Thanks but not according to the doc I think?
1) Abstract superclass is mentioned in API, not point,
2) the SQL example uses circles
3) the blog link specifically uses polygons in it's discussion of OGC
coverage behaviour.
http://postgis.refractions.net/documentation/manual-1.5/ST_CoveredBy.html
I'm not disputing your explanation given the evidence, but suggest the
docs are entirely misleading for me figuring out if one polygon
geography is wholey inside another.
On 11/05/2010, at 11:48 PM, Paul Ramsey <pram...@opengeo.org> wrote:
Bad sentence construction in the error, perhaps? The restriction "only
polygon and point" means that one argument must be a polygon and one
must be a point. Both your arguments are polygons.
P.
On Tue, May 11, 2010 at 4:51 AM, Nicholas Bower <n...@petangent.net>
wrote:
I've read the 1.5 reference docs but can't figure out what is wrong
with
below. ST_CoveredBy(geography, geography) should work right?
select count(*) from t_swath_metadata where ST_CoveredBy(
ST_GeogFromText('SRID=4326;POLYGON((123.1773295292851
-16.07501950971949,
122.745660066063 -16.83965661151543,
124.1310486688905 -16.44978157737539,
123.1773295292851 -16.07501950971949))'),
swath_bounding);
ERROR: geography_covers: only POLYGON and POINT types are currently
supported
CONTEXT: SQL function "st_covers" statement 1
********** Error **********
ERROR: geography_covers: only POLYGON and POINT types are currently
supported
SQL state: XX000
Context: SQL function "st_covers" statement 1
db=> \d t_swath_metadata;
...
swath_bounding | geography(Polygon,4326) |
Indexes:
...
"t_swath_metadata_swath_bounding_key" gist (swath_bounding)
Thanks, Nick
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