<div>There is a simpler example here: (The protractor)</div>
<div><a href="http://tug.org/PSTricks/main.cgi?file=Examples/polar">http://tug.org/PSTricks/main.cgi?file=Examples/polar</a></div>
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<div>I think if you modify as below.  You should produce a nice grid.  I didn&#39;t test this if there are errors look to the example.</div>
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<div>Buddy</div>
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<div>\documentclass{article}</div>
<div>\usepackage{pstricks,multido}<br>\SpecialCoor<br>\begin{document}<br>\begin{pspicture}(-6,-6)(6,6)<br>    \pscircle{5}<br>    \multido{\i=10+10}{36}{%</div>
<div>        \rput{\i}(5.2;\i){\i}<br>        \psline(0;\i)(5;\i)}<br>\end{pspicture}<br>\end{document}<br></div>