[mkgmap-dev] [PATCH v5] - merge nodes to remove evil short arcs

Thu May 28 17:10:20 BST 2009

Apollinaris Schoell schrieb:
> have checked some of the failing ways and they are all bad data where 
> a way is folded once ore more times and the segments share the same 
> nodes. one example
> http://www.openstreetmap.org/browse/way/28554391
> there is probably nothing mkgmap can do.
> data is broken and must be fixed. nice to have another tool to verify 
> osm data!
>
>
I personally wouldn't create such a way, but is it an invalid one?
Is it written somewhere for osm data that a way is not allowed to 
intersect itself?

If these are valid ways then mkmap has to handle it properly.

Regards,
Johann