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%%
%% A DANTE-Edition example
%%
%% Example 23-06-58 on page 412.
%%
%% 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=Plain]
\psset{plan=Plain}
\psProjection[object=point,name=A,text=A,pos=ur](-2,1.25)
\psProjection[object=point,name=B,text=B,pos=ur](1,.75)
\psProjection[object=droite,linecolor=blue,args=0 0 1 .5,name=c]% 4 coordinates
\psProjection[object=droite,linecolor=red, args=A B,name=d]% two given points
\psProjection[object=droite,linecolor=blue,linestyle=dashed,definition=perp,args=c A]
\psProjection[object=droite,linecolor=red,linestyle=dashed,definition=axesymdroite,args=d c]
\end{pspicture}
\end{document}
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