{
	TCanvas *can = new TCanvas("can","Canvas", 1000, 800);

	TPad *padUp = new TPad("padUp", "", 0, 0.45, 1, 1.0);
	TPad *padDn = new TPad("padDn", "", 0, 0.0, 1, 0.45);
	

	padUp->Draw();
	padDn->Draw();

	TLatex *lat = new TLatex;
	lat->SetTextFont(43);

	padUp->cd();
	{
        TLatex *lat = new TLatex;
        lat->SetTextFont(43);
        lat->SetNDC();
        for(int i = 0; i < 40; ++i) {
            lat->SetTextSize(i);
            lat->DrawLatexNDC(0.1+i/50., 0.9, "L");
            lat->SetTextSize(10);
            lat->DrawLatexNDC(0.10+i/50., 0.85, TString::Format("%d",i) );
        }
	}

	padDn->cd();
	{

        TLatex *lat = new TLatex;
        lat->SetTextFont(43);
        lat->SetNDC();
        for(int i = 0; i < 40; ++i) {
            lat->SetTextSize(i);
            lat->DrawLatexNDC(0.1+i/50., 0.08, "L");
            lat->SetTextSize(10);
            lat->DrawLatexNDC(0.10+i/50., 0.03, TString::Format("%d",i) );
        }

	}
	

	can->SaveAs("output.png");
	can->SaveAs("output.pdf");

}