On Sat, Jan 18, 2014 at 04:30:34PM +0100, Gerd Petermann wrote:
I wonder why we don't remove duplicate entries when we process the
members of mp relations. Is there any possible constellation where this
would cause trouble?
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
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