PWG0/dNdEta/correct.C

   1 void loadlibs()
   2 {
   3   gSystem->Load("libTree");
   4   gSystem->Load("libVMC");
   5
   6   gSystem->Load("libSTEERBase");
   7   gSystem->Load("libANALYSIS");
   8   gSystem->Load("libPWG0base");
   9 }
  10
  11 void FinishAnalysisAll(const char* dataInput = "analysis_esd_raw.root", const char* dataOutput = "analysis_esd.root", const char* correctionMapFile = "correction_map2.root", const char* correctionMapFolder = "dndeta_correction_ua5")
  12 {
  13   loadlibs();
  14
  15   AlidNdEtaCorrection* dNdEtaCorrection = 0;
  16
  17   if (correctionMapFile)
  18   {
  19     dNdEtaCorrection = new AlidNdEtaCorrection(correctionMapFolder, correctionMapFolder);
  20     if (!TFile::Open(correctionMapFile))
  21       return;
  22     dNdEtaCorrection->LoadHistograms();
  23   }
  24
  25   TFile* file = TFile::Open(dataInput);
  26
  27   if (!file)
  28   {
  29     cout << "Error. File not found" << endl;
  30     return;
  31   }
  32
  33   Int_t backgroundEvents = 0;
  34
  35   //backgroundEvents = 1162+434; // Michele for MB1, run 104892, 15.02.10
  36   //backgroundEvents = 842;    // JF estimate for V0 systematic case 1
  37   backgroundEvents = 6;          // Michele for V0AND, run 104892, 15.02.10
  38
  39   //backgroundEvents = 1758+434; // MB1, run 104867-92
  40
  41   //backgroundEvents = 4398+961;   // Michele for MB1, run 104824-52, 16.02.10
  42   //backgroundEvents = 19;         // Michele for V0AND, run 104824-52, 16.02.10
  43
  44   //backgroundEvents = -1;    // use 0 bin from MC! for 2.36 TeV
  45   //backgroundEvents = 900; // my estimate for 2.36 TeV
  46
  47   //backgroundEvents = 918;   // V0OR for run 114786 w/o bunch intensities w/o proper 0 checking!
  48   //backgroundEvents = 723; // V0OR for run 114798 w/o bunch intensities w/o proper 0 checking!
  49
  50   Printf("Subtracting %d background events!!!", backgroundEvents);
  51   gSystem->Sleep(1000);
  52
  53   TH1* combinatoricsCorrection = 0;
  54   if (1)
  55   {
  56     TFile::Open("corrComb.root");
  57     combinatoricsCorrection = (TH1*) gFile->Get("ratioofratios");
  58     file->cd();
  59   }
  60
  61   // Note: the last parameter does not define which analysis is going to happen, the histograms will be overwritten when loading from the file
  62   dNdEtaAnalysis* fdNdEtaAnalysis = new dNdEtaAnalysis("dndetaNSD", "dndetaNSD");
  63   fdNdEtaAnalysis->LoadHistograms("fdNdEtaAnalysisESD");
  64   fdNdEtaAnalysis->Finish(dNdEtaCorrection, 0.151, AlidNdEtaCorrection::kNSD, "ESD -> NSD", backgroundEvents, combinatoricsCorrection);
  65   //fdNdEtaAnalysis->DrawHistograms(kTRUE);
  66   TFile* file2 = TFile::Open(dataOutput, "RECREATE");
  67   fdNdEtaAnalysis->SaveHistograms();
  68
  69   file->cd();
  70   dNdEtaAnalysis* fdNdEtaAnalysis = new dNdEtaAnalysis("dndeta", "dndeta");
  71   fdNdEtaAnalysis->LoadHistograms("fdNdEtaAnalysisESD");
  72   fdNdEtaAnalysis->Finish(dNdEtaCorrection, 0.151, AlidNdEtaCorrection::kINEL, "ESD -> full inelastic", backgroundEvents, combinatoricsCorrection);
  73   //fdNdEtaAnalysis->DrawHistograms(kTRUE);
  74   file2->cd();
  75   fdNdEtaAnalysis->SaveHistograms();
  76
  77   file->cd();
  78   fdNdEtaAnalysis = new dNdEtaAnalysis("dndetaTr", "dndetaTr");
  79   fdNdEtaAnalysis->LoadHistograms("fdNdEtaAnalysisESD");
  80   fdNdEtaAnalysis->Finish(dNdEtaCorrection, 0.151, AlidNdEtaCorrection::kVertexReco, "ESD -> minimum bias", backgroundEvents, combinatoricsCorrection);
  81   //fdNdEtaAnalysis->DrawHistograms(kTRUE);
  82   file2->cd();
  83   fdNdEtaAnalysis->SaveHistograms();
  84
  85   file->cd();
  86   fdNdEtaAnalysis = new dNdEtaAnalysis("dndetaTrVtx", "dndetaTrVtx");
  87   fdNdEtaAnalysis->LoadHistograms("fdNdEtaAnalysisESD");
  88   fdNdEtaAnalysis->Finish(dNdEtaCorrection, 0.151, AlidNdEtaCorrection::kTrack2Particle, "ESD -> MB with vertex", backgroundEvents, combinatoricsCorrection);
  89   //fdNdEtaAnalysis->DrawHistograms(kTRUE);
  90   file2->cd();
  91   fdNdEtaAnalysis->SaveHistograms();
  92
  93   file->cd();
  94   fdNdEtaAnalysis = new dNdEtaAnalysis("dndetaTracks", "dndetaTracks");
  95   fdNdEtaAnalysis->LoadHistograms("fdNdEtaAnalysisESD");
  96   fdNdEtaAnalysis->Finish(0, 0.151, AlidNdEtaCorrection::kNone, "ESD raw with pt cut", backgroundEvents, combinatoricsCorrection);
  97   //fdNdEtaAnalysis->DrawHistograms(kTRUE);
  98   file2->cd();
  99   fdNdEtaAnalysis->SaveHistograms();
 100
 101   file->cd();
 102   fdNdEtaAnalysis = new dNdEtaAnalysis("dndetaTracksAll", "dndetaTracksAll");
 103   fdNdEtaAnalysis->LoadHistograms("fdNdEtaAnalysisESD");
 104   fdNdEtaAnalysis->Finish(0, -1, AlidNdEtaCorrection::kNone, "ESD raw", backgroundEvents, combinatoricsCorrection);
 105   //fdNdEtaAnalysis->DrawHistograms(kTRUE);
 106   file2->cd();
 107   fdNdEtaAnalysis->SaveHistograms();
 108
 109   file->cd();
 110   fdNdEtaAnalysis = new dNdEtaAnalysis("dndetaOnePart", "dndetaOnePart");
 111   fdNdEtaAnalysis->LoadHistograms("fdNdEtaAnalysisESD");
 112   fdNdEtaAnalysis->Finish(dNdEtaCorrection, 0.151, AlidNdEtaCorrection::kOnePart, "ESD -> OnePart", backgroundEvents, combinatoricsCorrection);
 113   //fdNdEtaAnalysis->DrawHistograms(kTRUE);
 114   file2->cd();
 115   fdNdEtaAnalysis->SaveHistograms();
 116
 117   file2->Write();
 118   file2->Close();
 119 }
 120
 121 void* FinishAnalysis(const char* analysisFile = "analysis_esd_raw.root", const char* analysisDir = "fdNdEtaAnalysisESD", const char* correctionMapFile = "correction_map.root", const char* correctionMapFolder = "dndeta_correction", Bool_t useUncorrected = kFALSE, Bool_t simple = kFALSE)
 122 {
 123   loadlibs();
 124
 125   TFile* file = TFile::Open(analysisFile);
 126
 127   dNdEtaAnalysis* fdNdEtaAnalysis = new dNdEtaAnalysis(analysisDir, analysisDir);
 128   fdNdEtaAnalysis->LoadHistograms();
 129
 130   if (correctionMapFile)
 131   {
 132     AlidNdEtaCorrection* dNdEtaCorrection = new AlidNdEtaCorrection(correctionMapFolder, correctionMapFolder);
 133     TFile::Open(correctionMapFile);
 134     dNdEtaCorrection->LoadHistograms();
 135
 136     fdNdEtaAnalysis->Finish(dNdEtaCorrection, 0.151, AlidNdEtaCorrection::kINEL);
 137     //fdNdEtaAnalysis->Finish(dNdEtaCorrection, 0, AlidNdEtaCorrection::kINEL);
 138     //fdNdEtaAnalysis->Finish(dNdEtaCorrection, 0, AlidNdEtaCorrection::kTrack2Particle);
 139   }
 140   else
 141     fdNdEtaAnalysis->Finish(0, 0.151, AlidNdEtaCorrection::kNone);
 142
 143   return fdNdEtaAnalysis;
 144
 145   fdNdEtaAnalysis->DrawHistograms(simple);
 146
 147   TH1* hist = fdNdEtaAnalysis->GetdNdEtaHistogram(1);
 148   Int_t binLeft = hist->GetXaxis()->FindBin(-0.5);
 149   Int_t binRight = hist->GetXaxis()->FindBin(0.5);
 150   Float_t value1 = hist->Integral(binLeft, binRight);
 151
 152   hist = fdNdEtaAnalysis->GetdNdEtaHistogram(2);
 153   Float_t value2 = hist->Integral(binLeft, binRight);
 154
 155   if (value2 > 0)
 156     printf("Ratio is %f, values are %f %f\n", value1 / value2, value1, value2);
 157
 158   return fdNdEtaAnalysis;
 159 }
 160
 161 void FinishMC()
 162 {
 163   loadlibs();
 164
 165   result1 = (dNdEtaAnalysis*) FinishAnalysis("analysis_mc.root", "dndeta", 0, 0, 1);
 166   result2 = (dNdEtaAnalysis*) FinishAnalysis("analysis_mc.root", "dndetaNSD", 0, 0, 1);
 167
 168   file = TFile::Open("out.root", "RECREATE");
 169   result1->SaveHistograms();
 170   result2->SaveHistograms();
 171   file->Close();
 172 }
 173
 174 void correct(Bool_t onlyESD = kFALSE, Bool_t mergedXSections = kTRUE)
 175 {
 176   gSystem->Unlink("analysis_esd.root");
 177   if (mergedXSections)
 178     FinishAnalysisAll("analysis_esd_raw.root", "analysis_esd.root", "correction_map2.root", "dndeta_correction_ua5");
 179   else
 180     FinishAnalysisAll("analysis_esd_raw.root", "analysis_esd.root", "correction_map.root", "dndeta_correction");
 181
 182   gROOT->ProcessLine(".L $ALICE_ROOT/PWG0/dNdEta/drawPlots.C");
 183   dNdEta(onlyESD);
 184 }
 185
 186