3 * @author Christian Holm Christensen <cholm@dalsgaard.hehi.nbi.dk>
4 * @date Wed Mar 23 09:41:56 2011
6 * @brief Run second pass analysis - make @f$ dN/d\eta@f$
8 * @ingroup pwg2_forward_scripts_makers
11 * Run second pass analysis - make @f$ dN/d\eta@f$
13 * If the ROOT AliEn interface library (libRAliEn) can be loaded,
14 * and the parameter @a name is not empty, then use the plugin to do
15 * the analysis. Note that in this case, the output is placed
16 * in a sub-directory named by @a name after escaping spaces and special
19 * @param aoddir AOD input directory. Any file matching the pattern
20 * *AliAODs*.root are added to the chain
21 * @param nEvents Number of events to process. If 0 or less, then
22 * all events are analysed
23 * @param trig Trigger to use
24 * @param useCent Whether to use centrality or not
25 * @param scheme Normalisation scheme
26 * @param vzMin Least @f$ v_z@f$ (centimeter)
27 * @param vzMax Largest @f$ v_z@f$ (centimeter)
28 * @param proof If larger then 1, run in PROOF-Lite mode with this
29 * many number of workers.
30 * @param name Name of train - free form. This will be the name
31 * of the output directory if the plug-in is used
33 * @ingroup pwg2_forward_dndeta
35 void MakedNdeta(const char* aoddir = ".",
37 const char* trig = "INEL",
38 Bool_t useCent = false,
39 const char* scheme = 0,
44 const char* mcfile = 0)
46 if ((name && name[0] != '\0') && gSystem->Load("libRAliEn") >= 0) {
47 gROOT->SetMacroPath(Form("%s:$(ALICE_ROOT)/PWG2/FORWARD/analysis2:"
48 "$ALICE_ROOT/ANALYSIS/macros",
49 gROOT->GetMacroPath()));
50 gSystem->AddIncludePath("-I${ALICE_ROOT}/include");
51 gSystem->Load("libANALYSIS");
52 gSystem->Load("libANALYSISalice");
53 gROOT->LoadMacro("TrainSetup.C+");
54 MakedNdetaTrain t(name, trig, vzMin, vzMax, scheme, useCent, false);
57 t.SetAllowOverwrite(true);
58 t.SetProofServer(Form("workers=%d",proof));
59 t.Run(proof > 0 ? "PROOF" : "LOCAL", "FULL", nEvents, proof > 0);
62 // --- Libraries to load -------------------------------------------
63 gROOT->Macro("$ALICE_ROOT/PWG2/FORWARD/analysis2/scripts/LoadLibs.C");
65 // --- Check for proof mode, and possibly upload pars --------------
67 gROOT->LoadMacro("$ALICE_ROOT/PWG2/FORWARD/analysis2/scripts/LoadPars.C");
71 // --- Our data chain ----------------------------------------------
72 gROOT->LoadMacro("$ALICE_ROOT/PWG2/FORWARD/analysis2/scripts/MakeChain.C");
73 TChain* chain = MakeChain("AOD", aoddir,true);
74 // If 0 or less events is select, choose all
75 if (nEvents <= 0) nEvents = chain->GetEntries();
77 // --- Set the macro path ------------------------------------------
78 gROOT->SetMacroPath(Form("%s:$(ALICE_ROOT)/PWG2/FORWARD/analysis2:"
79 "$ALICE_ROOT/ANALYSIS/macros",
80 gROOT->GetMacroPath()));
82 // --- Creating the manager and handlers ---------------------------
83 AliAnalysisManager *mgr = new AliAnalysisManager(name, "Forward dN/deta");
84 AliAnalysisManager::SetCommonFileName("forward_dndeta.root");
86 // --- ESD input handler -------------------------------------------
87 AliAODInputHandler *aodInputHandler = new AliAODInputHandler();
88 mgr->SetInputEventHandler(aodInputHandler);
90 // --- Add tasks ---------------------------------------------------
92 gROOT->LoadMacro("AddTaskForwarddNdeta.C");
93 AddTaskForwarddNdeta(trig, vzMin, vzMax, useCent, scheme, true, mcfile);
95 gROOT->LoadMacro("AddTaskCentraldNdeta.C");
96 AddTaskCentraldNdeta(trig, vzMin, vzMax, useCent, scheme,false, mcfile);
98 gROOT->LoadMacro("AddTaskMCTruthdNdeta.C");
99 AddTaskMCTruthdNdeta(trig, vzMin, vzMax, useCent, scheme);
102 // --- Run the analysis --------------------------------------------
104 if (!mgr->InitAnalysis()) {
105 Error("MakedNdeta", "Failed to initialize analysis train!");
108 // Skip terminate if we're so requested and not in Proof or full mode
109 mgr->SetSkipTerminate(false);
110 // Some informative output
112 // mgr->SetDebugLevel(3);
113 if (mgr->GetDebugLevel() < 1 && !proof)
114 mgr->SetUseProgressBar(kTRUE,100);
118 Printf("=== RUNNING ANALYSIS ==================================");
119 mgr->StartAnalysis(proof ? "proof" : "local", chain, nEvents);