On 02/12/2011 04:31, Josh Doe wrote:
On Thu, Dec 1, 2011 at 10:37 AM, Martin Koppenhoefer
<dieterdre...@gmail.com> wrote:
2011/12/1 Martijn van Exel<m...@rtijn.org>:
Is there a specific tag for a wheelchair ramp that is not part of a
steps feature?
I agree with Martin and others, it is a separate feature, but I do
think that it's also a distinct feature type and thus warrants its own
highway type, therefore I am going to go ahead and use
highway=access_ramp as David proposed.
I agree that it might be desirable in some contexts (mainly
statistics) to be able to identify these ramps distinctly, but for
most contexts including routing it is the same as a footway. If you
use a dedicated, low-use highway-tag you will risk to not get this
feature evaluated at all (what is not desired here, IMHO). I suggest
to use a subtag/attribute instead.
+1. I don't see the value in adding a new highway value. How do you
differentiate a ramp intended for the disabled and one intended for
all travelers? Thus I don't see it is substantially different than
highway=path. I'd favor highway=path + wheelchair=yes, and if you'd
like throw on access_ramp=yes as well which can give you special
rendering and stats if you'd like.
I really don't care what the tagging is, so long as
(a) there is a reasonable consensus
(b) it represents the distinctive features of the object, and
(c) it is documented
(d) it doesn't keep changing
The trouble with asking is that you get as many suggestions back as
there are people listening, and then it goes quiet and you're no further
forward.
highway=access_ramp was the only remotely documented feature, even then
as a proposal, so that was what I used. If there is an agreed,
documented alternative I will alter the ones I've done, but I need to
record the ones I have now. The trouble with changing anything later is
that it means all the consumer software that does know about tags in
common use then has to change.
By the way, I think one distinctive feature of these ramps is that while
anyone _could_ use them, by and large they wouldn't as they are nearly
always provided as an alternative to a non-wheelchair-accessible route
(usually steps). And they are quite distinct from paths visually, even
if they aren't for routing purposes - if you asked someone what that
was, they wouldn't say 'it's a path' or even 'it's a path adapted for
wheelchair use', but 'it's a ramp for wheelchair use'.
Also, my use of these is in micro-mapping buildings and surroundings, so
I may be recording at a level of detail that others aren't when talking
about paths etc.
David
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