%% 
%%  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{214.324pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{pst-solides3d}
\StopShownPreambleCommands
\begin{document}
\psset{lightsrc=30 30 25,
  viewpoint=50 40 30 rtp2xyz,Decran=30}
\begin{pspicture}(-6,-2)(7,4)
\psSurface[fillcolor=red!50,ngrid=25 25,
  intersectionplan={[0 0 1 -0.5]},
  intersectioncolor=(noir),grid,
  intersectionlinewidth=2,Zmin=-1,
  Zmax=1,intersectiontype=0,
  incolor=yellow,linewidth=0.01,
  axesboxed,hue=0 1,](-4,-4)(4,4)%
  { y dup mul x dup mul add 3 div
    RadtoDeg sin }
\end{pspicture}
\end{document}
