%%
%% A DANTE-Edition example
%%
%% Example 29-02-26 on page 577.
%%
%% 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}(-2,-2)(2,2)
\pstGeonode[PosAngle=150]{O}(0,1.5){A}
\pstCircleOA[linecolor=red]{O}{A}
\pstGeonode(0,2){B}(2,-2){C} \pstLineAB{B}{C}
\pstInterLC[PosAngle={10}]{B}{C}{O}{A}{D}{E}
\pspolygon[fillcolor=black!10,
fillstyle=solid](O)(D)(E)
\end{pspicture}
\end{document}
