%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 5-5-8 on page 228.
%% 
%%  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{171.06445pt}
\StartShownPreambleCommands
\usepackage{pstricks}
\StopShownPreambleCommands
\begin{document}
{\psset{unit=10}% local setting
\begin{pspicture}(0.2,0.2)
  \psgrid[gridlabels=0pt,subgriddiv=40]
  \uput[-90](0.1,0){0.1}
  \uput[-90](0.2,0){0.2}
\end{pspicture}}\hspace{2em}
\begin{pspicture}(2,2)
   \psgrid[subgridwidth=0.01pt]
\end{pspicture}
\end{document}