%% 
%%  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{190.324pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{pstricks-add}
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-2.5,-2.5)(2.5,2.5)
\psarc[variableLW,endLW=15pt,
  variableColor](0,0){2}{10}{300}
\psarc[variableLW,endLW=15pt,
  linecap=1,startWL=400,endWL=500,
  variableColor](0,0){1.25}{10}{300}
\end{pspicture}
\end{document}