On Mon, Oct 11, 2021 at 7:05 PM Niels Charlier <ni...@scitus.be> wrote:
> Hello Andrea,
>
> I did not mean to misrepresent you. I actually thought your suggestion
> made sense. The new method in the CRS class is (currently) only intended
> for reprojection.
>
The CRS class is a generic facade to the capabilities of the referencing
subsystem, exposing some of its functionality in a simpler way.
Its javadoc states "Simple utility class for making use of the {@linkplain
CoordinateReferenceSystem coordinate
reference system} and associated {@linkplain
org.opengis.referencing.Factory} implementations."
While most of the methods deal with reprojection, some have nothing to do
with it, like "lookupIdentifier". The class is definitely
not meant to be restricted to reprojection alone, nor has a specific focus
on WFS related activities.
As said before, it should represent the true capabilities of the
referencing subsystem, modules that need specific restrictions
should have their
> As far as the standard goes, I was referring to the ""OGC® Web Feature
> Service 2.0 Interface Standard – With Corrigendum"
>
> sections: 7.9.2.4.4 srsName parameter (
> https://docs.opengeospatial.org/is/09-025r2/09-025r2.html#95)
> and 7.9.2.4.4.2 compatibly coordinate systems
>
> And in particular this example:
> "EXAMPLE: A feature with both 2D and 3D geometry properties is requested
> with srsName set to a 2D CRS; the 2D property is encoded in the requested
> CRS, and the 3D property is encoded with some 3D CRS identified in the
> srsName of the geometry."
>
Oh, quite interesting!
In the meantime, I've got this two bits of response:
- Regarding OGC API - Features: "if the server implements Part 2 and a CRS
is specified then all geometries in the response must be reprojected to the
requested CRS in the response."
- Regarding WFS: " WFS is a little more flexible since you can have
multiple queries in one request each in a different CRS"
I've added the quote above in my chat with the OGC people, let's see if it
stirs up more feedback.
If you want to participate directly, get on gitter and get in this chat:
https://gitter.im/opengeospatial/WFS_FES
Cheers
Andrea
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Ing. Andrea Aime
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