%%
%%  Ein Beispiel der DANTE-Edition
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%%  7. Auflage
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%%  Beispiel 21-02-15 auf Seite 351.
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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,pst-slpe}
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}(5,3.5)
\psframe*[linecolor=black!40](-.5,.5)(6,3)
\psframe[fillstyle=slope,fading,
   slopebegin=white](5,1.5)
\definecolor{slopebegin}{rgb}{0,1,1}
\psframe[fading,
  fillstyle=slopes](0,2)(5,3.5)
\end{pspicture}
\end{document}