%% 
%%  A DANTE-Edition example
%% 
%%  Example 23-06-8 on page 395.
%% 
%%  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{375.57637pt}
\setlength\parindent{0pt}

\usepackage{pst-solides3d}

\begin{document}
\psset{viewpoint=20 10 40 rtp2xyz,lightsrc=viewpoint,Decran=28,ngrid=36 36,grid=false}
\begin{pspicture}(-2,-2)(2,2)\psSolid[object=sphere,r=1]\rput(0,0){2}\end{pspicture}
\begin{pspicture}(-2,-2)(2,2)\psSolid[object=sphere,r=1,lightintensity=1]\rput(0,0){1}
\end{pspicture}
\begin{pspicture}(-2,-2)(2,2)\psSolid[object=sphere,r=1,lightintensity=0.8]\rput(0,0){0.8}
\end{pspicture}
\end{document}
