On 4/26/21 6:34 AM, HKarsten wrote:
> Hi people,
> does anybody have an idea how to reduce or even eliminate these interference
> when rendering df3-files?
> 
> Holger
> 

My first guess would be that you've not included enough buffer voxels at 
zero values at the sides of the df3. There are issues with interpolation 
there. A second guess - with media perhaps not enough initial samples 
(sometimes the adaptive media 3 bit doesn't work properly).

While largely created for a set of proposed df3 changes/enhancements see 
the wiki:

https://wiki.povray.org/content/User:Wfpokorny/DensityFile

The wiki covers too a set of known issues with the density file pattern 
in POV-Ray v3.7 / v3.8.

Bill P.

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