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 <pelder...@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 <winfi...@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 <ok...@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 <61sundow...@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. >>>> >>>> _______________________________________________ >>>> Tagging mailing list >>>> Tagging@openstreetmap.org >>>> https://lists.openstreetmap.org/listinfo/tagging >>>> >>>> >>> >>> _______________________________________________ >>> Tagging mailing list >>> Tagging@openstreetmap.org >>> https://lists.openstreetmap.org/listinfo/tagging >>> >>> >> >> _______________________________________________ >> Tagging mailing list >> Tagging@openstreetmap.org >> https://lists.openstreetmap.org/listinfo/tagging >> >> > > > -- > Vr gr Peter Elderson >
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