%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 5-6-8 on page 234.
%% 
%%  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{159.83385pt}
\StartShownPreambleCommands
\usepackage{pstricks,multido}
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}[showgrid=true](3,2)
  \psline[linewidth=0.01pt](0.5,2)
  \psline[linewidth=5pt,linecolor=red](2,2)
  \multido{\rA=0.0+0.25}{9}{%
      \psline[linewidth=\rA pt](3,\rA)}
\end{pspicture}
\end{document}