ANALYSIS/AliAnalysisTaskESDfilter.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   7  * Permission to use, copy, modify and distribute this software and its   *
   8  * documentation strictly for non-commercial purposes is hereby granted   *
   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  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   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     printf("   NV0=%d  NCASCADES=%d  NKINKS=%d\n", nV0s, nCascades, nKinks);
 158
 159     AODEvent()->ResetStd(nTracks, nVertices, nV0s+nCascades, nJets, nCaloClus, nFmdClus, nPmdClus);
 160
 161     AliAODTrack *aodTrack = 0x0;
 162
 163     // Array to take into account the tracks already added to the AOD
 164     Bool_t * usedTrack = NULL;
 165     if (nTracks>0) {
 166         usedTrack = new Bool_t[nTracks];
 167         for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) usedTrack[iTrack]=kFALSE;
 168     }
 169     // Array to take into account the V0s already added to the AOD
 170     Bool_t * usedV0 = NULL;
 171     if (nV0s>0) {
 172         usedV0 = new Bool_t[nV0s];
 173         for (Int_t iV0=0; iV0<nV0s; ++iV0) usedV0[iV0]=kFALSE;
 174     }
 175     // Array to take into account the kinks already added to the AOD
 176     Bool_t * usedKink = NULL;
 177     if (nKinks>0) {
 178         usedKink = new Bool_t[nKinks];
 179         for (Int_t iKink=0; iKink<nKinks; ++iKink) usedKink[iKink]=kFALSE;
 180     }
 181
 182     // Access to the AOD container of vertices
 183     TClonesArray &vertices = *(AODEvent()->GetVertices());
 184     Int_t jVertices=0;
 185
 186     // Access to the AOD container of tracks
 187     TClonesArray &tracks = *(AODEvent()->GetTracks());
 188     Int_t jTracks=0;
 189
 190     // Access to the AOD container of V0s
 191     TClonesArray &V0s = *(AODEvent()->GetV0s());
 192     Int_t jV0s=0;
 193
 194     // Add primary vertex. The primary tracks will be defined
 195     // after the loops on the composite objects (V0, cascades, kinks)
 196     const AliESDVertex *vtx = esd->GetPrimaryVertex();
 197
 198     vtx->GetXYZ(pos); // position
 199     vtx->GetCovMatrix(covVtx); //covariance matrix
 200
 201     AliAODVertex * primary = new(vertices[jVertices++])
 202         AliAODVertex(pos, covVtx, vtx->GetChi2toNDF(), NULL, AliAODVertex::kPrimary);
 203     primary->Print();
 204
 205     // Create vertices starting from the most complex objects
 206     Double_t chi2 = 0.;
 207
 208     // Cascades
 209     for (Int_t nCascade = 0; nCascade < nCascades; ++nCascade) {
 210         AliESDcascade *cascade = esd->GetCascade(nCascade);
 211
 212         cascade->GetXYZ(pos[0], pos[1], pos[2]);
 213
 214         if (!old) {
 215             chi2 = cascade->GetChi2Xi(); // = chi2/NDF since NDF = 2*2-3
 216             cascade->GetPosCovXi(covVtx);
 217         } else {
 218             chi2 = -999.;
 219             for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 220         }
 221         // Add the cascade vertex
 222         AliAODVertex * vcascade = new(vertices[jVertices++]) AliAODVertex(pos,
 223                                                                           covVtx,
 224                                                                           chi2,
 225                                                                           primary,
 226                                                                           nCascade,
 227                                                                           AliAODVertex::kCascade);
 228
 229         primary->AddDaughter(vcascade);
 230
 231         // Add the V0 from the cascade. The ESD class have to be optimized...
 232         // Now we have to search for the corresponding Vo in the list of V0s
 233         // using the indeces of the positive and negative tracks
 234
 235         Int_t posFromV0 = cascade->GetPindex();
 236         Int_t negFromV0 = cascade->GetNindex();
 237
 238
 239         AliESDv0 * v0 = 0x0;
 240         Int_t indV0 = -1;
 241
 242         for (Int_t iV0=0; iV0<nV0s; ++iV0) {
 243
 244             v0 = esd->GetV0(iV0);
 245             Int_t posV0 = v0->GetPindex();
 246             Int_t negV0 = v0->GetNindex();
 247
 248             if (posV0==posFromV0 && negV0==negFromV0) {
 249                 indV0 = iV0;
 250                 break;
 251             }
 252         }
 253
 254         AliAODVertex * vV0FromCascade = 0x0;
 255
 256         if (indV0>-1 && !usedV0[indV0] ) {
 257
 258             // the V0 exists in the array of V0s and is not used
 259
 260             usedV0[indV0] = kTRUE;
 261
 262             v0->GetXYZ(pos[0], pos[1], pos[2]);
 263             if (!old) {
 264                 chi2 = v0->GetChi2V0();  // = chi2/NDF since NDF = 2*2-3
 265                 v0->GetPosCov(covVtx);
 266             } else {
 267                 chi2 = -999.;
 268                 for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 269             }
 270
 271             vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos,
 272                                                                      covVtx,
 273                                                                      chi2,
 274                                                                      vcascade,
 275                                                                      indV0,
 276                                                                      AliAODVertex::kV0);
 277         } else {
 278
 279             // the V0 doesn't exist in the array of V0s or was used
 280 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 281 //               << " The V0 " << indV0
 282 //               << " doesn't exist in the array of V0s or was used!" << endl;
 283
 284             cascade->GetXYZ(pos[0], pos[1], pos[2]);
 285
 286             if (!old) {
 287                 chi2 = v0->GetChi2V0();
 288                 cascade->GetPosCov(covVtx);
 289             } else {
 290                 chi2 = -999.;
 291                 for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 292             }
 293
 294             vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos,
 295                                                                      covVtx,
 296                                                                      chi2, // = chi2/NDF since NDF = 2*2-3 (AM)
 297                                                                      vcascade,
 298                                                                      indV0,
 299                                                                      AliAODVertex::kV0);
 300             vcascade->AddDaughter(vV0FromCascade);
 301         }
 302
 303         // Add the positive tracks from the V0
 304
 305         if (posFromV0>-1 && !usedTrack[posFromV0]) {
 306
 307             usedTrack[posFromV0] = kTRUE;
 308
 309             AliESDtrack *esdTrack = esd->GetTrack(posFromV0);
 310             esdTrack->GetPxPyPz(p_pos);
 311             esdTrack->GetXYZ(pos);
 312             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 313             esdTrack->GetESDpid(pid);
 314
 315             vV0FromCascade->AddDaughter(aodTrack =
 316                                         new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 317                                                                            esdTrack->GetLabel(),
 318                                                                            p_pos,
 319                                                                            kTRUE,
 320                                                                            pos,
 321                                                                            kFALSE,
 322                                                                            covTr,
 323                                                                            (Short_t)esdTrack->GetSign(),
 324                                                                            esdTrack->GetITSClusterMap(),
 325                                                                            pid,
 326                                                                            vV0FromCascade,
 327                                                                            kTRUE,  // check if this is right
 328                                                                            kFALSE, // check if this is right
 329                                                                            AliAODTrack::kSecondary)
 330                 );
 331             aodTrack->ConvertAliPIDtoAODPID();
 332             aodTrack->SetFlags(esdTrack->GetStatus());
 333         }
 334         else {
 335 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 336 //               << " track " << posFromV0 << " has already been used!" << endl;
 337         }
 338
 339         // Add the negative tracks from the V0
 340
 341         if (negFromV0>-1 && !usedTrack[negFromV0]) {
 342
 343             usedTrack[negFromV0] = kTRUE;
 344
 345             AliESDtrack *esdTrack = esd->GetTrack(negFromV0);
 346             esdTrack->GetPxPyPz(p_neg);
 347             esdTrack->GetXYZ(pos);
 348             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 349             esdTrack->GetESDpid(pid);
 350
 351             vV0FromCascade->AddDaughter(aodTrack =
 352                                         new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 353                                                                            esdTrack->GetLabel(),
 354                                                                            p_neg,
 355                                                                            kTRUE,
 356                                                                            pos,
 357                                                                            kFALSE,
 358                                                                            covTr,
 359                                                                            (Short_t)esdTrack->GetSign(),
 360                                                                            esdTrack->GetITSClusterMap(),
 361                                                                            pid,
 362                                                                            vV0FromCascade,
 363                                                                            kTRUE,  // check if this is right
 364                                                                            kFALSE, // check if this is right
 365                                                                            AliAODTrack::kSecondary)
 366                 );
 367             aodTrack->ConvertAliPIDtoAODPID();
 368             aodTrack->SetFlags(esdTrack->GetStatus());
 369         }
 370         else {
 371 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 372 //               << " track " << negFromV0 << " has already been used!" << endl;
 373         }
 374
 375         // add it to the V0 array as well
 376         Double_t d0[2] = { -999., -99.};
 377         // counting is probably wrong
 378         new(V0s[jV0s++]) AliAODv0(vV0FromCascade, -999., -99., p_pos, p_neg, d0); // to be refined
 379
 380         // Add the bachelor track from the cascade
 381
 382         Int_t bachelor = cascade->GetBindex();
 383
 384         if(bachelor>-1 && !usedTrack[bachelor]) {
 385
 386             usedTrack[bachelor] = kTRUE;
 387
 388             AliESDtrack *esdTrack = esd->GetTrack(bachelor);
 389             esdTrack->GetPxPyPz(p);
 390             esdTrack->GetXYZ(pos);
 391             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 392             esdTrack->GetESDpid(pid);
 393
 394             vcascade->AddDaughter(aodTrack =
 395                                   new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 396                                                                      esdTrack->GetLabel(),
 397                                                                      p,
 398                                                                      kTRUE,
 399                                                                      pos,
 400                                                                      kFALSE,
 401                                                                      covTr,
 402                                                                      (Short_t)esdTrack->GetSign(),
 403                                                                      esdTrack->GetITSClusterMap(),
 404                                                                      pid,
 405                                                                      vcascade,
 406                                                                      kTRUE,  // check if this is right
 407                                                                      kFALSE, // check if this is right
 408                                                                      AliAODTrack::kSecondary)
 409                 );
 410             aodTrack->ConvertAliPIDtoAODPID();
 411             aodTrack->SetFlags(esdTrack->GetStatus());
 412         }
 413         else {
 414 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 415 //               << " track " << bachelor << " has already been used!" << endl;
 416         }
 417
 418         // Add the primary track of the cascade (if any)
 419
 420     } // end of the loop on cascades
 421
 422     // V0s
 423
 424     for (Int_t nV0 = 0; nV0 < nV0s; ++nV0) {
 425
 426         if (usedV0[nV0]) continue; // skip if aready added to the AOD
 427
 428         AliESDv0 *v0 = esd->GetV0(nV0);
 429
 430         v0->GetXYZ(pos[0], pos[1], pos[2]);
 431
 432         if (!old) {
 433             chi2 = v0->GetChi2V0(); // = chi2/NDF since NDF = 2*2-3
 434             v0->GetPosCov(covVtx);
 435         } else {
 436             chi2 = -999.;
 437             for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 438         }
 439
 440
 441         AliAODVertex * vV0 =
 442           new(vertices[jVertices++]) AliAODVertex(pos,
 443                                                   covVtx,
 444                                                   chi2,
 445                                                   primary,
 446                                                   nV0,
 447                                                   AliAODVertex::kV0);
 448         primary->AddDaughter(vV0);
 449
 450         Int_t posFromV0 = v0->GetPindex();
 451         Int_t negFromV0 = v0->GetNindex();
 452
 453         // Add the positive tracks from the V0
 454
 455         if (posFromV0>-1 && !usedTrack[posFromV0]) {
 456
 457             usedTrack[posFromV0] = kTRUE;
 458
 459             AliESDtrack *esdTrack = esd->GetTrack(posFromV0);
 460             esdTrack->GetPxPyPz(p_pos);
 461             esdTrack->GetXYZ(pos);
 462             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 463             esdTrack->GetESDpid(pid);
 464
 465             vV0->AddDaughter(aodTrack =
 466                              new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 467                                                                 esdTrack->GetLabel(),
 468                                                                 p_pos,
 469                                                                 kTRUE,
 470                                                                 pos,
 471                                                                 kFALSE,
 472                                                                 covTr,
 473                                                                 (Short_t)esdTrack->GetSign(),
 474                                                                 esdTrack->GetITSClusterMap(),
 475                                                                 pid,
 476                                                                 vV0,
 477                                                                 kTRUE,  // check if this is right
 478                                                                 kFALSE, // check if this is right
 479                                                                 AliAODTrack::kSecondary)
 480                 );
 481             aodTrack->ConvertAliPIDtoAODPID();
 482             aodTrack->SetFlags(esdTrack->GetStatus());
 483         }
 484         else {
 485 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " V0 " << nV0
 486 //               << " track " << posFromV0 << " has already been used!" << endl;
 487         }
 488
 489         // Add the negative tracks from the V0
 490
 491         if (negFromV0>-1 && !usedTrack[negFromV0]) {
 492
 493             usedTrack[negFromV0] = kTRUE;
 494
 495             AliESDtrack *esdTrack = esd->GetTrack(negFromV0);
 496             esdTrack->GetPxPyPz(p_neg);
 497             esdTrack->GetXYZ(pos);
 498             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 499             esdTrack->GetESDpid(pid);
 500
 501             vV0->AddDaughter(aodTrack =
 502                              new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 503                                                                 esdTrack->GetLabel(),
 504                                                                 p_neg,
 505                                                                 kTRUE,
 506                                                                 pos,
 507                                                                 kFALSE,
 508                                                                 covTr,
 509                                                                 (Short_t)esdTrack->GetSign(),
 510                                                                 esdTrack->GetITSClusterMap(),
 511                                                                 pid,
 512                                                                 vV0,
 513                                                                 kTRUE,  // check if this is right
 514                                                                 kFALSE, // check if this is right
 515                                                                 AliAODTrack::kSecondary)
 516                 );
 517             aodTrack->ConvertAliPIDtoAODPID();
 518             aodTrack->SetFlags(esdTrack->GetStatus());
 519         }
 520         else {
 521 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " V0 " << nV0
 522 //               << " track " << negFromV0 << " has already been used!" << endl;
 523         }
 524
 525         // add it to the V0 array as well
 526         Double_t d0[2] = { 999., 99.};
 527         new(V0s[jV0s++]) AliAODv0(vV0, 999., 99., p_pos, p_neg, d0); // to be refined
 528     }
 529     V0s.Expand(jV0s);
 530     // end of the loop on V0s
 531
 532     // Kinks: it is a big mess the access to the information in the kinks
 533     // The loop is on the tracks in order to find the mother and daugther of each kink
 534
 535
 536     for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) {
 537
 538         AliESDtrack * esdTrack = esd->GetTrack(iTrack);
 539
 540         Int_t ikink = esdTrack->GetKinkIndex(0);
 541
 542         if (ikink && nKinks) {
 543             // Negative kink index: mother, positive: daughter
 544
 545             // Search for the second track of the kink
 546
 547             for (Int_t jTrack = iTrack+1; jTrack<nTracks; ++jTrack) {
 548
 549                 AliESDtrack * esdTrack1 = esd->GetTrack(jTrack);
 550
 551                 Int_t jkink = esdTrack1->GetKinkIndex(0);
 552
 553                 if ( TMath::Abs(ikink)==TMath::Abs(jkink) ) {
 554
 555                     // The two tracks are from the same kink
 556
 557                     if (usedKink[TMath::Abs(ikink)-1]) continue; // skip used kinks
 558
 559                     Int_t imother = -1;
 560                     Int_t idaughter = -1;
 561
 562                     if (ikink<0 && jkink>0) {
 563
 564                         imother = iTrack;
 565                         idaughter = jTrack;
 566                     }
 567                     else if (ikink>0 && jkink<0) {
 568
 569                         imother = jTrack;
 570                         idaughter = iTrack;
 571                     }
 572                     else {
 573 //                      cerr << "Error: Wrong combination of kink indexes: "
 574 //                           << ikink << " " << jkink << endl;
 575                         continue;
 576                     }
 577
 578                     // Add the mother track
 579
 580                     AliAODTrack * mother = NULL;
 581
 582                     if (!usedTrack[imother]) {
 583
 584                         usedTrack[imother] = kTRUE;
 585
 586                         AliESDtrack *esdTrack = esd->GetTrack(imother);
 587                         esdTrack->GetPxPyPz(p);
 588                         esdTrack->GetXYZ(pos);
 589                         esdTrack->GetCovarianceXYZPxPyPz(covTr);
 590                         esdTrack->GetESDpid(pid);
 591
 592                         mother =
 593                             new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 594                                                                esdTrack->GetLabel(),
 595                                                                p,
 596                                                                kTRUE,
 597                                                                pos,
 598                                                                kFALSE,
 599                                                                covTr,
 600                                                                (Short_t)esdTrack->GetSign(),
 601                                                                esdTrack->GetITSClusterMap(),
 602                                                                pid,
 603                                                                primary,
 604                                                                kTRUE, // check if this is right
 605                                                                kTRUE, // check if this is right
 606                                                                AliAODTrack::kPrimary);
 607                         mother->SetFlags(esdTrack->GetStatus());
 608                         mother->ConvertAliPIDtoAODPID();
 609                         primary->AddDaughter(mother);
 610                         mother->ConvertAliPIDtoAODPID();
 611                     }
 612                     else {
 613 //                      cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1
 614 //                           << " track " << imother << " has already been used!" << endl;
 615                   }
 616
 617                     // Add the kink vertex
 618                     AliESDkink * kink = esd->GetKink(TMath::Abs(ikink)-1);
 619
 620                     AliAODVertex * vkink =
 621                         new(vertices[jVertices++]) AliAODVertex(kink->GetPosition(),
 622                                                                 NULL,
 623                                                                 0.,
 624                                                                 mother,
 625                                                                 esdTrack->GetID(),  // This is the track ID of the mother's track!
 626                                                                 AliAODVertex::kKink);
 627                     // Add the daughter track
 628
 629                     AliAODTrack * daughter = NULL;
 630
 631                     if (!usedTrack[idaughter]) {
 632
 633                         usedTrack[idaughter] = kTRUE;
 634
 635                         AliESDtrack *esdTrack = esd->GetTrack(idaughter);
 636                         esdTrack->GetPxPyPz(p);
 637                         esdTrack->GetXYZ(pos);
 638                         esdTrack->GetCovarianceXYZPxPyPz(covTr);
 639                         esdTrack->GetESDpid(pid);
 640
 641                         daughter =
 642                             new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 643                                                                esdTrack->GetLabel(),
 644                                                                p,
 645                                                                kTRUE,
 646                                                                pos,
 647                                                                kFALSE,
 648                                                                covTr,
 649                                                                (Short_t)esdTrack->GetSign(),
 650                                                                esdTrack->GetITSClusterMap(),
 651                                                                pid,
 652                                                                vkink,
 653                                                                kTRUE, // check if this is right
 654                                                                kTRUE, // check if this is right
 655                                                                AliAODTrack::kPrimary);
 656                         daughter->SetFlags(esdTrack->GetStatus());
 657                         daughter->ConvertAliPIDtoAODPID();
 658                         vkink->AddDaughter(daughter);
 659                         daughter->ConvertAliPIDtoAODPID();
 660                     }
 661                     else {
 662 //                      cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1
 663 //                           << " track " << idaughter << " has already been used!" << endl;
 664                     }
 665                 }
 666             }
 667         }
 668     }
 669
 670
 671     // Tracks (primary and orphan)
 672
 673     printf("NUMBER OF TRACKS %5d\n", nTracks);
 674
 675     for (Int_t nTrack = 0; nTrack < nTracks; ++nTrack) {
 676
 677
 678         if (usedTrack[nTrack]) continue;
 679
 680         AliESDtrack *esdTrack = esd->GetTrack(nTrack);
 681         UInt_t selectInfo = 0;
 682         //
 683         // Track selection
 684         if (fTrackFilter) {
 685             selectInfo = fTrackFilter->IsSelected(esdTrack);
 686             if (!selectInfo) continue;
 687         }
 688
 689         //
 690         esdTrack->GetPxPyPz(p);
 691         esdTrack->GetXYZ(pos);
 692         esdTrack->GetCovarianceXYZPxPyPz(covTr);
 693         esdTrack->GetESDpid(pid);
 694
 695         Float_t impactXY, impactZ;
 696
 697         esdTrack->GetImpactParameters(impactXY,impactZ);
 698
 699         if (impactXY<3) {
 700             // track inside the beam pipe
 701
 702             primary->AddDaughter(aodTrack =
 703                                  new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 704                                                                     esdTrack->GetLabel(),
 705                                                                     p,
 706                                                                     kTRUE,
 707                                                                     pos,
 708                                                                     kFALSE,
 709                                                                     covTr,
 710                                                                     (Short_t)esdTrack->GetSign(),
 711                                                                     esdTrack->GetITSClusterMap(),
 712                                                                     pid,
 713                                                                     primary,
 714                                                                     kTRUE, // check if this is right
 715                                                                     kTRUE, // check if this is right
 716                                                                     AliAODTrack::kPrimary,
 717                                                                     selectInfo)
 718                 );
 719             aodTrack->SetFlags(esdTrack->GetStatus());
 720             aodTrack->ConvertAliPIDtoAODPID();
 721         }
 722         else {
 723           // outside the beam pipe: orphan track
 724           // Don't write them anymore!
 725           continue;
 726           /*
 727           aodTrack =
 728             new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 729                                                esdTrack->GetLabel(),
 730                                                p,
 731                                                kTRUE,
 732                                                pos,
 733                                                kFALSE,
 734                                                covTr,
 735                                                (Short_t)esdTrack->GetSign(),
 736                                                esdTrack->GetITSClusterMap(),
 737                                                pid,
 738                                                NULL,
 739                                                kFALSE, // check if this is right
 740                                                kFALSE, // check if this is right
 741                                                AliAODTrack::kOrphan,
 742                                                selectInfo);
 743           aodTrack->SetFlags(esdTrack->GetStatus());
 744           aodTrack->ConvertAliPIDtoAODPID();
 745           */
 746         }
 747     } // end of loop on tracks
 748
 749     // muon tracks
 750     Int_t nMuTracks = esd->GetNumberOfMuonTracks();
 751     for (Int_t nMuTrack = 0; nMuTrack < nMuTracks; ++nMuTrack) {
 752
 753         AliESDMuonTrack *esdMuTrack = esd->GetMuonTrack(nMuTrack);
 754         p[0] = esdMuTrack->Px();
 755         p[1] = esdMuTrack->Py();
 756         p[2] = esdMuTrack->Pz();
 757         pos[0] = primary->GetX();
 758         pos[1] = primary->GetY();
 759         pos[2] = primary->GetZ();
 760
 761         // has to be changed once the muon pid is provided by the ESD
 762         for (Int_t i = 0; i < 10; pid[i++] = 0.); pid[AliAODTrack::kMuon]=1.;
 763
 764         primary->AddDaughter(aodTrack =
 765             new(tracks[jTracks++]) AliAODTrack(0, // no ID provided
 766                                                0, // no label provided
 767                                                p,
 768                                                kTRUE,
 769                                                pos,
 770                                                kFALSE,
 771                                                NULL, // no covariance matrix provided
 772                                                (Short_t)-99, // no charge provided
 773                                                0, // no ITSClusterMap
 774                                                pid,
 775                                                primary,
 776                                                kTRUE,  // check if this is right
 777                                                kTRUE,  // not used for vertex fit
 778                                                AliAODTrack::kPrimary)
 779             );
 780
 781         aodTrack->ConvertAliPIDtoAODPID();
 782         aodTrack->SetHitsPatternInTrigCh(esdMuTrack->GetHitsPatternInTrigCh());
 783         Int_t track2Trigger = esdMuTrack->GetMatchTrigger();
 784         aodTrack->SetMatchTrigger(track2Trigger);
 785         if (track2Trigger)
 786           aodTrack->SetChi2MatchTrigger(esdMuTrack->GetChi2MatchTrigger());
 787         else
 788           aodTrack->SetChi2MatchTrigger(0.);
 789     }
 790     tracks.Expand(jTracks); // remove 'empty slots' due to unwritten tracks
 791
 792     // Access to the AOD container of PMD clusters
 793     TClonesArray &pmdClusters = *(AODEvent()->GetPmdClusters());
 794     Int_t jPmdClusters=0;
 795
 796     for (Int_t iPmd = 0; iPmd < nPmdClus; ++iPmd) {
 797       // file pmd clusters, to be revised!
 798       AliESDPmdTrack *pmdTrack = esd->GetPmdTrack(iPmd);
 799       Int_t nLabel = 0;
 800       Int_t *label = 0x0;
 801       Double_t pos[3] = { pmdTrack->GetClusterX(), pmdTrack->GetClusterY(), pmdTrack->GetClusterZ() };
 802       Double_t pid[9] = { 0., 0., 0., 0., 0., 0., 0., 0., 0. }; // to be revised!
 803       // type not set!
 804       // assoc cluster not set
 805       new(pmdClusters[jPmdClusters++]) AliAODPmdCluster(iPmd, nLabel, label, pmdTrack->GetClusterADC(), pos, pid);
 806     }
 807
 808     // Access to the AOD container of clusters
 809     TClonesArray &caloClusters = *(AODEvent()->GetCaloClusters());
 810     Int_t jClusters=0;
 811
 812     for (Int_t iClust=0; iClust<nCaloClus; ++iClust) {
 813
 814       AliESDCaloCluster * cluster = esd->GetCaloCluster(iClust);
 815
 816       Int_t id        = cluster->GetID();
 817       Int_t nLabel    = cluster->GetNLabels();
 818       TArrayI* labels = cluster->GetLabels();
 819       Int_t *label = 0;
 820       if (labels) label = (cluster->GetLabels())->GetArray();
 821
 822       Float_t energy = cluster->E();
 823       cluster->GetPosition(posF);
 824       Char_t ttype = AliAODCluster::kUndef;
 825
 826       if (cluster->GetClusterType() == AliESDCaloCluster::kPHOSCluster) {
 827         ttype=AliAODCluster::kPHOSNeutral;
 828       }
 829       else if (cluster->GetClusterType() == AliESDCaloCluster::kEMCALClusterv1) {
 830         ttype = AliAODCluster::kEMCALClusterv1;
 831       }
 832
 833
 834       AliAODCaloCluster *caloCluster = new(caloClusters[jClusters++]) AliAODCaloCluster(id,
 835                                                                                         nLabel,
 836                                                                                         label,
 837                                                                                         energy,
 838                                                                                         pos,
 839                                                                                         NULL,
 840                                                                                         ttype);
 841
 842       caloCluster->SetCaloCluster(cluster->GetDistanceToBadChannel(),
 843                                   cluster->GetClusterDisp(),
 844                                   cluster->GetM20(), cluster->GetM02(), cluster->GetM11(),
 845                                   cluster->GetEmcCpvDistance(),  cluster->GetNExMax()) ;
 846
 847       caloCluster->SetNCells(cluster->GetNCells());
 848       caloCluster->SetCellsAbsId(cluster->GetCellsAbsId());
 849       caloCluster->SetCellsAmplitudeFraction(cluster->GetCellsAmplitudeFraction());
 850     }
 851     caloClusters.Expand(jClusters); // resize TObjArray to 'remove' slots for pseudo clusters
 852     // end of loop on calo clusters
 853
 854     // fill EMCAL cell info
 855     if (esd->GetEMCALCells()) { // protection against missing ESD information
 856       AliESDCaloCells &esdEMcells = *(esd->GetEMCALCells());
 857       Int_t nEMcell = esdEMcells.GetNumberOfCells() ;
 858
 859       AliAODCaloCells &aodEMcells = *(AODEvent()->GetEMCALCells());
 860       aodEMcells.CreateContainer(nEMcell);
 861       aodEMcells.SetType(AliAODCaloCells::kEMCAL);
 862       for (Int_t iCell = 0; iCell < nEMcell; iCell++) {
 863         aodEMcells.SetCell(iCell,esdEMcells.GetCellNumber(iCell),esdEMcells.GetAmplitude(iCell));
 864       }
 865       aodEMcells.Sort();
 866     }
 867
 868     // fill PHOS cell info
 869     if (esd->GetPHOSCells()) { // protection against missing ESD information
 870       AliESDCaloCells &esdPHcells = *(esd->GetPHOSCells());
 871       Int_t nPHcell = esdPHcells.GetNumberOfCells() ;
 872
 873       AliAODCaloCells &aodPHcells = *(AODEvent()->GetPHOSCells());
 874       aodPHcells.CreateContainer(nPHcell);
 875       aodPHcells.SetType(AliAODCaloCells::kPHOS);
 876       for (Int_t iCell = 0; iCell < nPHcell; iCell++) {
 877         aodPHcells.SetCell(iCell,esdPHcells.GetCellNumber(iCell),esdPHcells.GetAmplitude(iCell));
 878       }
 879       aodPHcells.Sort();
 880     }
 881
 882     // tracklets
 883     AliAODTracklets &SPDTracklets = *(AODEvent()->GetTracklets());
 884     const AliMultiplicity *mult = esd->GetMultiplicity();
 885     if (mult) {
 886       if (mult->GetNumberOfTracklets()>0) {
 887         SPDTracklets.CreateContainer(mult->GetNumberOfTracklets());
 888
 889         for (Int_t n=0; n<mult->GetNumberOfTracklets(); n++) {
 890           SPDTracklets.SetTracklet(n, mult->GetTheta(n), mult->GetPhi(n), mult->GetDeltaPhi(n), mult->GetLabel(n, 0), mult->GetLabel(n, 1));
 891         }
 892       }
 893     } else {
 894       //Printf("ERROR: AliMultiplicity could not be retrieved from ESD");
 895     }
 896
 897     delete [] usedTrack;
 898     delete [] usedV0;
 899     delete [] usedKink;
 900
 901     return;
 902 }
 903
 904 void AliAnalysisTaskESDfilter::Terminate(Option_t */*option*/)
 905 {
 906 // Terminate analysis
 907 //
 908     if (fDebug > 1) printf("AnalysisESDfilter: Terminate() \n");
 909 }
 910