%% 
%%  A DANTE-Edition example
%% 
%%  Example 23-06-57 on page 411.
%% 
%%  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}
\begin{pspicture}(-3,-3)(4,3.5)
\psset{viewpoint=50 30 15,Decran=60,solidmemory}
\psSolid[object=plan,definition=equation,args={[1 0 0 0] 90},planmarks,name=Ebene]
\psset{plan=Ebene}
\psProjection[object=point,args=-2 0.75,name=A,text=A,pos=dl]
\psProjection[object=vecteur,args=1 1,name=U](1,0)
\psProjection[object=vecteur,definition=orthovecteur,linestyle=dashed,args=U,name=V](1,0)
\psProjection[object=vecteur,linecolor=blue,definition=normalize,args=U](A)
\psProjection[object=vecteur,definition=addv,args=U V](1,0)
\axesIIID(4,2,2)(5,4,3)
\end{pspicture}
\end{document}
