%%
%% A DANTE-Edition example
%%
%% Example 05-03-7 on page 68.
%%
%% 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{201.70511pt}
\setlength\parindent{0pt}
\usepackage{pstricks}
\begin{document}
\begin{pspicture}[showgrid](3,3)
\psccurve*[linecolor=cyan]%
(1.5,1.5)(2.5,1.5)(2.5,2.5)(1.5,2.5)
\psccurve[showpoints=true]%
(1.5,1.5)(2.5,1.5)(2.5,2.5)(1.5,2.5)
\psccurve[showpoints=true,linecolor=red,
linewidth=1.5pt](.5,0)(2.5,1)(2.5,0)(.5,1)
\end{pspicture}
\end{document}
