3bf6805c@news.povray.org...
> I may be wrong, but isn't it the famous shadow line problem? IIRC Alan
> Holding found a workaround: use two copies of the same mesh: one with the
> no_shadow flag and the other one with no_image and no_reflection.

IIRC the shadow line problem consists in having a harsh shadow terminator on
an object where the transition should be smooth (happens when normals are
used). The no_shadow object looks better but doesn't project a shadow so the
no_image object provides the shadow.
I've just tried this on the black outline problem. Interestingly, the facet
problem goes away... and the outline in the unlit part is now white instead
of black !!!

... but it seems that double_illuminate fixes the problem.

G.



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