%%
%% A DANTE-Edition example
%%
%% Example 07-01-24 on page 88.
%%
%% 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[]{article}
\pagestyle{empty}
\setlength\textwidth{177.70511pt}
\setlength\parindent{0pt}
\usepackage{pstricks}
\psset{unit=0.75}
\begin{document}
\begin{pspicture}[linewidth=1cm](4,4)
\psline[linecolor=red](0,0)(4,4)
\pscircle*[opacity=0.5](2,2){2}
\psline[linecolor=blue,
strokeopacity=0.6](0,4)(4,0)
\end{pspicture}
\end{document}
