[Talk-GB] Automated Code-Point Open postcode editing (simple cases only)
mark at good-stuff.co.uk
Fri Jul 19 19:29:14 UTC 2019
On 19/07/2019 15:15, Andrzej wrote:
> Indeed, Code-Point Open is less than ideal, the issues are almost
> always caused by lack of differentiation between residential and
> "large user" postcodes. On the other hand, it is the only legal
> source of postcodes we have, other than local knowledge, but the
> latter is realistically limited to a dozen or so postcodes per
> mapper. Businesses website could also be OK but they are usually
> copyrighted. Derived databases, like FHRS, are generally not OK, a
> unless also permitted by Royal Mail.
ONS postcode products are also OGL, so can be reused in OSM and similar.
They're also more useful than Code-Point Open in that they also include
lookups to a number of other government codes (such as local authority
GSS codes). It also differentiates between "large user" and normal
postcodes, and includes an introduction date and, where applicable, a
termination date for every valid postcode. And, unlike Code-Point Open,
the ONSPD has a persistent URL that can be used to automate updates.
More generally, the ONS open data geography datasets are a goldmine.
Another useful one is the Index of Place Names; that has obvious utility
for OSM as a means of verifying the official spelling of names entered
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