[auscope-geosciml] Another WFS gap

Boisvert, Eric Eric.Boisvert at RNCan-NRCan.gc.ca
Thu Sep 9 09:32:44 EDT 2010


>I personally haven't seen any clients yet which actually help to build a query from analysing a Schema. I would be really interested to see one if you have one, or are you thinking more of possible future developments?

I just stumbled on this (thanks to a collegue)

http://www.informaworld.com/smpp/content~content=a919589652

Looks like some people are working on a Feature type registry 

I just had a quick look and they don't cover the problem of vocabulary binding explicitly, but all the mechanic is there.

Eric


-----Message d'origine-----
De : auscope-geosciml-bounces at lists.arcs.org.au [mailto:auscope-geosciml-bounces at lists.arcs.org.au] De la part de Sen, Marcus A
Envoyé : 9 septembre 2010 03:52
À : auscope-geosciml at lists.arcs.org.au
Objet : Re: [auscope-geosciml] Another WFS gap

> -----Original Message-----
> From: auscope-geosciml-bounces at lists.arcs.org.au [mailto:auscope- 
> geosciml-bounces at lists.arcs.org.au] On Behalf Of Boisvert, Eric
> Sent: 08 September 2010 18:39

> b) a DescribeFeatureType will return gsml:MappedFeature in the context 
> of GeoSciML (who does not know about extensions such as 
> EarthResourceML and GWML)
Don't you just configure your WFS to return an EarthResourceML or GWML Schema (which presumably import GeoSciML) if you want your service to return EarthResourceML or GWML features? Or if you want both just return a wrapper Schema which imports both (or any number of required Schemas).
I think you've already pointed out in the past that getting a custom Schema response specifically to describe a particular feature type would be a lot of work, so mostly we're all just returning some big general Schema which includes all the feature types we might want to serve.

> therefore, from the GetCapabilities and DescribeFeatureType, a client 
> application cannot help the user to build a query that involves any 
> types from the extended domain.
I personally haven't seen any clients yet which actually help to build a query from analysing a Schema. I would be really interested to see one if you have one, or are you thinking more of possible future developments?

Marcus


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