On 16/07/2020 17:20, Alan Mackie wrote:
Maybe:
tourism=information
information=guidepost
?
https://wiki.openstreetmap.org/wiki/Tag:information%3Dguidepost
I don't know a way of recording the directions they point save via
destination_sign relations.
https://wiki.openstreetmap.org/wiki/Relation:destination_sign
On Thu, 16 Jul 2020, 17:00 Andy Mabbett, <a...@pigsonthewing.org.uk
<mailto:a...@pigsonthewing.org.uk>> wrote:
I've just come to map a fingerpost, never having had cause to add one
previously.
I had a look at this a while back because I was figuring out how to best
render stuff in the "information" space. "tourism=information;
information=guidepost" does seem to what people use for those, at least
in the UK.
The tricky bit is that in England and Wales at least what might be
described as a "fingerpost" might cover a whole range of things - it
might be (1) a bit of wood with "public footpath" written on it, or (2)
it might say "to St Gregory's Minster" or somesuch. It might be (3) a
route marker for a long or short distance path, or it might be a
combination of some or all of these. Even "simple public footpath
markers" vary hugely around the place (even just around what might be
called the West Mids) in terms of what form they take, how frequent they
are and what other information they carry.
https://wiki.openstreetmap.org/wiki/Proposed_features/Guidepost and
https://wiki.openstreetmap.org/wiki/Tag:information%3Dguidepost describe
what I might call "European" guideposts, which Andy's example might be
similar to from the description, but it's not much use with what I
suspect Phil was thinking about when he said "we tend to just use them
to confirm the legal status of a right of way".
The tag combinations in use seem to be a bit of a mish-mash (see
https://taginfo.openstreetmap.org/tags/information=guidepost#combinations
; unfortunately it looks like there aren't enough to get stats at
https://taginfo.openstreetmap.org.UK/tags/information=guidepost#combinations
). Where someone local to me added lots of "basic public footpath
signs" as "tourism=information; information=guidepost"I added a
"guidepost_type" tag to the ones that I knew weren't "just" public
footpath markers (see
https://taginfo.openstreetmap.org/keys/guidepost_type#values ). I
picked "guidepost_type"because I couldn't see another option available
and in use in England and Wales that could make that distinction - I'd
be happy to change that tag to something else if someone comes up with a
better option.
The idea is to make sure that there's enough information stored for a
renderer to be able to do different things based on whether an
"information=guidepost" (or an "information=route_marker") is one of
(1), (2) or (3) above or a combination, and to do different things with
it on that basis.
As an aside, I've been adding examples of (3) to the relevant relation
(see e.g. https://www.openstreetmap.org/relation/1996318 ) so that, come
the glorious day when I manage to set up a version of osm2pgsql that
supports doing something useful with that information you'll be able to
see not just that there's a guidepost here but that it's actually a
marker for XYZ long distance trail. See
https://pavie.info/2020/03/09/openstreetmap-data-processing-osm2pgsql-flex/
for a bit of info about that.
Best Regards,
Andy
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