%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  7. Auflage
%% 
%%  Beispiel 28-02-22 auf Seite 617.
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%%  Copyright (C) 2016 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
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%% 
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{169.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pst-eucl}
%StopShownPreambleCommands
\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}