clipka <ano### [at] anonymousorg> wrote:

> > I got an annoying "black pixel" problem, which was mentioned here several
> > times before.

> If it's POV-Ray 3.7, I'd ask you for more details and a sample scene
> because I'd currently have no ideas what's going on there.

I downloaded the source to binaries.scene-files
(http://news.povray.org/povray.binaries.scene-files/message/%3Cweb.56b113905217ab9dea14abf0%40news.povray.org%3E/#%3Cwe
b.56b113905217ab9dea14abf0%40news.povray.org%3E).

Black pixels are depending on radiosity and certain object/material
combinations.
Some scenes generate black pixels with higher probability - same is true for
several materials.

Black pixels don't disappear with higher max_trace levels or better radiosity
settings and no coincident surfaces are involved.

In one older post somebody mentioned minimum_reuse or adc_bailout settings as
possible cause, but I couldn't verify it.

It's an annoying problem and I'm happy you will look over it.

Of course I can send more scenes with black pixels...


Norbert

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