[OSM-talk] Country borders at zoom levels 7, 8, and 9 (Mapnik)

[Beau Gunderson]

Interesting! I'll read the wiki links you provided and make sure everything
matches up.


Beau

On Mon, May 26, 2008 at 11:17 AM, Steve Chilton <S.L.Chilton at mdx.ac.uk>
wrote:

> You might want to look at that particular one.
> The change will bring boundaries tagged as admin_level=2 (national
> boundaries) in earlier.
> The tagging for national borders should be as per wiki:
>
> boundary=administrative <
> http://wiki.openstreetmap.org/index.php?title=Tag:boundary%3Dadministrative&action=edit>
> , admin_level <http://wiki.openstreetmap.org/index.php/Key:admin_level> =2
> <
> http://wiki.openstreetmap.org/index.php?title=Tag:admin_level%3D2&action=edit>
>  marks country borders, such as the border between Austria and Germany. The
> names of the countries is specified through the tags "left:country",
> "right:country", if used on a linear way rather than an enclosed/area way.
>
> This appears to be tagged as admin_level=4 - at least on the section I
> looked at just now.
>
> Cheers
> STEVE
>
>        -----Original Message-----
>        From: talk-bounces at openstreetmap.org on behalf of Beau Gunderson
>        Sent: Mon 5/26/2008 5:49 PM
>        To: Jon Burgess
>        Cc: Talk Openstreetmap
>        Subject: Re: [OSM-talk] Country borders at zoom levels 7, 8, and 9
> (Mapnik)
>
>
>        Here's an example:
>
>
> http://www.openstreetmap.org/?lat=48.24&lon=-119.01&zoom=7&layers=B00FF
>
>        Glad to see this will be fixed by Wednesday! :)
>
>        I'll double-check that everything works then too.
>
>
>        Beau
>
>
>        On Mon, May 26, 2008 at 4:39 AM, Jon Burgess <
> jburgess777 at googlemail.com> wrote:
>
>
>                On Mon, 2008-05-26 at 01:49 -0600, Beau Gunderson wrote:
>                > I'm looking at the top of Washington state and its border
> with Canada
>                > in Mapnik--it seems that in zoom levels 7-9 the country
> borders aren't
>                > rendered. In Osma they're rendered but there are strange
> gaps and some
>                > weirdness when you zoom in closer at the gap areas.
>
>
>                Could you give a link to a suitable position to see this on
> the map?
>
>
>                > Anyone know what's going on? Is it just a matter of
> including the
>                > country borders in those zoom levels for Mapnik? (Is a
> Trac ticket a
>                > better place for this?)
>
>
>
>                One possibility is that this way is the border of multiple
> regions and
>                has a tag like:
>                       admin_level="7;8"
>
>                If so, this causes problems for the older osm2pgsql/mapnik
> code which
>                running on the tile server at the moment. I plan to update
> to the trunk
>                osm2pgsql code which should handle this better.
>
>                A trac ticket does make it easier to keep a record of known
> issues.
>                >
>                > Thanks,
>                >
>                > Beau
>                > _______________________________________________
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>                > talk at openstreetmap.org
>                >
> http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/talk
>
>
>
>
>
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