On 03/23/2017 01:25 AM, dick balaska wrote:
> Am 2017-03-09 09:21, also sprach clipka:
>>
>> I suspect what you're seeing isn't actually the wood grain, but a moiree
>> pattern created by that wood grain and the pixel grid.
>
> https://xkcd.com/1814/
>
> It sure looks and acts like a moire.
>
> But, but, but, why is it only an issue when I change the angle of the
> camera on the object, and not the distance.  And why do I only see this
> with woods at any scale and not stones or other fractals at any scale.
>

Thought just hit me, if mostly angle dependent, using the aoi pattern to 
gradually change from a non-banded wood texture (average-wood-color) to 
the normal banded wood texture I suspect would help.

Rendering larger images - no AA - and shrinking to the final size 
perhaps a path too.

Bill P.

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