%%
%% A DANTE-Edition example
%%
%% Example 06-01-3 on page 71.
%%
%% 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{129.70511pt}
\setlength\parindent{0pt}
\usepackage{pstricks,multido}
\begin{document}
\begin{pspicture}[showgrid](3,3)
\multido{\nA=1+1,\rA=0.0+0.25}{12}{%
\psdot[dotsize=\nA pt,dotstyle=o](\rA,\rA)}
\psset{fillcolor=cyan}
\multido{\nA=1+1,\rA=0.0+0.25,\rB=3+-0.25}{12}{%
\psdot[dotsize=\nA pt \nA,dotstyle=o](\rA,\rB)}
\end{pspicture}
\end{document}
