POV-Ray: Newsgroups: povray.general: rgb-->grayscale: Re: rgb-->grayscale

POV-Ray : Newsgroups : povray.general : rgb-->grayscale : Re: rgb-->grayscale		Server Time 11 Aug 2024 01:25:17 EDT (-0400)

From: TonyB
Date: 28 Sep 1999 23:04:30
Message: <37f181be@news.povray.org>

I'm also looking for a thread that I can't find: it was one where somebody
posted formulas for a conical pattern plus some other stuff.