[OSM-talk] Part-municipalities and more place issues
salvini at t-online.de
Sun Dec 30 09:42:02 GMT 2007
"boundary=administrative" with a well chosen "admin_level=..." should be
maybe you need a admin_level=12 for the part-municipals
Ben Laenen schrieb:
> Hi all,
> We're trying to find some way to tag some oddities for places in
> Belgium, so I hope if some of you could give some insight in how best
> to tag these.
> Some little history: In the 1960's till the 1980's a lot of
> municipalities merged with other municipalities. Many were subsumed
> into other ones, or sometimes two of about the same size were combined
> into one. This meant that over 2500 municipalities became less than
> 600, but those municipalities didn't just disappear: they formed a new
> The effect of this was that there were two new terms for administrative
> divisions: "deelgemeente" (could be translated as "part-municipality")
> and "district" (this is actually the same, but only the
> part-municipalities of Antwerp are called district, just to say that we
> don't need specific tags for just the districts).
> So it's actually quite easy: we have municipalities which exist out of
> different part-municipalities. But we can't tag those properly now.
> Some problems we have:
> * There are municipalities with names
> like "Houthalen-Helchteren", "Knokke-Heist", etc. As you might have
> guessed: these are each actually two bigger "towns" which form one
> municipality. One town is called e.g. Houthalen, the other one
> Helchteren. Sometimes you see that depicted on maps like "Houthalen-"
> on one part, and "Helchteren" on the other one, like:
> * We have no way to properly tag part-municipalities or districts, yet
> we all use the name of those part-municipalities when we need to go
> there. Reserving a tag like "suburb" is quite undoable: the population
> of these part-municipalities and districts varies from a few dozen to
> over 70.000. The latter one should really display much more prominently
> than the former on the map. The latter one also should display more
> prominently than another municipality with 5.000 inhabitants.
> * To be quite blunt: I don't like the usage of the city/town/... tags:
> I'd like it much more that there are general tags like "municipality"
> (and in our case also something like "part-municipality"), and use an
> extra "population" tag to know how big to render the name. In
> Belgium "city" is a title given to a municipality (I think the UK has
> the same system), and if we tagged every city as such over a fifth of
> all municipalities would be a city (133 of 589), which would make the
> map of Belgium quite interesting...
> So, my suggestion: I'd like to see a new key "municipality" being used
> from now on, and useage of the "population" key (Wikipedia has a lot of
> info on that). But if someone decides now that cities of 1 million
> people should show more prominent on the map, he at least can do that
> somehow (but all the ones with population over 100.000 now get the same
> city tag). But that way we can introduce other tags
> like "part-municipality" (and what other things might exist on this
> planet?), which don't need seperate rules to display them on the map.
> The way I'm personally tagging things in Belgium now is: discard all
> info about municipalities/districts, and use for example "town" for a
> district of 70.000 inhabitants. Surely that's a nice way to get it
> rendered nicely, but you'd lose the data that one belongs to the other
> one. is_in wouldn't do its job to fix that: is_in=Antwerpen could mean
> anything from province, arrondissement (group of municipalities, we
> need a tag once for that too maybe, but that's not urgent, we don't
> really use that one :-) ), municipality and district...
> Anyway, I still need to find a nice way to render the
> Houthalen-Helchteren case, so it's not like:
> on the map. The only way I can see it work like above is
> a "display_like" tag, which incidentally would be quite useful for
> bilingual municipalities/streets/etc in e.g.
> Brussels: "name:fr=Bruxelles", "name:nl=Brussel", "display_as=Bruxelles -
> Brussel". I got the idea once to make use of the ";" delimiter for
> different tags, so we get "name=Brussel;Bruxelles", but that doesn't
> render like I'd like (one name on a different line for example, or for
> streets divided by a "-")...
> But I'm diverging now too much, the issue was about
> part-municipalities :-)
> So, any ideas?
> talk mailing list
> talk at openstreetmap.org
More information about the talk