[OSM-talk] Drop rendering of permissive access?

Simon Poole simon at poole.ch
Tue Jul 1 10:05:05 UTC 2014

~3700 access=destination that are guaranteed* to be wrong and that is
only for a small part of Europe (and yes it is practically impossible to
get access=destination plus exceptions right).


* foot and similar non-motorized modes of transportation access will
legally always be possible here, except in the case of access=private
(which should have been tagged instead if that is really the case).

Am 01.07.2014 11:18, schrieb SomeoneElse:
> On 01/07/2014 09:46, Simon Poole wrote:
>> Regardless of aesthetics, as pointed out here
>> https://github.com/gravitystorm/openstreetmap-carto/pull/371 the
>> current access renderings are misleading and entice wrong tagging.
> Playing devil's advocate here, how do we know this?  That information
> doesn't appear to be on the pull request.  What we have instead is
> "Given that most uses, particularly of access=destination are actually
> wrong (excludes access far all, including pedestrians for example)". 
> What it'd be useful to have instead would be:
> 1) some examples of where access=destination is wrong (i.e. there really
> is more than "destination" access for specific modes and that isn't
> tagged) to help understand what the problem is perceived to be.
> 2) either a measurement of how widespread the problem is, or a
> description of how to measure how widespread the problem is.
> Currently we don't have either of those - and without that there simply
> isn't the evidence to back up the proposed change.  That doesn't mean
> that it can't / won't be found (hence "playing devil's advocate") just
> that we don't know yet.
> Sometimes things that are "obvious" aren't actually true when you look
> at the data ("new iD users making more errors than new users of other
> editors" being an example of that, at least at the data that I looked at
> from England and Wales).
> Cheers,
> Andy

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