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%% 
%%  A DANTE-Edition example
%% 
%%  Example 23-06-70 on page 419.
%% 
%%  Copyright (C) 2011 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[]{article}
\pagestyle{empty}
\setlength\textwidth{225.70511pt}
\setlength\parindent{0pt}

\usepackage{pst-solides3d}

\begin{document}
\psset{lightsrc=30 -10 10,algebraic,
  viewpoint=50 20 30 rtp2xyz,
  Decran=30}
\begin{pspicture}(-2,-2)(4,4)
\psSurface[ngrid=.2 .2,axesboxed,
  Zmin=-1,Zmax=1,linewidth=0.01,
  spotX=r,spotY=d,spotZ=l,hue=0 1]%
  (-5,-5)(5,5){ sin((x^2+y^2)/3) }
\end{pspicture}
\end{document}