%% 
%%  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}
