On 2016-02-15 16:46, Lester Caine wrote: > On 15/02/16 14:15, Colin Smale wrote: On 2016-02-15 13:42, Lester Caine wrote: > > So Bath is also a > city despite being below some arbitrary population limit. Bath has around > 100k inhabitants, not exactly a hamlet... But it doesn't > have a city council, only Charter Trustees. Bath has not lost it's city status, unlike Rochester, so the designation is correct.
Absolutely, I was questioning the "arbitrary population limit", not the city status. Sorry if I wasn't clear. > If we know the > population then it should be recorded, or a link to some other database > that can provide a current and possibly historic population record? > There is a well-established key population=* > : http://wiki.openstreetmap.org/wiki/Key:population > > Populations change every day of course, so they are never entirely > accurate. But the wiki describes also population:date and > source:population which are important to put the number in the right > context, as is putting the tag on the right geometrical object which > really should be a polygon (so either admin boundaries or landuse or > place) and not a node. > There we will have to disagree ... In my book there should be a node for > every place in the UK. And it's location should be suitable to the > 'centre' of the place. Personally I use the geonames.com as a cross > reference and the population figures there are an alternative. It may > actually be useful to add the geomnames reference to OSM and then use > the name transalations via that ... but for population we still need a > more reliable source? No harm in having a node as well, it's just that putting the population on a node is ambiguous as to what is considered part of that place whereas putting the population on a 2D object is unambiguous. In England "places" themselves don't have well-defined boundaries - only admin areas, down to the level of parish/electoral wards (of which the population is known, more-or-less). Unless the NLPG can help? But I suspect they are more oriented towards postal addresses, which is a whole different can of worms.
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