Hi André,
Am 01.06.2014 20:49, schrieb André Pirard:
High,
During the discussion of this tag, it was said that a sure culprit for
incorrect noexit=yes tags, is a misleading phrasing
Use the noexit=yes tag at the end of a highway
http://wiki.openstreetmap.org/wiki/Key:highway=* to indicate that
there is no possibility to travel further by any transport mode along
a formal path or route.
and that, this sentence being the first one, they read just that and
ignore the warnings and tag noexit=yes on any dead end as said.
Hence, it was decided to put the warnings first and to rewrite that
phrase in a more precise way:
Use the *noexit*=yes tag on the node Node
http://wiki.openstreetmap.org/wiki/Elements#Node at the end of a
highway http://wiki.openstreetmap.org/wiki/Key:highway=* to
indicate when doubtful that the impossibility to travel further by
any transport mode is perfectly normal, due to otherwise existing
road layout.
Without any warning, Floscher
http://wiki.openstreetmap.org/wiki/User:Floscher put the misleading
sentence back to the beginning, duplicating the correct version below.
So, I removed that phrase to conform to the decision to explain that
tag correctly instead of misleadingly.
Sorry, I didn't realize that it's an ambiguously worded duplicate of the
usage-paragraph. My main intention was to remove the parts, which said
that noexit=yes should be used on ways (which were added by you).
I thought there was sort of a consensus that it should not be tagged on
ways, so I simply changed the page. I didn't want to start another large
discussion like in March/April on Talk-de and Tagging (in which I both
participated), because I think most of the points were discussed
extensively there.
He restored the icons that I had restored myself to node only but
that Pieren had set to node+way.
Do you find that good or bad?
He also removed my sort of acknowledgement that noexit=yes is
effectively being tagged on ways and which was the right place to say
that it must *not* be done. I don't mind that removal at all, but you
should bulk erase the noexit=yes tags on ways and explicitly say that
they must not come back.
When I see that first phrase, that the When *not* to use § does not
mention on ways but on waterways and railways and that Rendering
says When tagged on a node... I wonder if all those gotchas are not
made on purpose.
I can't find any sentence in your version, that is saying, that the
tagging on ways must *not* be done. It just said, that noexit=yes can
be tagged on ways and/or on nodes.
In my opinion the main purpose of the wiki is not to document tagging
trends, but best practices for tagging. I don't see the necessity for
adding a sentence stating that in the past it was used on ways, but if
you see this necessity, feel free to add such a sentence.
You are right, that the paragraph When not to use should mention the
ways. Thus I've changed the page again and added a sentence to that
paragraph, stating that usage on ways is discouraged.
Well, I finally put this at the beginning:
Read important warnings first, then read tag syntax in paragraph
*Usage*.
Do not use this tag on ways (only on nodes).
There's little excuses any more.
I've moved the second sentence to When not to use, as you suggested above.
Last thing: many people believe that road signs (and other funny
things) are used by router software (and this is not encouraging at
all to believe in OSM GPSes). They want to, and do, tag the dead-end
road sign whose icon German dead-end sign
http://wiki.openstreetmap.org/wiki/File:Zeichen_357.svg is used by
this page to render the other road end. Expect that icon to pop up at
both ends of the ways for added fun one of these days ;-)
This is mentioned and discouraged in the opening text.
See you at the next noexit=yes on ways discussion.
See you,
Florian
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