Re: Euler angle conventions ???

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Jim Helman (jimh++at++surreal)
Tue, 16 Nov 93 11:28:57 -0800

Yes, this is the pfSegIsectBox bug from 1.0. I was
under the impression it was fixed in 1.1 and may have
said so. But after looking more closely, I now see
the fix was inadvertantly backed out when 1.1 was built.

The bug will cause a decrease of precision in the test
against the bounding box of the pfGeoSet as the
segment direction gets very close to (0,1,0); dead
on, a divide by zero results. Ths risk is that you
will miss a valid intersection if the precision gets
bad enough.

rgds,

-jim helman

jimh++at++surreal.asd.sgi.com
415/390-1151

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