void stack()
{
//Data histograms
//TFile *f1 = new TFile("results_data.root","READ");
//TH1F *h1 = (TH1F*)f1->Get("h14test");
//MC Histogram
//TFile *f2 = new TFile("results_2tw.root","READ");
//TH1F *h2 = (TH1F*)f2->Get("h14test");
//THStack stack("stack","final");
//stack.Add(&h1);
//stack.Add(&h2);
//h1->SetfillColor(kBlue);
//h2->SetfillColor(kRed);
//stack->Draw();
TCanvas *c0 = new TCanvas("c0","",0,0,500,600);
c0->Divide(1,2);
TCanvas *c1 = new TCanvas("c1","",0,0,500,600);
THStack *hs = new THStack("hs","Number of Jets");
TFile *f1 = new TFile("results_data.root");
TFile *f2 = new TFile("results_ttjets2.root");
//TFile *f1 = new TFile("results_data.root");
f1->cd();
TH1F *h1 = (TH1F*)f1->Get("h14test");
//h1->SetDirectory(0);
//h1->Print();
//h1->SetFillColor(kBlue);
c0->cd(1);
h1->SetMarkerStyle(2);
h1->SetMarkerSize(1.2);
h1->Draw("P");
hs->Add(h1);
//h1->Draw();
//TFile *f2 = new TFile("results_tt.root");
f2->cd();
TH1F *h2 = (TH1F*)f2->Get("h14test");
//h2->SetDirectory(0);
//h2->Print();
h2->SetFillColor(kRed);
h2->SetLineColor(kRed);
//h2->Scale(500);
c0->cd(2);
h2->Draw();
hs->Add(h2);
//h2->Draw("SAME");
//h2.SetFillColor(kRed);
c1->cd();
hs->Print();
hs->Draw();
}
