Christopher James Huff wrote:
> 
> In article <web.3dff7ff48a77e58da7778c0e0@news.povray.org>,
>  "Renderdog" <slo### [at] hiwaaynet> wrote:
> 
> > I wanted to use a hollow transparent sphere to give some curvature
> > to my leaf image map, and it works great except when the transparent
> > part of the leaf's sphere intersects a (non-transparent) surface
> > behind it. I get black pixels, like it's showing coincident surfaces,
> > though the sphere's surface is transparent at that point.
> 
> If it is coincident with or intersects the surface, sometimes it will
> get hit first and the transmitted ray will miss the other surface, so
> you see the interior of the second object through the transparent one.
> Since the interior is in shadow, it is dark.
> 
> The only way to avoid this in the intersecting surface case would be to
> change the way POV handles non-refracting transparency.

Or he may need to increase the max_trace_level in the global settings block
a bit.

-- 
Ken Tyler

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