%% 
%%  A DANTE-Edition example
%% 
%%  Example 29-02-23 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}(5,5)
  \pstTriangle[PointSymbol=none,
    linewidth=1pt](3,1){A}(0,4){B}(5,4.2){C}
  \psset{RightAngleType=german,PosAngle=90,
    linecolor=red,CodeFigColor=red,nodesep=-0.5}
  \pstMediatorAB{B}{A}{I}{M_I}
  \pstMediatorAB[PointSymbol=none,
    PointNameB=none]{A}{C}{J}{M_J}
  \pstMediatorAB[PosAngleA=45]{C}{B}{K}{M_K}
\end{pspicture}
\end{document}
