POV-Ray : Newsgroups : povray.binaries.images : Rotation matrices Server Time
30 Jul 2021 23:46:42 EDT (-0400)
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From: Tor Olav Kristensen
Subject: Re: Rotation matrices
Date: 7 Apr 2021 00:50:00
Message: <web.606d38e0565eea128e52cc8789db30a9@news.povray.org>
"Bald Eagle" <cre### [at] netscapenet> wrote:
> "Tor Olav Kristensen" <tor### [at] TOBEREMOVEDgmailcom> wrote:
> ...  I would also like to figure out if there's a nice
> degrees-to-fractions-of-pi algorithm out there, and I could implement that.
> I'll probably just hard-code an array of text objects.

You can divide the angle by 180 and convert the resulting decimal number to a
fraction. Then you can use David Eppstein's "find rational approximation to
given real number" code as suggested in the first answer here:


> Do you watch 3blue1brown's channel?   It's - peaceful, and elegant, and
> mesmerizing.  It's one of the best things to happen to math in a long while.
> :)

Yes, I've seen some of his videos. Very good =)
I'm looking forward to the rest of them.

Tor Olav

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