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HistoCut.C
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HistoCut.C
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void HistoCut(TString InFileName)
{
TFile *f1 = new TFile(Form("%s/glauber_qa.root", InFileName.Data()));
TH1F *FitHisto = (TH1F *)f1->Get("glaub_fit_histo");
TH1F *DataHisto = (TH1F *)f1->Get("h1_track_multiplicity");
Int_t CentralityClasses = 14;
int range_cent[15] = {0, 5, 10, 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100};
Int_t bins = FitHisto->GetNbinsX();
Int_t binsN = FitHisto->FindLastBinAbove();
cout << "bins=" << bins << endl;
Double_t max = FitHisto->GetXaxis()->GetBinCenter(bins);
cout << "max=" << max << endl;
Double_t min = FitHisto->GetYaxis()->GetXmin();
cout << "min=" << min << endl;
Double_t integral = FitHisto->Integral(2, bins);
cout << "integral=" << integral << endl;
TFile *f = new TFile(Form("%s/HistoCutResult.root", InFileName.Data()), "recreate");
TH1F *ResultHisto[CentralityClasses];
for (int i = 0; i < CentralityClasses; i++)
ResultHisto[i] = new TH1F(Form("CentralityClass_Fit %1.1d%%-%1.1d%%", range_cent[i], range_cent[i + 1]), ";tracks;counts", bins, min, max);
Int_t j = 1;
for (int i = 0; i < CentralityClasses; i++)
{
ResultHisto[i]->SetLineColor(j);
j++;
if (j == 9)
j = 1;
}
for (int i = 0; i < CentralityClasses; i++)
ResultHisto[i]->SetLineWidth(4);
TH1F *CentralityHisto[CentralityClasses];
for (int i = 0; i < CentralityClasses; i++)
CentralityHisto[i] = new TH1F(Form("CentralityClass %1.1d%%-%1.1d%%", range_cent[i], range_cent[i + 1]), ";tracks;counts", bins, min, max);
j = 1;
for (int i = 0; i < CentralityClasses; i++)
{
CentralityHisto[i]->SetLineColor(j);
j++;
if (j == 9)
j = 1;
}
for (int i = 0; i < CentralityClasses; i++)
CentralityHisto[i]->SetLineWidth(4);
TH1F *Centrality_vs_Multiplisity = new TH1F("Centrality_vs_Multiplisity", ";tracks;CentralityPercent", bins, min, max);
Centrality_vs_Multiplisity->SetLineColor(1);
Centrality_vs_Multiplisity->SetLineWidth(4);
j = 0;
Double_t sum = 0.0;
Double_t IntegrSc = 0;
for (Int_t i = binsN - 1; i >= 1; i--)
{
IntegrSc = FitHisto->Integral(i, binsN);// / integral;
if (IntegrSc <= integral*range_cent[j + 1] * 0.01 && j < CentralityClasses)
{
ResultHisto[j]->SetBinContent(i, FitHisto->GetBinContent(i));
// cout << "j=" << j << " i=" << i << " Int=" << IntegrSc << endl;
}
// if (IntegrSc >= ((j + 1.) / CentralityClasses))
else
{
j++;
if (j < CentralityClasses)
{
ResultHisto[j]->SetBinContent(i, FitHisto->GetBinContent(i));
// cout << "j=" << j << " i=" << i << " Int=" << IntegrSc << endl;
}
}
}
// cout << "---------------------------------------------------" << endl;
for (int j = 0; j < CentralityClasses; j++)
{
for (Int_t i = 1; i < binsN; i++)
{
if ((ResultHisto[j]->GetBinContent(i)) > 0)
{
CentralityHisto[j]->SetBinContent(i, DataHisto->GetBinContent(i));
Centrality_vs_Multiplisity->SetBinContent(i, range_cent[j + 1]);
}
}
}
TTree *Borders = new TTree("Borders", "Borders");
Int_t Ncc, BIN, MinBorder, MaxBorder;
Float_t MinPercent, MaxPercent;
Borders->Branch("Ncc", &Ncc);
Borders->Branch("MinPercent", &MinPercent);
Borders->Branch("MaxPercent", &MaxPercent);
Borders->Branch("MinBorder", &MinBorder);
Borders->Branch("MaxBorder", &MaxBorder);
j = 0;
for (Int_t i = 1; i <= CentralityClasses; i++)
{
Ncc = i;
Int_t l = 2;
while ((ResultHisto[j]->GetBinContent(l)) <= 0 && l < bins)
l++;
MinPercent = range_cent[j];
MinBorder = ResultHisto[j]->GetBinCenter(l);
BIN = l;
for (Int_t q = BIN; q <= bins; q++)
{
if ((ResultHisto[j]->GetBinContent(q)) <= 0)
{
MaxPercent = range_cent[j + 1];
MaxBorder = ResultHisto[j]->GetBinCenter(q);
break;
};
if (q == bins)
{
MaxPercent = (j + 1) * 100 / CentralityClasses;
MaxBorder = ResultHisto[j]->GetBinCenter(q);
};
}
Borders->Fill();
j++;
}
TLegend legend1(0.1, 0.2, 0.3, 0.4, "HistoCutResult");
for (int i = 0; i < CentralityClasses; i++)
legend1.AddEntry(ResultHisto[i], Form("CentralityClass %1.1d%%-%1.1d%%", range_cent[i], range_cent[i + 1]));
THStack *ResultHistos = new THStack("HistoCutResult", "HistoCutResult");
for (int i = 0; i < CentralityClasses; i++)
ResultHistos->Add(ResultHisto[i]);
for (int i = 0; i < CentralityClasses; i++)
ResultHisto[i]->Write();
TLegend legend2(0.1, 0.2, 0.3, 0.4, "CentraliryClasses");
for (int i = 0; i < CentralityClasses; i++)
legend2.AddEntry(CentralityHisto[i], Form("CentralityClass %1.1d%%-%1.1d%%", range_cent[i], range_cent[i + 1]));
THStack *CentralityHistos = new THStack("HistoCutResult", "HistoCutResult");
for (int i = 0; i < CentralityClasses; i++)
CentralityHistos->Add(CentralityHisto[i]);
for (int i = 0; i < CentralityClasses; i++)
CentralityHisto[i]->Write();
Centrality_vs_Multiplisity->Write();
Borders->Write();
f->Close();
}