[
Date Prev][
Date Next][
Thread Prev][
Thread Next][
Date Index][
Thread Index]
[
List Home]
|
Re: [udig-devel] general purpose client to WFS 1.1
|
On 2 Nov 2006 at 8:04, Paul Ramsey wrote:
> Jens,
>
> The WFS client code (most of it, anyways) resides in the Geotools
> code base. The main issue with moving to WFS 1.1 is not the WFS 1.1
> specification, it's the GML 3.1.1 specification. So if you're
> interested in helping, hop over the the geotools side of the fence
> and start talking there about what needs to be done for GML 3.1.1
> support. Some of it is already being done by the geoserver team
> (working in the geotools code base (we really should have a simple
> architecture diagram at the top of our developers page)) for an
> opengis project they are on right now. But it is a limited subset of
> GML3.
>
> Sorry to give you a research project when all you wanted was a simple
> answer!
>
> P
Hi Paul,
some research on the server side (deegree-devel list) led to the following:
<snip>
Hello Jens,
Jens Stutte schrieb:
> the WFS 1.1 spec defines for backwards compatibility as possible ouputFormat GML 2.1.2
> and 3.1.1 (see for example: page 48 of 04-094 Web Feature Service Implementation
> Specification_V1.1.pdf). As far as I can see in current deegree examples, only GML 3.1.1 is
> used. Is it possible to "downgrade" the WFS to use GML 2.1.2? Would it be very hard to
> implement this?
>
Actually, the WFS GML output does not use anything that is special to
GML 3. The GetFeature-reponses from the WFS should be valid GML 2 as well...
> The use would be, to create a "simple" XML transformation between WFS 1.0 and WFS 1.1
> requests and responses in order to be able to implement a fully backwards compatible WFS.
>
Yes, this could be realized as a proxy server for example.
Best regards,
Markus S.
</snip>
If this is true, why not realize (as a temporary hack) "proxied" WFS 1.1 support on the client
side inside uDig? With some XSLT you should be done - not very performant, but at least it
would work. Just to get a step ahead without being blocked by others...
Best regards,
Jens
