[udig-devel] filtering contents of rendered layers

[Vince Darley]

At 17:41 29/10/2007, Jody Garnett wrote:
>For a while we had a style entry which you could set to be a query; 
>this query would be either:
>- sent as part of the WMS request for WMS layers
>- used to make sure they layer retrieved the GeoResource as a view

Not sure I understand this...

>One thing I am considering doing is backporting the CQL module from 
>GeoTools 2.5 back to a place where we can use it; CQL lets you use 
>an SQL like syntax to define a filter. You may want to build a full 
>on query builder however?
>
>You can see some examples of CQL in action here: 
>http://docs.codehaus.org/display/GEOTDOC/07+PostGIS+Lab

Wow - that looks great.  Something like CQL would be perfect for our 
needs.  It seems like a very powerful concept (which would be great 
for uDig, of course).

Vince.