%% 
%%  A DANTE-Edition example
%% 
%%  Example 30-04-21 on page 617.
%% 
%%  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{filecontents}
\begin{filecontents}{matrix.dat}
/dotmatrix [ %
0  1  1  0  0  0  0  1  1  1
0  1  1  0  1  1  1  0  1  0
1  0  1  1  0  0  0  1  1  0
0  0  1  0  0  0  0  0  1  1
1  1  1  1  1  0  1  0  0  1
0  0  1  1  0  1  0  1  1  1
1  0  0  0  1  1  0  0  0  1
0  0  0  1  1  1  0  1  1  0
1  1  0  0  0  0  1  0  0  1
1  0  1  0  0  1  1  1  0  0
] def
\end{filecontents}

\usepackage{pstricks-add}

\begin{document}
\psset{unit=0.5}
\begin{pspicture}(-0.5,-0.75)(11,11)
  \psaxes{->}(11,11)
  \psMatrixPlot[dotsize=5.5mm,
    dotstyle=square*,linecolor=magenta]%
    {10}{10}{matrix.dat}
  \psMatrixPlot[dotsize=2.5mm,dotstyle=o,
    ChangeOrder]{10}{10}{matrix.dat}
\end{pspicture}
\end{document}
