On 13/04/2019 09:52, Volker Schmidt wrote:
I have only now detected this (optional?) role value in route relations.
What's the purpose of this?
Or put in other words: I have a node tagged with
"information=guidepost". What is the difference between inserting it
in a route relation with or without "role=guidepost"
Without a role you have no idea how a guidepost or route_marker relates
to the route as a whole. Does it tell you how to go to the next bit?
Is it the start or the finish? Is it something else? Also, it's
possible for one guidepost or route_marker to have different roles
within different routes.
Here's one locally that I've tried to annotate with roles:
https://www.openstreetmap.org/relation/6563955
(see https://taginfo.openstreetmap.org/search?q=marker#roles for the
usage of those tags, or lack of them).
I suspect that "role=guidepost" is someone doing the same thing, but
only for guideposts.
Best Regards,
Andy
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