[Mapbender-users] GazetteerWFS nodes problem
Astrid Emde
astrid.emde at wheregroup.com
Mon Feb 8 02:50:21 EST 2010
Hello Edison,
On Fri, February 5, 2010 2:47 pm, Edison Fernando Bravo Chancay wrote:
> Hello list
>
>
> What is the maximum number of nodes that a gazetteer can do a search?
> I have more than 20,000 nodes in one polygon and no searching
20.000 nodes if far too much, as the resultGeometry is transfered into
the Client into a GeoJSON.
> and how can I change this parameter?
There is no Mapbender parameter which you can change.
But you could change the WFS access on your data:
If you have your data in a PostgreSQL database you can easily change the
query and do a search on the boundingbox of your polygon or on a
simplyfied polygon with less nodes.
CREATE VIEW query_mytable AS
SELECT gid, name, st_envelope(the_geom) as the geom FROM mytable;
CREATE VIEW query_mytable AS
SELECT gid, name, st_simplify(the_geom,100) as the geom FROM mytable;
I hope this information will help.
Best regards
Astrid
[1] http://postgis.org/documentation/manual-1.5/ST_Envelope.html
[2] http://postgis.org/documentation/manual-1.5/ST_Simplify.html
> Edison
>
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Mit freundlichen Grüßen
Astrid Emde
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