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