[OSGeo-Standards] Re: [Mapbuilder-devel] OWSContext to support multiple services per layer

Cameron Shorter cameron.shorter at gmail.com
Mon Dec 10 15:11:53 EST 2007

Context working group:
Mapbuilder will start building its next release this Friday and we plan 
to support an OWS Context which has multiple services per layer, as per 
email below.

If anyone has any feedback or suggestions as to how we should do this 
differently, we would like to hear them ASAP.

Andreas Hocevar wrote:
> Hi,
> I know there was already some discussion about this on the list. What
> if we have the following in an OWS Context document:
>     <Layer queryable="1" hidden="0">
>       <Server service="OGC:WMS" version="1.0.0" title="OGC:WMS">
>         <OnlineResource xlink:type="simple" xlink:href="/geoserver/wms?"/>
>       </Server>
>       <Server service="OGC:WFS" version="1.0.0" title="OGC:WFS">
>         <OnlineResource xlink:type="simple" xlink:href="/geoserver/wfs?"/>
>       </Server>
>       ...
> This would give us a very convenient way to use the same layer for
> issuing WMS requests (GetMap, GetFeatureInfo) and WFS requests
> (GetFeature).
It would also allow our client to switch between WMS and WFS based on 
user selection or on zoom level or similar.
> I know that at least Cameron and Bart have already talked about this,
> and I would agree that this should be part of the OWSContext spec.
> <snip>
> If you think that it is a good idea to do this, I would like to add
> this to the trunk and the 1.5 release.
> Regards,
> Andreas.

Cameron Shorter
Geospatial Systems Architect
Tel: +61 (0)2 8570 5050
Mob: +61 (0)419 142 254

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