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     }
 362
 363     else if( fMCEvent )
 364        fEntry = fMCEvent->Header()->GetEvent();
 365     if ( !((Entry()-1)%100) && fDebug > 0)
 366          AliInfo(Form("%s ----> Processing event # %lld", CurrentFileName(), Entry()));
 367
 368
 369
 370
 371     if (handler && aodH) {
 372         fMCEvent = aodH->MCEvent();
 373         Bool_t merging = aodH->GetMergeEvents();
 374
 375   // Do not analyze merged events if last embedded file has less events than normal event,
 376   // skip analysis after last embeded event
 377   if(merging){
 378     if(aodH->GetReadEntry() + aodH->GetMergeOffset() >= aodH->GetTreeToMerge()->GetEntriesFast()){
 379       //printf("Skip Entry %lld, Offset %d, Tree Entries %d\n",aodH->GetReadEntry(),aodH->GetMergeOffset(), aodH->GetTreeToMerge()->GetEntries());
 380
 381       // Do I need to add the lines before the return?
 382       // Added protection in case the derived task is not an AOD producer.
 383       AliAnalysisDataSlot *out0 = GetOutputSlot(0);
 384       if (out0 && out0->IsConnected()) PostData(0, fTreeA);
 385
 386       DisconnectMultiHandler();
 387
 388       return;
 389     }
 390     //else   printf("MERGE Entry %lld, Offset %d, Tree Entries %d\n",aodH->GetReadEntry(),aodH->GetMergeOffset(), aodH->GetTreeToMerge()->GetEntries());
 391   }
 392
 393         AliAODEvent* aod = dynamic_cast<AliAODEvent*>(InputEvent());
 394
 395         if (aod && !(handler->IsStandard()) && !(handler->AODIsReplicated())) {
 396             if ((handler->NeedsHeaderReplication() || merging) && (fgAODHeader))
 397             {
 398               // copy the contents by assigment
 399               *fgAODHeader =  *(aod->GetHeader());
 400             }
 401             if ((handler->NeedsTracksBranchReplication() || (merging &&  aodH->GetMergeTracks())) && (fgAODTracks))
 402             {
 403                 TClonesArray* tracks = aod->GetTracks();
 404                 new (fgAODTracks) TClonesArray(*tracks);
 405             }
 406             if ((handler->NeedsVerticesBranchReplication() || merging) && (fgAODVertices))
 407             {
 408                 TClonesArray* vertices = aod->GetVertices();
 409                 new (fgAODVertices) TClonesArray(*vertices);
 410             }
 411             if ((handler->NeedsV0sBranchReplication()) && (fgAODV0s))
 412             {
 413                 TClonesArray* v0s = aod->GetV0s();
 414                 new (fgAODV0s) TClonesArray(*v0s);
 415             }
 416             if ((handler->NeedsTrackletsBranchReplication()) && (fgAODTracklets))
 417             {
 418               *fgAODTracklets = *aod->GetTracklets();
 419             }
 420             if ((handler->NeedsPMDClustersBranchReplication()) && (fgAODPMDClusters))
 421             {
 422                 TClonesArray* pmdClusters = aod->GetPmdClusters();
 423                 new (fgAODPMDClusters) TClonesArray(*pmdClusters);
 424             }
 425             if ((handler->NeedsJetsBranchReplication() || (merging &&aodH->GetMergeTracks())) && (fgAODJets))
 426             {
 427                 TClonesArray* jets = aod->GetJets();
 428                 new (fgAODJets) TClonesArray(*jets);
 429             }
 430             if ((handler->NeedsFMDClustersBranchReplication()) && (fgAODFMDClusters))
 431             {
 432                 TClonesArray* fmdClusters = aod->GetFmdClusters();
 433                 new (fgAODFMDClusters) TClonesArray(*fmdClusters);
 434             }
 435             if ((handler->NeedsCaloClustersBranchReplication() ||
 436                  (merging && (aodH->GetMergeEMCALClusters() || aodH->GetMergePHOSClusters())))
 437                 && (fgAODCaloClusters))
 438             {
 439                 TClonesArray* caloClusters = aod->GetCaloClusters();
 440                 new (fgAODCaloClusters) TClonesArray(*caloClusters);
 441             }
 442
 443             if ((handler->NeedsMCParticlesBranchReplication() || merging) && (fgAODMCParticles))
 444             {
 445                 TClonesArray* mcParticles = (TClonesArray*) (aod->FindListObject("mcparticles"));
 446                 if( mcParticles )
 447                   new (fgAODMCParticles) TClonesArray(*mcParticles);
 448             }
 449
 450             if ((handler->NeedsDimuonsBranchReplication() || (merging && aodH->GetMergeTracks())) && (fgAODDimuons))
 451             {
 452                 fgAODDimuons->Clear();
 453                 TClonesArray& dimuons = *fgAODDimuons;
 454                 TClonesArray& tracksnew = *fgAODTracks;
 455
 456                 Int_t nMuonTrack[100];
 457                 for(Int_t imuon = 0; imuon < 100; imuon++) nMuonTrack[imuon] = 0;
 458                 Int_t nMuons=0;
 459                 for(Int_t ii=0; ii < fgAODTracks->GetEntries(); ii++){
 460                     AliAODTrack *track = (AliAODTrack*) fgAODTracks->At(ii);
 461                     if(track->IsMuonTrack()) {
 462                         nMuonTrack[nMuons]= ii;
 463                         nMuons++;
 464                     }
 465                 }
 466                 Int_t jDimuons=0;
 467                 if(nMuons >= 2){
 468                     for(Int_t i = 0; i < nMuons; i++){
 469                         Int_t index0 = nMuonTrack[i];
 470                         for(Int_t j = i+1; j < nMuons; j++){
 471                             Int_t index1 = nMuonTrack[j];
 472                             tracksnew.At(index0)->ResetBit(kIsReferenced);
 473                             tracksnew.At(index0)->SetUniqueID(0);
 474                             tracksnew.At(index1)->ResetBit(kIsReferenced);
 475                             tracksnew.At(index1)->SetUniqueID(0);
 476                             new(dimuons[jDimuons++]) AliAODDimuon(tracksnew.At(index0),tracksnew.At(index1));
 477                         }
 478                     }
 479                 }
 480             }
 481             if ((handler->NeedsHMPIDBranchReplication()) && (fgAODHmpidRings))
 482             {
 483                 TClonesArray* hmpidRings = aod->GetHMPIDrings();
 484                 new (fgAODHmpidRings) TClonesArray(*hmpidRings);
 485             }
 486
 487
 488
 489             // Additional merging if needed
 490             if (merging) {
 491               Int_t nc;
 492
 493                 // mcParticles
 494                 TClonesArray* mcparticles = (TClonesArray*) ((aodH->GetEventToMerge())->FindListObject("mcparticles"));
 495                 if( mcparticles ){
 496                   Int_t npart = mcparticles->GetEntries();
 497                   nc = fgAODMCParticles->GetEntries();
 498
 499                   for (Int_t i = 0; i < npart; i++) {
 500                     AliAODMCParticle* particle = (AliAODMCParticle*) mcparticles->At(i);
 501                     new((*fgAODMCParticles)[nc++]) AliAODMCParticle(*particle);
 502                   }
 503                 }
 504
 505                 // tracks
 506                 TClonesArray* tracks = aodH->GetEventToMerge()->GetTracks();
 507                 if(tracks && aodH->GetMergeTracks()){
 508                   Int_t ntr = tracks->GetEntries();
 509                   nc  = fgAODTracks->GetEntries();
 510                   for (Int_t i = 0; i < ntr; i++) {
 511                     AliAODTrack*    track = (AliAODTrack*) tracks->At(i);
 512                     AliAODTrack* newtrack = new((*fgAODTracks)[nc++]) AliAODTrack(*track);
 513                     newtrack->SetLabel(newtrack->GetLabel() + fgAODMCParticles->GetEntries());
 514                   }
 515
 516                   for (Int_t i = 0; i < nc; i++)
 517                     {
 518                       AliAODTrack* track = (AliAODTrack*) fgAODTracks->At(i);
 519                       track->ResetBit(kIsReferenced);
 520                       track->SetUniqueID(0);
 521                     }
 522                 }
 523
 524                 // clusters
 525                 TClonesArray* clusters = aodH->GetEventToMerge()->GetCaloClusters();
 526                 if( clusters  && (aodH->GetMergeEMCALClusters() || aodH->GetMergePHOSClusters())) {
 527                   Int_t ncl  = clusters->GetEntries();
 528                   nc         =  fgAODCaloClusters->GetEntries();
 529                   for (Int_t i = 0; i < ncl; i++) {
 530                     AliAODCaloCluster*    cluster = (AliAODCaloCluster*) clusters->At(i);
 531                     if(cluster->IsEMCAL() && !aodH->GetMergeEMCALClusters() ) continue;
 532                     if(cluster->IsPHOS()  && !aodH->GetMergePHOSClusters()  ) continue;
 533                     new((*fgAODCaloClusters)[nc++]) AliAODCaloCluster(*cluster);
 534                   }
 535                 }
 536
 537                 // EMCAL cells
 538                 //*fgAODEmcalCells =  *(aod->GetEMCALCells()); // This will be valid after 10.Mar.2011.
 539                 if(aodH->GetMergeEMCALCells())
 540                   {
 541                     AliAODCaloCells* copycells = aod->GetEMCALCells();
 542                     fgAODEmcalCells->CreateContainer(copycells->GetNumberOfCells());
 543                     nc  = copycells->GetNumberOfCells();
 544
 545                     while( nc-- ){ fgAODEmcalCells->SetCell(nc,copycells->GetCellNumber(nc),copycells->GetAmplitude(nc),
 546                                                             copycells->GetTime(nc),copycells->GetMCLabel(nc),copycells->GetEFraction(nc)); }
 547
 548                     AliAODCaloCells* cellsA = aodH->GetEventToMerge()->GetEMCALCells();
 549                     if( cellsA )
 550                       {
 551                         Int_t ncells  = cellsA->GetNumberOfCells();
 552                         nc = fgAODEmcalCells->GetNumberOfCells();
 553
 554                         for (Int_t i  = 0; i < ncells; i++)
 555                           {
 556                             Int_t cn  = cellsA->GetCellNumber(i);
 557                             Int_t pos = fgAODEmcalCells->GetCellPosition(cn);
 558
 559                             if (pos >= 0)
 560                               {
 561                                 Double_t amp = cellsA->GetAmplitude(i) + fgAODEmcalCells->GetAmplitude(pos);
 562
 563                                 //Check if it is MC, depending on that assing the mc lable, time and e fraction
 564                                 Double_t time    = 0;
 565                                 Int_t    mclabel =-1;
 566                                 Double_t efrac   = 0;
 567                                 if(cellsA->GetMCLabel(i) >= 0 && fgAODEmcalCells->GetMCLabel(i) < 0)
 568                                   {
 569                                     mclabel = cellsA->GetMCLabel(i) ;
 570                                     time    = fgAODEmcalCells->GetTime(i) ; // Time from data
 571                                     if(amp > 0) efrac = cellsA->GetAmplitude(i) / amp;
 572                                   }
 573                                 else if(fgAODEmcalCells->GetMCLabel(i) >= 0 &&  cellsA->GetMCLabel(i) < 0)
 574                                   {
 575                                     mclabel = fgAODEmcalCells->GetMCLabel(i) ;
 576                                     time    = cellsA->GetTime(i) ; // Time from data
 577                                     if(amp > 0) efrac = fgAODEmcalCells->GetAmplitude(i) / amp;
 578                                   }
 579                                 else
 580                                   { // take all from input
 581                                     mclabel = cellsA->GetMCLabel(i) ;
 582                                     time    = cellsA->GetTime(i) ;
 583                                     if(amp > 0) efrac = cellsA->GetAmplitude(i) / amp;
 584                                   }
 585
 586                                 fgAODEmcalCells->SetCell(pos, cn, amp,cellsA->GetTime(i),mclabel,efrac);
 587
 588                               } else
 589                               {
 590                                 AliAODCaloCells* copycells1 = new AliAODCaloCells(*fgAODEmcalCells);
 591                                 fgAODEmcalCells->CreateContainer(nc+1);
 592                                 Int_t nn = copycells1->GetNumberOfCells();
 593
 594                                 while( nn-- ){ fgAODEmcalCells->SetCell(nn,copycells1->GetCellNumber(nn),copycells1->GetAmplitude(nn),
 595                                                                         copycells1->GetTime(nn),copycells1->GetMCLabel(nn),0.); }
 596
 597                                 fgAODEmcalCells->SetCell(nc++,cn,cellsA->GetAmplitude(i),cellsA->GetTime(i), cellsA->GetMCLabel(i),0.);
 598
 599                                 delete copycells1;
 600                               }
 601                           }
 602                         fgAODEmcalCells->Sort();
 603                       }
 604                   } // merge emcal cells
 605
 606
 607                 // PHOS cells
 608                 //*fgAODPhosCells =  *(aod->GetPHOSCells()); // This will be valid after 10.Mar.2011.
 609                 if(aodH->GetMergePHOSCells())
 610                   {
 611                     AliAODCaloCells* copycells = aod->GetPHOSCells();
 612                     fgAODPhosCells->CreateContainer(copycells->GetNumberOfCells());
 613                     nc  = copycells->GetNumberOfCells();
 614
 615                     while( nc-- ){ fgAODPhosCells->SetCell(nc,copycells->GetCellNumber(nc),copycells->GetAmplitude(nc),
 616                                                            copycells->GetTime(nc),copycells->GetMCLabel(nc),copycells->GetEFraction(nc)); }
 617
 618                     AliAODCaloCells* cellsP = aodH->GetEventToMerge()->GetPHOSCells();
 619                     if( cellsP )
 620                       {
 621                         Int_t ncellsP  = cellsP->GetNumberOfCells();
 622                         nc = fgAODPhosCells->GetNumberOfCells();
 623
 624                         for (Int_t i  = 0; i < ncellsP; i++)
 625                           {
 626                             Int_t cn  = cellsP->GetCellNumber(i);
 627                             Int_t pos = fgAODPhosCells->GetCellPosition(cn);
 628
 629                             if (pos >= 0)
 630                               {
 631                                 Double_t amp = cellsP->GetAmplitude(i) + fgAODPhosCells->GetAmplitude(pos);
 632
 633                                 //Check if it is MC, depending on that assing the mc lable, time and e fraction
 634                                 Double_t time    = 0;
 635                                 Int_t    mclabel =-1;
 636                                 Double_t    efrac   = 0;
 637                                 if(cellsP->GetMCLabel(i) >= 0 && fgAODPhosCells->GetMCLabel(i) < 0)
 638                                   {
 639                                     mclabel = cellsP->GetMCLabel(i) ;
 640                                     time    = fgAODPhosCells->GetTime(i) ; // Time from data
 641                                     if(amp > 0) efrac = cellsP->GetAmplitude(i) / amp;
 642                                   }
 643                                 else if(fgAODPhosCells->GetMCLabel(i) >= 0 &&  cellsP->GetMCLabel(i) < 0)
 644                                   {
 645                                     mclabel = fgAODPhosCells->GetMCLabel(i) ;
 646                                     time    = cellsP->GetTime(i) ; // Time from data
 647                                     if(amp > 0) efrac = fgAODPhosCells->GetAmplitude(i) / amp;
 648                                   }
 649                                 else
 650                                   { // take all from input
 651                                     mclabel = cellsP->GetMCLabel(i) ;
 652                                     time    = cellsP->GetTime(i) ;
 653                                     if(amp > 0) efrac = cellsP->GetAmplitude(i) / amp;
 654                                   }
 655
 656                                 fgAODPhosCells->SetCell(pos, cn, amp,cellsP->GetTime(i),mclabel,efrac);
 657
 658                               } else
 659                               {
 660                                 AliAODCaloCells* copycells1 = new AliAODCaloCells(*fgAODPhosCells);
 661                                 fgAODPhosCells->CreateContainer(nc+1);
 662                                 Int_t nn = copycells1->GetNumberOfCells();
 663
 664                                 while( nn-- ){ fgAODPhosCells->SetCell(nn,copycells1->GetCellNumber(nn),copycells1->GetAmplitude(nn),
 665                                                                        copycells1->GetTime(nn),copycells1->GetMCLabel(nn),0.); }
 666
 667                                 fgAODPhosCells->SetCell(nc++,cn,cellsP->GetAmplitude(i),cellsP->GetTime(i), cellsP->GetMCLabel(i),0.);
 668
 669                                 delete copycells1;
 670                               }
 671                           }
 672                         fgAODPhosCells->Sort();
 673                       }
 674                   } // Merge PHOS Cells
 675
 676                 if (aodH->GetMergeEMCALTrigger() && aod->GetCaloTrigger("EMCAL"))
 677                 {
 678                         Int_t   tsEMCAL[48][64], px, py, ts;
 679                         Float_t foEMCAL[48][64], am;
 680
 681                         for (Int_t i = 0; i < 48; i++) for (Int_t j = 0; j < 64; j++)
 682                         {
 683                                 tsEMCAL[i][j] = 0;
 684                                 foEMCAL[i][j] = 0.;
 685                         }
 686
 687       AliAODCaloTrigger& trg0 = *(aod->GetCaloTrigger("EMCAL"));
 688       trg0.Reset();
 689       while (trg0.Next())
 690       {
 691         trg0.GetPosition(px, py);
 692
 693         if (px > -1 && py > -1)
 694         {
 695           trg0.GetL1TimeSum(ts);
 696           if (ts > -1) tsEMCAL[px][py] += ts;
 697
 698           trg0.GetAmplitude(am);
 699           if (am > -1) foEMCAL[px][py] += am;
 700         }
 701       }
 702
 703       AliAODCaloTrigger& trg1 = *((aodH->GetEventToMerge())->GetCaloTrigger("EMCAL"));
 704
 705       trg1.Reset();
 706       while (trg1.Next())
 707       {
 708         trg1.GetPosition(px, py);
 709
 710         if (px > -1 && py > -1)
 711         {
 712           trg1.GetL1TimeSum(ts);
 713           if (ts > -1) tsEMCAL[px][py] += ts;
 714
 715           trg1.GetAmplitude(am);
 716           if (am > -1) foEMCAL[px][py] += am;
 717         }
 718       }
 719
 720       int nEntries = 0;
 721       for (Int_t i = 0; i < 48; i++)
 722         for (Int_t j = 0; j < 64; j++)
 723           if (tsEMCAL[i][j] || foEMCAL[i][j]) nEntries++;
 724
 725       fgAODEMCALTrigger->Allocate(nEntries);
 726       Int_t timesL0[10]; for (int i = 0; i < 10; i++) timesL0[i] = -1;
 727
 728       for (Int_t i = 0; i < 48; i++)
 729         for (Int_t j = 0; j < 64; j++)
 730           if (tsEMCAL[i][j] || foEMCAL[i][j])
 731             fgAODEMCALTrigger->Add(i, j, foEMCAL[i][j], -1., timesL0, 0, tsEMCAL[i][j], 0);
 732     }
 733
 734                 if (aodH->GetMergePHOSTrigger())
 735                 {
 736                         // To be implemented by PHOS
 737                 }
 738             } // merging
 739
 740             handler->SetAODIsReplicated();
 741         }
 742     }
 743
 744
 745 // Call the user analysis
 746     if (!fMCEventHandler) {
 747         if (isSelected)
 748             UserExec(option);
 749     } else {
 750         if (isSelected && (fMCEventHandler->InitOk()))
 751             UserExec(option);
 752     }
 753
 754 // Added protection in case the derived task is not an AOD producer.
 755     AliAnalysisDataSlot *out0 = GetOutputSlot(0);
 756     if (out0 && out0->IsConnected()) PostData(0, fTreeA);
 757
 758     DisconnectMultiHandler();
 759 }
 760
 761 const char* AliAnalysisTaskSE::CurrentFileName()
 762 {
 763 // Returns the current file name
 764     if( fInputHandler )
 765       return fInputHandler->GetTree()->GetCurrentFile()->GetName();
 766     else if( fMCEvent )
 767       return ((AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()))->TreeK()->GetCurrentFile()->GetName();
 768     else return "";
 769 }
 770
 771 void AliAnalysisTaskSE::AddAODBranch(const char* cname, void* addobj, const char *fname)
 772 {
 773     // Add a new branch to the aod tree
 774     AliAODHandler* handler = dynamic_cast<AliAODHandler*>
 775         ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 776     if (handler) {
 777         handler->AddBranch(cname, addobj, fname);
 778     }
 779 }
 780
 781 Bool_t AliAnalysisTaskSE::IsStandardAOD() const
 782 {
 783 // Check if the output AOD handler is configured for standard or delta AOD.
 784 // Users should first check that AODEvent() returns non-null.
 785     AliAODHandler* handler = dynamic_cast<AliAODHandler*>
 786          ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 787     if (!handler) {
 788        Error("IsStandardAOD", "No AOD handler. Please use AODEvent() to check this first");
 789        return kTRUE;
 790     }
 791     return handler->IsStandard();
 792 }
 793
 794 Bool_t AliAnalysisTaskSE::Notify()
 795 {
 796     return (UserNotify());
 797 }
 798
 799 const AliEventTag *AliAnalysisTaskSE::EventTag() const
 800 {
 801 // Returns tag for the current event, if any. The return value should always be checked by the user.
 802    if (!fInputHandler) {
 803       Error("EventTag", "Input handler not yet available. Call this in UserExec");
 804       return NULL;
 805    }
 806    return fInputHandler->GetEventTag();
 807 }
 808
 809 void AliAnalysisTaskSE::LoadBranches() const
 810 {
 811 // Load all branches declared in fBranchNames data member of the parent class.
 812 // Should be called in UserExec.
 813   if (!fInputHandler) {
 814      Error("LoadBranches", "Input handler not available yet. Call this in UserExec");
 815      return;
 816   }
 817   AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
 818   if (mgr->GetAutoBranchLoading()) return;
 819   TString taskbranches;
 820   GetBranches(fInputHandler->GetDataType(), taskbranches);
 821   if (taskbranches.IsNull()) return;
 822   TObjArray *arr = taskbranches.Tokenize(",");
 823   TIter next(arr);
 824   TObject *obj;
 825   while ((obj=next())) mgr->LoadBranch(obj->GetName());
 826 }
 827
 828
 829 //_________________________________________________________________________________________________
 830 void AliAnalysisTaskSE::ConnectMultiHandler()
 831 {
 832    //
 833    // Connect MultiHandler
 834    //
 835    fInputHandler = (AliInputEventHandler *)((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
 836    fMultiInputHandler = dynamic_cast<AliMultiInputEventHandler *>(fInputHandler);
 837    if (fMultiInputHandler) {
 838       fInputHandler = dynamic_cast<AliInputEventHandler *>(fMultiInputHandler->GetFirstInputEventHandler());
 839       fMCEventHandler = dynamic_cast<AliMCEventHandler *>(fMultiInputHandler->GetFirstMCEventHandler());
 840    } else {
 841       fMCEventHandler = dynamic_cast<AliMCEventHandler *>((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
 842    }
 843    if (fMCEventHandler) fMCEvent = fMCEventHandler->MCEvent();
 844 }
 845
 846 //_________________________________________________________________________________________________
 847 void AliAnalysisTaskSE::DisconnectMultiHandler()
 848 {
 849    //
 850    // Disconnect MultiHandler
 851    //
 852    if (fMultiInputHandler) fInputHandler = fMultiInputHandler;
 853 }