> > There seems to be a problem with release 3.5 candidate #6 and specular
> > transparent image-maps. The specular highlight is visible where the
> > image-map is transparent.
> This is a known feature that has existed for many versions of POV.  Think
of
> it like glass... you want the highlight to show up even though the glass
is
> clear.
> You'd have to use a material_map or a texture_map with an image_pattern to
> really make it work the way you want.
>
> -Nathan

So, I guess punch-through transparency
(http://www.btinternet.com/~mike.pye/transparency4.jpg) for image-maps is
not supported then? It's a pretty common technique in real-time rendering to
reduce polygon count, and for simplifying the modelling process.

Richard

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