Rarius <rar### [at] rariuscouk> wrote:
> It looks like something akin to a moire pattern to me. Can you post an
> original 1280x960 image showing this problem?
>
> Because the brick pattern is close to the resolution of the render (ie
> the mortar gaps are about 1 pixel across at 1280x960) the AA sampling is
> not good enough to correctly render the pattern. I suggest you look at
> the AA options in the manual section 2.1.2.8.4, especially the
> Antialias_Depth option.
>
> Rarius

That was the problem. Lowering the aa-threshold to +a0.0001 seems to have fixed
everything. Thanks for the suggestion!

Regards,
Dave Blandston

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