ANALYSIS/AliAnalysisTaskESDfilter.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
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  13  * provided "as is" without express or implied warranty.                  *
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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 #include <TRandom.h>
  22
  23 #include "AliAnalysisTaskESDfilter.h"
  24 #include "AliAnalysisManager.h"
  25 #include "AliESDEvent.h"
  26 #include "AliAODEvent.h"
  27 #include "AliESDInputHandler.h"
  28 #include "AliAODHandler.h"
  29 #include "AliAnalysisFilter.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     fHighPthreshold(0),
  51     fPtshape(0x0)
  52 {
  53   // Default constructor
  54 }
  55
  56 AliAnalysisTaskESDfilter::AliAnalysisTaskESDfilter(const char* name):
  57     AliAnalysisTaskSE(name),
  58     fTrackFilter(0x0),
  59     fKinkFilter(0x0),
  60     fV0Filter(0x0),
  61     fHighPthreshold(0),
  62     fPtshape(0x0)
  63 {
  64   // Constructor
  65 }
  66
  67 void AliAnalysisTaskESDfilter::UserCreateOutputObjects()
  68 {
  69 // Create the output container
  70     OutputTree()->GetUserInfo()->Add(fTrackFilter);
  71 }
  72
  73 void AliAnalysisTaskESDfilter::Init()
  74 {
  75     // Initialization
  76     if (fDebug > 1) AliInfo("Init() \n");
  77     // Call configuration file
  78 }
  79
  80
  81 void AliAnalysisTaskESDfilter::UserExec(Option_t */*option*/)
  82 {
  83 // Execute analysis for current event
  84 //
  85
  86   Long64_t ientry = Entry();
  87   if (fDebug > 0) printf("Filter: Analysing event # %5d\n", (Int_t) ientry);
  88   if (fHighPthreshold == 0) AliInfo("detector PID signals are stored in each track");
  89   if (!fPtshape) AliInfo("detector PID signals are not stored below the pt threshold");
  90   ConvertESDtoAOD();
  91 }
  92
  93 void AliAnalysisTaskESDfilter::ConvertESDtoAOD() {
  94     // ESD Filter analysis task executed for each event
  95     AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent());
  96     AliESD* old = esd->GetAliESDOld();
  97
  98     // set arrays and pointers
  99     Float_t posF[3];
 100     Double_t pos[3];
 101     Double_t p[3];
 102     Double_t p_pos[3];
 103     Double_t p_neg[3];
 104     Double_t p_pos_atv0[3];
 105     Double_t p_neg_atv0[3];
 106     Double_t covVtx[6];
 107     Double_t covTr[21];
 108     Double_t pid[10];
 109
 110     for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 111     for (Int_t i = 0; i < 21; i++) covTr [i] = 0.;
 112
 113
 114   // loop over events and fill them
 115
 116   // Multiplicity information needed by the header (to be revised!)
 117     Int_t nTracks    = esd->GetNumberOfTracks();
 118     //    if (fDebug > 0) printf("-------------------Bo: Number of ESD tracks %d \n",nTracks);
 119
 120     Int_t nPosTracks = 0;
 121 //    for (Int_t iTrack = 0; iTrack < nTracks; ++iTrack)
 122 //      if (esd->GetTrack(iTrack)->GetSign()> 0) nPosTracks++;
 123
 124     // Update the header
 125
 126     AliAODHeader* header = AODEvent()->GetHeader();
 127     header->SetRunNumber(esd->GetRunNumber());
 128     if (old) {
 129         header->SetBunchCrossNumber(0);
 130         header->SetOrbitNumber(0);
 131         header->SetPeriodNumber(0);
 132         header->SetEventType(0);
 133         header->SetMuonMagFieldScale(-999.); // FIXME
 134         header->SetCentrality(-999.);        // FIXME
 135     } else {
 136         header->SetBunchCrossNumber(esd->GetBunchCrossNumber());
 137         header->SetOrbitNumber(esd->GetOrbitNumber());
 138         header->SetPeriodNumber(esd->GetPeriodNumber());
 139         header->SetEventType(esd->GetEventType());
 140         header->SetMuonMagFieldScale(-999.); // FIXME
 141         header->SetCentrality(-999.);        // FIXME
 142     }
 143
 144     header->SetTriggerMask(esd->GetTriggerMask());
 145     header->SetTriggerCluster(esd->GetTriggerCluster());
 146     header->SetMagneticField(esd->GetMagneticField());
 147     header->SetZDCN1Energy(esd->GetZDCN1Energy());
 148     header->SetZDCP1Energy(esd->GetZDCP1Energy());
 149     header->SetZDCN2Energy(esd->GetZDCN2Energy());
 150     header->SetZDCP2Energy(esd->GetZDCP2Energy());
 151     header->SetZDCEMEnergy(esd->GetZDCEMEnergy(0),esd->GetZDCEMEnergy(1));
 152 //
 153 //
 154     Int_t nV0s      = esd->GetNumberOfV0s();
 155     Int_t nCascades = esd->GetNumberOfCascades();
 156     Int_t nKinks    = esd->GetNumberOfKinks();
 157     Int_t nVertices = nV0s + 2*nCascades /*could lead to two vertices, one V0 and the Xi */+ nKinks + 1 /* = prim. vtx*/;
 158     Int_t nJets     = 0;
 159     Int_t nCaloClus = esd->GetNumberOfCaloClusters();
 160     Int_t nFmdClus  = 0;
 161     Int_t nPmdClus  = esd->GetNumberOfPmdTracks();
 162
 163     if (fDebug > 0)
 164         printf("   NV0=%d  NCASCADES=%d  NKINKS=%d\n", nV0s, nCascades, nKinks);
 165
 166     AODEvent()->ResetStd(nTracks, nVertices, nV0s+nCascades, nJets, nCaloClus, nFmdClus, nPmdClus);
 167
 168     AliAODTrack *aodTrack = 0x0;
 169     AliAODPid   *detpid   = 0x0;
 170     Double_t timezero = 0; //TO BE FIXED
 171     AliAODv0    *aodV0    = 0x0;
 172
 173     // RefArray to take into account the tracks associated to V0s
 174     TRefArray   *v0DaughterTracks = NULL;
 175     if (nTracks>0) v0DaughterTracks = new TRefArray(nTracks);
 176
 177     // Array to take into account the tracks already added to the AOD
 178     Bool_t * usedTrack = NULL;
 179     if (nTracks>0) {
 180         usedTrack = new Bool_t[nTracks];
 181         for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) usedTrack[iTrack]=kFALSE;
 182     }
 183     // Array to take into account the V0s already added to the AOD
 184     Bool_t * usedV0 = NULL;
 185     if (nV0s>0) {
 186         usedV0 = new Bool_t[nV0s];
 187         for (Int_t iV0=0; iV0<nV0s; ++iV0) usedV0[iV0]=kFALSE;
 188     }
 189     // Array to take into account the kinks already added to the AOD
 190     Bool_t * usedKink = NULL;
 191     if (nKinks>0) {
 192         usedKink = new Bool_t[nKinks];
 193         for (Int_t iKink=0; iKink<nKinks; ++iKink) usedKink[iKink]=kFALSE;
 194     }
 195
 196     // Access to the AOD container of vertices
 197     TClonesArray &vertices = *(AODEvent()->GetVertices());
 198     Int_t jVertices=0;
 199
 200     // Access to the AOD container of tracks
 201     TClonesArray &tracks = *(AODEvent()->GetTracks());
 202     Int_t jTracks=0;
 203
 204     // Access to the AOD container of V0s
 205     TClonesArray &V0s = *(AODEvent()->GetV0s());
 206     Int_t jV0s=0;
 207
 208     // Add primary vertex. The primary tracks will be defined
 209     // after the loops on the composite objects (V0, cascades, kinks)
 210     const AliESDVertex *vtx = esd->GetPrimaryVertex();
 211
 212     vtx->GetXYZ(pos); // position
 213     vtx->GetCovMatrix(covVtx); //covariance matrix
 214
 215     AliAODVertex * primary = new(vertices[jVertices++])
 216         AliAODVertex(pos, covVtx, vtx->GetChi2toNDF(), NULL, -1, AliAODVertex::kPrimary);
 217     if (fDebug > 0) primary->Print();
 218
 219     // Create vertices starting from the most complex objects
 220     Double_t chi2 = 0.;
 221
 222     // Cascades
 223     for (Int_t nCascade = 0; nCascade < nCascades; ++nCascade) {
 224         AliESDcascade *cascade = esd->GetCascade(nCascade);
 225
 226         cascade->GetXYZ(pos[0], pos[1], pos[2]);
 227
 228         if (!old) {
 229             chi2 = cascade->GetChi2Xi(); // = chi2/NDF since NDF = 2*2-3
 230             cascade->GetPosCovXi(covVtx);
 231         } else {
 232             chi2 = -999.;
 233             for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 234         }
 235         // Add the cascade vertex
 236         AliAODVertex * vcascade = new(vertices[jVertices++]) AliAODVertex(pos,
 237                                                                           covVtx,
 238                                                                           chi2,
 239                                                                           primary,
 240                                                                           nCascade,
 241                                                                           AliAODVertex::kCascade);
 242
 243         primary->AddDaughter(vcascade);
 244
 245         // Add the V0 from the cascade. The ESD class have to be optimized...
 246         // Now we have to search for the corresponding Vo in the list of V0s
 247         // using the indeces of the positive and negative tracks
 248
 249         Int_t posFromV0 = cascade->GetPindex();
 250         Int_t negFromV0 = cascade->GetNindex();
 251
 252
 253         AliESDv0 * v0 = 0x0;
 254         Int_t indV0 = -1;
 255
 256         for (Int_t iV0=0; iV0<nV0s; ++iV0) {
 257
 258             v0 = esd->GetV0(iV0);
 259             Int_t posV0 = v0->GetPindex();
 260             Int_t negV0 = v0->GetNindex();
 261
 262             if (posV0==posFromV0 && negV0==negFromV0) {
 263                 indV0 = iV0;
 264                 break;
 265             }
 266         }
 267
 268         AliAODVertex * vV0FromCascade = 0x0;
 269
 270         if (indV0>-1 && !usedV0[indV0] ) {
 271
 272             // the V0 exists in the array of V0s and is not used
 273
 274             usedV0[indV0] = kTRUE;
 275
 276             v0->GetXYZ(pos[0], pos[1], pos[2]);
 277             if (!old) {
 278                 chi2 = v0->GetChi2V0();  // = chi2/NDF since NDF = 2*2-3
 279                 v0->GetPosCov(covVtx);
 280             } else {
 281                 chi2 = -999.;
 282                 for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 283             }
 284
 285             vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos,
 286                                                                      covVtx,
 287                                                                      chi2,
 288                                                                      vcascade,
 289                                                                      indV0,
 290                                                                      AliAODVertex::kV0);
 291         } else {
 292
 293             // the V0 doesn't exist in the array of V0s or was used
 294 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 295 //               << " The V0 " << indV0
 296 //               << " doesn't exist in the array of V0s or was used!" << endl;
 297
 298             cascade->GetXYZ(pos[0], pos[1], pos[2]);
 299
 300             if (!old) {
 301                 chi2 = v0->GetChi2V0();
 302                 cascade->GetPosCov(covVtx);
 303             } else {
 304                 chi2 = -999.;
 305                 for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 306             }
 307
 308             vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos,
 309                                                                      covVtx,
 310                                                                      chi2, // = chi2/NDF since NDF = 2*2-3 (AM)
 311                                                                      vcascade,
 312                                                                      indV0,
 313                                                                      AliAODVertex::kV0);
 314             vcascade->AddDaughter(vV0FromCascade);
 315         }
 316
 317         // Add the positive tracks from the V0
 318
 319         if (posFromV0>-1 && !usedTrack[posFromV0]) {
 320
 321             usedTrack[posFromV0] = kTRUE;
 322
 323             AliESDtrack *esdTrack = esd->GetTrack(posFromV0);
 324             esdTrack->GetPxPyPz(p_pos);
 325             esdTrack->GetXYZ(pos);
 326             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 327             esdTrack->GetESDpid(pid);
 328             UInt_t selectInfo = fTrackFilter->IsSelected(esdTrack);
 329
 330             vV0FromCascade->AddDaughter(aodTrack =
 331                                         new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 332                                                                            esdTrack->GetLabel(),
 333                                                                            p_pos,
 334                                                                            kTRUE,
 335                                                                            pos,
 336                                                                            kFALSE,
 337                                                                            covTr,
 338                                                                            (Short_t)esdTrack->GetSign(),
 339                                                                            esdTrack->GetITSClusterMap(),
 340                                                                            pid,
 341                                                                            vV0FromCascade,
 342                                                                            kTRUE,  // check if this is right
 343                                                                            kFALSE, // check if this is right
 344                                                                            AliAODTrack::kSecondary,
 345                                                                            selectInfo)
 346                                         );
 347        if (esdTrack->GetSign() > 0) nPosTracks++;
 348             aodTrack->ConvertAliPIDtoAODPID();
 349             aodTrack->SetFlags(esdTrack->GetStatus());
 350             SetAODPID(esdTrack,aodTrack,detpid,timezero);
 351         }
 352         else {
 353 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 354 //               << " track " << posFromV0 << " has already been used!" << endl;
 355         }
 356
 357         // Add the negative tracks from the V0
 358
 359         if (negFromV0>-1 && !usedTrack[negFromV0]) {
 360
 361             usedTrack[negFromV0] = kTRUE;
 362
 363             AliESDtrack *esdTrack = esd->GetTrack(negFromV0);
 364             esdTrack->GetPxPyPz(p_neg);
 365             esdTrack->GetXYZ(pos);
 366             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 367             esdTrack->GetESDpid(pid);
 368             UInt_t selectInfo = fTrackFilter->IsSelected(esdTrack);
 369
 370             vV0FromCascade->AddDaughter(aodTrack =
 371                                         new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 372                                                                            esdTrack->GetLabel(),
 373                                                                            p_neg,
 374                                                                            kTRUE,
 375                                                                            pos,
 376                                                                            kFALSE,
 377                                                                            covTr,
 378                                                                            (Short_t)esdTrack->GetSign(),
 379                                                                            esdTrack->GetITSClusterMap(),
 380                                                                            pid,
 381                                                                            vV0FromCascade,
 382                                                                            kTRUE,  // check if this is right
 383                                                                            kFALSE, // check if this is right
 384                                                                            AliAODTrack::kSecondary,
 385                                                                            selectInfo)
 386                                         );
 387
 388        if (esdTrack->GetSign() > 0) nPosTracks++;
 389             aodTrack->ConvertAliPIDtoAODPID();
 390             aodTrack->SetFlags(esdTrack->GetStatus());
 391             SetAODPID(esdTrack,aodTrack,detpid,timezero);
 392         }
 393         else {
 394 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 395 //               << " track " << negFromV0 << " has already been used!" << endl;
 396         }
 397
 398         // add it to the V0 array as well
 399         Double_t d0[2] = { -999., -99.};
 400         // counting is probably wrong
 401         new(V0s[jV0s++]) AliAODv0(vV0FromCascade, -999., -99., p_pos, p_neg, d0); // to be refined
 402
 403         // Add the bachelor track from the cascade
 404
 405         Int_t bachelor = cascade->GetBindex();
 406
 407         if(bachelor>-1 && !usedTrack[bachelor]) {
 408
 409             usedTrack[bachelor] = kTRUE;
 410
 411             AliESDtrack *esdTrack = esd->GetTrack(bachelor);
 412             esdTrack->GetPxPyPz(p);
 413             esdTrack->GetXYZ(pos);
 414             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 415             esdTrack->GetESDpid(pid);
 416             UInt_t selectInfo = fTrackFilter->IsSelected(esdTrack);
 417
 418             vcascade->AddDaughter(aodTrack =
 419                                   new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 420                                                                      esdTrack->GetLabel(),
 421                                                                      p,
 422                                                                      kTRUE,
 423                                                                      pos,
 424                                                                      kFALSE,
 425                                                                      covTr,
 426                                                                      (Short_t)esdTrack->GetSign(),
 427                                                                      esdTrack->GetITSClusterMap(),
 428                                                                      pid,
 429                                                                      vcascade,
 430                                                                      kTRUE,  // check if this is right
 431                                                                      kFALSE, // check if this is right
 432                                                                      AliAODTrack::kSecondary,
 433                                                                      selectInfo)
 434                                   );
 435        if (esdTrack->GetSign() > 0) nPosTracks++;
 436             aodTrack->ConvertAliPIDtoAODPID();
 437             aodTrack->SetFlags(esdTrack->GetStatus());
 438             SetAODPID(esdTrack,aodTrack,detpid,timezero);
 439         }
 440         else {
 441 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 442 //               << " track " << bachelor << " has already been used!" << endl;
 443         }
 444
 445         // Add the primary track of the cascade (if any)
 446
 447     } // end of the loop on cascades
 448
 449     // V0s
 450
 451     for (Int_t nV0 = 0; nV0 < nV0s; ++nV0) {
 452
 453         if (usedV0[nV0]) continue; // skip if already added to the AOD
 454
 455         AliESDv0 *v0 = esd->GetV0(nV0);
 456
 457         v0->GetXYZ(pos[0], pos[1], pos[2]);
 458
 459         if (!old) {
 460             chi2 = v0->GetChi2V0(); // = chi2/NDF since NDF = 2*2-3
 461             v0->GetPosCov(covVtx);
 462         } else {
 463             chi2 = -999.;
 464             for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 465         }
 466
 467
 468         AliAODVertex * vV0 =
 469           new(vertices[jVertices++]) AliAODVertex(pos,
 470                                                   covVtx,
 471                                                   chi2,
 472                                                   primary,
 473                                                   nV0,
 474                                                   AliAODVertex::kV0);
 475         primary->AddDaughter(vV0);
 476
 477         Int_t posFromV0 = v0->GetPindex();
 478         Int_t negFromV0 = v0->GetNindex();
 479
 480         Float_t  dcaPosToPrimVertexXYZ[2]   = { 999., 999.}; // ..[0] = in XY plane and ..[1] = in Z
 481         Float_t  dcaNegToPrimVertexXYZ[2]   = { 999., 999.}; // ..[0] = in XY plane and ..[1] = in Z
 482         Double_t dcaDaughterToPrimVertex[2] = { 999., 999.}; // ..[0] = Pos and ..[1] = Neg
 483
 484         Double_t  dcaV0Daughters      = v0->GetDcaV0Daughters();
 485         Double_t  dcaV0ToPrimVertex   = v0->GetD();
 486
 487         v0->GetPPxPyPz(p_pos_atv0[0],p_pos_atv0[1],p_pos_atv0[2]);
 488         v0->GetNPxPyPz(p_neg_atv0[0],p_neg_atv0[1],p_neg_atv0[2]);
 489
 490         // Add the positive tracks from the V0
 491
 492         if (posFromV0>-1){
 493           AliESDtrack *esdTrack = esd->GetTrack(posFromV0);
 494           esdTrack->GetPxPyPz(p_pos);
 495           esdTrack->GetXYZ(pos);
 496           esdTrack->GetCovarianceXYZPxPyPz(covTr);
 497           esdTrack->GetESDpid(pid);
 498           esdTrack->GetImpactParameters(dcaPosToPrimVertexXYZ[0],dcaPosToPrimVertexXYZ[1]);
 499           if (!usedTrack[posFromV0]) {
 500             usedTrack[posFromV0] = kTRUE;
 501             UInt_t selectInfo = fTrackFilter->IsSelected(esdTrack);
 502             aodTrack = new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 503                                                           esdTrack->GetLabel(),
 504                                                           p_pos,
 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                                                           selectInfo);
 517             v0DaughterTracks->AddAt(aodTrack,posFromV0);
 518             //      if (fDebug > 0) printf("-------------------Bo: pos track from original pt %.3f \n",aodTrack->Pt());
 519             if (esdTrack->GetSign() > 0) nPosTracks++;
 520             aodTrack->ConvertAliPIDtoAODPID();
 521             aodTrack->SetFlags(esdTrack->GetStatus());
 522             SetAODPID(esdTrack,aodTrack,detpid,timezero);
 523           }
 524           else {
 525             aodTrack = dynamic_cast<AliAODTrack*>(v0DaughterTracks->At(posFromV0));
 526             //      if (fDebug > 0) printf("-------------------Bo pos track from refArray pt %.3f \n",aodTrack->Pt());
 527           }
 528           vV0->AddDaughter(aodTrack);
 529         }
 530
 531         // Add the negative tracks from the V0
 532
 533         if (negFromV0>-1){
 534           AliESDtrack *esdTrack = esd->GetTrack(negFromV0);
 535           esdTrack->GetPxPyPz(p_neg);
 536           esdTrack->GetXYZ(pos);
 537           esdTrack->GetCovarianceXYZPxPyPz(covTr);
 538           esdTrack->GetESDpid(pid);
 539           esdTrack->GetImpactParameters(dcaNegToPrimVertexXYZ[0],dcaNegToPrimVertexXYZ[1]);
 540
 541           if (!usedTrack[negFromV0]) {
 542             usedTrack[negFromV0] = kTRUE;
 543             UInt_t selectInfo = fTrackFilter->IsSelected(esdTrack);
 544             aodTrack = new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 545                                                           esdTrack->GetLabel(),
 546                                                           p_neg,
 547                                                           kTRUE,
 548                                                           pos,
 549                                                           kFALSE,
 550                                                           covTr,
 551                                                           (Short_t)esdTrack->GetSign(),
 552                                                           esdTrack->GetITSClusterMap(),
 553                                                           pid,
 554                                                           vV0,
 555                                                           kTRUE,  // check if this is right
 556                                                           kFALSE, // check if this is right
 557                                                           AliAODTrack::kSecondary,
 558                                                           selectInfo);
 559
 560             v0DaughterTracks->AddAt(aodTrack,negFromV0);
 561             //      if (fDebug > 0) printf("-------------------Bo: neg track from original pt %.3f \n",aodTrack->Pt());
 562             if (esdTrack->GetSign() > 0) nPosTracks++;
 563             aodTrack->ConvertAliPIDtoAODPID();
 564             aodTrack->SetFlags(esdTrack->GetStatus());
 565             SetAODPID(esdTrack,aodTrack,detpid,timezero);
 566           }
 567           else {
 568             aodTrack = dynamic_cast<AliAODTrack*>(v0DaughterTracks->At(negFromV0));
 569             //      if (fDebug > 0) printf("-------------------Bo neg track from refArray pt %.3f \n",aodTrack->Pt());
 570           }
 571           vV0->AddDaughter(aodTrack);
 572         }
 573         dcaDaughterToPrimVertex[0] =
 574           TMath::Sqrt(dcaPosToPrimVertexXYZ[0]*dcaPosToPrimVertexXYZ[0]
 575                       +dcaPosToPrimVertexXYZ[1]*dcaPosToPrimVertexXYZ[1]);
 576         dcaDaughterToPrimVertex[1] =
 577           TMath::Sqrt(dcaNegToPrimVertexXYZ[0]*dcaNegToPrimVertexXYZ[0]
 578                       +dcaNegToPrimVertexXYZ[1]*dcaNegToPrimVertexXYZ[1]);
 579         // add it to the V0 array as well
 580         aodV0 = new(V0s[jV0s++])
 581           AliAODv0(vV0, dcaV0Daughters, dcaV0ToPrimVertex, p_pos_atv0, p_neg_atv0, dcaDaughterToPrimVertex); // to be refined
 582         // set the aod v0 on-the-fly status
 583         aodV0->SetOnFlyStatus(v0->GetOnFlyStatus());
 584 //      if (fDebug > 0)
 585 //        printf("-------------------Bo: In the v0 loop: onFlyStatus=%d,dcaV0Daughters=%.3f dcaV0ToPrimVertex=%.3f dcaDaughterToPrimVertex=[%.3f,%.3f]\n",
 586 //               aodV0->GetOnFlyStatus(), aodV0->DcaV0Daughters(), aodV0->DcaV0ToPrimVertex(),
 587 //               aodV0->DcaPosToPrimVertex(),aodV0->DcaNegToPrimVertex());
 588     }
 589     V0s.Expand(jV0s);
 590     // end of the loop on V0s
 591
 592     // Kinks: it is a big mess the access to the information in the kinks
 593     // The loop is on the tracks in order to find the mother and daugther of each kink
 594
 595
 596     for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) {
 597
 598         AliESDtrack * esdTrack = esd->GetTrack(iTrack);
 599
 600         Int_t ikink = esdTrack->GetKinkIndex(0);
 601
 602         if (ikink && nKinks) {
 603             // Negative kink index: mother, positive: daughter
 604
 605             // Search for the second track of the kink
 606
 607             for (Int_t jTrack = iTrack+1; jTrack<nTracks; ++jTrack) {
 608
 609                 AliESDtrack * esdTrack1 = esd->GetTrack(jTrack);
 610
 611                 Int_t jkink = esdTrack1->GetKinkIndex(0);
 612
 613                 if ( TMath::Abs(ikink)==TMath::Abs(jkink) ) {
 614
 615                     // The two tracks are from the same kink
 616
 617                     if (usedKink[TMath::Abs(ikink)-1]) continue; // skip used kinks
 618
 619                     Int_t imother = -1;
 620                     Int_t idaughter = -1;
 621
 622                     if (ikink<0 && jkink>0) {
 623
 624                         imother = iTrack;
 625                         idaughter = jTrack;
 626                     }
 627                     else if (ikink>0 && jkink<0) {
 628
 629                         imother = jTrack;
 630                         idaughter = iTrack;
 631                     }
 632                     else {
 633 //                      cerr << "Error: Wrong combination of kink indexes: "
 634 //                           << ikink << " " << jkink << endl;
 635                         continue;
 636                     }
 637
 638                     // Add the mother track
 639
 640                     AliAODTrack * mother = NULL;
 641
 642                     if (!usedTrack[imother]) {
 643
 644                         usedTrack[imother] = kTRUE;
 645
 646                         AliESDtrack *esdTrackM = esd->GetTrack(imother);
 647                         esdTrackM->GetPxPyPz(p);
 648                         esdTrackM->GetXYZ(pos);
 649                         esdTrackM->GetCovarianceXYZPxPyPz(covTr);
 650                         esdTrackM->GetESDpid(pid);
 651                         UInt_t selectInfo = fTrackFilter->IsSelected(esdTrackM);
 652                         mother =
 653                             new(tracks[jTracks++]) AliAODTrack(esdTrackM->GetID(),
 654                                                                esdTrackM->GetLabel(),
 655                                                                p,
 656                                                                kTRUE,
 657                                                                pos,
 658                                                                kFALSE,
 659                                                                covTr,
 660                                                                (Short_t)esdTrackM->GetSign(),
 661                                                                esdTrackM->GetITSClusterMap(),
 662                                                                pid,
 663                                                                primary,
 664                                                                kTRUE, // check if this is right
 665                                                                kTRUE, // check if this is right
 666                                                                AliAODTrack::kPrimary,
 667                                                                selectInfo);
 668                         if (esdTrackM->GetSign() > 0) nPosTracks++;
 669                         mother->SetFlags(esdTrackM->GetStatus());
 670                         mother->ConvertAliPIDtoAODPID();
 671                         primary->AddDaughter(mother);
 672                         mother->ConvertAliPIDtoAODPID();
 673                         SetAODPID(esdTrackM,mother,detpid,timezero);
 674                     }
 675                     else {
 676 //                      cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1
 677 //                           << " track " << imother << " has already been used!" << endl;
 678                   }
 679
 680                     // Add the kink vertex
 681                     AliESDkink * kink = esd->GetKink(TMath::Abs(ikink)-1);
 682
 683                     AliAODVertex * vkink =
 684                         new(vertices[jVertices++]) AliAODVertex(kink->GetPosition(),
 685                                                                 NULL,
 686                                                                 0.,
 687                                                                 mother,
 688                                                                 esdTrack->GetID(),  // This is the track ID of the mother's track!
 689                                                                 AliAODVertex::kKink);
 690                     // Add the daughter track
 691
 692                     AliAODTrack * daughter = NULL;
 693
 694                     if (!usedTrack[idaughter]) {
 695
 696                         usedTrack[idaughter] = kTRUE;
 697
 698                         AliESDtrack *esdTrackD = esd->GetTrack(idaughter);
 699                         esdTrackD->GetPxPyPz(p);
 700                         esdTrackD->GetXYZ(pos);
 701                         esdTrackD->GetCovarianceXYZPxPyPz(covTr);
 702                         esdTrackD->GetESDpid(pid);
 703                         UInt_t selectInfo = fTrackFilter->IsSelected(esdTrackD);
 704                         daughter =
 705                             new(tracks[jTracks++]) AliAODTrack(esdTrackD->GetID(),
 706                                                                esdTrackD->GetLabel(),
 707                                                                p,
 708                                                                kTRUE,
 709                                                                pos,
 710                                                                kFALSE,
 711                                                                covTr,
 712                                                                (Short_t)esdTrackD->GetSign(),
 713                                                                esdTrackD->GetITSClusterMap(),
 714                                                                pid,
 715                                                                vkink,
 716                                                                kTRUE, // check if this is right
 717                                                                kTRUE, // check if this is right
 718                                                                AliAODTrack::kSecondary,
 719                                                                selectInfo);
 720
 721                         if (esdTrackD->GetSign() > 0) nPosTracks++;
 722                         daughter->SetFlags(esdTrackD->GetStatus());
 723                         daughter->ConvertAliPIDtoAODPID();
 724                         vkink->AddDaughter(daughter);
 725                         daughter->ConvertAliPIDtoAODPID();
 726                        SetAODPID(esdTrackD,daughter,detpid,timezero);
 727                     }
 728                     else {
 729 //                      cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1
 730 //                           << " track " << idaughter << " has already been used!" << endl;
 731                     }
 732                 }
 733             }
 734         }
 735     }
 736
 737
 738     // Tracks (primary and orphan)
 739
 740     if (fDebug > 0) printf("NUMBER OF ESD TRACKS %5d\n", nTracks);
 741
 742     for (Int_t nTrack = 0; nTrack < nTracks; ++nTrack) {
 743
 744
 745         if (usedTrack[nTrack]) continue;
 746
 747         AliESDtrack *esdTrack = esd->GetTrack(nTrack);
 748         UInt_t selectInfo = 0;
 749         //
 750         // Track selection
 751         if (fTrackFilter) {
 752             selectInfo = fTrackFilter->IsSelected(esdTrack);
 753             if (!selectInfo) continue;
 754         }
 755
 756         //
 757         esdTrack->GetPxPyPz(p);
 758         esdTrack->GetXYZ(pos);
 759         esdTrack->GetCovarianceXYZPxPyPz(covTr);
 760         esdTrack->GetESDpid(pid);
 761
 762         Float_t impactXY, impactZ;
 763
 764         esdTrack->GetImpactParameters(impactXY,impactZ);
 765
 766         if (impactXY<3) {
 767             // track inside the beam pipe
 768
 769             primary->AddDaughter(aodTrack =
 770                                  new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 771                                                                     esdTrack->GetLabel(),
 772                                                                     p,
 773                                                                     kTRUE,
 774                                                                     pos,
 775                                                                     kFALSE,
 776                                                                     covTr,
 777                                                                     (Short_t)esdTrack->GetSign(),
 778                                                                     esdTrack->GetITSClusterMap(),
 779                                                                     pid,
 780                                                                     primary,
 781                                                                     kTRUE, // check if this is right
 782                                                                     kTRUE, // check if this is right
 783                                                                     AliAODTrack::kPrimary,
 784                                                                     selectInfo)
 785                 );
 786        if (esdTrack->GetSign() > 0) nPosTracks++;
 787             aodTrack->SetFlags(esdTrack->GetStatus());
 788             aodTrack->ConvertAliPIDtoAODPID();
 789             SetAODPID(esdTrack,aodTrack,detpid,timezero);
 790         }
 791         else {
 792           // outside the beam pipe: orphan track
 793           // Don't write them anymore!
 794           continue;
 795           /*
 796           aodTrack =
 797             new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 798                                                esdTrack->GetLabel(),
 799                                                p,
 800                                                kTRUE,
 801                                                pos,
 802                                                kFALSE,
 803                                                covTr,
 804                                                (Short_t)esdTrack->GetSign(),
 805                                                esdTrack->GetITSClusterMap(),
 806                                                pid,
 807                                                NULL,
 808                                                kFALSE, // check if this is right
 809                                                kFALSE, // check if this is right
 810                                                AliAODTrack::kOrphan,
 811                                                selectInfo);
 812      if (esdTrack->GetSign() > 0) nPosTracks++;
 813           aodTrack->SetFlags(esdTrack->GetStatus());
 814           aodTrack->ConvertAliPIDtoAODPID();
 815           */
 816         }
 817     } // end of loop on tracks
 818
 819     // Update number of AOD tracks in header at the end of track loop (M.G.)
 820     header->SetRefMultiplicity(jTracks);
 821     header->SetRefMultiplicityPos(nPosTracks);
 822     header->SetRefMultiplicityNeg(jTracks - nPosTracks);
 823     if (fDebug > 0)
 824       printf("   NAODTRACKS=%d  NPOS=%d  NNEG=%d\n", jTracks, nPosTracks, jTracks - nPosTracks);
 825     // Do not shrink the array of tracks - other filters may add to it (M.G)
 826 //    tracks.Expand(jTracks); // remove 'empty slots' due to unwritten tracks
 827
 828     // Access to the AOD container of PMD clusters
 829     TClonesArray &pmdClusters = *(AODEvent()->GetPmdClusters());
 830     Int_t jPmdClusters=0;
 831
 832     for (Int_t iPmd = 0; iPmd < nPmdClus; ++iPmd) {
 833       // file pmd clusters, to be revised!
 834       AliESDPmdTrack *pmdTrack = esd->GetPmdTrack(iPmd);
 835       Int_t nLabel = 0;
 836       Int_t *label = 0x0;
 837       Double_t posPmd[3] = { pmdTrack->GetClusterX(), pmdTrack->GetClusterY(), pmdTrack->GetClusterZ()};
 838       Double_t pidPmd[9] = { 0., 0., 0., 0., 0., 0., 0., 0., 0. }; // to be revised!
 839       // type not set!
 840       // assoc cluster not set
 841       new(pmdClusters[jPmdClusters++]) AliAODPmdCluster(iPmd, nLabel, label, pmdTrack->GetClusterADC(), posPmd, pidPmd);
 842     }
 843
 844     // Access to the AOD container of clusters
 845     TClonesArray &caloClusters = *(AODEvent()->GetCaloClusters());
 846     Int_t jClusters=0;
 847
 848     for (Int_t iClust=0; iClust<nCaloClus; ++iClust) {
 849
 850       AliESDCaloCluster * cluster = esd->GetCaloCluster(iClust);
 851
 852       Int_t id        = cluster->GetID();
 853       Int_t nLabel    = cluster->GetNLabels();
 854       TArrayI* labels = cluster->GetLabels();
 855       Int_t *label = 0;
 856       if (labels) label = (cluster->GetLabels())->GetArray();
 857
 858       Float_t energy = cluster->E();
 859       cluster->GetPosition(posF);
 860       Char_t ttype = AliAODCluster::kUndef;
 861
 862       if (cluster->GetClusterType() == AliESDCaloCluster::kPHOSCluster) {
 863         ttype=AliAODCluster::kPHOSNeutral;
 864       }
 865       else if (cluster->GetClusterType() == AliESDCaloCluster::kEMCALClusterv1) {
 866         ttype = AliAODCluster::kEMCALClusterv1;
 867       }
 868
 869
 870       AliAODCaloCluster *caloCluster = new(caloClusters[jClusters++]) AliAODCaloCluster(id,
 871                                                                                         nLabel,
 872                                                                                         label,
 873                                                                                         energy,
 874                                                                                         posF,
 875                                                                                         NULL,
 876                                                                                         ttype);
 877
 878       caloCluster->SetCaloCluster(cluster->GetDistanceToBadChannel(),
 879                                   cluster->GetClusterDisp(),
 880                                   cluster->GetM20(), cluster->GetM02(),
 881                                   cluster->GetEmcCpvDistance(),
 882                                   cluster->GetNExMax(),cluster->GetTOF()) ;
 883
 884       caloCluster->SetPIDFromESD(cluster->GetPid());
 885       caloCluster->SetNCells(cluster->GetNCells());
 886       caloCluster->SetCellsAbsId(cluster->GetCellsAbsId());
 887       caloCluster->SetCellsAmplitudeFraction(cluster->GetCellsAmplitudeFraction());
 888
 889       TArrayI* matchedT =       cluster->GetTracksMatched();
 890       if (matchedT && cluster->GetTrackMatched() >= 0) {
 891         for (Int_t im = 0; im < matchedT->GetSize(); im++) {
 892           caloCluster->AddTrackMatched((esd->GetTrack(im)));
 893         }
 894       }
 895
 896     }
 897     caloClusters.Expand(jClusters); // resize TObjArray to 'remove' slots for pseudo clusters
 898     // end of loop on calo clusters
 899
 900     // fill EMCAL cell info
 901     if (esd->GetEMCALCells()) { // protection against missing ESD information
 902       AliESDCaloCells &esdEMcells = *(esd->GetEMCALCells());
 903       Int_t nEMcell = esdEMcells.GetNumberOfCells() ;
 904
 905       AliAODCaloCells &aodEMcells = *(AODEvent()->GetEMCALCells());
 906       aodEMcells.CreateContainer(nEMcell);
 907       aodEMcells.SetType(AliAODCaloCells::kEMCAL);
 908       for (Int_t iCell = 0; iCell < nEMcell; iCell++) {
 909         aodEMcells.SetCell(iCell,esdEMcells.GetCellNumber(iCell),esdEMcells.GetAmplitude(iCell));
 910       }
 911       aodEMcells.Sort();
 912     }
 913
 914     // fill PHOS cell info
 915     if (esd->GetPHOSCells()) { // protection against missing ESD information
 916       AliESDCaloCells &esdPHcells = *(esd->GetPHOSCells());
 917       Int_t nPHcell = esdPHcells.GetNumberOfCells() ;
 918
 919       AliAODCaloCells &aodPHcells = *(AODEvent()->GetPHOSCells());
 920       aodPHcells.CreateContainer(nPHcell);
 921       aodPHcells.SetType(AliAODCaloCells::kPHOS);
 922       for (Int_t iCell = 0; iCell < nPHcell; iCell++) {
 923         aodPHcells.SetCell(iCell,esdPHcells.GetCellNumber(iCell),esdPHcells.GetAmplitude(iCell));
 924       }
 925       aodPHcells.Sort();
 926     }
 927
 928     // tracklets
 929     AliAODTracklets &SPDTracklets = *(AODEvent()->GetTracklets());
 930     const AliMultiplicity *mult = esd->GetMultiplicity();
 931     if (mult) {
 932       if (mult->GetNumberOfTracklets()>0) {
 933         SPDTracklets.CreateContainer(mult->GetNumberOfTracklets());
 934
 935         for (Int_t n=0; n<mult->GetNumberOfTracklets(); n++) {
 936           SPDTracklets.SetTracklet(n, mult->GetTheta(n), mult->GetPhi(n), mult->GetDeltaPhi(n), mult->GetLabel(n, 0), mult->GetLabel(n, 1));
 937         }
 938       }
 939     } else {
 940       //Printf("ERROR: AliMultiplicity could not be retrieved from ESD");
 941     }
 942
 943     delete [] usedTrack;
 944     delete [] usedV0;
 945     delete [] usedKink;
 946     delete    v0DaughterTracks;
 947
 948     return;
 949 }
 950
 951 void AliAnalysisTaskESDfilter::SetAODPID(AliESDtrack *esdtrack, AliAODTrack *aodtrack, AliAODPid *detpid, Double_t timezero)
 952 {
 953   //
 954   // Setter for the raw PID detector signals
 955   //
 956
 957   if(esdtrack->Pt()>fHighPthreshold) {
 958     detpid = new AliAODPid();
 959     SetDetectorRawSignals(detpid,esdtrack,timezero);
 960     aodtrack->SetDetPID(detpid);
 961   } else {
 962     if(fPtshape){
 963       if(esdtrack->Pt()> fPtshape->GetXmin()){
 964         Double_t y = fPtshape->Eval(esdtrack->Pt())/fPtshape->Eval(fHighPthreshold);
 965         if(gRandom->Rndm(0)<1./y){
 966           detpid = new AliAODPid();
 967           SetDetectorRawSignals(detpid,esdtrack,timezero);
 968           aodtrack->SetDetPID(detpid);
 969         }//end rndm
 970       }//end if p < pmin
 971     }//end if p function
 972   }// end else
 973 }
 974
 975 void AliAnalysisTaskESDfilter::SetDetectorRawSignals(AliAODPid *aodpid, AliESDtrack *track, Double_t timezero)
 976 {
 977 //
 978 //assignment of the detector signals (AliXXXesdPID inspired)
 979 //
 980  if(!track){
 981  AliInfo("no ESD track found. .....exiting");
 982  return;
 983  }
 984
 985  aodpid->SetITSsignal(track->GetITSsignal());
 986  aodpid->SetTPCsignal(track->GetTPCsignal());
 987  //n TRD planes = 6
 988
 989  Int_t nslices = track->GetNumberOfTRDslices()*6;
 990  Double_t *trdslices = new Double_t[nslices];
 991  for(Int_t iSl =0; iSl < track->GetNumberOfTRDslices(); iSl++) {
 992      for(Int_t iPl =0; iPl<6; iPl++) trdslices[iPl*track->GetNumberOfTRDslices()+iSl] = track->GetTRDslice(iPl,iSl);
 993     }
 994
 995
 996  aodpid->SetTRDsignal(track->GetNumberOfTRDslices()*6,trdslices);
 997  Double_t times[AliAODPid::kSPECIES]; track->GetIntegratedTimes(times);
 998  aodpid->SetIntegratedTimes(times);
 999
1000  aodpid->SetTOFsignal(track->GetTOFsignal()-timezero); // to be fixed
1001  aodpid->SetHMPIDsignal(track->GetHMPIDsignal());
1002
1003 }
1004 void AliAnalysisTaskESDfilter::Terminate(Option_t */*option*/)
1005 {
1006 // Terminate analysis
1007 //
1008     if (fDebug > 1) printf("AnalysisESDfilter: Terminate() \n");
1009 }
1010