[Tagging] Route members: ordered or not

[James]

bus route relations can get very complexe if they are not ordered. I order
them to make sure I haven't missed anything

On Thu, May 3, 2018, 11:28 AM Yves, <yvecai at gmail.com> wrote:

> Un-ordered route members make it very hard to detect a broken route.
> Best practice :
> 1. If you edit a route, order it at best and check if you haven't broken
> it.
> 2. If you find an unordered route, order it, check if broken and try to
> repair it.
>
> Use for instance http://ra.osmsurround.org/.
> Yves
>
> Le 3 mai 2018 17:05:32 GMT+02:00, Michael Andersen <osm at hjart.dk> a écrit
> :
>>
>> I regularly edit a number of cycle routes (primarily the danish national
>> cycleroutes) and do my best to sort/order the members (it's helpfull when
>> looking for gaps and other peculiarities in JOSM), but have found that it's
>> often near impossible to make them perfectly sorted.
>>
>> Consider for example https://www.openstreetmap.org/relation/20828. Where's the
>> end points here?
>>
>> Also note that inexperienced mappers doing minor edits somewhere along a route
>> cannot be expected to reorder it.
>>
>> On torsdag den 3. maj 2018 07.38.04 CEST Tod Fitch wrote:
>>
>>>  While I’ve mapped a number of trails most of them are not part of a
>>>  designated larger route so I am not 100% sure, but I think hiking routes
>>>  are much like highway routes: The ways in the relation should be ordered.
>>>
>>>  Not sure why you’d need a node in there, especially without an explicit
>>>  role. If the route ways are ordered it is obvious where the end points are.
>>>
>>>  Cheers!
>>>
>>>  On May 3, 2018, at 5:06 AM, David Marchal <Penegal at live.fr> wrote:
>>>>
>>>>  Hello, there.
>>>>
>>>>  I recently worked a bit on hiking routes, and noticed that some routes
>>>>  have unordered members. That's particularly noticeable on
>>>>  waymarkedtrails.org <http://waymarkedtrails.org/>, as it makes the
>>>>  elevation graph rubbish and useless. I read the relation:route wiki page,
>>>>  but there is only advice regarding stops order, and not way members
>>>>  order. Shouldn't there be a note on this page regarding the importance of
>>>>  sorting the ways to have a more useful relation than only spaghettis?
>>>>
>>>>  By the way, I saw some hiking relations having a node without explicit
>>>>  role, seemingly as a start point; is it a generally accepted, used
>>>>  feature, or only an idiosyncrasy?
>>>>
>>>>  Awaiting your answers,
>>>>
>>>>  Regards.
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>>>
>>
>>
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> Yves
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