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hi,
when rendering WFP's "op art" scene[*] from 2014, I get different images,
depending whether I use a "stock" POV-Ray (3.8, both alpha and beta.2), or WFP's
own (6e4ed6c2), see attached.
[*] <https://news.povray.org/53b35d39%40news.povray.org>
regards, jr.
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Attachments:
Download '140701_same_source.png' (2780 KB)
Preview of image '140701_same_source.png'
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"jr" <cre### [at] gmail com> wrote:
> when rendering WFP's "op art" scene[*] from 2014, I get different images,
> depending whether I use a "stock" POV-Ray (3.8, both alpha and beta.2), or WFP's
> own (6e4ed6c2), see attached.
version 3.7.0.8 works as intended, from 3.7.1-rc.1 the results/images differ.
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On 11/18/23 11:50, jr wrote:
> hi,
>
> when rendering WFP's "op art" scene[*] from 2014, I get different images,
> depending whether I use a "stock" POV-Ray (3.8, both alpha and beta.2), or WFP's
> own (6e4ed6c2), see attached.
>
> [*] <https://news.povray.org/53b35d39%40news.povray.org>
>
> regards, jr.
Hi.
v3.7 renders the bottom version too.
My vague recollection is that some time during v3.71->v3.8 development a
typo was introduced somewhere in the class set up for the spiral 1 & 2
patterns. We ended up with two spiral1(s) or two spiral2(s) instead of
one of each - or something similar to that. Likely in pattern.h or
pattern.cpp or both.
I thought I'd mentioned it somewhere out here in the news groups, but
looks like I did not add the fix to any of my commit messages - so maybe
not. I was just something I saw while working on other issues.
I'm fighting a northern hemisphere cold/flu/bug at the moment so I don't
feel like doing any more rooting around.
Bill P.
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hi,
William F Pokorny <ano### [at] anonymousorg> wrote:
> ...
> I'm fighting a northern hemisphere cold/flu/bug at the moment so I don't
> feel like doing any more rooting around.
perhaps I ought to have tried to render a "get well soon" card :-), best wishes.
regards, jr.
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On 2023-11-19 03:15 (-4), William F Pokorny wrote:
>
> My vague recollection is that some time during v3.71->v3.8 development a
> typo was introduced somewhere in the class set up for the spiral 1 & 2
> patterns. We ended up with two spiral1(s) or two spiral2(s) instead of
> one of each - or something similar to that. Likely in pattern.h or
> pattern.cpp or both.
This is a montage of renders of the scene with the POV-Ray versions that
I have, plus 3 versions of UberPOV along the bottom row. From these, it
appears that the bug was introduced prior to the release candidate phase
of 3.7.1, but after whichever version of 3.7.1 that the latest UberPOV
was based on.
Post a reply to this message
Attachments:
Download 'wfp-op_art.montage.jpg' (1465 KB)
Preview of image 'wfp-op_art.montage.jpg'
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Cousin Ricky <ric### [at] yahoocom> wrote:
>
> This is a montage of renders of the scene with the POV-Ray versions that
> I have, plus 3 versions of UberPOV along the bottom row. From these, it
> appears that the bug was introduced prior to the release candidate phase
> of 3.7.1, but after whichever version of 3.7.1 that the latest UberPOV
> was based on.
I like the black one best (hee hee). That one must be from POV-ray
version -001...
William, I hope you feel better soon! Having the flu is no fun.
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