On Jun 8, 2012, at 4:01 AM, Gregory Weston <gwes...@mac.com> wrote:

> 
> Strictly what I need is the set of individual line segments that define the 
> perimeter, but I figured that it anyone had a solution to the problem in 
> already it was likely to be giving back a path instead of just a list of 
> points and I could parse the path.

Perhaps I should ask more directly: what is your end goal? What are you going 
to do with these line segments once you have them? Are there alternative 
approaches to your goal that don't rely on doing a shape union?

--Kyle Sluder
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