"Kenneth" <kdw### [at] earthlinknet> wrote:
> The ENTIRE scene renders slower--every pixel. Moving the
> camera way back--so that the sphere_sweep is barely visible in the
> scene--doesn't change this; in fact, the scene renders even *slower*, which is
> completely counter-intuitive. Changing the tolerance value doesn't affect it.
> Putting all of this together, it *seems* as though there's a 'visible' part of
> the object (the one we see) and an infinitely large INVISIBLE part as well, that
> POV-Ray is also having to do render calculations on --the outside artifacts
> showing up as vestiges of this part.
That makes me wonder what the effects of a clipping or bounding shape would be.
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