JETAN/AliJetESDReader.cxx

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   3  *                                                                        *
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  15
  16 //-------------------------------------------------------------------------
  17 // Jet ESD Reader
  18 // ESD reader for jet analysis
  19 // Authors: Mercedes Lopez Noriega (mercedes.lopez.noriega@cern.ch)
  20 //          Magali Estienne <magali.estienne@subatech.in2p3.fr>
  21 //
  22 // **February 2011
  23 // implemented standard geometry (AliEMCALGeoUtils) instead of dummy one (AliJetDummyGeo)
  24 // moved geometry definition in AliJetReader
  25 // marco.bregant@subatech.in2p3.fr
  26 //-------------------------------------------------------------------------
  27
  28 // --- Standard library ---
  29 #include <Riostream.h>
  30
  31 // --- ROOT system ---
  32 #include <TSystem.h>
  33 #include <TString.h>
  34 #include <TStopwatch.h>
  35 #include <TLorentzVector.h>
  36 #include <TVector3.h>
  37 #include "TTask.h"
  38 #include "TTree.h"
  39 #include "TFile.h"
  40 #include <TGeoManager.h>
  41 #include <assert.h>
  42 #include <TRefArray.h>
  43 #include <TMath.h>
  44 #include <TProcessID.h>
  45 #include <TRandom3.h>
  46
  47 // --- AliRoot header files ---
  48 #include "AliJetESDReader.h"
  49 #include "AliJetESDReaderHeader.h"
  50 #include "AliESDEvent.h"
  51 #include "AliVEvent.h"
  52 #include "AliESD.h"
  53 #include "AliESDtrack.h"
  54 #include "AliEMCALGeoUtils.h"
  55 #include "AliEMCALEMCGeometry.h"
  56 #include "AliJetESDFillUnitArrayTracks.h"
  57 #include "AliJetESDFillUnitArrayEMCalDigits.h"
  58 #include "AliJetHadronCorrectionv1.h"
  59 #include "AliJetUnitArray.h"
  60 #include "AliAnalysisTask.h"
  61 #include "AliOADBContainer.h"
  62
  63 ClassImp(AliJetESDReader)
  64
  65 AliJetESDReader::AliJetESDReader():
  66   AliJetReader(),
  67   fHadCorr(0x0),
  68   fTpcGrid(0x0),
  69   fEmcalGrid(0x0),
  70   fGrid0(0),
  71   fGrid1(0),
  72   fGrid2(0),
  73   fGrid3(0),
  74   fGrid4(0),
  75   fApplyElectronCorrection(kFALSE),
  76   fApplyMIPCorrection(kTRUE),
  77   fApplyFractionHadronicCorrection(kFALSE),
  78   fFractionHadronicCorrection(0.3),
  79   fNumUnits(0),
  80   fDebug(0),
  81   fMass(0),
  82   fSign(0),
  83   fNIn(0),
  84   fOpt(0),
  85   fDZ(0),
  86   fNeta(0),
  87   fNphi(0),
  88   fRefArray(0x0),
  89   fProcId(kFALSE)
  90 {
  91   // Constructor
  92 }
  93
  94 //____________________________________________________________________________
  95 AliJetESDReader::~AliJetESDReader()
  96 {
  97   // Destructor
  98     delete fChain;
  99     delete fTree;
 100     delete fESD;
 101     delete fTpcGrid;
 102     delete fEmcalGrid;
 103     if(fDZ)
 104       {
 105         delete fGrid0;
 106         delete fGrid1;
 107         delete fGrid2;
 108         delete fGrid3;
 109         delete fGrid4;
 110       }
 111 }
 112
 113 //____________________________________________________________________________
 114 void AliJetESDReader::OpenInputFiles()
 115 {
 116   // chain for the ESDs
 117   fChain   = new TChain("esdTree");
 118
 119   // get directory and pattern name from the header
 120    const char* dirName=fReaderHeader->GetDirectory();
 121    const char* pattern=fReaderHeader->GetPattern();
 122
 123    // Add files matching patters to the chain
 124    void *dir  = gSystem->OpenDirectory(dirName);
 125    const char *name = 0x0;
 126    int nesd = ((AliJetESDReaderHeader*) fReaderHeader)->GetNesd();
 127    int a = 0;
 128    while ((name = gSystem->GetDirEntry(dir))){
 129        if (a>=nesd) continue;
 130
 131        if (strstr(name,pattern)){
 132          printf("Adding %s\n",name);
 133          fChain->AddFile(Form("%s/%s/AliESDs.root",dirName,name));
 134          a++;
 135        }
 136    }
 137
 138   gSystem->FreeDirectory(dir);
 139
 140   fESD = new AliESDEvent();
 141   fESD->ReadFromTree(fChain);
 142
 143   int nMax = fChain->GetEntries();
 144
 145   printf("\n AliJetESDReader: Total number of events in chain= %d \n",nMax);
 146
 147   // set number of events in header
 148   if (fReaderHeader->GetLastEvent() == -1)
 149     fReaderHeader->SetLastEvent(nMax);
 150   else {
 151     Int_t nUsr = fReaderHeader->GetLastEvent();
 152     fReaderHeader->SetLastEvent(TMath::Min(nMax,nUsr));
 153   }
 154
 155 }
 156
 157 //__________________________________________________________
 158 void AliJetESDReader::SetApplyMIPCorrection(Bool_t val)
 159 {
 160   //
 161   // Set flag to apply MIP correction fApplyMIPCorrection
 162   // - exclusive with fApplyFractionHadronicCorrection
 163   //
 164
 165   fApplyMIPCorrection = val;
 166   if(fApplyMIPCorrection == kTRUE)
 167     {
 168       SetApplyFractionHadronicCorrection(kFALSE);
 169       printf("Enabling MIP Correction \n");
 170     }
 171   else
 172     {
 173       printf("Disabling MIP Correction \n");
 174     }
 175 }
 176
 177 //__________________________________________________________
 178 void AliJetESDReader::SetApplyFractionHadronicCorrection(Bool_t val)
 179 {
 180   //
 181   // Set flag to apply EMC hadronic correction fApplyFractionHadronicCorrection
 182   // - exclusive with fApplyMIPCorrection
 183   //
 184
 185   fApplyFractionHadronicCorrection = val;
 186   if(fApplyFractionHadronicCorrection == kTRUE)
 187     {
 188       SetApplyMIPCorrection(kFALSE);
 189       printf("Enabling Fraction Hadronic Correction \n");
 190     }
 191   else
 192     {
 193       printf("Disabling Fraction Hadronic Correction \n");
 194     }
 195 }
 196
 197 //__________________________________________________________
 198 void AliJetESDReader::SetFractionHadronicCorrection(Double_t val)
 199 {
 200   //
 201   // Set value to fFractionHadronicCorrection (default is 0.3)
 202   // apply EMC hadronic correction fApplyFractionHadronicCorrection
 203   // - exclusive with fApplyMIPCorrection
 204   //
 205
 206   fFractionHadronicCorrection = val;
 207   if(fFractionHadronicCorrection > 0.0 && fFractionHadronicCorrection <= 1.0)
 208     {
 209       SetApplyFractionHadronicCorrection(kTRUE);
 210       printf("Fraction Hadronic Correction %1.3f \n",fFractionHadronicCorrection);
 211     }
 212   else
 213     {
 214       SetApplyFractionHadronicCorrection(kFALSE);
 215     }
 216 }
 217
 218
 219 //____________________________________________________________________________
 220 void AliJetESDReader::SetInputEvent(const TObject* esd, const TObject* /*aod*/, const TObject* /*mc*/) {
 221     // Connect the tree
 222      fESD   = (AliESDEvent*) esd;
 223 }
 224
 225 //____________________________________________________________________________
 226 Bool_t AliJetESDReader::FillMomentumArray()
 227 {
 228   // Fill momentum array
 229
 230   Int_t goodTrack = 0;
 231   Int_t nt = 0;
 232   Float_t pt, eta;
 233   TVector3 p3;
 234
 235   // clear momentum array
 236   ClearArray();
 237   fDebug = fReaderHeader->GetDebug();
 238   fOpt = fReaderHeader->GetDetector();
 239
 240   if (!fESD) {
 241       return kFALSE;
 242   }
 243
 244   // get number of tracks in event (for the loop)
 245   nt = fESD->GetNumberOfTracks();
 246   printf("Fill Momentum Array %5d  \n", nt);
 247
 248   // temporary storage of signal and pt cut flag
 249   Int_t* sflag  = new Int_t[nt];
 250   Int_t* cflag  = new Int_t[nt];
 251
 252   // get cuts set by user
 253   Float_t ptMin =  fReaderHeader->GetPtCut();
 254   Float_t etaMin = fReaderHeader->GetFiducialEtaMin();
 255   Float_t etaMax = fReaderHeader->GetFiducialEtaMax();
 256
 257   //loop over tracks in ESD
 258   for (Int_t it = 0; it < nt; it++) {
 259       AliESDtrack *track = fESD->GetTrack(it);
 260       UInt_t status = track->GetStatus();
 261
 262       Double_t mom[3];
 263       track->GetPxPyPz(mom);
 264       p3.SetXYZ(mom[0],mom[1],mom[2]);
 265       pt = p3.Pt();
 266       if ((status & AliESDtrack::kTPCrefit) == 0)    continue;      // quality check
 267       if ((status & AliESDtrack::kITSrefit) == 0)    continue;      // quality check
 268       if (((AliJetESDReaderHeader*) fReaderHeader)->ReadSignalOnly()
 269           && TMath::Abs(track->GetLabel()) > 10000)  continue;      // quality check
 270       if (((AliJetESDReaderHeader*) fReaderHeader)->ReadBkgdOnly()
 271           && TMath::Abs(track->GetLabel()) < 10000)  continue;      // quality check
 272       eta = p3.Eta();
 273       if ( (eta > etaMax) || (eta < etaMin))         continue;      // checking eta cut
 274
 275       new ((*fMomentumArray)[goodTrack]) TLorentzVector(p3,p3.Mag());
 276       sflag[goodTrack]=0;
 277       if (TMath::Abs(track->GetLabel()) < 10000) sflag[goodTrack]=1;
 278       cflag[goodTrack]=0;
 279       if (pt > ptMin) cflag[goodTrack]=1;                           // pt cut
 280       goodTrack++;
 281   }
 282
 283   // set the signal flags
 284   fSignalFlag.Set(goodTrack,sflag);
 285   fCutFlag.Set(goodTrack,cflag);
 286
 287   delete[] sflag;
 288   delete[] cflag;
 289
 290   return kTRUE;
 291
 292 }
 293
 294 //____________________________________________________________________________
 295 void AliJetESDReader::CreateTasks(TChain* tree)
 296 {
 297   //
 298   // For reader task initialization
 299   //
 300
 301   fDebug = fReaderHeader->GetDebug();
 302   fDZ = fReaderHeader->GetDZ();
 303   fTree = tree;
 304
 305   // Init EMCAL geometry, if needed
 306    if(fGeom == 0)
 307           SetEMCALGeometry();
 308         else Info(" SetEMCALGeometry","was already done.. it's called just once !!");
 309
 310   // Init parameters
 311   InitParameters();
 312   // Create and init unit array
 313   InitUnitArray();
 314
 315   // Create global reader task for analysis
 316   fFillUnitArray = new TTask("fFillUnitArray","Fill unit array jet finder");
 317   // Create a task for to fill the charged particle information
 318   fFillUAFromTracks = new AliJetESDFillUnitArrayTracks();
 319   fFillUAFromTracks->SetReaderHeader(fReaderHeader);
 320   fFillUAFromTracks->SetGeom(fGeom);
 321   fFillUAFromTracks->SetTPCGrid(fTpcGrid);
 322   fFillUAFromTracks->SetEMCalGrid(fEmcalGrid);
 323   if(fDZ)
 324     { // Calo dead zones inclusion
 325       fFillUAFromTracks->SetGrid0(fGrid0);
 326       fFillUAFromTracks->SetGrid1(fGrid1);
 327       fFillUAFromTracks->SetGrid2(fGrid2);
 328       fFillUAFromTracks->SetGrid3(fGrid3);
 329       fFillUAFromTracks->SetGrid4(fGrid4);
 330     }
 331   fFillUAFromTracks->SetApplyMIPCorrection(fApplyMIPCorrection);
 332   fFillUAFromTracks->SetHadCorrector(fHadCorr);
 333   // Create a task for to fill the neutral particle information
 334   fFillUAFromEMCalDigits = new AliJetESDFillUnitArrayEMCalDigits();
 335   fFillUAFromEMCalDigits->SetReaderHeader(fReaderHeader);
 336   fFillUAFromEMCalDigits->SetGeom(fGeom);
 337   fFillUAFromEMCalDigits->SetTPCGrid(fTpcGrid);
 338   fFillUAFromEMCalDigits->SetEMCalGrid(fEmcalGrid);
 339   fFillUAFromEMCalDigits->SetApplyFractionHadronicCorrection(fApplyFractionHadronicCorrection);
 340   fFillUAFromEMCalDigits->SetFractionHadronicCorrection(fFractionHadronicCorrection);
 341    fFillUAFromEMCalDigits->SetApplyElectronCorrection(fApplyElectronCorrection);
 342   // Add the task to global task
 343   fFillUnitArray->Add(fFillUAFromTracks);
 344   fFillUnitArray->Add(fFillUAFromEMCalDigits);
 345   fFillUAFromTracks->SetActive(kFALSE);
 346   fFillUAFromEMCalDigits->SetActive(kFALSE);
 347
 348   cout << "Tasks instantiated at that stage ! " << endl;
 349   cout << "You can loop over events now ! " << endl;
 350
 351 }
 352
 353 //____________________________________________________________________________
 354 Bool_t AliJetESDReader::ExecTasks(Bool_t procid, TRefArray* refArray)
 355 {
 356   //
 357   // Reader task execussion
 358   //
 359
 360   fProcId = procid;
 361   fRefArray = refArray;
 362
 363   // clear momentum array
 364   ClearArray();
 365
 366   fDebug = fReaderHeader->GetDebug();
 367   fOpt = fReaderHeader->GetDetector();
 368
 369   if(!fESD) {
 370     return kFALSE;
 371   }
 372
 373   // TPC only or Digits+TPC or Clusters+TPC
 374   if(fOpt%2==!0 && fOpt!=0){
 375     fFillUAFromTracks->SetESD(fESD);
 376     fFillUAFromTracks->SetActive(kTRUE);
 377     fFillUAFromTracks->SetUnitArray(fUnitArray);
 378     fFillUAFromTracks->SetRefArray(fRefArray);
 379     fFillUAFromTracks->SetProcId(fProcId);
 380     //    fFillUAFromTracks->ExecuteTask("tpc"); // Temporarily changed
 381     fFillUAFromTracks->Exec("tpc");              // Temporarily added
 382     if(fOpt==1){
 383       fNumCandidate = fFillUAFromTracks->GetMult();
 384       fNumCandidateCut = fFillUAFromTracks->GetMultCut();
 385     }
 386   }
 387
 388   // Digits only or Digits+TPC
 389   if(fOpt>=2 && fOpt<=3){
 390     fFillUAFromEMCalDigits->SetESD(fESD);
 391     fFillUAFromEMCalDigits->SetActive(kTRUE);
 392     fFillUAFromEMCalDigits->SetUnitArray(fUnitArray);
 393     fFillUAFromEMCalDigits->SetRefArray(fRefArray);
 394     fFillUAFromEMCalDigits->SetProcId(fFillUAFromTracks->GetProcId());
 395     fFillUAFromEMCalDigits->SetInitMult(fFillUAFromTracks->GetMult());
 396     fFillUAFromEMCalDigits->SetInitMultCut(fFillUAFromTracks->GetMultCut());
 397     fFillUAFromEMCalDigits->Exec("digits");      // Temporarily added
 398     fNumCandidate = fFillUAFromEMCalDigits->GetMult();
 399     fNumCandidateCut = fFillUAFromEMCalDigits->GetMultCut();
 400   }
 401
 402   //  fFillUnitArray->ExecuteTask();             // Temporarily commented
 403
 404   return kTRUE;
 405 }
 406
 407
 408 //____________________________________________________________________________
 409 void AliJetESDReader::InitParameters()
 410 {
 411   // Initialise parameters
 412   fOpt = fReaderHeader->GetDetector();
 413   //  fHadCorr        = 0;          // For hadron correction
 414   if(fEFlag==kFALSE){
 415     if(fOpt==0 || fOpt==1)
 416       fECorrection    = 0;        // For electron correction
 417     else fECorrection = 1;        // For electron correction
 418   }
 419   fNumUnits       = fGeom->GetEMCGeometry()->GetNCells();      // Number of cells in EMCAL
 420   if(fDebug>1) printf("\n EMCal parameters initiated ! \n");
 421 }
 422
 423 //____________________________________________________________________________
 424 void AliJetESDReader::InitUnitArray()
 425 {
 426   //
 427   // Create and Initialise unit arrays
 428   //
 429
 430   Int_t nElements = fTpcGrid->GetNEntries();
 431   Float_t eta = 0., phi = 0., Deta = 0., Dphi = 0.;
 432   if(fArrayInitialised) fUnitArray->Delete();
 433
 434   if(fTpcGrid->GetGridType()==0)
 435     { // Fill the following quantities :
 436       // Good track ID, (Eta,Phi) position ID, eta, phi, energy, px, py, pz, Deta, Dphi,
 437       // detector flag, in/out jet, pt cut, mass, cluster ID)
 438       for(Int_t nBin = 1; nBin < nElements+1; nBin++)
 439         {
 440           fTpcGrid->GetEtaPhiFromIndex2(nBin,phi,eta);
 441           phi = ((phi < 0) ? phi + 2. * TMath::Pi() : phi);
 442           Deta = fTpcGrid->GetDeta();
 443           Dphi = fTpcGrid->GetDphi();
 444           new ((*fUnitArray)[nBin-1]) AliJetUnitArray(nBin-1,0,eta,phi,0.,Deta,Dphi,kTpc,kOutJet,kPtSmaller,kPtSmaller,kBad,0.,-1);
 445         }
 446     }
 447
 448   if(fTpcGrid->GetGridType()==1)
 449     {
 450       Int_t nGaps = 0;
 451       Int_t n0 = 0, n1 = 0, n2 = 0, n3 = 0, n4 = 0;
 452
 453       if(fDZ)
 454         {
 455           // Define a grid of cell for the gaps between SM
 456           Double_t phimin0 = 0., phimin1 = 0., phimin2 = 0., phimin3 = 0., phimin4 = 0.;
 457           Double_t phimax0 = 0., phimax1 = 0., phimax2 = 0., phimax3 = 0., phimax4 = 0.;
 458           fGeom->GetEMCGeometry()->GetPhiBoundariesOfSMGap(0,phimin0,phimax0);
 459           fGrid0 = new AliJetGrid(0,95,phimin0,phimax0,-0.7,0.7); // 0.015 x 0.015
 460           fGrid0->SetGridType(0);
 461           fGrid0->SetMatrixIndexes();
 462           fGrid0->SetIndexIJ();
 463           n0 = fGrid0->GetNEntries();
 464           fGeom->GetEMCGeometry()->GetPhiBoundariesOfSMGap(1,phimin1,phimax1);
 465           fGrid1 = new AliJetGrid(0,95,phimin1,phimax1,-0.7,0.7); // 0.015 x 0.015
 466           fGrid1->SetGridType(0);
 467           fGrid1->SetMatrixIndexes();
 468           fGrid1->SetIndexIJ();
 469           n1 = fGrid1->GetNEntries();
 470           fGeom->GetEMCGeometry()->GetPhiBoundariesOfSMGap(2,phimin2,phimax2);
 471           fGrid2 = new AliJetGrid(0,95,phimin2,phimax2,-0.7,0.7); // 0.015 x 0.015
 472           fGrid2->SetGridType(0);
 473           fGrid2->SetMatrixIndexes();
 474           fGrid2->SetIndexIJ();
 475           n2 = fGrid2->GetNEntries();
 476           fGeom->GetEMCGeometry()->GetPhiBoundariesOfSMGap(3,phimin3,phimax3);
 477           fGrid3 = new AliJetGrid(0,95,phimin3,phimax3,-0.7,0.7); // 0.015 x 0.015
 478           fGrid3->SetGridType(0);
 479           fGrid3->SetMatrixIndexes();
 480           fGrid3->SetIndexIJ();
 481           n3 = fGrid3->GetNEntries();
 482           fGeom->GetEMCGeometry()->GetPhiBoundariesOfSMGap(4,phimin4,phimax4);
 483           fGrid4 = new AliJetGrid(0,95,phimin4,phimax4,-0.7,0.7); // 0.015 x 0.015
 484           fGrid4->SetGridType(0);
 485           fGrid4->SetMatrixIndexes();
 486           fGrid4->SetIndexIJ();
 487           n4 = fGrid4->GetNEntries();
 488
 489           nGaps = n0+n1+n2+n3+n4;
 490
 491         }
 492
 493       for(Int_t nBin = 0; nBin < fNumUnits+nElements+nGaps; nBin++)
 494         {
 495           if(nBin<fNumUnits)
 496             {
 497               fGeom->EtaPhiFromIndex(nBin, eta, phi); // From EMCal geometry
 498               // fEmcalGrid->GetEtaPhiFromIndex2(nBin,phi,eta); // My function from Grid
 499               phi = ((phi < 0) ? phi + 2. * TMath::Pi() : phi);
 500               Deta = fEmcalGrid->GetDeta(); // Modify with the exact detector values
 501               Dphi = fEmcalGrid->GetDphi(); // Modify with the exact detector values
 502               new ((*fUnitArray)[nBin]) AliJetUnitArray(nBin,0,eta,phi,0.,Deta,Dphi,kTpc,kOutJet,kPtSmaller,kPtSmaller,kBad,0.,-1);
 503             }
 504           else {
 505             if(nBin>=fNumUnits && nBin<fNumUnits+nElements){
 506               fTpcGrid->GetEtaPhiFromIndex2(nBin+1-fNumUnits,phi,eta);
 507               phi = ((phi < 0) ? phi + 2. * TMath::Pi() : phi);
 508               Deta = fTpcGrid->GetDeta();
 509               Dphi = fTpcGrid->GetDphi();
 510               new ((*fUnitArray)[nBin]) AliJetUnitArray(nBin,0,eta,phi,0.,Deta,Dphi,kTpc,kOutJet,kPtSmaller,kPtSmaller,kBad,0.,-1);
 511             }
 512             else {
 513               if(fDZ) {
 514                 if(nBin>=fNumUnits+nElements && nBin<fNumUnits+nElements+nGaps){
 515                   if(nBin<fNumUnits+nElements+n0)
 516                     {
 517                       Float_t phi0 = eta = 0.;
 518                       fGrid0->GetEtaPhiFromIndex2(nBin+1-(fNumUnits+nElements),phi0,eta);
 519                       Deta = fGrid0->GetDeta();
 520                       Dphi = fGrid0->GetDphi();
 521                       new ((*fUnitArray)[nBin]) AliJetUnitArray(nBin,0,eta,phi0,0.,Deta,Dphi,kTpc,kOutJet,kPtSmaller,kPtSmaller,kBad,0.,-1);
 522                     }
 523                   else if(nBin>=fNumUnits+nElements+n0 && nBin<fNumUnits+nElements+n0+n1)
 524                     {
 525                       Float_t phi0 = eta = 0.;
 526                       fGrid1->GetEtaPhiFromIndex2(nBin+1-(fNumUnits+nElements+n0),phi0,eta);
 527                       Deta = fGrid1->GetDeta();
 528                       Dphi = fGrid1->GetDphi();
 529                       new ((*fUnitArray)[nBin]) AliJetUnitArray(nBin,0,eta,phi0,0.,Deta,Dphi,kTpc,kOutJet,kPtSmaller,kPtSmaller,kBad,0.,-1);
 530                     }
 531                   else if(nBin>=fNumUnits+nElements+n0+n1 && nBin<fNumUnits+nElements+n0+n1+n2)
 532                     {
 533                       Float_t phi0 = eta = 0.;
 534                       fGrid2->GetEtaPhiFromIndex2(nBin+1-(fNumUnits+nElements+n0+n1),phi0,eta);
 535                       Deta = fGrid2->GetDeta();
 536                       Dphi = fGrid2->GetDphi();
 537                       new ((*fUnitArray)[nBin]) AliJetUnitArray(nBin,0,eta,phi0,0.,Deta,Dphi,kTpc,kOutJet,kPtSmaller,kPtSmaller,kBad,0.,-1);
 538                     }
 539                   else if(nBin>=fNumUnits+nElements+n0+n1+n2 && nBin<fNumUnits+nElements+n0+n1+n2+n3)
 540                     {
 541                       Float_t phi0 = eta = 0.;
 542                       fGrid3->GetEtaPhiFromIndex2(nBin+1-(fNumUnits+nElements+n0+n1+n2),phi0,eta);
 543                       Deta = fGrid3->GetDeta();
 544                       Dphi = fGrid3->GetDphi();
 545                       new ((*fUnitArray)[nBin]) AliJetUnitArray(nBin,0,eta,phi0,0.,Deta,Dphi,kTpc,kOutJet,kPtSmaller,kPtSmaller,kBad,0.,-1);
 546                     }
 547                   else if(nBin>=fNumUnits+nElements+n0+n1+n2+n3 && nBin<fNumUnits+nElements+nGaps)
 548                     {
 549                       Float_t phi0 = eta = 0.;
 550                       fGrid4->GetEtaPhiFromIndex2(nBin+1-(fNumUnits+nElements+n0+n1+n2+n3),phi0,eta);
 551                       Deta = fGrid4->GetDeta();
 552                       Dphi = fGrid4->GetDphi();
 553                       new ((*fUnitArray)[nBin]) AliJetUnitArray(nBin,0,eta,phi0,0.,Deta,Dphi,kTpc,kOutJet,kPtSmaller,kPtSmaller,kBad,0.,-1);
 554                     }
 555                 }
 556               } // end if(fDZ)
 557             } // end else 2
 558           } // end else 1
 559         } // end loop on nBin
 560     } // end grid type == 1
 561   fArrayInitialised = 1;
 562 }
 563
 564
 565