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%%
%% Ein Beispiel der DANTE-Edition
%%
%% 1. Auflage
%%
%% Beispiel 15-03-19 auf Seite 781.
%%
%% 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[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{142.324pt}
\setlength\parindent{0pt}
\usepackage[utf8]{inputenc}
\StartShownPreambleCommands
\usepackage{pst-3dplot}
\def\oA{\pstThreeDLine[linecolor=blue,linewidth=3pt,
arrows=c-> ](0,0,0)(1,60,70)}
\def\oB{\pstThreeDLine[linecolor=red,linewidth=3pt,
arrows=c->](0,0,0)(1,10,50)}
\def\oAB{\pstThreeDEllipse[beginAngle=58,
endAngle=90](0,0,0)(1,140,40)(1,10,50)}
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-4.8,-1.75)(4.8,3.75)
\psset{unit=4cm,drawCoor,beginAngle=90,endAngle=180,
linestyle=dotted}
\pstThreeDCoor[drawing,linewidth=1pt,linecolor=black,%
linestyle=solid,xMin=0,xMax=1.1,yMin=0,yMax=1.1,
zMin=0,zMax=1.1]
\pstThreeDEllipse(0,0,0)(-1,0,0)(0,1,0)
\pstThreeDEllipse(0,0,0)(-1,0,0)(0,0,1)
\pstThreeDEllipse[beginAngle=0,endAngle=90]%
(0,0,0)(0,0,1)(0,1,0)
\psset{SphericalCoor,linestyle=solid}
\pstThreeDDot[dotstyle=none](1,10,50)
\pstThreeDDot[dotstyle=none](1,60,70)
\pscustom[fillstyle=solid,fillcolor=black!20,
linestyle=none]{\oB\oAB\oA} \oA \oB \oAB
\pstThreeDPut[origin=lb](1.1,60,70){$\vec\Omega_1$}
\pstThreeDPut[origin=rb](1.2,10,50){$\vec\Omega_2$}
\pstThreeDPut[origin=lb](1,10,65){$\gamma_{12}$}
\end{pspicture}
\end{document}
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