> Bruno Cabasson scripsit::
> >
> > I have one concern with this result: the shadow of the shape on the ground
> > does not seem to be anti-aliased. What's up?
>
Le Forgeron <jgr### [at] freefr> wrote:
> Ponctual light do not produce soft-shadow. you would need an
> area_light for that kind of effect.

That doesn't explain the aliasing, though.  With proper anti-aliasing and no
area light, the shadow should have a sharp, but smooth edge.  (An area light
will almost certainly bypass the aliasing problem, but you will pay a lot
more than an hour 15.)

My first thought was too high an antialias_threshold value, but the green
part of the sphere has subtler tones than the shadow, yet it looks fine.

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