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
  30 #include "AliESDEvent.h"
  31 #include "AliESD.h"
  32 #include "AliAODEvent.h"
  33 #include "AliAODHeader.h"
  34 #include "AliAODTracklets.h"
  35 #include "AliAODCaloCells.h"
  36 #include "AliAODMCParticle.h"
  37 #include "AliVEvent.h"
  38 #include "AliAODHandler.h"
  39 #include "AliAODInputHandler.h"
  40 #include "AliMCEventHandler.h"
  41 #include "AliInputEventHandler.h"
  42 #include "AliMCEvent.h"
  43 #include "AliStack.h"
  44 #include "AliLog.h"
  45
  46
  47 ClassImp(AliAnalysisTaskSE)
  48
  49 ////////////////////////////////////////////////////////////////////////
  50 AliAODHeader*    AliAnalysisTaskSE::fgAODHeader         = NULL;
  51 TClonesArray*    AliAnalysisTaskSE::fgAODTracks         = NULL;
  52 TClonesArray*    AliAnalysisTaskSE::fgAODVertices       = NULL;
  53 TClonesArray*    AliAnalysisTaskSE::fgAODV0s            = NULL;
  54 TClonesArray*    AliAnalysisTaskSE::fgAODPMDClusters    = NULL;
  55 TClonesArray*    AliAnalysisTaskSE::fgAODJets           = NULL;
  56 TClonesArray*    AliAnalysisTaskSE::fgAODFMDClusters    = NULL;
  57 TClonesArray*    AliAnalysisTaskSE::fgAODCaloClusters   = NULL;
  58 TClonesArray*    AliAnalysisTaskSE::fgAODMCParticles    = NULL;
  59 AliAODTracklets* AliAnalysisTaskSE::fgAODTracklets      = NULL;
  60 AliAODCaloCells* AliAnalysisTaskSE::fgAODEmcalCells     = NULL;
  61 AliAODCaloCells* AliAnalysisTaskSE::fgAODPhosCells      = NULL;
  62
  63 AliAnalysisTaskSE::AliAnalysisTaskSE():
  64     AliAnalysisTask(),
  65     fDebug(0),
  66     fEntry(0),
  67     fInputEvent(0x0),
  68     fInputHandler(0x0),
  69     fOutputAOD(0x0),
  70     fMCEvent(0x0),
  71     fTreeA(0x0),
  72     fCurrentRunNumber(-1),
  73     fHistosQA(0x0),
  74     fSelectCollisions(0)
  75 {
  76   // Default constructor
  77 }
  78
  79 AliAnalysisTaskSE::AliAnalysisTaskSE(const char* name):
  80     AliAnalysisTask(name, "AnalysisTaskSE"),
  81     fDebug(0),
  82     fEntry(0),
  83     fInputEvent(0x0),
  84     fInputHandler(0x0),
  85     fOutputAOD(0x0),
  86     fMCEvent(0x0),
  87     fTreeA(0x0),
  88     fCurrentRunNumber(-1),
  89     fHistosQA(0x0),
  90     fSelectCollisions(0)
  91 {
  92   // Default constructor
  93     DefineInput (0, TChain::Class());
  94     DefineOutput(0,  TTree::Class());
  95 }
  96
  97 AliAnalysisTaskSE::AliAnalysisTaskSE(const AliAnalysisTaskSE& obj):
  98     AliAnalysisTask(obj),
  99     fDebug(0),
 100     fEntry(0),
 101     fInputEvent(0x0),
 102     fInputHandler(0x0),
 103     fOutputAOD(0x0),
 104     fMCEvent(0x0),
 105     fTreeA(0x0),
 106     fCurrentRunNumber(-1),
 107     fHistosQA(0x0),
 108     fSelectCollisions(0)
 109 {
 110 // Copy constructor
 111     fDebug            = obj.fDebug;
 112     fEntry            = obj.fEntry;
 113     fInputEvent       = obj.fInputEvent;
 114     fInputHandler     = obj.fInputHandler;
 115     fOutputAOD        = obj.fOutputAOD;
 116     fMCEvent          = obj.fMCEvent;
 117     fTreeA            = obj.fTreeA;
 118     fCurrentRunNumber = obj.fCurrentRunNumber;
 119     fHistosQA         = obj.fHistosQA;
 120
 121 }
 122
 123
 124 AliAnalysisTaskSE& AliAnalysisTaskSE::operator=(const AliAnalysisTaskSE& other)
 125 {
 126 // Assignment
 127     AliAnalysisTask::operator=(other);
 128     fDebug            = other.fDebug;
 129     fEntry            = other.fEntry;
 130     fInputEvent       = other.fInputEvent;
 131     fInputHandler     = other.fInputHandler;
 132     fOutputAOD        = other.fOutputAOD;
 133     fMCEvent          = other.fMCEvent;
 134     fTreeA            = other.fTreeA;
 135     fCurrentRunNumber = other.fCurrentRunNumber;
 136     fHistosQA         = other.fHistosQA;
 137     fSelectCollisions = other.fSelectCollisions;
 138     return *this;
 139 }
 140
 141
 142 void AliAnalysisTaskSE::ConnectInputData(Option_t* /*option*/)
 143 {
 144 // Connect the input data
 145     if (fDebug > 1) printf("AnalysisTaskSE::ConnectInputData() \n");
 146 //
 147 //  ESD
 148 //
 149     fInputHandler = (AliInputEventHandler*)
 150          ((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
 151 //
 152 //  Monte Carlo
 153 //
 154     AliMCEventHandler*    mcH = 0;
 155     mcH = (AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler());
 156     if (mcH) {
 157         fMCEvent = mcH->MCEvent();
 158     }
 159
 160     if (fInputHandler) {
 161          fInputEvent = fInputHandler->GetEvent();
 162     } else if( fMCEvent ) {
 163          AliWarning("No Input Event Handler connected, only MC Truth Event Handler") ;
 164     } else {
 165          AliError("No Input Event Handler connected") ;
 166          return ;
 167     }
 168 }
 169
 170 void AliAnalysisTaskSE::CreateOutputObjects()
 171 {
 172 // Create the output container
 173 //
 174 //  Default AOD
 175     if (fDebug > 1) printf("AnalysisTaskSE::CreateOutPutData() \n");
 176
 177     AliAODHandler* handler = (AliAODHandler*)
 178          ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 179
 180     Bool_t merging = kFALSE;
 181     AliAODInputHandler* aodIH = static_cast<AliAODInputHandler*>((AliAnalysisManager::GetAnalysisManager())->GetInputEventHandler());
 182     if (aodIH) {
 183         if (aodIH->GetMergeEvents()) merging = kTRUE;
 184     }
 185
 186
 187     // Check if AOD replication has been required
 188
 189     if (handler) {
 190         fOutputAOD   = handler->GetAOD();
 191         fTreeA = handler->GetTree();
 192         if (fOutputAOD && !(handler->IsStandard())) {
 193             if ((handler->NeedsHeaderReplication()) && !(fgAODHeader))
 194                 {
 195                  if (fDebug > 1) AliInfo("Replicating header");
 196                  fgAODHeader = new AliAODHeader;
 197                  handler->AddBranch("AliAODHeader", &fgAODHeader);
 198                 }
 199             if ((handler->NeedsTracksBranchReplication() || merging) && !(fgAODTracks))
 200             {
 201                 if (fDebug > 1) AliInfo("Replicating track branch\n");
 202                 fgAODTracks = new TClonesArray("AliAODTrack",500);
 203                 fgAODTracks->SetName("tracks");
 204                 handler->AddBranch("TClonesArray", &fgAODTracks);
 205             }
 206             if ((handler->NeedsVerticesBranchReplication() || merging) && !(fgAODVertices))
 207             {
 208                 if (fDebug > 1) AliInfo("Replicating vertices branch\n");
 209                 fgAODVertices = new TClonesArray("AliAODVertex",500);
 210                 fgAODVertices->SetName("vertices");
 211                 handler->AddBranch("TClonesArray", &fgAODVertices);
 212             }
 213             if ((handler->NeedsV0sBranchReplication()) && !(fgAODV0s))
 214             {
 215                 if (fDebug > 1) AliInfo("Replicating V0s branch\n");
 216                 fgAODV0s = new TClonesArray("AliAODv0",500);
 217                 fgAODV0s->SetName("v0s");
 218                 handler->AddBranch("TClonesArray", &fgAODV0s);
 219             }
 220             if ((handler->NeedsTrackletsBranchReplication()) && !(fgAODTracklets))
 221             {
 222                 if (fDebug > 1) AliInfo("Replicating Tracklets branch\n");
 223                 fgAODTracklets = new AliAODTracklets("tracklets","tracklets");
 224                 handler->AddBranch("AliAODTracklets", &fgAODTracklets);
 225             }
 226             if ((handler->NeedsPMDClustersBranchReplication()) && !(fgAODPMDClusters))
 227             {
 228                 if (fDebug > 1) AliInfo("Replicating PMDClusters branch\n");
 229                 fgAODPMDClusters = new TClonesArray("AliAODPmdCluster",500);
 230                 fgAODPMDClusters->SetName("pmdClusters");
 231                 handler->AddBranch("TClonesArray", &fgAODPMDClusters);
 232             }
 233             if ((handler->NeedsJetsBranchReplication() || merging) && !(fgAODJets))
 234             {
 235                 if (fDebug > 1) AliInfo("Replicating Jets branch\n");
 236                 fgAODJets = new TClonesArray("AliAODJet",500);
 237                 fgAODJets->SetName("jets");
 238                 handler->AddBranch("TClonesArray", &fgAODJets);
 239             }
 240             if ((handler->NeedsFMDClustersBranchReplication()) && !(fgAODFMDClusters))
 241             {
 242                 AliInfo("Replicating FMDClusters branch\n");
 243                 fgAODFMDClusters = new TClonesArray("AliAODFmdCluster",500);
 244                 fgAODFMDClusters->SetName("fmdClusters");
 245                 handler->AddBranch("TClonesArray", &fgAODFMDClusters);
 246             }
 247             if ((handler->NeedsCaloClustersBranchReplication() || merging) && !(fgAODCaloClusters))
 248             {
 249                 if (fDebug > 1) AliInfo("Replicating CaloClusters branch\n");
 250                 fgAODCaloClusters = new TClonesArray("AliAODCaloCluster",500);
 251                 fgAODCaloClusters->SetName("caloClusters");
 252                 handler->AddBranch("TClonesArray", &fgAODCaloClusters);
 253
 254                 fgAODEmcalCells = new AliAODCaloCells();
 255                 fgAODEmcalCells->SetName("emcalCells");
 256                 handler->AddBranch("AliAODCaloCells", &fgAODEmcalCells);
 257
 258                 fgAODPhosCells = new AliAODCaloCells();
 259                 fgAODPhosCells->SetName("phosCells");
 260                 handler->AddBranch("AliAODCaloCells", &fgAODPhosCells);
 261             }
 262             if ((handler->NeedsMCParticlesBranchReplication() || merging) && !(fgAODMCParticles))
 263             {
 264                 if (fDebug > 1) AliInfo("Replicating MCParticles branch\n");
 265                 fgAODMCParticles = new TClonesArray("AliAODMCParticle",500);
 266                 fgAODMCParticles->SetName("mcparticles");
 267                 handler->AddBranch("TClonesArray", &fgAODMCParticles);
 268             }
 269             // cache the pointerd in the AODEvent
 270             fOutputAOD->GetStdContent();
 271         }
 272     } else {
 273         AliWarning("No AOD Event Handler connected.") ;
 274     }
 275     UserCreateOutputObjects();
 276 }
 277
 278 void AliAnalysisTaskSE::Exec(Option_t* option)
 279 {
 280 //
 281 // Exec analysis of one event
 282     if (fDebug > 1) AliInfo("AliAnalysisTaskSE::Exec() \n");
 283
 284     Bool_t isSelected = kTRUE;
 285     if( fInputHandler ) {
 286       isSelected = fInputHandler->IsEventSelected();
 287       fEntry = fInputHandler->GetReadEntry();
 288     }
 289
 290 // Notify the change of run number
 291     if (InputEvent()->GetRunNumber() != fCurrentRunNumber) {
 292         fCurrentRunNumber = InputEvent()->GetRunNumber();
 293         NotifyRun();
 294     }
 295
 296     else if( fMCEvent )
 297        fEntry = fMCEvent->Header()->GetEvent();
 298     if ( !((Entry()-1)%100) && fDebug > 0)
 299          AliInfo(Form("%s ----> Processing event # %lld", CurrentFileName(), Entry()));
 300
 301     AliAODHandler* handler = (AliAODHandler*)
 302         ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 303     AliAODInputHandler* aodH = dynamic_cast<AliAODInputHandler*>(fInputHandler);
 304
 305     if (handler && aodH) {
 306         fMCEvent = aodH->MCEvent();
 307         Bool_t merging = aodH->GetMergeEvents();
 308
 309         if (!(handler->IsStandard()) && !(handler->AODIsReplicated())) {
 310             if ((handler->NeedsHeaderReplication()) && (fgAODHeader))
 311             {
 312               // copy the contents by assigment
 313               *fgAODHeader =  *(dynamic_cast<AliAODHeader*>(InputEvent()->GetHeader()));
 314             }
 315             if ((handler->NeedsTracksBranchReplication() || merging) && (fgAODTracks))
 316             {
 317                 TClonesArray* tracks = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetTracks();
 318                 new (fgAODTracks) TClonesArray(*tracks);
 319             }
 320             if ((handler->NeedsVerticesBranchReplication() || merging) && (fgAODVertices))
 321             {
 322                 TClonesArray* vertices = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetVertices();
 323                 new (fgAODVertices) TClonesArray(*vertices);
 324             }
 325             if ((handler->NeedsV0sBranchReplication()) && (fgAODV0s))
 326             {
 327                 TClonesArray* v0s = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetV0s();
 328                 new (fgAODV0s) TClonesArray(*v0s);
 329             }
 330             if ((handler->NeedsTrackletsBranchReplication()) && (fgAODTracklets))
 331             {
 332               *fgAODTracklets = *(dynamic_cast<AliAODEvent*>(InputEvent()))->GetTracklets();
 333             }
 334             if ((handler->NeedsPMDClustersBranchReplication()) && (fgAODPMDClusters))
 335             {
 336                 TClonesArray* pmdClusters = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetPmdClusters();
 337                 new (fgAODPMDClusters) TClonesArray(*pmdClusters);
 338             }
 339             if ((handler->NeedsJetsBranchReplication() || merging) && (fgAODJets))
 340             {
 341                 TClonesArray* jets = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetJets();
 342                 new (fgAODJets) TClonesArray(*jets);
 343             }
 344             if ((handler->NeedsFMDClustersBranchReplication()) && (fgAODFMDClusters))
 345             {
 346                 TClonesArray* fmdClusters = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetFmdClusters();
 347                 new (fgAODFMDClusters) TClonesArray(*fmdClusters);
 348             }
 349             if ((handler->NeedsCaloClustersBranchReplication() || merging) && (fgAODCaloClusters))
 350             {
 351                 TClonesArray* caloClusters = (dynamic_cast<AliAODEvent*>(InputEvent()))->GetCaloClusters();
 352                 new (fgAODCaloClusters) TClonesArray(*caloClusters);
 353             }
 354
 355             if ((handler->NeedsMCParticlesBranchReplication() || merging) && (fgAODMCParticles))
 356             {
 357                 TClonesArray* mcParticles = (TClonesArray*) ((dynamic_cast<AliAODEvent*>(InputEvent()))->FindListObject("mcparticles"));
 358                 new (fgAODMCParticles) TClonesArray(*mcParticles);
 359             }
 360
 361             // Additional merging if needed
 362             if (merging) {
 363                 // mcParticles
 364                 TClonesArray* mcparticles = (TClonesArray*) ((aodH->GetEventToMerge())->FindListObject("mcparticles"));
 365                 Int_t npart = mcparticles->GetEntries();
 366                 Int_t nc = fgAODMCParticles->GetEntries();
 367                 Int_t nc0 = nc;
 368
 369                 for (Int_t i = 0; i < npart; i++) {
 370                     AliAODMCParticle* particle = (AliAODMCParticle*) mcparticles->At(i);
 371                     new((*fgAODMCParticles)[nc++]) AliAODMCParticle(*particle);
 372                 }
 373
 374                 // tracks
 375                 TClonesArray* tracks = aodH->GetEventToMerge()->GetTracks();
 376                 Int_t ntr = tracks->GetEntries();
 377                 nc  = fgAODTracks->GetEntries();
 378                 for (Int_t i = 0; i < ntr; i++) {
 379                     AliAODTrack*    track = (AliAODTrack*) tracks->At(i);
 380                     AliAODTrack* newtrack = new((*fgAODTracks)[nc++]) AliAODTrack(*track);
 381
 382                     newtrack->SetLabel(newtrack->GetLabel() + nc0);
 383                 }
 384
 385                 for (Int_t i = 0; i < nc; i++)
 386                 {
 387                     AliAODTrack* track = (AliAODTrack*) fgAODTracks->At(i);
 388                     track->ResetBit(kIsReferenced);
 389                     track->SetUniqueID(0);
 390                 }
 391
 392
 393                 // clusters
 394                 TClonesArray* clusters = aodH->GetEventToMerge()->GetCaloClusters();
 395                 Int_t ncl  = clusters->GetEntries();
 396                 nc         =  fgAODCaloClusters->GetEntries();
 397                 for (Int_t i = 0; i < ncl; i++) {
 398                     AliAODCaloCluster*    cluster = (AliAODCaloCluster*) clusters->At(i);
 399                     new((*fgAODCaloClusters)[nc++]) AliAODCaloCluster(*cluster);
 400                 }
 401                 // cells
 402                 AliAODCaloCells* cellsA = aodH->GetEventToMerge()->GetEMCALCells();
 403                 Int_t ncells  = cellsA->GetNumberOfCells();
 404                 nc = fgAODEmcalCells->GetNumberOfCells();
 405
 406                 for (Int_t i  = 0; i < ncells; i++) {
 407                     Int_t cn  = cellsA->GetCellNumber(i);
 408                     Int_t pos = fgAODEmcalCells->GetCellPosition(cn);
 409                     if (pos >= 0) {
 410                         Double_t amp = cellsA->GetAmplitude(i) + fgAODEmcalCells->GetAmplitude(pos);
 411                         fgAODEmcalCells->SetCell(pos, cn, amp);
 412                     } else {
 413                         Double_t amp = cellsA->GetAmplitude(i);
 414                         fgAODEmcalCells->SetCell(nc++, cn, amp);
 415                         fgAODEmcalCells->Sort();
 416                     }
 417                 }
 418
 419
 420             } // merging
 421
 422             handler->SetAODIsReplicated();
 423         }
 424     }
 425
 426 // Call the user analysis
 427     if (!fSelectCollisions || isSelected)
 428         UserExec(option);
 429
 430 // Added protection in case the derived task is not an AOD producer.
 431     AliAnalysisDataSlot *out0 = GetOutputSlot(0);
 432     if (out0 && out0->IsConnected()) PostData(0, fTreeA);
 433 }
 434
 435 const char* AliAnalysisTaskSE::CurrentFileName()
 436 {
 437 // Returns the current file name
 438     if( fInputHandler )
 439       return fInputHandler->GetTree()->GetCurrentFile()->GetName();
 440     else if( fMCEvent )
 441       return ((AliMCEventHandler*) ((AliAnalysisManager::GetAnalysisManager())->GetMCtruthEventHandler()))->TreeK()->GetCurrentFile()->GetName();
 442     else return "";
 443 }
 444
 445 void AliAnalysisTaskSE::AddAODBranch(const char* cname, void* addobj, const char *fname)
 446 {
 447     // Add a new branch to the aod tree
 448     AliAODHandler* handler = (AliAODHandler*)
 449         ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 450     if (handler) {
 451         handler->AddBranch(cname, addobj, fname);
 452     }
 453 }
 454
 455 Bool_t AliAnalysisTaskSE::IsStandardAOD() const
 456 {
 457 // Check if the output AOD handler is configured for standard or delta AOD.
 458 // Users should first check that AODEvent() returns non-null.
 459     AliAODHandler* handler = (AliAODHandler*)
 460          ((AliAnalysisManager::GetAnalysisManager())->GetOutputEventHandler());
 461     if (!handler) {
 462        Error("IsStandardAOD", "No AOD handler. Please use AODEvent() to check this first");
 463        return kTRUE;
 464     }
 465     return handler->IsStandard();
 466 }
 467
 468 Bool_t AliAnalysisTaskSE::Notify()
 469 {
 470     return (UserNotify());
 471 }
 472
 473