[OSM-dev] invalid geometry in planet_polygon
osm at stephans-server.de
Tue Aug 24 08:22:12 BST 2010
Frederik Ramm wrote:
> Stephan Knauss wrote:
> Yes, of course, there are hundreds of thousands of invalid geometries.
For postgis only 11k on the planet are that broken it considers them
Great tool. I did not know it can also check Multipolygons. Thank you
for providing this. A big help is it showing the actual intersection
point causing the problem.
> The API doesn't (and can't) prevent them, and osm2pgsql makes no efforts
> (and couldn't really) correct them.
So it's best to prepend every whery that relies on valid geometries with
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