On 09/11/2018 19:49, Chris Hill wrote:
I maintain a GB postcode overlay, based on the Codepoint Open
datasets. This was last updated using the August 2018 data. I expect
another update shortly. You can see postcodes on a map I provide or
use the overlay tiles in your favourite editor. More details can be
found here:
This is a fantastic resource, thank you for making and maintaining it.
I've been using it for a couple of weeks and almost enjoyed tagging
postcodes! Sadly, osm.org doesn't seem to make use of addr:postcode tags
and maps.me is painfully slow when searching for them. But that's a bit
of a chicken and egg problem, I guess, as there are still not many
postcodes in the database.
I found it useful to highlight buildings and nodes tagged with
addr:postcode. Otherwise it is very easy to lose track of what building
have already been tagged. Below is a JOSM map paint style that does that
and displays the existing postcodes:
https://pastebin.com/raw/RxKNky3E
If you find any problems please let me know.
Not really problems but:
- Overlapping labels can be difficult to read. Perhaps the script could
detect co-located postcodes and concatenate them.
- After the update some postcodes point to different buildings (likely
centroids have changed and snapping function produces a different
result). That could be a feature. It would be good to have a
simultaneous access to all versions of tiles.
I also maintain a postcode layer based on the Office of National
Statistics OGL postcode data (ONSPD). There is currently a problem
with the way the tiles are generated, which I'm addressing. I believe
Codepoint Open and ONSPD are pretty much identical with the current
postcodes, but there is much more historical data in the ONSPD data.
It would be great to have e.g. a JOSM plugin combining address
information from open sources and making it easy (ideally with a single
click) to annotate postcodes and/or street names.
Many thanks,
ndrw6
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