%% 
%%  Ein Beispiel der DANTE-Edition
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%%  7. Auflage
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%%  Beispiel 22-06-67 auf Seite 442.
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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{217.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pst-solides3d}
%StopShownPreambleCommands
\begin{document}
\psset{viewpoint=50 40 30 rtp2xyz,
  Decran=30,lightsrc=viewpoint}
\begin{pspicture}(-6,-2)(7,4)
\psSurface[ngrid=.25 .25,incolor=yellow,
  linewidth=0.01,axesboxed,algebraic,
  hue=0 1,Zmin=-1,Zmax=1](-4,-4)(4,4)%
    {sin((x^2+y^2)/3)}
\end{pspicture}
\end{document}