On 21 May 2009, at 17:33, Radomir Cernoch wrote:
Ben Laenen píše v Čt 21. 05. 2009 v 17:54 +0200:So while it seems to be a polygon vs tags on ways discussion:I wonder what people have against using relations to combine all roads in one built-up area, or one maxspeed zone, or some other kind of zone.It's really the cleanest option and allows for additional tags like a name, and it allows everything to be more clearly defined, and allows for a method which is much more flexible and allows for extended properties.How would a typical city look like? All 80 km/h roads in one relation and all 50 km/h roads in another relation? Or one relation per suburb?And what about while countries: all rural 90 km/h roads in one relation?
This is using relations as categories, which is wrong. The speed is what tags are for, as it is an attribute of the way, there is nothing special about them.
http://wiki.openstreetmap.org/wiki/Relations/Relations_are_not_Categories Shaun
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