCASCADES=%d  NKINKS=%d\n", nV0s, nCascades, nKinks);
 157
 158     AODEvent()->ResetStd(nTracks, nVertices, nV0s+nCascades, nJets, nCaloClus, nFmdClus, nPmdClus);
 159
 160     AliAODTrack *aodTrack = 0x0;
 161
 162     // Array to take into account the tracks already added to the AOD
 163     Bool_t * usedTrack = NULL;
 164     if (nTracks>0) {
 165         usedTrack = new Bool_t[nTracks];
 166         for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) usedTrack[iTrack]=kFALSE;
 167     }
 168     // Array to take into account the V0s already added to the AOD
 169     Bool_t * usedV0 = NULL;
 170     if (nV0s>0) {
 171         usedV0 = new Bool_t[nV0s];
 172         for (Int_t iV0=0; iV0<nV0s; ++iV0) usedV0[iV0]=kFALSE;
 173     }
 174     // Array to take into account the kinks already added to the AOD
 175     Bool_t * usedKink = NULL;
 176     if (nKinks>0) {
 177         usedKink = new Bool_t[nKinks];
 178         for (Int_t iKink=0; iKink<nKinks; ++iKink) usedKink[iKink]=kFALSE;
 179     }
 180
 181     // Access to the AOD container of vertices
 182     TClonesArray &vertices = *(AODEvent()->GetVertices());
 183     Int_t jVertices=0;
 184
 185     // Access to the AOD container of tracks
 186     TClonesArray &tracks = *(AODEvent()->GetTracks());
 187     Int_t jTracks=0;
 188
 189     // Access to the AOD container of V0s
 190     TClonesArray &V0s = *(AODEvent()->GetV0s());
 191     Int_t jV0s=0;
 192
 193     // Add primary vertex. The primary tracks will be defined
 194     // after the loops on the composite objects (V0, cascades, kinks)
 195     const AliESDVertex *vtx = esd->GetPrimaryVertex();
 196
 197     vtx->GetXYZ(pos); // position
 198     vtx->GetCovMatrix(covVtx); //covariance matrix
 199
 200     AliAODVertex * primary = new(vertices[jVertices++])
 201         AliAODVertex(pos, covVtx, vtx->GetChi2toNDF(), NULL, AliAODVertex::kPrimary);
 202     primary->Print();
 203
 204     // Create vertices starting from the most complex objects
 205     Double_t chi2 = 0.;
 206
 207     // Cascades
 208     for (Int_t nCascade = 0; nCascade < nCascades; ++nCascade) {
 209         AliESDcascade *cascade = esd->GetCascade(nCascade);
 210
 211         cascade->GetXYZ(pos[0], pos[1], pos[2]);
 212
 213         if (!old) {
 214             chi2 = cascade->GetChi2Xi(); // = chi2/NDF since NDF = 2*2-3
 215             cascade->GetPosCovXi(covVtx);
 216         } else {
 217             chi2 = -999.;
 218             for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 219         }
 220         // Add the cascade vertex
 221         AliAODVertex * vcascade = new(vertices[jVertices++]) AliAODVertex(pos,
 222                                                                           covVtx,
 223                                                                           chi2,
 224                                                                           primary,
 225                                                                           nCascade,
 226                                                                           AliAODVertex::kCascade);
 227
 228         primary->AddDaughter(vcascade);
 229
 230         // Add the V0 from the cascade. The ESD class have to be optimized...
 231         // Now we have to search for the corresponding Vo in the list of V0s
 232         // using the indeces of the positive and negative tracks
 233
 234         Int_t posFromV0 = cascade->GetPindex();
 235         Int_t negFromV0 = cascade->GetNindex();
 236
 237
 238         AliESDv0 * v0 = 0x0;
 239         Int_t indV0 = -1;
 240
 241         for (Int_t iV0=0; iV0<nV0s; ++iV0) {
 242
 243             v0 = esd->GetV0(iV0);
 244             Int_t posV0 = v0->GetPindex();
 245             Int_t negV0 = v0->GetNindex();
 246
 247             if (posV0==posFromV0 && negV0==negFromV0) {
 248                 indV0 = iV0;
 249                 break;
 250             }
 251         }
 252
 253         AliAODVertex * vV0FromCascade = 0x0;
 254
 255         if (indV0>-1 && !usedV0[indV0] ) {
 256
 257             // the V0 exists in the array of V0s and is not used
 258
 259             usedV0[indV0] = kTRUE;
 260
 261             v0->GetXYZ(pos[0], pos[1], pos[2]);
 262             if (!old) {
 263                 chi2 = v0->GetChi2V0();  // = chi2/NDF since NDF = 2*2-3
 264                 v0->GetPosCov(covVtx);
 265             } else {
 266                 chi2 = -999.;
 267                 for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 268             }
 269
 270             vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos,
 271                                                                      covVtx,
 272                                                                      chi2,
 273                                                                      vcascade,
 274                                                                      indV0,
 275                                                                      AliAODVertex::kV0);
 276         } else {
 277
 278             // the V0 doesn't exist in the array of V0s or was used
 279 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 280 //               << " The V0 " << indV0
 281 //               << " doesn't exist in the array of V0s or was used!" << endl;
 282
 283             cascade->GetXYZ(pos[0], pos[1], pos[2]);
 284
 285             if (!old) {
 286                 chi2 = v0->GetChi2V0();
 287                 cascade->GetPosCov(covVtx);
 288             } else {
 289                 chi2 = -999.;
 290                 for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 291             }
 292
 293             vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos,
 294                                                                      covVtx,
 295                                                                      chi2, // = chi2/NDF since NDF = 2*2-3 (AM)
 296                                                                      vcascade,
 297                                                                      indV0,
 298                                                                      AliAODVertex::kV0);
 299             vcascade->AddDaughter(vV0FromCascade);
 300         }
 301
 302         // Add the positive tracks from the V0
 303
 304         if (posFromV0>-1 && !usedTrack[posFromV0]) {
 305
 306             usedTrack[posFromV0] = kTRUE;
 307
 308             AliESDtrack *esdTrack = esd->GetTrack(posFromV0);
 309             esdTrack->GetPxPyPz(p_pos);
 310             esdTrack->GetXYZ(pos);
 311             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 312             esdTrack->GetESDpid(pid);
 313
 314             vV0FromCascade->AddDaughter(aodTrack =
 315                                         new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 316                                                                            esdTrack->GetLabel(),
 317                                                                            p_pos,
 318                                                                            kTRUE,
 319                                                                            pos,
 320                                                                            kFALSE,
 321                                                                            covTr,
 322                                                                            (Short_t)esdTrack->GetSign(),
 323                                                                            esdTrack->GetITSClusterMap(),
 324                                                                            pid,
 325                                                                            vV0FromCascade,
 326                                                                            kTRUE,  // check if this is right
 327                                                                            kFALSE, // check if this is right
 328                                                                            AliAODTrack::kSecondary)
 329                 );
 330             aodTrack->ConvertAliPIDtoAODPID();
 331             aodTrack->SetFlags(esdTrack->GetStatus());
 332         }
 333         else {
 334 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 335 //               << " track " << posFromV0 << " has already been used!" << endl;
 336         }
 337
 338         // Add the negative tracks from the V0
 339
 340         if (negFromV0>-1 && !usedTrack[negFromV0]) {
 341
 342             usedTrack[negFromV0] = kTRUE;
 343
 344             AliESDtrack *esdTrack = esd->GetTrack(negFromV0);
 345             esdTrack->GetPxPyPz(p_neg);
 346             esdTrack->GetXYZ(pos);
 347             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 348             esdTrack->GetESDpid(pid);
 349
 350             vV0FromCascade->AddDaughter(aodTrack =
 351                                         new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 352                                                                            esdTrack->GetLabel(),
 353                                                                            p_neg,
 354                                                                            kTRUE,
 355                                                                            pos,
 356                                                                            kFALSE,
 357                                                                            covTr,
 358                                                                            (Short_t)esdTrack->GetSign(),
 359                                                                            esdTrack->GetITSClusterMap(),
 360                                                                            pid,
 361                                                                            vV0FromCascade,
 362                                                                            kTRUE,  // check if this is right
 363                                                                            kFALSE, // check if this is right
 364                                                                            AliAODTrack::kSecondary)
 365                 );
 366             aodTrack->ConvertAliPIDtoAODPID();
 367             aodTrack->SetFlags(esdTrack->GetStatus());
 368         }
 369         else {
 370 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 371 //               << " track " << negFromV0 << " has already been used!" << endl;
 372         }
 373
 374         // add it to the V0 array as well
 375         Double_t d0[2] = { -999., -99.};
 376         // counting is probably wrong
 377         new(V0s[jV0s++]) AliAODv0(vV0FromCascade, -999., -99., p_pos, p_neg, d0); // to be refined
 378
 379         // Add the bachelor track from the cascade
 380
 381         Int_t bachelor = cascade->GetBindex();
 382
 383         if(bachelor>-1 && !usedTrack[bachelor]) {
 384
 385             usedTrack[bachelor] = kTRUE;
 386
 387             AliESDtrack *esdTrack = esd->GetTrack(bachelor);
 388             esdTrack->GetPxPyPz(p);
 389             esdTrack->GetXYZ(pos);
 390             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 391             esdTrack->GetESDpid(pid);
 392
 393             vcascade->AddDaughter(aodTrack =
 394                                   new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 395                                                                      esdTrack->GetLabel(),
 396                                                                      p,
 397                                                                      kTRUE,
 398                                                                      pos,
 399                                                                      kFALSE,
 400                                                                      covTr,
 401                                                                      (Short_t)esdTrack->GetSign(),
 402                                                                      esdTrack->GetITSClusterMap(),
 403                                                                      pid,
 404                                                                      vcascade,
 405                                                                      kTRUE,  // check if this is right
 406                                                                      kFALSE, // check if this is right
 407                                                                      AliAODTrack::kSecondary)
 408                 );
 409             aodTrack->ConvertAliPIDtoAODPID();
 410             aodTrack->SetFlags(esdTrack->GetStatus());
 411         }
 412         else {
 413 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 414 //               << " track " << bachelor << " has already been used!" << endl;
 415         }
 416
 417         // Add the primary track of the cascade (if any)
 418
 419     } // end of the loop on cascades
 420
 421     // V0s
 422
 423     for (Int_t nV0 = 0; nV0 < nV0s; ++nV0) {
 424
 425         if (usedV0[nV0]) continue; // skip if aready added to the AOD
 426
 427         AliESDv0 *v0 = esd->GetV0(nV0);
 428
 429         v0->GetXYZ(pos[0], pos[1], pos[2]);
 430
 431         if (!old) {
 432             chi2 = v0->GetChi2V0(); // = chi2/NDF since NDF = 2*2-3
 433             v0->GetPosCov(covVtx);
 434         } else {
 435             chi2 = -999.;
 436             for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 437         }
 438
 439
 440         AliAODVertex * vV0 =
 441           new(vertices[jVertices++]) AliAODVertex(pos,
 442                                                   covVtx,
 443                                                   chi2,
 444                                                   primary,
 445                                                   nV0,
 446                                                   AliAODVertex::kV0);
 447         primary->AddDaughter(vV0);
 448
 449         Int_t posFromV0 = v0->GetPindex();
 450         Int_t negFromV0 = v0->GetNindex();
 451
 452         // Add the positive tracks from the V0
 453
 454         if (posFromV0>-1 && !usedTrack[posFromV0]) {
 455
 456             usedTrack[posFromV0] = kTRUE;
 457
 458             AliESDtrack *esdTrack = esd->GetTrack(posFromV0);
 459             esdTrack->GetPxPyPz(p_pos);
 460             esdTrack->GetXYZ(pos);
 461             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 462             esdTrack->GetESDpid(pid);
 463
 464             vV0->AddDaughter(aodTrack =
 465                              new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 466                                                                 esdTrack->GetLabel(),
 467                                                                 p_pos,
 468                                                                 kTRUE,
 469                                                                 pos,
 470                                                                 kFALSE,
 471                                                                 covTr,
 472                                                                 (Short_t)esdTrack->GetSign(),
 473                                                                 esdTrack->GetITSClusterMap(),
 474                                                                 pid,
 475                                                                 vV0,
 476                                                                 kTRUE,  // check if this is right
 477                                                                 kFALSE, // check if this is right
 478                                                                 AliAODTrack::kSecondary)
 479                 );
 480             aodTrack->ConvertAliPIDtoAODPID();
 481             aodTrack->SetFlags(esdTrack->GetStatus());
 482         }
 483         else {
 484 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " V0 " << nV0
 485 //               << " track " << posFromV0 << " has already been used!" << endl;
 486         }
 487
 488         // Add the negative tracks from the V0
 489
 490         if (negFromV0>-1 && !usedTrack[negFromV0]) {
 491
 492             usedTrack[negFromV0] = kTRUE;
 493
 494             AliESDtrack *esdTrack = esd->GetTrack(negFromV0);
 495             esdTrack->GetPxPyPz(p_neg);
 496             esdTrack->GetXYZ(pos);
 497             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 498             esdTrack->GetESDpid(pid);
 499
 500             vV0->AddDaughter(aodTrack =
 501                              new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 502                                                                 esdTrack->GetLabel(),
 503                                                                 p_neg,
 504                                                                 kTRUE,
 505                                                                 pos,
 506                                                                 kFALSE,
 507                                                                 covTr,
 508                                                                 (Short_t)esdTrack->GetSign(),
 509                                                                 esdTrack->GetITSClusterMap(),
 510                                                                 pid,
 511                                                                 vV0,
 512                                                                 kTRUE,  // check if this is right
 513                                                                 kFALSE, // check if this is right
 514                                                                 AliAODTrack::kSecondary)
 515                 );
 516             aodTrack->ConvertAliPIDtoAODPID();
 517             aodTrack->SetFlags(esdTrack->GetStatus());
 518         }
 519         else {
 520 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " V0 " << nV0
 521 //               << " track " << negFromV0 << " has already been used!" << endl;
 522         }
 523
 524         // add it to the V0 array as well
 525         Double_t d0[2] = { 999., 99.};
 526         new(V0s[jV0s++]) AliAODv0(vV0, 999., 99., p_pos, p_neg, d0); // to be refined
 527     }
 528     V0s.Expand(jV0s);
 529     // end of the loop on V0s
 530
 531     // Kinks: it is a big mess the access to the information in the kinks
 532     // The loop is on the tracks in order to find the mother and daugther of each kink
 533
 534
 535     for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) {
 536
 537         AliESDtrack * esdTrack = esd->GetTrack(iTrack);
 538
 539         Int_t ikink = esdTrack->GetKinkIndex(0);
 540
 541         if (ikink && nKinks) {
 542             // Negative kink index: mother, positive: daughter
 543
 544             // Search for the second track of the kink
 545
 546             for (Int_t jTrack = iTrack+1; jTrack<nTracks; ++jTrack) {
 547
 548                 AliESDtrack * esdTrack1 = esd->GetTrack(jTrack);
 549
 550                 Int_t jkink = esdTrack1->GetKinkIndex(0);
 551
 552                 if ( TMath::Abs(ikink)==TMath::Abs(jkink) ) {
 553
 554                     // The two tracks are from the same kink
 555
 556                     if (usedKink[TMath::Abs(ikink)-1]) continue; // skip used kinks
 557
 558                     Int_t imother = -1;
 559                     Int_t idaughter = -1;
 560
 561                     if (ikink<0 && jkink>0) {
 562
 563                         imother = iTrack;
 564                         idaughter = jTrack;
 565                     }
 566                     else if (ikink>0 && jkink<0) {
 567
 568                         imother = jTrack;
 569                         idaughter = iTrack;
 570                     }
 571                     else {
 572 //                      cerr << "Error: Wrong combination of kink indexes: "
 573 //                           << ikink << " " << jkink << endl;
 574                         continue;
 575                     }
 576
 577                     // Add the mother track
 578
 579                     AliAODTrack * mother = NULL;
 580
 581                     if (!usedTrack[imother]) {
 582
 583                         usedTrack[imother] = kTRUE;
 584
 585                         AliESDtrack *esdTrack = esd->GetTrack(imother);
 586                         esdTrack->GetPxPyPz(p);
 587                         esdTrack->GetXYZ(pos);
 588                         esdTrack->GetCovarianceXYZPxPyPz(covTr);
 589                         esdTrack->GetESDpid(pid);
 590
 591                         mother =
 592                             new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 593                                                                esdTrack->GetLabel(),
 594                                                                p,
 595                                                                kTRUE,
 596                                                                pos,
 597                                                                kFALSE,
 598                                                                covTr,
 599                                                                (Short_t)esdTrack->GetSign(),
 600                                                                esdTrack->GetITSClusterMap(),
 601                                                                pid,
 602                                                                primary,
 603                                                                kTRUE, // check if this is right
 604                                                                kTRUE, // check if this is right
 605                                                                AliAODTrack::kPrimary);
 606                         aodTrack->SetFlags(esdTrack->GetStatus());
 607                         aodTrack->ConvertAliPIDtoAODPID();
 608                         primary->AddDaughter(mother);
 609                         mother->ConvertAliPIDtoAODPID();
 610                     }
 611                     else {
 612 //                      cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1
 613 //                           << " track " << imother << " has already been used!" << endl;
 614                   }
 615
 616                     // Add the kink vertex
 617                     AliESDkink * kink = esd->GetKink(TMath::Abs(ikink)-1);
 618
 619                     AliAODVertex * vkink =
 620                         new(vertices[jVertices++]) AliAODVertex(kink->GetPosition(),
 621                                                                 NULL,
 622                                                                 0.,
 623                                                                 mother,
 624                                                                 esdTrack->GetID(),  // This is the track ID of the mother's track!
 625                                                                 AliAODVertex::kKink);
 626                     // Add the daughter track
 627
 628                     AliAODTrack * daughter = NULL;
 629
 630                     if (!usedTrack[idaughter]) {
 631
 632                         usedTrack[idaughter] = kTRUE;
 633
 634                         AliESDtrack *esdTrack = esd->GetTrack(idaughter);
 635                         esdTrack->GetPxPyPz(p);
 636                         esdTrack->GetXYZ(pos);
 637                         esdTrack->GetCovarianceXYZPxPyPz(covTr);
 638                         esdTrack->GetESDpid(pid);
 639
 640                         daughter =
 641                             new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 642                                                                esdTrack->GetLabel(),
 643                                                                p,
 644                                                                kTRUE,
 645                                                                pos,
 646                                                                kFALSE,
 647                                                                covTr,
 648                                                                (Short_t)esdTrack->GetSign(),
 649                                                                esdTrack->GetITSClusterMap(),
 650                                                                pid,
 651                                                                vkink,
 652                                                                kTRUE, // check if this is right
 653                                                                kTRUE, // check if this is right
 654                                                                AliAODTrack::kPrimary);
 655                         aodTrack->SetFlags(esdTrack->GetStatus());
 656                         aodTrack->ConvertAliPIDtoAODPID();
 657                         vkink->AddDaughter(daughter);
 658                         daughter->ConvertAliPIDtoAODPID();
 659                     }
 660                     else {
 661 //                      cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1
 662 //                           << " track " << idaughter << " has already been used!" << endl;
 663                     }
 664                 }
 665             }
 666         }
 667     }
 668
 669
 670     // Tracks (primary and orphan)
 671
 672     printf("NUMBER OF TRACKS %5d\n", nTracks);
 673
 674     for (Int_t nTrack = 0; nTrack < nTracks; ++nTrack) {
 675
 676
 677         if (usedTrack[nTrack]) continue;
 678
 679         AliESDtrack *esdTrack = esd->GetTrack(nTrack);
 680         UInt_t selectInfo = 0;
 681         //
 682         // Track selection
 683         if (fTrackFilter) {
 684             selectInfo = fTrackFilter->IsSelected(esdTrack);
 685             if (!selectInfo) continue;
 686         }
 687
 688         //
 689         esdTrack->GetPxPyPz(p);
 690         esdTrack->GetXYZ(pos);
 691         esdTrack->GetCovarianceXYZPxPyPz(covTr);
 692         esdTrack->GetESDpid(pid);
 693
 694         Float_t impactXY, impactZ;
 695
 696         esdTrack->GetImpactParameters(impactXY,impactZ);
 697
 698         if (impactXY<3) {
 699             // track inside the beam pipe
 700
 701             primary->AddDaughter(aodTrack =
 702                                  new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 703                                                                     esdTrack->GetLabel(),
 704                                                                     p,
 705                                                                     kTRUE,
 706                                                                     pos,
 707                                                                     kFALSE,
 708                                                                     covTr,
 709                                                                     (Short_t)esdTrack->GetSign(),
 710                                                                     esdTrack->GetITSClusterMap(),
 711                                                                     pid,
 712                                                                     primary,
 713                                                                     kTRUE, // check if this is right
 714                                                                     kTRUE, // check if this is right
 715                                                                     AliAODTrack::kPrimary,
 716                                                                     selectInfo)
 717                 );
 718             aodTrack->SetFlags(esdTrack->GetStatus());
 719             aodTrack->ConvertAliPIDtoAODPID();
 720         }
 721         else {
 722           // outside the beam pipe: orphan track
 723           // Don't write them anymore!
 724           continue;
 725           /*
 726           aodTrack =
 727             new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 728                                                esdTrack->GetLabel(),
 729                                                p,
 730                                                kTRUE,
 731                                                pos,
 732                                                kFALSE,
 733                                                covTr,
 734                                                (Short_t)esdTrack->GetSign(),
 735                                                esdTrack->GetITSClusterMap(),
 736                                                pid,
 737                                                NULL,
 738                                                kFALSE, // check if this is right
 739                                                kFALSE, // check if this is right
 740                                                AliAODTrack::kOrphan,
 741                                                selectInfo);
 742           aodTrack->SetFlags(esdTrack->GetStatus());
 743           aodTrack->ConvertAliPIDtoAODPID();
 744           */
 745         }
 746     } // end of loop on tracks
 747
 748     // muon tracks
 749     Int_t nMuTracks = esd->GetNumberOfMuonTracks();
 750     for (Int_t nMuTrack = 0; nMuTrack < nMuTracks; ++nMuTrack) {
 751
 752         AliESDMuonTrack *esdMuTrack = esd->GetMuonTrack(nMuTrack);
 753         p[0] = esdMuTrack->Px();
 754         p[1] = esdMuTrack->Py();
 755         p[2] = esdMuTrack->Pz();
 756         pos[0] = primary->GetX();
 757         pos[1] = primary->GetY();
 758         pos[2] = primary->GetZ();
 759
 760         // has to be changed once the muon pid is provided by the ESD
 761         for (Int_t i = 0; i < 10; pid[i++] = 0.); pid[AliAODTrack::kMuon]=1.;
 762
 763         primary->AddDaughter(
 764             new(tracks[jTracks++]) AliAODTrack(0, // no ID provided
 765                                                0, // no label provided
 766                                                p,
 767                                                kTRUE,
 768                                                pos,
 769                                                kFALSE,
 770                                                NULL, // no covariance matrix provided
 771                                                (Short_t)-99, // no charge provided
 772                                                0, // no ITSClusterMap
 773                                                pid,
 774                                                primary,
 775                                                kTRUE,  // check if this is right
 776                                                kTRUE,  // not used for vertex fit
 777                                                AliAODTrack::kPrimary)
 778             );
 779
 780         aodTrack->ConvertAliPIDtoAODPID();
 781         aodTrack->SetHitsPatternInTrigCh(esdMuTrack->GetHitsPatternInTrigCh());
 782         Int_t track2Trigger = esdMuTrack->GetMatchTrigger();
 783         aodTrack->SetMatchTrigger(track2Trigger);
 784         if (track2Trigger)
 785           aodTrack->SetChi2MatchTrigger(esdMuTrack->GetChi2MatchTrigger());
 786         else
 787           aodTrack->SetChi2MatchTrigger(0.);
 788     }
 789     tracks.Expand(jTracks); // remove 'empty slots' due to unwritten tracks
 790
 791     // Access to the AOD container of PMD clusters
 792     TClonesArray &pmdClusters = *(AODEvent()->GetPmdClusters());
 793     Int_t jPmdClusters=0;
 794
 795     for (Int_t iPmd = 0; iPmd < nPmdClus; ++iPmd) {
 796       // file pmd clusters, to be revised!
 797       AliESDPmdTrack *pmdTrack = esd->GetPmdTrack(iPmd);
 798       Int_t nLabel = 0;
 799       Int_t *label = 0x0;
 800       Double_t pos[3] = { pmdTrack->GetClusterX(), pmdTrack->GetClusterY(), pmdTrack->GetClusterZ() };
 801       Double_t pid[9] = { 0., 0., 0., 0., 0., 0., 0., 0., 0. }; // to be revised!
 802       // type not set!
 803       // assoc cluster not set
 804       new(pmdClusters[jPmdClusters++]) AliAODPmdCluster(iPmd, nLabel, label, pmdTrack->GetClusterADC(), pos, pid);
 805     }
 806
 807     // Access to the AOD container of clusters
 808     TClonesArray &caloClusters = *(AODEvent()->GetCaloClusters());
 809     Int_t jClusters=0;
 810
 811     for (Int_t iClust=0; iClust<nCaloClus; ++iClust) {
 812
 813       AliESDCaloCluster * cluster = esd->GetCaloCluster(iClust);
 814
 815       Int_t id = cluster->GetID();
 816       Int_t nLabel = 0;
 817       Int_t *label = 0x0;
 818       Float_t energy = cluster->E();
 819       cluster->GetPosition(posF);
 820       Char_t ttype=AliAODCluster::kUndef;
 821
 822       if (cluster->GetClusterType() == AliESDCaloCluster::kPHOSCluster) {
 823         ttype=AliAODCluster::kPHOSNeutral;
 824       }
 825       else if (cluster->GetClusterType() == AliESDCaloCluster::kEMCALClusterv1) {
 826         ttype = AliAODCluster::kEMCALClusterv1;
 827       }
 828
 829
 830       AliAODCaloCluster *caloCluster = new(caloClusters[jClusters++]) AliAODCaloCluster(id,
 831                                                                                         nLabel,
 832                                                                                         label,
 833                                                                                         energy,
 834                                                                                         pos,
 835                                                                                         NULL,
 836                                                                                         ttype);
 837
 838       caloCluster->SetCaloCluster(); // to be refined!
 839
 840     }
 841     caloClusters.Expand(jClusters); // resize TObjArray to 'remove' slots for pseudo clusters
 842     // end of loop on calo clusters
 843
 844     // fill EMCAL cell info
 845     if (esd->GetEMCALCells()) { // protection against missing ESD information
 846       AliESDCaloCells &esdEMcells = *(esd->GetEMCALCells());
 847       Int_t nEMcell = esdEMcells.GetNumberOfCells() ;
 848
 849       AliAODCaloCells &aodEMcells = *(AODEvent()->GetEMCALCells());
 850       aodEMcells.CreateContainer(nEMcell);
 851       aodEMcells.SetType(AliAODCaloCells::kEMCAL);
 852       for (Int_t iCell = 0; iCell < nEMcell; iCell++) {
 853         aodEMcells.SetCell(iCell,esdEMcells.GetCellNumber(iCell),esdEMcells.GetAmplitude(iCell));
 854       }
 855       aodEMcells.Sort();
 856     }
 857
 858     // fill PHOS cell info
 859     if (esd->GetPHOSCells()) { // protection against missing ESD information
 860       AliESDCaloCells &esdPHcells = *(esd->GetPHOSCells());
 861       Int_t nPHcell = esdPHcells.GetNumberOfCells() ;
 862
 863       AliAODCaloCells &aodPHcells = *(AODEvent()->GetPHOSCells());
 864       aodPHcells.CreateContainer(nPHcell);
 865       aodPHcells.SetType(AliAODCaloCells::kPHOS);
 866       for (Int_t iCell = 0; iCell < nPHcell; iCell++) {
 867         aodPHcells.SetCell(iCell,esdPHcells.GetCellNumber(iCell),esdPHcells.GetAmplitude(iCell));
 868       }
 869       aodPHcells.Sort();
 870     }
 871
 872     // tracklets
 873     AliAODTracklets &SPDTracklets = *(AODEvent()->GetTracklets());
 874     const AliMultiplicity *mult = esd->GetMultiplicity();
 875     if (mult) {
 876       if (mult->GetNumberOfTracklets()>0) {
 877         SPDTracklets.CreateContainer(mult->GetNumberOfTracklets());
 878
 879         for (Int_t n=0; n<mult->GetNumberOfTracklets(); n++) {
 880           SPDTracklets.SetTracklet(n, mult->GetTheta(n), mult->GetPhi(n), mult->GetDeltaPhi(n), mult->GetLabel(n));
 881         }
 882       }
 883     } else {
 884       //Printf("ERROR: AliMultiplicity could not be retrieved from ESD");
 885     }
 886
 887     delete [] usedTrack;
 888     delete [] usedV0;
 889     delete [] usedKink;
 890
 891     return;
 892 }
 893
 894 void AliAnalysisTaskESDfilter::Terminate(Option_t */*option*/)
 895 {
 896 // Terminate analysis
 897 //
 898     if (fDebug > 1) printf("AnalysisESDfilter: Terminate() \n");
 899 }
 900