SHP file attribute query . . .
Steve Lime
steve.lime at DNR.STATE.MN.US
Tue Dec 27 10:06:57 PST 2005
There are 2 ways:
- use WMS/WFS to get service metadata or
- do a simple query (any query will do) and use the [items] tag in a template to get a comma delimited list of item names
Fastest query would be an index query. It is a bit of a hack but it works and the same template can be used for any layer.
I added a section to the DNR Test Suite to show how:
http://maps.dnr.state.mn.us/mapserver_demos/tests46/
Steve
>>> Bob Basques <bob.basques at CI.STPAUL.MN.US> 12/23/05 5:29 PM >>>
All,
Any ideas on how to query a SHP file for all of it's Attribute columns
through MapServer?
I'm wanting to set up a way to select which label to use so that the
user can pick which label from the attributes available. Do I need to
build a middle ware for this?
It seems like a lot of work to keep a MAPfile up to date with regard to
what the SHP has for attributes and a LABEL definition in the MAPfile.
Once I have a list of valid Column names I can pass the NAME in as a CGI
parameter, but how to get the list through MapServer?
Any ideas?
bobb
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