[Imports-us] South King County Building & Address Import

Samuel Wallingford sam.wallingford at gmail.com
Mon Oct 22 16:24:46 UTC 2018

Any thoughts from the imports community? Should be a fairly straightforward


On Tue, Oct 16, 2018, 1:40 PM Samuel Wallingford <sam.wallingford at gmail.com>

> Hello all,
> I am proposing a manual import of the southern portion of King County, WA.
> A significant portion of north King County has been previously imported,
> including Kirkland and Seattle.
> Wiki link is here:
> https://wiki.openstreetmap.org/wiki/South_King_County_Import
> I am by far the most active mapper in this area, responsible for 95% of
> the data surveyed in person and most of the armchair mapped data in Kent,
> Renton, Burien, Covington, Tukwila, SeaTac, Des Moines, Federal Way,
> Auburn, Sumner, Bonnie Lake, Black Diamond, Enumclaw, and more.
> This would be a hand-completed import by myself, based on the released
> Bing building footprints (which have an OSM compatible license) and the
> King Co. address data that was previously used for other area imports.
> Workflow is manual, using a portion of 1000 or so buildings copied from
> the Bing dataset, manually merged using the JOSM conflate tool with the
> King Co. address data.
> Tagging would be simple:
> building=yes
> addr:street=[expanded street name with no abbreviations]
> addr:housenumber=XXXX
> addr:city=XXXX
> addr:postcode=XXXXX
> addr:state=WA
> Data would be then manually conflated with existing data. As I have mapped
> the vast majority of existing data and live in the area, I know of many new
> buildings that are not on any satellite photos, and can intelligently merge
> them.
> I will communicate with some local mappers who occasionally map in very
> localized areas before I import near those locations. Given I track nearby
> changes using the various QA tools, I am very familiar with the local
> community, even mappers who only map a few times a year.
> Being a committed, long term local mapper, I have a vested interest in
> avoiding the one and done import style. I am constantly updating the map in
> the area.
> This brings a great deal of value to the local community and OSM as a
> dataset, given the fact that there is a population of 500k.
> Let me know if you have any questions.
> Thanks.
> Sam
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