[Talk-GB] Fixing non-closed polygons in the United Kingdom

[Tom Crocker]

Hi Ken

I think both of those had water=* tags on them (the ditch was edited by
DaveF 8 hours ago) so I guess that's the cause.

Tom

On Thu, 10 Feb 2022, 08:22 Ken Kilfedder, <spiregrain_osm at ksglp.org.uk>
wrote:

> This challenge appears to be suggesting ways that should not be closed
> polygons.  Can I ask what your criteria for detecting an unclosed polygon
> are?
>
> Two examples:-
>
> https://maproulette.org/challenge/25103/task/124729534
> https://www.openstreetmap.org/way/722682775
> A waterway=ditch, which per the wiki, should only be an unclosed way.
>
> https://maproulette.org/challenge/25103/task/124729661
> https://www.openstreetmap.org/way/183223676
> A highway=path, which would not normally be a polygon.
>
> ---
> https://hdyc.neis-one.org/?spiregrain
> spiregrain_osm at ksglp.org.uk
>
>
> On Wed, 9 Feb 2022, at 6:56 PM, TomTom OSM wrote:
>
> Hello everyone,
>
>
>
> I'm Marjan from TomTom.
>
> I would like to inform you of an editing project we are planning to
> execute in the United Kingdom. The aim is to fix non-closed polygons, i.e.
> cases where the tag on a way indicates that it is a polygon feature, but
> the way is not closed, or ways with the same role in a relation are not
> closed. We detect quality issues like this using public instances of OSM
> quality checking tools such as Atlas and Osmose in addition to internal
> validation. The non-closed polygons can be fixed in the following
> MapRoulette challenge:
>
> https://maproulette.org/browse/challenges/25103
>
> This challenge already contains a selection of tasks that you can look
> into, and more will be added in the following day.
> Our expert editors will start to work on these tasks in a few weeks.
>
> Don't hesitate to take a look at the link, and let me know if you have any
> questions or suggestions. For more information about our organised editing
> activities, you can check out our wiki page
> <https://wiki.openstreetmap.org/wiki/Organised_Editing/Activities/TomTom>.
> If you wish to contribute to any of our challenges yourself, you are very
> welcome to do so.
>
>
>
> Marjan
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>
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