[osmosis-dev] Closed ways -> polygons?

Frederik Ramm frederik at remote.org
Tue Dec 22 18:20:18 GMT 2009


Hi,

David Carmean wrote:
> Not a wizard, but "tenacious" (or OCD, take your pick).  It's beginning to 
> seem like PostGIS has the tools to accomplish what I need.
> Have already managed to have it find closed ways and create polygon geometries 
> for them.  I'll update y'all on my progress when I make some more.

There is a procedural algorithm about making proper polygon geometries 
from relations specified here:

http://wiki.openstreetmap.org/wiki/Relation:multipolygon/Algorithm

If you have a PostGIS implementation that achieves the same, or roughly 
the same, feel free to add it!

Bye
Frederik

-- 
Frederik Ramm  ##  eMail frederik at remote.org  ##  N49°00'09" E008°23'33"




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