On 4-1-2017 14:30, omniverse wrote:
> Version 3.7.
>
> Wondering if this might be a bug in media or something else.
>
> Posted picture showing two boxes with a boxed pattern for the media.
>
> http://news.povray.org/web.586ceedd76c376849c5d6c810%40news.povray.org
>
> The bright specks show conspicuously where the box surfaces intersect, but not
> all places. Picture is post-processed to combine them. Test scene given in
> message there.
>
> Another hollow box contains the scene and camera, no media itself, and that
> dramatically increases the visibility of the specks. They are there without it
> too.
>
> I couldn't find any way to prevent the specks by changing media parameters. Even
> tried version changes to 3.5 and 3.6, but not those actual programs.
>
>
>

The result will probably different from what you intent to do, but how 
about merging the boxes? In your example it is a kind of union{} and 
there may be the problem. merge{} might be a solution.

-- 
Thomas

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