[OSM-talk] Fixing broken multipolygons

[Maarten Deen]

On 2017-02-18 12:37, Tomas Straupis wrote:
> Another interesting example are polygons like this:
>   http://www.openstreetmap.org/way/400182030
> 
>   Polygon geometry is fine here, but it has one pointless node close
> to one of the nodes. Pointless because it does not influence the final
> geometry of the polygon.
>   And if you look around there are a lot of such buildings with
> pointless nodes. I would say almost every building has them...

I suppose they have the same origin as the nodes outside the main 
building causing the intersecting buildings that we fix in this 
maproulette: a click to many and there is another node.

Maarten