2016-09-19 5:50 GMT+02:00 patrick keshishian <pkesh...@gmail.com>: > Question: Is there a general rule used when processing role=""? >
it depends on the type of relation > OSM wiki for Relation [3] indicates that roles are optional. > yes, they are generally optional, save for certain relation types. A relation is a very generic concept, and can be used for expressing a lot of different things, For multipoligon relations, a role should be set (but many tools, e.g. osm2pgsql) ignore them AFAIK. http://wiki.openstreetmap.org/wiki/Relation:multipolygon#Members cheers, Martin
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