%%
%% The LaTeX Graphics Companion, 2ed (first printing May 2007)
%%
%% Example 6-5-23 on page 400.
%%
%% Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss
%%
%% 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.
%%
\documentclass{ttctexa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{207.83385pt}
%
\makeatletter
\newcommand\xyPlain[1]{%
\ThreeDput[normal=0 0 1](0,0,0){% xy-plane
\psgrid(0,0)(#1,#1)%
\psline{->}(0,0)(0,#1)
\psline{->}(0,0)(#1,0)
\ifdim\psk@gridlabels pt>\z@
\uput[180]{0.2}(0,#1){$y$}%
\uput[-90]{0.2}(#1,0){$x$}%
\fi}}
\newcommand\xzPlain[1]{%
\ThreeDput[normal=0 -1 0](0,0,0){% xz-plane
\psgrid(0,0)(#1,#1)%
\psline{->}(0,0)(0,5)
\psline{->}(0,0)(#1,0)
\ifdim\psk@gridlabels pt>\z@
\uput[180]{0.2}(0,#1){$z$}%
\uput[-90]{0.2}(#1,0){$x$}%
\fi}}
\newcommand\yzPlain[1]{%
\ThreeDput[normal=1 0 0](0,0,0){% yz-plane
\psgrid(0,0)(#1,#1)%
\psline{->}(0,0)(0,#1)
\psline{->}(0,0)(#1,0)
\ifdim\psk@gridlabels pt>\z@
\uput[180]{0.2}(0,#1){$z$}%
\uput[-90]{0.2}(#1,0){$y$}%
\fi}}
\def\IIIDKOSystem{\@ifnextchar[{\IIIDKOSystem@i}{\IIIDKOSystem@i[]}}
\def\IIIDKOSystem@i[#1]#2{%
\addto@par{#1}%
\use@par%
\xyPlain{#2}\xzPlain{#2}\yzPlain{#2}}
\makeatother
\StartShownPreambleCommands
\usepackage{pstricks,pst-3d}
\StopShownPreambleCommands
\begin{document}
\newcommand\tBlack[2]{\psframe[style=#2](2,2)
\rput(1,1){\textcolor{#1}{\textbf{PSTricks}}}}
\newpsstyle{SolidYellow}{fillstyle=solid,fillcolor=yellow}
\newpsstyle{TransparencyRed}{fillstyle=vlines,hatchcolor=red,
hatchwidth=0.1\pslinewidth,
hatchsep=1\pslinewidth}
\newpsstyle{TransparencyBlue}{fillstyle=vlines,hatchcolor=.!25,
hatchwidth=0.1\pslinewidth,
hatchsep=1\pslinewidth}
\begin{pspicture}(-1.2,-1.75)(4.8,3.7)
\psset{subgriddiv=0,griddots=10,gridlabels=7pt}
\ThreeDput{\psgrid[subgriddiv=0](-2,0)(4,3)} % embedangle=0
\ThreeDput(-1,0,0){\tBlack{black}{SolidYellow}}
\ThreeDput(2,0,0){\tBlack{black}{SolidYellow}}
\ThreeDput[embedangle=50](-1,0,0){\tBlack{gray}{TransparencyRed}}
\ThreeDput[embedangle=50](2,0,0){\tBlack{gray}{TransparencyBlue}}
% the normal vectors
\ThreeDput[normal=0 1 0](-1,0,0)
{\psline[linewidth=0.1,linecolor=red](0,4)}
\ThreeDput[normal=0 1 0](2,0,0)
{\psline[linewidth=0.1,linecolor=blue](0,4)}
\end{pspicture}
\quad
\psset{viewpoint=1 1 100}
\begin{pspicture}(-2.5,-4.5)(2.8,1.7)
\ThreeDput{\psgrid[subgriddiv=0](-2,0)(4,3)} % embedangle=0
\ThreeDput(-1,0,0){\tBlack{black}{SolidYellow}}
\ThreeDput(2,0,0){\tBlack{black}{SolidYellow}}
\ThreeDput[embedangle=50](-1,0,0){\tBlack{gray}{TransparencyRed}}
\ThreeDput[embedangle=50](2,0,0){\tBlack{gray}{TransparencyBlue}}
% the normal vectors
\ThreeDput[normal=0 1 0](-1,0,0)
{\psline[linewidth=0.1,linecolor=red](0,4)}
\ThreeDput[normal=0 1 0](2,0,0)
{\psline[linewidth=0.1,linecolor=blue](0,4)}
\end{pspicture}
\end{document}
