On 2016-03-07 12:11, Martin Koppenhoefer wrote: > 2016-03-07 7:50 GMT+01:00 Warin <61sundow...@gmail.com>: > >> For example at present a mapper adding tags to a sewing shop that sells >> sewing machines can have >> >> paff=yes ... that makes no sense unless you know Paff make sewing >> machines. >> >> gutenberg=yes ... makes no sense unless you know they make thread... but it >> is also a project for copyright free books ... >> >> husqvarna=yes ... makes both motorcycles and sewing machines ... does this >> mean both are sold here? > > this kind of tag is quite bad I think, because it doesn't convey a meaning in > a semantic sense. They don't say what "pfaff=yes" means, and there can easily > be cases of ambiguity because they are too short / universal in meaning. > Better use brand=Pfaff so you know at least that "Pfaff" is a brand (even if > you don't know them) and not a means of transport, an access restriction or a > shop type, or whatever. > > You have asked about the property "sells=motorcycle;yamaha" on a > shop=motorcycle. My stance is that this would better be tagged as > "brand=Yamaha". "sells=motorcycle;yamaha" doesn't make much sense to me (they > sell motorcycles and yamahas?). I would only use this in case it is an > authorized dealer (or in other words: you can see from the outside that this > is a Yamaha shop, it has a sign written "Yamaha" on it, people can use this > information to recognize the shop, etc.).
Putting brand=X on a shop would indicate the branding of the shop, not necessarily the brands which are sold within. These days (certainly in the 4-wheeled world) we are seeing less single-branded shops/showrooms and more independent multi-brand outlets. The tagging of makes of bike on a shop therefore needs to be multi-value-capable. How about products:motorcycle:yamaha=sales;maintenance;spares ? > Cheers, > Martin > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging
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