half Of
> Stephan Holl
> Sent: Thursday, July 10, 2008 8:06 AM
> To: postgis-users@postgis.refractions.net
> Subject: [postgis-users] Finding polygones with 'holes' inside
>
> Hi,
>
> I like to accomplish the task of finding polygons with holes inside
> (the table is a MULTIP
TECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Stephan Holl
Sent: Thursday, July 10, 2008 8:06 AM
To: postgis-users@postgis.refractions.net
Subject: [postgis-users] Finding polygones with 'holes' inside
Hi,
I like to accomplish the task of finding polygons with holes inside
(the table is a M
Hi,
I like to accomplish the task of finding polygons with holes inside
(the table is a MULTIPOLYGON).
I tried to use ST_nrings, but I am not sure it this always only finds
polygons with wholes inside or also islands, which should be also rings
by definition.
So a
SELECT gid, name FROM table W
