[OSM-talk] Identical Duplicate buildings

John Whelan jwhelan0112 at gmail.com
Wed Jan 27 20:37:52 UTC 2021


An import would explain much but any suggestions to prevent it happening 
in the future?  It's just the prevention side I'm interested in.

Thanks John

> Mateusz Konieczny via talk <mailto:talk at openstreetmap.org>
> 27 January 2021 15:29
>
>
>
> Jan 27, 2021, 21:17 by marc_marc at mailo.com:
> Sounds also like an undiscussed import.
>
>
>
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> Marc_marc <mailto:marc_marc at mailo.com>
> 27 January 2021 15:17
>
> not the same day, so not a temporary network failure/retry issue.
> same nodes, so not a "manual drawing over an imagery"
> check imagery_used changeset tag, last value is "data file".
> so it look like the user or the software load 2x the same data file.
> -> bug in HOT workflow
>
> Regards,
> Marc
>
>
>
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> Mateusz Konieczny via talk <mailto:talk at openstreetmap.org>
> 27 January 2021 14:49
> https://www.openstreetmap.org/way/890132426/history
> https://www.openstreetmap.org/way/890733002/history
>
> is a specific example that I kept for now.
>
> HOT-organised mapping often has extremely low mapping quality,
> but I have never investigated whatever it is result of many newbie
> mappers, recruiting people not really interested in mapping,
> poor design on HOT-side, problem caused by mapping setup
> unique to HOT or something else.
>
> Note that the same building was mapped twice, not sure how.
>
> Jan 27, 2021, 19:55 by jwhelan0112 at gmail.com:
>
>
>
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