"To make such a rating verifiable would require to have a recipe to calculate it from other observable facts - and then it is better to tag these facts rather than the combined rating calculated from them."
Yes, I thought about something like that. But as my knowledge about aviation is limited and I have no time for and interest in maintaining these tags - I proposed nothing concrete - but to make it clear, I thought about something objective like number of served passengers or take-off count. 2015-01-03 14:54 GMT+01:00 Christoph Hormann <chris_horm...@gmx.de>: > On Saturday 03 January 2015, Mateusz Konieczny wrote: > > - introducing new key that would allow to decide whatever > > airport is important or not > > Independent from this particular problem manually tagging importance > ratings is a really bad idea. Importance of a feature is nearly always > a multi-criterion quantity. To make such a rating verifiable would > require to have a recipe to calculate it from other observable facts - > and then it is better to tag these facts rather than the combined > rating calculated from them. > > As i have said on github the runway length would be a fairly good > criterion for importance and it is very widely available already (35551 > nodes aeroway=aerodrome with 31752 ways aeroway=runway). The problem > here is not having this information mapped i think but querying it from > the rendering database. > > -- > Christoph Hormann > http://www.imagico.de/ > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging >
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