POV-Ray: Newsgroups: povray.general: SSLT and scaling: Re: SSLT and scaling

POV-Ray : Newsgroups : povray.general : SSLT and scaling : Re: SSLT and scaling		Server Time 29 Jul 2024 14:17:57 EDT (-0400)

From: clipka
Date: 17 Feb 2011 04:42:46
Message: <4d5ced96$1@news.povray.org>

Am 17.02.2011 00:25, schrieb Bruno Cabasson:
> What is the effect of scaling on subsurface values? Are they scaled accordingly
> in order to keep the material equivalent (IMO, a half sized wax object is still
> made of the same wax with same SSLT characteristics)?

Yes, if you will. (Actually, what's really going on is more like media: 
The effect depends on the absolute distances involved. So strictly 
speaking, in order to keep the material equivalent the values are /not/ 
scaled.)

> If so, what is the
> corresponding law? Related to volume?

No, related to distance.

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