pgfpointpolar bug / documentation bug?

by Rmano   Last Updated April 16, 2019 07:23 AM

In the current pgmanual, at page 976, section 96.2, you can find this:

enter image description here

...and as you can see, even the example in the manual is showing that the command is not working. I checked that:

\documentclass[border=10pt]{standalone}
\usepackage{tikz}
\begin{document}
\begin{tikzpicture}
    \draw[help lines] (0,0) grid (3,2);
    \foreach \angle in {0,10,...,90}
    {\pgfpathcircle{\pgfpointpolar{\angle}{1cm and 2cm}}{2pt}}
    \pgfusepath{fill}
\end{tikzpicture}
\end{document}

do indeed work:

enter image description here

Can I safely use the and syntax in my code? I suppose this is a bug in the manual, maybe remnant of an old way of expressing elliptical axis; I think that the ...and... syntax is the modern one. Am I correct?

Tags : tikz-pgf


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