clipka <ano### [at] anonymousorg> wrote:
> Am 16.07.2012 21:21, schrieb Chaanakya:
> > I'm not sure exactly where this bug lies, but pinning it on difference seems to
> > be the most logical thing.  Here's some sample code:
>
> This is actually not really a bug, but merely a (currently) inevitable
> limitation: When tracing a ray from some surface, POV-Ray must make sure
> to ignore intersections with the very same or a coincident surface. To
> be robust against rounding errors, it does this by comparing the
> distance to the intersection with a certain minimum distance threshold.
>
> The threshold was changed during the development of 3.7 (I'm not sure
> why though).

What was the threshold in 3.6?  I think the threshold is on the order of 1e-6
now if I'm not mistaken...

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