[u/mrichter/AliRoot.git] / PWG2 / FLOW / macros / runFlowTask.C

enum anaModes {mLocal,mLocalPAR,mPROOF,mGRID};
//mLocal: Analyze locally files in your computer using aliroot
//mLocalPAR: Analyze locally files in your computer using root + PAR files
//mPROOF: Analyze CAF files with PROOF

// RUN SETTINGS

// Flow analysis method can be:(set to kTRUE or kFALSE)
Bool_t MCEP     = kTRUE;  // correlation with Monte Carlo reaction plane
Bool_t SP       = kTRUE;  // scalar product method (similar to eventplane method)
Bool_t GFC      = kTRUE;  // cumulants based on generating function
Bool_t QC       = kTRUE;  // cumulants using Q vectors
Bool_t FQD      = kTRUE;  // fit of the distribution of the Q vector (only integrated v)
Bool_t LYZ1SUM  = kTRUE;  // Lee Yang Zeroes using sum generating function (integrated v)
Bool_t LYZ1PROD = kTRUE;  // Lee Yang Zeroes using product generating function (integrated v)
Bool_t LYZ2SUM  = kFALSE; // Lee Yang Zeroes using sum generating function (second pass differential v)
Bool_t LYZ2PROD = kFALSE; // Lee Yang Zeroes using product generating function (second pass differential v)
Bool_t LYZEP    = kFALSE; // Lee Yang Zeroes Event plane using sum generating function (gives eventplane + weight)
Bool_t MH       = kTRUE;  // azimuthal correlators in mixed harmonics  
Bool_t NL       = kTRUE;  // nested loops (for instance distribution of phi1-phi2 for all distinct pairs)

Bool_t METHODS[] = {SP,LYZ1SUM,LYZ1PROD,LYZ2SUM,LYZ2PROD,LYZEP,GFC,QC,FQD,MCEP,MH,NL};

// Analysis type can be ESD, AOD, MC, ESDMCkineESD, ESDMCkineMC, MK
const TString type = "ESD";

// Boolean to fill/not fill the QA histograms
Bool_t QA = kTRUE;   

// Boolean to use/not use weights for the Q vector
Bool_t WEIGHTS[] = {kFALSE,kFALSE,kFALSE}; //Phi, v'(pt), v'(eta)


//void runFlowTask(Int_t mode=mLocal, Int_t nRuns = 2, 
//Bool_t DATA = kTRUE, const Char_t* dataDir="/data/alice2/kolk/PP/data/LHC09d/104892/test", Int_t offset = 0)
//              Bool_t DATA = kFALSE, const Char_t* dataDir="/data/alice2/kolk/PP/LHC09d10/104873", Int_t offset = 0)

void runFlowTask(Int_t mode = mPROOF, Int_t nRuns = 50000000, 
		 //Bool_t DATA = kFALSE, const Char_t* dataDir="/PWG2/akisiel/Therminator_midcentral_ESD", Int_t offset=0)
		 //Bool_t DATA = kFALSE, const Char_t* dataDir="/PWG2/akisiel/LHC10d6_0.9TeV_EPOS_12502X", Int_t offset=0)
		 //Bool_t DATA = kFALSE, const Char_t* dataDir="/alice/sim/LHC10d2_117048", Int_t offset=0) //phojet 7 TeV		 
		 //Bool_t DATA = kTRUE, const Char_t* dataDir="/alice/data/LHC09d_000104792_p6", Int_t offset=0) //data 0.9 TeV
		 Bool_t DATA = kFALSE, const Char_t* dataDir="/PWG4/morsch/HIJING_CENT_4EV", Int_t offset=0) //hijing Pb Pb pilot

//void runFlowTask(Int_t mode = mGRID, Bool_t DATA = kTRUE)
{
  TStopwatch timer;
  timer.Start();
  
  CrossCheckUserSettings(DATA);

  LoadLibraries(mode);

  if (mode == mGRID) {
    // Create and configure the alien handler plugin
    gROOT->LoadMacro("CreateAlienHandler.C");
    AliAnalysisGrid *alienHandler = CreateAlienHandler();  
    if (!alienHandler) return;
  }
  
  if (mode==mLocal || mode == mLocalPAR) {
    if (type!="AOD") { TChain* chain = CreateESDChain(dataDir, nRuns, offset);}
    else { TChain* chain = CreateAODChain(dataDir, nRuns, offset);}
  }
  //____________________________________________//
  // Make the analysis manager
  AliAnalysisManager *mgr = new AliAnalysisManager("FlowAnalysisManager");
 
  if (mode == mGRID) { 
    // Connect plug-in to the analysis manager
    mgr->SetGridHandler(alienHandler);
  }

  if (type == "ESD"){
    AliVEventHandler* esdH = new AliESDInputHandler;
    mgr->SetInputEventHandler(esdH);
    if (MCEP) { 
      AliMCEventHandler *mc = new AliMCEventHandler();
      mgr->SetMCtruthEventHandler(mc); 
    }
  }
  
  if (type == "AOD"){
    AliVEventHandler* aodH = new AliAODInputHandler;
    mgr->SetInputEventHandler(aodH); 
    if (MCEP) { 
      AliMCEventHandler *mc = new AliMCEventHandler();
      mgr->SetMCtruthEventHandler(mc);
    } 
  }
  
  if (type == "MC" || type == "ESDMCkineESD" || type == "ESDMCkineMC"){
    AliVEventHandler* esdH = new AliESDInputHandler;
    mgr->SetInputEventHandler(esdH);
    
    AliMCEventHandler *mc = new AliMCEventHandler();
    mgr->SetMCtruthEventHandler(mc); 
  }
    
  //____________________________________________//
  // Load the analysis task
  gROOT->LoadMacro("AddTaskFlow.C");
  AliAnalysisTaskFlowEvent* taskFE = AddTaskFlow(type,METHODS,QA,WEIGHTS);

  
  // Task to check the offline trigger
  if (mode == mLocal || mode == mGRID) {
    gROOT->LoadMacro("$ALICE_ROOT/ANALYSIS/macros/AddTaskPhysicsSelection.C"); }
  else if (mode == mPROOF || mode == mLocalPAR) {
    gROOT->LoadMacro("AddTaskPhysicsSelection.C"); }
  AliPhysicsSelectionTask* physicsSelTask = AddTaskPhysicsSelection();
  if (!DATA) {physicsSelTask->GetPhysicsSelection()->SetAnalyzeMC();}
  
 
  // Enable debug printouts
  mgr->SetDebugLevel(2);


  //____________________________________________//
  // Run the analysis
  if (!mgr->InitAnalysis()) return;
  mgr->PrintStatus();
  
  if (mode == mLocal || mode == mLocalPAR) {
    mgr->StartAnalysis("local",chain);
  }
  else if (mode == mPROOF) {
    mgr->StartAnalysis("proof",dataDir,nRuns,offset);
  }
  else if (mode == mGRID) { 
    mgr->StartAnalysis("grid");
  }
  
  timer.Stop();
  timer.Print();
  
}

void CrossCheckUserSettings(Bool_t bData) 
{
 // Check in this method if the user settings make sense.
 
 if(MCEP==kTRUE && bData==kTRUE)
 {
  cout<<endl;
  cout<<"WARNING: In real datasets there is no Monte Carlo information available !!!!"<<endl;
  cout<<"         Set for real data analysis DATA = kTRUE and MCEP = kFALSE in the macro."<<endl;
  cout<<endl;
  exit(0);
 }

} // end of void CrossCheckUserSettings()

void LoadLibraries(const anaModes mode) {
  
  //--------------------------------------
  // Load the needed libraries most of them already loaded by aliroot
  //--------------------------------------
  gSystem->Load("libTree");
  gSystem->Load("libGeom");
  gSystem->Load("libVMC");
  gSystem->Load("libXMLIO");
  gSystem->Load("libPhysics");
  
  //----------------------------------------------------------
  // >>>>>>>>>>> Local mode <<<<<<<<<<<<<< 
  //----------------------------------------------------------
  if (mode==mLocal || mode==mGRID) {
    //--------------------------------------------------------
    // If you want to use already compiled libraries 
    // in the aliroot distribution
    //--------------------------------------------------------
    gSystem->Load("libSTEERBase");
    gSystem->Load("libESD");
    gSystem->Load("libAOD");
    gSystem->Load("libANALYSIS");
    gSystem->Load("libANALYSISalice");
    gSystem->Load("libCORRFW");
    gSystem->Load("libPWG2forward");
    if (mode==mLocal) {
      gSystem->Load("libPWG2flowCommon");
      cerr<<"libPWG2flowCommon loaded..."<<endl;
      gSystem->Load("libPWG2flowTasks");
      cerr<<"libPWG2flowTasks loaded..."<<endl;
    }
    if (mode==mGRID) {
      SetupPar("PWG2flowCommon");
      cerr<<"PWG2flowCommon.par loaded..."<<endl;
      SetupPar("PWG2flowTasks");
      cerr<<"PWG2flowTasks.par loaded..."<<endl;
    }
  }
  
  else if (mode == mLocalPAR) {
    //--------------------------------------------------------
    //If you want to use root and par files from aliroot
    //--------------------------------------------------------  
    SetupPar("STEERBase");
    SetupPar("ESD");
    SetupPar("AOD");
    SetupPar("ANALYSIS");
    SetupPar("ANALYSISalice");
        SetupPar("CORRFW");
    SetupPar("PWG2flowCommon");
    cerr<<"PWG2flowCommon.par loaded..."<<endl;
    SetupPar("PWG2flowTasks");
    cerr<<"PWG2flowTasks.par loaded..."<<endl;
  }
  
  //---------------------------------------------------------
  // <<<<<<<<<< PROOF mode >>>>>>>>>>>>
  //---------------------------------------------------------
  else if (mode==mPROOF) {
    //
    //gEnv->SetValue("XSec.GSI.DelegProxy","2");    
    //  set to debug root versus if needed
    //TProof::Mgr("alicecaf")->SetROOTVersion("v5-24-00a_dbg");
    //TProof::Mgr("alicecaf")->SetROOTVersion("v5-24-00a");
    //TProof::Reset("proof://snelling@alicecaf.cern.ch");     
    // Connect to proof
    printf("*** Connect to PROOF ***\n");
    gEnv->SetValue("XSec.GSI.DelegProxy","2");
    // Put appropriate username here
    //TProof::Open("abilandz@alicecaf.cern.ch");
    //TProof::Open("nkolk@alicecaf.cern.ch");
    //TProof::Open("snelling@localhost");
    TProof::Open("alice-caf.cern.ch");
    //TProof::Open("skaf.saske.sk");
    //TProof::Open("prf000-iep-grid.saske.sk");
    //Info("runSKAF.C","Loading libs on proof (may take while, around 1 min) ...");
    // list the data available
    //gProof->ShowDataSets("/*/*"); 
    //gProof->ShowDataSets("/alice/sim/"); //for MC Data
    //gProof->ShowDataSets("/alice/data/"); //for REAL Data 
 
    // Clear the Packages
    
    gProof->ClearPackage("STEERBase.par");
    gProof->ClearPackage("ESD.par");
    gProof->ClearPackage("AOD.par");
    gProof->ClearPackage("ANALYSIS.par");
    gProof->ClearPackage("ANALYSISalice.par");
    gProof->ClearPackage("CORRFW.par");
    
    gProof->ClearPackage("PWG2flowCommon");
    gProof->ClearPackage("PWG2flowTasks");
    
    // Upload the Packages
    gProof->UploadPackage("STEERBase.par");
    gProof->UploadPackage("ESD.par");    
    gProof->UploadPackage("AOD.par");
       
    gProof->UploadPackage("ANALYSIS.par"); 
    gProof->UploadPackage("ANALYSISalice.par");
    gProof->UploadPackage("CORRFW.par");
    gProof->UploadPackage("PWG2flowCommon.par");
    gProof->UploadPackage("PWG2flowTasks.par");

    // Enable the Packages 
    // The global package
    //gProof->EnablePackage("aliroot_v4-19-05-AN",kTRUE);
    // Or separate
    
    gProof->EnablePackage("STEERBase");
    gProof->EnablePackage("ESD");
    gProof->EnablePackage("AOD");
    
    // Always needed
    gProof->EnablePackage("ANALYSIS");
    gProof->EnablePackage("ANALYSISalice");
    gProof->EnablePackage("CORRFW");
    gProof->EnablePackage("PWG2flowCommon");
    gProof->EnablePackage("PWG2flowTasks");

    // Show enables Packages
    gProof->ShowEnabledPackages();
  }  
  
}

void SetupPar(char* pararchivename) {
  //Load par files, create analysis libraries
  //For testing, if par file already decompressed and modified
  //classes then do not decompress.
  
  TString cdir(Form("%s", gSystem->WorkingDirectory() )) ; 
  TString parpar(Form("%s.par", pararchivename)) ; 
  if ( gSystem->AccessPathName(parpar.Data()) ) {
    gSystem->ChangeDirectory(gSystem->Getenv("ALICE_ROOT")) ;
    TString processline(Form(".! make %s", parpar.Data())) ; 
    gROOT->ProcessLine(processline.Data()) ;
    gSystem->ChangeDirectory(cdir) ; 
    processline = Form(".! mv /tmp/%s .", parpar.Data()) ;
    gROOT->ProcessLine(processline.Data()) ;
  } 
  if ( gSystem->AccessPathName(pararchivename) ) {  
    TString processline = Form(".! tar xvzf %s",parpar.Data()) ;
    gROOT->ProcessLine(processline.Data());
  }
  
  TString ocwd = gSystem->WorkingDirectory();
  gSystem->ChangeDirectory(pararchivename);
  
  // check for BUILD.sh and execute
  if (!gSystem->AccessPathName("PROOF-INF/BUILD.sh")) {
    printf("*******************************\n");
    printf("*** Building PAR archive    ***\n");
    cout<<pararchivename<<endl;
    printf("*******************************\n");
    if (gSystem->Exec("PROOF-INF/BUILD.sh")) {
      Error("runProcess","Cannot Build the PAR Archive! - Abort!");
      return -1;
    }
  }
  // check for SETUP.C and execute
  if (!gSystem->AccessPathName("PROOF-INF/SETUP.C")) {
    printf("*******************************\n");
    printf("*** Setup PAR archive       ***\n");
    cout<<pararchivename<<endl;
    printf("*******************************\n");
    gROOT->Macro("PROOF-INF/SETUP.C");
  }
  
  gSystem->ChangeDirectory(ocwd.Data());
  printf("Current dir: %s\n", ocwd.Data());
}


// Helper macros for creating chains
// from: CreateESDChain.C,v 1.10 jgrosseo Exp

TChain* CreateESDChain(const char* aDataDir, Int_t aRuns, Int_t offset)
{
  // creates chain of files in a given directory or file containing a list.
  // In case of directory the structure is expected as:
  // <aDataDir>/<dir0>/AliESDs.root
  // <aDataDir>/<dir1>/AliESDs.root
  // ...
  
  if (!aDataDir)
    return 0;
  
  Long_t id, size, flags, modtime;
  if (gSystem->GetPathInfo(aDataDir, &id, &size, &flags, &modtime))
    {
      printf("%s not found.\n", aDataDir);
      return 0;
    }
  
  TChain* chain = new TChain("esdTree");
  TChain* chaingAlice = 0;
  
  if (flags & 2)
    {
      TString execDir(gSystem->pwd());
      TSystemDirectory* baseDir = new TSystemDirectory(".", aDataDir);
      TList* dirList            = baseDir->GetListOfFiles();
      Int_t nDirs               = dirList->GetEntries();
      gSystem->cd(execDir);
      
      Int_t count = 0;
      
      for (Int_t iDir=0; iDir<nDirs; ++iDir)
	{
	  TSystemFile* presentDir = (TSystemFile*) dirList->At(iDir);
	  if (!presentDir || !presentDir->IsDirectory() || strcmp(presentDir->GetName(), ".") == 0 || strcmp(presentDir->GetName(), "..") == 0)
	    continue;
	  
	  if (offset > 0)
	    {
	      --offset;
	      continue;
	    }
	  
	  if (count++ == aRuns)
	    break;
	  
	  TString presentDirName(aDataDir);
	  presentDirName += "/";
	  presentDirName += presentDir->GetName();	  
	  chain->Add(presentDirName + "/AliESDs.root/esdTree");
	  //  cerr<<presentDirName<<endl;
	}
      
    }
  else
    {
      // Open the input stream
      ifstream in;
      in.open(aDataDir);
      
      Int_t count = 0;
      
      // Read the input list of files and add them to the chain
      TString esdfile;
      while(in.good()) {
	in >> esdfile;
	if (!esdfile.Contains("root")) continue; // protection
	
	if (offset > 0)
	  {
	    --offset;
	    continue;
	  }
	
	if (count++ == aRuns)
	  break;
	
	// add esd file
	chain->Add(esdfile);
      }
      
      in.close();
    }
  
  return chain;
}


// Helper macros for creating chains
// from: CreateESDChain.C,v 1.10 jgrosseo Exp

TChain* CreateAODChain(const char* aDataDir, Int_t aRuns, Int_t offset)
{
  // creates chain of files in a given directory or file containing a list.
  // In case of directory the structure is expected as:
  // <aDataDir>/<dir0>/AliAOD.root
  // <aDataDir>/<dir1>/AliAOD.root
  // ...
  
  if (!aDataDir)
    return 0;
  
  Long_t id, size, flags, modtime;
  if (gSystem->GetPathInfo(aDataDir, &id, &size, &flags, &modtime))
    {
      printf("%s not found.\n", aDataDir);
      return 0;
    }
  
  TChain* chain = new TChain("aodTree");
  TChain* chaingAlice = 0;
  
  if (flags & 2)
    {
      TString execDir(gSystem->pwd());
      TSystemDirectory* baseDir = new TSystemDirectory(".", aDataDir);
      TList* dirList            = baseDir->GetListOfFiles();
      Int_t nDirs               = dirList->GetEntries();
      gSystem->cd(execDir);
      
      Int_t count = 0;
      
      for (Int_t iDir=0; iDir<nDirs; ++iDir)
	{
	  TSystemFile* presentDir = (TSystemFile*) dirList->At(iDir);
	  if (!presentDir || !presentDir->IsDirectory() || strcmp(presentDir->GetName(), ".") == 0 || strcmp(presentDir->GetName(), "..") == 0)
	    continue;
	  
	  if (offset > 0)
	    {
	      --offset;
	      continue;
	    }
	  
	  if (count++ == aRuns)
	    break;
	  
	  TString presentDirName(aDataDir);
	  presentDirName += "/";
	  presentDirName += presentDir->GetName();	  
	  chain->Add(presentDirName + "/AliAOD.root/aodTree");
	  // cerr<<presentDirName<<endl;
	}
      
    }
  else
    {
      // Open the input stream
      ifstream in;
      in.open(aDataDir);
      
      Int_t count = 0;
      
      // Read the input list of files and add them to the chain
      TString aodfile;
      while(in.good()) {
	in >> aodfile;
	if (!aodfile.Contains("root")) continue; // protection
	
	if (offset > 0)
	  {
	    --offset;
	    continue;
	  }
	
	if (count++ == aRuns)
	  break;
	
	// add aod file
	chain->Add(aodfile);
      }
      
      in.close();
    }
  
  return chain;
}
Commit	Line	Data
	1	enum anaModes {mLocal,mLocalPAR,mPROOF,mGRID};
	2	//mLocal: Analyze locally files in your computer using aliroot
	3	//mLocalPAR: Analyze locally files in your computer using root + PAR files
	4	//mPROOF: Analyze CAF files with PROOF
	5
	6	// RUN SETTINGS
	7
	8	// Flow analysis method can be:(set to kTRUE or kFALSE)
	9	Bool_t MCEP = kTRUE; // correlation with Monte Carlo reaction plane
	10	Bool_t SP = kTRUE; // scalar product method (similar to eventplane method)
	11	Bool_t GFC = kTRUE; // cumulants based on generating function
	12	Bool_t QC = kTRUE; // cumulants using Q vectors
	13	Bool_t FQD = kTRUE; // fit of the distribution of the Q vector (only integrated v)
	14	Bool_t LYZ1SUM = kTRUE; // Lee Yang Zeroes using sum generating function (integrated v)
	15	Bool_t LYZ1PROD = kTRUE; // Lee Yang Zeroes using product generating function (integrated v)
	16	Bool_t LYZ2SUM = kFALSE; // Lee Yang Zeroes using sum generating function (second pass differential v)
	17	Bool_t LYZ2PROD = kFALSE; // Lee Yang Zeroes using product generating function (second pass differential v)
	18	Bool_t LYZEP = kFALSE; // Lee Yang Zeroes Event plane using sum generating function (gives eventplane + weight)
	19	Bool_t MH = kTRUE; // azimuthal correlators in mixed harmonics
	20	Bool_t NL = kTRUE; // nested loops (for instance distribution of phi1-phi2 for all distinct pairs)
	21
	22	Bool_t METHODS[] = {SP,LYZ1SUM,LYZ1PROD,LYZ2SUM,LYZ2PROD,LYZEP,GFC,QC,FQD,MCEP,MH,NL};
	23
	24	// Analysis type can be ESD, AOD, MC, ESDMCkineESD, ESDMCkineMC, MK
	25	const TString type = "ESD";
	26
	27	// Boolean to fill/not fill the QA histograms
	28	Bool_t QA = kTRUE;
	29
	30	// Boolean to use/not use weights for the Q vector
	31	Bool_t WEIGHTS[] = {kFALSE,kFALSE,kFALSE}; //Phi, v'(pt), v'(eta)
	32
	33
	34	//void runFlowTask(Int_t mode=mLocal, Int_t nRuns = 2,
	35	//Bool_t DATA = kTRUE, const Char_t* dataDir="/data/alice2/kolk/PP/data/LHC09d/104892/test", Int_t offset = 0)
	36	// Bool_t DATA = kFALSE, const Char_t* dataDir="/data/alice2/kolk/PP/LHC09d10/104873", Int_t offset = 0)
	37
	38	void runFlowTask(Int_t mode = mPROOF, Int_t nRuns = 50000000,
	39	//Bool_t DATA = kFALSE, const Char_t* dataDir="/PWG2/akisiel/Therminator_midcentral_ESD", Int_t offset=0)
	40	//Bool_t DATA = kFALSE, const Char_t* dataDir="/PWG2/akisiel/LHC10d6_0.9TeV_EPOS_12502X", Int_t offset=0)
	41	//Bool_t DATA = kFALSE, const Char_t* dataDir="/alice/sim/LHC10d2_117048", Int_t offset=0) //phojet 7 TeV
	42	//Bool_t DATA = kTRUE, const Char_t* dataDir="/alice/data/LHC09d_000104792_p6", Int_t offset=0) //data 0.9 TeV
	43	Bool_t DATA = kFALSE, const Char_t* dataDir="/PWG4/morsch/HIJING_CENT_4EV", Int_t offset=0) //hijing Pb Pb pilot
	44
	45	//void runFlowTask(Int_t mode = mGRID, Bool_t DATA = kTRUE)
	46	{
	47	TStopwatch timer;
	48	timer.Start();
	49
	50	CrossCheckUserSettings(DATA);
	51
	52	LoadLibraries(mode);
	53
	54	if (mode == mGRID) {
	55	// Create and configure the alien handler plugin
	56	gROOT->LoadMacro("CreateAlienHandler.C");
	57	AliAnalysisGrid *alienHandler = CreateAlienHandler();
	58	if (!alienHandler) return;
	59	}
	60
	61	if (mode==mLocal \|\| mode == mLocalPAR) {
	62	if (type!="AOD") { TChain* chain = CreateESDChain(dataDir, nRuns, offset);}
	63	else { TChain* chain = CreateAODChain(dataDir, nRuns, offset);}
	64	}
	65	//____________________________________________//
	66	// Make the analysis manager
	67	AliAnalysisManager *mgr = new AliAnalysisManager("FlowAnalysisManager");
	68
	69	if (mode == mGRID) {
	70	// Connect plug-in to the analysis manager
	71	mgr->SetGridHandler(alienHandler);
	72	}
	73
	74	if (type == "ESD"){
	75	AliVEventHandler* esdH = new AliESDInputHandler;
	76	mgr->SetInputEventHandler(esdH);
	77	if (MCEP) {
	78	AliMCEventHandler *mc = new AliMCEventHandler();
	79	mgr->SetMCtruthEventHandler(mc);
	80	}
	81	}
	82
	83	if (type == "AOD"){
	84	AliVEventHandler* aodH = new AliAODInputHandler;
	85	mgr->SetInputEventHandler(aodH);
	86	if (MCEP) {
	87	AliMCEventHandler *mc = new AliMCEventHandler();
	88	mgr->SetMCtruthEventHandler(mc);
	89	}
	90	}
	91
	92	if (type == "MC" \|\| type == "ESDMCkineESD" \|\| type == "ESDMCkineMC"){
	93	AliVEventHandler* esdH = new AliESDInputHandler;
	94	mgr->SetInputEventHandler(esdH);
	95
	96	AliMCEventHandler *mc = new AliMCEventHandler();
	97	mgr->SetMCtruthEventHandler(mc);
	98	}
	99
	100	//____________________________________________//
	101	// Load the analysis task
	102	gROOT->LoadMacro("AddTaskFlow.C");
	103	AliAnalysisTaskFlowEvent* taskFE = AddTaskFlow(type,METHODS,QA,WEIGHTS);
	104
	105
	106	// Task to check the offline trigger
	107	if (mode == mLocal \|\| mode == mGRID) {
	108	gROOT->LoadMacro("$ALICE_ROOT/ANALYSIS/macros/AddTaskPhysicsSelection.C"); }
	109	else if (mode == mPROOF \|\| mode == mLocalPAR) {
	110	gROOT->LoadMacro("AddTaskPhysicsSelection.C"); }
	111	AliPhysicsSelectionTask* physicsSelTask = AddTaskPhysicsSelection();
	112	if (!DATA) {physicsSelTask->GetPhysicsSelection()->SetAnalyzeMC();}
	113
	114
	115	// Enable debug printouts
	116	mgr->SetDebugLevel(2);
	117
	118
	119	//____________________________________________//
	120	// Run the analysis
	121	if (!mgr->InitAnalysis()) return;
	122	mgr->PrintStatus();
	123
	124	if (mode == mLocal \|\| mode == mLocalPAR) {
	125	mgr->StartAnalysis("local",chain);
	126	}
	127	else if (mode == mPROOF) {
	128	mgr->StartAnalysis("proof",dataDir,nRuns,offset);
	129	}
	130	else if (mode == mGRID) {
	131	mgr->StartAnalysis("grid");
	132	}
	133
	134	timer.Stop();
	135	timer.Print();
	136
	137	}
	138
	139	void CrossCheckUserSettings(Bool_t bData)
	140	{
	141	// Check in this method if the user settings make sense.
	142
	143	if(MCEP==kTRUE && bData==kTRUE)
	144	{
	145	cout<<endl;
	146	cout<<"WARNING: In real datasets there is no Monte Carlo information available !!!!"<<endl;
	147	cout<<" Set for real data analysis DATA = kTRUE and MCEP = kFALSE in the macro."<<endl;
	148	cout<<endl;
	149	exit(0);
	150	}
	151
	152	} // end of void CrossCheckUserSettings()
	153
	154	void LoadLibraries(const anaModes mode) {
	155
	156	//--------------------------------------
	157	// Load the needed libraries most of them already loaded by aliroot
	158	//--------------------------------------
	159	gSystem->Load("libTree");
	160	gSystem->Load("libGeom");
	161	gSystem->Load("libVMC");
	162	gSystem->Load("libXMLIO");
	163	gSystem->Load("libPhysics");
	164
	165	//----------------------------------------------------------
	166	// >>>>>>>>>>> Local mode <<<<<<<<<<<<<<
	167	//----------------------------------------------------------
	168	if (mode==mLocal \|\| mode==mGRID) {
	169	//--------------------------------------------------------
	170	// If you want to use already compiled libraries
	171	// in the aliroot distribution
	172	//--------------------------------------------------------
	173	gSystem->Load("libSTEERBase");
	174	gSystem->Load("libESD");
	175	gSystem->Load("libAOD");
	176	gSystem->Load("libANALYSIS");
	177	gSystem->Load("libANALYSISalice");
	178	gSystem->Load("libCORRFW");
	179	gSystem->Load("libPWG2forward");
	180	if (mode==mLocal) {
	181	gSystem->Load("libPWG2flowCommon");
	182	cerr<<"libPWG2flowCommon loaded..."<<endl;
	183	gSystem->Load("libPWG2flowTasks");
	184	cerr<<"libPWG2flowTasks loaded..."<<endl;
	185	}
	186	if (mode==mGRID) {
	187	SetupPar("PWG2flowCommon");
	188	cerr<<"PWG2flowCommon.par loaded..."<<endl;
	189	SetupPar("PWG2flowTasks");
	190	cerr<<"PWG2flowTasks.par loaded..."<<endl;
	191	}
	192	}
	193
	194	else if (mode == mLocalPAR) {
	195	//--------------------------------------------------------
	196	//If you want to use root and par files from aliroot
	197	//--------------------------------------------------------
	198	SetupPar("STEERBase");
	199	SetupPar("ESD");
	200	SetupPar("AOD");
	201	SetupPar("ANALYSIS");
	202	SetupPar("ANALYSISalice");
	203	SetupPar("CORRFW");
	204	SetupPar("PWG2flowCommon");
	205	cerr<<"PWG2flowCommon.par loaded..."<<endl;
	206	SetupPar("PWG2flowTasks");
	207	cerr<<"PWG2flowTasks.par loaded..."<<endl;
	208	}
	209
	210	//---------------------------------------------------------
	211	// <<<<<<<<<< PROOF mode >>>>>>>>>>>>
	212	//---------------------------------------------------------
	213	else if (mode==mPROOF) {
	214	//
	215	//gEnv->SetValue("XSec.GSI.DelegProxy","2");
	216	// set to debug root versus if needed
	217	//TProof::Mgr("alicecaf")->SetROOTVersion("v5-24-00a_dbg");
	218	//TProof::Mgr("alicecaf")->SetROOTVersion("v5-24-00a");
	219	//TProof::Reset("proof://snelling@alicecaf.cern.ch");
	220	// Connect to proof
	221	printf("* Connect to PROOF *\n");
	222	gEnv->SetValue("XSec.GSI.DelegProxy","2");
	223	// Put appropriate username here
	224	//TProof::Open("abilandz@alicecaf.cern.ch");
	225	//TProof::Open("nkolk@alicecaf.cern.ch");
	226	//TProof::Open("snelling@localhost");
	227	TProof::Open("alice-caf.cern.ch");
	228	//TProof::Open("skaf.saske.sk");
	229	//TProof::Open("prf000-iep-grid.saske.sk");
	230	//Info("runSKAF.C","Loading libs on proof (may take while, around 1 min) ...");
	231	// list the data available
	232	//gProof->ShowDataSets("//");
	233	//gProof->ShowDataSets("/alice/sim/"); //for MC Data
	234	//gProof->ShowDataSets("/alice/data/"); //for REAL Data
	235
	236	// Clear the Packages
	237
	238	gProof->ClearPackage("STEERBase.par");
	239	gProof->ClearPackage("ESD.par");
	240	gProof->ClearPackage("AOD.par");
	241	gProof->ClearPackage("ANALYSIS.par");
	242	gProof->ClearPackage("ANALYSISalice.par");
	243	gProof->ClearPackage("CORRFW.par");
	244
	245	gProof->ClearPackage("PWG2flowCommon");
	246	gProof->ClearPackage("PWG2flowTasks");
	247
	248	// Upload the Packages
	249	gProof->UploadPackage("STEERBase.par");
	250	gProof->UploadPackage("ESD.par");
	251	gProof->UploadPackage("AOD.par");
	252
	253	gProof->UploadPackage("ANALYSIS.par");
	254	gProof->UploadPackage("ANALYSISalice.par");
	255	gProof->UploadPackage("CORRFW.par");
	256	gProof->UploadPackage("PWG2flowCommon.par");
	257	gProof->UploadPackage("PWG2flowTasks.par");
	258
	259	// Enable the Packages
	260	// The global package
	261	//gProof->EnablePackage("aliroot_v4-19-05-AN",kTRUE);
	262	// Or separate
	263
	264	gProof->EnablePackage("STEERBase");
	265	gProof->EnablePackage("ESD");
	266	gProof->EnablePackage("AOD");
	267
	268	// Always needed
	269	gProof->EnablePackage("ANALYSIS");
	270	gProof->EnablePackage("ANALYSISalice");
	271	gProof->EnablePackage("CORRFW");
	272	gProof->EnablePackage("PWG2flowCommon");
	273	gProof->EnablePackage("PWG2flowTasks");
	274
	275	// Show enables Packages
	276	gProof->ShowEnabledPackages();
	277	}
	278
	279	}
	280
	281	void SetupPar(char* pararchivename) {
	282	//Load par files, create analysis libraries
	283	//For testing, if par file already decompressed and modified
	284	//classes then do not decompress.
	285
	286	TString cdir(Form("%s", gSystem->WorkingDirectory() )) ;
	287	TString parpar(Form("%s.par", pararchivename)) ;
	288	if ( gSystem->AccessPathName(parpar.Data()) ) {
	289	gSystem->ChangeDirectory(gSystem->Getenv("ALICE_ROOT")) ;
	290	TString processline(Form(".! make %s", parpar.Data())) ;
	291	gROOT->ProcessLine(processline.Data()) ;
	292	gSystem->ChangeDirectory(cdir) ;
	293	processline = Form(".! mv /tmp/%s .", parpar.Data()) ;
	294	gROOT->ProcessLine(processline.Data()) ;
	295	}
	296	if ( gSystem->AccessPathName(pararchivename) ) {
	297	TString processline = Form(".! tar xvzf %s",parpar.Data()) ;
	298	gROOT->ProcessLine(processline.Data());
	299	}
	300
	301	TString ocwd = gSystem->WorkingDirectory();
	302	gSystem->ChangeDirectory(pararchivename);
	303
	304	// check for BUILD.sh and execute
	305	if (!gSystem->AccessPathName("PROOF-INF/BUILD.sh")) {
	306	printf("*******************************\n");
	307	printf("* Building PAR archive *\n");
	308	cout<<pararchivename<<endl;
	309	printf("*******************************\n");
	310	if (gSystem->Exec("PROOF-INF/BUILD.sh")) {
	311	Error("runProcess","Cannot Build the PAR Archive! - Abort!");
	312	return -1;
	313	}
	314	}
	315	// check for SETUP.C and execute
	316	if (!gSystem->AccessPathName("PROOF-INF/SETUP.C")) {
	317	printf("*******************************\n");
	318	printf("* Setup PAR archive *\n");
	319	cout<<pararchivename<<endl;
	320	printf("*******************************\n");
	321	gROOT->Macro("PROOF-INF/SETUP.C");
	322	}
	323
	324	gSystem->ChangeDirectory(ocwd.Data());
	325	printf("Current dir: %s\n", ocwd.Data());
	326	}
	327
	328
	329	// Helper macros for creating chains
	330	// from: CreateESDChain.C,v 1.10 jgrosseo Exp
	331
	332	TChain* CreateESDChain(const char* aDataDir, Int_t aRuns, Int_t offset)
	333	{
	334	// creates chain of files in a given directory or file containing a list.
	335	// In case of directory the structure is expected as:
	336	// <aDataDir>/<dir0>/AliESDs.root
	337	// <aDataDir>/<dir1>/AliESDs.root
	338	// ...
	339
	340	if (!aDataDir)
	341	return 0;
	342
	343	Long_t id, size, flags, modtime;
	344	if (gSystem->GetPathInfo(aDataDir, &id, &size, &flags, &modtime))
	345	{
	346	printf("%s not found.\n", aDataDir);
	347	return 0;
	348	}
	349
	350	TChain* chain = new TChain("esdTree");
	351	TChain* chaingAlice = 0;
	352
	353	if (flags & 2)
	354	{
	355	TString execDir(gSystem->pwd());
	356	TSystemDirectory* baseDir = new TSystemDirectory(".", aDataDir);
	357	TList* dirList = baseDir->GetListOfFiles();
	358	Int_t nDirs = dirList->GetEntries();
	359	gSystem->cd(execDir);
	360
	361	Int_t count = 0;
	362
	363	for (Int_t iDir=0; iDir<nDirs; ++iDir)
	364	{
	365	TSystemFile* presentDir = (TSystemFile*) dirList->At(iDir);
	366	if (!presentDir \|\| !presentDir->IsDirectory() \|\| strcmp(presentDir->GetName(), ".") == 0 \|\| strcmp(presentDir->GetName(), "..") == 0)
	367	continue;
	368
	369	if (offset > 0)
	370	{
	371	--offset;
	372	continue;
	373	}
	374
	375	if (count++ == aRuns)
	376	break;
	377
	378	TString presentDirName(aDataDir);
	379	presentDirName += "/";
	380	presentDirName += presentDir->GetName();
	381	chain->Add(presentDirName + "/AliESDs.root/esdTree");
	382	// cerr<<presentDirName<<endl;
	383	}
	384
	385	}
	386	else
	387	{
	388	// Open the input stream
	389	ifstream in;
	390	in.open(aDataDir);
	391
	392	Int_t count = 0;
	393
	394	// Read the input list of files and add them to the chain
	395	TString esdfile;
	396	while(in.good()) {
	397	in >> esdfile;
	398	if (!esdfile.Contains("root")) continue; // protection
	399
	400	if (offset > 0)
	401	{
	402	--offset;
	403	continue;
	404	}
	405
	406	if (count++ == aRuns)
	407	break;
	408
	409	// add esd file
	410	chain->Add(esdfile);
	411	}
	412
	413	in.close();
	414	}
	415
	416	return chain;
	417	}
	418
	419
	420	// Helper macros for creating chains
	421	// from: CreateESDChain.C,v 1.10 jgrosseo Exp
	422
	423	TChain* CreateAODChain(const char* aDataDir, Int_t aRuns, Int_t offset)
	424	{
	425	// creates chain of files in a given directory or file containing a list.
	426	// In case of directory the structure is expected as:
	427	// <aDataDir>/<dir0>/AliAOD.root
	428	// <aDataDir>/<dir1>/AliAOD.root
	429	// ...
	430
	431	if (!aDataDir)
	432	return 0;
	433
	434	Long_t id, size, flags, modtime;
	435	if (gSystem->GetPathInfo(aDataDir, &id, &size, &flags, &modtime))
	436	{
	437	printf("%s not found.\n", aDataDir);
	438	return 0;
	439	}
	440
	441	TChain* chain = new TChain("aodTree");
	442	TChain* chaingAlice = 0;
	443
	444	if (flags & 2)
	445	{
	446	TString execDir(gSystem->pwd());
	447	TSystemDirectory* baseDir = new TSystemDirectory(".", aDataDir);
	448	TList* dirList = baseDir->GetListOfFiles();
	449	Int_t nDirs = dirList->GetEntries();
	450	gSystem->cd(execDir);
	451
	452	Int_t count = 0;
	453
	454	for (Int_t iDir=0; iDir<nDirs; ++iDir)
	455	{
	456	TSystemFile* presentDir = (TSystemFile*) dirList->At(iDir);
	457	if (!presentDir \|\| !presentDir->IsDirectory() \|\| strcmp(presentDir->GetName(), ".") == 0 \|\| strcmp(presentDir->GetName(), "..") == 0)
	458	continue;
	459
	460	if (offset > 0)
	461	{
	462	--offset;
	463	continue;
	464	}
	465
	466	if (count++ == aRuns)
	467	break;
	468
	469	TString presentDirName(aDataDir);
	470	presentDirName += "/";
	471	presentDirName += presentDir->GetName();
	472	chain->Add(presentDirName + "/AliAOD.root/aodTree");
	473	// cerr<<presentDirName<<endl;
	474	}
	475
	476	}
	477	else
	478	{
	479	// Open the input stream
	480	ifstream in;
	481	in.open(aDataDir);
	482
	483	Int_t count = 0;
	484
	485	// Read the input list of files and add them to the chain
	486	TString aodfile;
	487	while(in.good()) {
	488	in >> aodfile;
	489	if (!aodfile.Contains("root")) continue; // protection
	490
	491	if (offset > 0)
	492	{
	493	--offset;
	494	continue;
	495	}
	496
	497	if (count++ == aRuns)
	498	break;
	499
	500	// add aod file
	501	chain->Add(aodfile);
	502	}
	503
	504	in.close();
	505	}
	506
	507	return chain;
	508	}
	509