{ TCanvas *can = new TCanvas("can","Canvas", 1000, 800); TPad *padUp = new TPad("padUp", "", 0, 0.5, 1, 1.0); TPad *padDn = new TPad("padDn", "", 0, 0.0, 1, 0.5); padUp->Draw(); padDn->Draw(); TLatex *lat = new TLatex; lat->SetTextFont(43); padUp->cd(); for(int i = 0; i < 40; ++i) { lat->SetTextSize(i); lat->DrawLatexNDC(0.1+i/50., 0.5, "L"); } padDn->cd(); for(int i = 0; i < 40; ++i) { lat->SetTextSize(i); lat->DrawLatexNDC(0.1+i/50., 0.5, "L"); } can->SaveAs("output.svg"); }