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Re: GEOS 3.6

On Tue, Nov 28, 2017 at 3:18 AM, Bas Couwenberg <sebastic@xs4all.nl> wrote:
> On 2017-11-28 09:00, Thomas Voß wrote:
>> we are right now investigating an issue when simplifying geometries
>> with GDAL, which seems to be caused by
>> https://trac.osgeo.org/geos/ticket/741 in GEOS. The respective fix
>> made it to GEOS 3.6.
>> We are investigating into options for pulling GEOS with the fix
>> included into our builds. Do you have plans to update GEOS to 3.6 (we
>> are happy to use unstable or backports)? If not, do you think it's
>> feasible to cherry-pick the fix into the current package?
> As reported on this list, updating the geos package to 3.6/3.7 is blocked by
> OSSIM. [0]
> The OSSIM 2.2.0 release has support for the newer GEOS, but has other issues
> that prevent its inclusion in Debian. [1]
> Development of the OSSIM project is less than ideal, being driven by funding
> instead of community needs. So it's unclear when the remaining issues will
> be resolved.

ACK, thanks for clarifying the current situation.

> If this takes too much time, I'll ask the OTB project to drop their OSSIM
> dependency so we can remove OSSIM from Debian to unblock the GEOS upgrades.
> Cherry-picking the fix into the geos package may be possible, but I'll need
> to investigate this further. Ideally upstream releases GEOS 3.5.2 which that
> fix included.

+1 for working with upstream.



> [0] https://lists.debian.org/debian-gis/2016/10/msg00036.html
> [1] https://lists.debian.org/debian-gis/2017/08/msg00008.html
> Kind Regards,
> Bas

Thomas Voß
Technical Systems Architect


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