Den 28.08.15 16.56, skrev Mateusz Konieczny:
On Fri, 28 Aug 2015 14:15:56 +0200
Anders Fougner <anders.foug...@gmail.com> wrote:
So we should consider replacing the tagging scheme with one which
isn't misunderstood so easily.
The use of access:foot=*, access:bicycle=* has been proposed at
<http://wiki.openstreetmap.org/wiki/Proposed_features/access_restrictions_1.5#Namespace>
but just not taken into use. It looks good, though...and wouldn't be
so easily misunderstood, I believe.
Why it would not be "so easily misunderstood"?
Well, I think it could be just because people intuitively think that
highway=path, bicycle=no means it's a trail not _suitable_ or
comfortable with a bike. The word access is simply not there, and then
they don't even think about that as a possibility. And, people not into
mountain biking might believe that trails are not usable or accessible
with bikes unless they are paved or otherwise designed for biking.
Similar to the bicycle access issue: If I run an overpass search for
"highway=path, ski=no", I get a whole bunch of hits in Norway.
100% of these are set by people who want to tell that "this is a trail
not commonly used for skiing" - i.e. not by people who want to tell that
"skiing is illegal on this trail". I've never been a place where skiing
is illegal. I think it's permitted even in the churchyard, on the
motorway (!) and on the soccer stadium - although people tend to not
bring their skis to these places.
Some of the other access tags (e.g. wheelchair=*) are also formally
interpreted this way (according to the wiki). When people put
wheelchair=no on a mountain trail (and this happens all the time...), it
is certainly *not* because using a wheelchair is illegal there - it's
because wheelchair users can't access this trail with their wheelchair,
since it's too difficult or unpractical. So it is pobably just a
different meaning of the word "access" in this case...
Deprecating extremely widely tag and introducing one that would
be more annoying to use (autocompletion problems) is pointless.
The bicycle tag is used a lot, but as long as it is used incorrectly
most of the time, it is useless in my opinion. Replacing something
useless with something better and useful, could be a good idea.
Can you find a better solution?
Another possibility could be to make the OSM editors generate a popup
every time people use an access tag like this, e.g. ask "Are you aware
that bicycle=* is an access tag, i.e. that setting bicycle=no which you
now tried, means that bicycles are forbidden on this path? Click OK to
confirm and keep the tag, click Cancel to delete the tag.".
But that would probably be more annoying than changing the tag to
something involving "access", "permitted" or something else implying
legal access.
Maybe the autocompletion problems can be avoided by changing the
autocompletion setting in the OSM editors (JOSM, iD, Potlatch) on forehand?
The proper way to fix this issue is to improve editors. For start - who
makes mistakes? iD users? JOSM users?
Everyone... ;)
/Anders
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