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"Hadmut Danisch" <had### [at] danisch de> wrote in message
news:473776ca@news.povray.org...
> Mike Williams wrote:
>
>> texture {
>> pigment {radial frequency 30
>> colour_map{[0.1 rgb 1][0.1 rgbt <0,0,0,1>]}
>> }
>
>
> Just a little detail problem:
>
> while this does what I am looking for in principle, there's one
> problem: The line is not of constant width. The closer it gets to the
> poles, the smaller it gets, like a slice of cake. Becomes highly visible
> when the frequence gets lower, e.g. frequency 4
>
> regards
> Hadmut
That's the problem that the one on
http://lib.povray.org/searchcollection/index.php is designed to avoid
(search for 'GridLines').
Regards,
Chris B.
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