On Wed, Jun 15, 2011 at 11:58 AM, Roy Stogner <[email protected]> wrote:
>
> Here's the problem: how do we get such a test to avoid false negatives
> on elements with curved (i.e. potentially bulging out of the bounding
> box) sides?  I've got the svn head using a bounding box test only on
> first-order elements, which should work (first-order hexes can have
> curved sides, but the curves never extend outside of the bounding
> box), and that's better than nothing, but I'd like a test (even an
> alternate less discriminating test) applicable to higher-order
> geometric elements.

If the side bulges out, is a mid-edge or mid-face node on that side
not guaranteed to be at the farthest-out point (and thus define the
new bounding box)?

-- 
John

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