Hi Olle,
I did work on the curve support for SQL Server and Oracle, I've built the
in memory geometry representation
and GML encoding support in the first implementation [1], so believe all
you need to do
is to add support for parsing curves at the store level, somewhere around
here:
https://github.com/geotools/geotools/blob/865cc72a90b07841a4c871d1b07fcc8e5defd35b/modules/plugin/jdbc/jdbc-sqlserver/src/main/java/org/geotools/data/sqlserver/SQLServerDialect.java#L619
Curves cannot be encoded in WKB, unless SQLServer has extensions, a sort of
extended WKB
like in PostGIS, so it might be that case that curves could be supported
only if native encoding is used.
For reference, here is PostGIS parser handling curves:
https://github.com/geotools/geotools/blob/865cc72a90b07841a4c871d1b07fcc8e5defd35b/modules/plugin/jdbc/jdbc-postgis/src/main/java/org/geotools/data/postgis/WKBReader.java#L117
and the class doing the same for Oracle:
https://github.com/geotools/geotools/blob/865cc72a90b07841a4c871d1b07fcc8e5defd35b/modules/plugin/jdbc/jdbc-oracle/src/main/java/org/geotools/data/oracle/sdo/SDO.java#L71
Here are the GeoTools contribution guidelines, check them carefully
(signing CLA, code conventions, proper test coverage, and other
things written in there, if you don't respect them the PR will be rejected,
so consider them in your estimates):
https://github.com/geotools/geotools/blob/master/CONTRIBUTING.md
Hope this helps
Cheers
Andrea
[1]: Well, minus eventual bugs and other case specific issues, that is
On Thu, Jun 7, 2018 at 1:32 PM, Olle Markljung <marklj...@gmail.com> wrote:
> Hello all
>
> I have users that would be helped if curve support for SQL Server became
> real.
> I'm not sure if the implementation is needed in GeoServer or GeoTools but
> I reach out here first.
>
> Are there others also seeking this support?
>
> I might be able to do the implementation myself but otherwise perhaps some
> of the commercial support partners can be contracted.
>
> First I need to get a grip of the magnitude of work that needs to be put
> in.
> I guess that the approach is similar to the support for Oracle Spatial and
> PostGIS but if someone involved in previous work could give some hints of
> how to go about to add the support for SQL Server it would be appreciated.
>
> Regards,
> Olle Markljung
>
>
>
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