[Imports] Dutch addresses and buildings import - how to deal with addresses in apartments

Jo winfixit at gmail.com
Tue Feb 25 17:42:01 UTC 2014

I wanted to add a street to OSM and I thought: didn't they have all this
data as open data. So I had a look at your import process.

It's a bit inconvenient that plugins that are needed, don't show up in
JOSM's plugin list. So I was stuck right away.

That didn't stop me from reading on. What struck me as odd, is that the
instructions say to remove the building outlines that came from 3dshapes. I
know they're not worth all that much, but it seems to me the history ought
to be preserved by using replace geometry on them.

I finally created a Polyglot_Import account to help out with the Uganda
borders. Now it seems I would have to create another Polyglot_BAG account,
if I choose to take the many hurdles. I decided to let the goblet pass...
(I know this requirement doesn't come from you, but you could make it
easier for an occasional importer like myself by providing the necessary
plugins in JOSM itself)

I want to do a street here and there, not whole villages and city parts.
The information I'm missing at the moment are the house numbers. In
Flanders we have a WMS layer we can consult to add them manually. Is there
something like that in the Netherlands?



2014-01-28 23:31 GMT+01:00 Johan C <osmned at gmail.com>:

> Hi all
> last November the Dutch addresses and buildings import has been discussed
> on this list. Since then alpha testing has been done in December by two
> people and after a new years meeting seven members of the Dutch
> OpenStreetMap community are currently beta testing a JOSM plugin which is
> performing the preprocessing (conversion of the original BAG database into
> the agreed tagging, simplifying building outlines and eliminating about 99%
> of the crossing buildings errors) and which is capable of loading data into
> JOSM by selecting a polygon. Early March we hope to roll it out and get as
> much as possible local knowledge in for importing, in order to increase the
> number of active mappers in The Netherlands.
> Some days ago Paul checked a testimport and stumbled across the JOSM
> validator warning 'Nodes at same position'. An example can be seen here:
> http://www.openstreetmap.org/?mlat=52.01284&mlon=4.33806#map=19/52.01284/4.33806
> The Vermeertoren (named after the famous Dutch painter) is a typical Dutch
> high rise building of 23 floors, combining an underground parking garage, a
> health care center, a child care center (kindergarten), social and luxury
> housing. That means a lot of addresses in one building. The address data as
> available in the official database (the BAG) combines several different
> addresses into a single LAT/LON coordinate. The WIKI on multiple addresses
> http://wiki.openstreetmap.org/wiki/Addresses is not very clear on this
> situation:
>  Buildings with multiple house numbers
> [image: Ambox warning pn.svg]<http://wiki.openstreetmap.org/wiki/File:Ambox_warning_pn.svg> There
> is currently no consensus on this.
> This matter has not been addressed in the November proposal, since I was
> not aware of it at the time. But given the WIKI we later decided that our
> import method would be okay. Biggest problems are that JOSM displays a
> warning (Nodes at same position) and that the display of addresses on
> Mapnik is not very nice. Perhaps the proposal as being made on this page
> http://wiki.openstreetmap.org/wiki/Proposed_Features/Multiple_addresses<http://wiki.openstreetmap.org/wiki/Proposed_Features/Multiple_addresses)> would
> give a better solution. Then again, the Dutch community does not feel that
> the chosen solution is wrong. These addresses can be found in Nominatim and
> anyone using a Geofabrik extract will have correct addresses for any
> purpose (like routing).
> Please share your thoughts on this. If you don't agree with the Dutch
> community, then please also share the problem you have with the chosen
> solution.
> Cheers, Johan
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