check-mp.tex

% -*- encoding: utf-8 -*-
\documentclass[a4paper]{article}
\usepackage{luamplib}
%\usepackage{luatexko-mplib}

\begin{document}

\begin{mplibcode}
beginfig(1);

z0 = ( 0, 40); dotlabel.top("Solar noon", z0);
z1 = ( 0, 20); dotlabel.top("Mean noon",  z1);
z2 = (80, 40); dotlabel.top("Midi solaire",  z2);
z3 = (80, 20); dotlabel.top("Midi moyen",  z3);
z4 = (80,  0); dotlabel.top("J 90",  z4);
z5 = ( 0,  0); dotlabel.top("J+90",  z5);

endfig;
\end{mplibcode}

\end{document}