[postgis-users] Polygons enclosing points

[Rodrigo Martín LÓPEZ GREGORIO]

Hi Broun

I'm not sure if this is what you want but you can try with:

select ConvexHull(Collect(the_geom)) from tablename;

I hope it works for you.

Rodrigo

On 7/5/07, Broun Uganda <tekuganda at hotmail.com> wrote:
>
>
>  Dear all
> I have many points in a map layer which i want to surround with a polygon.
> Is there a way to automatically create optimum polygons that each enclose
> only one point and snap at their vertices?
> Thank you
>
>
> Broun Uganda
>
>
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