[postgis-users] Corner coordinates from Geometry

[Paul Ramsey]

Well, the lower left bbox point is almost guaranteed to be, and that's
what he was asking for before :) If you want it guaranteed inside, you
can use ST_PointOnSurface(), but that takes more CPU time.

P

On Tue, Nov 24, 2009 at 9:25 AM, Maxime van Noppen <maxime at altribe.org> wrote:
> Paul Ramsey wrote:
>> Use ST_Centroid() then. It's just the mid-point of the bbox, so it's
>> fast to calculate.
>
> It might be outside the polygon though.
>
> --
> Maxime
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