Mike the Elder wrote:
> Is there a reasonably simple way in POV-Ray to produce a Boolean value
> representing whether or no two objects intersect?

   Don't pay too much attention to the other answers because in the
generic case what you ask is just not possible (not even in theory,
at least not in a reasonable time with perfect accuracy).

   You could use a *really* slow method of sampling points inside the
bounding box of one of the objects and seeing if a point is inside
both objects, but this would be very slow and quite inaccurate (you
could, of course, increase accuracy by taking more samples, but there
would still be a margin of error and the amount of time required
probably grows by the power of 3).

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