[udig-devel] WMC versus OWS Context

Jody Garnett jgarnett at refractions.net
Wed Jul 12 03:56:51 PDT 2006


Bart van den Eijnden (OSGIS) wrote:
> Hi Jody,
>
> thanks for the feedback!
>
> Mapscript currently only support exporting WMC (1.0 and 1.1), so therefore
> my question.
>   
Sweet if there is another application around that wants to go to the 
trouble I am game to add WCS support. Although seriously the more time 
spent on OWS Context the better it will be ;-)

I had a couple of issues even with the OWS Context files:
- the "closed" nature of the file made adding new Services types into 
the context file impossible while remaining conformant
- the definition of "an entry" needs to be captured by several services, 
this is something that GeoTango does to great effect (rolling over to a 
service that is still up in an order of preference)

Do you know if WMC accounts for the "roll over" use case? After a few 
demo experiences (some public for the OGC) I am loath to fully recommend 
either specification....
> It looks like a pretty straightforward XSLT transformation though to
> transform WMC into OWS Context.
>
> Is there an online schema for OWS Context that you know of? One of the
> differences I noticed is that in the OWS Context document exported by uDIG
> no metadataURL is exported.
>   
I am hard pressed to answer, my OGC membership has elapsed :-( If you 
submit an issue with an attached sample file I will be more then happy 
to update the uDig code ;-)

Jody



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