I speak with absolutely no knowledge of the inner workings of meshes.
Subjectively though it looks like the result of an XOR (difference) 
operation rather than an OR (union).
That would subtract the overlap at the edges.
Are there wise POVers out there to put that to rest?
DLM


news:426a527d@news.povray.org...
> High!
>
> I finally managed to render a spherical mesh2 section from GeoTIFF
> elevation data... but then a strange artifact shows up: narrow gaps
> between most triangles! How can I get rid of this - do I have to smooth
> the triangles? When looking up smooth_triangles, I found that even the
> POV manual discourages programming them manually ("prohibitively
> difficult")...
>
> See you in Khyberspace!
>
> Yadgar
>
> Now playing: Saving my Heart (Yes)
>


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