[postgis-users] How detect an empty geometry in a Collection.
Andrea Peri
aperi2007 at gmail.com
Sun Dec 12 11:18:57 PST 2010
>I don't know how to detect if the first or the second element are "geometry
>empty".
Resolved.
I can use the
ST_IsEmpty(ST_GeometryN(geom, 1))
ST_IsEmpty(ST_GeometryN(geom, 2))
to test the first and the second element of geom-collection.
-
-----------------
Andrea Peri
. . . . . . . . .
qwerty àèìòù
-----------------
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/postgis-users/attachments/20101212/9234f766/attachment.html>
More information about the postgis-users
mailing list