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getFakeRate.C
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getFakeRate.C
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// Constants
//------------------------------------------------------------------------------
const Int_t njetet = 7;
const Float_t muojetarray[njetet] = {10, 15, 20, 25, 30, 35, 45};
const Float_t elejetarray[njetet] = {10, 15, 20, 25, 30, 35, 45};
const Float_t colors [njetet] = {kRed, kRed+1, kRed+2, kRed+3, kRed+4, kRed+5, kRed+6};
//const Float_t colors [njetet] = {kRed-6, kRed-5, kRed-4, kRed-3, kRed-2, kRed-1, kRed};
const Float_t muoscale = -1.;
const Float_t elescale = -1.;
// Data members
//------------------------------------------------------------------------------
bool drawone = false;
bool savepng = true;
bool setgrid = true;
bool Wsubtraction = true;
bool Zsubtraction = true;
TFile* dataFR;
TFile* wjetsFR;
TFile* zjetsFR;
TFile* zjetsPR;
TString inputdir;
TString outputdir;
TString btagDirectory = "";
// Functions
//------------------------------------------------------------------------------
void Cosmetics (TH1D* hist,
Option_t* option,
TString xtitle,
TString ytitle,
Color_t color);
void DrawAllJetEt(TString flavour,
TString variable,
TString xtitle,
Float_t lepscale);
void DrawFR (TString flavour,
TString variable,
TString xtitle,
Float_t lepscale,
Float_t jetet);
void DrawPR (TString flavour,
TString variable,
TString xtitle);
void WriteFR (TString flavour,
Float_t lepscale,
Float_t jetet);
void WritePR (TString flavour);
void DrawLatex (Font_t tfont,
Float_t x,
Float_t y,
Float_t tsize,
Short_t align,
const char* text,
Bool_t setndc = true);
TLegend* DrawLegend (Float_t x1,
Float_t y1,
TH1* hist,
TString label,
TString option = "p",
Float_t tsize = 0.035,
Float_t xoffset = 0.184,
Float_t yoffset = 0.043);
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
// root -l -b -q getFakeRate.C
//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
void getFakeRate(TString inputdir_name = "results",
TString outputdir_name = "fakerate")
{
inputdir = inputdir_name;
outputdir = outputdir_name;
gInterpreter->ExecuteMacro("PaperStyle.C");
if (savepng) gSystem->mkdir("png", kTRUE);
gSystem->mkdir(outputdir, kTRUE);
dataFR = new TFile (inputdir + "/hadd_data.root", "read");
wjetsFR = new TFile (inputdir + "/hadd_wjets.root", "read");
zjetsFR = new TFile (inputdir + "/hadd_zjets.root", "read");
zjetsPR = new TFile (inputdir + "/hadd_zjets.root", "read");
// Prompt rate
//----------------------------------------------------------------------------
WritePR("Ele");
WritePR("Muon");
DrawPR("Ele", "pt", "p_{T} [GeV]");
DrawPR("Muon", "pt", "p_{T} [GeV]");
DrawPR("Ele", "eta", "|#eta|");
DrawPR("Muon", "eta", "|#eta|");
// Fake rate
//----------------------------------------------------------------------------
Float_t elejetet;
Float_t muojetet;
for (Int_t i=0; i<njetet; i++) {
elejetet = elejetarray[i];
muojetet = muojetarray[i];
WriteFR("Ele", elescale, elejetet);
WriteFR("Muon", muoscale, muojetet);
if (drawone && i != 3) continue;
DrawFR("Ele", "pt", "p_{T} [GeV]", elescale, elejetet);
DrawFR("Muon", "pt", "p_{T} [GeV]", muoscale, muojetet);
DrawFR("Ele", "eta", "|#eta|", elescale, elejetet);
DrawFR("Muon", "eta", "|#eta|", muoscale, muojetet);
}
// Draw all fake rates together
//----------------------------------------------------------------------------
DrawAllJetEt("Ele", "pt", "p_{T} [GeV]", elescale);
DrawAllJetEt("Muon", "pt", "p_{T} [GeV]", muoscale);
DrawAllJetEt("Ele", "eta", "|#eta|", elescale);
DrawAllJetEt("Muon", "eta", "|#eta|", muoscale);
}
//------------------------------------------------------------------------------
// DrawAllJetEt
//------------------------------------------------------------------------------
void DrawAllJetEt(TString flavour,
TString variable,
TString xtitle,
Float_t lepscale)
{
Float_t jetet;
TString title1 = Form("%s fake rate considering various jet p_{T}", flavour.Data());
TCanvas* canvas1 = new TCanvas(title1 + " " + variable, title1 + " " + variable);
canvas1->SetGridx(setgrid);
canvas1->SetGridy(setgrid);
canvas1->cd();
for (Int_t i=0; i<njetet; i++) {
jetet = (flavour == "Ele") ? elejetarray[i] : muojetarray[i];
TString suffix = Form("%s_bin_%.0fGeV", variable.Data(), jetet);
// Read loose and tight histograms
//--------------------------------------------------------------------------
TH1D* h_loose_data = (TH1D*)dataFR ->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_loose_" + suffix);
TH1D* h_loose_zjets = (TH1D*)zjetsFR->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_loose_" + suffix);
TH1D* h_loose_wjets = (TH1D*)wjetsFR->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_loose_" + suffix);
TH1D* h_tight_data = (TH1D*)dataFR ->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_tight_" + suffix);
TH1D* h_tight_zjets = (TH1D*)zjetsFR->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_tight_" + suffix);
TH1D* h_tight_wjets = (TH1D*)wjetsFR->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_tight_" + suffix);
// Prepare fake rate histograms
//--------------------------------------------------------------------------
TH1D* h_FR_EWK = (TH1D*)h_tight_data->Clone("h_" + flavour + "_FR_EWK_" + variable);
TH1D* h_FR_EWK_denominator = (TH1D*)h_loose_data->Clone("h_" + flavour + "_FR_EWK_denominator_" + variable);
// Do the math
//--------------------------------------------------------------------------
if (Zsubtraction) h_FR_EWK->Add(h_tight_zjets, lepscale);
if (Wsubtraction) h_FR_EWK->Add(h_tight_wjets, lepscale);
if (Zsubtraction) h_FR_EWK_denominator->Add(h_loose_zjets, lepscale);
if (Wsubtraction) h_FR_EWK_denominator->Add(h_loose_wjets, lepscale);
h_FR_EWK->Divide(h_FR_EWK_denominator);
Cosmetics(h_FR_EWK, "ep,same", xtitle, title1, colors[i]);
DrawLegend(0.22, 0.58+(0.042*i), h_FR_EWK, Form("%.0f GeV threshold", jetet));
}
// Save
//----------------------------------------------------------------------------
if (savepng) canvas1->SaveAs(Form("png/%s_FR_%s_combined.png", flavour.Data(), variable.Data()));
}
//------------------------------------------------------------------------------
// DrawFR
//------------------------------------------------------------------------------
void DrawFR(TString flavour,
TString variable,
TString xtitle,
Float_t lepscale,
Float_t jetet)
{
TString suffix = Form("%s_bin_%.0fGeV", variable.Data(), jetet);
// Read loose and tight histograms
//----------------------------------------------------------------------------
TH1D* h_loose_data = (TH1D*)dataFR ->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_loose_" + suffix);
TH1D* h_loose_zjets = (TH1D*)zjetsFR->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_loose_" + suffix);
TH1D* h_loose_wjets = (TH1D*)wjetsFR->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_loose_" + suffix);
TH1D* h_tight_data = (TH1D*)dataFR ->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_tight_" + suffix);
TH1D* h_tight_zjets = (TH1D*)zjetsFR->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_tight_" + suffix);
TH1D* h_tight_wjets = (TH1D*)wjetsFR->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_tight_" + suffix);
// Make EWK correction histograms
//----------------------------------------------------------------------------
TH1D* h_tight_correction = (TH1D*)h_tight_zjets->Clone("h_" + flavour + "_FR_" + variable);
TH1D* h_loose_correction = (TH1D*)h_loose_zjets->Clone("h_" + flavour + "_FR_" + variable);
TH1D* h_EWKrel_tight = (TH1D*)h_tight_data ->Clone("h_" + flavour + "_FR_" + variable);
TH1D* h_EWKrel_loose = (TH1D*)h_loose_data ->Clone("h_" + flavour + "_FR_" + variable);
h_tight_correction->Add(h_tight_wjets, 1);
h_loose_correction->Add(h_loose_wjets, 1);
h_EWKrel_tight->Divide(h_tight_correction, h_tight_data);
h_EWKrel_loose->Divide(h_loose_correction, h_loose_data);
// Prepare fake rate histograms
//----------------------------------------------------------------------------
TH1D* h_FR = (TH1D*)h_tight_data->Clone("h_" + flavour + "_FR_" + variable);
TH1D* h_FR_denominator = (TH1D*)h_loose_data->Clone("h_" + flavour + "_FR_denominator_" + variable);
TH1D* h_FR_EWK = (TH1D*)h_tight_data->Clone("h_" + flavour + "_FR_EWK_" + variable);
TH1D* h_FR_EWK_denominator = (TH1D*)h_loose_data->Clone("h_" + flavour + "_FR_EWK_denominator_" + variable);
// Do the math
//----------------------------------------------------------------------------
h_FR->Divide(h_FR_denominator);
if (Zsubtraction) h_FR_EWK->Add(h_tight_zjets, lepscale);
if (Wsubtraction) h_FR_EWK->Add(h_tight_wjets, lepscale);
if (Zsubtraction) h_FR_EWK_denominator->Add(h_loose_zjets, lepscale);
if (Wsubtraction) h_FR_EWK_denominator->Add(h_loose_wjets, lepscale);
h_FR_EWK->Divide(h_FR_EWK_denominator);
// Draw fake rate
//----------------------------------------------------------------------------
TString title1 = Form("%s fake rate when jet p_{T} > %.0f GeV", flavour.Data(), jetet);
TCanvas* canvas1 = new TCanvas(title1 + " " + variable, title1 + " " + variable);
canvas1->SetGridx(setgrid);
canvas1->SetGridy(setgrid);
Cosmetics(h_FR, "ep", xtitle, title1, kBlack);
Cosmetics(h_FR_EWK, "ep,same", xtitle, title1, kRed+1);
DrawLatex(42, 0.940, 0.945, 0.045, 31, "41.5 fb^{-1} (13 TeV)");
DrawLegend(0.22, 0.845, h_FR, "Without EWK correction");
DrawLegend(0.22, 0.800, h_FR_EWK, "With EWK correction");
// Draw tight EWK correction
//----------------------------------------------------------------------------
TString title2 = Form("tight %s EWK correction when jet p_{T} > %.0f GeV", flavour.Data(), jetet);
TCanvas* canvas2 = new TCanvas(title2 + " " + variable, title2 + " " + variable);
canvas2->SetGridx(setgrid);
canvas2->SetGridy(setgrid);
Cosmetics(h_EWKrel_tight, "ep", xtitle, title2, kBlack);
DrawLatex(42, 0.940, 0.945, 0.045, 31, "41.5 fb^{-1} (13 TeV)");
// Draw loose EWK correction
//----------------------------------------------------------------------------
TString title3 = Form("loose %s EWK correction when jet p_{T} > %.0f GeV", flavour.Data(), jetet);
TCanvas* canvas3 = new TCanvas(title3 + " " + variable, title3 + " " + variable);
canvas3->SetGridx(setgrid);
canvas3->SetGridy(setgrid);
Cosmetics(h_EWKrel_loose, "ep", xtitle, title3, kBlack);
DrawLatex(42, 0.940, 0.945, 0.045, 31, "41.5 fb^{-1} (13 TeV)");
// Save
//----------------------------------------------------------------------------
if (savepng) canvas1->SaveAs(Form("png/%s_FR_%s_%.0fGeV.png", flavour.Data(), variable.Data(), jetet));
if (savepng) canvas2->SaveAs(Form("png/%s_EWKrel_tight_%s_%.0fGeV.png", flavour.Data(), variable.Data(), jetet));
if (savepng) canvas3->SaveAs(Form("png/%s_EWKrel_loose_%s_%.0fGeV.png", flavour.Data(), variable.Data(), jetet));
}
//------------------------------------------------------------------------------
// DrawPR
//------------------------------------------------------------------------------
void DrawPR(TString flavour,
TString variable,
TString xtitle)
{
TH1D* h_loose_zjets = (TH1D*)zjetsPR -> Get("PR/00/h_" + flavour + "_loose_" + variable + "_PR");
TH1D* h_tight_zjets = (TH1D*)zjetsPR -> Get("PR/00/h_" + flavour + "_tight_" + variable + "_PR");
TH1D* h_PR = (TH1D*)h_tight_zjets->Clone("h_" + flavour + "_PR_" + variable);
h_PR->Divide(h_tight_zjets, h_loose_zjets);
// Draw
//----------------------------------------------------------------------------
TString title = flavour + " prompt rate";
TCanvas* canvas = new TCanvas(title + " " + variable, title + " " + variable);
canvas->SetGridx(setgrid);
canvas->SetGridy(setgrid);
Cosmetics(h_PR, "ep", xtitle, title, kBlack);
// Save
//----------------------------------------------------------------------------
if (savepng) canvas->SaveAs(Form("png/%s_PR_%s.png", flavour.Data(), variable.Data()));
}
//------------------------------------------------------------------------------
// WriteFR
//------------------------------------------------------------------------------
void WriteFR(TString flavour,
Float_t lepscale,
Float_t jetet)
{
TString suffix = Form("pt_eta_bin_%.0fGeV", jetet);
// Read loose and tight histograms
//----------------------------------------------------------------------------
TH2D* h_loose_data = (TH2D*)dataFR ->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_loose_" + suffix);
TH2D* h_loose_zjets = (TH2D*)zjetsFR->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_loose_" + suffix);
TH2D* h_loose_wjets = (TH2D*)wjetsFR->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_loose_" + suffix);
TH2D* h_tight_data = (TH2D*)dataFR ->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_tight_" + suffix);
TH2D* h_tight_zjets = (TH2D*)zjetsFR->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_tight_" + suffix);
TH2D* h_tight_wjets = (TH2D*)wjetsFR->Get(btagDirectory+"FR/00_QCD/h_" + flavour + "_tight_" + suffix);
// Prepare fake rate histograms
//----------------------------------------------------------------------------
TH2D* h_FR = (TH2D*)h_tight_data->Clone("h_" + flavour + "_FR");
TH2D* h_FR_numerator = (TH2D*)h_tight_data->Clone("h_" + flavour + "_FR_numerator");
TH2D* h_FR_denominator = (TH2D*)h_loose_data->Clone("h_" + flavour + "_FR_denominator");
TH2D* h_FR_EWK = (TH2D*)h_tight_data->Clone("h_" + flavour + "_FR_EWK");
TH2D* h_FR_EWK_numerator = (TH2D*)h_tight_data->Clone("h_" + flavour + "_FR_EWK_numerator");
TH2D* h_FR_EWK_denominator = (TH2D*)h_loose_data->Clone("h_" + flavour + "_FR_EWK_denominator");
// Do the math
//----------------------------------------------------------------------------
h_FR->Divide(h_FR_numerator, h_FR_denominator);
if (Zsubtraction) h_FR_EWK_numerator->Add(h_tight_zjets, lepscale);
if (Wsubtraction) h_FR_EWK_numerator->Add(h_tight_wjets, lepscale);
if (Zsubtraction) h_FR_EWK_denominator->Add(h_loose_zjets, lepscale);
if (Wsubtraction) h_FR_EWK_denominator->Add(h_loose_wjets, lepscale);
h_FR_EWK->Divide(h_FR_EWK_numerator, h_FR_EWK_denominator);
// Write
//----------------------------------------------------------------------------
TFile *file = new TFile(Form("%s/%sFR_jet%0.f.root",
outputdir.Data(),
flavour.Data(),
jetet),
"recreate");
h_FR ->Write("FR_pT_eta");
h_FR_numerator ->Write("FR_pT_eta_numerator");
h_FR_denominator->Write("FR_pT_eta_denominator");
h_FR_EWK ->Write("FR_pT_eta_EWKcorr");
h_FR_EWK_numerator ->Write("FR_pT_eta_EWKcorr_numerator");
h_FR_EWK_denominator->Write("FR_pT_eta_EWKcorr_denominator");
file->Close();
}
//------------------------------------------------------------------------------
// WritePR
//------------------------------------------------------------------------------
void WritePR(TString flavour)
{
TH2D* h_loose_zjets = (TH2D*)zjetsPR->Get("PR/00/h_" + flavour + "_loose_pt_eta_PR");
TH2D* h_tight_zjets = (TH2D*)zjetsPR->Get("PR/00/h_" + flavour + "_tight_pt_eta_PR");
TH2D* h_PR = (TH2D*)h_tight_zjets->Clone("h_" + flavour + "_signal_pt_eta_bin");
h_PR->Divide(h_tight_zjets, h_loose_zjets);
// Write
//----------------------------------------------------------------------------
TFile* file = new TFile(Form("%s/%sPR.root",
outputdir.Data(),
flavour.Data()),
"recreate");
h_PR->Write();
file->Close();
}
//------------------------------------------------------------------------------
// DrawLatex
//------------------------------------------------------------------------------
void DrawLatex(Font_t tfont,
Float_t x,
Float_t y,
Float_t tsize,
Short_t align,
const char* text,
Bool_t setndc)
{
TLatex* tl = new TLatex(x, y, text);
tl->SetNDC (setndc);
tl->SetTextAlign( align);
tl->SetTextFont ( tfont);
tl->SetTextSize ( tsize);
tl->Draw("same");
}
//------------------------------------------------------------------------------
// DrawLegend
//------------------------------------------------------------------------------
TLegend* DrawLegend(Float_t x1,
Float_t y1,
TH1* hist,
TString label,
TString option,
Float_t tsize,
Float_t xoffset,
Float_t yoffset)
{
TLegend* legend = new TLegend(x1,
y1,
x1 + xoffset,
y1 + yoffset);
legend->SetBorderSize( 0);
legend->SetFillColor ( 0);
legend->SetTextAlign ( 12);
legend->SetTextFont ( 42);
legend->SetTextSize (tsize);
TString final_label = Form(" %s", label.Data());
legend->AddEntry(hist, final_label.Data(), option.Data());
legend->Draw();
return legend;
}
//------------------------------------------------------------------------------
// Cosmetics
//------------------------------------------------------------------------------
void Cosmetics(TH1D* hist,
Option_t* option,
TString xtitle,
TString ytitle,
Color_t color)
{
hist->Draw(option);
hist->SetLineColor (color);
hist->SetLineWidth (2);
hist->SetMarkerColor(color);
hist->SetMarkerStyle(kFullCircle);
hist->SetTitle ("");
hist->SetXTitle (xtitle);
hist->SetYTitle (ytitle);
hist->SetAxisRange(0.0, 1.0, "Y");
hist->GetXaxis()->SetTitleOffset(1.5);
hist->GetYaxis()->SetTitleOffset(1.8);
}