[Talk-GB] UPRN & USRN Tagging
andrewhainosm at hotmail.co.uk
Fri Jul 3 17:07:43 UTC 2020
If there are more than 19 UPRNs for the same building the reference will be longer than OSM’s tag value limit of 255 characters.
From: Tony OSM <tonyosm9 at gmail.com>
Sent: 03 July 2020 15:31
To: talk-gb at openstreetmap.org <talk-gb at openstreetmap.org>
Subject: [Talk-GB] UPRN & USRN Tagging
As we have access to the data and Robert Whittaker has produced a great UPRN locations map, how are we planning to tag OSM objects?
ref:UK:uprn and ref:UK:usrn
have been suggested as tags - I think this is the way to go.
There is also Key:ref:NPLG:UPRN:1 in the wiki.
Question: Should uprn be applied to the building outline or to a node?
The OS data applies them as nodes, they are assigned by local authorities to a location as a node.
The uprn is applied to many objects even bus shelters, and individual flats within a block; there may be what appear to be duplicates.
I suggest that for OSM buildings or building parts which are individually linkable to a uprn then the uprn is assigned to the building way outline; otherwise to an OSM node if the mapper deems appropriate
Tony Shield --- TonyS999
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