%% 
%%  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{352.81416pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{pstricks,multido}
\def\kreisFuellung#1{%
  \psset{unit=#1}
  \begin{pspicture}(-1,-1)(1,1)
    \multido{\nHue=0.01+0.01}{100}{%
      \pscircle[linewidth=0.01,linecolor={[hsb]{\nHue,1,1}}]{\nHue}%
    }
  \end{pspicture}
}

\StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-2.5,-2.5)(2.5,2.5)
\psset{unit=2.5}%
\multido{\nHue=0.01+0.01}{100}{%
  \pscircle[linewidth=0.01,linecolor={[hsb]{\nHue,1,1}}]{\nHue}%
}
\end{pspicture}
\hspace{1em}
\begin{pspicture}(-2.5,-2.5)(2.5,2.5)
\psclip{\psframe(-2,-2)(2,2)}
    \rput(0,0){\kreisFuellung{2.5}}
\endpsclip
\end{pspicture}
\end{document}