Martin, Sorry, I should have talked a little about the history behind this before.
Initially aeroway=aerodrome used the key type=* to further classify it's type. Nowadays, the key type=* is infamous because it is the de facto way of especifying relation's types, and therefore shouldn't be used for anything else. Consequently, people started moving away from using type=* to using either aerodrome:type=* or aerodrome=*. But type=* it still used much more than both aerodrome=* and aerodrome:type=* together. Probably it was used on earlier imports of airport data. Below you can see values of the key type=* when used together with aeroway=aerodrome around the globe: public: 2349 multipolygon: 284 military: 281 civil: 232 private: 173 military/public: 68 public;military: 38 non-public: 37 destination_sign: 30 joint (civil and military): 25 civil / military: 22 joint: 13 public/military: 13 civilian: 10 public / military: 10 airstrip: 8 To make this list shorter, I removed from this list all values that appeared less than 6 times, and "merged" the values when all that changed was some letter's case or white. I am working on the key's aerodrome in the hope it can substitute the key type=* on classifying an aerodrome, because it conflicts with relations like multipolygon (as shown above). I will also include this information in the wiki page Key:aerodrome 2014-07-24 11:23 GMT-03:00 Martin Koppenhoefer <dieterdre...@gmail.com>: > > 2014-07-24 14:11 GMT+02:00 John Packer <john.pack...@gmail.com>: > > If anyone thinks this should be a proposal, and know enough about >> aerodromes to do so, feel free to make one. > > > > thing is that right now it looks as if this was state of the art, i.e. an > established scheme, what it surely isn't, also compared to actually used > values for this key. > > cheers, > Martin > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging > >
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