[Tagging] Bus route relations. Forward/backward tag

Jo winfixit at gmail.com
Mon Feb 16 13:24:19 UTC 2015


Yes, I'm reconsidering my POV. It will probably make sorting the members
automatically a lot easier than it is atm.

/me is off to go and convert some route relations... :-) (Helped by a
script ofc, doing it manually is a chore. So I'll adapt the script and let
you know when it's ready to be used.)

Jo

2015-02-16 13:03 GMT+01:00 fly <lowflight66 at googlemail.com>:

> There are still cases where forward/backward are useful with P2-routes.
> E.g. a route with a loop and some members used twice but different
> directions.
>
> Personally, I still use forward/backward on any member of a route which
> is only used in one direction and for all P2-routes as it makes it much
> easier to get the direction of the route with incomplete data.
>
> cu fly
>
> Am 16.02.2015 um 08:40 schrieb Jo:
> > On the one hand I'm not adding roles to the ways in PT routes relations
> > anymore, instead I add all the ways in the correct order. Some ways are
> > included twice.
> >
> > But if you prefer to add them, you have to know forward/backward relates
> to
> > the direction of the way itself. If it follows the arrow: forward, if it
> > goes against it: backward. If you do it right, JOSM is able to sort your
> > ways automatically.
> >
> > If you're still on the v1 scheme, where there is only one route relations
> > doing a futile attempt to describe all variations, I suggest you switch
> to
> > the new scheme where a route_master describes the line and route
> relations
> > describe each variation from beginning to end.
> >
> >
> > This is how we do it in Belgium:
> > http://www.openstreetmap.org/user/Polyglot/diary/28401
> >
> > There are some links to Youtube videos included in that article.
> >
> > 2015-02-16 5:52 GMT+01:00 Hans De Kryger <hans.dekryger13 at gmail.com>:
> >
> >> Me and a fellow mapper are adding bus routes to are city and are
> confused
> >> about
> >> ​ the Forward/backward tag you use on relations. I think I'm using it
> >> right yet every time i check ​ÖPNVKarte, it shows the route going the
> >> opposite way in which i intended. Just looking for any help i can get.
> I'm
> >> quite confused on the usage of the tag especially the use of it on a two
> >> way street. Which way is forward and which way is backward. Thanks in
> >> advance.
> >>
> >> ÖPNVKarte
> >> ​ - (​
> >> http://xn--pnvkarte-m4a.de/
>
>
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