ANALYSIS/AliAnalysisTaskSE.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   7  * Permission to use, copy, modify and distribute this software and its   *
   8  * documentation strictly for non-commercial purposes is hereby granted   *
   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 /* $Id$ */
  17
  18 #include <TROOT.h>
  19 #include <TSystem.h>
  20 #include <TInterpreter.h>
  21 #include <TChain.h>
  22 #include <TFile.h>
  23 #include <TList.h>
  24
  25 #include "AliAnalysisTaskSE.h"
  26 #include "AliAnalysisManager.h"
  27 #include "AliAnalysisCuts.h"
  28 #include "AliAnalysisDataSlot.h"
  29 #include "AliAnalysisDataContainer.h"
  30
  31 #include "AliESDEvent.h"
  32 #include "AliESDfriend.h"
  33 #include "AliESD.h"
  34 #include "AliAODEvent.h"
  35 #include "AliAODHeader.h"
  36 #include "AliAODTracklets.h"
  37 #include "AliAODCaloCells.h"
  38 #include "AliAODCaloTrigger.h"
  39 #include "AliAODMCParticle.h"
  40 #include "AliVEvent.h"
  41 #include "AliAODHandler.h"
  42 #include "AliAODInputHandler.h"
  43 #include "AliMCEventHandler.h"
  44 #include "AliInputEventHandler.h"
  45 #include "AliMultiInputEventHandler.h"
  46 #include "AliESDInputHandler.h"
  47 #include "AliMCEvent.h"
  48 #include "AliStack.h"
  49 #include "AliLog.h"
  50 #include "AliAODDimuon.h"
  51
  52
  53 ClassImp(AliAnalysisTaskSE)
  54
  55 ////////////////////////////////////////////////////////////////////////
  56 AliAODHeader*    AliAnalysisTaskSE::fgAODHeader         = NULL;
  57 TClonesArray*    AliAnalysisTaskSE::fgAODTracks         = NULL;
  58 TClonesArray*    AliAnalysisTaskSE::fgAODVertices       = NULL;
  59 TClonesArray*    AliAnalysisTaskSE::fgAODV0s            = NULL;
  60 TClonesArray*    AliAnalysisTaskSE::fgAODPMDClusters    = NULL;
  61 TClonesArray*    AliAnalysisTaskSE::fgAODJets           = NULL;
  62 TClonesArray*    AliAnalysisTaskSE::fgAODFMDClusters    = NULL;
  63 TClonesArray*    AliAnalysisTaskSE::fgAODCaloClusters   = NULL;
  64 TClonesArray*    AliAnalysisTaskSE::fgAODMCParticles    = NULL;
  65 AliAODTracklets* AliAnalysisTaskSE::fgAODTracklets      = NULL;
  66 AliAODCaloCells* AliAnalysisTaskSE::fgAODEmcalCells     = NULL;
  67 AliAODCaloCells* AliAnalysisTaskSE::fgAODPhosCells      = NULL;
  68 AliAODCaloTrigger* AliAnalysisTaskSE::fgAODEMCALTrigger = NULL;
  69 AliAODCaloTrigger* AliAnalysisTaskSE::fgAODPHOSTrigger  = NULL;
  70 TClonesArray*    AliAnalysisTaskSE::fgAODDimuons        = NULL;
  71 TClonesArray*    AliAnalysisTaskSE::fgAODHmpidRings     = NULL;
  72
  73 AliAnalysisTaskSE::AliAnalysisTaskSE():
  74     AliAnalysisTask(),
  75     fDebug(0),
  76     fEntry(0),
  77     fInputEvent(0x0),
  78     fESDfriend(0x0),
  79     fInputHandler(0x0),
  80     fOutputAOD(0x0),
  81     fMCEvent(0x0),
  82     fTreeA(0x0),
  83     fCurrentRunNumber(-1),
  84     fHistosQA(0x0),
  85     fOfflineTriggerMask(0),
  86     fMultiInputHandler(0),
  87     fMCEventHandler(0)
  88 {
  89   // Default constructor
  90 }
  91
  92 AliAnalysisTaskSE::AliAnalysisTaskSE(const char* name):
  93     AliAnalysisTask(name, "AnalysisTaskSE"),
  94     fDebug(0),
  95     fEntry(0),
  96     fInputEvent(0x0),
  97     fESDfriend(0x0),
  98     fInputHandler(0x0),
  99     fOutputAOD(0x0),
 100     fMCEvent(0x0),
 101     fTreeA(0x0),
 102     fCurrentRunNumber(-1),
 103     fHistosQA(0x0),
 104     fOfflineTriggerMask(0),
 105     fMultiInputHandler(0),
 106     fMCEventHandler(0)
 107 {
 108   // Default constructor
 109     DefineInput (0, TChain::Class());
 110     DefineOutput(0,  TTree::Class());
 111 }
 112
 113 AliAnalysisTaskSE::AliAnalysisTaskSE(const AliAnalysisTaskSE& obj):
 114     AliAnalysisTask(obj),
 115     fDebug(0),
 116     fEntry(0),
 117     fInputEvent(0x0),
 118     fESDfriend(0x0),
 119     fInputHandler(0x0),
 120     fOutputAOD(0x0),
 121     fMCEvent(0x0),
 122     fTreeA(0x0),
 123     fCurrentRunNumber(-1),
 124     fHistosQA(0x0),
 125     fOfflineTriggerMask(0),
 126     fMultiInputHandler(obj.fMultiInputHandler),
 127     fMCEventHandler(obj.fMCEventHandler)
 128 {
 129 // Copy constructor
 130     fDebug            = obj.fDebug;
 131     fEntry            = obj.fEntry;
 132     fInputEvent       = obj.fInputEvent;
 133     fESDfriend        = obj.fESDfriend;
 134     fInputHandler     = obj.fInputHandler;
 135     fOutputAOD        = obj.fOutputAOD;
 136     fMCEvent          = obj.fMCEvent;
 137     fTreeA            = obj.fTreeA;
 138     fCurrentRunNumber = obj.fCurrentRunNumber;
 139     fHistosQA         = obj.fHistosQA;
 140
 141 }
 142
 143
 144 AliAnalysisTaskSE& AliAnalysisTaskSE::operator=(const AliAnalysisTaskSE& other)
 145 {
 146 // Assignment
 147   if(&other == this) return *this;
 148   AliAnalysisTask::operator=(other);
 149
 150     AliAnalysisTask::operator=(other);
 151     fDebug            = other.fDebug;
 152     fEntry            = other.fEntry;
 153     fInputEvent       = other.fInputEvent;
 154     fESDfriend        = other.fESDfriend;
 155     fInputHandler     = other.fInputHandler;
 156     fOutputAOD        = other.fOutputAOD;
 157     fMCEvent          = other.fMCEvent;
 158     fTreeA            = other.fTreeA;
 159     fCurrentRunNumber = other.fCurrentRunNumber;
 160     fHistosQA         = other.fHistosQA;
 161     fOfflineTriggerMask = other.fOfflineTriggerMask;
 162     fMultiInputHandler  = other.fMultiInputHandler;
 163     fMCEventHandler     = other.fMCEventHandler;
 164     return *this;
 165 }
 166
 167 //______________________________________________________________________________
 168 void AliAnalysisTaskSE::ConnectInputData(Option_t* /*option*/)
 169 {
 170 // Connect the input data
 171     if (fDebug > 1) printf("AnalysisTaskSE::ConnectInputData() \n");
 172
 173    // Connect input handlers (multi input handler is handled)
 174     ConnectMultiHandler();
 175
 176     if (fInputHandler) {
 177         if ((fInputHandler->GetTree())->GetBranch("ESDfriend."))
 178             fESDfriend = ((AliESDInputHandler*)fInputHandler)->GetESDfriend();
 179
 180         fInputEvent = fInputHandler->GetEvent();
 181     } else if( fMCEvent ) {
 182          AliWarning("No Input Event Handler connected, only MC Truth Event Handler") ;
 183     } else {
 184          AliError("No Input Event Handler connected") ;
 185          return ;
 186     }
 187     // Disconnect multi handler
 188     DisconnectMultiHandler();
 189 }
 190
 191 void AliAnalysisTaskSE::CreateOutputObjects()
 192 {
 193 // Create the output container
 194 //
 195 //  Default AOD
 196     if (fDebug > 1) printf("AnalysisTaskSE::CreateOutPutData() \n");
 197
 198     AliAODHandler* handler = dynamic_cast<AliAODHandler*>
 199          ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 200
 201     Bool_t merging = kFALSE;
 202     AliAODInputHandler* aodIH = static_cast<AliAODInputHandler*>((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
 203     if (aodIH) {
 204         if (aodIH->GetMergeEvents()) merging = kTRUE;
 205     }
 206
 207     // Check if AOD replication has been required
 208     if (handler) {
 209         fOutputAOD   = handler->GetAOD();
 210         fTreeA = handler->GetTree();
 211         if (fOutputAOD && !(handler->IsStandard())) {
 212             if ((handler->NeedsHeaderReplication() || merging) && !(fgAODHeader))
 213                 {
 214                  if (fDebug > 1) AliInfo("Replicating header");
 215                  fgAODHeader = new AliAODHeader;
 216                  handler->AddBranch("AliAODHeader", &fgAODHeader);
 217                 }
 218             if ((handler->NeedsTracksBranchReplication() || merging) && !(fgAODTracks))
 219             {
 220                 if (fDebug > 1) AliInfo("Replicating track branch\n");
 221                 fgAODTracks = new TClonesArray("AliAODTrack",500);
 222                 fgAODTracks->SetName("tracks");
 223                 handler->AddBranch("TClonesArray", &fgAODTracks);
 224             }
 225             if ((handler->NeedsVerticesBranchReplication() || merging) && !(fgAODVertices))
 226             {
 227                 if (fDebug > 1) AliInfo("Replicating vertices branch\n");
 228                 fgAODVertices = new TClonesArray("AliAODVertex",500);
 229                 fgAODVertices->SetName("vertices");
 230                 handler->AddBranch("TClonesArray", &fgAODVertices);
 231             }
 232             if ((handler->NeedsV0sBranchReplication()) && !(fgAODV0s))
 233             {
 234                 if (fDebug > 1) AliInfo("Replicating V0s branch\n");
 235                 fgAODV0s = new TClonesArray("AliAODv0",500);
 236                 fgAODV0s->SetName("v0s");
 237                 handler->AddBranch("TClonesArray", &fgAODV0s);
 238             }
 239             if ((handler->NeedsTrackletsBranchReplication()) && !(fgAODTracklets))
 240             {
 241                 if (fDebug > 1) AliInfo("Replicating Tracklets branch\n");
 242                 fgAODTracklets = new AliAODTracklets("tracklets","tracklets");
 243                 handler->AddBranch("AliAODTracklets", &fgAODTracklets);
 244             }
 245             if ((handler->NeedsPMDClustersBranchReplication()) && !(fgAODPMDClusters))
 246             {
 247                 if (fDebug > 1) AliInfo("Replicating PMDClusters branch\n");
 248                 fgAODPMDClusters = new TClonesArray("AliAODPmdCluster",500);
 249                 fgAODPMDClusters->SetName("pmdClusters");
 250                 handler->AddBranch("TClonesArray", &fgAODPMDClusters);
 251             }
 252             if ((handler->NeedsJetsBranchReplication() || merging) && !(fgAODJets))
 253             {
 254                 if (fDebug > 1) AliInfo("Replicating Jets branch\n");
 255                 fgAODJets = new TClonesArray("AliAODJet",500);
 256                 fgAODJets->SetName("jets");
 257                 handler->AddBranch("TClonesArray", &fgAODJets);
 258             }
 259             if ((handler->NeedsFMDClustersBranchReplication()) && !(fgAODFMDClusters))
 260             {
 261                 AliInfo("Replicating FMDClusters branch\n");
 262                 fgAODFMDClusters = new TClonesArray("AliAODFmdCluster",500);
 263                 fgAODFMDClusters->SetName("fmdClusters");
 264                 handler->AddBranch("TClonesArray", &fgAODFMDClusters);
 265             }
 266             if ((handler->NeedsCaloClustersBranchReplication() || merging) && !(fgAODCaloClusters))
 267             {
 268                 if (fDebug > 1) AliInfo("Replicating CaloClusters branch\n");
 269                 fgAODCaloClusters = new TClonesArray("AliAODCaloCluster",500);
 270                 fgAODCaloClusters->SetName("caloClusters");
 271                 handler->AddBranch("TClonesArray", &fgAODCaloClusters);
 272
 273                 fgAODEmcalCells = new AliAODCaloCells("emcalCells","emcalCells",AliVCaloCells::kEMCALCell);
 274                 handler->AddBranch("AliAODCaloCells", &fgAODEmcalCells);
 275
 276                 fgAODPhosCells = new AliAODCaloCells("phosCells","phosCells",AliVCaloCells::kPHOSCell);
 277                 handler->AddBranch("AliAODCaloCells", &fgAODPhosCells);
 278                 }
 279             if ((handler->NeedsCaloTriggerBranchReplication() || merging) && !(fgAODEMCALTrigger))
 280             {
 281                 if (fDebug > 1) AliInfo("Replicating EMCAL Calo Trigger branches\n");
 282                 fgAODEMCALTrigger = new AliAODCaloTrigger("emcalTrigger","emcalTrigger");
 283                 handler->AddBranch("AliAODCaloTrigger", &fgAODEMCALTrigger);
 284                 }
 285                 if ((handler->NeedsCaloTriggerBranchReplication() || merging) && !(fgAODPHOSTrigger))
 286                 {
 287                 if (fDebug > 1) AliInfo("Replicating PHOS Calo Trigger branches\n");
 288                 fgAODPHOSTrigger = new AliAODCaloTrigger("phosTrigger","phosTrigger");
 289                 handler->AddBranch("AliAODCaloTrigger", &fgAODPHOSTrigger);
 290             }
 291             if ((handler->NeedsMCParticlesBranchReplication() || merging) && !(fgAODMCParticles))
 292             {
 293                 if (fDebug > 1) AliInfo("Replicating MCParticles branch\n");
 294                 fgAODMCParticles = new TClonesArray("AliAODMCParticle",500);
 295                 fgAODMCParticles->SetName("mcparticles");
 296                 handler->AddBranch("TClonesArray", &fgAODMCParticles);
 297             }
 298             if ((handler->NeedsDimuonsBranchReplication() || merging) && !(fgAODDimuons))
 299             {
 300                 if (fDebug > 1) AliInfo("Replicating dimuon branch\n");
 301                 fgAODDimuons = new TClonesArray("AliAODDimuon",0);
 302                 fgAODDimuons->SetName("dimuons");
 303                 handler->AddBranch("TClonesArray", &fgAODDimuons);
 304             }
 305             if ((handler->NeedsHMPIDBranchReplication() || merging) && !(fgAODHmpidRings))
 306             {
 307                 if (fDebug > 1) AliInfo("Replicating HMPID branch\n");
 308                 fgAODHmpidRings = new TClonesArray("AliAODHMPIDrings",0);
 309                 fgAODHmpidRings->SetName("hmpidRings");
 310                 handler->AddBranch("TClonesArray", &fgAODHmpidRings);
 311             }
 312
 313
 314             // cache the pointerd in the AODEvent
 315             fOutputAOD->GetStdContent();
 316         }
 317     }
 318     ConnectMultiHandler();
 319     UserCreateOutputObjects();
 320     DisconnectMultiHandler();
 321 }
 322
 323 void AliAnalysisTaskSE::Exec(Option_t* option)
 324 {
 325 //
 326 // Exec analysis of one event
 327
 328     ConnectMultiHandler();
 329
 330     if ( fDebug >= 10)
 331       printf("Task is active %5d\n", IsActive());
 332
 333     if (fDebug > 1) AliInfo("AliAnalysisTaskSE::Exec() \n");
 334 //
 335     AliAODHandler* handler = dynamic_cast<AliAODHandler*>
 336       ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 337
 338     AliAODInputHandler* aodH = dynamic_cast<AliAODInputHandler*>(fInputHandler);
 339 //
 340 // Was event selected ? If no event selection mechanism, the event SHOULD be selected (AG)
 341     UInt_t isSelected = AliVEvent::kAny;
 342     if( fInputHandler && (fInputHandler->GetEventSelection() || aodH)) {
 343       // Get the actual offline trigger mask for the event and AND it with the
 344       // requested mask. If no mask requested select by default the event.
 345       if (fOfflineTriggerMask)
 346         isSelected = fOfflineTriggerMask & fInputHandler->IsEventSelected();
 347     }
 348 //  Functionality below moved in the filter tasks (AG)
 349 //    if (handler) handler->SetFillAOD(isSelected);
 350
 351     if( fInputHandler ) {
 352       fEntry = fInputHandler->GetReadEntry();
 353       fESDfriend = ((AliESDInputHandler*)fInputHandler)->GetESDfriend();
 354     }
 355
 356
 357     // Notify the change of run number
 358     if (InputEvent() && (InputEvent()->GetRunNumber() != fCurrentRunNumber)) {
 359         fCurrentRunNumber = InputEvent()->GetRunNumber();
 360         NotifyRun();
 361     } else if( fMCEvent )
 362       fEntry = fMCEvent->Header()->GetEvent();
 363
 364     if ( !((Entry()-1)%100) && fDebug > 0)
 365       AliInfo(Form("%s ----> Processing event # %lld", CurrentFileName(), Entry()));
 366
 367     if (aodH) fMCEvent = aodH->MCEvent();
 368
 369     if (handler && aodH) {
 370         Bool_t merging = aodH->GetMergeEvents();
 371         // Do not analyze merged events if last embedded file has less events than normal event,
 372         // skip analysis after last embeded event
 373         if(merging){
 374           if(aodH->GetReadEntry() + aodH->GetMergeOffset() >= aodH->GetTreeToMerge()->GetEntriesFast()){
 375             // Do I need to add the lines before the return?
 376             // Added protection in case the derived task is not an AOD producer.
 377             AliAnalysisDataSlot *out0 = GetOutputSlot(0);
 378             if (out0 && out0->IsConnected()) PostData(0, fTreeA);
 379             DisconnectMultiHandler();
 380             return;
 381           }
 382         }
 383
 384         AliAODEvent* aod = dynamic_cast<AliAODEvent*>(InputEvent());
 385
 386         if (aod && !(handler->IsStandard()) && !(handler->AODIsReplicated())) {
 387             if ((handler->NeedsHeaderReplication() || merging) && (fgAODHeader))
 388             {
 389               // copy the contents by assigment
 390               *fgAODHeader =  *(aod->GetHeader());
 391             }
 392             if ((handler->NeedsTracksBranchReplication() || (merging &&  aodH->GetMergeTracks())) && (fgAODTracks))
 393             {
 394                 TClonesArray* tracks = aod->GetTracks();
 395                 new (fgAODTracks) TClonesArray(*tracks);
 396             }
 397             if ((handler->NeedsVerticesBranchReplication() || merging) && (fgAODVertices))
 398             {
 399                 TClonesArray* vertices = aod->GetVertices();
 400                 new (fgAODVertices) TClonesArray(*vertices);
 401             }
 402             if ((handler->NeedsV0sBranchReplication()) && (fgAODV0s))
 403             {
 404                 TClonesArray* v0s = aod->GetV0s();
 405                 new (fgAODV0s) TClonesArray(*v0s);
 406             }
 407             if ((handler->NeedsTrackletsBranchReplication()) && (fgAODTracklets))
 408             {
 409               *fgAODTracklets = *aod->GetTracklets();
 410             }
 411             if ((handler->NeedsPMDClustersBranchReplication()) && (fgAODPMDClusters))
 412             {
 413                 TClonesArray* pmdClusters = aod->GetPmdClusters();
 414                 new (fgAODPMDClusters) TClonesArray(*pmdClusters);
 415             }
 416             if ((handler->NeedsJetsBranchReplication() || (merging &&aodH->GetMergeTracks())) && (fgAODJets))
 417             {
 418                 TClonesArray* jets = aod->GetJets();
 419                 new (fgAODJets) TClonesArray(*jets);
 420             }
 421             if ((handler->NeedsFMDClustersBranchReplication()) && (fgAODFMDClusters))
 422             {
 423                 TClonesArray* fmdClusters = aod->GetFmdClusters();
 424                 new (fgAODFMDClusters) TClonesArray(*fmdClusters);
 425             }
 426             if ((handler->NeedsCaloClustersBranchReplication() ||
 427                  (merging && (aodH->GetMergeEMCALClusters() || aodH->GetMergePHOSClusters())))
 428                 && (fgAODCaloClusters))
 429             {
 430                 TClonesArray* caloClusters = aod->GetCaloClusters();
 431                 new (fgAODCaloClusters) TClonesArray(*caloClusters);
 432             }
 433
 434             if ((handler->NeedsMCParticlesBranchReplication() || merging) && (fgAODMCParticles))
 435             {
 436                 TClonesArray* mcParticles = (TClonesArray*) (aod->FindListObject("mcparticles"));
 437                 if( mcParticles )
 438                   new (fgAODMCParticles) TClonesArray(*mcParticles);
 439             }
 440
 441             if ((handler->NeedsDimuonsBranchReplication() || (merging && aodH->GetMergeTracks())) && (fgAODDimuons))
 442             {
 443                 fgAODDimuons->Clear();
 444                 TClonesArray& dimuons = *fgAODDimuons;
 445                 TClonesArray& tracksnew = *fgAODTracks;
 446
 447                 Int_t nMuonTrack[100];
 448                 for(Int_t imuon = 0; imuon < 100; imuon++) nMuonTrack[imuon] = 0;
 449                 Int_t nMuons=0;
 450                 for(Int_t ii=0; ii < fgAODTracks->GetEntries(); ii++){
 451                     AliAODTrack *track = (AliAODTrack*) fgAODTracks->At(ii);
 452                     if(track->IsMuonTrack()) {
 453                         nMuonTrack[nMuons]= ii;
 454                         nMuons++;
 455                     }
 456                 }
 457                 Int_t jDimuons=0;
 458                 if(nMuons >= 2){
 459                     for(Int_t i = 0; i < nMuons; i++){
 460                         Int_t index0 = nMuonTrack[i];
 461                         for(Int_t j = i+1; j < nMuons; j++){
 462                             Int_t index1 = nMuonTrack[j];
 463                             tracksnew.At(index0)->ResetBit(kIsReferenced);
 464                             tracksnew.At(index0)->SetUniqueID(0);
 465                             tracksnew.At(index1)->ResetBit(kIsReferenced);
 466                             tracksnew.At(index1)->SetUniqueID(0);
 467                             new(dimuons[jDimuons++]) AliAODDimuon(tracksnew.At(index0),tracksnew.At(index1));
 468                         }
 469                     }
 470                 }
 471             }
 472             if ((handler->NeedsHMPIDBranchReplication()) && (fgAODHmpidRings))
 473             {
 474                 TClonesArray* hmpidRings = aod->GetHMPIDrings();
 475                 new (fgAODHmpidRings) TClonesArray(*hmpidRings);
 476             }
 477
 478
 479
 480             // Additional merging if needed
 481             if (merging) {
 482               Int_t nc;
 483
 484                 // mcParticles
 485                 TClonesArray* mcparticles = (TClonesArray*) ((aodH->GetEventToMerge())->FindListObject("mcparticles"));
 486                 if( mcparticles ){
 487                   Int_t npart = mcparticles->GetEntries();
 488                   nc = fgAODMCParticles->GetEntries();
 489
 490                   for (Int_t i = 0; i < npart; i++) {
 491                     AliAODMCParticle* particle = (AliAODMCParticle*) mcparticles->At(i);
 492                     new((*fgAODMCParticles)[nc++]) AliAODMCParticle(*particle);
 493                   }
 494                 }
 495
 496                 // tracks
 497                 TClonesArray* tracks = aodH->GetEventToMerge()->GetTracks();
 498                 if(tracks && aodH->GetMergeTracks()){
 499                   Int_t ntr = tracks->GetEntries();
 500                   nc  = fgAODTracks->GetEntries();
 501                   for (Int_t i = 0; i < ntr; i++) {
 502                     AliAODTrack*    track = (AliAODTrack*) tracks->At(i);
 503                     AliAODTrack* newtrack = new((*fgAODTracks)[nc++]) AliAODTrack(*track);
 504                     newtrack->SetLabel(newtrack->GetLabel() + fgAODMCParticles->GetEntries());
 505                   }
 506
 507                   for (Int_t i = 0; i < nc; i++)
 508                     {
 509                       AliAODTrack* track = (AliAODTrack*) fgAODTracks->At(i);
 510                       track->ResetBit(kIsReferenced);
 511                       track->SetUniqueID(0);
 512                     }
 513                 }
 514
 515                 // clusters
 516                 TClonesArray* clusters = aodH->GetEventToMerge()->GetCaloClusters();
 517                 if( clusters  && (aodH->GetMergeEMCALClusters() || aodH->GetMergePHOSClusters())) {
 518                   Int_t ncl  = clusters->GetEntries();
 519                   nc         =  fgAODCaloClusters->GetEntries();
 520                   for (Int_t i = 0; i < ncl; i++) {
 521                     AliAODCaloCluster*    cluster = (AliAODCaloCluster*) clusters->At(i);
 522                     if(cluster->IsEMCAL() && !aodH->GetMergeEMCALClusters() ) continue;
 523                     if(cluster->IsPHOS()  && !aodH->GetMergePHOSClusters()  ) continue;
 524                     new((*fgAODCaloClusters)[nc++]) AliAODCaloCluster(*cluster);
 525                   }
 526                 }
 527
 528                 // EMCAL cells
 529                 //*fgAODEmcalCells =  *(aod->GetEMCALCells()); // This will be valid after 10.Mar.2011.
 530                 if(aodH->GetMergeEMCALCells())
 531                   {
 532                     AliAODCaloCells* copycells = aod->GetEMCALCells();
 533                     fgAODEmcalCells->CreateContainer(copycells->GetNumberOfCells());
 534                     nc  = copycells->GetNumberOfCells();
 535
 536                     while( nc-- ){ fgAODEmcalCells->SetCell(nc,copycells->GetCellNumber(nc),copycells->GetAmplitude(nc),
 537                                                             copycells->GetTime(nc),copycells->GetMCLabel(nc),copycells->GetEFraction(nc)); }
 538
 539                     AliAODCaloCells* cellsA = aodH->GetEventToMerge()->GetEMCALCells();
 540                     if( cellsA )
 541                       {
 542                         Int_t ncells  = cellsA->GetNumberOfCells();
 543                         nc = fgAODEmcalCells->GetNumberOfCells();
 544
 545                         for (Int_t i  = 0; i < ncells; i++)
 546                           {
 547                             Int_t cn  = cellsA->GetCellNumber(i);
 548                             Int_t pos = fgAODEmcalCells->GetCellPosition(cn);
 549
 550                             if (pos >= 0)
 551                               {
 552                                 Double_t amp = cellsA->GetAmplitude(i) + fgAODEmcalCells->GetAmplitude(pos);
 553
 554                                 //Check if it is MC, depending on that assing the mc lable, time and e fraction
 555                                 Double_t time    = 0;
 556                                 Int_t    mclabel =-1;
 557                                 Double_t efrac   = 0;
 558                                 if(cellsA->GetMCLabel(i) >= 0 && fgAODEmcalCells->GetMCLabel(i) < 0)
 559                                   {
 560                                     mclabel = cellsA->GetMCLabel(i) ;
 561                                     time    = fgAODEmcalCells->GetTime(i) ; // Time from data
 562                                     if(amp > 0) efrac = cellsA->GetAmplitude(i) / amp;
 563                                   }
 564                                 else if(fgAODEmcalCells->GetMCLabel(i) >= 0 &&  cellsA->GetMCLabel(i) < 0)
 565                                   {
 566                                     mclabel = fgAODEmcalCells->GetMCLabel(i) ;
 567                                     time    = cellsA->GetTime(i) ; // Time from data
 568                                     if(amp > 0) efrac = fgAODEmcalCells->GetAmplitude(i) / amp;
 569                                   }
 570                                 else
 571                                   { // take all from input
 572                                     mclabel = cellsA->GetMCLabel(i) ;
 573                                     time    = cellsA->GetTime(i) ;
 574                                     if(amp > 0) efrac = cellsA->GetAmplitude(i) / amp;
 575                                   }
 576
 577                                 fgAODEmcalCells->SetCell(pos, cn, amp,cellsA->GetTime(i),mclabel,efrac);
 578
 579                               } else
 580                               {
 581                                 AliAODCaloCells* copycells1 = new AliAODCaloCells(*fgAODEmcalCells);
 582                                 fgAODEmcalCells->CreateContainer(nc+1);
 583                                 Int_t nn = copycells1->GetNumberOfCells();
 584
 585                                 while( nn-- ){ fgAODEmcalCells->SetCell(nn,copycells1->GetCellNumber(nn),copycells1->GetAmplitude(nn),
 586                                                                         copycells1->GetTime(nn),copycells1->GetMCLabel(nn),0.); }
 587
 588                                 fgAODEmcalCells->SetCell(nc++,cn,cellsA->GetAmplitude(i),cellsA->GetTime(i), cellsA->GetMCLabel(i),0.);
 589
 590                                 delete copycells1;
 591                               }
 592                           }
 593                         fgAODEmcalCells->Sort();
 594                       }
 595                   } // merge emcal cells
 596
 597
 598                 // PHOS cells
 599                 //*fgAODPhosCells =  *(aod->GetPHOSCells()); // This will be valid after 10.Mar.2011.
 600                 if(aodH->GetMergePHOSCells())
 601                   {
 602                     AliAODCaloCells* copycells = aod->GetPHOSCells();
 603                     fgAODPhosCells->CreateContainer(copycells->GetNumberOfCells());
 604                     nc  = copycells->GetNumberOfCells();
 605
 606                     while( nc-- ){ fgAODPhosCells->SetCell(nc,copycells->GetCellNumber(nc),copycells->GetAmplitude(nc),
 607                                                            copycells->GetTime(nc),copycells->GetMCLabel(nc),copycells->GetEFraction(nc)); }
 608
 609                     AliAODCaloCells* cellsP = aodH->GetEventToMerge()->GetPHOSCells();
 610                     if( cellsP )
 611                       {
 612                         Int_t ncellsP  = cellsP->GetNumberOfCells();
 613                         nc = fgAODPhosCells->GetNumberOfCells();
 614
 615                         for (Int_t i  = 0; i < ncellsP; i++)
 616                           {
 617                             Int_t cn  = cellsP->GetCellNumber(i);
 618                             Int_t pos = fgAODPhosCells->GetCellPosition(cn);
 619
 620                             if (pos >= 0)
 621                               {
 622                                 Double_t amp = cellsP->GetAmplitude(i) + fgAODPhosCells->GetAmplitude(pos);
 623
 624                                 //Check if it is MC, depending on that assing the mc lable, time and e fraction
 625                                 Double_t time    = 0;
 626                                 Int_t    mclabel =-1;
 627                                 Double_t    efrac   = 0;
 628                                 if(cellsP->GetMCLabel(i) >= 0 && fgAODPhosCells->GetMCLabel(i) < 0)
 629                                   {
 630                                     mclabel = cellsP->GetMCLabel(i) ;
 631                                     time    = fgAODPhosCells->GetTime(i) ; // Time from data
 632                                     if(amp > 0) efrac = cellsP->GetAmplitude(i) / amp;
 633                                   }
 634                                 else if(fgAODPhosCells->GetMCLabel(i) >= 0 &&  cellsP->GetMCLabel(i) < 0)
 635                                   {
 636                                     mclabel = fgAODPhosCells->GetMCLabel(i) ;
 637                                     time    = cellsP->GetTime(i) ; // Time from data
 638                                     if(amp > 0) efrac = fgAODPhosCells->GetAmplitude(i) / amp;
 639                                   }
 640                                 else
 641                                   { // take all from input
 642                                     mclabel = cellsP->GetMCLabel(i) ;
 643                                     time    = cellsP->GetTime(i) ;
 644                                     if(amp > 0) efrac = cellsP->GetAmplitude(i) / amp;
 645                                   }
 646
 647                                 fgAODPhosCells->SetCell(pos, cn, amp,cellsP->GetTime(i),mclabel,efrac);
 648
 649                               } else
 650                               {
 651                                 AliAODCaloCells* copycells1 = new AliAODCaloCells(*fgAODPhosCells);
 652                                 fgAODPhosCells->CreateContainer(nc+1);
 653                                 Int_t nn = copycells1->GetNumberOfCells();
 654
 655                                 while( nn-- ){ fgAODPhosCells->SetCell(nn,copycells1->GetCellNumber(nn),copycells1->GetAmplitude(nn),
 656                                                                        copycells1->GetTime(nn),copycells1->GetMCLabel(nn),0.); }
 657
 658                                 fgAODPhosCells->SetCell(nc++,cn,cellsP->GetAmplitude(i),cellsP->GetTime(i), cellsP->GetMCLabel(i),0.);
 659
 660                                 delete copycells1;
 661                               }
 662                           }
 663                         fgAODPhosCells->Sort();
 664                       }
 665                   } // Merge PHOS Cells
 666
 667                 if (aodH->GetMergeEMCALTrigger() && aod->GetCaloTrigger("EMCAL"))
 668                 {
 669                         Int_t   tsEMCAL[48][64], px, py, ts;
 670                         Float_t foEMCAL[48][64], am;
 671
 672                         for (Int_t i = 0; i < 48; i++) for (Int_t j = 0; j < 64; j++)
 673                         {
 674                                 tsEMCAL[i][j] = 0;
 675                                 foEMCAL[i][j] = 0.;
 676                         }
 677
 678       AliAODCaloTrigger& trg0 = *(aod->GetCaloTrigger("EMCAL"));
 679       trg0.Reset();
 680       while (trg0.Next())
 681       {
 682         trg0.GetPosition(px, py);
 683
 684         if (px > -1 && py > -1)
 685         {
 686           trg0.GetL1TimeSum(ts);
 687           if (ts > -1) tsEMCAL[px][py] += ts;
 688
 689           trg0.GetAmplitude(am);
 690           if (am > -1) foEMCAL[px][py] += am;
 691         }
 692       }
 693
 694       AliAODCaloTrigger& trg1 = *((aodH->GetEventToMerge())->GetCaloTrigger("EMCAL"));
 695
 696       trg1.Reset();
 697       while (trg1.Next())
 698       {
 699         trg1.GetPosition(px, py);
 700
 701         if (px > -1 && py > -1)
 702         {
 703           trg1.GetL1TimeSum(ts);
 704           if (ts > -1) tsEMCAL[px][py] += ts;
 705
 706           trg1.GetAmplitude(am);
 707           if (am > -1) foEMCAL[px][py] += am;
 708         }
 709       }
 710
 711       int nEntries = 0;
 712       for (Int_t i = 0; i < 48; i++)
 713         for (Int_t j = 0; j < 64; j++)
 714           if (tsEMCAL[i][j] || foEMCAL[i][j]) nEntries++;
 715
 716       fgAODEMCALTrigger->Allocate(nEntries);
 717       Int_t timesL0[10]; for (int i = 0; i < 10; i++) timesL0[i] = -1;
 718
 719       for (Int_t i = 0; i < 48; i++)
 720         for (Int_t j = 0; j < 64; j++)
 721           if (tsEMCAL[i][j] || foEMCAL[i][j])
 722             fgAODEMCALTrigger->Add(i, j, foEMCAL[i][j], -1., timesL0, 0, tsEMCAL[i][j], 0);
 723     }
 724
 725                 if (aodH->GetMergePHOSTrigger())
 726                 {
 727                         // To be implemented by PHOS
 728                 }
 729             } // merging
 730
 731             handler->SetAODIsReplicated();
 732         }
 733     }
 734
 735
 736 // Call the user analysis
 737     if (!fMCEventHandler) {
 738         if (isSelected)
 739             UserExec(option);
 740     } else {
 741         if (isSelected && (fMCEventHandler->InitOk()))
 742             UserExec(option);
 743     }
 744
 745 // Added protection in case the derived task is not an AOD producer.
 746     AliAnalysisDataSlot *out0 = GetOutputSlot(0);
 747     if (out0 && out0->IsConnected()) PostData(0, fTreeA);
 748
 749     DisconnectMultiHandler();
 750 }
 751
 752 const char* AliAnalysisTaskSE::CurrentFileName()
 753 {
 754 // Returns the current file name
 755     if( fInputHandler )
 756       return fInputHandler->GetTree()->GetCurrentFile()->GetName();
 757     else if( fMCEvent )
 758       return ((AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()))->TreeK()->GetCurrentFile()->GetName();
 759     else return "";
 760 }
 761
 762 void AliAnalysisTaskSE::AddAODBranch(const char* cname, void* addobj, const char *fname)
 763 {
 764     // Add a new branch to the aod tree
 765     AliAODHandler* handler = dynamic_cast<AliAODHandler*>
 766         ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 767     if (handler) {
 768         handler->AddBranch(cname, addobj, fname);
 769     }
 770 }
 771
 772 Bool_t AliAnalysisTaskSE::IsStandardAOD() const
 773 {
 774 // Check if the output AOD handler is configured for standard or delta AOD.
 775 // Users should first check that AODEvent() returns non-null.
 776     AliAODHandler* handler = dynamic_cast<AliAODHandler*>
 777          ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 778     if (!handler) {
 779        Error("IsStandardAOD", "No AOD handler. Please use AODEvent() to check this first");
 780        return kTRUE;
 781     }
 782     return handler->IsStandard();
 783 }
 784
 785 Bool_t AliAnalysisTaskSE::Notify()
 786 {
 787     return (UserNotify());
 788 }
 789
 790 const AliEventTag *AliAnalysisTaskSE::EventTag() const
 791 {
 792 // Returns tag for the current event, if any. The return value should always be checked by the user.
 793    if (!fInputHandler) {
 794       Error("EventTag", "Input handler not yet available. Call this in UserExec");
 795       return NULL;
 796    }
 797    return fInputHandler->GetEventTag();
 798 }
 799
 800 void AliAnalysisTaskSE::LoadBranches() const
 801 {
 802 // Load all branches declared in fBranchNames data member of the parent class.
 803 // Should be called in UserExec.
 804   if (!fInputHandler) {
 805      Error("LoadBranches", "Input handler not available yet. Call this in UserExec");
 806      return;
 807   }
 808   AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
 809   if (mgr->GetAutoBranchLoading()) return;
 810   TString taskbranches;
 811   GetBranches(fInputHandler->GetDataType(), taskbranches);
 812   if (taskbranches.IsNull()) return;
 813   TObjArray *arr = taskbranches.Tokenize(",");
 814   TIter next(arr);
 815   TObject *obj;
 816   while ((obj=next())) mgr->LoadBranch(obj->GetName());
 817 }
 818
 819
 820 //_________________________________________________________________________________________________
 821 void AliAnalysisTaskSE::ConnectMultiHandler()
 822 {
 823    //
 824    // Connect MultiHandler
 825    //
 826    fInputHandler = (AliInputEventHandler *)((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
 827    fMultiInputHandler = dynamic_cast<AliMultiInputEventHandler *>(fInputHandler);
 828    if (fMultiInputHandler) {
 829       fInputHandler = dynamic_cast<AliInputEventHandler *>(fMultiInputHandler->GetFirstInputEventHandler());
 830       fMCEventHandler = dynamic_cast<AliMCEventHandler *>(fMultiInputHandler->GetFirstMCEventHandler());
 831    } else {
 832       fMCEventHandler = dynamic_cast<AliMCEventHandler *>((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
 833    }
 834    if (fMCEventHandler) fMCEvent = fMCEventHandler->MCEvent();
 835 }
 836
 837 //_________________________________________________________________________________________________
 838 void AliAnalysisTaskSE::DisconnectMultiHandler()
 839 {
 840    //
 841    // Disconnect MultiHandler
 842    //
 843    if (fMultiInputHandler) fInputHandler = fMultiInputHandler;
 844 }