> Date: Mon, 21 Dec 2020 00:51:06 -0500 (EST)
> From: Aditya Mahajan <adit...@umich.edu>
>
> On Sun, 20 Dec 2020, Gavin wrote:
>
>> Hello,
>>
>> I’m drawing solar system diagrams using the pgfplots module, but the polar
>> library seem to be broken. It looks like it is calling something with a
>> \begin{axis}... command. Here is the error message for a short document,
>> included below.
>>
>>> tex error > tex error on line 18 in file
>>> /Users/Gavin/Documents/Computer/ConTeXt/Polar Plot
>>> Experiments/Untitled.tex: ! Undefined control sequence
>>>
>>> \pgfplots@environment@polaraxis@ [#1]->\begin
>>> {axis}[#1,data cs=polar,axis
>>> type=polar]
>>> l.18 \startpolaraxis[]
>>>
>>> 16 \startsection[title={Polar Plot}]
>>> 17 \starttikzpicture % tikz code
>>> 18 >> \startpolaraxis[]
>>> 19
>>> \addplot+[mark=none,domain=0:720,samples=600]{sin(4*x)};
>>> 20 \stoppolaraxis
>>> 21 \stoptikzpicture
>>> 22 \stopsection
>>>
>>> mtx-context | fatal error: return code: 256
>>
>> I’d love a fix or an idea for a work around.
>
> This is a bug in pgfplots macro pgfplotsdefineaxistype, which uses an
> explicit \begin{axis} ... \end{axis} instead of the more portable \axis ...
> \endaxis. Attached is a quick fix, but it has been quite a while since I
> looked at pgfplots code, so it may be better to post a bug-report on pgfplots
> mailing list for a proper fix.
>
> Aditya
>
> URL:
> <http://mailman.ntg.nl/pipermail/ntg-context/attachments/20201221/d7278aca/attachment.tex>
Aditya,
Thanks for the quick fix! I will post a bug report on the pgfplots mailing
list, including your helpful diagnosis of the problem.
Gavin
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