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I am currently rendering a larger version of the glass ball I posted some
days ago (35% done in 1d 16h 30m).
I think there must be something wrong with the dispersion code because I get
strange spots in the image. In the smaller version I just thought it was
artifacts from using to few despersion samples, but now I am using more
samples and the spots are still there.
The attached image (a detail from the large image) shows the problem.
I am using despersion 1.05, 40 samples, ior 1.5 and finish F_Glass5 (from
glass.inc).
I use the official povray 3.5 in windows xp.
--
Daniel Nilsson
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Attachments:
Download 'dispersionbug.jpg' (17 KB)
Preview of image 'dispersionbug.jpg'
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Looks like stray photons. Try increasing your photon count, or
decreasing photon spacing, or whatever.
--
Tim Cook
http://home.bellsouth.net/p/PWP-empyrean
-----BEGIN GEEK CODE BLOCK-----
Version: 3.12
GFA dpu- s: a?-- C++(++++) U P? L E--- W++(+++)>$
N++ o? K- w(+) O? M-(--) V? PS+(+++) PE(--) Y(--)
PGP-(--) t* 5++>+++++ X+ R* tv+ b++(+++) DI
D++(---) G(++) e*>++ h+ !r--- !y--
------END GEEK CODE BLOCK------
Post a reply to this message
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"Timothy R. Cook" <z993126bellsouth.net> wrote in message
news:3e7b3698@news.povray.org...
> Looks like stray photons. Try increasing your photon count, or
> decreasing photon spacing, or whatever.
I don't think so because I have "collect off" on the sphere so there should
be no photons at all there. Photons are only collected on the checkered
plane.
--
Daniel Nilsson
Post a reply to this message
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Daniel Nilsson wrote:
> I don't think so because I have "collect off" on the sphere so there should
> be no photons at all there. Photons are only collected on the checkered
> plane.
Actually, it looks like a reflection of an object which is collecting
the photons, or perhaps some caustic effect being reflected.
--
Tim Cook
http://home.bellsouth.net/p/PWP-empyrean
-----BEGIN GEEK CODE BLOCK-----
Version: 3.12
GFA dpu- s: a?-- C++(++++) U P? L E--- W++(+++)>$
N++ o? K- w(+) O? M-(--) V? PS+(+++) PE(--) Y(--)
PGP-(--) t* 5++>+++++ X+ R* tv+ b++(+++) DI
D++(---) G(++) e*>++ h+ !r--- !y--
------END GEEK CODE BLOCK------
Post a reply to this message
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Check the "Lucy in the sky with diamonds" thread of 3/14/2003 8:06 PM. Other
folks (including myself) have had the same kind of problem.....
Post a reply to this message
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"Apache" <apa### [at] yahoo com> wrote in message
news:3e7b8c8f$1@news.povray.org...
> Check the "Lucy in the sky with diamonds" thread of 3/14/2003 8:06 PM.
Other
> folks (including myself) have had the same kind of problem.....
Yes, that's the same problem. Thanks for the info.
Must be a bug in the compiler used to create the official release then...
I don't have VC++ so I can't compile the sources. Is there somewhere I can
get a VC++ compiled version so I can render my image without the bug?
--
Daniel Nilsson
Post a reply to this message
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