In article <slr### [at] fwicom>, ron### [at] povrayorg 
wrote:

> Not as easy as you might think.  The way refraction works is very 
> dependent on all faces of a closed object having the same interior.  
> Remove that property, and you get to rewrite huge parts of the 
> rendering engine.

I was actually thinking more of media, fade_color, etc...faces with 
different iors would work the same way it does now with a union of 
triangles, each with their own interiors.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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