[OSM-dev] Extracting just national boundaries
Peter Körner
osm-lists at mazdermind.de
Sat Aug 6 16:38:34 BST 2011
Am 05.08.2011 17:24, schrieb Igor Podolskiy:
> Basically, to implement a
> --used-relations you need to compute the transitive closure of a
> possibly cyclic graph with relations as nodes and memberships as edges,
> and this is not trivial if all you have is a data stream and no loops -
> which is the Osmosis model.
Osmosis does something very similar in its --cascading-relations option,
did you try that?
Peter
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