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     AliAnalysisTask::operator=(other);
 147     fDebug            = other.fDebug;
 148     fEntry            = other.fEntry;
 149     fInputEvent       = other.fInputEvent;
 150     fESDfriend        = other.fESDfriend;
 151     fInputHandler     = other.fInputHandler;
 152     fOutputAOD        = other.fOutputAOD;
 153     fMCEvent          = other.fMCEvent;
 154     fTreeA            = other.fTreeA;
 155     fCurrentRunNumber = other.fCurrentRunNumber;
 156     fHistosQA         = other.fHistosQA;
 157     fOfflineTriggerMask = other.fOfflineTriggerMask;
 158     fMultiInputHandler  = other.fMultiInputHandler;
 159     fMCEventHandler     = other.fMCEventHandler;
 160     return *this;
 161 }
 162
 163 //______________________________________________________________________________
 164 void AliAnalysisTaskSE::ConnectInputData(Option_t* /*option*/)
 165 {
 166 // Connect the input data
 167     if (fDebug > 1) printf("AnalysisTaskSE::ConnectInputData() \n");
 168
 169    // Connect input handlers (multi input handler is handled)
 170     ConnectMultiHandler();
 171
 172     if (fInputHandler) {
 173         if ((fInputHandler->GetTree())->GetBranch("ESDfriend."))
 174             fESDfriend = ((AliESDInputHandler*)fInputHandler)->GetESDfriend();
 175
 176         fInputEvent = fInputHandler->GetEvent();
 177     } else if( fMCEvent ) {
 178          AliWarning("No Input Event Handler connected, only MC Truth Event Handler") ;
 179     } else {
 180          AliError("No Input Event Handler connected") ;
 181          return ;
 182     }
 183     // Disconnect multi handler
 184     DisconnectMultiHandler();
 185 }
 186
 187 void AliAnalysisTaskSE::CreateOutputObjects()
 188 {
 189 // Create the output container
 190 //
 191 //  Default AOD
 192     if (fDebug > 1) printf("AnalysisTaskSE::CreateOutPutData() \n");
 193
 194     AliAODHandler* handler = dynamic_cast<AliAODHandler*>
 195          ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 196
 197     Bool_t merging = kFALSE;
 198     AliAODInputHandler* aodIH = static_cast<AliAODInputHandler*>((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
 199     if (aodIH) {
 200         if (aodIH->GetMergeEvents()) merging = kTRUE;
 201     }
 202
 203     // Check if AOD replication has been required
 204     if (handler) {
 205         fOutputAOD   = handler->GetAOD();
 206         fTreeA = handler->GetTree();
 207         if (fOutputAOD && !(handler->IsStandard())) {
 208             if ((handler->NeedsHeaderReplication() || merging) && !(fgAODHeader))
 209                 {
 210                  if (fDebug > 1) AliInfo("Replicating header");
 211                  fgAODHeader = new AliAODHeader;
 212                  handler->AddBranch("AliAODHeader", &fgAODHeader);
 213                 }
 214             if ((handler->NeedsTracksBranchReplication() || merging) && !(fgAODTracks))
 215             {
 216                 if (fDebug > 1) AliInfo("Replicating track branch\n");
 217                 fgAODTracks = new TClonesArray("AliAODTrack",500);
 218                 fgAODTracks->SetName("tracks");
 219                 handler->AddBranch("TClonesArray", &fgAODTracks);
 220             }
 221             if ((handler->NeedsVerticesBranchReplication() || merging) && !(fgAODVertices))
 222             {
 223                 if (fDebug > 1) AliInfo("Replicating vertices branch\n");
 224                 fgAODVertices = new TClonesArray("AliAODVertex",500);
 225                 fgAODVertices->SetName("vertices");
 226                 handler->AddBranch("TClonesArray", &fgAODVertices);
 227             }
 228             if ((handler->NeedsV0sBranchReplication()) && !(fgAODV0s))
 229             {
 230                 if (fDebug > 1) AliInfo("Replicating V0s branch\n");
 231                 fgAODV0s = new TClonesArray("AliAODv0",500);
 232                 fgAODV0s->SetName("v0s");
 233                 handler->AddBranch("TClonesArray", &fgAODV0s);
 234             }
 235             if ((handler->NeedsTrackletsBranchReplication()) && !(fgAODTracklets))
 236             {
 237                 if (fDebug > 1) AliInfo("Replicating Tracklets branch\n");
 238                 fgAODTracklets = new AliAODTracklets("tracklets","tracklets");
 239                 handler->AddBranch("AliAODTracklets", &fgAODTracklets);
 240             }
 241             if ((handler->NeedsPMDClustersBranchReplication()) && !(fgAODPMDClusters))
 242             {
 243                 if (fDebug > 1) AliInfo("Replicating PMDClusters branch\n");
 244                 fgAODPMDClusters = new TClonesArray("AliAODPmdCluster",500);
 245                 fgAODPMDClusters->SetName("pmdClusters");
 246                 handler->AddBranch("TClonesArray", &fgAODPMDClusters);
 247             }
 248             if ((handler->NeedsJetsBranchReplication() || merging) && !(fgAODJets))
 249             {
 250                 if (fDebug > 1) AliInfo("Replicating Jets branch\n");
 251                 fgAODJets = new TClonesArray("AliAODJet",500);
 252                 fgAODJets->SetName("jets");
 253                 handler->AddBranch("TClonesArray", &fgAODJets);
 254             }
 255             if ((handler->NeedsFMDClustersBranchReplication()) && !(fgAODFMDClusters))
 256             {
 257                 AliInfo("Replicating FMDClusters branch\n");
 258                 fgAODFMDClusters = new TClonesArray("AliAODFmdCluster",500);
 259                 fgAODFMDClusters->SetName("fmdClusters");
 260                 handler->AddBranch("TClonesArray", &fgAODFMDClusters);
 261             }
 262             if ((handler->NeedsCaloClustersBranchReplication() || merging) && !(fgAODCaloClusters))
 263             {
 264                 if (fDebug > 1) AliInfo("Replicating CaloClusters branch\n");
 265                 fgAODCaloClusters = new TClonesArray("AliAODCaloCluster",500);
 266                 fgAODCaloClusters->SetName("caloClusters");
 267                 handler->AddBranch("TClonesArray", &fgAODCaloClusters);
 268
 269                 fgAODEmcalCells = new AliAODCaloCells("emcalCells","emcalCells",AliVCaloCells::kEMCALCell);
 270                 handler->AddBranch("AliAODCaloCells", &fgAODEmcalCells);
 271
 272                 fgAODPhosCells = new AliAODCaloCells("phosCells","phosCells",AliVCaloCells::kPHOSCell);
 273                 handler->AddBranch("AliAODCaloCells", &fgAODPhosCells);
 274                 }
 275             if ((handler->NeedsCaloTriggerBranchReplication() || merging) && !(fgAODEMCALTrigger))
 276             {
 277                 if (fDebug > 1) AliInfo("Replicating EMCAL Calo Trigger branches\n");
 278                 fgAODEMCALTrigger = new AliAODCaloTrigger("emcalTrigger","emcalTrigger");
 279                 handler->AddBranch("AliAODCaloTrigger", &fgAODEMCALTrigger);
 280                 }
 281                 if ((handler->NeedsCaloTriggerBranchReplication() || merging) && !(fgAODPHOSTrigger))
 282                 {
 283                 if (fDebug > 1) AliInfo("Replicating PHOS Calo Trigger branches\n");
 284                 fgAODPHOSTrigger = new AliAODCaloTrigger("phosTrigger","phosTrigger");
 285                 handler->AddBranch("AliAODCaloTrigger", &fgAODPHOSTrigger);
 286             }
 287             if ((handler->NeedsMCParticlesBranchReplication() || merging) && !(fgAODMCParticles))
 288             {
 289                 if (fDebug > 1) AliInfo("Replicating MCParticles branch\n");
 290                 fgAODMCParticles = new TClonesArray("AliAODMCParticle",500);
 291                 fgAODMCParticles->SetName("mcparticles");
 292                 handler->AddBranch("TClonesArray", &fgAODMCParticles);
 293             }
 294             if ((handler->NeedsDimuonsBranchReplication() || merging) && !(fgAODDimuons))
 295             {
 296                 if (fDebug > 1) AliInfo("Replicating dimuon branch\n");
 297                 fgAODDimuons = new TClonesArray("AliAODDimuon",0);
 298                 fgAODDimuons->SetName("dimuons");
 299                 handler->AddBranch("TClonesArray", &fgAODDimuons);
 300             }
 301
 302             // cache the pointerd in the AODEvent
 303             fOutputAOD->GetStdContent();
 304         }
 305     }
 306     ConnectMultiHandler();
 307     UserCreateOutputObjects();
 308     DisconnectMultiHandler();
 309 }
 310
 311 void AliAnalysisTaskSE::Exec(Option_t* option)
 312 {
 313 //
 314 // Exec analysis of one event
 315
 316     ConnectMultiHandler();
 317
 318     if ( fDebug >= 10)
 319       printf("Task is active %5d\n", IsActive());
 320
 321     if (fDebug > 1) AliInfo("AliAnalysisTaskSE::Exec() \n");
 322 //
 323     AliAODHandler* handler = dynamic_cast<AliAODHandler*>
 324         ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 325
 326     AliAODInputHandler* aodH = dynamic_cast<AliAODInputHandler*>(fInputHandler);
 327 //
 328 // Was event selected ? If no event selection mechanism, the event SHOULD be selected (AG)
 329     UInt_t isSelected = AliVEvent::kAny;
 330     if( fInputHandler && (fInputHandler->GetEventSelection() || aodH)) {
 331       // Get the actual offline trigger mask for the event and AND it with the
 332       // requested mask. If no mask requested select by default the event.
 333       if (fOfflineTriggerMask)
 334          isSelected = fOfflineTriggerMask & fInputHandler->IsEventSelected();
 335     }
 336 //  Functionality below moved in the filter tasks (AG)
 337 //    if (handler) handler->SetFillAOD(isSelected);
 338
 339     if( fInputHandler ) {
 340         fEntry = fInputHandler->GetReadEntry();
 341         fESDfriend = ((AliESDInputHandler*)fInputHandler)->GetESDfriend();
 342     }
 343
 344
 345 // Notify the change of run number
 346     if (InputEvent() && (InputEvent()->GetRunNumber() != fCurrentRunNumber)) {
 347         fCurrentRunNumber = InputEvent()->GetRunNumber();
 348         NotifyRun();
 349     }
 350
 351     else if( fMCEvent )
 352        fEntry = fMCEvent->Header()->GetEvent();
 353     if ( !((Entry()-1)%100) && fDebug > 0)
 354          AliInfo(Form("%s ----> Processing event # %lld", CurrentFileName(), Entry()));
 355
 356
 357
 358
 359     if (handler && aodH) {
 360         fMCEvent = aodH->MCEvent();
 361         Bool_t merging = aodH->GetMergeEvents();
 362
 363   // Do not analyze merged events if last embedded file has less events than normal event,
 364   // skip analysis after last embeded event
 365   if(merging){
 366     if(aodH->GetReadEntry() + aodH->GetMergeOffset() >= aodH->GetTreeToMerge()->GetEntriesFast()){
 367       //printf("Skip Entry %lld, Offset %d, Tree Entries %d\n",aodH->GetReadEntry(),aodH->GetMergeOffset(), aodH->GetTreeToMerge()->GetEntries());
 368
 369       // Do I need to add the lines before the return?
 370       // Added protection in case the derived task is not an AOD producer.
 371       AliAnalysisDataSlot *out0 = GetOutputSlot(0);
 372       if (out0 && out0->IsConnected()) PostData(0, fTreeA);
 373
 374       DisconnectMultiHandler();
 375
 376       return;
 377     }
 378     //else   printf("MERGE Entry %lld, Offset %d, Tree Entries %d\n",aodH->GetReadEntry(),aodH->GetMergeOffset(), aodH->GetTreeToMerge()->GetEntries());
 379   }
 380
 381         AliAODEvent* aod = dynamic_cast<AliAODEvent*>(InputEvent());
 382
 383         if (aod && !(handler->IsStandard()) && !(handler->AODIsReplicated())) {
 384             if ((handler->NeedsHeaderReplication() || merging) && (fgAODHeader))
 385             {
 386               // copy the contents by assigment
 387               *fgAODHeader =  *(aod->GetHeader());
 388             }
 389             if ((handler->NeedsTracksBranchReplication() || (merging &&  aodH->GetMergeTracks())) && (fgAODTracks))
 390             {
 391                 TClonesArray* tracks = aod->GetTracks();
 392                 new (fgAODTracks) TClonesArray(*tracks);
 393             }
 394             if ((handler->NeedsVerticesBranchReplication() || merging) && (fgAODVertices))
 395             {
 396                 TClonesArray* vertices = aod->GetVertices();
 397                 new (fgAODVertices) TClonesArray(*vertices);
 398             }
 399             if ((handler->NeedsV0sBranchReplication()) && (fgAODV0s))
 400             {
 401                 TClonesArray* v0s = aod->GetV0s();
 402                 new (fgAODV0s) TClonesArray(*v0s);
 403             }
 404             if ((handler->NeedsTrackletsBranchReplication()) && (fgAODTracklets))
 405             {
 406               *fgAODTracklets = *aod->GetTracklets();
 407             }
 408             if ((handler->NeedsPMDClustersBranchReplication()) && (fgAODPMDClusters))
 409             {
 410                 TClonesArray* pmdClusters = aod->GetPmdClusters();
 411                 new (fgAODPMDClusters) TClonesArray(*pmdClusters);
 412             }
 413             if ((handler->NeedsJetsBranchReplication() || (merging &&aodH->GetMergeTracks())) && (fgAODJets))
 414             {
 415                 TClonesArray* jets = aod->GetJets();
 416                 new (fgAODJets) TClonesArray(*jets);
 417             }
 418             if ((handler->NeedsFMDClustersBranchReplication()) && (fgAODFMDClusters))
 419             {
 420                 TClonesArray* fmdClusters = aod->GetFmdClusters();
 421                 new (fgAODFMDClusters) TClonesArray(*fmdClusters);
 422             }
 423             if ((handler->NeedsCaloClustersBranchReplication() ||
 424                  (merging && (aodH->GetMergeEMCALClusters() || aodH->GetMergePHOSClusters())))
 425                 && (fgAODCaloClusters))
 426             {
 427                 TClonesArray* caloClusters = aod->GetCaloClusters();
 428                 new (fgAODCaloClusters) TClonesArray(*caloClusters);
 429             }
 430
 431             if ((handler->NeedsMCParticlesBranchReplication() || merging) && (fgAODMCParticles))
 432             {
 433                 TClonesArray* mcParticles = (TClonesArray*) (aod->FindListObject("mcparticles"));
 434                 if( mcParticles )
 435                   new (fgAODMCParticles) TClonesArray(*mcParticles);
 436             }
 437
 438             if ((handler->NeedsDimuonsBranchReplication() || (merging && aodH->GetMergeTracks())) && (fgAODDimuons))
 439             {
 440                 fgAODDimuons->Clear();
 441                 TClonesArray& dimuons = *fgAODDimuons;
 442                 TClonesArray& tracksnew = *fgAODTracks;
 443
 444                 Int_t nMuonTrack[100];
 445                 for(Int_t imuon = 0; imuon < 100; imuon++) nMuonTrack[imuon] = 0;
 446                 Int_t nMuons=0;
 447                 for(Int_t ii=0; ii < fgAODTracks->GetEntries(); ii++){
 448                     AliAODTrack *track = (AliAODTrack*) fgAODTracks->At(ii);
 449                     if(track->IsMuonTrack()) {
 450                         nMuonTrack[nMuons]= ii;
 451                         nMuons++;
 452                     }
 453                 }
 454                 Int_t jDimuons=0;
 455                 if(nMuons >= 2){
 456                     for(Int_t i = 0; i < nMuons; i++){
 457                         Int_t index0 = nMuonTrack[i];
 458                         for(Int_t j = i+1; j < nMuons; j++){
 459                             Int_t index1 = nMuonTrack[j];
 460                             tracksnew.At(index0)->ResetBit(kIsReferenced);
 461                             tracksnew.At(index0)->SetUniqueID(0);
 462                             tracksnew.At(index1)->ResetBit(kIsReferenced);
 463                             tracksnew.At(index1)->SetUniqueID(0);
 464                             new(dimuons[jDimuons++]) AliAODDimuon(tracksnew.At(index0),tracksnew.At(index1));
 465                         }
 466                     }
 467                 }
 468             }
 469             // Additional merging if needed
 470             if (merging) {
 471               Int_t nc;
 472
 473                 // mcParticles
 474                 TClonesArray* mcparticles = (TClonesArray*) ((aodH->GetEventToMerge())->FindListObject("mcparticles"));
 475                 if( mcparticles ){
 476                   Int_t npart = mcparticles->GetEntries();
 477                   nc = fgAODMCParticles->GetEntries();
 478
 479                   for (Int_t i = 0; i < npart; i++) {
 480                     AliAODMCParticle* particle = (AliAODMCParticle*) mcparticles->At(i);
 481                     new((*fgAODMCParticles)[nc++]) AliAODMCParticle(*particle);
 482                   }
 483                 }
 484
 485                 // tracks
 486                 TClonesArray* tracks = aodH->GetEventToMerge()->GetTracks();
 487                 if(tracks && aodH->GetMergeTracks()){
 488                   Int_t ntr = tracks->GetEntries();
 489                   nc  = fgAODTracks->GetEntries();
 490                   for (Int_t i = 0; i < ntr; i++) {
 491                     AliAODTrack*    track = (AliAODTrack*) tracks->At(i);
 492                     AliAODTrack* newtrack = new((*fgAODTracks)[nc++]) AliAODTrack(*track);
 493                     newtrack->SetLabel(newtrack->GetLabel() + fgAODMCParticles->GetEntries());
 494                   }
 495
 496                   for (Int_t i = 0; i < nc; i++)
 497                     {
 498                       AliAODTrack* track = (AliAODTrack*) fgAODTracks->At(i);
 499                       track->ResetBit(kIsReferenced);
 500                       track->SetUniqueID(0);
 501                     }
 502                 }
 503
 504                 // clusters
 505                 TClonesArray* clusters = aodH->GetEventToMerge()->GetCaloClusters();
 506                 if( clusters  && (aodH->GetMergeEMCALClusters() || aodH->GetMergePHOSClusters())) {
 507                   Int_t ncl  = clusters->GetEntries();
 508                   nc         =  fgAODCaloClusters->GetEntries();
 509                   for (Int_t i = 0; i < ncl; i++) {
 510                     AliAODCaloCluster*    cluster = (AliAODCaloCluster*) clusters->At(i);
 511                     if(cluster->IsEMCAL() && !aodH->GetMergeEMCALClusters() ) continue;
 512                     if(cluster->IsPHOS()  && !aodH->GetMergePHOSClusters()  ) continue;
 513                     new((*fgAODCaloClusters)[nc++]) AliAODCaloCluster(*cluster);
 514                   }
 515                 }
 516
 517                 // EMCAL cells
 518                 //*fgAODEmcalCells =  *(aod->GetEMCALCells()); // This will be valid after 10.Mar.2011.
 519                 if(aodH->GetMergeEMCALCells()) {
 520                     AliAODCaloCells* copycells = aod->GetEMCALCells();
 521                     fgAODEmcalCells->CreateContainer(copycells->GetNumberOfCells());
 522                     nc  = copycells->GetNumberOfCells();
 523                     while( nc-- ){ fgAODEmcalCells->SetCell(nc,copycells->GetCellNumber(nc),copycells->GetAmplitude(nc)); }
 524
 525                     AliAODCaloCells* cellsA = aodH->GetEventToMerge()->GetEMCALCells();
 526                     if( cellsA ){
 527                         Int_t ncells  = cellsA->GetNumberOfCells();
 528                         nc = fgAODEmcalCells->GetNumberOfCells();
 529                         for (Int_t i  = 0; i < ncells; i++) {
 530                             Int_t cn  = cellsA->GetCellNumber(i);
 531                             Int_t pos = fgAODEmcalCells->GetCellPosition(cn);
 532                             if (pos >= 0) {
 533                                 Double_t amp = cellsA->GetAmplitude(i) + fgAODEmcalCells->GetAmplitude(pos);
 534                                 fgAODEmcalCells->SetCell(pos, cn, amp);
 535                             } else {
 536                                 AliAODCaloCells* copycells1 = new AliAODCaloCells(*fgAODEmcalCells);
 537                                 fgAODEmcalCells->CreateContainer(nc+1);
 538                                 Int_t nn = copycells1->GetNumberOfCells();
 539                                 while( nn-- ){ fgAODEmcalCells->SetCell(nn,copycells1->GetCellNumber(nn),copycells1->GetAmplitude(nn)); }
 540                                 fgAODEmcalCells->SetCell(nc++,cn,cellsA->GetAmplitude(i));
 541                                 delete copycells1;
 542                             }
 543                         }
 544                         fgAODEmcalCells->Sort();
 545                     }
 546                 } // merge emcal cells
 547
 548
 549                 // PHOS cells
 550                 //*fgAODPhosCells =  *(aod->GetPHOSCells()); // This will be valid after 10.Mar.2011.
 551                 if(aodH->GetMergePHOSCells()) {
 552                     AliAODCaloCells* copycells = aod->GetPHOSCells();
 553                     fgAODPhosCells->CreateContainer(copycells->GetNumberOfCells());
 554                     nc  = copycells->GetNumberOfCells();
 555                     while( nc-- ){ fgAODPhosCells->SetCell(nc,copycells->GetCellNumber(nc),copycells->GetAmplitude(nc)); }
 556                     AliAODCaloCells* cellsP = aodH->GetEventToMerge()->GetPHOSCells();
 557                     if( cellsP ){
 558                         Int_t ncellsP  = cellsP->GetNumberOfCells();
 559                         nc = fgAODPhosCells->GetNumberOfCells();
 560
 561                         for (Int_t i  = 0; i < ncellsP; i++) {
 562                             Int_t cn  = cellsP->GetCellNumber(i);
 563                             Int_t pos = fgAODPhosCells->GetCellPosition(cn);
 564                             if (pos >= 0) {
 565                                 Double_t amp = cellsP->GetAmplitude(i) + fgAODPhosCells->GetAmplitude(pos);
 566                                 fgAODPhosCells->SetCell(pos, cn, amp);
 567                             } else {
 568                                 AliAODCaloCells* copycells1 = new AliAODCaloCells(*fgAODPhosCells);
 569                                 fgAODPhosCells->CreateContainer(nc+1);
 570                                 Int_t nn = copycells1->GetNumberOfCells();
 571                                 while( nn-- ){ fgAODPhosCells->SetCell(nn,copycells1->GetCellNumber(nn),copycells1->GetAmplitude(nn)); }
 572                                 fgAODPhosCells->SetCell(nc++,cn,cellsP->GetAmplitude(i));
 573                                 delete copycells1;
 574                             }
 575                         }
 576                         fgAODPhosCells->Sort();
 577                     }
 578                 } // Merge PHOS Cells
 579
 580                 if (aodH->GetMergeEMCALTrigger())
 581                 {
 582                         Int_t   EMCALts[48][64], px, py, ts;
 583                         Float_t EMCALfo[48][64], am;
 584
 585                         for (Int_t i = 0; i < 48; i++) for (Int_t j = 0; j < 64; j++)
 586                         {
 587                                 EMCALts[i][j] = 0;
 588                                 EMCALfo[i][j] = 0.;
 589                         }
 590
 591                         AliAODCaloTrigger& trg0 = *(aod->GetCaloTrigger("EMCAL"));
 592
 593                         trg0.Reset();
 594                         while (trg0.Next())
 595                         {
 596                                 trg0.GetPosition(px, py);
 597
 598                                 if (px > -1 && py > -1)
 599                                 {
 600                                         trg0.GetL1TimeSum(ts);
 601                                         if (ts > -1) EMCALts[px][py] += ts;
 602
 603                                         trg0.GetAmplitude(am);
 604                                         if (am > -1) EMCALfo[px][py] += am;
 605                                 }
 606                         }
 607
 608                         AliAODCaloTrigger& trg1 = *((aodH->GetEventToMerge())->GetCaloTrigger("EMCAL"));
 609
 610                         trg1.Reset();
 611                         while (trg1.Next())
 612                         {
 613                                 trg1.GetPosition(px, py);
 614
 615                                 if (px > -1 && py > -1)
 616                                 {
 617                                         trg1.GetL1TimeSum(ts);
 618                                         if (ts > -1) EMCALts[px][py] += ts;
 619
 620                                         trg1.GetAmplitude(am);
 621                                         if (am > -1) EMCALfo[px][py] += am;
 622                                 }
 623                         }
 624
 625                         int nEntries = 0;
 626                         for (Int_t i = 0; i < 48; i++)
 627                                 for (Int_t j = 0; j < 64; j++)
 628                                         if (EMCALts[i][j] || EMCALfo[i][j]) nEntries++;
 629
 630                         fgAODEMCALTrigger->Allocate(nEntries);
 631                         Int_t L0times[10]; for (int i = 0; i < 10; i++) L0times[i] = -1;
 632
 633                         for (Int_t i = 0; i < 48; i++)
 634                                 for (Int_t j = 0; j < 64; j++)
 635                                         if (EMCALts[i][j] || EMCALfo[i][j])
 636                                                 fgAODEMCALTrigger->Add(i, j, EMCALfo[i][j], -1., L0times, 0, EMCALts[i][j], 0);
 637                 }
 638
 639                 if (aodH->GetMergePHOSTrigger())
 640                 {
 641                         // To be implemented by PHOS
 642                 }
 643             } // merging
 644
 645             handler->SetAODIsReplicated();
 646         }
 647     }
 648
 649
 650 // Call the user analysis
 651     if (!fMCEventHandler) {
 652         if (isSelected)
 653             UserExec(option);
 654     } else {
 655         if (isSelected && (fMCEventHandler->InitOk()))
 656             UserExec(option);
 657     }
 658
 659 // Added protection in case the derived task is not an AOD producer.
 660     AliAnalysisDataSlot *out0 = GetOutputSlot(0);
 661     if (out0 && out0->IsConnected()) PostData(0, fTreeA);
 662
 663     DisconnectMultiHandler();
 664 }
 665
 666 const char* AliAnalysisTaskSE::CurrentFileName()
 667 {
 668 // Returns the current file name
 669     if( fInputHandler )
 670       return fInputHandler->GetTree()->GetCurrentFile()->GetName();
 671     else if( fMCEvent )
 672       return ((AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()))->TreeK()->GetCurrentFile()->GetName();
 673     else return "";
 674 }
 675
 676 void AliAnalysisTaskSE::AddAODBranch(const char* cname, void* addobj, const char *fname)
 677 {
 678     // Add a new branch to the aod tree
 679     AliAODHandler* handler = dynamic_cast<AliAODHandler*>
 680         ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 681     if (handler) {
 682         handler->AddBranch(cname, addobj, fname);
 683     }
 684 }
 685
 686 Bool_t AliAnalysisTaskSE::IsStandardAOD() const
 687 {
 688 // Check if the output AOD handler is configured for standard or delta AOD.
 689 // Users should first check that AODEvent() returns non-null.
 690     AliAODHandler* handler = dynamic_cast<AliAODHandler*>
 691          ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 692     if (!handler) {
 693        Error("IsStandardAOD", "No AOD handler. Please use AODEvent() to check this first");
 694        return kTRUE;
 695     }
 696     return handler->IsStandard();
 697 }
 698
 699 Bool_t AliAnalysisTaskSE::Notify()
 700 {
 701     return (UserNotify());
 702 }
 703
 704 const AliEventTag *AliAnalysisTaskSE::EventTag() const
 705 {
 706 // Returns tag for the current event, if any. The return value should always be checked by the user.
 707    if (!fInputHandler) {
 708       Error("EventTag", "Input handler not yet available. Call this in UserExec");
 709       return NULL;
 710    }
 711    return fInputHandler->GetEventTag();
 712 }
 713
 714 void AliAnalysisTaskSE::LoadBranches() const
 715 {
 716 // Load all branches declared in fBranchNames data member of the parent class.
 717 // Should be called in UserExec.
 718   if (!fInputHandler) {
 719      Error("LoadBranches", "Input handler not available yet. Call this in UserExec");
 720      return;
 721   }
 722   AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
 723   if (mgr->GetAutoBranchLoading()) return;
 724   TString taskbranches;
 725   GetBranches(fInputHandler->GetDataType(), taskbranches);
 726   if (taskbranches.IsNull()) return;
 727   TObjArray *arr = taskbranches.Tokenize(",");
 728   TIter next(arr);
 729   TObject *obj;
 730   while ((obj=next())) mgr->LoadBranch(obj->GetName());
 731 }
 732
 733
 734 //_________________________________________________________________________________________________
 735 void AliAnalysisTaskSE::ConnectMultiHandler()
 736 {
 737    //
 738    // Connect MultiHandler
 739    //
 740    fInputHandler = (AliInputEventHandler *)((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
 741    fMultiInputHandler = dynamic_cast<AliMultiInputEventHandler *>(fInputHandler);
 742    if (fMultiInputHandler) {
 743       fInputHandler = dynamic_cast<AliInputEventHandler *>(fMultiInputHandler->GetFirstInputEventHandler());
 744       fMCEventHandler = dynamic_cast<AliMCEventHandler *>(fMultiInputHandler->GetFirstMCEventHandler());
 745    } else {
 746       fMCEventHandler = dynamic_cast<AliMCEventHandler *>((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
 747    }
 748    if (fMCEventHandler) fMCEvent = fMCEventHandler->MCEvent();
 749 }
 750
 751 //_________________________________________________________________________________________________
 752 void AliAnalysisTaskSE::DisconnectMultiHandler()
 753 {
 754    //
 755    // Disconnect MultiHandler
 756    //
 757    if (fMultiInputHandler) fInputHandler = fMultiInputHandler;
 758 }