Changeset: 47267476
Fix postcodes using Code-Point Open
Closed by Robert Whittaker
Tags
build | 2.5 |
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created_by | Potlatch 2 |
version | 2.5 |
Discussion
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Comment from DaveF
To check, does this block have 2 postcodes? Website lists only one.
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Comment from Robert Whittaker
It would appear so from the Code-Point Open data: http://oscompare.raggedred.net/?layers=BFFTFF&zoom=18&lat=51.3806&lon=-2.36582 .
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Comment from DaveF
How old is that data? This is a new build that encompasses the previous sites of a business & retirement flats. A google of BA1 1BJ returns no businesses. Isn't code point just a bit of a guess at the centroid of a rough polygon?
The site of Green Park House was tagged with a postcode from a verifiable source. -
Comment from Robert Whittaker
It's the latest release of Code-Point from around the middle of January 2017. The points are a delivery point of an active postcode unit, chosen to lie closest to the geographic centroid of all delivery points for that unit.
It's quite possible that postcodes for a very new development are missing, and it's also possible that some old postcodes aren't removed promptly.
Apologies if the original one I "corrected" was already right. "BA1 1XF" isn't in the current version of Code-point Open, and instead there were two units located directly within the development. A source tag would have made me look more carefully though.
(The only definitive source of postcodes is Royal Mail. You can check an individual code at http://www.royalmail.com/find-a-postcode -- but you can't then use that information in OSM.)
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