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