[OSM-dev] Coastline changes Antarctica

Jochen Topf jochen at remote.org
Mon Mar 11 17:16:53 UTC 2013


On Mon, Mar 11, 2013 at 10:07:54AM -0700, Paul Norman wrote:
> > From: Jochen Topf [mailto:jochen at remote.org]
> > Sent: Monday, March 11, 2013 9:27 AM
> > Subject: [OSM-dev] Coastline changes Antarctica
> > 
> > Hi!
> > 
> > In the course of the Antarctica coastline update (see
> > http://wiki.openstreetmap.org/wiki/Antarctica/Import_2013) we want to
> > change how the coastline of Antarctica is represented in OSM.
> > Specifically the coastline currently only works for the usual Mercator
> > web maps but not other projections and we want to fix that.
> > 
> > I have described the details in this blog post:
> > http://blog.jochentopf.com/2013-03-11-state-of-the-osm-coastline.html
> > Have a look at the chapter about Antarctica. (The other stuff might be
> > interesting, too, though.)
> > 
> > If you are extracting coastline data from OSM yourself, you should
> > probably be aware of these issues.
> 
> How will these changes impact the coastline used for tile.openstreetmap.org?

If tile.osm.org has by now switched to using OSMCoastline and uses a current
version there is no impact. If it still uses coastcheck it will break.

Of course, using whatever software, the coastline will be in a different place
after the planned import.

Jochen
-- 
Jochen Topf  jochen at remote.org  http://www.remote.org/jochen/  +49-721-388298



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