%% The LaTeX Graphics Companion, 2ed (first printing May 2007)

%%
%% The LaTeX Graphics Companion, 2ed (first printing May 2007)
%%
%% Example 5-9-13 on page 259.
%%
%% Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss
%%
%% 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.
%%

\documentclass{ttctexagray}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{159.83385pt}
\StartShownPreambleCommands
\usepackage{multido,pstricks}
\StopShownPreambleCommands
\begin{document}
\newcommand\circularFill[1]{%
\psset{unit=#1}
\begin{pspicture}(-1,-1)(1,1)
\multido{\nHue=0.01+0.01}{100}{%
\definecolor{MyColor}{hsb}{\nHue,1,1}
\pscircle[linewidth=0.01,
linecolor=MyColor]{\nHue}}
\end{pspicture}}
\begin{pspicture}(5,4)
\begin{psclip}{\psframe(5,4)}
\rput(2.5,2){\circularFill{3.5}}
\end{psclip}
\end{pspicture}
\end{document}