%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  7. Auflage
%% 
%%  Beispiel D-05-2 auf Seite 923.
%% 
%%  Copyright (C) 2010 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{193.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pst-grad,pst-3dplot,pstricks-add}
\makeatletter
\let\modulo\pst@mod
\makeatother
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-6,-2.25)(6,5)
  \pstThreeDCoor[xMin=-3,xMax=5,yMin=-1,yMax=5,zMin=-1,zMax=5,drawCoor=false]%
  \multido{\iA=0+30,\iB=30+30,\iC=1+1}{12}{%
    \modulo{\iC}{7}{\iCTemp}%
    \ifcase\iCTemp\psset{fillcolor=black,gradend=black}%
      \or\psset{fillcolor=red,gradend=red}%
      \or\psset{fillcolor=green,gradend=green}%
      \or\psset{fillcolor=blue,gradend=blue}%
      \or\psset{fillcolor=cyan,gradend=cyan}%
      \or\psset{fillcolor=magenta,gradend=magenta}%
      \or\psset{fillcolor=yellow,gradend=yellow}%
    \fi%
    \pstThreeDLine[SphericalCoor=true,%
%    fillstyle=solid,linestyle=none]%
       fillstyle=gradient,gradbegin=white,gradmidpoint=0]%
       (0,0,0)(1,\iA,60)(2,\iA,50)(3,\iA,40)(4,\iA,30)(5,\iA,20)(6,\iA,10)%
       (6,\iB,10)(5,\iB,20)(4,\iB,30)(3,\iB,40)(2,\iB,50)(1,\iB,60)(0,0,0)
  }%
  \pstThreeDLine[linecolor=black](0,0,0)(0,0,5)%
\end{pspicture}
\end{document}