Warp <war### [at] tagpovrayorg> wrote:
> Nathan Kopp <pov### [at] nkoppmailshellcom> wrote:
> > The bicubic_patch was notorious for always being double-illuminated before
> > this change was introduced.
>
>   I think that mesh was even more notorious for this.
>
>   There was a quite good reason, though: It elliminated this problem:
> http://tag.povray.org/povQandT/SmoothTriangleArtifact/index.html
>
>   When the implicit double-illumination was removed (in pov3.5, iirc),
> this problem immediately surfaced. :P
>
> --
>                                                           - Warp

Thanks for the link, I found the technical discussion illuminating. ;-)

-- 1Daedalus

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