I agree maybe with the exeption of case like maxspeed François voltage is a good usecase to open an issue to the whised app.
Le 27. 07. 18 à 14:19, Andrew Hain a écrit : > My own preference is to have no (zero) units in the database, decimals > where wanted (maxwidth=2.2) and unit management support in editors. > > -- > Andrew > ------------------------------------------------------------------------ > *From:* Warin <61sundow...@gmail.com> > *Sent:* 27 July 2018 12:27:04 > *To:* tagging@openstreetmap.org > *Subject:* Re: [Tagging] Let's get (quite) rid of units and their > multiples in OSM values > On 27/07/18 21:11, Martin Koppenhoefer wrote: >> >> sent from a phone >> >>> On 26. Jul 2018, at 21:26, François Lacombe <fl.infosrese...@gmail.com> >>> wrote: >>> >>> I don't want to break things but only improve them, all the best >> >> one issue with using only one unit for a tag is that they can’t always be >> transformed without rounding. E.g. maxspeed=55mph cannot be converted to kph >> without losing information >> >> Also, shorter notations are better readable, hence reduce the likeliness of >> errors not noted. >> >> On the other hand, I agree in the example of voltage it would make it easier >> for queries to use the same unit. (you still can make queries, but they are >> more complicated if you have to take units into account) >> >> > > Unfortunately not everyone uses the same units... heights are in meters, > feet .. depending on where you come from or what activity you follow. > > Voltages are in volts so the same units... but multiplies are common for > high voltages .. no one uses 33000 volts .. they all use 33 kv. > If you stipulate that all voltages have to be in kv then 115 v becomes > 0.115 kv, 240 v becomes 0.24 kv and 415 v becomes 0.415 kv .. > that is not how people talk about these things. > > > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging > > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging > _______________________________________________ Tagging mailing list Tagging@openstreetmap.org https://lists.openstreetmap.org/listinfo/tagging
