[Tagging] Was public_transport=platform intended to always be combined with highway=bus_stop?

Warin 61sundowner at gmail.com
Sat Aug 3 00:47:36 UTC 2019


On 03/08/19 10:28, Joseph Eisenberg wrote:
> Many transit routing services use the GTFS standard for transit, which
> includes bus stops placed at the side of the road, not directly
> connected to any road line features. The routing engine just has to
> find the closest point on the transit routing graph by following
> highway=* ways.
>
> Consider also how you would route someone from a amenity=cafe node in
> a building to a shop=* area in another building across the city, by
> car. You have to jump from the node to the nearest highway, follow the
> highways to the other side of the city, and then jump back to the
> other node. So any router than can handle automobile directions can
> also manage bus stops or tram stops or platforms at the side of the
> road, without needing anything other than highway or railway ways and
> platform or bus stop nodes.
>
> I wasn't able to understand enough of the link about updating transit
> features in Warsaw to see how the stop_position nodes were useful. I
> understand that some transit agencies provide data about stop
> positions, and that's the original reason that the stop_position nodes
> were created. There's no problem with keeping them in your city if you
> like them, but probably we shouldn't tell new mappers that they are
> needed, for example in developing cities around the world that
> currently lack any bus stops.
>
> The complexity of the current system, as described on the main pages
> in the wiki, can discourage mapping anything (for example, I've been
> discouraged from trying to add any of the minibus routes in my part of
> Indonesia, since it seemed so complicated to make so many features and
> routes).
>
> Joseph

Your not the only one with that problem.

For my own purposes I came up with https://www.openstreetmap.org/user/Warin61/diary/45106

>
>
> On 8/3/19, Daniel Koć <daniel at koć.pl> wrote:
>> W dniu 02.08.2019 o 17:07, Markus pisze:
>>> On Friday, August 2, 2019, Daniel Koć <daniel at koć.pl
>>> <mailto:daniel at ko%C4%87.pl>> wrote:
>>>
>>>      Without using stop_positions, updating public transport routes in
>>>      a (semi-)automated way in a big city (like Warsaw) would be
>>>      impossible:
>>>
>>>      https://wiki.openstreetmap.org/wiki/User:MARC13/easy-routes
>>>      <https://wiki.openstreetmap.org/wiki/User:MARC13/easy-routes>
>>>
>>> Sorry, but i don't understand why this is impossible with only
>>> platforms but no stop positions.
>> Routing software is reliable only if it connects points on the roads.
>> How would you propose to do it without them?
>>
>>
>> --
>> "Pojechałam truizmem, ale mogę, bo jestem trochę pierdołą" [P. Potocka]
>>
>>
>>




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