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OGC Web Feature Service (WFS) 2.0 Interface Standard Released
Thu, 2010/11/04 - 08:01 — Satri
A user sent me a link to the freshly released "OpenGIS Web Feature Service 2.0 Interface Standard" documentation from the Open Geospatial Consortium (OGC).
I admit not being a standard expert at all, so decrypting and interpreting OGC documentation is rather difficult to me. If I understand correctly, this is really version 2.0.0 of the WFS standard: "Implementations of this International Standard shall use the value "2.0.0" as the protocol version number". I also did not find any "what's changed" information to let us quickly understand what's new and updated in WFS 2.0.0. We'll let you know if other geoblogs provide more digestible information.
UPDATE: See comment below for an overview of changes. Thank you anonymous! ;-)
Re: OGC Web Feature Service (WFS) 2.0 Interface Standard ...
Many improvements actually
- better XLink support (resolution of property path locally or remotely)
- paging of the result
- changes to the CRS format (must be urn:ogc:def:crs:EPSG:
)- change to the response container (wfs:FeatureCollection, wfs:AdditionalObjects)
- Stored Queries (this is a big one, WFS supports something similar to SQL views. User can even create their own).
- Improvement to Capabilities document where supported conformance classes are explicitly reported.
- New GetPropertyValue operation.
- changes in Transaction
- versioning and version navigation
- explicit types in Literal
- new filter operator can be created (beyong PropertyIsEqualTo, etc.)