%%
%%  A DANTE-Edition example
%%
%%  Example 29-02-22 on page 575.
%%
%%  Copyright (C) 2011 Herbert Voss
%%
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%%
%%  See http://www.latex-project.org/lppl.txt for details.
%%
%%
%% ====
% Show page(s) 1
%%
\documentclass[]{article}
\pagestyle{empty}
\setlength\textwidth{177.70511pt}
\setlength\parindent{0pt}

\usepackage{pst-eucl}

\begin{document}
\begin{pspicture}(-1.5,-1.5)(1.5,1.5)
 \psset{CodeFig=true,CodeFigColor=red,
   RightAngleType=german}
 \pstGeonode[PosAngle={-90,-90}]%
   (-1.5,0){A}(1.5,0){B}
 \pstLineAB[linewidth=1.5pt]{A}{B}
 \pstMediatorAB{A}{B}{M_A}{S_A}
 \pstMediatorAB{B}{A}{M_B}{S_B}
\end{pspicture}
\end{document}