On 15-01-22 01:44 PM, tagging-requ...@openstreetmap.org wrote: > Message: 3 > Date: Thu, 22 Jan 2015 18:08:49 +0100 > From: Marc Gemis <marc.ge...@gmail.com> > To: "Tag discussion, strategy and related tools" > <tagging@openstreetmap.org> > Subject: Re: [Tagging] Wiki Edit War on using/avoiding semicolon lists > Message-ID: > <CAJKJX-S3rCtHqSH+22+zrn0H5k6_ATTTOcmZmdcESYeK6k=1...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8"
>> > In this thread we are also most interested in multiple values. > I know :-) > > I have to add fuel to a heated discussion, but in the whole exchange on whether or not semicolon lists should be allowed/used, the most obvious example (to me) that requires semicolon lists was not mentionned, namely: opening hours. http://wiki.openstreetmap.org/wiki/Key:opening_hours I've tried before to collect data on parking restrictions in the city of montreal (Canada). Parking restricted/allowed times are an example of geographical data that requires a time description. I don't think the problem can be solved by relations. Simply because parking is allowed on two different streets between 2 and 3 pm, does not mean they're "related". As noted on the wiki: http://wiki.openstreetmap.org/wiki/Relation#Types_of_relation "They are not designed to hold loosely associated but widely spread items. It would be inappropriate, for instance, to use a relation to group 'All footpaths in East Anglia'." Similarly, holding "all street segments for which parking is allowed between 2 and 3pm on the island of montreal" in a relation strikes me as a bad idea. Substituting opening_hours = Mo-We 08:00-17:00; Th-Fr 08:00-21:00 to opening_hours:Mo-We 08:00-17:00 = yes opening_hours:Th-Fr 08:00-21:00 = yes would in my opinion lead to an inordinate number of subkeys. For example, in montreal alone, there are about 65000 different types of city parking signs. Let's say the number of individual distinct parking restrictions is only 10% of that, there would still be 6500 different subkeys (looking only at my city only). To make a long story short, this example, to me, shows that semicolon lists should stay in the tagging scheme. I would suggest discussing: A) For which keys and/or type of data are semicolon lists pertinent? B) How can semicolon lists be handled better in the different editors? as separate topics. Right now the two topics seem intertwined, which strikes me as less productive. With nothing but regards to all, Charles _______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging