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 "AliAODVZERO.h"
  37 #include "AliTOFHeader.h"
  38 #include "AliAODTracklets.h"
  39 #include "AliAODCaloCells.h"
  40 #include "AliAODCaloTrigger.h"
  41 #include "AliAODMCParticle.h"
  42 #include "AliVEvent.h"
  43 #include "AliAODHandler.h"
  44 #include "AliAODInputHandler.h"
  45 #include "AliMCEventHandler.h"
  46 #include "AliInputEventHandler.h"
  47 #include "AliMultiInputEventHandler.h"
  48 #include "AliESDInputHandler.h"
  49 #include "AliMCEvent.h"
  50 #include "AliStack.h"
  51 #include "AliLog.h"
  52 #include "AliAODDimuon.h"
  53
  54
  55 ClassImp(AliAnalysisTaskSE)
  56
  57 ////////////////////////////////////////////////////////////////////////
  58 AliAODHeader*    AliAnalysisTaskSE::fgAODHeader         = NULL;
  59 AliTOFHeader*    AliAnalysisTaskSE::fgTOFHeader         = NULL;
  60 AliAODVZERO*     AliAnalysisTaskSE::fgAODVZERO          = NULL;
  61 TClonesArray*    AliAnalysisTaskSE::fgAODTracks         = NULL;
  62 TClonesArray*    AliAnalysisTaskSE::fgAODVertices       = NULL;
  63 TClonesArray*    AliAnalysisTaskSE::fgAODV0s            = NULL;
  64 TClonesArray*    AliAnalysisTaskSE::fgAODPMDClusters    = NULL;
  65 TClonesArray*    AliAnalysisTaskSE::fgAODJets           = NULL;
  66 TClonesArray*    AliAnalysisTaskSE::fgAODFMDClusters    = NULL;
  67 TClonesArray*    AliAnalysisTaskSE::fgAODCaloClusters   = NULL;
  68 TClonesArray*    AliAnalysisTaskSE::fgAODMCParticles    = NULL;
  69 AliAODTracklets* AliAnalysisTaskSE::fgAODTracklets      = NULL;
  70 AliAODCaloCells* AliAnalysisTaskSE::fgAODEmcalCells     = NULL;
  71 AliAODCaloCells* AliAnalysisTaskSE::fgAODPhosCells      = NULL;
  72 AliAODCaloTrigger* AliAnalysisTaskSE::fgAODEMCALTrigger = NULL;
  73 AliAODCaloTrigger* AliAnalysisTaskSE::fgAODPHOSTrigger  = NULL;
  74 TClonesArray*    AliAnalysisTaskSE::fgAODDimuons        = NULL;
  75 TClonesArray*    AliAnalysisTaskSE::fgAODHmpidRings     = NULL;
  76
  77 AliAnalysisTaskSE::AliAnalysisTaskSE():
  78     AliAnalysisTask(),
  79     fDebug(0),
  80     fEntry(0),
  81     fInputEvent(0x0),
  82     fESDfriend(0x0),
  83     fInputHandler(0x0),
  84     fOutputAOD(0x0),
  85     fMCEvent(0x0),
  86     fTreeA(0x0),
  87     fCurrentRunNumber(-1),
  88     fHistosQA(0x0),
  89     fOfflineTriggerMask(0),
  90     fMultiInputHandler(0),
  91     fMCEventHandler(0)
  92 {
  93   // Default constructor
  94 }
  95
  96 AliAnalysisTaskSE::AliAnalysisTaskSE(const char* name):
  97     AliAnalysisTask(name, "AnalysisTaskSE"),
  98     fDebug(0),
  99     fEntry(0),
 100     fInputEvent(0x0),
 101     fESDfriend(0x0),
 102     fInputHandler(0x0),
 103     fOutputAOD(0x0),
 104     fMCEvent(0x0),
 105     fTreeA(0x0),
 106     fCurrentRunNumber(-1),
 107     fHistosQA(0x0),
 108     fOfflineTriggerMask(0),
 109     fMultiInputHandler(0),
 110     fMCEventHandler(0)
 111 {
 112   // Default constructor
 113     DefineInput (0, TChain::Class());
 114     DefineOutput(0,  TTree::Class());
 115 }
 116
 117 AliAnalysisTaskSE::AliAnalysisTaskSE(const AliAnalysisTaskSE& obj):
 118     AliAnalysisTask(obj),
 119     fDebug(0),
 120     fEntry(0),
 121     fInputEvent(0x0),
 122     fESDfriend(0x0),
 123     fInputHandler(0x0),
 124     fOutputAOD(0x0),
 125     fMCEvent(0x0),
 126     fTreeA(0x0),
 127     fCurrentRunNumber(-1),
 128     fHistosQA(0x0),
 129     fOfflineTriggerMask(0),
 130     fMultiInputHandler(obj.fMultiInputHandler),
 131     fMCEventHandler(obj.fMCEventHandler)
 132 {
 133 // Copy constructor
 134     fDebug            = obj.fDebug;
 135     fEntry            = obj.fEntry;
 136     fInputEvent       = obj.fInputEvent;
 137     fESDfriend        = obj.fESDfriend;
 138     fInputHandler     = obj.fInputHandler;
 139     fOutputAOD        = obj.fOutputAOD;
 140     fMCEvent          = obj.fMCEvent;
 141     fTreeA            = obj.fTreeA;
 142     fCurrentRunNumber = obj.fCurrentRunNumber;
 143     fHistosQA         = obj.fHistosQA;
 144
 145 }
 146
 147
 148 AliAnalysisTaskSE& AliAnalysisTaskSE::operator=(const AliAnalysisTaskSE& other)
 149 {
 150 // Assignment
 151   if(&other == this) return *this;
 152   AliAnalysisTask::operator=(other);
 153
 154     AliAnalysisTask::operator=(other);
 155     fDebug            = other.fDebug;
 156     fEntry            = other.fEntry;
 157     fInputEvent       = other.fInputEvent;
 158     fESDfriend        = other.fESDfriend;
 159     fInputHandler     = other.fInputHandler;
 160     fOutputAOD        = other.fOutputAOD;
 161     fMCEvent          = other.fMCEvent;
 162     fTreeA            = other.fTreeA;
 163     fCurrentRunNumber = other.fCurrentRunNumber;
 164     fHistosQA         = other.fHistosQA;
 165     fOfflineTriggerMask = other.fOfflineTriggerMask;
 166     fMultiInputHandler  = other.fMultiInputHandler;
 167     fMCEventHandler     = other.fMCEventHandler;
 168     return *this;
 169 }
 170
 171 //______________________________________________________________________________
 172 void AliAnalysisTaskSE::ConnectInputData(Option_t* /*option*/)
 173 {
 174 // Connect the input data
 175     if (fDebug > 1) printf("AnalysisTaskSE::ConnectInputData() \n");
 176
 177    // Connect input handlers (multi input handler is handled)
 178     ConnectMultiHandler();
 179
 180     if (fInputHandler && fInputHandler->GetTree()) {
 181         if (fInputHandler->GetTree()->GetBranch("ESDfriend."))
 182             fESDfriend = ((AliESDInputHandler*)fInputHandler)->GetESDfriend();
 183
 184         fInputEvent = fInputHandler->GetEvent();
 185     } else if( fMCEvent ) {
 186          AliWarning("No Input Event Handler connected, only MC Truth Event Handler") ;
 187     } else {
 188          AliError("No Input Event Handler connected") ;
 189          return ;
 190     }
 191     // Disconnect multi handler
 192     DisconnectMultiHandler();
 193 }
 194
 195 void AliAnalysisTaskSE::CreateOutputObjects()
 196 {
 197 // Create the output container
 198 //
 199 //  Default AOD
 200     if (fDebug > 1) printf("AnalysisTaskSE::CreateOutPutData() \n");
 201
 202     AliAODHandler* handler = dynamic_cast<AliAODHandler*>
 203          ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 204
 205     Bool_t merging = kFALSE;
 206     AliAODInputHandler* aodIH = static_cast<AliAODInputHandler*>((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
 207     if (aodIH) {
 208         if (aodIH->GetMergeEvents()) merging = kTRUE;
 209     }
 210
 211     // Check if AOD replication has been required
 212     if (handler) {
 213         fOutputAOD   = handler->GetAOD();
 214         fTreeA = handler->GetTree();
 215         if (fOutputAOD && !(handler->IsStandard())) {
 216             if ((handler->NeedsHeaderReplication() || merging) && !(fgAODHeader))
 217                 {
 218                  if (fDebug > 1) AliInfo("Replicating header");
 219                  fgAODHeader = new AliAODHeader;
 220                  handler->AddBranch("AliAODHeader", &fgAODHeader);
 221                 }
 222             if ((handler->NeedsTOFHeaderReplication() || merging) && !(fgTOFHeader))
 223                 {
 224                  if (fDebug > 1) AliInfo("Replicating TOFheader");
 225                  fgTOFHeader = new AliTOFHeader;
 226                  handler->AddBranch("AliTOFHeader", &fgTOFHeader);
 227                 }
 228             if ((handler->NeedsVZEROReplication() || merging) && !(fgAODVZERO))
 229                 {
 230                  if (fDebug > 1) AliInfo("Replicating VZERO");
 231                  fgAODVZERO = new AliAODVZERO;
 232                  handler->AddBranch("AliAODVZERO", &fgAODVZERO);
 233                 }
 234
 235             if ((handler->NeedsTracksBranchReplication() || merging) && !(fgAODTracks))
 236             {
 237                 if (fDebug > 1) AliInfo("Replicating track branch\n");
 238                 fgAODTracks = new TClonesArray("AliAODTrack",500);
 239                 fgAODTracks->SetName("tracks");
 240                 handler->AddBranch("TClonesArray", &fgAODTracks);
 241             }
 242             if ((handler->NeedsVerticesBranchReplication() || merging) && !(fgAODVertices))
 243             {
 244                 if (fDebug > 1) AliInfo("Replicating vertices branch\n");
 245                 fgAODVertices = new TClonesArray("AliAODVertex",500);
 246                 fgAODVertices->SetName("vertices");
 247                 handler->AddBranch("TClonesArray", &fgAODVertices);
 248             }
 249             if ((handler->NeedsV0sBranchReplication()) && !(fgAODV0s))
 250             {
 251                 if (fDebug > 1) AliInfo("Replicating V0s branch\n");
 252                 fgAODV0s = new TClonesArray("AliAODv0",500);
 253                 fgAODV0s->SetName("v0s");
 254                 handler->AddBranch("TClonesArray", &fgAODV0s);
 255             }
 256             if ((handler->NeedsTrackletsBranchReplication()) && !(fgAODTracklets))
 257             {
 258                 if (fDebug > 1) AliInfo("Replicating Tracklets branch\n");
 259                 fgAODTracklets = new AliAODTracklets("tracklets","tracklets");
 260                 handler->AddBranch("AliAODTracklets", &fgAODTracklets);
 261             }
 262             if ((handler->NeedsPMDClustersBranchReplication()) && !(fgAODPMDClusters))
 263             {
 264                 if (fDebug > 1) AliInfo("Replicating PMDClusters branch\n");
 265                 fgAODPMDClusters = new TClonesArray("AliAODPmdCluster",500);
 266                 fgAODPMDClusters->SetName("pmdClusters");
 267                 handler->AddBranch("TClonesArray", &fgAODPMDClusters);
 268             }
 269             if ((handler->NeedsJetsBranchReplication() || merging) && !(fgAODJets))
 270             {
 271                 if (fDebug > 1) AliInfo("Replicating Jets branch\n");
 272                 fgAODJets = new TClonesArray("AliAODJet",500);
 273                 fgAODJets->SetName("jets");
 274                 handler->AddBranch("TClonesArray", &fgAODJets);
 275             }
 276             if ((handler->NeedsFMDClustersBranchReplication()) && !(fgAODFMDClusters))
 277             {
 278                 AliInfo("Replicating FMDClusters branch\n");
 279                 fgAODFMDClusters = new TClonesArray("AliAODFmdCluster",500);
 280                 fgAODFMDClusters->SetName("fmdClusters");
 281                 handler->AddBranch("TClonesArray", &fgAODFMDClusters);
 282             }
 283             if ((handler->NeedsCaloClustersBranchReplication() || merging) && !(fgAODCaloClusters))
 284             {
 285                 if (fDebug > 1) AliInfo("Replicating CaloClusters branch\n");
 286                 fgAODCaloClusters = new TClonesArray("AliAODCaloCluster",500);
 287                 fgAODCaloClusters->SetName("caloClusters");
 288                 handler->AddBranch("TClonesArray", &fgAODCaloClusters);
 289
 290                 fgAODEmcalCells = new AliAODCaloCells("emcalCells","emcalCells",AliVCaloCells::kEMCALCell);
 291                 handler->AddBranch("AliAODCaloCells", &fgAODEmcalCells);
 292
 293                 fgAODPhosCells = new AliAODCaloCells("phosCells","phosCells",AliVCaloCells::kPHOSCell);
 294                 handler->AddBranch("AliAODCaloCells", &fgAODPhosCells);
 295                 }
 296             if ((handler->NeedsCaloTriggerBranchReplication() || merging) && !(fgAODEMCALTrigger))
 297             {
 298                 if (fDebug > 1) AliInfo("Replicating EMCAL Calo Trigger branches\n");
 299                 fgAODEMCALTrigger = new AliAODCaloTrigger("emcalTrigger","emcalTrigger");
 300                 handler->AddBranch("AliAODCaloTrigger", &fgAODEMCALTrigger);
 301                 }
 302                 if ((handler->NeedsCaloTriggerBranchReplication() || merging) && !(fgAODPHOSTrigger))
 303                 {
 304                 if (fDebug > 1) AliInfo("Replicating PHOS Calo Trigger branches\n");
 305                 fgAODPHOSTrigger = new AliAODCaloTrigger("phosTrigger","phosTrigger");
 306                 handler->AddBranch("AliAODCaloTrigger", &fgAODPHOSTrigger);
 307             }
 308             if ((handler->NeedsMCParticlesBranchReplication() || merging) && !(fgAODMCParticles))
 309             {
 310                 if (fDebug > 1) AliInfo("Replicating MCParticles branch\n");
 311                 fgAODMCParticles = new TClonesArray("AliAODMCParticle",500);
 312                 fgAODMCParticles->SetName("mcparticles");
 313                 handler->AddBranch("TClonesArray", &fgAODMCParticles);
 314             }
 315             if ((handler->NeedsDimuonsBranchReplication() || merging) && !(fgAODDimuons))
 316             {
 317                 if (fDebug > 1) AliInfo("Replicating dimuon branch\n");
 318                 fgAODDimuons = new TClonesArray("AliAODDimuon",0);
 319                 fgAODDimuons->SetName("dimuons");
 320                 handler->AddBranch("TClonesArray", &fgAODDimuons);
 321             }
 322             if ((handler->NeedsHMPIDBranchReplication() || merging) && !(fgAODHmpidRings))
 323             {
 324                 if (fDebug > 1) AliInfo("Replicating HMPID branch\n");
 325                 fgAODHmpidRings = new TClonesArray("AliAODHMPIDrings",0);
 326                 fgAODHmpidRings->SetName("hmpidRings");
 327                 handler->AddBranch("TClonesArray", &fgAODHmpidRings);
 328             }
 329
 330
 331             // cache the pointerd in the AODEvent
 332             fOutputAOD->GetStdContent();
 333         }
 334     }
 335     ConnectMultiHandler();
 336     UserCreateOutputObjects();
 337     DisconnectMultiHandler();
 338 }
 339
 340 void AliAnalysisTaskSE::Exec(Option_t* option)
 341 {
 342 //
 343 // Exec analysis of one event
 344
 345     ConnectMultiHandler();
 346     AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
 347     if (mgr->GetDebugLevel() > 1) {
 348        if (!mgr->GetTopTasks()->FindObject(this))
 349           printf("    -> Executing sub-task %s\n", GetName());
 350     }
 351     if ( fDebug >= 10)
 352       printf("Task is active %5d\n", IsActive());
 353
 354     if (fDebug > 1) AliInfo("AliAnalysisTaskSE::Exec() \n");
 355 //
 356     AliAODHandler* handler = dynamic_cast<AliAODHandler*>(mgr->GetOutputEventHandler());
 357
 358     AliAODInputHandler* aodH = dynamic_cast<AliAODInputHandler*>(fInputHandler);
 359 //
 360 // Was event selected ? If no event selection mechanism, the event SHOULD be selected (AG)
 361     UInt_t isSelected = AliVEvent::kAny;
 362     if( fInputHandler && (fInputHandler->GetEventSelection() || aodH)) {
 363       // Get the actual offline trigger mask for the event and AND it with the
 364       // requested mask. If no mask requested select by default the event.
 365       if (fOfflineTriggerMask)
 366         isSelected = fOfflineTriggerMask & fInputHandler->IsEventSelected();
 367     }
 368 //  Functionality below moved in the filter tasks (AG)
 369 //    if (handler) handler->SetFillAOD(isSelected);
 370
 371     if( fInputHandler ) {
 372       fEntry = fInputHandler->GetReadEntry();
 373       fESDfriend = ((AliESDInputHandler*)fInputHandler)->GetESDfriend();
 374     }
 375
 376
 377     // Notify the change of run number
 378     if (InputEvent() && (InputEvent()->GetRunNumber() != fCurrentRunNumber)) {
 379         fCurrentRunNumber = InputEvent()->GetRunNumber();
 380         NotifyRun();
 381     } else if( fMCEvent )
 382       fEntry = fMCEvent->Header()->GetEvent();
 383
 384     if ( !((Entry()-1)%100) && fDebug > 0)
 385       AliInfo(Form("%s ----> Processing event # %lld", CurrentFileName(), Entry()));
 386
 387     if (aodH) fMCEvent = aodH->MCEvent();
 388
 389     if (handler && aodH) {
 390         Bool_t merging = aodH->GetMergeEvents();
 391         // Do not analyze merged events if last embedded file has less events than normal event,
 392         // skip analysis after last embeded event
 393         if(merging){
 394           if(aodH->GetReadEntry() + aodH->GetMergeOffset() >= aodH->GetTreeToMerge()->GetEntriesFast()){
 395             // Do I need to add the lines before the return?
 396             // Added protection in case the derived task is not an AOD producer.
 397             AliAnalysisDataSlot *out0 = GetOutputSlot(0);
 398             if (out0 && out0->IsConnected()) PostData(0, fTreeA);
 399             DisconnectMultiHandler();
 400             return;
 401           }
 402         }
 403
 404         AliAODEvent* aod = dynamic_cast<AliAODEvent*>(InputEvent());
 405
 406         if (aod && !(handler->IsStandard()) && !(handler->AODIsReplicated())) {
 407             if ((handler->NeedsHeaderReplication() || merging) && (fgAODHeader))
 408             {
 409               // copy the contents by assigment
 410               *fgAODHeader =  *(aod->GetHeader());
 411             }
 412             if ((handler->NeedsTOFHeaderReplication() || merging) && (fgTOFHeader))
 413             {
 414               if (aod->GetTOFHeader()) *fgTOFHeader =  *(aod->GetTOFHeader());
 415             }
 416             if ((handler->NeedsVZEROReplication() || merging) && (fgAODVZERO) && aod->GetVZEROData())
 417             {
 418               *fgAODVZERO = *(aod->GetVZEROData());
 419             }
 420
 421             if ((handler->NeedsTracksBranchReplication() || (merging &&  aodH->GetMergeTracks())) && (fgAODTracks))
 422             {
 423                 TClonesArray* tracks = aod->GetTracks();
 424                 new (fgAODTracks) TClonesArray(*tracks);
 425             }
 426             if ((handler->NeedsVerticesBranchReplication() || merging) && (fgAODVertices))
 427             {
 428                 TClonesArray* vertices = aod->GetVertices();
 429                 new (fgAODVertices) TClonesArray(*vertices);
 430             }
 431             if ((handler->NeedsV0sBranchReplication()) && (fgAODV0s))
 432             {
 433                 TClonesArray* v0s = aod->GetV0s();
 434                 new (fgAODV0s) TClonesArray(*v0s);
 435             }
 436             if ((handler->NeedsTrackletsBranchReplication()) && (fgAODTracklets))
 437             {
 438               *fgAODTracklets = *aod->GetTracklets();
 439             }
 440             if ((handler->NeedsPMDClustersBranchReplication()) && (fgAODPMDClusters))
 441             {
 442                 TClonesArray* pmdClusters = aod->GetPmdClusters();
 443                 new (fgAODPMDClusters) TClonesArray(*pmdClusters);
 444             }
 445             if ((handler->NeedsJetsBranchReplication() || (merging &&aodH->GetMergeTracks())) && (fgAODJets))
 446             {
 447                 TClonesArray* jets = aod->GetJets();
 448                 new (fgAODJets) TClonesArray(*jets);
 449             }
 450             if ((handler->NeedsFMDClustersBranchReplication()) && (fgAODFMDClusters))
 451             {
 452                 TClonesArray* fmdClusters = aod->GetFmdClusters();
 453                 new (fgAODFMDClusters) TClonesArray(*fmdClusters);
 454             }
 455             if ((handler->NeedsCaloClustersBranchReplication() ||
 456                  (merging && (aodH->GetMergeEMCALClusters() || aodH->GetMergePHOSClusters())))
 457                 && (fgAODCaloClusters))
 458             {
 459                 TClonesArray* caloClusters = aod->GetCaloClusters();
 460                 new (fgAODCaloClusters) TClonesArray(*caloClusters);
 461             }
 462
 463             if ((handler->NeedsMCParticlesBranchReplication() || merging) && (fgAODMCParticles))
 464             {
 465                 TClonesArray* mcParticles = (TClonesArray*) (aod->FindListObject("mcparticles"));
 466                 if( mcParticles )
 467                   new (fgAODMCParticles) TClonesArray(*mcParticles);
 468             }
 469
 470             if ((handler->NeedsDimuonsBranchReplication() || (merging && aodH->GetMergeTracks())) && (fgAODDimuons))
 471             {
 472                 fgAODDimuons->Clear();
 473                 TClonesArray& dimuons = *fgAODDimuons;
 474                 TClonesArray& tracksnew = *fgAODTracks;
 475
 476                 Int_t nMuonTrack[100];
 477                 for(Int_t imuon = 0; imuon < 100; imuon++) nMuonTrack[imuon] = 0;
 478                 Int_t nMuons=0;
 479                 for(Int_t ii=0; ii < fgAODTracks->GetEntries(); ii++){
 480                     AliAODTrack *track = (AliAODTrack*) fgAODTracks->At(ii);
 481                     if(track->IsMuonTrack()) {
 482                         nMuonTrack[nMuons]= ii;
 483                         nMuons++;
 484                     }
 485                 }
 486                 Int_t jDimuons=0;
 487                 if(nMuons >= 2){
 488                     for(Int_t i = 0; i < nMuons; i++){
 489                         Int_t index0 = nMuonTrack[i];
 490                         for(Int_t j = i+1; j < nMuons; j++){
 491                             Int_t index1 = nMuonTrack[j];
 492                             tracksnew.At(index0)->ResetBit(kIsReferenced);
 493                             tracksnew.At(index0)->SetUniqueID(0);
 494                             tracksnew.At(index1)->ResetBit(kIsReferenced);
 495                             tracksnew.At(index1)->SetUniqueID(0);
 496                             new(dimuons[jDimuons++]) AliAODDimuon(tracksnew.At(index0),tracksnew.At(index1));
 497                         }
 498                     }
 499                 }
 500             }
 501             if ((handler->NeedsHMPIDBranchReplication()) && (fgAODHmpidRings))
 502             {
 503                 TClonesArray* hmpidRings = aod->GetHMPIDrings();
 504                 new (fgAODHmpidRings) TClonesArray(*hmpidRings);
 505             }
 506
 507
 508
 509             // Additional merging if needed
 510             if (merging) {
 511               Int_t nc;
 512
 513                 // mcParticles
 514                 TClonesArray* mcparticles = (TClonesArray*) ((aodH->GetEventToMerge())->FindListObject("mcparticles"));
 515                 if( mcparticles ){
 516                   Int_t npart = mcparticles->GetEntries();
 517                   nc = fgAODMCParticles->GetEntries();
 518
 519                   for (Int_t i = 0; i < npart; i++) {
 520                     AliAODMCParticle* particle = (AliAODMCParticle*) mcparticles->At(i);
 521                     new((*fgAODMCParticles)[nc++]) AliAODMCParticle(*particle);
 522                   }
 523                 }
 524
 525                 // tracks
 526                 TClonesArray* tracks = aodH->GetEventToMerge()->GetTracks();
 527                 if(tracks && aodH->GetMergeTracks()){
 528                   Int_t ntr = tracks->GetEntries();
 529                   nc  = fgAODTracks->GetEntries();
 530                   for (Int_t i = 0; i < ntr; i++) {
 531                     AliAODTrack*    track = (AliAODTrack*) tracks->At(i);
 532                     AliAODTrack* newtrack = new((*fgAODTracks)[nc++]) AliAODTrack(*track);
 533                     newtrack->SetLabel(newtrack->GetLabel() + fgAODMCParticles->GetEntries());
 534                   }
 535
 536                   for (Int_t i = 0; i < nc; i++)
 537                     {
 538                       AliAODTrack* track = (AliAODTrack*) fgAODTracks->At(i);
 539                       track->ResetBit(kIsReferenced);
 540                       track->SetUniqueID(0);
 541                     }
 542                 }
 543
 544                 // clusters
 545                 TClonesArray* clusters = aodH->GetEventToMerge()->GetCaloClusters();
 546                 if( clusters  && (aodH->GetMergeEMCALClusters() || aodH->GetMergePHOSClusters())) {
 547                   Int_t ncl  = clusters->GetEntries();
 548                   nc         =  fgAODCaloClusters->GetEntries();
 549                   for (Int_t i = 0; i < ncl; i++) {
 550                     AliAODCaloCluster*    cluster = (AliAODCaloCluster*) clusters->At(i);
 551                     if(cluster->IsEMCAL() && !aodH->GetMergeEMCALClusters() ) continue;
 552                     if(cluster->IsPHOS()  && !aodH->GetMergePHOSClusters()  ) continue;
 553                     new((*fgAODCaloClusters)[nc++]) AliAODCaloCluster(*cluster);
 554                   }
 555                 }
 556
 557                 // EMCAL cells
 558                 //*fgAODEmcalCells =  *(aod->GetEMCALCells()); // This will be valid after 10.Mar.2011.
 559                 if(aodH->GetMergeEMCALCells())
 560                   {
 561                     AliAODCaloCells* copycells = aod->GetEMCALCells();
 562                     fgAODEmcalCells->CreateContainer(copycells->GetNumberOfCells());
 563                     nc  = copycells->GetNumberOfCells();
 564
 565                     while( nc-- ){ fgAODEmcalCells->SetCell(nc,copycells->GetCellNumber(nc),copycells->GetAmplitude(nc),
 566                                                             copycells->GetTime(nc),copycells->GetMCLabel(nc),copycells->GetEFraction(nc)); }
 567
 568                     AliAODCaloCells* cellsA = aodH->GetEventToMerge()->GetEMCALCells();
 569                     if( cellsA )
 570                       {
 571                         Int_t ncells  = cellsA->GetNumberOfCells();
 572                         nc = fgAODEmcalCells->GetNumberOfCells();
 573
 574                         for (Int_t i  = 0; i < ncells; i++)
 575                           {
 576                             Int_t cn  = cellsA->GetCellNumber(i);
 577                             Int_t pos = fgAODEmcalCells->GetCellPosition(cn);
 578
 579                             if (pos >= 0)
 580                               {
 581                                 Double_t amp = cellsA->GetAmplitude(i) + fgAODEmcalCells->GetAmplitude(pos);
 582
 583                                 //Check if it is MC, depending on that assing the mc lable, time and e fraction
 584 //                              Double_t time    = 0;
 585                                 Int_t    mclabel =-1;
 586                                 Double_t efrac   = 0;
 587                                 if(cellsA->GetMCLabel(i) >= 0 && fgAODEmcalCells->GetMCLabel(pos) < 0)
 588                                   {
 589                                     mclabel = cellsA->GetMCLabel(i) ;
 590 //                                  time    = fgAODEmcalCells->GetTime(pos) ; // Time from data
 591                                     if(amp > 0) efrac = cellsA->GetAmplitude(i) / amp;
 592                                   }
 593                                 else if(fgAODEmcalCells->GetMCLabel(pos) >= 0 &&  cellsA->GetMCLabel(i) < 0)
 594                                   {
 595                                     mclabel = fgAODEmcalCells->GetMCLabel(pos) ;
 596 //                                  time    = cellsA->GetTime(i) ; // Time from data
 597                                     if(amp > 0) efrac = fgAODEmcalCells->GetAmplitude(pos) / amp;
 598                                   }
 599                                 else
 600                                   { // take all from input
 601                                     mclabel = cellsA->GetMCLabel(i) ;
 602 //                                  time    = cellsA->GetTime(i) ;
 603                                     if(amp > 0) efrac = cellsA->GetAmplitude(i) / amp;
 604                                   }
 605
 606                                 fgAODEmcalCells->SetCell(pos, cn, amp,cellsA->GetTime(i),mclabel,efrac);
 607
 608                               } else
 609                               {
 610                                 AliAODCaloCells* copycells1 = new AliAODCaloCells(*fgAODEmcalCells);
 611                                 fgAODEmcalCells->CreateContainer(nc+1);
 612                                 Int_t nn = copycells1->GetNumberOfCells();
 613
 614                                 while( nn-- ){ fgAODEmcalCells->SetCell(nn,copycells1->GetCellNumber(nn),copycells1->GetAmplitude(nn),
 615                                                                         copycells1->GetTime(nn),copycells1->GetMCLabel(nn),copycells1->GetEFraction(nn)); }
 616
 617                                 fgAODEmcalCells->SetCell(nc++,cn,cellsA->GetAmplitude(i),cellsA->GetTime(i), cellsA->GetMCLabel(i),1.);
 618
 619                                 delete copycells1;
 620                               }
 621                           }
 622                         fgAODEmcalCells->Sort();
 623                       }
 624                   } // merge emcal cells
 625
 626
 627                 // PHOS cells
 628                 //*fgAODPhosCells =  *(aod->GetPHOSCells()); // This will be valid after 10.Mar.2011.
 629                 if(aodH->GetMergePHOSCells())
 630                   {
 631                     AliAODCaloCells* copycells = aod->GetPHOSCells();
 632                     fgAODPhosCells->CreateContainer(copycells->GetNumberOfCells());
 633                     nc  = copycells->GetNumberOfCells();
 634
 635                     while( nc-- ){ fgAODPhosCells->SetCell(nc,copycells->GetCellNumber(nc),copycells->GetAmplitude(nc),
 636                                                            copycells->GetTime(nc),copycells->GetMCLabel(nc),copycells->GetEFraction(nc)); }
 637
 638                     AliAODCaloCells* cellsP = aodH->GetEventToMerge()->GetPHOSCells();
 639                     if( cellsP )
 640                       {
 641                         Int_t ncellsP  = cellsP->GetNumberOfCells();
 642                         nc = fgAODPhosCells->GetNumberOfCells();
 643
 644                         for (Int_t i  = 0; i < ncellsP; i++)
 645                           {
 646                             Int_t cn  = cellsP->GetCellNumber(i);
 647                             Int_t pos = fgAODPhosCells->GetCellPosition(cn);
 648
 649                             if (pos >= 0)
 650                               {
 651                                 Double_t amp = cellsP->GetAmplitude(i) + fgAODPhosCells->GetAmplitude(pos);
 652
 653                                 //Check if it is MC, depending on that assing the mc lable, time and e fraction
 654 //                              Double_t time    = 0;
 655                                 Int_t    mclabel =-1;
 656                                 Double_t    efrac   = 0;
 657                                 if(cellsP->GetMCLabel(i) >= 0 && fgAODPhosCells->GetMCLabel(pos) < 0)
 658                                   {
 659                                     mclabel = cellsP->GetMCLabel(i) ;
 660 //                                  time    = fgAODPhosCells->GetTime(pos) ; // Time from data
 661                                     if(amp > 0) efrac = cellsP->GetAmplitude(i) / amp;
 662                                   }
 663                                 else if(fgAODPhosCells->GetMCLabel(pos) >= 0 &&  cellsP->GetMCLabel(i) < 0)
 664                                   {
 665                                     mclabel = fgAODPhosCells->GetMCLabel(pos) ;
 666 //                                  time    = cellsP->GetTime(i) ; // Time from data
 667                                     if(amp > 0) efrac = fgAODPhosCells->GetAmplitude(pos) / amp;
 668                                   }
 669                                 else
 670                                   { // take all from input
 671                                     mclabel = cellsP->GetMCLabel(i) ;
 672 //                                  time    = cellsP->GetTime(i) ;
 673                                     if(amp > 0) efrac = cellsP->GetAmplitude(i) / amp;
 674                                   }
 675
 676                                 fgAODPhosCells->SetCell(pos, cn, amp,cellsP->GetTime(i),mclabel,efrac);
 677
 678                               } else
 679                               {
 680                                 AliAODCaloCells* copycells1 = new AliAODCaloCells(*fgAODPhosCells);
 681                                 fgAODPhosCells->CreateContainer(nc+1);
 682                                 Int_t nn = copycells1->GetNumberOfCells();
 683
 684                                 while( nn-- ){ fgAODPhosCells->SetCell(nn,copycells1->GetCellNumber(nn),copycells1->GetAmplitude(nn),
 685                                                                        copycells1->GetTime(nn),copycells1->GetMCLabel(nn),copycells1->GetEFraction(nn)); }
 686
 687                                 fgAODPhosCells->SetCell(nc++,cn,cellsP->GetAmplitude(i),cellsP->GetTime(i), cellsP->GetMCLabel(i),1.);
 688
 689                                 delete copycells1;
 690                               }
 691                           }
 692                         fgAODPhosCells->Sort();
 693                       }
 694                   } // Merge PHOS Cells
 695
 696                 if (aodH->GetMergeEMCALTrigger() && aod->GetCaloTrigger("EMCAL"))
 697                 {
 698                         Int_t   tsEMCAL[48][64], px, py, ts;
 699                         Float_t foEMCAL[48][64], am;
 700
 701                         for (Int_t i = 0; i < 48; i++) for (Int_t j = 0; j < 64; j++)
 702                         {
 703                                 tsEMCAL[i][j] = 0;
 704                                 foEMCAL[i][j] = 0.;
 705                         }
 706
 707       AliAODCaloTrigger& trg0 = *(aod->GetCaloTrigger("EMCAL"));
 708       trg0.Reset();
 709       while (trg0.Next())
 710       {
 711         trg0.GetPosition(px, py);
 712
 713         if (px > -1 && py > -1)
 714         {
 715           trg0.GetL1TimeSum(ts);
 716           if (ts > -1) tsEMCAL[px][py] += ts;
 717
 718           trg0.GetAmplitude(am);
 719           if (am > -1) foEMCAL[px][py] += am;
 720         }
 721       }
 722
 723       AliAODCaloTrigger& trg1 = *((aodH->GetEventToMerge())->GetCaloTrigger("EMCAL"));
 724
 725       trg1.Reset();
 726       while (trg1.Next())
 727       {
 728         trg1.GetPosition(px, py);
 729
 730         if (px > -1 && py > -1)
 731         {
 732           trg1.GetL1TimeSum(ts);
 733           if (ts > -1) tsEMCAL[px][py] += ts;
 734
 735           trg1.GetAmplitude(am);
 736           if (am > -1) foEMCAL[px][py] += am;
 737         }
 738       }
 739
 740       int nEntries = 0;
 741       for (Int_t i = 0; i < 48; i++)
 742         for (Int_t j = 0; j < 64; j++)
 743           if (tsEMCAL[i][j] || foEMCAL[i][j]) nEntries++;
 744
 745       fgAODEMCALTrigger->Allocate(nEntries);
 746       Int_t timesL0[10]; for (int i = 0; i < 10; i++) timesL0[i] = -1;
 747
 748       for (Int_t i = 0; i < 48; i++)
 749         for (Int_t j = 0; j < 64; j++)
 750           if (tsEMCAL[i][j] || foEMCAL[i][j])
 751             fgAODEMCALTrigger->Add(i, j, foEMCAL[i][j], -1., timesL0, 0, tsEMCAL[i][j], 0);
 752     }
 753
 754                 if (aodH->GetMergePHOSTrigger())
 755                 {
 756                         // To be implemented by PHOS
 757                 }
 758             } // merging
 759
 760             handler->SetAODIsReplicated();
 761         }
 762     }
 763
 764
 765 // Call the user analysis
 766         if (isSelected) UserExec(option);
 767
 768 // Added protection in case the derived task is not an AOD producer.
 769     AliAnalysisDataSlot *out0 = GetOutputSlot(0);
 770     if (out0 && out0->IsConnected()) PostData(0, fTreeA);
 771
 772     DisconnectMultiHandler();
 773 }
 774
 775 const char* AliAnalysisTaskSE::CurrentFileName()
 776 {
 777 // Returns the current file name
 778     if( fInputHandler )
 779       return fInputHandler->GetTree()->GetCurrentFile()->GetName();
 780     else if( fMCEvent )
 781       return ((AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()))->TreeK()->GetCurrentFile()->GetName();
 782     else return "";
 783 }
 784
 785 void AliAnalysisTaskSE::AddAODBranch(const char* cname, void* addobj, const char *fname)
 786 {
 787     // Add a new branch to the aod tree
 788     AliAODHandler* handler = dynamic_cast<AliAODHandler*>
 789         ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 790     if (handler) {
 791         handler->AddBranch(cname, addobj, fname);
 792     }
 793 }
 794
 795 Bool_t AliAnalysisTaskSE::IsStandardAOD() const
 796 {
 797 // Check if the output AOD handler is configured for standard or delta AOD.
 798 // Users should first check that AODEvent() returns non-null.
 799     AliAODHandler* handler = dynamic_cast<AliAODHandler*>
 800          ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 801     if (!handler) {
 802        Error("IsStandardAOD", "No AOD handler. Please use AODEvent() to check this first");
 803        return kTRUE;
 804     }
 805     return handler->IsStandard();
 806 }
 807
 808 Bool_t AliAnalysisTaskSE::Notify()
 809 {
 810     return (UserNotify());
 811 }
 812
 813 const AliEventTag *AliAnalysisTaskSE::EventTag() const
 814 {
 815 // Returns tag for the current event, if any. The return value should always be checked by the user.
 816    if (!fInputHandler) {
 817       Error("EventTag", "Input handler not yet available. Call this in UserExec");
 818       return NULL;
 819    }
 820    return fInputHandler->GetEventTag();
 821 }
 822
 823 void AliAnalysisTaskSE::LoadBranches() const
 824 {
 825 // Load all branches declared in fBranchNames data member of the parent class.
 826 // Should be called in UserExec.
 827   if (!fInputHandler) {
 828      Error("LoadBranches", "Input handler not available yet. Call this in UserExec");
 829      return;
 830   }
 831   AliAnalysisManager *mgr = AliAnalysisManager::GetAnalysisManager();
 832   if (mgr->GetAutoBranchLoading()) return;
 833   TString taskbranches;
 834   GetBranches(fInputHandler->GetDataType(), taskbranches);
 835   if (taskbranches.IsNull()) return;
 836   TObjArray *arr = taskbranches.Tokenize(",");
 837   TIter next(arr);
 838   TObject *obj;
 839   while ((obj=next())) mgr->LoadBranch(obj->GetName());
 840   delete arr;
 841 }
 842
 843
 844 //_________________________________________________________________________________________________
 845 void AliAnalysisTaskSE::ConnectMultiHandler()
 846 {
 847    //
 848    // Connect MultiHandler
 849    //
 850    fInputHandler = (AliInputEventHandler *)((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
 851    fMultiInputHandler = dynamic_cast<AliMultiInputEventHandler *>(fInputHandler);
 852    if (fMultiInputHandler) {
 853       fInputHandler = dynamic_cast<AliInputEventHandler *>(fMultiInputHandler->GetFirstInputEventHandler());
 854       fMCEventHandler = dynamic_cast<AliInputEventHandler *>(fMultiInputHandler->GetFirstMCEventHandler());
 855    } else {
 856       fMCEventHandler = dynamic_cast<AliInputEventHandler *>((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
 857    }
 858    if (fMCEventHandler) fMCEvent = fMCEventHandler->MCEvent();
 859 }
 860
 861 //_________________________________________________________________________________________________
 862 void AliAnalysisTaskSE::DisconnectMultiHandler()
 863 {
 864    //
 865    // Disconnect MultiHandler
 866    //
 867    if (fMultiInputHandler) fInputHandler = fMultiInputHandler;
 868 }