[mkgmap-dev] type=multipolygon relations

Sat Jan 18 21:58:58 GMT 2014

Good luck for correcting them, there are tons of those faulty mp's all over the place in NL's ;-)
I wouldnt spend too much time for this, better ignore it. 
The guy who imported those 3D-landuse shapes almost risked his health :-/

> I cannot think of any. It should also not make any sense for the same
> way to be in different roles in a multipolygon relation.
> 
> (In a route relation, you could have the same way twice, in
> role=forward
> and role=backward. You might even have a way multiple times, if the
> route is visiting points A, B, A, C, A.)
> 
> The JOSM relation editor is highlighting duplicate relation members. I
> think that it would be good to issue a log message for the duplicate
> multipolygon members, so that the data can be corrected (simplified).
> 
> Marko