[Talk-GB] Rendering national/regional walking trails

Paul Berry pmberry2007 at gmail.com
Fri Apr 21 10:47:15 UTC 2017


Hi Beth,

Roles apply to the members of relation (which are almost always ways), not
the relation itself, if that helps.

In theory a route such as this should be mapped as a parent route_master
relation with all variations of that route as child relations. In practice
this is somewhat rare:
https://wiki.openstreetmap.org/wiki/Relation:route_master

I assume you're looking at https://www.openstreetmap.org/relation/12145 ?

Regards,
*Paul*

On 21 April 2017 at 11:26, Elizabeth Oldham <beth at the-hug.org> wrote:

> I am trying to render the national and regional walking trails. These are
> done as relations, with tags like network=rwn so easy to pick out. When I
> render them I find there are alternative routes, as an example the Coast to
> Coast Walk splits into 3 at one point. Looking at the relation in josm I
> find they have a "role" of alternative, or main as appropriate.
>
> However, I don't seem to be able to get at the "role", and there is
> nothing else which distinguishes main from alternative routes - so I can
> render them differently.
>
> Have I missed anything obvious?
>
> Thanks
> Beth
>
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