[Talk-us] Georgia USGS import quality issues

Mateusz Konieczny matkoniecz at tutanota.com
Tue Feb 16 06:38:21 UTC 2021


Note that Import Guidelines required discussion and documenting import
also then: https://wiki.openstreetmap.org/w/index.php?title=Import/Guidelines&oldid=211128
(this link to state of that of page at time of making that edit)

If import was not discussed it is OK to remove whatever it added (though, after 12 years
an automated revert may not be feasible).

BTW, large parts of that were deleted already 3 and 5 years ago with changeset
comments mentioning low data quality.

Feb 16, 2021, 01:24 by m at rtijn.org:

>
> Hi all.
>
>
> While cleaning up some TIGER data in Georgia, I came across a      number of land use polygons that seem to have resulted from a USGS      import that looks to have happened about 12 years ago. Here is one      of the changesets: > https://www.openstreetmap.org/changeset/660316
>
>
> There is a reference to this import on the Georgia wiki page: > https://wiki.openstreetmap.org/wiki/Georgia_(U.S._state)#Land_Use>  . The user (Liber) does not seem to be active any longer, but I      haven't contacted them yet.
>
>
> This Overpass query suggests that there are almost 4000 ways with      the identifying source tags: > https://overpass-turbo.eu/s/13xi>  .      Many of the examples I came across are of dubious quality. Either      there is little relation to ground truth, deprecated tagging is      used, or both.
>
> I raised this in #local-georgia on Slack, but local mappers there    are not familiar with the import.I created a MapRoulette Challenge    to look at these one-by-one, but the community may prefer a    different approach?> https://maproulette.org/browse/challenges/16952> https://maproulette.org/browse/challenges/16952> https://maproulette.org/browse/challenges/1695> .    What are your thoughts on how to proceed?
>  
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> 2
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> Martijn
>  
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