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 "AliAnalysisDataSlot.h"
  28 #include "AliESDEvent.h"
  29 #include "AliESD.h"
  30 #include "AliAODEvent.h"
  31 #include "AliAODHeader.h"
  32 #include "AliAODTracklets.h"
  33 #include "AliAODCaloCells.h"
  34 #include "AliAODMCParticle.h"
  35 #include "AliVEvent.h"
  36 #include "AliAODHandler.h"
  37 #include "AliAODInputHandler.h"
  38 #include "AliMCEventHandler.h"
  39 #include "AliInputEventHandler.h"
  40 #include "AliMCEvent.h"
  41 #include "AliStack.h"
  42 #include "AliLog.h"
  43
  44
  45 ClassImp(AliAnalysisTaskSE)
  46
  47 ////////////////////////////////////////////////////////////////////////
  48 AliAODHeader*    AliAnalysisTaskSE::fgAODHeader        = NULL;
  49 TClonesArray*    AliAnalysisTaskSE::fgAODTracks        = NULL;
  50 TClonesArray*    AliAnalysisTaskSE::fgAODVertices      = NULL;
  51 TClonesArray*    AliAnalysisTaskSE::fgAODV0s           = NULL;
  52 TClonesArray*    AliAnalysisTaskSE::fgAODPMDClusters   = NULL;
  53 TClonesArray*    AliAnalysisTaskSE::fgAODJets          = NULL;
  54 TClonesArray*    AliAnalysisTaskSE::fgAODFMDClusters   = NULL;
  55 TClonesArray*    AliAnalysisTaskSE::fgAODCaloClusters  = NULL;
  56 TClonesArray*    AliAnalysisTaskSE::fgAODMCParticles   = NULL;
  57 AliAODTracklets* AliAnalysisTaskSE::fgAODTracklets     = NULL;
  58 AliAODCaloCells* AliAnalysisTaskSE::fgAODEmcalCells    = NULL;
  59 AliAODCaloCells* AliAnalysisTaskSE::fgAODPhosCells     = NULL;
  60
  61
  62 AliAnalysisTaskSE::AliAnalysisTaskSE():
  63     AliAnalysisTask(),
  64     fDebug(0),
  65     fEntry(0),
  66     fInputEvent(0x0),
  67     fInputHandler(0x0),
  68     fOutputAOD(0x0),
  69     fMCEvent(0x0),
  70     fTreeA(0x0),
  71     fCurrentRunNumber(-1),
  72     fHistosQA(0x0)
  73 {
  74   // Default constructor
  75 }
  76
  77 AliAnalysisTaskSE::AliAnalysisTaskSE(const char* name):
  78     AliAnalysisTask(name, "AnalysisTaskSE"),
  79     fDebug(0),
  80     fEntry(0),
  81     fInputEvent(0x0),
  82     fInputHandler(0x0),
  83     fOutputAOD(0x0),
  84     fMCEvent(0x0),
  85     fTreeA(0x0),
  86     fCurrentRunNumber(-1),
  87     fHistosQA(0x0)
  88 {
  89   // Default constructor
  90     DefineInput (0, TChain::Class());
  91     DefineOutput(0,  TTree::Class());
  92 }
  93
  94 AliAnalysisTaskSE::AliAnalysisTaskSE(const AliAnalysisTaskSE& obj):
  95     AliAnalysisTask(obj),
  96     fDebug(0),
  97     fEntry(0),
  98     fInputEvent(0x0),
  99     fInputHandler(0x0),
 100     fOutputAOD(0x0),
 101     fMCEvent(0x0),
 102     fTreeA(0x0),
 103     fCurrentRunNumber(-1),
 104     fHistosQA(0x0)
 105 {
 106 // Copy constructor
 107     fDebug            = obj.fDebug;
 108     fEntry            = obj.fEntry;
 109     fInputEvent       = obj.fInputEvent;
 110     fInputHandler     = obj.fInputHandler;
 111     fOutputAOD        = obj.fOutputAOD;
 112     fMCEvent          = obj.fMCEvent;
 113     fTreeA            = obj.fTreeA;
 114     fCurrentRunNumber = obj.fCurrentRunNumber;
 115     fHistosQA         = obj.fHistosQA;
 116 }
 117
 118
 119 AliAnalysisTaskSE& AliAnalysisTaskSE::operator=(const AliAnalysisTaskSE& other)
 120 {
 121 // Assignment
 122     AliAnalysisTask::operator=(other);
 123     fDebug            = other.fDebug;
 124     fEntry            = other.fEntry;
 125     fInputEvent       = other.fInputEvent;
 126     fInputHandler     = other.fInputHandler;
 127     fOutputAOD        = other.fOutputAOD;
 128     fMCEvent          = other.fMCEvent;
 129     fTreeA            = other.fTreeA;
 130     fCurrentRunNumber = other.fCurrentRunNumber;
 131     fHistosQA         = other.fHistosQA;
 132     return *this;
 133 }
 134
 135
 136 void AliAnalysisTaskSE::ConnectInputData(Option_t* /*option*/)
 137 {
 138 // Connect the input data
 139     if (fDebug > 1) printf("AnalysisTaskSE::ConnectInputData() \n");
 140 //
 141 //  ESD
 142 //
 143     fInputHandler = (AliInputEventHandler*)
 144          ((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
 145 //
 146 //  Monte Carlo
 147 //
 148     AliMCEventHandler*    mcH = 0;
 149     mcH = (AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
 150     if (mcH) {
 151         fMCEvent = mcH->MCEvent();
 152     }
 153
 154     if (fInputHandler) {
 155          fInputEvent = fInputHandler->GetEvent();
 156     } else if( fMCEvent ) {
 157          AliWarning("No Input Event Handler connected, only MC Truth Event Handler") ;
 158     } else {
 159          AliError("No Input Event Handler connected") ;
 160          return ;
 161     }
 162 }
 163
 164 void AliAnalysisTaskSE::CreateOutputObjects()
 165 {
 166 // Create the output container
 167 //
 168 //  Default AOD
 169     if (fDebug > 1) printf("AnalysisTaskSE::CreateOutPutData() \n");
 170
 171     AliAODHandler* handler = (AliAODHandler*)
 172          ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 173
 174     Bool_t merging = kFALSE;
 175     AliAODInputHandler* aodIH = static_cast<AliAODInputHandler*>((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
 176     if (aodIH) {
 177         if (aodIH->GetMergeEvents()) merging = kTRUE;
 178     }
 179
 180     // Check if AOD replication has been required
 181
 182     if (handler) {
 183         fOutputAOD   = handler->GetAOD();
 184         fTreeA = handler->GetTree();
 185         if (!(handler->IsStandard())) {
 186             if ((handler->NeedsHeaderReplication()) && !(fgAODHeader))
 187                 {
 188                  if (fDebug > 1) AliInfo("Replicating header");
 189                  fgAODHeader = new AliAODHeader;
 190                  handler->AddBranch("AliAODHeader", &fgAODHeader);
 191                 }
 192             if ((handler->NeedsTracksBranchReplication() || merging) && !(fgAODTracks))
 193             {
 194                 if (fDebug > 1) AliInfo("Replicating track branch\n");
 195                 fgAODTracks = new TClonesArray("AliAODTrack",500);
 196                 fgAODTracks->SetName("tracks");
 197                 handler->AddBranch("TClonesArray", &fgAODTracks);
 198             }
 199             if ((handler->NeedsVerticesBranchReplication() || merging) && !(fgAODVertices))
 200             {
 201                 if (fDebug > 1) AliInfo("Replicating vertices branch\n");
 202                 fgAODVertices = new TClonesArray("AliAODVertex",500);
 203                 fgAODVertices->SetName("vertices");
 204                 handler->AddBranch("TClonesArray", &fgAODVertices);
 205             }
 206             if ((handler->NeedsV0sBranchReplication()) && !(fgAODV0s))
 207             {
 208                 if (fDebug > 1) AliInfo("Replicating V0s branch\n");
 209                 fgAODV0s = new TClonesArray("AliAODv0",500);
 210                 fgAODV0s->SetName("v0s");
 211                 handler->AddBranch("TClonesArray", &fgAODV0s);
 212             }
 213             if ((handler->NeedsTrackletsBranchReplication()) && !(fgAODTracklets))
 214             {
 215                 if (fDebug > 1) AliInfo("Replicating Tracklets branch\n");
 216                 fgAODTracklets = new AliAODTracklets("tracklets","tracklets");
 217                 handler->AddBranch("AliAODTracklets", &fgAODTracklets);
 218             }
 219             if ((handler->NeedsPMDClustersBranchReplication()) && !(fgAODPMDClusters))
 220             {
 221                 if (fDebug > 1) AliInfo("Replicating PMDClusters branch\n");
 222                 fgAODPMDClusters = new TClonesArray("AliAODPmdCluster",500);
 223                 fgAODPMDClusters->SetName("pmdClusters");
 224                 handler->AddBranch("TClonesArray", &fgAODPMDClusters);
 225             }
 226             if ((handler->NeedsJetsBranchReplication() || merging) && !(fgAODJets))
 227             {
 228                 if (fDebug > 1) AliInfo("Replicating Jets branch\n");
 229                 fgAODJets = new TClonesArray("AliAODJet",500);
 230                 fgAODJets->SetName("jets");
 231                 handler->AddBranch("TClonesArray", &fgAODJets);
 232             }
 233             if ((handler->NeedsFMDClustersBranchReplication()) && !(fgAODFMDClusters))
 234             {
 235                 AliInfo("Replicating FMDClusters branch\n");
 236                 fgAODFMDClusters = new TClonesArray("AliAODFmdCluster",500);
 237                 fgAODFMDClusters->SetName("fmdClusters");
 238                 handler->AddBranch("TClonesArray", &fgAODFMDClusters);
 239             }
 240             if ((handler->NeedsCaloClustersBranchReplication() || merging) && !(fgAODCaloClusters))
 241             {
 242                 if (fDebug > 1) AliInfo("Replicating CaloClusters branch\n");
 243                 fgAODCaloClusters = new TClonesArray("AliAODCaloCluster",500);
 244                 fgAODCaloClusters->SetName("caloClusters");
 245                 handler->AddBranch("TClonesArray", &fgAODCaloClusters);
 246
 247                 fgAODEmcalCells = new AliAODCaloCells();
 248                 fgAODEmcalCells->SetName("emcalCells");
 249                 handler->AddBranch("AliAODCaloCells", &fgAODEmcalCells);
 250
 251                 fgAODPhosCells = new AliAODCaloCells();
 252                 fgAODPhosCells->SetName("phosCells");
 253                 handler->AddBranch("AliAODCaloCells", &fgAODPhosCells);
 254             }
 255             if ((handler->NeedsMCParticlesBranchReplication() || merging) && !(fgAODMCParticles))
 256             {
 257                 if (fDebug > 1) AliInfo("Replicating MCParticles branch\n");
 258                 fgAODMCParticles = new TClonesArray("AliAODMCParticle",500);
 259                 fgAODMCParticles->SetName("mcparticles");
 260                 handler->AddBranch("TClonesArray", &fgAODMCParticles);
 261             }
 262             // cache the pointerd in the AODEvent
 263             fOutputAOD->GetStdContent();
 264         }
 265     } else {
 266         AliWarning("No AOD Event Handler connected.") ;
 267     }
 268     UserCreateOutputObjects();
 269 }
 270
 271 void AliAnalysisTaskSE::Exec(Option_t* option)
 272 {
 273 //
 274 // Exec analysis of one event
 275     if (fDebug > 1) AliInfo("AliAnalysisTaskSE::Exec() \n");
 276
 277     if( fInputHandler ) {
 278        fEntry = fInputHandler->GetReadEntry();
 279     }
 280
 281
 282     else if( fMCEvent )
 283        fEntry = fMCEvent->Header()->GetEvent();
 284     if ( !((Entry()-1)%100) && fDebug > 0)
 285          AliInfo(Form("%s ----> Processing event # %lld", CurrentFileName(), Entry()));
 286
 287     AliAODHandler* handler = (AliAODHandler*)
 288         ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 289     AliAODInputHandler* aodH = dynamic_cast<AliAODInputHandler*>(fInputHandler);
 290
 291     if (handler && aodH) {
 292         fMCEvent = aodH->MCEvent();
 293         Bool_t merging = aodH->GetMergeEvents();
 294
 295         if (!(handler->IsStandard()) && !(handler->AODIsReplicated())) {
 296             if ((handler->NeedsHeaderReplication()) && (fgAODHeader))
 297             {
 298               // copy the contents by assigment
 299               *fgAODHeader =  *(dynamic_cast<AliAODHeader*>(InputEvent()->GetHeader()));
 300             }
 301             if ((handler->NeedsTracksBranchReplication() || merging) && (fgAODTracks))
 302             {
 303                 TClonesArray* tracks = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetTracks();
 304                 new (fgAODTracks) TClonesArray(*tracks);
 305             }
 306             if ((handler->NeedsVerticesBranchReplication() || merging) && (fgAODVertices))
 307             {
 308                 TClonesArray* vertices = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetVertices();
 309                 new (fgAODVertices) TClonesArray(*vertices);
 310             }
 311             if ((handler->NeedsV0sBranchReplication()) && (fgAODV0s))
 312             {
 313                 TClonesArray* v0s = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetV0s();
 314                 new (fgAODV0s) TClonesArray(*v0s);
 315             }
 316             if ((handler->NeedsTrackletsBranchReplication()) && (fgAODTracklets))
 317             {
 318               *fgAODTracklets = *(dynamic_cast<AliAODEvent*>(InputEvent()))->GetTracklets();
 319             }
 320             if ((handler->NeedsPMDClustersBranchReplication()) && (fgAODPMDClusters))
 321             {
 322                 TClonesArray* pmdClusters = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetPmdClusters();
 323                 new (fgAODPMDClusters) TClonesArray(*pmdClusters);
 324             }
 325             if ((handler->NeedsJetsBranchReplication() || merging) && (fgAODJets))
 326             {
 327                 TClonesArray* jets = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetJets();
 328                 new (fgAODJets) TClonesArray(*jets);
 329             }
 330             if ((handler->NeedsFMDClustersBranchReplication()) && (fgAODFMDClusters))
 331             {
 332                 TClonesArray* fmdClusters = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetFmdClusters();
 333                 new (fgAODFMDClusters) TClonesArray(*fmdClusters);
 334             }
 335             if ((handler->NeedsCaloClustersBranchReplication() || merging) && (fgAODCaloClusters))
 336             {
 337                 TClonesArray* caloClusters = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetCaloClusters();
 338                 new (fgAODCaloClusters) TClonesArray(*caloClusters);
 339             }
 340
 341             if ((handler->NeedsMCParticlesBranchReplication() || merging) && (fgAODMCParticles))
 342             {
 343                 TClonesArray* mcParticles = (TClonesArray*) ((dynamic_cast<AliAODEvent*>(InputEvent()))->FindListObject("mcparticles"));
 344                 new (fgAODMCParticles) TClonesArray(*mcParticles);
 345             }
 346
 347             // Additional merging if needed
 348             if (merging) {
 349                 // mcParticles
 350                 TClonesArray* mcparticles = (TClonesArray*) ((aodH->GetEventToMerge())->FindListObject("mcparticles"));
 351                 Int_t npart = mcparticles->GetEntries();
 352                 Int_t nc = fgAODMCParticles->GetEntries();
 353                 Int_t nc0 = nc;
 354
 355                 for (Int_t i = 0; i < npart; i++) {
 356                     AliAODMCParticle* particle = (AliAODMCParticle*) mcparticles->At(i);
 357                     new((*fgAODMCParticles)[nc++]) AliAODMCParticle(*particle);
 358                 }
 359
 360                 // tracks
 361                 TClonesArray* tracks = aodH->GetEventToMerge()->GetTracks();
 362                 Int_t ntr = tracks->GetEntries();
 363                 nc  = fgAODTracks->GetEntries();
 364                 for (Int_t i = 0; i < ntr; i++) {
 365                     AliAODTrack*    track = (AliAODTrack*) tracks->At(i);
 366                     AliAODTrack* newtrack = new((*fgAODTracks)[nc++]) AliAODTrack(*track);
 367
 368                     newtrack->SetLabel(newtrack->GetLabel() + nc0);
 369                 }
 370
 371                 for (Int_t i = 0; i < nc; i++)
 372                 {
 373                     AliAODTrack* track = (AliAODTrack*) fgAODTracks->At(i);
 374                     track->ResetBit(kIsReferenced);
 375                     track->SetUniqueID(0);
 376                 }
 377
 378
 379                 // clusters
 380                 TClonesArray* clusters = aodH->GetEventToMerge()->GetCaloClusters();
 381                 Int_t ncl  = clusters->GetEntries();
 382                 nc         =  fgAODCaloClusters->GetEntries();
 383                 for (Int_t i = 0; i < ncl; i++) {
 384                     AliAODCaloCluster*    cluster = (AliAODCaloCluster*) clusters->At(i);
 385                     new((*fgAODCaloClusters)[nc++]) AliAODCaloCluster(*cluster);
 386                 }
 387                 // cells
 388                 AliAODCaloCells* cellsA = aodH->GetEventToMerge()->GetEMCALCells();
 389                 Int_t ncells  = cellsA->GetNumberOfCells();
 390                 nc = fgAODEmcalCells->GetNumberOfCells();
 391
 392                 for (Int_t i  = 0; i < ncells; i++) {
 393                     Int_t cn  = cellsA->GetCellNumber(i);
 394                     Int_t pos = fgAODEmcalCells->GetCellPosition(cn);
 395                     if (pos >= 0) {
 396                         Double_t amp = cellsA->GetAmplitude(i) + fgAODEmcalCells->GetAmplitude(pos);
 397                         fgAODEmcalCells->SetCell(pos, cn, amp);
 398                     } else {
 399                         Double_t amp = cellsA->GetAmplitude(i);
 400                         fgAODEmcalCells->SetCell(nc++, cn, amp);
 401                         fgAODEmcalCells->Sort();
 402                     }
 403                 }
 404
 405
 406             } // merging
 407
 408             handler->SetAODIsReplicated();
 409         }
 410     }
 411
 412 // Call the user analysis
 413     UserExec(option);
 414     // Added protection in case the derived task is not an AOD producer.
 415     AliAnalysisDataSlot *out0 = GetOutputSlot(0);
 416     if (out0 && out0->IsConnected()) PostData(0, fTreeA);
 417 }
 418
 419 const char* AliAnalysisTaskSE::CurrentFileName()
 420 {
 421 // Returns the current file name
 422     if( fInputHandler )
 423       return fInputHandler->GetTree()->GetCurrentFile()->GetName();
 424     else if( fMCEvent )
 425       return ((AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()))->TreeK()->GetCurrentFile()->GetName();
 426     else return "";
 427 }
 428
 429 void AliAnalysisTaskSE::AddAODBranch(const char* cname, void* addobj, const char *fname)
 430 {
 431     // Add a new branch to the aod tree
 432     AliAODHandler* handler = (AliAODHandler*)
 433         ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 434     if (handler) {
 435         handler->AddBranch(cname, addobj, fname);
 436     }
 437 }
 438
 439 Bool_t AliAnalysisTaskSE::IsStandardAOD() const
 440 {
 441 // Check if the output AOD handler is configured for standard or delta AOD.
 442 // Users should first check that AODEvent() returns non-null.
 443     AliAODHandler* handler = (AliAODHandler*)
 444          ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 445     if (!handler) {
 446        Error("IsStandardAOD", "No AOD handler. Please use AODEvent() to check this first");
 447        return kTRUE;
 448     }
 449     return handler->IsStandard();
 450 }
 451
 452 Bool_t AliAnalysisTaskSE::Notify()
 453 {
 454     // Called for every change of input file
 455     if (fInputHandler) {
 456         if (fInputHandler->GetTree())
 457             fInputHandler->GetTree()->GetEntry(0);
 458     }
 459
 460     if (InputEvent()->GetRunNumber() != fCurrentRunNumber) {
 461         fCurrentRunNumber = InputEvent()->GetRunNumber();
 462         NotifyRun();
 463     }
 464     return (UserNotify());
 465 }
 466
 467