%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  7. Auflage
%% 
%%  Beispiel 21-02-18 auf Seite 352.
%% 
%%  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{169.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pst-slpe}
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-0.5,-0.5)(5,0.5)
\psBall{black}{2ex}
\psBall[sloperadius=10pt](1,0){blue}{3ex}
\psBall(2.5,0){red}{4ex}
\psBall[slopebegin=red](4,0){green!50!blue!60}{5ex}
\end{pspicture}
\end{document}
