Subject:
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RE: DAT voting page up
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Newsgroups:
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lugnet.cad.dev
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Date:
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Thu, 25 Feb 1999 09:28:14 GMT
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Viewed:
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951 times
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Steve Bliss wrote:
> > POV-Ray doesn't like coincident surfaces either.
>
> I wondered about that? Is it a problem if the surfaces are the same
> color?
No. I should have been more specific: If two surfaces coincide, the
viewing ray will due to small numerical inaccuracies sometimes hit the
one surface first and sometimes the other surface first. If the surfaces
are colored differently "bleeding" occurs. This effect can be seen in
http://www.netby.net/Nord/Mandelvej/Hassing/l3p_sw.html#readmore
> The O in the Octan logo is round on the outside, but oval'ed
> (ovoid?) on
> the inside. To make the red filled area, I've used two overlapped
> rings. The inner one is oval'ed, the outer is round, and they have a
> non-uniform area of overlap.
Clever idea!
/Lars
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Message has 1 Reply:
 | | Re: DAT voting page up
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| LDraw and LDLite have the same problem, but to a lesser extent. That's why it's so important to remove the blank-face on decorated elements. Steve (...) (26 years ago, 25-Feb-99, to lugnet.cad.dev)
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