On 05/09/2025 00:31, William F Pokorny wrote:
> On 9/4/25 10:51, kurtz le pirate wrote:
>> Thanks Bill for your bezier_spline prism suggestion.
>> But it seems that there are also issues related to surface overlap, or 
>> the artifacts come only from the use of subsurface scattering ?
>> (still experimental, i know)
> 
> Thanks for posting your SSS result.
> 
> The far edge from the camera looks like artefacts I've seen the SSS 
> feature. My play with it (years ago) struggled where camera rays 
> traveled short distances within a shape.
> 
> The artefact in the lower right is new to me - a different look.
> 
> What version of POV-Ray are you using?
> 
> Did you see similar results with your merge{} of shapes?
> 
> I'd like to play with your scene (to the degree I can on my little 
> machine), if you're willing to post it.


With my merged shape, i have no artifact in the lower right.

My code is attached. Play wit it !

You can see differences with useWFPObject = true or false





-- 
kurtz le pirate
compagnie de la banquise

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