When I was writing that email I thought that maybe if the difference was producing a union then the union would produce a difference. Sure enough when I tested it thats what happened. I don't know how to explain it but I got what I needed.

Thanks,
Scott

On Nov 11, 2008, at 5:12 PM, taz wrote:


Scott,

Conduct a simple test for this but (if boolean difference will
evaluate) I believe the results should be different depending on which
BRep is attached to A and which is attached to B.

I'm not exactly sure what is happening in your case.

taz

On Nov 11, 6:04 pm, "Scott Crawford" <[EMAIL PROTECTED]> wrote:
How does the Boolean difference determine what to keep? I assumed that A was kept and B was substracted but I am getting mixed results with two different sets of Breps. In one instance it works like expected but in the
other instance they are unioned.  Any thoughts/suggestions?
Scott

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