[OSM-talk] Multipolygon fixing effort done

Christoph Hormann osm at imagico.de
Tue Aug 29 14:37:19 UTC 2017

On Tuesday 29 August 2017, Jochen Topf wrote:
> When the old-style-mp support was disabled on the main map, this left
> about 50,000 broken multipolygons, in many cases clearly visible on
> the map. I didn't see a single complaint about this. So, no, I don't
> think being a bit more strict with broken MPs will be a problem with
> the map or would be a reason to delay deployment of a new osm2pgsql
> version. 10,000 intersection problems in 300 million polygons is a
> rounding error.

I don't really want to repeat the discussion we had in 


My original idea stands: It would be good to have an idea how far the 
visual impact of dropping broken geometries has been reduced and if it 
has reduced a lot it would make sense to actually remove them in the 
standard map relatively fast before the numbers increase again.

Christoph Hormann

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