[talk-ch] Is it possible to adapt the "to" member of a "destination_sign" tag?

Raphael dafadllyn at gmail.com
Sun Jan 9 17:21:49 CET 2022


On Sun, 9 Jan 2022 at 12:01, Sarah Hoffmann <lonvia at denofr.de> wrote:

> > https://commons.wikimedia.org/wiki/File:Chemin_p%C3%A9destre_-_Poteau_inducteur_-_L%27Arpille_-_Alpage.jpg
>
> The destination_sing relation documents a via point to use for that.

Correct URL: https://commons.wikimedia.org/wiki/File:Chemin_p%C3%A9destre_-_Poteau_indicateur_-_L'Arpille_-_Alpage.jpg

A `via` role isn't needed in the above example because Col de la
Forclaz points to the same direction three times. The guidepost
indicates three possibilities to reach Col de la Forclaz and gives
their hiking time. That is, the three possible routes to reach Col de
la Forclaz begin with the same path and branch off at another place
(that certainly has another guidepost).

By the way, the `via` role isn't supported by both [Waymarked
Trails](https://waymarkedtrails.org/) and Mueschelsoft's [destination
sign tool](https://osm.mueschelsoft.de/destinationsign/). However,
even in situations where a guidepost doesn't point in the direction of
a path that begins at the intersection next to the guidepost – like in
the example below –, it's direction can correctly be represented by
adding a node with the role `to` of the more distant path to the
`destination_sign` relation. Thus, there is no need for `via` role.

https://www.openstreetmap.org/relation/13347671

Best regards


Raphael


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