%% 
%%  A DANTE-Edition example
%% 
%%  Example 29-01-21 on page 562.
%% 
%%  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}(-2,-2)(2,2)%
  \pstGeonode(0,0){O}(2,0){A} \pstCircleOA{O}{A}
  \pstCurvAbsNode{O}{A}{M_1}{\pstDistVal{5}}
  \pstCurvAbsNode[CurvAbsNeg=true]%
    {O}{A}{M_2}{\pstDistAB{A}{M_1}}
  \pstLineAB[arrows=->]{A}{M_1}
  \pstLineAB[arrows=->]{A}{M_2}
\end{pspicture}
\end{document}
