Hi,
When I started mapping, someone told me that is good practice to set the
role to guidepost. Despite that validators don't like it.
I think it could helps sometime. But I have no example for it.
Marián
---------- Původní e-mail ----------
Od: Volker Schmidt <[email protected]>
Komu: Tag discussion, strategy and related tools <[email protected]>
Datum: 13. 4. 2019 12:11:19
Předmět: Re: [Tagging] What is the role of "role=guidepost"
"
But your example is different. You put the function into the name field. For
me the role of an object tagged information=guidepost is exactly that, a
guidepost. I am sure I am missing something, otherwise it would not have 50
k uses.
I admit to being Overpass-ignorant. Can someone help me find examples, where
a guidepost in a route relation has a role that is neither <empty> nor
"guidepost.
On Sat, 13 Apr 2019, 11:09 [email protected](mailto:[email protected]), <ajt
[email protected](mailto:[email protected])> wrote:
"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
(https://www.openstreetmap.org/relation/6563955)
(see https://taginfo.openstreetmap.org/search?q=marker#roles
(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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