Dan Connelly wrote:
> 
> Differences of coplanar surfaces are not well defined.
> Due to the finite precision of floating point operations.
> You should always make sure the negative object overlaps
> the positive one.
> 
> This is a well-known feature of POV, and other renderers,
> as well.
> 
> Dan
> 

Hmm. That makes life more difficult. :)

So, you're saying that I just have to make sure it overlaps by a small
amount (.001 or so) to fix it. And that's what every does?
That is, in fact btw, how I "hacked" the problem last night after
spending a few frustrating hours tearing apart my house model looking
for the stray object I thought was causing the prob.

Thanks for the info.

You know, a scene directory containing examples of all the "features" of
pov-ray might be useful. If anyone ever makes one, I'll donate my
preceding scene. ;-)



--min

> --
> http://www.flash.net/~djconnel/

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