+++ /dev/null
-/* $Id: $ */
-//--------------------------------------------------
-// Example macro to do analysis with the
-// analysis classes in PWG4PartCorr
-// Can be executed with Root and AliRoot
-//
-// Pay attention to the options and definitions
-// set in the lines below
-//
-// Author : Gustavo Conesa Balbastre (INFN-LNF)
-//
-//-------------------------------------------------
-enum anaModes {mLocal, mLocalCAF,mPROOF,mGRID};
-//mLocal: Analyze locally files in your computer
-//mLocalCAF: Analyze locally CAF files
-//mPROOF: Analyze CAF files with PROOF
-
-//---------------------------------------------------------------------------
-//Settings to read locally several files, only for "mLocal" mode
-//The different values are default, they can be set with environmental
-//variables: INDIR, PATTERN, NEVENT, respectivelly
-char * kInDir = "/home/blau/data";
-char * kPattern = ""; // Data are in diles /data/Run0,
-Int_t kEvent = 3; // Number of files
-//---------------------------------------------------------------------------
-//Collection file for grid analysis
-char * kXML = "collection.xml";
-//---------------------------------------------------------------------------
-//Scale histograms from file. Change to kTRUE when xsection file exists
-//Put name of file containing xsection
-//Put number of events per ESD file
-//This is an specific case for normalization of Pythia files.
-const Bool_t kGetXSectionFromFileAndScale = kFALSE ;
-const char * kXSFileName = "pyxsec.root";
-//const Int_t kNumberOfEventsPerFile = 100;
-//---------------------------------------------------------------------------
-
-const Bool_t kMC = kTRUE; //With real data kMC = kFALSE
-const TString kInputData = "ESD";//ESD, AOD, MC
-TString kTreeName = "esdTree";
-
-void anaPhotonTagging(Int_t mode=mGRID, TString configName = "ConfigAnalysisPhoton")
-{
- // Main
-
- //--------------------------------------------------------------------
- // Load analysis libraries
- // Look at the method below,
- // change whatever you need for your analysis case
- // ------------------------------------------------------------------
- LoadLibraries(mode) ;
-
- //-------------------------------------------------------------------------------------------------
- //Create chain from ESD and from cross sections files, look below for options.
- //-------------------------------------------------------------------------------------------------
- if(kInputData == "ESD") kTreeName = "esdTree" ;
- else if(kInputData == "AOD") kTreeName = "aodTree" ;
- else if (kInputData == "MC") kTreeName = "TE" ;
- else {
- cout<<"Wrong data type "<<kInputData<<endl;
- break;
- }
-
- TChain *chain = new TChain(kTreeName) ;
- TChain * chainxs = new TChain("Xsection") ;
- CreateChain(mode, chain, chainxs);
-
- if(chain){
- AliLog::SetGlobalLogLevel(AliLog::kError);//Minimum prints on screen
-
- //--------------------------------------
- // Make the analysis manager
- //-------------------------------------
- AliAnalysisManager *mgr = new AliAnalysisManager("Manager", "Manager");
- // MC handler
- if(kMC || kInputData == "MC"){
- AliMCEventHandler* mcHandler = new AliMCEventHandler();
- mcHandler->SetReadTR(kFALSE);//Do not search TrackRef file
- mgr->SetMCtruthEventHandler(mcHandler);
- }
-
- // AOD output handler
- AliAODHandler* aodoutHandler = new AliAODHandler();
- aodoutHandler->SetOutputFileName("aod.root");
- //aodoutHandler->SetCreateNonStandardAOD();
- mgr->SetOutputEventHandler(aodoutHandler);
-
- //input
- if(kInputData == "ESD"){
- // ESD handler
- AliESDInputHandler *esdHandler = new AliESDInputHandler();
- mgr->SetInputEventHandler(esdHandler);
- }
- if(kInputData == "AOD"){
- // AOD handler
- AliAODInputHandler *aodHandler = new AliAODInputHandler();
- mgr->SetInputEventHandler(aodHandler);
- }
-
- //mgr->SetDebugLevel(-1); // For debugging, do not uncomment if you want no messages.
-
- //-------------------------------------------------------------------------
- //Define task, put here any other task that you want to use.
- //-------------------------------------------------------------------------
-// AliAnaPi0Conv * task = new AliAnaPi0Conv("Pi0") ;
-
- AliAnalysisTaskTaggedPhotons * taskPHOS = new AliAnalysisTaskTaggedPhotons("TaggedPHOS");
- taskPHOS->SetPHOS(kTRUE);
- mgr->AddTask(taskPHOS);
-
- AliAnalysisTaskTaggedPhotons * taskEMCAL = new AliAnalysisTaskTaggedPhotons("TaggedEMCAL");
- taskEMCAL->SetPHOS(kFALSE);
- mgr->AddTask(taskEMCAL);
-
-
- // Create containers for input/output
- AliAnalysisDataContainer *cinput1 = mgr->CreateContainer("cchain",TChain::Class(),
- AliAnalysisManager::kInputContainer);
- AliAnalysisDataContainer *coutput1 = mgr->CreateContainer("tree", TTree::Class(),
- AliAnalysisManager::kOutputContainer, "default");
- AliAnalysisDataContainer *coutput2 = mgr->CreateContainer("histosP", TList::Class(),
- AliAnalysisManager::kOutputContainer, "histosPHOS.root");
- AliAnalysisDataContainer *coutput3 = mgr->CreateContainer("histosE", TList::Class(),
- AliAnalysisManager::kOutputContainer, "histosEMCAL.root");
-
- mgr->ConnectInput (taskPHOS, 0, cinput1);
- mgr->ConnectOutput (taskPHOS, 0, coutput1 );
- mgr->ConnectOutput (taskPHOS, 1, coutput2 );
- mgr->ConnectInput (taskEMCAL, 0, cinput1);
- mgr->ConnectOutput (taskEMCAL, 0, coutput1 );
- mgr->ConnectOutput (taskEMCAL, 1, coutput3 );
-
-
-
- //-----------------------
- // Run the analysis
- //-----------------------
- TString smode = "";
- if (mode==mLocal || mode == mLocalCAF)
- smode = "local";
- else if (mode==mPROOF)
- smode = "proof";
- else if (mode==mGRID)
- smode = "grid";
-
- mgr->InitAnalysis();
- mgr->PrintStatus();
- mgr->StartAnalysis("local",chain);
-// mgr->StartAnalysis(smode.Data(),chain);
-
-cout <<" Analysis ended sucessfully "<< endl ;
-
- }
- else cout << "Chain was not produced ! "<<endl;
-
-}
-
-void LoadLibraries(const anaModes mode) {
-
- //--------------------------------------
- // Load the needed libraries most of them already loaded by aliroot
- //--------------------------------------
- gSystem->Load("libTree.so");
- gSystem->Load("libGeom.so");
- gSystem->Load("libVMC.so");
- gSystem->Load("libXMLIO.so");
-
- //----------------------------------------------------------
- // >>>>>>>>>>> Local mode <<<<<<<<<<<<<<
- //----------------------------------------------------------
- if (mode==mLocal || mode == mLocalCAF || 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("libPHOSUtils");
- //gSystem->Load("libPWG4PartCorrBase");
- //gSystem->Load("libPWG4PartCorrDep");
-
- //--------------------------------------------------------
- //If you want to use root and par files from aliroot
- //--------------------------------------------------------
- SetupPar("STEERBase");
- SetupPar("ESD");
- SetupPar("AOD");
- SetupPar("ANALYSIS");
- SetupPar("ANALYSISalice");
-//If your analysis needs PHOS geometry uncomment following lines
- SetupPar("PHOSUtils");
-// //Create Geometry
- TGeoManager::Import("geometry.root") ; //need file "geometry.root" in local dir!!!!
- SetupPar("PWG4PartCorrBase");
- SetupPar("PWG4PartCorrDep");
- }
-
- //---------------------------------------------------------
- // <<<<<<<<<< PROOF mode >>>>>>>>>>>>
- //---------------------------------------------------------
- else if (mode==mPROOF) {
- //
- // Connect to proof
- // Put appropriate username here
- // TProof::Reset("proof://mgheata@lxb6046.cern.ch");
- TProof::Open("proof://mgheata@lxb6046.cern.ch");
-
- // gProof->ClearPackages();
- // gProof->ClearPackage("ESD");
- // gProof->ClearPackage("AOD");
- // gProof->ClearPackage("ANALYSIS");
- // gProof->ClearPackage("PWG4PartCorrBase");
- // gProof->ClearPackage("PWG4PartCorrDep");
-
- // Enable the STEERBase Package
- gProof->UploadPackage("STEERBase.par");
- gProof->EnablePackage("STEERBase");
- // Enable the ESD Package
- gProof->UploadPackage("ESD.par");
- gProof->EnablePackage("ESD");
- // Enable the AOD Package
- gProof->UploadPackage("AOD.par");
- gProof->EnablePackage("AOD");
- // Enable the Analysis Package
- gProof->UploadPackage("ANALYSIS.par");
- gProof->EnablePackage("ANALYSIS");
- // Enable the PHOS geometry Package
- //gProof->UploadPackage("PHOSUtils.par");
- //gProof->EnablePackage("PHOSUtils");
- // Enable PartCorr analysis
- gProof->UploadPackage("PWG4PartCorrBase.par");
- gProof->EnablePackage("PWG4PartCorrBase");
- gProof->UploadPackage("PWG4PartCorrDep.par");
- gProof->EnablePackage("PWG4PartCorrDep");
- 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 $ALICE_ROOT/%s .", parpar.Data()) ;
- gROOT->ProcessLine(processline.Data()) ;
- }
- if ( gSystem->AccessPathName(pararchivename) ) {
- TString processline = Form(".! tar xvzf %s",parpar.Data()) ;
- gROOT->ProcessLine(processline.Data());
- }
-
- TString ocwd = gSystem->WorkingDirectory();
- gSystem->ChangeDirectory(pararchivename);
-
- // check for BUILD.sh and execute
- if (!gSystem->AccessPathName("PROOF-INF/BUILD.sh")) {
- printf("*******************************\n");
- printf("*** Building PAR archive ***\n");
- cout<<pararchivename<<endl;
- printf("*******************************\n");
-
- if (gSystem->Exec("PROOF-INF/BUILD.sh")) {
- Error("runProcess","Cannot Build the PAR Archive! - Abort!");
- return -1;
- }
- }
- // check for SETUP.C and execute
- if (!gSystem->AccessPathName("PROOF-INF/SETUP.C")) {
- printf("*******************************\n");
- printf("*** Setup PAR archive ***\n");
- cout<<pararchivename<<endl;
- printf("*******************************\n");
- gROOT->Macro("PROOF-INF/SETUP.C");
- }
-
- gSystem->ChangeDirectory(ocwd.Data());
- printf("Current dir: %s\n", ocwd.Data());
-}
-
-
-
-void CreateChain(const anaModes mode, TChain * chain, TChain * chainxs){
- //Fills chain with data
- TString ocwd = gSystem->WorkingDirectory();
-
- //-----------------------------------------------------------
- //Analysis of CAF data locally and with PROOF
- //-----------------------------------------------------------
- if(mode ==mPROOF || mode ==mLocalCAF){
- // Chain from CAF
- gROOT->LoadMacro("$ALICE_ROOT/PWG0/CreateESDChain.C");
- // The second parameter is the number of input files in the chain
- chain = CreateESDChain("ESD12001.txt", 5);
- }
-
- //---------------------------------------
- //Local files analysis
- //---------------------------------------
- else if(mode == mLocal){
- //If you want to add several ESD files sitting in a common directory INDIR
- //Specify as environmental variables the directory (INDIR), the number of files
- //to analyze (NEVENT) and the pattern name of the directories with files (PATTERN)
-
- if(gSystem->Getenv("INDIR"))
- kInDir = gSystem->Getenv("INDIR") ;
- else cout<<"INDIR not set, use default: "<<kInDir<<endl;
-
- if(gSystem->Getenv("PATTERN"))
- kPattern = gSystem->Getenv("PATTERN") ;
- else cout<<"PATTERN not set, use default: "<<kPattern<<endl;
-
- if(gSystem->Getenv("NEVENT"))
- kEvent = atoi(gSystem->Getenv("NEVENT")) ;
- else cout<<"NEVENT not set, use default: "<<kEvent<<endl;
-
- //Check if env variables are set and are correct
- if ( kInDir && kEvent) {
- printf("Get %d files from directory %s\n",kEvent,kInDir);
- if ( ! gSystem->cd(kInDir) ) {//check if ESDs directory exist
- printf("%s does not exist\n", kInDir) ;
- return ;
- }
- cout<<"INDIR : "<<kInDir<<endl;
- cout<<"NEVENT : "<<kEvent<<endl;
- cout<<"PATTERN: " <<kPattern<<endl;
-
- TString datafile="";
- if(kInputData == "ESD") datafile = "AliESDs.root" ;
- else if(kInputData == "AOD") datafile = "aod.root" ;
- else if(kInputData == "MC") datafile = "galice.root" ;
-
- //Loop on ESD files, add them to chain
- Int_t event =0;
- Int_t skipped=0 ;
- char file[120] ;
- char filexs[120] ;
-
- for (event = 0 ; event < kEvent ; event++) {
- sprintf(file, "%s/%s%d/%s", kInDir,kPattern,event,datafile.Data()) ;
- sprintf(filexs, "%s/%s%d/%s", kInDir,kPattern,event,kXSFileName) ;
- TFile * fESD = 0 ;
- //Check if file exists and add it, if not skip it
- if ( fESD = TFile::Open(file)) {
- if ( fESD->Get(kTreeName) ) {
- printf("++++ Adding %s\n", file) ;
- chain->AddFile(file);
- chainxs->Add(filexs) ;
- }
- }
- else {
- printf("---- Skipping %s\n", file) ;
- skipped++ ;
- }
- }
- printf("number of entries # %lld, skipped %d\n", chain->GetEntries(), skipped*100) ;
- }
- else {
- TString input = "AliESDs.root" ;
- cout<<">>>>>> No list added, take a single file <<<<<<<<< "<<input<<endl;
- chain->AddFile(input);
- }
-
- }// local files analysis
-
- //------------------------------
- //GRID xml files
- //-----------------------------
- else if(mode == mGRID){
- //Get colection file. It is specified by the environmental
- //variable XML
-
- if(gSystem->Getenv("XML") )
- kXML = gSystem->Getenv("XML");
- else
- sprintf(kXML, "collection.xml") ;
-
- if (!TFile::Open(kXML)) {
- printf("No collection file with name -- %s -- was found\n",kXML);
- return ;
- }
- else cout<<"XML file "<<kXML<<endl;
-
- //Load necessary libraries and connect to the GRID
- gSystem->Load("libNetx.so") ;
- gSystem->Load("libRAliEn.so");
- TGrid::Connect("alien://") ;
-
- //Feed Grid with collection file
- //TGridCollection * collection = (TGridCollection*)gROOT->ProcessLine(Form("TAlienCollection::Open(\"%s\", 0)", kXML));
- TGridCollection * collection = (TGridCollection*) TAlienCollection::Open(kXML);
- if (! collection) {
- AliError(Form("%s not found", kXML)) ;
- return kFALSE ;
- }
- TGridResult* result = collection->GetGridResult("",0 ,0);
-
- // Makes the ESD chain
- printf("*** Getting the Chain ***\n");
- for (Int_t index = 0; index < result->GetEntries(); index++) {
- TString alienURL = result->GetKey(index, "turl") ;
- cout << "================== " << alienURL << endl ;
- chain->Add(alienURL) ;
- alienURL.ReplaceAll("AliESDs.root",kXSFileName);
- chainxs->Add(alienURL) ;
- }
- }// xml analysis
-
- gSystem->ChangeDirectory(ocwd.Data());
-}
-
-//________________________________________________
-void GetAverageXsection(TTree * tree, Double_t & xs, Float_t & ntr)
-{
- // Read the PYTHIA statistics from the file pyxsec.root created by
- // the function WriteXsection():
- // integrated cross section (xsection) and
- // the number of Pyevent() calls (ntrials)
- // and calculate the weight per one event xsection/ntrials
- // The spectrum calculated by a user should be
- // multiplied by this weight, something like this:
- // TH1F *userSpectrum ... // book and fill the spectrum
- // userSpectrum->Scale(weight)
- //
- // Yuri Kharlov 19 June 2007
- // Gustavo Conesa 15 April 2008
- Double_t xsection = 0;
- UInt_t ntrials = 0;
- xs = 0;
- ntr = 0;
-
- Int_t nfiles = tree->GetEntries() ;
- if (tree && nfiles > 0) {
- tree->SetBranchAddress("xsection",&xsection);
- tree->SetBranchAddress("ntrials",&ntrials);
- for(Int_t i = 0; i < nfiles; i++){
- tree->GetEntry(i);
- xs += xsection ;
- ntr += ntrials ;
- cout << "xsection " <<xsection<<" ntrials "<<ntrials<<endl;
- }
-
- xs = xs / nfiles;
- ntr = ntr / nfiles;
- cout << "-----------------------------------------------------------------"<<endl;
- cout << "Average of "<< nfiles<<" files: xsection " <<xs<<" ntrials "<<ntr<<endl;
- cout << "-----------------------------------------------------------------"<<endl;
- }
- else cout << " >>>> Empty tree !!!! <<<<< "<<endl;
-
-}
-
-
-
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