I'd say the first picture is a flush kerb followed by a ramp. On 7 January 2018 at 20:12, Selfish Seahorse <selfishseaho...@gmail.com> wrote:
> Not, it's not ideal, you are right. It's just an idea to create some > order, because the current kerb scheme isn't ideal either. Even if > only three out of four wheelchair users were satisfied with > `mountable`, `semi-mountable` and `non-mountable` this would be a step > forward, in my opinion. Besides, I didn't think of these values to be > a replacement for kerb:shape, but an addition. > > However, if we want to make the current scheme more usable, it is > necessary to also specify the angle of inclination for sloped kerbs > (and maybe kerb ramps too). Compare the following two kerbs, which > have the same shape, but a different level of accessibility: > > <https://wiki.openstreetmap.org/wiki/File:Sloped_kerb.jpg> > <https://wiki.openstreetmap.org/wiki/File:Kerb-45deg.jpg> > > Regards > > On 7 January 2018 at 19:15, Nick Bolten <nbol...@gmail.com> wrote: > >> * `mountable`: mountable for wheelchairs and vehicles (...) > > > > While this may seem easier to tag on a first pass, it's not ideal, as > it's > > making a broad-brush executive decision about accessibility on behalf of > > others. I'm also not sure how it's different from wheelchair=yes/no > combined > > with access=* tags. Describing neutral on-the-ground conditions is > better, > > both for accessibility and general use by all mappers/data consumers. > > Examples: > > > > - Athletic manual wheelchair users can mount moderate-height raised > curbs. > > - Adventurous manual wheelchair users may want to use driveways as well, > > where it may not be intuitive to always map accessibility, but does make > > sense for a curb interface. > > - Most electric wheelchairs can't handle moderate-height raised curbs. > > - Souped-up electric wheelchairs can handle even fairly high curbs. > > - People with impaired stability may strongly prefer moderate-height > curbs, > > but don't care about the shape. > > - A white cane user may want to know whether to expect a certain curb > shape > > for navigational purposes. > > - What about `semi-mountable version 2`, curbs mountable by souped-up > > electric wheelchairs but not other vehicles? > > > > These users can all be accommodated by curb shape and height tags, and > most > > can be mostly-accommodated just with curb shape. This is also one of the > > reasons very few wheelchair maps exist: if you state 'here's the places > all > > wheelchairs can go' you'll get a lot of very different complaints, both > > about not having enough possible routes ('I don't care about curb ramps, > > just tell me where big displacements and driveways are') and also too > many > > ('I can't handle 8 cm displacements, and this rolled curb kept me from > > making my trip'). > > > > Best, > > > > Nick > > > > On Sun, Jan 7, 2018 at 9:15 AM Selfish Seahorse < > selfishseaho...@gmail.com> > > wrote: > >> > >> On 29 December 2017 at 01:41, Warin <61sundow...@gmail.com> wrote: > >> > kerb:shape=* would be better as it suggests what is to be tagged. > >> > >> Thus, `kerb=*` values could be replaced with: > >> > >> * `mountable`: mountable for wheelchairs and vehicles > >> * `semi-mountable`: not mountable for wheelchairs but mountable for > >> vehicles > >> * `non-mountable`: neither mountable for wheelchairs nor vehicles > >> > >> _______________________________________________ > >> 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 >
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