Seems like I *can* do the following per the docs at http://mapserver.org/cgi/runsub.html (more below) On Oct 27, 2011, at 8:56 AM, Puneet Kishor wrote:
> (I thought I had asked this question and received and answer, but can't find > it now... maybe I just dreamed it and never did ask. Here goes...) > > > I have a map with a layer with 100s of classes. I want to send a class name > via the URI, and get back a map of only that class. So, the following will > return the map with all the classes > > http://server/map > > and, the following will return the map with only foo and bar classes > > http://server/map?classes=foo,bar > > The above URI pattern is just a suggestion. How can I achieve the above? > > One thought comes is to split the layer with 100s of classes into 100s of > layers each with one class. > > In any case, what is the advised way forward? > > So, I tried the following CONNECTION "host=localhost port=5432 dbname=macromap user=postgres password=postgres" CONNECTIONTYPE POSTGIS PROCESSING "CLOSE_CONNECTION=DEFER" DATA "the_geom FROM table USING UNIQUE gid USING srid=4326" FILTER "class_name = '%class%'" METADATA 'class_name_validation_pattern' '^[A-Za-z]+$' END And, requested the map at http://server/cgi-bin/app?mode=map&layers=layer&class=Foo but got the following error -- select "interval_name",encode(ST_AsBinary(ST_Force_2D("the_geoms"),'NDR'),'hex') as geom, "gid" from table where the_geom && GeomFromText('POLYGON((-180.150250417362 -90,-180.150250417362 90,180.150250417362 90,180.150250417362 -90,-180.150250417362 -90))',4326) and (class_name = '%class%') So, %class% didn't get interpolated into the requested value. What am I doing wrong? -- Puneet Kishor_______________________________________________ mapserver-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapserver-users
