PWGLF/FORWARD/analysis2/trains/MakeFMDELossTrain.C

   1 /**
   2  * @file   MakeFMDELossTrain.C
   3  * @author Christian Holm Christensen <cholm@master.hehi.nbi.dk>
   4  * @date   Fri Jun  1 13:53:02 2012
   5  *
   6  * @brief
   7  *
   8  *
   9  * @ingroup pwglf_forward_trains_specific
  10  */
  11 #include "TrainSetup.C"
  12
  13 //====================================================================
  14 /**
  15  * Analysis train to do energy loss fits
  16  *
  17  * @ingroup pwglf_forward_trains_specific
  18  * @ingroup pwglf_forward_eloss
  19  */
  20 class MakeFMDELossTrain : public TrainSetup
  21 {
  22 public:
  23   /**
  24    * Constructor.
  25    *
  26    * @param name     Name of train
  27    */
  28   MakeFMDELossTrain(const char* name  = "FMD Energy Loss")
  29     : TrainSetup(name)
  30   {
  31     fOptions.Add("only-mb", "Only collect statistics from MB events");
  32     fOptions.Add("config",  "FILE", "Configuration", "elossFitConfig.C");
  33     fOptions.Add("corr",    "DIR",  "Corrections dir", "");
  34     fOptions.Set("type", "ESD");
  35   }
  36 protected:
  37   //------------------------------------------------------------------
  38   /**
  39    * Create the analysis manager
  40    *
  41    * @param name Name of the analysis
  42    *
  43    * @return Created analysis manager
  44    */
  45   virtual AliAnalysisManager* CreateAnalysisManager(const char* name)
  46   {
  47     AliAnalysisManager* mgr = TrainSetup::CreateAnalysisManager(name);
  48     // mgr->SetAutoBranchLoading(false);
  49     return mgr;
  50   }
  51   //__________________________________________________________________
  52   /**
  53    * Create the tasks
  54    *
  55    * @param mgr  Analysis manager
  56    */
  57   void CreateTasks(AliAnalysisManager* mgr)
  58   {
  59     // --- Output file name ------------------------------------------
  60     AliAnalysisManager::SetCommonFileName("forward_eloss.root");
  61
  62     // --- Load libraries/pars ---------------------------------------
  63     fRailway->LoadLibrary("PWGLFforward2");
  64
  65     // --- Set load path ---------------------------------------------
  66     gROOT->SetMacroPath(Form("%s:$(ALICE_ROOT)/PWGLF/FORWARD/analysis2",
  67                              gROOT->GetMacroPath()));
  68
  69     // --- Check if this is MC ---------------------------------------
  70     Bool_t   mc     = HasMCHandler();
  71     Bool_t   onlyMB = fOptions.AsBool("only-mb");
  72     TString  config = fOptions.Get("config");
  73     TString  corrs  = "";
  74     if (fOptions.Has("corr")) corrs = fOptions.Get("corr");
  75
  76     // --- Add the task ----------------------------------------------
  77     CoupleCar("AddTaskFMDELoss.C", Form("%d,%d,\"%s\",\"%s\"",
  78                                         mc, onlyMB,
  79                                         config.Data(),
  80                                         corrs.Data()));
  81     fRailway->LoadAux(gSystem->Which(gROOT->GetMacroPath(), config), true);
  82     if (!corrs.IsNull())
  83       fRailway->LoadAux(Form("%s/fmd_corrections.root",corrs.Data()), true);
  84
  85   }
  86   /**
  87    * Create entrality selection if enabled
  88    *
  89    * @param mc   Whether this is MC or not
  90    * @param mgr  Analysis manager
  91    */
  92   virtual void CreateCentralitySelection(Bool_t mc)
  93   {
  94     if (!fOptions.Has("cent")) return;
  95     TrainSetup::CreateCentralitySelection(mc);
  96   }
  97   /**
  98    * Crete output handler - we don't want one here.
  99    *
 100    * @return 0
 101    */
 102   AliVEventHandler* CreateOutputHandler(UShort_t) { return 0; }
 103
 104   //__________________________________________________________________
 105   const char* ClassName() const { return "MakeFMDELossTrain"; }
 106   //__________________________________________________________________
 107   /**
 108    * Overloaded to create new Extract.C in the output
 109    * directory
 110    *
 111    * @param asShellScript
 112    */
 113   void SaveSetup(Bool_t asShellScript)
 114   {
 115     TrainSetup::SaveSetup(asShellScript);
 116     SaveExtract();
 117     SaveSummarize();
 118     SaveReFit();
 119   }
 120   void SaveExtract()
 121   {
 122     std::ofstream f("Extract.C");
 123     if (!f) {
 124       Error("SaveSetup", "Failed to open Extract.C");
 125       return;
 126     }
 127     f << "// Generated by " << ClassName() << "\n"
 128       << "void Extract(Bool_t mc=" << HasMCHandler() << ",\n"
 129       << "             const char* file=\"forward_eloss.root\")\n"
 130       << "{\n"
 131       << "  const char* fwd=\"$ALICE_ROOT/PWGLF/FORWARD/analysis2\";\n"
 132       << "  gROOT->LoadMacro(Form(\"%s/corrs/ExtractELoss.C\",fwd));\n"
 133       << "  ExtractELoss(file,mc);\n"
 134       << "}\n"
 135       << "// EOF" << std::endl;
 136     f.close();
 137   }
 138   void SaveSummarize()
 139   {
 140     std::ofstream f("Summarize.C");
 141     if (!f) {
 142       Error("SaveSummarize", "Failed to open Summarize.C script");
 143       return;
 144     }
 145     f << std::boolalpha
 146       << "// Generated by " << ClassName() << "\n"
 147       << "//\n"
 148       << "void Summarize(Bool_t mc=" << HasMCHandler() << ",\n"
 149       << "               const char* filename=\"forward_eloss.root\")\n"
 150       << "{\n"
 151       << "  const char* fwd=\"$ALICE_ROOT/PWGLF/FORWARD/analysis2\";\n"
 152       << "  gROOT->LoadMacro(Form(\"%s/corrs/DrawCorrELoss.C\",fwd));\n"
 153       << "  DrawCorrELoss(mc,filename);\n"
 154       << "}\n"
 155       << "// EOF" << std::endl;
 156     f.close();
 157   }
 158   void SaveReFit()
 159   {
 160     std::ofstream f("ReFit.C");
 161     if (!f) {
 162       Error("SaveRerun", "Failed to open ReFit.C script");
 163       return;
 164     }
 165     f << std::boolalpha
 166       << "// Generated by " << ClassName() << "\n"
 167       << "// If force=true, then force set parameters\n"
 168       << "// If shift=true, enable extra shift in Delta from sigma/xi\n"
 169       << "//\n"
 170       << "void ReFit(Bool_t      force=false,\n"
 171       << "           Bool_t      shift=true,\n"
 172       << "           const char* filename=\"forward_eloss.root\")\n"
 173       << "{\n"
 174       << "  const char* fwd=\"$ALICE_ROOT/PWGLF/FORWARD/analysis2\";\n"
 175       << "  gROOT->LoadMacro(Form(\"%s/corrs/RerunELossFits.C\",fwd));\n"
 176       << "  RerunELossFits(force,filename);\n"
 177       << "}\n"
 178       << "// EOF" << std::endl;
 179     f.close();
 180   }
 181   void PostShellCode(std::ostream& f)
 182   {
 183     f << "  mc=" << std::boolalpha << HasMCHandler() << "\n"
 184       << "  echo \"=== Extracting Corrections ...\"\n"
 185       << "  aliroot -l -b -q ${prefix}Extract.C\\($mc\\)\n"
 186       << "  echo \"=== Summarizing results ...\"\n"
 187       << "  aliroot -l -b -q ${prefix}Summarize.C\\($mc\\)\n"
 188       << "  if test x$dest = x ; then return ; fi\n"
 189       << "  echo \"=== Uploading to ${dest} ...\"\n"
 190       << "  aliroot -l -b -q Upload.C\\(\\\"${dest}\\\"\\);\n"
 191       << std::endl;
 192   }
 193 };
 194
 195 //
 196 // EOF
 197 //