Follow up to the email list.
On IRC we went over the
(http://docs.codehaus.org/display/GEOTDOC/02+GML+Example) to explain what I was
talking about with WFS handling multiple values.
We also short listed a bunch of standards to review (since whatever we do needs
to match these at the end of the day or we will produce *bad* Filter / CQL /
Style / Query statements).
- WFS
- SLD
- Filter
- CAT
- CQL (http://www.loc.gov/standards/sru/specs/cql.html)
In particular WFS 2.0 has join predicates that exactly cover the comparison of
multiple values vs multiple values so I am hopeful we can see the end of this
topic.
--
Jody Garnett
On Wednesday, 11 May 2011 at 5:23 PM, Niels wrote:
> I'm not following you here...
>
> On 11/05/11 15:21, Jody Garnett wrote:
> > I was thinking; the normal use of Filter (in a WFS request) is actually to
> > process an xpath of all the "members" of a feature collection right? If you
> > think of the filter being applied to a raw GML document this is the effect
> > we are getting at the end of the day.
> >
> > In this case they are avoiding the problems we are discussing (ie how to
> > merge to a single true/false) by giving us a true/false for each "member".
> >
> > --
> > Jody Garnett
> > On Wednesday, 11 May 2011 at 4:17 PM, Niels wrote:
> > >
> > > >
> > > > Does the GML, FIlter or WFS 2.0 specification have any guidance for us
> > > > in these matters?
> > > To reply to that question, I looked in to the Filter and WFS 2.0
> > > specifications, but couldn't find anything.
> > >
> > > --
> > > Niels Charlier
> > >
> > > Software Engineer
> > > CSIRO Earth Science and Resource Engineering
> > > Phone: +61 8 6436 8914
> > >
> > > Australian Resources Research Centre
> > > 26 Dick Perry Avenue, Kensington WA 6151
> > >
> >
>
> --
> Niels Charlier
>
> Software Engineer
> CSIRO Earth Science and Resource Engineering
> Phone: +61 8 6436 8914
>
> Australian Resources Research Centre
> 26 Dick Perry Avenue, Kensington WA 6151
>
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