[Tagging] Finger- or guide-post text
kevin.b.kenny at gmail.com
Mon Jul 20 03:51:05 UTC 2020
On Thu, Jul 16, 2020 at 3:33 PM Sarah Hoffmann <lonvia at denofr.de> wrote:
> On Thu, Jul 16, 2020 at 07:24:25PM +0100, Andy Mabbett wrote:
> > I am mapping a fingerpost, aka guidepost:
> > https://wiki.openstreetmap.org/wiki/Tag:information%3Dguidepost
> > I would like to add the inscription, for each of the three fingers,
> > with their compass points. I note:
> > https://wiki.openstreetmap.org/wiki/Key:destination
> > is similar but "destination:forward" and "destination:backward" are
> > meaningless in this context; and many finger posts have more than four
> > fingers, or fingers not at 90-degree angles to each other, or to
> > North. I propose something like:
> Please have a look at
> That's what it looks like in the wild:
> The schema is a bit verbose but it has the advantage that you can clearly
> mark which
> way the finger points to instead of giving compass degree approximations.
Thanks for the pointer; I'd missed that one!
Do I understand the intent correctly that the direction should be the way
that the finger is pointing, and not the cardinal direction of the route? I
ask because in the US, we often describe a direction as "trail north" or
whatever in that a hiker going 'northbound' on the route will be walking in
that direction - which may be any direction at all on the compass.
Following my accustomed habit of jumping right in with the awkward cases, I
might try to compose the relations for
that the top two signs are 'north' and the bottom two are 'south' in terms
of trail directions. The post is mapped
https://www.openstreetmap.org/node/4987311715 "Trail north" on the
Appalachian Trail at that point is approximately southeast. (What the
compass says, I'm not sure. At that point, you're standing on top of an
abandoned iron mine and your compass could be pointing in any direction.)
Simply having "to" as a distant node could yield a horribly misleading.
Oh, wait, 'to' is the next node along the way, not the ultimate
destination. Is there a way to give a node ref for what the 'destination'
corresponds to? On the sign in question, it might be nice to be able to
indicate where Wawayanda Shelter is, since it's about 40 km distant. On my
screen, you have to go out to z12 to see both it and the guidepost pointing
to it, but the icons for them don't appear until z16 and you need to go to
z17 to see the name.
73 de ke9tv/2, Kevin
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