PWGGA/CaloTrackCorrelations/macros/ana.C

   1 /* $Id:  $ */
   2 //--------------------------------------------------
   3 // Example macro to do analysis with the
   4 // analysis classes in CaloTrackCorrelations
   5 // Can be executed with Root and AliRoot
   6 //
   7 // Pay attention to the options and definitions
   8 // set in the lines below
   9 //
  10 //  Author : Gustavo Conesa Balbastre (INFN-LNF)
  11 //
  12 //-------------------------------------------------
  13 enum anaModes {mLocal=0, mPROOF=1, mPlugin=2, mGRID=3};
  14 //mLocal    = 0: Analyze locally files in your computer
  15 //mPROOF    = 1: Analyze files on GRID with Plugin
  16 //mPlugin   = 2: Analyze files on GRID with Plugin
  17 //mGRID     = 3: Analyze files on GRID, jobs launched from aliensh
  18
  19 //---------------------------------------------------------------------------
  20 // Settings to read locally several files, only for "mLocal" mode
  21 // The different values are default, they can be set with environmental
  22 // variables: INDIR, PATTERN, NFILES, respectivelly
  23
  24 char * kInDir   = "/user/data/files/";
  25 char * kPattern = ""; // Data are in files kInDir/kPattern+i
  26 Int_t  kFile    = 2;
  27
  28 //---------------------------------------------------------------------------
  29 // Dataset for proof analysis, mode=mPROOF
  30 // char * kDataset = "/alice/vernet/PbPb_LHC10h_ESD";
  31
  32 char *  kDatasetPROOF     = "/alice/vernet/LHC11b_149646";
  33 Int_t   kDatasetNMaxFiles = 20;
  34 TString ccin2p3UserName   = "arbor" ;
  35 TString alienUserName     = "narbor" ;
  36
  37 //---------------------------------------------------------------------------
  38 // Collection file for grid analysis
  39
  40 char * kXML = "collection.xml";
  41
  42 //---------------------------------------------------------------------------
  43 //Scale histograms from file. Change to kTRUE when xsection file exists
  44 //Put name of file containing xsection
  45 //Put number of events per ESD file
  46 //This is an specific case for normalization of Pythia files.
  47 const char * kXSFileName = "pyxsec.root";
  48
  49 //---------------------------------------------------------------------------
  50
  51 //Set some default values, but used values are set in the code!
  52
  53 Bool_t  kMC        = kFALSE; //With real data kMC = kFALSE
  54 TString kInputData = "ESD"; //ESD, AOD, MC, deltaAOD
  55 Int_t   kYear      = 2011;
  56 TString kCollision = "pp";
  57 Bool_t  outAOD     = kFALSE; //Some tasks doesnt need it.
  58 TString kTreeName;
  59 TString kPass      = "";
  60 char    kTrigger[1024];
  61 Int_t   kRun       = 0;
  62
  63 //________________________
  64 void ana(Int_t mode=mGRID)
  65 {
  66   // Main
  67
  68   //--------------------------------------------------------------------
  69   // Load analysis libraries
  70   // Look at the method below,
  71   // change whatever you need for your analysis case
  72   // ------------------------------------------------------------------
  73
  74   LoadLibraries(mode) ;
  75   //gSystem->ListLibraries();
  76
  77   //-------------------------------------------------------------------------------------------------
  78   //Create chain from ESD and from cross sections files, look below for options.
  79   //-------------------------------------------------------------------------------------------------
  80
  81   // Set kInputData and kTreeName looking to the kINDIR
  82
  83   CheckInputData(mode);
  84
  85   // Check global analysis settings
  86
  87   CheckEnvironmentVariables();
  88
  89   printf("*********************************************\n");
  90   printf("*** Input data < %s >, pass %s, tree < %s >, MC?  < %d > ***\n",kInputData.Data(),kPass.Data(),kTreeName.Data(),kMC);
  91   printf("*********************************************\n");
  92
  93   TChain * chain   = new TChain(kTreeName) ;
  94   TChain * chainxs = new TChain("Xsection") ;
  95   CreateChain(mode, chain, chainxs);
  96
  97   Double_t scale = -1;
  98   printf("===== kMC %d, chainxs %p\n",kMC,chainxs);
  99   if(kMC && chainxs && chainxs->GetEntries() > 0)
 100   {
 101     Int_t nfiles = chainxs->GetEntries();
 102
 103     //Get the cross section
 104     Double_t xsection = 0;
 105     Float_t ntrials   = 0;
 106
 107     GetAverageXsection(chainxs, xsection, ntrials);
 108
 109     Int_t    nEventsPerFile = chain->GetEntries() / nfiles;
 110
 111     Double_t trials = ntrials / nEventsPerFile ;
 112
 113     scale = xsection/trials;
 114
 115     printf("Get Cross section : nfiles  %d, nevents %d, nevents per file %d \n",nfiles, chain->GetEntries(),nEventsPerFile);
 116     printf("                    ntrials %d, trials %2.2f, xs %2.2e, scale factor %2.2e\n", ntrials,trials,xsection,scale);
 117
 118   }
 119
 120   printf("*********************************************\n");
 121   printf("number of entries # %lld, skipped %d\n", chain->GetEntries()) ;
 122   printf("*********************************************\n");
 123
 124   if(!chain)
 125   {
 126     printf("STOP, no chain available\n");
 127     return;
 128   }
 129
 130   AliLog::SetGlobalLogLevel(AliLog::kError);//Minimum prints on screen
 131
 132   //------------------------------------------
 133   //  Alien handler part
 134   //------------------------------------------
 135   AliAnalysisGrid *alienHandler=0x0;
 136   if(mode==mPlugin)
 137   {
 138     // Create and configure the alien handler plugin
 139     gROOT->LoadMacro("CreateAlienHandler.C");
 140     alienHandler = CreateAlienHandler();
 141     if (!alienHandler) return;
 142   }
 143
 144   //--------------------------------------
 145   // Make the analysis manager
 146   //-------------------------------------
 147   AliAnalysisManager *mgr  = new AliAnalysisManager("Manager", "Manager");
 148   //AliAnalysisManager::SetUseProgressBar(kTRUE);
 149   //mgr->SetSkipTerminate(kTRUE);
 150   //mgr->SetNSysInfo(1);
 151
 152   if(mode==mPlugin)
 153   {
 154     // Connect plugin to the analysis manager
 155     mgr->SetGridHandler(alienHandler);
 156   }
 157
 158   // MC handler
 159   if((kMC || kInputData == "MC") && !kInputData.Contains("AOD"))
 160   {
 161     AliMCEventHandler* mcHandler = new AliMCEventHandler();
 162     mcHandler->SetReadTR(kFALSE);//Do not search TrackRef file
 163     mgr->SetMCtruthEventHandler(mcHandler);
 164     if( kInputData == "MC")
 165     {
 166       cout<<"MC INPUT EVENT HANDLER"<<endl;
 167       mgr->SetInputEventHandler(NULL);
 168     }
 169   }
 170
 171
 172   // AOD output handler
 173   if(kInputData!="deltaAOD" && outAOD)
 174   {
 175     cout<<"Init output handler"<<endl;
 176     AliAODHandler* aodoutHandler   = new AliAODHandler();
 177     aodoutHandler->SetOutputFileName("aod.root");
 178     ////aodoutHandler->SetCreateNonStandardAOD();
 179     mgr->SetOutputEventHandler(aodoutHandler);
 180   }
 181
 182   //input
 183
 184   if(kInputData == "ESD")
 185   {
 186     // ESD handler
 187     AliESDInputHandler *esdHandler = new AliESDInputHandler();
 188     esdHandler->SetReadFriends(kFALSE);
 189     mgr->SetInputEventHandler(esdHandler);
 190     cout<<"ESD handler "<<mgr->GetInputEventHandler()<<endl;
 191   }
 192   else if(kInputData.Contains("AOD"))
 193   {
 194     // AOD handler
 195     AliAODInputHandler *aodHandler = new AliAODInputHandler();
 196     mgr->SetInputEventHandler(aodHandler);
 197     if(kInputData == "deltaAOD") aodHandler->AddFriend("deltaAODCaloTrackCorr.root");
 198     cout<<"AOD handler "<<mgr->GetInputEventHandler()<<endl;
 199   }
 200
 201   //mgr->RegisterExternalFile("deltaAODCaloTrackCorr.root");
 202   //mgr->SetDebugLevel(1); // For debugging, do not uncomment if you want no messages.
 203
 204   TString outputFile = AliAnalysisManager::GetCommonFileName();
 205
 206   //-------------------------------------------------------------------------
 207   // Define task, put here any other task that you want to use.
 208   //-------------------------------------------------------------------------
 209
 210   // Physics selection
 211   if(kInputData=="ESD")
 212   {
 213     gROOT->LoadMacro("$ALICE_ROOT/ANALYSIS/macros/AddTaskPhysicsSelection.C");
 214     AliPhysicsSelectionTask* physSelTask = AddTaskPhysicsSelection(kMC);
 215   }
 216
 217   // Centrality
 218   if(kCollision=="PbPb")
 219   {
 220     gROOT->LoadMacro("$ALICE_ROOT/ANALYSIS/macros/AddTaskCentrality.C");
 221     AliCentralitySelectionTask *taskCentrality = AddTaskCentrality();
 222   }
 223
 224   // Simple event counting tasks
 225   AliAnalysisTask* count    = AddTaskCounter("");   // All
 226   //AliAnalysisTask* countmb  = AddTaskCounter("MB"); // Min Bias
 227   AliAnalysisTask* countany = AddTaskCounter("Any");
 228   AliAnalysisTask* countint = AddTaskCounter("AnyINT");// Min Bias
 229
 230   if(!kMC)
 231   {
 232     AliAnalysisTask* countem1 = AddTaskCounter("EMC1"); // Trig Th > 1.5 GeV approx
 233     AliAnalysisTask* countem7 = AddTaskCounter("EMC7"); // Trig Th > 4-5 GeV
 234     AliAnalysisTask* countemg = AddTaskCounter("EMCEGA");
 235     AliAnalysisTask* countemj = AddTaskCounter("EMCEJE");
 236     if(kCollision=="PbPb")
 237     {
 238       AliAnalysisTask* countcen = AddTaskCounter("Central");
 239       AliAnalysisTask* countsce = AddTaskCounter("SemiCentral");
 240       AliAnalysisTask* countphP = AddTaskCounter("PHOSPb");
 241     }
 242     else AliAnalysisTask* countphp = AddTaskCounter("PHOS");
 243   }
 244
 245   // -----------------
 246   // Photon conversion
 247   // -----------------
 248 /*
 249   if(kInputData=="ESD"){
 250     printf("* Configure photon conversion analysis in macro \n");
 251     TString arguments = "-run-on-train -use-own-xyz  -force-aod -mc-off ";
 252     gROOT->LoadMacro("$ALICE_ROOT/PWGGA/GammaConversion/macros/ConfigGammaConversion.C");
 253     AliAnalysisTaskGammaConversion * taskGammaConversion =
 254     ConfigGammaConversion(arguments,mgr->GetCommonInputContainer());
 255     taskGammaConversion->SelectCollisionCandidates();
 256
 257     // Gamma Conversion AOD to AODPWG4Particle
 258     AliAnalysisTaskGCPartToPWG4Part * taskGCToPC = new AliAnalysisTaskGCPartToPWG4Part("GCPartToPWG4Part");
 259     taskGCToPC->SetGammaCutId("90035620401003321022000000090");
 260     mgr->AddTask(taskGCToPC);
 261     mgr->ConnectInput  (taskGCToPC, 0, mgr->GetCommonInputContainer() );
 262     mgr->ConnectOutput (taskGCToPC, 0, mgr->GetCommonOutputContainer());
 263   }
 264 */
 265
 266   Bool_t kPrint   = kFALSE;
 267   Bool_t deltaAOD = kFALSE;
 268   gROOT->LoadMacro("AddTaskCaloTrackCorr.C");   // $ALICE_ROOT/PWGGA/CaloTrackCorrelations/macros
 269   gROOT->LoadMacro("$ALICE_ROOT/PWGGA/EMCALTasks/macros/AddTaskEMCALClusterize.C"); // $ALICE_ROOT/PWGGA/EMCALTasks/macros
 270
 271   //gROOT->LoadMacro("$ALICE_ROOT/PWGGA/CaloTrackCorrelations/macros/QA/AddTaskCalorimeterQA.C");
 272   //AliAnalysisTaskCaloTrackCorrelation * qatask = AddTaskCalorimeterQA(kInputData,kYear,kPrint,kMC);
 273
 274   //gROOT->LoadMacro("$ALICE_ROOT/PWGGA/EMCALTasks/macros/AddTaskEMCALTriggerQA.C");
 275   //AliAnalysisTaskEMCALTriggerQA * qatrigtask = AddTaskEMCALTriggerQA();
 276
 277   // Calibration, bad map ...
 278
 279   Bool_t calibEE = kTRUE; // It is set automatically, but here we force to use it or not in any case
 280   Bool_t calibTT = kTRUE; // It is set automatically, but here we force to use it or not in any case
 281   if(kRun < 122195 || (kRun > 126437 && kRun < 136851) || kMC) calibTT=kFALSE ; // Recalibration parameters not available for LHC10a,b,c,e,f,g
 282   Bool_t badMap  = kTRUE; // It is set automatically, but here we force to use it or not in any case
 283
 284   if(kCollision=="pp")
 285   {
 286     printf("==================================== \n");
 287     printf("CONFIGURE ANALYSIS FOR PP COLLISIONS \n");
 288     printf("==================================== \n");
 289
 290     Bool_t  clTM      = kTRUE;
 291     Bool_t  reTM      = kFALSE; // Recalculate matches if not already done in clusterizer
 292     Bool_t  anTM      = kTRUE;  // Remove matched
 293     Bool_t  exo       = kTRUE;  // Remove exotic cells
 294     Bool_t  clnonlin  = kTRUE;  // Apply non linearity (clusterization)
 295     Bool_t  annonlin  = kFALSE; // Apply non linearity (analysis)
 296     Int_t   minEcell  = 50;     // 50  MeV (10 MeV used in reconstruction)
 297     Int_t   minEseed  = 100;    // 100 MeV
 298     Int_t   dTime     = 0;      // default, 250 ns
 299     Int_t   wTime     = 30;     // default 425 < T < 825 ns, careful if time calibration is on
 300     Int_t   unfMinE   = 15;     // Remove cells with less than 15 MeV from cluster after unfolding
 301     Int_t   unfFrac   = 1;      // Remove cells with less than 1% of cluster energy after unfolding
 302
 303     //Trigger
 304     TString clTrigger   = "";
 305     TString anTrigger   = "EMC7";
 306
 307     if(kMC)
 308     {
 309       clTrigger   = "";
 310       anTrigger   = "";
 311       dTime       = 0;
 312       wTime       = 0;
 313     }
 314
 315     Bool_t  selectEvents = kFALSE; // Select events depending on V0, pile-up and vertex quality
 316     Bool_t  qa     = kTRUE; // Do besides calorimeter QA analysis
 317     Bool_t  hadron = kTRUE; // Do besides charged track correlations analysis
 318
 319     //Analysis with clusterizer V1
 320
 321     TString arrayNameV1 = "";
 322
 323     AliAnalysisTaskEMCALClusterize * clv1 = AddTaskEMCALClusterize(arrayNameV1,outAOD,kMC,exo,"V1",clTrigger, clTM,
 324                                                                    minEcell,minEseed,dTime,wTime,unfMinE,unfFrac,
 325                                                                    calibEE,badMap,calibTT,clnonlin);
 326
 327     printf("Name of clusterizer1 array: %s\n",arrayNameV1.Data());
 328
 329     if(!kMC)
 330     {
 331
 332       AliAnalysisTaskCaloTrackCorrelation *anav1trig   = AddTaskCaloTrackCorr(kInputData, "EMCAL", kMC, selectEvents, exo, annonlin, outputFile.Data(),
 333                                                                               kYear,kCollision,anTrigger,arrayNameV1,reTM,anTM,
 334                                                                               -1,-1, qa, hadron,calibEE,badMap,calibTT,deltaAOD,kPrint,scale);
 335     }
 336
 337     AliAnalysisTaskCaloTrackCorrelation *anav1mb     = AddTaskCaloTrackCorr(kInputData, "EMCAL", kMC, selectEvents, exo, annonlin, outputFile.Data(),
 338                                                                             kYear,kCollision,"AnyINT",arrayNameV1,reTM,anTM,
 339                                                                             -1,-1, qa, hadron,calibEE,badMap,calibTT,deltaAOD,kPrint,scale);
 340
 341
 342
 343     //Analysis with clusterizer V2
 344     TString arrayNameV2 = "";
 345     AliAnalysisTaskEMCALClusterize * clv2 = AddTaskEMCALClusterize(arrayNameV2,outAOD,kMC,exo,"V2",clTrigger, clTM,
 346                                                                    minEcell,minEseed,dTime,wTime,
 347                                                                    calibEE,badMap,calibTT,clnonlin);
 348
 349     printf("Name of clusterizer2 array: %s\n",arrayNameV2.Data());
 350
 351     hadron = kFALSE;
 352     if(!kMC)
 353     {
 354
 355
 356       AliAnalysisTaskCaloTrackCorrelation *anav2tr   = AddTaskCaloTrackCorr(kInputData, "EMCAL", kMC, selectEvents, exo, annonlin, outputFile.Data(),
 357                                                                             kYear,kCollision,anTrigger,arrayNameV2,reTM,anTM,
 358                                                                             -1,-1,qa,hadron,calibEE,badMap,calibTT,deltaAOD,kPrint,scale);
 359     }
 360
 361
 362     AliAnalysisTaskCaloTrackCorrelation *anav2mb     = AddTaskCaloTrackCorr(kInputData, "EMCAL", kMC, selectEvents, exo, annonlin, outputFile.Data(),
 363                                                                             kYear,kCollision,"AnyINT",arrayNameV2,reTM,anTM,
 364                                                                             -1,-1, qa, hadron,calibEE,badMap,calibTT,deltaAOD,kPrint,scale);
 365   }
 366
 367   if(kCollision=="PbPb")
 368   {
 369     printf("====================================== \n");
 370     printf("CONFIGURE ANALYSIS FOR PbPb COLLISIONS \n");
 371     printf("====================================== \n");
 372
 373     Bool_t  clTM      = kTRUE;
 374     Bool_t  reTM      = kFALSE; // Recalculate matches if not already done in clusterizer
 375     Bool_t  anTM      = kTRUE;  // Remove matched
 376     Bool_t  exo       = kTRUE;  // Remove exotic cells
 377     Bool_t  clnonlin  = kTRUE;  // Apply non linearity (clusterization)
 378     Bool_t  annonlin  = kFALSE; // Apply non linearity (analysis)
 379     Int_t   minEcell  = 150;    // 50  MeV (10 MeV used in reconstruction)
 380     Int_t   minEseed  = 300;    // 100 MeV
 381     Int_t   dTime     = 0;      // default, 250 ns
 382     Int_t   wTime     = 0;      // default 425 < T < 825 ns
 383     Int_t   unfMinE   = 15;     // Remove cells with less than 15 MeV from cluster after unfolding
 384     Int_t   unfFrac   = 1;      // Remove cells with less than 1% of cluster energy after unfolding
 385
 386     // Trigger
 387     TString clTrigger = "";
 388     TString anTrigger = "EMCGA";
 389     if(kMC)
 390     {
 391       clTrigger = "";
 392       anTrigger = "";
 393       dTime       = 0;
 394       wTime       = 0;
 395     }
 396
 397     Bool_t  selectEvents = kFALSE; // Select events depending on V0, pile-up and vertex quality
 398     Bool_t  qa     = kTRUE; // Do besides calorimeter QA analysis
 399     Bool_t  hadron = kTRUE; // Do besides charged track correlations analysis
 400
 401     //Analysis with clusterizer V1
 402
 403     TString arrayNameV1 = "";
 404     AliAnalysisTaskEMCALClusterize * clv1 = AddTaskEMCALClusterize(arrayNameV1,outAOD,kMC,exo,"V1",clTrigger, clTM,
 405                                                                    minEcell,minEseed,dTime,wTime,unfMinE,unfFrac,
 406                                                                    calibEE,badMap,calibTT,clnonlin);
 407
 408     printf("Name of clusterizer1 array: %s\n",arrayNameV1.Data());
 409
 410     if(!kMC)
 411     {
 412       AliAnalysisTaskCaloTrackCorrelation *anav1c   = AddTaskCaloTrackCorr(kInputData, "EMCAL", kMC, selectEvents, exo, annonlin, outputFile.Data(),
 413                                                                            kYear,kCollision,anTrigger,arrayNameV1,reTM,anTM,
 414                                                                            0,20,qa,hadron,calibEE,badMap,calibTT,deltaAOD,kPrint);
 415       AliAnalysisTaskCaloTrackCorrelation *anav1m   = AddTaskCaloTrackCorr(kInputData, "EMCAL", kMC, selectEvents, exo, annonlin, outputFile.Data(),
 416                                                                            kYear,kCollision,anTrigger,arrayNameV1,reTM,anTM,
 417                                                                            20,40,qa,hadron,calibEE,badMap,calibTT,deltaAOD,kPrint);
 418       AliAnalysisTaskCaloTrackCorrelation *anav1p   = AddTaskCaloTrackCorr(kInputData, "EMCAL", kMC,  selectEvents, exo, annonlin, outputFile.Data(),
 419                                                                            kYear,kCollision,anTrigger,arrayNameV1,reTM,anTM,
 420                                                                            60,80,qa,hadron,calibEE,badMap,calibTT,deltaAOD,kPrint);
 421     }
 422
 423     //Analysis with clusterizer V2
 424
 425     TString arrayNameV2 = "";
 426     AliAnalysisTaskEMCALClusterize * clv2 = AddTaskEMCALClusterize(arrayNameV2,outAOD,kMC,exo,"V2",clTrigger, clTM,
 427                                                                    minEcell,minEseed,dTime,wTime,unfMinE,unfFrac,
 428                                                                    calibEE,badMap,calibTT,clnonlin);
 429
 430     printf("Name of clusterizer2 array: %s\n",arrayNameV2.Data());
 431
 432     hadron = kFALSE;
 433
 434     if(!kMC)
 435     {
 436
 437       AliAnalysisTaskCaloTrackCorrelation *anav2cT   = AddTaskCaloTrackCorr(kInputData, "EMCAL", kMC, selectEvents, exo, annonlin, outputFile.Data(),
 438                                                                             kYear,kCollision,anTrigger,arrayNameV2,reTM,anTM,
 439                                                                             0,20,qa,hadron,calibEE,badMap,calibTT,deltaAOD,kPrint);
 440       AliAnalysisTaskCaloTrackCorrelation *anav2mT   = AddTaskCaloTrackCorr(kInputData, "EMCAL", kMC, selectEvents, exo, annonlin, outputFile.Data(),
 441                                                                             kYear,kCollision,anTrigger,arrayNameV2,reTM,anTM,
 442                                                                             20,40,qa,hadron,calibEE,badMap,calibTT,deltaAOD,kPrint);
 443       AliAnalysisTaskCaloTrackCorrelation *anav2pT   = AddTaskCaloTrackCorr(kInputData, "EMCAL", kMC, selectEvents, exo, annonlin, outputFile.Data(),
 444                                                                             kYear,kCollision,anTrigger,arrayNameV2,reTM,anTM,
 445                                                                             60,80,qa,hadron,calibEE,badMap,calibTT,deltaAOD,kPrint);
 446     }
 447
 448     AliAnalysisTaskCaloTrackCorrelation *anav2cMB   = AddTaskCaloTrackCorr(kInputData, "EMCAL", kMC, selectEvents, exo, annonlin, outputFile.Data(),
 449                                                                            kYear,kCollision,"AnyINT",arrayNameV2,reTM,anTM,
 450                                                                            0,20,qa,hadron,calibEE,badMap,calibTT,deltaAOD,kPrint);
 451     AliAnalysisTaskCaloTrackCorrelation *anav2mMB   = AddTaskCaloTrackCorr(kInputData, "EMCAL", kMC, selectEvents, exo, annonlin, outputFile.Data(),
 452                                                                            kYear,kCollision,"AnyINT",arrayNameV2,reTM,anTM,
 453                                                                            20,40,qa,hadron,calibEE,badMap,calibTT,deltaAOD,kPrint);
 454     AliAnalysisTaskCaloTrackCorrelation *anav2pMB   = AddTaskCaloTrackCorr(kInputData, "EMCAL", kMC, selectEvents, exo, annonlin, outputFile.Data(),
 455                                                                            kYear,kCollision,"AnyINT",arrayNameV2,reTM,anTM,
 456                                                                            60,80,qa,hadron,calibEE,badMap,calibTT,deltaAOD,kPrint);
 457
 458
 459   }
 460
 461
 462
 463   //-----------------------
 464   // Run the analysis
 465   //-----------------------
 466   mgr->InitAnalysis();
 467   mgr->PrintStatus();
 468
 469   if      (mode == mPlugin) mgr->StartAnalysis("grid");
 470   else if (mode == mPROOF ) mgr->StartAnalysis("proof",chain);
 471   else                      mgr->StartAnalysis("local",chain);
 472
 473   cout <<" Analysis ended sucessfully "<< endl ;
 474
 475 }
 476
 477 //_____________________________
 478 void  LoadLibraries(Int_t mode)
 479 {
 480
 481   if (mode == mPROOF) {
 482     //TProof::Mgr("ccalpmaster")->SetROOTVersion("ALICE_v5-27-06b");
 483     gROOT->LoadMacro("/afs/in2p3.fr/group/alice/laf/EnableAliRootForLAF.C");
 484     TProof* proof = EnableAliRootForLAF("ccaplmaster",nPROOFWorkers.Data(),ccin2p3UserName.Data(),alienUserName.Data(),"",kFALSE,kTRUE,kTRUE,"OADB:ANALYSIS:ANALYSISalice:AOD:ESD:CORRFW:STEERBase:EMCALUtils:PHOSUtils:PWGCaloTrackCorrBase:PWGGACaloTrackCorrelations:PWGGAEMCALTasks");
 485
 486     //  TProof* proof = TProof::Open("ccaplmaster",Form("workers=%s",nPROOFWorkers.Data()));
 487
 488     //     //proof->ClearPackages();
 489     //     proof->UploadPackage("STEERBase");
 490     //     proof->UploadPackage("ESD");
 491     //     proof->UploadPackage("AOD");
 492     //     proof->UploadPackage("ANALYSIS");
 493     //     proof->UploadPackage("OADB");
 494     //     proof->UploadPackage("ANALYSISalice");
 495     //     proof->UploadPackage("CORRFW");
 496     //     //proof->UploadPackage("JETAN");
 497     //     proof->UploadPackage("PHOSUtils");
 498     //     proof->UploadPackage("EMCALUtils");
 499     //     proof->UploadPackage("PWGCaloTrackCorrBase");
 500     //     proof->UploadPackage("PWGGACaloTrackCorrelations");
 501     //     proof->UploadPackage("PWGGAEMCALTasks");
 502
 503     //     proof->EnablePackage("STEERBase");
 504     //     proof->EnablePackage("ESD");
 505     //     proof->EnablePackage("AOD");
 506     //     proof->EnablePackage("ANALYSIS");
 507     //     proof->EnablePackage("OADB");
 508     //     proof->EnablePackage("ANALYSISalice");
 509     //     proof->EnablePackage("CORRFW");
 510     //     //proof->EnablePackage("JETAN");
 511     //     proof->EnablePackage("PHOSUtils");
 512     //     proof->EnablePackage("EMCALUtils");
 513     //     proof->EnablePackage("PWGCaloTrackCorrBase");
 514     //     proof->EnablePackage("PWGGACaloTrackCorrelations");
 515     //     proof->EnablePackage("PWGGAEMCALTasks");
 516     return;
 517   }
 518
 519   //--------------------------------------
 520   // Load the needed libraries most of them already loaded by aliroot
 521   //--------------------------------------
 522   gSystem->Load("libTree.so");
 523   gSystem->Load("libGeom.so");
 524   gSystem->Load("libVMC.so");
 525   gSystem->Load("libXMLIO.so");
 526   gSystem->Load("libMatrix.so");
 527   gSystem->Load("libPhysics.so");
 528   gSystem->Load("libMinuit.so"); // Root + libraries to if reclusterization is done
 529
 530   gSystem->Load("libSTEERBase.so");
 531   gSystem->Load("libGui.so"); // Root + libraries to if reclusterization is done
 532   gSystem->Load("libCDB.so"); // Root + libraries to if reclusterization is done
 533   gSystem->Load("libESD.so"); // Root + libraries to if reclusterization is done
 534   gSystem->Load("libAOD.so");
 535   gSystem->Load("libRAWDatabase.so"); // Root + libraries to if reclusterization is done
 536   gSystem->Load("libProof.so");
 537   gSystem->Load("libOADB");
 538   gSystem->Load("libANALYSIS.so");
 539   gSystem->Load("libSTEER.so"); // Root + libraries to if reclusterization is done
 540
 541   gSystem->Load("libRAWDatarec.so"); // Root + libraries to if reclusterization is done
 542   gSystem->Load("libRAWDatasim.so"); // Root + libraries to if reclusterization is done
 543   gSystem->Load("libVZERObase.so");  // Root + libraries to if reclusterization is done
 544   gSystem->Load("libVZEROrec.so");   // Root + libraries to if reclusterization is done
 545
 546   gSystem->Load("libEMCALUtils");
 547   //SetupPar("EMCALUtils");
 548   gSystem->Load("libEMCALraw");  // Root + libraries to if reclusterization is done
 549   gSystem->Load("libEMCALbase"); // Root + libraries to if reclusterization is done
 550   gSystem->Load("libEMCALsim");  // Root + libraries to if reclusterization is done
 551   gSystem->Load("libEMCALrec");  // Root + libraries to if reclusterization is done
 552   //SetupPar("EMCALraw");
 553   //SetupPar("EMCALbase");
 554   //SetupPar("EMCALsim");
 555   //SetupPar("EMCALrec");
 556
 557   gSystem->Load("libANALYSISalice.so");
 558   //gSystem->Load("libTENDER.so");
 559   //gSystem->Load("libTENDERSupplies.so");
 560
 561   gSystem->Load("libPHOSUtils");
 562   gSystem->Load("libEMCALUtils");
 563   gSystem->Load("libPWGCaloTrackCorrBase");
 564   gSystem->Load("libPWGGACaloTrackCorrelations");
 565   gSystem->Load("libPWGGAEMCALTasks");
 566   //SetupPar("PWGCaloTrackCorrBase");
 567   //SetupPar("PWGGACaloTrackCorrelations");
 568   //SetupPar("PWGGAEMCALTasks");
 569
 570
 571   //gSystem->Load("libJETAN");
 572   //gSystem->Load("FASTJETAN");
 573   //gSystem->Load("PWGJE");
 574
 575   //gSystem->Load("libCORRFW.so");
 576   //gSystem->Load("libPWGGAGammaConv.so");
 577   //SetupPar("PWGGAGammaConv");
 578
 579   // needed for plugin?
 580   gSystem->AddIncludePath("-I$ALICE_ROOT");
 581   gSystem->AddIncludePath("-I./");
 582
 583 }
 584
 585 //_________________________________
 586 void SetupPar(char* pararchivename)
 587 {
 588   //Load par files, create analysis libraries
 589   //For testing, if par file already decompressed and modified
 590   //classes then do not decompress.
 591
 592   TString cdir(Form("%s", gSystem->WorkingDirectory() )) ;
 593   TString parpar(Form("%s.par", pararchivename)) ;
 594
 595   if ( gSystem->AccessPathName(pararchivename) ) {
 596     TString processline = Form(".! tar xvzf %s",parpar.Data()) ;
 597     gROOT->ProcessLine(processline.Data());
 598   }
 599
 600   TString ocwd = gSystem->WorkingDirectory();
 601   gSystem->ChangeDirectory(pararchivename);
 602
 603   // check for BUILD.sh and execute
 604   if (!gSystem->AccessPathName("PROOF-INF/BUILD.sh")) {
 605     printf("*******************************\n");
 606     printf("*** Building PAR archive    ***\n");
 607     cout<<pararchivename<<endl;
 608     printf("*******************************\n");
 609
 610     if (gSystem->Exec("PROOF-INF/BUILD.sh")) {
 611       Error("runProcess","Cannot Build the PAR Archive! - Abort!");
 612       return -1;
 613     }
 614   }
 615   // check for SETUP.C and execute
 616   if (!gSystem->AccessPathName("PROOF-INF/SETUP.C")) {
 617     printf("*******************************\n");
 618     printf("*** Setup PAR archive       ***\n");
 619     cout<<pararchivename<<endl;
 620     printf("*******************************\n");
 621     gROOT->Macro("PROOF-INF/SETUP.C");
 622   }
 623
 624   gSystem->ChangeDirectory(ocwd.Data());
 625   printf("Current dir: %s\n", ocwd.Data());
 626 }
 627
 628 //______________________________________
 629 void CheckInputData(const anaModes mode)
 630 {
 631   //Sets input data and tree
 632
 633   TString ocwd = gSystem->WorkingDirectory();
 634
 635   //---------------------------------------
 636   //Local files analysis
 637   //---------------------------------------
 638   if(mode == mLocal){
 639     //If you want to add several ESD files sitting in a common directory INDIR
 640     //Specify as environmental variables the directory (INDIR), the number of files
 641     //to analyze (NFILES) and the pattern name of the directories with files (PATTERN)
 642
 643     if(gSystem->Getenv("INDIR"))
 644       kInDir = gSystem->Getenv("INDIR") ;
 645     else cout<<"INDIR not set, use default: "<<kInDir<<endl;
 646
 647     TString sindir(kInDir);
 648     if     (sindir.Contains("pass1")) kPass = "pass1";
 649     else if(sindir.Contains("pass2")) kPass = "pass2";
 650     else if(sindir.Contains("pass3")) kPass = "pass3";
 651
 652     if(gSystem->Getenv("PATTERN"))
 653       kPattern = gSystem->Getenv("PATTERN") ;
 654     else  cout<<"PATTERN not set, use default: "<<kPattern<<endl;
 655
 656     cout<<"INDIR   : "<<kInDir<<endl;
 657     cout<<"NFILES  : "<<kFile<<endl;
 658
 659     char fileE[120] ;
 660     char fileA[120] ;
 661     char fileG[120] ;
 662     char fileEm[120] ;
 663     for (Int_t event = 0 ; event < kFile ; event++) {
 664       sprintf(fileE,  "%s/%s%d/AliESDs.root",    kInDir,kPattern,event) ;
 665       sprintf(fileA,  "%s/%s%d/AliAOD.root",     kInDir,kPattern,event) ;
 666       sprintf(fileG,  "%s/%s%d/galice.root",     kInDir,kPattern,event) ;
 667       sprintf(fileEm, "%s/%s%d/embededAOD.root", kInDir,kPattern,event) ;
 668
 669       TFile * fESD = TFile::Open(fileE) ;
 670       TFile * fAOD = TFile::Open(fileA) ;
 671
 672       //Check if file exists and add it, if not skip it
 673       if (fESD)
 674       {
 675         kTreeName  = "esdTree";
 676         kInputData = "ESD";
 677         TFile * fG = TFile::Open(fileG);
 678         if(fG) { kMC = kTRUE; fG->Close();}
 679         else     kMC = kFALSE;
 680
 681         // Get run number
 682         TTree* esdTree = (TTree*)fESD->Get("esdTree");
 683         AliESDEvent* esd = new AliESDEvent();
 684         esd->ReadFromTree(esdTree);
 685         esdTree->GetEvent(0);
 686         kRun = esd->GetRunNumber();
 687
 688         return;
 689       }
 690       else if(fAOD)
 691       {
 692         kTreeName  = "aodTree";
 693         kInputData = "AOD";
 694         if(((TTree*) fAOD->Get("aodTree"))->GetBranch("mcparticles")) kMC=kTRUE;
 695         else kMC = kFALSE;
 696
 697         // Get run number
 698         TTree* aodTree = (TTree*)fAOD->Get("aodTree");
 699         AliAODEvent* aod = new AliAODEvent();
 700         aod->ReadFromTree(aodTree);
 701         aodTree->GetEvent(0);
 702         kRun = aod->GetRunNumber();
 703         return;
 704       }
 705       else if(TFile::Open(fileEm))
 706       {
 707         kTreeName  = "aodTree";
 708         kInputData = "AOD";
 709         kMC        = kTRUE;
 710
 711         return;
 712       }
 713       else if(TFile::Open(fileG))
 714       {
 715         kTreeName  = "TE";
 716         kInputData = "MC";
 717         kMC        = kTRUE;
 718         return;
 719       }
 720     }
 721
 722     if(fESD) fESD->Close();
 723     if(fAOD) fAOD->Close();
 724
 725   }// local files analysis
 726
 727   //------------------------------
 728   //GRID xml files
 729   //-----------------------------
 730   else if(mode == mGRID){
 731     //Get colection file. It is specified by the environmental
 732     //variable XML
 733
 734     if(gSystem->Getenv("XML") )
 735       kXML = gSystem->Getenv("XML");
 736     else
 737       sprintf(kXML, "collection.xml") ;
 738
 739     if (!TFile::Open(kXML)) {
 740       printf("No collection file with name -- %s -- was found\n",kXML);
 741       return ;
 742     }
 743     else cout<<"XML file "<<kXML<<endl;
 744
 745     //Load necessary libraries and connect to the GRID
 746     gSystem->Load("libNetx.so") ;
 747     gSystem->Load("libRAliEn.so");
 748     TGrid::Connect("alien://") ;
 749
 750     //Feed Grid with collection file
 751     TGridCollection * collection = (TGridCollection*) TAlienCollection::Open(kXML);
 752     if (! collection) {
 753       AliError(Form("%s not found", kXML)) ;
 754       return kFALSE ;
 755     }
 756     TGridResult* result = collection->GetGridResult("",0 ,0);
 757
 758     for (Int_t index = 0; index < result->GetEntries(); index++) {
 759       TString alienURL = result->GetKey(index, "turl") ;
 760       cout << "================== " << alienURL << endl ;
 761
 762       if     (alienURL.Contains("pass1")) kPass = "pass1";
 763       else if(alienURL.Contains("pass2")) kPass = "pass2";
 764       else if(alienURL.Contains("pass3")) kPass = "pass3";
 765
 766       kRun = AliAnalysisManager::GetRunFromAlienPath(alienURL.Data());
 767       printf("Run number from alien path = %d\n",kRun);
 768
 769       TFile * fAOD = 0 ;
 770       //Check if file exists and add it, if not skip it
 771       if (alienURL.Contains("AliESDs.root"))
 772       {
 773         kTreeName  = "esdTree";
 774         kInputData = "ESD";
 775         alienURL.ReplaceAll("AliESDs.root","galice.root");
 776         if(TFile::Open(alienURL)) kMC=kTRUE;
 777         else kMC = kFALSE;
 778         return;
 779       }
 780       else if(alienURL.Contains("AliAOD.root"))
 781       {
 782         kTreeName  = "aodTree";
 783         kInputData = "AOD";
 784         fAOD = TFile::Open(alienURL);
 785         if(((TTree*) fAOD->Get("aodTree"))->GetBranch("mcparticles")) kMC=kTRUE;
 786         else kMC = kFALSE;
 787         return;
 788       }
 789       else if(alienURL.Contains("embededAOD.root"))
 790       {
 791         kTreeName  = "aodTree";
 792         kInputData = "AOD";
 793         kMC=kTRUE;
 794         return;
 795       }
 796       else if(alienURL.Contains("galice.root"))
 797       {
 798         kTreeName  = "TE";
 799         kInputData = "MC";
 800         kMC=kTRUE;
 801         return;
 802       }
 803     }
 804   }// xml analysis
 805   //------------------------------
 806   //PROOF files
 807   //-----------------------------
 808   else if(mode == mPROOF){
 809
 810     TFileCollection* coll  = gProof->GetDataSet(kDatasetPROOF)->GetStagedSubset();
 811
 812     TIter iter(coll->GetList());
 813
 814     TFileInfo* fileInfo = 0;
 815     while ((fileInfo = dynamic_cast<TFileInfo*> (iter())))
 816     {
 817       if (fileInfo->GetFirstUrl()) {
 818         TString ProofURL = fileInfo->GetFirstUrl()->GetUrl();
 819         cout << "================== " << ProofURL << endl ;
 820
 821         if     (ProofURL.Contains("pass1")) kPass = "pass1";
 822         else if(ProofURL.Contains("pass2")) kPass = "pass2";
 823         else if(ProofURL.Contains("pass3")) kPass = "pass3";
 824
 825         kRun = AliAnalysisManager::GetRunFromAlienPath(ProofURL.Data());
 826         printf("Run number from alien path = %d\n",kRun);
 827
 828         TFile * fAOD = 0 ;
 829         //Check if file exists and add it, if not skip it
 830         if (ProofURL.Contains("AliESDs.root"))
 831         {
 832           kTreeName  = "esdTree";
 833           kInputData = "ESD";
 834           alienURL.ReplaceAll("AliESDs.root","galice.root");
 835           if(TFile::Open(ProofURL)) kMC=kTRUE;
 836           else kMC = kFALSE;
 837
 838           return;
 839         }
 840         else if(ProofURL.Contains("AliAOD.root"))
 841         {
 842           kTreeName  = "aodTree";
 843           kInputData = "AOD";
 844           fAOD = TFile::Open(ProofURL);
 845           if(((TTree*) fAOD->Get("aodTree"))->GetBranch("mcparticles")) kMC=kTRUE;
 846           else kMC = kFALSE;
 847           return;
 848         }
 849         else if(ProofURL.Contains("embededAOD.root"))
 850         {
 851           kTreeName  = "aodTree";
 852           kInputData = "AOD";
 853           kMC=kTRUE;
 854           return;
 855         }
 856         else if(ProofURL.Contains("galice.root"))
 857         {
 858           kTreeName  = "TE";
 859           kInputData = "MC";
 860           kMC=kTRUE;
 861           return;
 862         }
 863       }
 864     }
 865   }// proof analysis
 866
 867   gSystem->ChangeDirectory(ocwd.Data());
 868
 869 }
 870
 871 //_____________________________________________________________________
 872 void CreateChain(const anaModes mode, TChain * chain, TChain * chainxs)
 873 {
 874   //Fills chain with data
 875   TString ocwd = gSystem->WorkingDirectory();
 876
 877   //---------------------------------------
 878   // Local files analysis
 879   //---------------------------------------
 880   if(mode == mLocal){
 881     //If you want to add several ESD files sitting in a common directory INDIR
 882     //Specify as environmental variables the directory (INDIR), the number of files
 883     //to analyze (NFILES) and the pattern name of the directories with files (PATTERN)
 884
 885     if(gSystem->Getenv("INDIR"))
 886       kInDir = gSystem->Getenv("INDIR") ;
 887     else cout<<"INDIR not set, use default: "<<kInDir<<endl;
 888
 889     if(gSystem->Getenv("PATTERN"))
 890       kPattern = gSystem->Getenv("PATTERN") ;
 891     else  cout<<"PATTERN not set, use default: "<<kPattern<<endl;
 892
 893     if(gSystem->Getenv("NFILES"))
 894       kFile = atoi(gSystem->Getenv("NFILES")) ;
 895     else cout<<"NFILES not set, use default: "<<kFile<<endl;
 896
 897     //Check if env variables are set and are correct
 898     if ( kInDir  && kFile) {
 899       printf("Get %d files from directory %s\n",kFile,kInDir);
 900       if ( ! gSystem->cd(kInDir) ) {//check if ESDs directory exist
 901         printf("%s does not exist\n", kInDir) ;
 902         return ;
 903       }
 904
 905       //if(gSystem->Getenv("XSFILE"))
 906       //kXSFileName = gSystem->Getenv("XSFILE") ;
 907       //else cout<<" XS file name not set, use default: "<<kXSFileName<<endl;
 908       char * kGener = gSystem->Getenv("GENER");
 909       if(kGener) {
 910         cout<<"GENER "<<kGener<<endl;
 911         if     (!strcmp(kGener,"PYTHIA")) kXSFileName = "pyxsec.root";
 912         else if(!strcmp(kGener,"HERWIG")) kXSFileName = "hexsec.root";
 913         else cout<<" UNKNOWN GENER, use default: "<<kXSFileName<<endl;
 914       }
 915       else cout<<" GENER not set, use default xs file name: "<<kXSFileName<<endl;
 916
 917       cout<<"INDIR   : "<<kInDir     <<endl;
 918       cout<<"NFILES  : "<<kFile      <<endl;
 919       cout<<"PATTERN : "<<kPattern   <<endl;
 920       cout<<"XSFILE  : "<<kXSFileName<<endl;
 921
 922       TString datafile="";
 923       if     (kInputData == "ESD")        datafile = "AliESDs.root" ;
 924       else if(kInputData.Contains("AOD")) datafile = "AliAOD.root"  ;
 925       else if(kInputData == "MC")         datafile = "galice.root"  ;
 926
 927       //Loop on ESD/AOD/MC files, add them to chain
 928       Int_t event =0;
 929       Int_t skipped=0 ;
 930       char file[120] ;
 931       char filexs[120] ;
 932
 933       for (event = 0 ; event < kFile ; event++) {
 934         sprintf(file,   "%s/%s%d/%s", kInDir,kPattern,event,datafile.Data()) ;
 935         sprintf(filexs, "%s/%s%d/%s", kInDir,kPattern,event,kXSFileName) ;
 936         TFile * fData = 0 ;
 937         //Check if file exists and add it, if not skip it
 938         if ( fData = TFile::Open(file)) {
 939           if ( fData->Get(kTreeName) ) {
 940             printf("++++ Adding %s\n", file) ;
 941             chain->AddFile(file);
 942             chainxs->Add(filexs) ;
 943           }
 944         }
 945         else {
 946           printf("---- Skipping %s\n", file) ;
 947           skipped++ ;
 948         }
 949       }
 950     }
 951     else {
 952       TString input = "AliESDs.root" ;
 953       cout<<">>>>>> No list added, take a single file <<<<<<<<< "<<input<<endl;
 954       chain->AddFile(input);
 955     }
 956
 957   }// local files analysis
 958
 959   //------------------------------
 960   // GRID xml files
 961   //------------------------------
 962   else if(mode == mGRID){
 963     //Get colection file. It is specified by the environmental
 964     //variable XML
 965
 966     //Feed Grid with collection file
 967     TGridCollection * collection = (TGridCollection*) TAlienCollection::Open(kXML);
 968     if (! collection) {
 969       AliError(Form("%s not found", kXML)) ;
 970       return kFALSE ;
 971     }
 972
 973     TGridResult* result = collection->GetGridResult("",0 ,0);
 974
 975     // Makes the ESD chain
 976     printf("*** Getting the Chain       ***\n");
 977     for (Int_t index = 0; index < result->GetEntries(); index++) {
 978       TString alienURL = result->GetKey(index, "turl") ;
 979       cout << "================== " << alienURL << endl ;
 980       chain->Add(alienURL) ;
 981       alienURL.ReplaceAll("AliESDs.root",kXSFileName);
 982       chainxs->Add(alienURL) ;
 983     }
 984   }// xml analysis
 985
 986   //------------------------------
 987   // PROOF
 988   //------------------------------
 989   else if (mode == mPROOF) {
 990
 991     TFileCollection* ds= gProof->GetDataSet(kDatasetPROOF)->GetStagedSubset();
 992
 993     gROOT->LoadMacro("/afs/in2p3.fr/group/alice/laf/dataset_management/CreateChainFromDataSet.C");
 994     chain = CreateChainFromDataSet(ds, kTreeName , kDatasetNMaxFiles);
 995     printf("chain has %d entries\n",chain->GetEntries());
 996   }
 997
 998   gSystem->ChangeDirectory(ocwd.Data());
 999
1000 }
1001
1002 //______________________________
1003 void CheckEnvironmentVariables()
1004 {
1005
1006   sprintf(kTrigger,"");
1007
1008   Bool_t bRecalibrate = kFALSE;
1009   Bool_t bBadChannel = kFALSE;
1010
1011   for (int i=0; i< gApplication->Argc();i++){
1012
1013 #ifdef VERBOSEARGS
1014
1015     printf("Arg  %d:  %s\n",i,gApplication->Argv(i));
1016
1017 #endif
1018
1019     TString sRun = "";
1020
1021     if (!(strcmp(gApplication->Argv(i),"--trigger")))
1022       sprintf(trigger,gApplication->Argv(i+1));
1023
1024     if (!(strcmp(gApplication->Argv(i),"--recalibrate")))
1025       bRecalibrate = atoi(gApplication->Argv(i+1));
1026
1027     if (!(strcmp(gApplication->Argv(i),"--badchannel")))
1028       bBadChannel = atoi(gApplication->Argv(i+1));
1029
1030     if (!(strcmp(gApplication->Argv(i),"--run"))){
1031       sRun = gApplication->Argv(i+1);
1032       if(sRun.Contains("LHC10")) {
1033         kYear = 2010;
1034       }
1035       else {
1036         if(kRun <=0){
1037           kRun = atoi(gApplication->Argv(i+1));
1038         }
1039         else printf("** Run number already set  to %d, do not set to %d\n",kRun,atoi(gApplication->Argv(i+1)));
1040       }//numeric run
1041     }//--run available
1042
1043   }// args loop
1044
1045   if(!sRun.Contains("LHC10")){
1046     if     ( kRun < 140000)
1047     {
1048       kYear = 2010;
1049       if( kRun >= 136851 ) kCollision = "PbPb";
1050     }
1051     else if( kRun < 170600)
1052     {
1053       kYear = 2011;
1054       if( kRun >= 166500 ) kCollision = "PbPb";
1055     }
1056     else
1057     {
1058       kYear = 2012;
1059
1060     }
1061   }
1062
1063   if(kMC) sprintf(kTrigger,"");
1064
1065   printf("*********************************************\n");
1066   //printf("*** Settings trigger %s, recalibrate %d, remove bad channels %d, year %d, collision %s, run %d ***\n",
1067   //       kTrigger,bRecalibrate,bBadChannel, kYear,kCollision.Data(), kRun);
1068   printf("*** Settings year %d, collision %s, run %d ***\n",kYear,kCollision.Data(), kRun);
1069   printf("*********************************************\n");
1070
1071 }
1072
1073 //_________________________________________________________________
1074 void GetAverageXsection(TTree * tree, Double_t & xs, Float_t & ntr)
1075 {
1076   // Read the PYTHIA statistics from the file pyxsec.root created by
1077   // the function WriteXsection():
1078   // integrated cross section (xsection) and
1079   // the  number of Pyevent() calls (ntrials)
1080   // and calculate the weight per one event xsection/ntrials
1081   // The spectrum calculated by a user should be
1082   // multiplied by this weight, something like this:
1083   // TH1F *userSpectrum ... // book and fill the spectrum
1084   // userSpectrum->Scale(weight)
1085   //
1086   // Yuri Kharlov 19 June 2007
1087   // Gustavo Conesa 15 April 2008
1088   Double_t xsection = 0;
1089   UInt_t    ntrials = 0;
1090   xs = 0;
1091   ntr = 0;
1092
1093   Int_t nfiles =  tree->GetEntries()  ;
1094   if (tree && nfiles > 0) {
1095     tree->SetBranchAddress("xsection",&xsection);
1096     tree->SetBranchAddress("ntrials" ,&ntrials );
1097     for(Int_t i = 0; i < nfiles; i++){
1098       tree->GetEntry(i);
1099       xs  += xsection ;
1100       ntr += ntrials ;
1101       cout << "xsection " <<xsection<<" ntrials "<<ntrials<<endl;
1102     }
1103
1104     xs =   xs /  nfiles;
1105     ntr =  ntr / nfiles;
1106     cout << "-----------------------------------------------------------------"<<endl;
1107     cout << "Average of "<< nfiles<<" files: xsection " <<xs<<" ntrials "<<ntr<<endl;
1108     cout << "-----------------------------------------------------------------"<<endl;
1109   }
1110   else cout << " >>>> Empty tree !!!! <<<<< "<<endl;
1111
1112 }
1113