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DoUnfolding.cxx
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#include "../software/RooUnfold/src/RooUnfoldResponse.h"
#include "../software/RooUnfold/src/RooUnfoldBayes.h"
#include "../software/RooUnfold/src/RooUnfoldSvd.h"
#include "../software/RooUnfold/src/RooUnfoldTUnfold.h"
#include <TF1.h>
#include <TH1.h>
#include <TH2.h>
#include <TH3.h>
#include <TFile.h>
#include <TCanvas.h>
#include <TStyle.h>
#include <TSystem.h>
#include <TLegend.h>
int DoUnfolding(TString inname = "Results/GroomUnfoldingTest.root") {
gStyle->SetOptStat(0);
gStyle->SetHistLineWidth(2);
TFile* f = new TFile( inname, "READ");
TString outbase = gSystem->BaseName( f->GetName() );
outbase.ReplaceAll( ".root", "");
outbase.Prepend("Plots/");
TH2D* TestTruth2D = (TH2D*) f->Get("TestTruth2D");
TH2D* TestMeas2D = (TH2D*) f->Get("TestMeas2D");
TH2D* TrainMeas2D = (TH2D*) f->Get("Meas2D");
TH2D* TrainTruth2D = (TH2D*) f->Get("Truth2D");
RooUnfoldResponse* LeadPtResponse = (RooUnfoldResponse*) f->Get("LeadPtResponse");
TH1D* PtTestMeas = (TH1D*) TestMeas2D->ProjectionX("PtTestMeas");
int nBayes1D=3;
RooUnfoldBayes PtBayesUnfold ( LeadPtResponse, PtTestMeas, nBayes1D);
TH1D* PtBayesUnfolded= (TH1D*) PtBayesUnfold.Hreco();
PtBayesUnfolded->SetName("PtBayesUnfolded");
// PtTestMeas->Draw();
// PtBayesUnfolded->Draw("same");
// return 0;
RooUnfoldResponse* LeadPtZgResponse2D = (RooUnfoldResponse*) f->Get("LeadPtZgResponse2D");
int nBayes2D=2;
RooUnfoldBayes BayesUnfold ( LeadPtZgResponse2D, TestMeas2D, nBayes2D);
BayesUnfold.SetVerbose(1);
TH2D* BayesUnfolded= (TH2D*) BayesUnfold.Hreco();
// new TCanvas;
// TestTruth2D->ProjectionY("truth", TestTruth2D->GetXaxis()->FindBin( 100+0.01), TestTruth2D->GetXaxis()->FindBin( 120-0.01))->Draw();
// BayesUnfolded->ProjectionY("unfold", BayesUnfolded->GetXaxis()->FindBin( 100+0.01), BayesUnfolded->GetXaxis()->FindBin( 120-0.01))->Draw("same");
// =========================== Draw Spectra ===============================
new TCanvas;
gPad->SetGridx(0); gPad->SetGridy(0);
gPad->SetLogy();
TLegend* leg = new TLegend( 0.55, 0.6, 0.89, 0.9, "Leading Jet p_{T}" );
leg->SetBorderSize(0);
leg->SetLineWidth(10);
leg->SetFillStyle(0);
leg->SetMargin(0.1);
TH1D* truthpt = (TH1D*) TestTruth2D->ProjectionX("truthpt");
truthpt->SetLineColor(kRed);
truthpt->SetTitle( ";p_{T};arb. units" );
truthpt->SetMinimum( 1E-5 );
truthpt->Draw();
leg->AddEntry("truthpt", "Truth");
TH1D* measpt = (TH1D*) TestMeas2D->ProjectionX("measpt");
measpt->SetLineColor(kBlue);
measpt->Draw("same");
leg->AddEntry("measpt", "Measured");
TH1D* unfoldpt = (TH1D*) BayesUnfolded->ProjectionX("unfoldpt");
unfoldpt->SetLineColor(kGreen+1);
unfoldpt->Draw("same");
leg->AddEntry("unfoldpt", "Unfolded");
TH1D* TrainTruthpt = (TH1D*) TrainTruth2D->ProjectionX("TrainTruthpt");
TrainTruthpt->SetLineColor(kOrange);
TrainTruthpt->Draw("same");
leg->AddEntry("TrainTruthpt", "Training Truth");
TH1D* TrainMeaspt = (TH1D*) TrainMeas2D->ProjectionX("TrainMeaspt");
TrainMeaspt->SetLineColor(kOrange);
TrainMeaspt->Draw("same");
leg->AddEntry("TrainMeaspt", "Training Meas.");
PtBayesUnfolded->SetLineColor(kBlack);
PtBayesUnfolded->Draw("same");
leg->AddEntry("PtBayesUnfolded", "1D Unfolded");
leg->Draw();
gPad->SaveAs( outbase + "_UnfoldedSpectra.png");
// =========================== Draw Zg ===============================
new TCanvas;
gPad->SetGridx(0); gPad->SetGridy(0);
leg = new TLegend( 0.55, 0.65, 0.89, 0.9, "Leading Jet z_{g} NORMALIZED" );
leg->SetBorderSize(0);
leg->SetLineWidth(10);
leg->SetFillStyle(0);
leg->SetMargin(0.1);
TH1D* truth0 = (TH1D*) TestTruth2D->ProjectionY("truth0", TestTruth2D->GetXaxis()->FindBin( 10+0.01), TestTruth2D->GetXaxis()->FindBin( 20-0.01));
truth0->SetLineColor(kGray+1);
truth0->SetTitle( ";z_{g};arb. units" );
truth0->Scale (1./truth0->Integral());
truth0->SetAxisRange(0, 0.18, "y");
truth0->Draw();
leg->AddEntry("truth0", "Truth, 10 < p_{T} < 10");
TH1D* unfold0 = (TH1D*) BayesUnfolded->ProjectionY("unfold0", BayesUnfolded->GetXaxis()->FindBin( 10+0.01), BayesUnfolded->GetXaxis()->FindBin( 20-0.01));
unfold0->SetLineColor(kBlack);
unfold0->DrawNormalized("same");
leg->AddEntry("unfold0", "Unfolded, 10 < p_{T} < 20");
TH1D* truth1 = (TH1D*) TestTruth2D->ProjectionY("truth1", TestTruth2D->GetXaxis()->FindBin( 20+0.01), TestTruth2D->GetXaxis()->FindBin( 30-0.01));
truth1->SetLineColor(kRed);
truth1->SetTitle( ";z_{g};arb. units" );
truth1->DrawNormalized("same");
leg->AddEntry("truth1", "Truth, 20 < p_{T} < 30");
TH1D* unfold1 = (TH1D*) BayesUnfolded->ProjectionY("unfold1", BayesUnfolded->GetXaxis()->FindBin( 20+0.01), BayesUnfolded->GetXaxis()->FindBin( 30-0.01));
unfold1->SetLineColor(kBlue);
unfold1->DrawNormalized("same");
leg->AddEntry("unfold1", "Unfolded, 20 < p_{T} < 30");
TH1D* truth2 = (TH1D*) TestTruth2D->ProjectionY("truth2", TestTruth2D->GetXaxis()->FindBin( 30+0.01), TestTruth2D->GetXaxis()->FindBin( 40-0.01));
truth2->SetLineColor(kMagenta);
truth2->DrawNormalized("same");
leg->AddEntry("truth2", "Truth, 30 < p_{T} < 40");
TH1D* unfold2 = (TH1D*) BayesUnfolded->ProjectionY("unfold2", BayesUnfolded->GetXaxis()->FindBin( 30+0.01), BayesUnfolded->GetXaxis()->FindBin( 40-0.01));
unfold2->SetLineColor(kGreen);
unfold2->DrawNormalized("same");
leg->AddEntry("unfold2", "Unfolded, 30 < p_{T} < 40");
leg->Draw();
gPad->SaveAs( outbase + "_UnfoldedZg.png");
// =========================== Draw unnormalized Zg ===============================
new TCanvas;
gPad->SetGridx(0); gPad->SetGridy(0);
leg = new TLegend( 0.55, 0.65, 0.89, 0.9, "Leading Jet z_{g}" );
leg->SetBorderSize(0);
leg->SetLineWidth(10);
leg->SetFillStyle(0);
leg->SetMargin(0.1);
truth1->Draw();
leg->AddEntry("truth1", "Truth, 20 < p_{T} < 30");
unfold1->Draw("same");
leg->AddEntry("unfold1", "Unfolded, 20 < p_{T} < 30");
truth2->Draw("same");
leg->AddEntry("truth2", "Truth, 30 < p_{T} < 40");
unfold2->Draw("same");
leg->AddEntry("unfold2", "Unfolded, 30 < p_{T} < 40");
leg->Draw();
gPad->SaveAs( outbase + "_VarUnfoldedZg.png");
// =========================== Draw Zg Ratio ===============================
new TCanvas;
gPad->SetGridx(0); gPad->SetGridy(0);
leg = new TLegend( 0.25, 0.75, 0.59, 0.9, "z_{g} Ratio Unfolded / Truth" );
leg->SetBorderSize(0);
leg->SetLineWidth(10);
leg->SetFillStyle(0);
leg->SetMargin(0.1);
TH1D* ratio1 = (TH1D*) unfold1->Clone("ratio1");
ratio1->Divide(truth1);
// ratio1->SetLineColor(kRed);
ratio1->SetTitle( ";z_{g};unfolded / truth" );
ratio1->SetAxisRange( 0.5, 1.6, "y" );
ratio1->Draw();
leg->AddEntry("ratio1", "20 < p_{T} < 30");
TH1D* ratio2 = (TH1D*) unfold2->Clone("ratio2");
ratio2->Divide(truth2);
// ratio2->SetLineColor(kBlue);
ratio2->SetAxisRange( 0.5, 1.6, "y" );
ratio2->Draw("same");
leg->AddEntry("ratio2", "30 < p_{T} < 40");
leg->Draw();
gPad->SaveAs( outbase + "_UnfoldedZgRatio.png");
// =========================== Draw Pt Ratio ===============================
new TCanvas;
gPad->SetGridx(0); gPad->SetGridy(0);
// gPad->SetLogy();
TLegend* leg = new TLegend( 0.55, 0.8, 0.89, 0.9, "Leading Jet p_{T}" );
leg->SetBorderSize(0);
leg->SetLineWidth(10);
leg->SetFillStyle(0);
leg->SetMargin(0.1);
TH1D* ratiopt = (TH1D*) unfoldpt->Clone("ratiopt");
ratiopt->Divide(truthpt);
ratiopt->SetLineColor(kRed);
ratiopt->SetTitle( ";p_{T}" );
ratiopt->SetAxisRange( 0.5, 1.5, "y" );
ratiopt->Draw();
leg->AddEntry("ratiopt", "2D Unfolded / Truth");
TH1D* ratiopt1d = (TH1D*) PtBayesUnfolded->Clone("ratiopt1d");
ratiopt1d->Divide(truthpt);
ratiopt1d->SetLineColor(kBlue);
ratiopt1d->SetTitle( ";p_{T}" );
ratiopt1d->SetAxisRange( 0.5, 1.5, "y" );
ratiopt1d->Draw("same");
leg->AddEntry("ratiopt1d", "1D Unfolded / Truth");
leg->Draw();
gPad->SaveAs( outbase + "_UnfoldedPtRatio.png");
// // DEBUG
// new TCanvas;
// gPad->SetGridx(0); gPad->SetGridy(0);
// gPad->SetLogy();
// truthpt->Draw();
// unfoldpt->Draw("same");
// PtBayesUnfolded->Draw("same");
return 0;
}