IMO we should tag cities and towns as they are designated here and add a population if possible to satisfy those that want to render places by population size.
Cheers Andy > -----Original Message----- > From: Ed Loach [mailto:[email protected]] > Sent: 17 October 2011 10:48 > To: [email protected] > Subject: [Talk-GB] UK cities > > I was watching the quiz show "Holding out for a Hero" last night on TV and > one of the questions was how many cities are in the UK. The correct answer > out of 26, 46 and 66 was 66. Sorry for the spoiler if anyone had recorded it to > watch later and couldn't have guessed. > > However I idly wondered at the time how accurately UK cities are mapped. > This morning, with the help of a Geofabrik British Isles extract and a .poly file > I created moments before finding the existing UK one on the Cloudmade > website, I can confirm that we have 69. After finding an official list on a UK > Gov website[1] and > comparing: > > We are missing: Chichester, Lichfield, Ripon, Salford, St David's, Stoke-on- > Trent, and Westminster We have extra: Bournemouth, Chelmsford, > Colchester, Ipswich, Jedburgh, Middlesborough, Milton Keynes, > Northampton, Reading, and Swindon > > I have a feeling that some of the extra ones have been tagged as cities for > the renderer as rendering of cities doesn't take into account area (of a > node?) or population as far as I know. > > Having said that, the Key:place wiki page[2] seems to suggest that the > convention varies by countries with suggested tagging based on population > for those countries that haven't established a convention. In other word it > fudges the issue because mappers disagree. Map Features[3] suggests > "Urban settlement of national importance as defined by > national/state/provincial government. May be state capital, provincial capital > or center of a metropolitan statistical area. Often over 100,000 people", > which leans towards using official city definitions in countries where those > exist. > > So currently, if someone wants a list of UK cities from OSM, they can't get it > by using osmosis to extract place=city nodes. Or they can, but they would > find our data to be wrong. > > So, should we correct the tagging of cities in the UK so people can extract > correct information? Discuss... > > Ed > > [1] http://is.gd/1dUxfR > [2] http://wiki.openstreetmap.org/wiki/Key:place > [3] http://wiki.openstreetmap.org/wiki/Map_Features#Places > > > > > _______________________________________________ > Talk-GB mailing list > [email protected] > http://lists.openstreetmap.org/listinfo/talk-gb > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2012.0.1831 / Virus Database: 2090/4551 - Release Date: 10/14/11 _______________________________________________ Talk-GB mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk-gb
