%%
%% A DANTE-Edition example
%%
%% Example 23-06-81 on page 431.
%%
%% 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}
\begin{pspicture}(-7,-7)(10,12)
\psset[pst-solides3d]{viewpoint=20 5 10,Decran=30,lightsrc=20 10 5}
\psSolid[object=grille,base=-2 2 -2 2,linecolor=white](0,0,-2)
\defFunction{cone}(u,v){u v Cos mul}{u v Sin mul}{u}
\psSolid[object=surfaceparametree,base=-2 2 0 2 pi mul, inhue=0.8 0.2,hue=0.8 0.2,
function=cone,linewidth=0.01,ngrid=25 40]
\gridIIID[Zmin=-2,Zmax=2](-2,2)(-2,2)[3,0.5,1]
\end{pspicture}
\end{document}
