%% 
%%  A DANTE-Edition example
%% 
%%  Example 29-01-18 on page 561.
%% 
%%  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{129.70511pt}
\setlength\parindent{0pt}

\usepackage{pst-eucl}

\begin{document}
\begin{pspicture}(10,4)
 \pstGeonode[PosAngle=-90](2,2){O}(10,1){M}   \pstMiddleAB{O}{M}{O'}
 \pstCircleOA[Radius=\pstDistVal{2}]{O}{}
 \pstInterCC[RadiusA=\pstDistVal{2},DiameterB=\pstDistAB{O}{M},linewidth=2pt,
     CodeFigA=true,CodeFigB=true,CodeFigAarc=false,PosAngleB=45]{O}{}{O'}{}{A}{B}
 \psset{linecolor=red,nodesep=-1}\pstLineAB{M}{A}\pstLineAB{M}{B}
\end{pspicture}
\end{document}
