[OHM] Advice on modelling historical boundaries & where to keep them?

Tim Waters chippy2005 at gmail.com
Wed Feb 18 14:33:42 UTC 2015


Interesting, do you know if the need was for present day geocoding where
the region exists in the mind of the locals, and where they refer to the
non existent place as if it still existed, so a search for the town in the
region now could well be expected to work or if it was primarily a historic
search, where everyone in the area doesn't use the name anymore, but where
a search was to show something that used to exist?

On 18 February 2015 at 11:13, Pieren <pieren3 at gmail.com> wrote:

> FYI, I removed this week an historical boundary recently created in France:
>
> http://www.openstreetmap.org/relation/4568925/history
>
> The intend of this contributor was clearly to find an existing town
> into its older region using the default OSM name finder (he was
> involved in a forum discussion) where nominatim could, for instance,
> sort the results by dates. Of course, tags like
> "type=boundary:1790-1972" or "admin_level:1790-1972=2" are not
> recognized by nominatim.
> I also forwarded this contributor to OHM explaining that OSM is not
> intended to support historical boundaries. But the demand exists.
>
> Pieren
>
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>
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