%% 
%%  The LaTeX Graphics Companion, 2ed (first printing May 2007)
%% 
%%  Example 5-14-2 on page 298.
%% 
%%  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,pst-node}
\SpecialCoor
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}[showgrid=true](3,3)
  \psset{dotscale=2,xunit=2,yunit=1.5} \psdot(2;45)
  \psdot[linecolor=cyan](! 2 45 cos mul 2 45 sin mul)
  \psset{dotstyle=triangle*}           \psdot(1.5;70)
  \psdot[linecolor=cyan](! 1.5 70 cos mul
                           1.5 70 sin mul)
  \pnode(0.5,0.25){A}\pnode(1.5,0.25){B}
  \psset{dotscale=4}
  \psdot[dotstyle=*,linecolor=blue](A)
  \psdot*[dotstyle=o](B)
\end{pspicture}
\end{document}