[postgis-users] ST_Contains vs. ST_Within

[Paul Ramsey]

They in inverses.

ST_Contains(A,B) <=> ST_Within(B,A)

P.

On Thu, Sep 4, 2008 at 3:49 PM,  <cyw at dls.net> wrote:
> What are the difeerences between these two functions?
> Thanks.
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