Hi list, super-relation is a concept to simplify mappers work and give more cohesion in the case of shared borders between two regions. The frontier between zone A and zone B is a relation which is reused to make the border of zone A and zone B.
This makes relations having sub relations (member_type = 'relation') which are not polygons. To have the polygon of the zone A or zone B, we have to cumulate ways of their sub relations. This concept is not defined in the official osm website but by talking in deferents osm lists, it seems to become more and more usual. Here's in an example of this use case : http://www.openstreetmap.org/browse/relation/1362232 My question is : when extracting data with completeRelations, are sub relations ways are include ? Thank you, Kin
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