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

[Ken Kilfedder]

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.

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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
> 
> _______________________________________________
> Talk-GB mailing list
> Talk-GB at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/talk-gb
> 
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