From: Hugo
Subject: Re: Question on realistic lighting (using fade_power)
Date: 23 Jan 2002 06:57:32
Message: <3c4ea52c@news.povray.org>
Thanks for your explanation! This time I understood. I checked the POV docs
again to see what used to confuse me, and find *two* sections explaining
the same thing:
6.6.6 Attenuation
6.5.7.9 Light Fading
I only knew of 6.5.7.9 until now, which has a very confusing sound compared
to the other...
Hugo
From: Jaime Vives Piqueres
Subject: Re: Question on realistic lighting (using fade_power)
Date: 24 Jan 2002 04:34:32
Message: <3c4fd528@news.povray.org>
Kari Kivisalo wrote:
> my guess for the modifier would be 90^2/FO^2, until I find> out how lighting engineers calculate spotlights.
I've not still tried to understand this:
http://www.escape.ca/~williams/lxspot11.htm
but I think it contains interesting data.
--
Jaime Vives Piqueres
La Persistencia de la Ignorancia
http://www.ignorancia.org
