[Tagging] roundtrip

[Jo]

I don't see a problem with adding tags that enable validation to be
performed, even if it means some redundancy in the data. But I may have
misinterpreted the roundtrip tag myself.

Jo

2018-05-25 11:52 GMT+02:00 Peter Elderson <pelderson at gmail.com>:

> Isn't that should-be tagging for the validator? I don't know if that's
> less frowned-upon than tagging for the renderer...
> Besides, if you derive the tag from your tagging tool, couldn't the
> validator do that directly?
>
> 2018-05-25 11:15 GMT+02:00 Jo <winfixit at gmail.com>:
>
>> I tend to use roundtrip=yes when (after fixing) a route relation gets
>> this double way icon next to the ways, instead of a single vertical line
>> (JOSM only ofc).
>>
>> If we all start using it that way, we could create a validator rule for
>> checking the relation is still 'all right'.
>>
>> Polyglot
>>
>> 2018-05-25 11:10 GMT+02:00 Johnparis <okosm at johnfreed.com>:
>>
>>> Interesting.
>>>
>>> Similarly, a route that is not closed can be a roundtrip. The start and
>>> end points might be several meters apart, even on different roads, yet
>>> serve the same destination. There are a few (very few) examples I have
>>> found in the Paris area. Here's one. It's not marked roundtrip=yes but
>>> probably should be:
>>>
>>> https://www.openstreetmap.org/relation/8140184
>>>
>>> I agree that this tag seems to be of very limited usefulness, though I
>>> confess to having used it on occasion.
>>>
>>>
>>> On Fri, May 25, 2018 at 10:55 AM, Warin <61sundowner at gmail.com> wrote:
>>>
>>>> On 25/05/18 15:48, Peter Elderson wrote:
>>>>
>>>> What is the use of the key:roundtrip?
>>>> Explanations just say
>>>> roundtrip <https://wiki.openstreetmap.org/wiki/Key:roundtrip>=yes/no (optional)
>>>> Use roundtrip=no to indicate that a route goes from A to B. Use
>>>> roundtrip=yes to indicate that the start and finish of the route are at the
>>>> same location (circular route). It seems rather pointless to tag an
>>>> obvious a-b route with roundtrip=no, or an abvious roundtrip with
>>>> roundtrip=yes.
>>>> Why would you tag an a-b route as roundtrip=yes, or a closed route as
>>>> roundtrip=no?
>>>>
>>>>
>>>> A route that is 'closed' can be a non round trip.
>>>> For example the bus only does one circuit then goes on to another route
>>>> elsewhere. This can be done to provide services to both that route and to
>>>> other parts of the community with other routes.
>>>> There may not be enough demand for a continuous circuit to be viable.
>>>>
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>>>>
>>>>
>>>
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>>>
>>
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>
>
> --
> Vr gr Peter Elderson
>
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