Hi,
You haven't seen this http://mapserver.org/cgi/runsub.html#runsub or this
http://mapserver.org/mapfile/variable_sub.html#variable-sub, have you?
-Jukka Rahkonen-
________________________________________
Lähettäjä: mapserver-users-boun...@lists.osgeo.org
[mapserver-users-boun...@lists.osgeo.org] käyttäjän Puneet
Kishor [punk.k...@gmail.com] puolesta
Lähetetty: 27. syyskuuta 2011 5:29
Vastaanottaja: mapserver-users@lists.osgeo.org
Aihe: [mapserver-users] passing cgi query params to wms layers
I am using OpenLayers as the front-end, requesting a WMS layer from MapServer
that is getting data from Pg. My DATA statement is like so
DATA "the_geom FROM (SELECT gid, pc, the_geom FROM table) t USING
UNIQUE gid USING srid=4326"
FILTER "pc = 'na'"
The above works fine. However, I would like to send the value of "pc" from
OpenLayers (that is another problem that I am experiencing; I have asked on OL
list on how to send query params to WMS layers, but if any of you know the
solution, I would welcome that). In any case, I thought (naively), that I could
change my FILTER statement like so
FILTER "pc = '[pc]'"
I tried sending a WMS query directly to test the above like so
[http://server/cgi-bin/app?.. blah ..&pc=na] but no joy. Forcing a query error
showed me that MapServer was executing the following
select .. from (..) t where the_geom && GeomFromText(..) and (pc =
'[pc]')
How can I dynamically supply MapServer a filter value?
--
Puneet Kishor _______________________________________________
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