[Tagging] Trailhead tagging

Peter Elderson pelderson at gmail.com
Fri Jan 4 13:28:37 UTC 2019

I'm trying to go for the minimal tagging that supports the most of the use
cases. Which is a node tagged highway=trailhead. It's up to mappers /
communities if and how they will apply and embed that according to local,
regional or country-specific needs or definitions. Or maybe decide it's not
useful in that situation at all.

If that's in place, rendering on much used maps and usage for
applications/websites is possible. I think it's useful and will promote it
as the next step, but it's up to the renderers and data users to decide.

Once that has been achieved, we can discuss expanding to include trailhead
areas, trailhead site relations to show which facilities, amenities and
route types the trailhead sports, etcetera. I think the defintions thing
will play a heavy role there... looking forward to it, because that's much
more interesting than minimal tagging. Could be that the Dutch trailheads
would have to be re-defined and retagged as sites of type trailhead or TOP
or whatever: if that is the consensus outcome, I will gladly do that for
this country. I'm a hikerbikertrailliker, so it's sort of my thing.

That's how I think to move this thing forward. If we start with the in
depth discussion of all aspects, nothing's gonna happen.

Op vr 4 jan. 2019 om 13:55 schreef Marc Gemis <marc.gemis at gmail.com>:

> On Fri, Jan 4, 2019 at 1:10 PM Peter Elderson <pelderson at gmail.com> wrote:
> >
> >
> >
> > Op do 3 jan. 2019 om 13:22 schreef Marc Gemis <marc.gemis at gmail.com>:
> >>
> >> I wonder why it is under "highway", it seems more related to "tourism"
> >> / "information".
> >
> >
> > Current usage: https://taginfo.openstreetmap.org/tags/highway=trailhead
> >
> > Overpass shows most usage is in the US, Canada and Japan, now also
> Nederland, and some in Italy.
> >
> > highway can be applied to nodes and ways, and it compares nicely to
> highway=bus_stop. A trailhead is then seen as a "trail stop" for trail
> "passengers".  I think that's why it was chosen in the trailhead proposal.
> I saw no compelling reason to change that, even though I can see your
> argument to use tourism=.
> >
> > Advantage of highway= is that you can still add the tourism= key for an
> information board if it coincides with the trailhead.
> >
> > Do you see an actual problem with this usage?
> since the "key" is not really that important IMHO, I'm fine with "highway"
> >> Another problem I see is that there is no other definition for
> >>
> >> trailheads in The Netherlands than "location being picked by the
> >> tourist agency as trailhead" or better "location being designated by
> >> the tourist agency as TOP"
> >> It seems to me that any other definition means that one has to map
> >> many more places in The Netherlands as trailhead or that some of the
> >> "picked by tourist agency" are not a trailhead.
> >
> >
> > Lots of places give access to trails, of course. But if they are not
> visibly designated/designed and operated (not just picked!), I would not
> map those places as trailheads. No one has to do that. On the other hand,
> in other countries useers may see fit to map those kind of locations as
> trailheads, because they want to search/list them and see them on a map.
> I am not convinced that your definition of trailhead as a placed
> selected by the tourist agency for their "TOP" list of places is
> compatible with the attempts you and others made to define trailhead.
> If it's incompatible because you require less or other characteristics
> I see that as a problem.
> And what if someone maps those trailhead-like places that you do not
> consider as trailheads ? Is your list broken ?
> Extra question:
> How do you determine the facilities of a trailhead if that is mapped
> as a point ? Does one have to do a "in the neighborhood of" query ? Or
> would it be better to map the trailhead as an area or site-relation to
> explicitly map what belongs to the trailhead and what not ?
> m.
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Vr gr Peter Elderson
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