Message-ID: <39B6DDB9048D0F4DAD42CB26AAFF0AFA64EBC0@usctmx1106.Merck.com>
Date: 2005-08-12T13:30:50Z
From: Liaw, Andy
Subject: Finding regions of overlap
Am I missing something? It seems quite easy to me:
Suppose the intervals are (l1, u1), (l2, u2), ..., (ln, un). The
intersection, if non-empty, would be (max(l1, ..., ln), min(u1, ..., un)),
and the union (min(l1, ..., ln), max(u1, ..., un)).
Andy
> From: Sean Davis
>
> I have a number of regions consisting of (start,end) pairs.
> I would like to
> find regions of overlap among various sets of these regions. In other
> words, I would like to find unions/intersections of arbitrary sets of
> regions. Does this smell of anything anyone has already done?
>
> Thanks,
> Sean
>
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