[Imports] New Zealand address import

Michael Reichert michael at michreichert.de
Tue Jun 13 18:03:20 UTC 2017


Hi Eliot,

Am Freitag, den 02.06.2017, 12:59 +1200 schrieb Eliot Blennerhassett:
> Merging this dataset would also free mappers from the near-impossible
> task of manual address entry for the whole country.

Mapping a country's addresses is not impossible, it is just difficult
and a lengthy task. Urban areas are relatively fast mapped if the
number of mappers per 1000 inhabitants is similar to some well known
countries in Central Europe. The lengthy part is mapping rural areas
where the distances between the settlements are large. If you want to
strengthen your urban communities, you should only import addresses in
rural areas. (This does not mean that you have to wait until urban
areas are finished)

Mapping addresses is no stupid work. Depending on your mapping
technique, you can also collect other useful data or check if new
buildings have been built and existing building been knocked down.
These are just two examples on how to update data.

> To anticipate some questions.
> * The source data is CC-BY, and the attribution requirements are well
> documented.

The wiki page does not mention that the owner of the data granted a
permission which lifts the limitations of CC-BY for OpenStreetMap.
Please use the template provided by License Working Group. (It is not
only the attribution requirement which makes the CC-BY to be
incompatible with our licensing).
https://drive.google.com/file/d/0B3PN5zfbzThqeTdWR1l3SzJVcTg/view

Some other thoughts while reading your wiki page:

- What's the purpose of adding LINZ:address_id=* and linz:change_id=*
to OSM?
- You propose to add a tag source:revision=*. Where will it be placed?
On the changeset or on the imported objects?
- Where will you place the source=* tag you mention? On objects or on
changesets?
- You write on the wiki page that you are not sure whether to use
addr:city=*, addr:place=* or addr:hamlet=* for the field "town_city" of
the LINZ data. Why are you not sure? Is town_city a mix of information
which should be stored in two distinct fields in an ideal dataset or
are you unsure about the definitions of the three OSM tags?
- Have you assessed the quality of the data by checking it on the
ground on a few locations in urban and rural areas?
- The wiki page should be improved by adding more technical details of
the import, namely how duplicates will be detected and which
software/workflow will be used to upload the data. Please publish the
source code of the scripts if you use any (at a sufficient location for
source code).
- Please add a list of user accounts who will upload the data. Their
user profiles at openstreetmap.org should mention who they belong to.
One import account should only be used by one natural person.

Although you write that your import proposal is in an early stage, you
have already started uploading data. https://www.openstreetmap.org/chan
geset/49492831 Please wait at least one week in addition whether
further concerns are raised. Please read the Import Guideline
carefully! I doubt that you haven't read it as carefully as necessary
to do a good import. (Btw, it is a very good idea to read most emails
of the last six months in the archive of this mailing list, too)

Best regards

Michael
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