%% 
%%  Ein Beispiel der DANTE-Edition
%% 
%% 
%%  Copyright (C) 2010 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[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{190.324pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{graphicx,pst-eucl}
\StopShownPreambleCommands
\begin{document}
\resizebox{\linewidth}{!}{%
\begin{pspicture}(-2,0)(13,9)% Dominique Rodriguez
  \pstGeonode(9,3){O}(3,6){O'}(-1,8){O''}
  \psset{PointSymbol=none, PointName=none}
  \pstCircleOA[Radius=\pstDistVal{3},fillstyle=solid,fillcolor=black!10]{O}{}
  \pstCircleOA[Radius=\pstDistVal{1},fillstyle=solid,fillcolor=black!15]{O'}{}
  \pstCircleOA[Radius=\pstDistVal{.5}]{O''}{}
  \pstInterLC[Radius=\pstDistVal{3}]{O}{O'}{O}{}{M}{toto}
  \pstInterLC[Radius=\pstDistVal{1}]{O}{O'}{O'}{}{M'}{toto}
  \pstRotation[RotAngle=30]{O}{M}[N]
  \pstRotation[RotAngle=30]{O'}{M'}[N']
  \pstInterLL[PointSymbol=default, PointName=\Omega]{O}{O'}{N}{N'}{Omega}
  \pstMiddleAB{O}{Omega}{I}
  \pstInterCC{I}{O}{O}{M}{A}{B}
  \psset{nodesepA=-1, nodesepB=-3, linecolor=blue, linewidth=1.3\pslinewidth}
  \pstLineAB[nodesep=-2]{A}{Omega}\pstLineAB[nodesep=-2]{B}{Omega}
  \pstRotation[RotAngle=-150]{O'}{M'}[N'']
  \pstInterLL[PointSymbol=default, PointName=\Omega']{O}{O'}{N}{N''}{Omega'}
  \pstMiddleAB{O}{Omega'}{J}
  \pstInterCC{J}{O}{O}{M}{A'}{B'}
  \psset{nodesepA=-1, nodesepB=-3, linecolor=red}
  \pstLineAB{A'}{Omega'}\pstLineAB{B'}{Omega'}
\end{pspicture}}
\end{document}