In article <3a5c7ef2@news.povray.org>, Warp <war### [at] tagpovrayorg> 
wrote:

>   The question would better be "could this be avoided with povray?".
> 
>   Povray does this by design. Trying to avoid this would be the hard thing
> (I can't think of any way right now). Of course there's no reason to avoid
> it...

In the official version, textures affect both sides of each surface the 
same way, so glass panes will have that double-reflection effect 
(actually, many more than two reflections, depending on 
max_trace_level). MegaPOV allows you to override the texture of the 
"interior" side of the surface with the interior_texture feature. This 
feature also works with objects like bezier patches or triangles, which 
don't have an "interior" but clearly have two sides.

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

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