Do note that fire hydrant plates depict opening direction, so if we would need to store direction to close, a mapper would yet again need to do mental work, that is not error prone and confusing. On Wed, Oct 10, 2018 at 12:31 AM François Lacombe <fl.infosrese...@gmail.com> wrote: > > The question about the opening direction should be propagated to this draft > proposal regarding pipeline valves > https://wiki.openstreetmap.org/wiki/Proposed_features/Pipeline_valves_proposal > > I thought about turn_to_close=clockwise / anticlockwise > Whatever the final answer will be, this definitely have to be the same key > and values on both fire hydrants and any kind of pipeline valves. > > The proposal can change at anytime until RFC. > All the best > > François > > Le mar. 9 oct. 2018 à 23:13, Paul Allen <pla16...@gmail.com> a écrit : >> >> On Tue, Oct 9, 2018 at 9:34 PM Viking <vikin...@tin.it> wrote: >>> >>> >>> As we did for most of the tags in [0], I would not use fire_hydrant: prefix >>> because we want a slim >>> >>> database and because opening:direction=* is (or can be) used for other >>> objects, as doors, taps, etc. >> >> >> There are differing viewpoints on this. >> >> 1) Minimize database keys by applying them as widely as possible. So >> opening:direction applies to >> doors, taps, fire hydrants, etc. Database designers might think this way, >> as might most ordinary >> mappers and most programmers. >> >> 2) Don't re-use keys in this way because you end up with different sets of >> values that apply in >> different situations. People who program map editors tend to think this >> way. Each time you use >> opening:direction for a different type of object the programmer has to >> special-case the set of possible >> values based on the associated values in order to populate drop-downs. If >> you're mapping a >> tap you want the choice of opening:direction to be limited to clockwise and >> counterclockwise and >> not be confused by also seeing inwards and outwards; but for doors you want >> inwards and outwards >> but not clockwise and counterclockwise (unless it's a rotating door). >> >> I can see merits in both viewpoints. The people who write map editors tend >> to win these arguments >> because most mappers choose from what the editor presents to them. :) >> >> -- >> Paul >> >> _______________________________________________ >> Tagging mailing list >> Tagging@openstreetmap.org >> https://lists.openstreetmap.org/listinfo/tagging > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging
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