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  *                                                                        *
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  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 <TList.h>
  20 #include <TFile.h>
  21 #include <TArrayI.h>
  22 #include <TRandom.h>
  23
  24 #include "AliAnalysisTaskESDfilter.h"
  25 #include "AliAnalysisManager.h"
  26 #include "AliESDEvent.h"
  27 #include "AliAODEvent.h"
  28 #include "AliESDInputHandler.h"
  29 #include "AliAODHandler.h"
  30 #include "AliAnalysisFilter.h"
  31 #include "AliESDMuonTrack.h"
  32 #include "AliESDVertex.h"
  33 #include "AliESDv0.h"
  34 #include "AliESDkink.h"
  35 #include "AliESDcascade.h"
  36 #include "AliESDPmdTrack.h"
  37 #include "AliESDCaloCluster.h"
  38 #include "AliESDCaloCells.h"
  39 #include "AliMultiplicity.h"
  40 #include "AliLog.h"
  41
  42 ClassImp(AliAnalysisTaskESDfilter)
  43
  44 ////////////////////////////////////////////////////////////////////////
  45
  46 AliAnalysisTaskESDfilter::AliAnalysisTaskESDfilter():
  47     AliAnalysisTaskSE(),
  48     fTrackFilter(0x0),
  49     fKinkFilter(0x0),
  50     fV0Filter(0x0),
  51     fHighPthreshold(0),
  52     fPtshape(0x0)
  53 {
  54   // Default constructor
  55 }
  56
  57 AliAnalysisTaskESDfilter::AliAnalysisTaskESDfilter(const char* name):
  58     AliAnalysisTaskSE(name),
  59     fTrackFilter(0x0),
  60     fKinkFilter(0x0),
  61     fV0Filter(0x0),
  62     fHighPthreshold(0),
  63     fPtshape(0x0)
  64 {
  65   // Constructor
  66 }
  67
  68 void AliAnalysisTaskESDfilter::UserCreateOutputObjects()
  69 {
  70 // Create the output container
  71     OutputTree()->GetUserInfo()->Add(fTrackFilter);
  72 }
  73
  74 void AliAnalysisTaskESDfilter::Init()
  75 {
  76     // Initialization
  77     if (fDebug > 1) AliInfo("Init() \n");
  78     // Call configuration file
  79 }
  80
  81
  82 void AliAnalysisTaskESDfilter::UserExec(Option_t */*option*/)
  83 {
  84 // Execute analysis for current event
  85 //
  86
  87   Long64_t ientry = Entry();
  88   if (fDebug > 0) printf("Filter: Analysing event # %5d\n", (Int_t) ientry);
  89   if (fHighPthreshold == 0) AliInfo("detector PID signals are stored in each track");
  90   if (!fPtshape) AliInfo("detector PID signals are not stored below the pt threshold");
  91   ConvertESDtoAOD();
  92 }
  93
  94 void AliAnalysisTaskESDfilter::ConvertESDtoAOD() {
  95     // ESD Filter analysis task executed for each event
  96     AliESDEvent* esd = dynamic_cast<AliESDEvent*>(InputEvent());
  97     AliESD* old = esd->GetAliESDOld();
  98
  99     // set arrays and pointers
 100     Float_t posF[3];
 101     Double_t pos[3];
 102     Double_t p[3];
 103     Double_t p_pos[3];
 104     Double_t p_neg[3];
 105     Double_t p_pos_atv0[3];
 106     Double_t p_neg_atv0[3];
 107     Double_t covVtx[6];
 108     Double_t covTr[21];
 109     Double_t pid[10];
 110
 111     for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 112     for (Int_t i = 0; i < 21; i++) covTr [i] = 0.;
 113
 114
 115   // loop over events and fill them
 116
 117   // Multiplicity information needed by the header (to be revised!)
 118     Int_t nTracks    = esd->GetNumberOfTracks();
 119     //    if (fDebug > 0) printf("-------------------Bo: Number of ESD tracks %d \n",nTracks);
 120
 121     Int_t nPosTracks = 0;
 122 //    for (Int_t iTrack = 0; iTrack < nTracks; ++iTrack)
 123 //      if (esd->GetTrack(iTrack)->GetSign()> 0) nPosTracks++;
 124
 125     // Update the header
 126
 127     AliAODHeader* header = AODEvent()->GetHeader();
 128     header->SetRunNumber(esd->GetRunNumber());
 129     if (old) {
 130         header->SetBunchCrossNumber(0);
 131         header->SetOrbitNumber(0);
 132         header->SetPeriodNumber(0);
 133         header->SetEventType(0);
 134         header->SetMuonMagFieldScale(-999.); // FIXME
 135         header->SetCentrality(-999.);        // FIXME
 136     } else {
 137         header->SetBunchCrossNumber(esd->GetBunchCrossNumber());
 138         header->SetOrbitNumber(esd->GetOrbitNumber());
 139         header->SetPeriodNumber(esd->GetPeriodNumber());
 140         header->SetEventType(esd->GetEventType());
 141         header->SetMuonMagFieldScale(-999.); // FIXME
 142         header->SetCentrality(-999.);        // FIXME
 143     }
 144
 145     header->SetTriggerMask(esd->GetTriggerMask());
 146     header->SetTriggerCluster(esd->GetTriggerCluster());
 147     header->SetMagneticField(esd->GetMagneticField());
 148     header->SetZDCN1Energy(esd->GetZDCN1Energy());
 149     header->SetZDCP1Energy(esd->GetZDCP1Energy());
 150     header->SetZDCN2Energy(esd->GetZDCN2Energy());
 151     header->SetZDCP2Energy(esd->GetZDCP2Energy());
 152     header->SetZDCEMEnergy(esd->GetZDCEMEnergy(0),esd->GetZDCEMEnergy(1));
 153 //
 154 //
 155     Int_t nV0s      = esd->GetNumberOfV0s();
 156     Int_t nCascades = esd->GetNumberOfCascades();
 157     Int_t nKinks    = esd->GetNumberOfKinks();
 158     Int_t nVertices = nV0s + 2*nCascades /*could lead to two vertices, one V0 and the Xi */+ nKinks + 1 /* = prim. vtx*/;
 159     Int_t nJets     = 0;
 160     Int_t nCaloClus = esd->GetNumberOfCaloClusters();
 161     Int_t nFmdClus  = 0;
 162     Int_t nPmdClus  = esd->GetNumberOfPmdTracks();
 163
 164     if (fDebug > 0)
 165         printf("   NV0=%d  NCASCADES=%d  NKINKS=%d\n", nV0s, nCascades, nKinks);
 166
 167     AODEvent()->ResetStd(nTracks, nVertices, nV0s+nCascades, nJets, nCaloClus, nFmdClus, nPmdClus);
 168
 169     AliAODTrack *aodTrack = 0x0;
 170     AliAODPid   *detpid   = 0x0;
 171     Double_t timezero = 0; //TO BE FIXED
 172     AliAODv0    *aodV0    = 0x0;
 173
 174     // RefArray to take into account the tracks associated to V0s
 175     TRefArray   *v0DaughterTracks = NULL;
 176     if (nTracks>0) v0DaughterTracks = new TRefArray(nTracks);
 177
 178     // Array to take into account the tracks already added to the AOD
 179     Bool_t * usedTrack = NULL;
 180     if (nTracks>0) {
 181         usedTrack = new Bool_t[nTracks];
 182         for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) usedTrack[iTrack]=kFALSE;
 183     }
 184     // Array to take into account the V0s already added to the AOD
 185     Bool_t * usedV0 = NULL;
 186     if (nV0s>0) {
 187         usedV0 = new Bool_t[nV0s];
 188         for (Int_t iV0=0; iV0<nV0s; ++iV0) usedV0[iV0]=kFALSE;
 189     }
 190     // Array to take into account the kinks already added to the AOD
 191     Bool_t * usedKink = NULL;
 192     if (nKinks>0) {
 193         usedKink = new Bool_t[nKinks];
 194         for (Int_t iKink=0; iKink<nKinks; ++iKink) usedKink[iKink]=kFALSE;
 195     }
 196
 197     // Access to the AOD container of vertices
 198     TClonesArray &vertices = *(AODEvent()->GetVertices());
 199     Int_t jVertices=0;
 200
 201     // Access to the AOD container of tracks
 202     TClonesArray &tracks = *(AODEvent()->GetTracks());
 203     Int_t jTracks=0;
 204
 205     // Access to the AOD container of V0s
 206     TClonesArray &V0s = *(AODEvent()->GetV0s());
 207     Int_t jV0s=0;
 208
 209     // Add primary vertex. The primary tracks will be defined
 210     // after the loops on the composite objects (V0, cascades, kinks)
 211     const AliESDVertex *vtx = esd->GetPrimaryVertex();
 212
 213     vtx->GetXYZ(pos); // position
 214     vtx->GetCovMatrix(covVtx); //covariance matrix
 215
 216     AliAODVertex * primary = new(vertices[jVertices++])
 217         AliAODVertex(pos, covVtx, vtx->GetChi2toNDF(), NULL, -1, AliAODVertex::kPrimary);
 218     if (fDebug > 0) primary->Print();
 219
 220     // Create vertices starting from the most complex objects
 221     Double_t chi2 = 0.;
 222
 223     // Cascades
 224     for (Int_t nCascade = 0; nCascade < nCascades; ++nCascade) {
 225         AliESDcascade *cascade = esd->GetCascade(nCascade);
 226
 227         cascade->GetXYZ(pos[0], pos[1], pos[2]);
 228
 229         if (!old) {
 230             chi2 = cascade->GetChi2Xi(); // = chi2/NDF since NDF = 2*2-3
 231             cascade->GetPosCovXi(covVtx);
 232         } else {
 233             chi2 = -999.;
 234             for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 235         }
 236         // Add the cascade vertex
 237         AliAODVertex * vcascade = new(vertices[jVertices++]) AliAODVertex(pos,
 238                                                                           covVtx,
 239                                                                           chi2,
 240                                                                           primary,
 241                                                                           nCascade,
 242                                                                           AliAODVertex::kCascade);
 243
 244         primary->AddDaughter(vcascade);
 245
 246         // Add the V0 from the cascade. The ESD class have to be optimized...
 247         // Now we have to search for the corresponding Vo in the list of V0s
 248         // using the indeces of the positive and negative tracks
 249
 250         Int_t posFromV0 = cascade->GetPindex();
 251         Int_t negFromV0 = cascade->GetNindex();
 252
 253
 254         AliESDv0 * v0 = 0x0;
 255         Int_t indV0 = -1;
 256
 257         for (Int_t iV0=0; iV0<nV0s; ++iV0) {
 258
 259             v0 = esd->GetV0(iV0);
 260             Int_t posV0 = v0->GetPindex();
 261             Int_t negV0 = v0->GetNindex();
 262
 263             if (posV0==posFromV0 && negV0==negFromV0) {
 264                 indV0 = iV0;
 265                 break;
 266             }
 267         }
 268
 269         AliAODVertex * vV0FromCascade = 0x0;
 270
 271         if (indV0>-1 && !usedV0[indV0] ) {
 272
 273             // the V0 exists in the array of V0s and is not used
 274
 275             usedV0[indV0] = kTRUE;
 276
 277             v0->GetXYZ(pos[0], pos[1], pos[2]);
 278             if (!old) {
 279                 chi2 = v0->GetChi2V0();  // = chi2/NDF since NDF = 2*2-3
 280                 v0->GetPosCov(covVtx);
 281             } else {
 282                 chi2 = -999.;
 283                 for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 284             }
 285
 286             vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos,
 287                                                                      covVtx,
 288                                                                      chi2,
 289                                                                      vcascade,
 290                                                                      indV0,
 291                                                                      AliAODVertex::kV0);
 292         } else {
 293
 294             // the V0 doesn't exist in the array of V0s or was used
 295 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 296 //               << " The V0 " << indV0
 297 //               << " doesn't exist in the array of V0s or was used!" << endl;
 298
 299             cascade->GetXYZ(pos[0], pos[1], pos[2]);
 300
 301             if (!old) {
 302                 chi2 = v0->GetChi2V0();
 303                 cascade->GetPosCov(covVtx);
 304             } else {
 305                 chi2 = -999.;
 306                 for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 307             }
 308
 309             vV0FromCascade = new(vertices[jVertices++]) AliAODVertex(pos,
 310                                                                      covVtx,
 311                                                                      chi2, // = chi2/NDF since NDF = 2*2-3 (AM)
 312                                                                      vcascade,
 313                                                                      indV0,
 314                                                                      AliAODVertex::kV0);
 315             vcascade->AddDaughter(vV0FromCascade);
 316         }
 317
 318         // Add the positive tracks from the V0
 319
 320         if (posFromV0>-1 && !usedTrack[posFromV0]) {
 321
 322             usedTrack[posFromV0] = kTRUE;
 323
 324             AliESDtrack *esdTrack = esd->GetTrack(posFromV0);
 325             esdTrack->GetPxPyPz(p_pos);
 326             esdTrack->GetXYZ(pos);
 327             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 328             esdTrack->GetESDpid(pid);
 329             UInt_t selectInfo = 0;
 330             if (fTrackFilter) {
 331                 selectInfo = fTrackFilter->IsSelected(esdTrack);
 332             }
 333
 334             vV0FromCascade->AddDaughter(aodTrack =
 335                                         new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 336                                                                            esdTrack->GetLabel(),
 337                                                                            p_pos,
 338                                                                            kTRUE,
 339                                                                            pos,
 340                                                                            kFALSE,
 341                                                                            covTr,
 342                                                                            (Short_t)esdTrack->GetSign(),
 343                                                                            esdTrack->GetITSClusterMap(),
 344                                                                            pid,
 345                                                                            vV0FromCascade,
 346                                                                            kTRUE,  // check if this is right
 347                                                                            kFALSE, // check if this is right
 348                                                                            AliAODTrack::kSecondary,
 349                                                                            selectInfo)
 350                                         );
 351        if (esdTrack->GetSign() > 0) nPosTracks++;
 352             aodTrack->ConvertAliPIDtoAODPID();
 353             aodTrack->SetFlags(esdTrack->GetStatus());
 354             SetAODPID(esdTrack,aodTrack,detpid,timezero);
 355         }
 356         else {
 357 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 358 //               << " track " << posFromV0 << " has already been used!" << endl;
 359         }
 360
 361         // Add the negative tracks from the V0
 362
 363         if (negFromV0>-1 && !usedTrack[negFromV0]) {
 364
 365             usedTrack[negFromV0] = kTRUE;
 366
 367             AliESDtrack *esdTrack = esd->GetTrack(negFromV0);
 368             esdTrack->GetPxPyPz(p_neg);
 369             esdTrack->GetXYZ(pos);
 370             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 371             esdTrack->GetESDpid(pid);
 372             UInt_t selectInfo = 0;
 373             if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdTrack);
 374
 375             vV0FromCascade->AddDaughter(aodTrack =
 376                                         new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 377                                                                            esdTrack->GetLabel(),
 378                                                                            p_neg,
 379                                                                            kTRUE,
 380                                                                            pos,
 381                                                                            kFALSE,
 382                                                                            covTr,
 383                                                                            (Short_t)esdTrack->GetSign(),
 384                                                                            esdTrack->GetITSClusterMap(),
 385                                                                            pid,
 386                                                                            vV0FromCascade,
 387                                                                            kTRUE,  // check if this is right
 388                                                                            kFALSE, // check if this is right
 389                                                                            AliAODTrack::kSecondary,
 390                                                                            selectInfo)
 391                                         );
 392
 393        if (esdTrack->GetSign() > 0) nPosTracks++;
 394             aodTrack->ConvertAliPIDtoAODPID();
 395             aodTrack->SetFlags(esdTrack->GetStatus());
 396             SetAODPID(esdTrack,aodTrack,detpid,timezero);
 397         }
 398         else {
 399 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 400 //               << " track " << negFromV0 << " has already been used!" << endl;
 401         }
 402
 403         // add it to the V0 array as well
 404         Double_t d0[2] = { -999., -99.};
 405         // counting is probably wrong
 406         new(V0s[jV0s++]) AliAODv0(vV0FromCascade, -999., -99., p_pos, p_neg, d0); // to be refined
 407
 408         // Add the bachelor track from the cascade
 409
 410         Int_t bachelor = cascade->GetBindex();
 411
 412         if(bachelor>-1 && !usedTrack[bachelor]) {
 413
 414             usedTrack[bachelor] = kTRUE;
 415
 416             AliESDtrack *esdTrack = esd->GetTrack(bachelor);
 417             esdTrack->GetPxPyPz(p);
 418             esdTrack->GetXYZ(pos);
 419             esdTrack->GetCovarianceXYZPxPyPz(covTr);
 420             esdTrack->GetESDpid(pid);
 421             UInt_t selectInfo = 0;
 422             if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdTrack);
 423
 424             vcascade->AddDaughter(aodTrack =
 425                                   new(tracks[jTracks++]) AliAODTrack(esdTrack->GetID(),
 426                                                                      esdTrack->GetLabel(),
 427                                                                      p,
 428                                                                      kTRUE,
 429                                                                      pos,
 430                                                                      kFALSE,
 431                                                                      covTr,
 432                                                                      (Short_t)esdTrack->GetSign(),
 433                                                                      esdTrack->GetITSClusterMap(),
 434                                                                      pid,
 435                                                                      vcascade,
 436                                                                      kTRUE,  // check if this is right
 437                                                                      kFALSE, // check if this is right
 438                                                                      AliAODTrack::kSecondary,
 439                                                                      selectInfo)
 440                                   );
 441        if (esdTrack->GetSign() > 0) nPosTracks++;
 442             aodTrack->ConvertAliPIDtoAODPID();
 443             aodTrack->SetFlags(esdTrack->GetStatus());
 444             SetAODPID(esdTrack,aodTrack,detpid,timezero);
 445         }
 446         else {
 447 //          cerr << "Error: event " << esd->GetEventNumberInFile() << " cascade " << nCascade
 448 //               << " track " << bachelor << " has already been used!" << endl;
 449         }
 450
 451         // Add the primary track of the cascade (if any)
 452
 453     } // end of the loop on cascades
 454
 455     //
 456     // V0s
 457     //
 458
 459     for (Int_t nV0 = 0; nV0 < nV0s; ++nV0) {
 460
 461         if (usedV0[nV0]) continue; // skip if already added to the AOD
 462
 463         AliESDv0 *v0 = esd->GetV0(nV0);
 464         Int_t posFromV0 = v0->GetPindex();
 465         Int_t negFromV0 = v0->GetNindex();
 466         if (posFromV0 < 0 || negFromV0 < 0) continue;
 467
 468         // V0 selection
 469         //
 470         AliESDVertex *esdVtx = new AliESDVertex(*(esd->GetPrimaryVertex()));
 471
 472         AliESDtrack *esdV0Pos = esd->GetTrack(posFromV0);
 473         AliESDtrack *esdV0Neg = esd->GetTrack(negFromV0);
 474         TList v0objects;
 475         v0objects.AddAt(v0,                      0);
 476         v0objects.AddAt(esdV0Pos,                1);
 477         v0objects.AddAt(esdV0Neg,                2);
 478         v0objects.AddAt(esdVtx,                  3);
 479         UInt_t selectV0 = 0;
 480         if (fV0Filter) {
 481           selectV0 = fV0Filter->IsSelected(&v0objects);
 482           // this is a little awkward but otherwise the
 483           // list wants to access the pointer again when going out of scope
 484           delete v0objects.RemoveAt(3);
 485           if (!selectV0)
 486             continue;
 487         }
 488         else{
 489           delete v0objects.RemoveAt(3);
 490         }
 491
 492         v0->GetXYZ(pos[0], pos[1], pos[2]);
 493
 494         if (!old) {
 495             chi2 = v0->GetChi2V0(); // = chi2/NDF since NDF = 2*2-3
 496             v0->GetPosCov(covVtx);
 497         } else {
 498             chi2 = -999.;
 499             for (Int_t i = 0; i < 6; i++)  covVtx[i] = 0.;
 500         }
 501
 502
 503         AliAODVertex * vV0 =
 504           new(vertices[jVertices++]) AliAODVertex(pos,
 505                                                   covVtx,
 506                                                   chi2,
 507                                                   primary,
 508                                                   nV0,
 509                                                   AliAODVertex::kV0);
 510         primary->AddDaughter(vV0);
 511
 512
 513         Float_t  dcaPosToPrimVertexXYZ[2]   = { 999., 999.}; // ..[0] = in XY plane and ..[1] = in Z
 514         Float_t  dcaNegToPrimVertexXYZ[2]   = { 999., 999.}; // ..[0] = in XY plane and ..[1] = in Z
 515         Double_t dcaDaughterToPrimVertex[2] = { 999., 999.}; // ..[0] = Pos and ..[1] = Neg
 516
 517         Double_t  dcaV0Daughters      = v0->GetDcaV0Daughters();
 518         Double_t  dcaV0ToPrimVertex   = v0->GetD();
 519
 520         v0->GetPPxPyPz(p_pos_atv0[0],p_pos_atv0[1],p_pos_atv0[2]);
 521         v0->GetNPxPyPz(p_neg_atv0[0],p_neg_atv0[1],p_neg_atv0[2]);
 522
 523         // Add the positive tracks from the V0
 524
 525
 526         esdV0Pos->GetPxPyPz(p_pos);
 527         esdV0Pos->GetXYZ(pos);
 528         esdV0Pos->GetCovarianceXYZPxPyPz(covTr);
 529         esdV0Pos->GetESDpid(pid);
 530         esdV0Pos->GetImpactParameters(dcaPosToPrimVertexXYZ[0],dcaPosToPrimVertexXYZ[1]);
 531         if (!usedTrack[posFromV0]) {
 532             usedTrack[posFromV0] = kTRUE;
 533             UInt_t selectInfo = 0;
 534             if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdV0Pos);
 535             aodTrack = new(tracks[jTracks++]) AliAODTrack(esdV0Pos->GetID(),
 536                                                           esdV0Pos->GetLabel(),
 537                                                           p_pos,
 538                                                           kTRUE,
 539                                                           pos,
 540                                                           kFALSE,
 541                                                           covTr,
 542                                                           (Short_t)esdV0Pos->GetSign(),
 543                                                           esdV0Pos->GetITSClusterMap(),
 544                                                           pid,
 545                                                           vV0,
 546                                                           kTRUE,  // check if this is right
 547                                                           kFALSE, // check if this is right
 548                                                           AliAODTrack::kSecondary,
 549                                                           selectInfo);
 550             v0DaughterTracks->AddAt(aodTrack,posFromV0);
 551             //      if (fDebug > 0) printf("-------------------Bo: pos track from original pt %.3f \n",aodTrack->Pt());
 552             if (esdV0Pos->GetSign() > 0) nPosTracks++;
 553             aodTrack->ConvertAliPIDtoAODPID();
 554             aodTrack->SetFlags(esdV0Pos->GetStatus());
 555             SetAODPID(esdV0Pos,aodTrack,detpid,timezero);
 556         }
 557         else {
 558             aodTrack = dynamic_cast<AliAODTrack*>(v0DaughterTracks->At(posFromV0));
 559             //      if (fDebug > 0) printf("-------------------Bo pos track from refArray pt %.3f \n",aodTrack->Pt());
 560         }
 561         vV0->AddDaughter(aodTrack);
 562
 563         // Add the negative tracks from the V0
 564
 565         esdV0Neg->GetPxPyPz(p_neg);
 566         esdV0Neg->GetXYZ(pos);
 567         esdV0Neg->GetCovarianceXYZPxPyPz(covTr);
 568         esdV0Neg->GetESDpid(pid);
 569         esdV0Neg->GetImpactParameters(dcaNegToPrimVertexXYZ[0],dcaNegToPrimVertexXYZ[1]);
 570
 571         if (!usedTrack[negFromV0]) {
 572             usedTrack[negFromV0] = kTRUE;
 573             UInt_t selectInfo = 0;
 574             if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdV0Neg);
 575             aodTrack = new(tracks[jTracks++]) AliAODTrack(esdV0Neg->GetID(),
 576                                                           esdV0Neg->GetLabel(),
 577                                                           p_neg,
 578                                                           kTRUE,
 579                                                           pos,
 580                                                           kFALSE,
 581                                                           covTr,
 582                                                           (Short_t)esdV0Neg->GetSign(),
 583                                                           esdV0Neg->GetITSClusterMap(),
 584                                                           pid,
 585                                                           vV0,
 586                                                           kTRUE,  // check if this is right
 587                                                           kFALSE, // check if this is right
 588                                                           AliAODTrack::kSecondary,
 589                                                           selectInfo);
 590
 591             v0DaughterTracks->AddAt(aodTrack,negFromV0);
 592             //      if (fDebug > 0) printf("-------------------Bo: neg track from original pt %.3f \n",aodTrack->Pt());
 593             if (esdV0Neg->GetSign() > 0) nPosTracks++;
 594             aodTrack->ConvertAliPIDtoAODPID();
 595             aodTrack->SetFlags(esdV0Neg->GetStatus());
 596             SetAODPID(esdV0Neg,aodTrack,detpid,timezero);
 597         }
 598         else {
 599             aodTrack = dynamic_cast<AliAODTrack*>(v0DaughterTracks->At(negFromV0));
 600             //      if (fDebug > 0) printf("-------------------Bo neg track from refArray pt %.3f \n",aodTrack->Pt());
 601         }
 602         vV0->AddDaughter(aodTrack);
 603         dcaDaughterToPrimVertex[0] =
 604             TMath::Sqrt(dcaPosToPrimVertexXYZ[0]*dcaPosToPrimVertexXYZ[0]
 605                         +dcaPosToPrimVertexXYZ[1]*dcaPosToPrimVertexXYZ[1]);
 606         dcaDaughterToPrimVertex[1] =
 607             TMath::Sqrt(dcaNegToPrimVertexXYZ[0]*dcaNegToPrimVertexXYZ[0]
 608                         +dcaNegToPrimVertexXYZ[1]*dcaNegToPrimVertexXYZ[1]);
 609         // add it to the V0 array as well
 610         aodV0 = new(V0s[jV0s++])
 611             AliAODv0(vV0, dcaV0Daughters, dcaV0ToPrimVertex, p_pos_atv0, p_neg_atv0, dcaDaughterToPrimVertex); // to be refined
 612         // set the aod v0 on-the-fly status
 613         aodV0->SetOnFlyStatus(v0->GetOnFlyStatus());
 614     }
 615     V0s.Expand(jV0s);
 616     // end of the loop on V0s
 617
 618     // Kinks: it is a big mess the access to the information in the kinks
 619     // The loop is on the tracks in order to find the mother and daugther of each kink
 620
 621
 622     for (Int_t iTrack=0; iTrack<nTracks; ++iTrack) {
 623
 624         AliESDtrack * esdTrack = esd->GetTrack(iTrack);
 625
 626         Int_t ikink = esdTrack->GetKinkIndex(0);
 627
 628         if (ikink && nKinks) {
 629             // Negative kink index: mother, positive: daughter
 630
 631             // Search for the second track of the kink
 632
 633             for (Int_t jTrack = iTrack+1; jTrack<nTracks; ++jTrack) {
 634
 635                 AliESDtrack * esdTrack1 = esd->GetTrack(jTrack);
 636
 637                 Int_t jkink = esdTrack1->GetKinkIndex(0);
 638
 639                 if ( TMath::Abs(ikink)==TMath::Abs(jkink) ) {
 640
 641                     // The two tracks are from the same kink
 642
 643                     if (usedKink[TMath::Abs(ikink)-1]) continue; // skip used kinks
 644
 645                     Int_t imother = -1;
 646                     Int_t idaughter = -1;
 647
 648                     if (ikink<0 && jkink>0) {
 649
 650                         imother = iTrack;
 651                         idaughter = jTrack;
 652                     }
 653                     else if (ikink>0 && jkink<0) {
 654
 655                         imother = jTrack;
 656                         idaughter = iTrack;
 657                     }
 658                     else {
 659 //                      cerr << "Error: Wrong combination of kink indexes: "
 660 //                           << ikink << " " << jkink << endl;
 661                         continue;
 662                     }
 663
 664                     // Add the mother track if it passed primary track selection cuts
 665
 666                     AliAODTrack * mother = NULL;
 667
 668                     UInt_t selectInfo = 0;
 669                     if (fTrackFilter) {
 670                         selectInfo = fTrackFilter->IsSelected(esd->GetTrack(imother));
 671                         if (!selectInfo) continue;
 672                     }
 673
 674                     if (!usedTrack[imother]) {
 675
 676                         usedTrack[imother] = kTRUE;
 677
 678                         AliESDtrack *esdTrackM = esd->GetTrack(imother);
 679                         esdTrackM->GetPxPyPz(p);
 680                         esdTrackM->GetXYZ(pos);
 681                         esdTrackM->GetCovarianceXYZPxPyPz(covTr);
 682                         esdTrackM->GetESDpid(pid);
 683
 684                         mother =
 685                             new(tracks[jTracks++]) AliAODTrack(esdTrackM->GetID(),
 686                                                                esdTrackM->GetLabel(),
 687                                                                p,
 688                                                                kTRUE,
 689                                                                pos,
 690                                                                kFALSE,
 691                                                                covTr,
 692                                                                (Short_t)esdTrackM->GetSign(),
 693                                                                esdTrackM->GetITSClusterMap(),
 694                                                                pid,
 695                                                                primary,
 696                                                                kTRUE, // check if this is right
 697                                                                kTRUE, // check if this is right
 698                                                                AliAODTrack::kPrimary,
 699                                                                selectInfo);
 700                         if (esdTrackM->GetSign() > 0) nPosTracks++;
 701                         mother->SetFlags(esdTrackM->GetStatus());
 702                         mother->ConvertAliPIDtoAODPID();
 703                         primary->AddDaughter(mother);
 704                         mother->ConvertAliPIDtoAODPID();
 705                         SetAODPID(esdTrackM,mother,detpid,timezero);
 706                     }
 707                     else {
 708 //                      cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1
 709 //                           << " track " << imother << " has already been used!" << endl;
 710                   }
 711
 712                     // Add the kink vertex
 713                     AliESDkink * kink = esd->GetKink(TMath::Abs(ikink)-1);
 714
 715                     AliAODVertex * vkink =
 716                         new(vertices[jVertices++]) AliAODVertex(kink->GetPosition(),
 717                                                                 NULL,
 718                                                                 0.,
 719                                                                 mother,
 720                                                                 esdTrack->GetID(),  // This is the track ID of the mother's track!
 721                                                                 AliAODVertex::kKink);
 722                     // Add the daughter track
 723
 724                     AliAODTrack * daughter = NULL;
 725
 726                     if (!usedTrack[idaughter]) {
 727
 728                         usedTrack[idaughter] = kTRUE;
 729
 730                         AliESDtrack *esdTrackD = esd->GetTrack(idaughter);
 731                         esdTrackD->GetPxPyPz(p);
 732                         esdTrackD->GetXYZ(pos);
 733                         esdTrackD->GetCovarianceXYZPxPyPz(covTr);
 734                         esdTrackD->GetESDpid(pid);
 735                         selectInfo = 0;
 736                         if (fTrackFilter) selectInfo = fTrackFilter->IsSelected(esdTrackD);
 737                         daughter =
 738                             new(tracks[jTracks++]) AliAODTrack(esdTrackD->GetID(),
 739                                                                esdTrackD->GetLabel(),
 740                                                                p,
 741                                                                kTRUE,
 742                                                                pos,
 743                                                                kFALSE,
 744                                                                covTr,
 745                                                                (Short_t)esdTrackD->GetSign(),
 746                                                                esdTrackD->GetITSClusterMap(),
 747                                                                pid,
 748                                                                vkink,
 749                                                                kTRUE, // check if this is right
 750                                                                kTRUE, // check if this is right
 751                                                                AliAODTrack::kSecondary,
 752                                                                selectInfo);
 753
 754                         if (esdTrackD->GetSign() > 0) nPosTracks++;
 755                         daughter->SetFlags(esdTrackD->GetStatus());
 756                         daughter->ConvertAliPIDtoAODPID();
 757                         vkink->AddDaughter(daughter);
 758                         daughter->ConvertAliPIDtoAODPID();
 759                        SetAODPID(esdTrackD,daughter,detpid,timezero);
 760                     }
 761                     else {
 762 //                      cerr << "Error: event " << esd->GetEventNumberInFile() << " kink " << TMath::Abs(ikink)-1
 763 //                           << " track " << idaughter << " has already been used!" << endl;
 764                     }
 765                 }
 766             }
 767         }
 768     }
 769
 770
 771     // Tracks (primary and orphan)
 772
 773     if (fDebug > 0) printf("NUMBER OF ESD TRACKS %5d\n", nTracks);
 774
 775     for (Int_t nTrack = 0; nTrack < nTracks; ++nTrack) {
 776
 777
 778         if (usedTrack[nTrack]) continue;
 779
 780         AliESDtrack *esdTrack = esd->GetTrack(nTrack);
 781         UInt_t selectInfo = 0;
 782         //
 783         // Track selection
 784         if (fTrackFilter) {
 785             selectInfo = fTrackFilter->IsSelected(esdTrack);
 786             if (!selectInfo) continue;
 787         }
 788
 789         //
 790         esdTrack->GetPxPyPz(p);
 791         esdTrack->GetXYZ(pos);
 792         esdTrack->GetCovarianceXYZPxPyPz(covTr);
 793         esdTrack->GetESDpid(pid);
 794
 795
 796         primary->AddDaughter(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                                                                 primary,
 808                                                                 kTRUE, // check if this is right
 809                                                                 kTRUE, // check if this is right
 810                                                                 AliAODTrack::kPrimary,
 811                                                                 selectInfo)
 812             );
 813         if (esdTrack->GetSign() > 0) nPosTracks++;
 814         aodTrack->SetFlags(esdTrack->GetStatus());
 815         aodTrack->ConvertAliPIDtoAODPID();
 816         SetAODPID(esdTrack,aodTrack,detpid,timezero);
 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