[Tagging] Bus routes forward/backward

Jo winfixit at gmail.com
Mon Jul 11 07:32:57 UTC 2016


Hi Hans,

Yes, that describes version 2. It's the currently used version, so version
1 route relations should be converted to several version 2 route relations,
one for each variant of the line.

There are a few things I don't agree with on that wiki page, like including
all the stop_positions to each and every route relation. I prefer to keep
things simple and only add all the platform nodes in the correct order to
the route relations. (This doesn't work in places where the details for the
stops are being added to the stop_position nodes).

Relating stop_positions to platforms (and shelters, waste_baskets, benches)
is better done using stop_area relations. But there too, my preference is
to create one such stop_area relation per direction of travel. If it's  not
done that way, those stop_area relations don't fulfill the purpose I have
for them, which is to relate platform nodes to corresponding ways via the
stop_position nodes.

Since life is too short, we need a scheme that is as simple as possible and
we need automation. I'm taking care of the second part. Of course, we make
sure that it works with whatever scheme people want to use. It's mostly
designed to fix problems with routing, making sure they are continuous,
don't travel against one way traffic or over unsuitable highways/railways.

Polyglot


2016-07-11 10:45 GMT+04:00 Hans De Kryger <hans.dekryger13 at gmail.com>:

>
> https://wiki.openstreetmap.org/wiki/Proposed_features/Public_Transport#Route
>
> Is version 2?
>
> *Regards,*
>
> *Hans*
>
> On Sun, Jul 10, 2016 at 11:42 PM, Hans De Kryger <
> hans.dekryger13 at gmail.com> wrote:
>
>> Thanks Jo,
>>
>> Is there agreement on the forward/backward roles in PT2? By that i mean
>> completely phasing them out. Or is it still an open discussion?‚Äč I won't
>> add them anymore if the point is to phase them out.
>>
>> *Regards,*
>>
>> *Hans*
>>
>> On Sun, Jul 10, 2016 at 11:26 PM, Jo <winfixit at gmail.com> wrote:
>>
>>> Hi Hans,
>>>
>>> The semantics depend on public_transport:version.
>>>
>>> If 1 then yes.
>>> If 2 there should be no forward/backward roles anymore.
>>>
>>> Instead you add an ordered sequence of ways that is continuous.
>>>
>>> If you want a demo of how to map PT, we can do a hangout.
>>>
>>> Also, have a look at this:
>>> http://www.openstreetmap.org/user/Polyglot/diary/38980#comment35201
>>>
>>> Mapping public transport should become a lot more convenient by the time
>>> that GSoC project finishes.
>>>
>>> Polyglot
>>>
>>> 2016-07-11 10:08 GMT+04:00 Hans De Kryger <hans.dekryger13 at gmail.com>:
>>>
>>>> If i remove the forward/backward tag on a section of a way (part of the
>>>> bus route) does that signify the bus goes both ways?
>>>>
>>>> *Regards,*
>>>>
>>>> *Hans*
>>>>
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>>>
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>>
>
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