%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  7. Auflage
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%%  Beispiel 07-03-1 auf Seite 105.
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%%  Copyright (C) 2016 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
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\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{193.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pstricks,multido}
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-3,-3)(3,3)
\psset{unit=2}%
\multido{\rHue=0.01+0.01}{100}{%
  \pscircle[linewidth=0.01,
    linecolor={[hsb]{\rHue,1,1}}]{\rHue}}
\end{pspicture}
\end{document}