On 7 Sep 2009, at 21:48, Frankie Roberto wrote:
2009/9/7 Jerry Clough - OSM <[email protected]>
You're absolutely right. The Phoenix Park & Hucknall services are
distinct just sharing the running ways, but co-branded as NET-1. I
think some Hucknall line services terminate at Bulwell in the
evenings, but that's it in terms of complexity.
This same issue applies to most of the London Underground tube lines
as well - for instance the Central line has a few different
branches, but there's only one relation for the whole thing at the
moment (see list at http://wiki.openstreetmap.org/wiki/London_Underground_lines
)
Incidentally, I'm not sure whether, in the case of the London
Underground and NET1, it's worth also having a relation for the
whole 'network'. This is something I've started to do for some tram
networks (eg see the Croydon Tramlink at http://wiki.openstreetmap.org/wiki/United_Kingdom_trams
) but I'm not sure whether it's necessary or not (given that we
could just have a network=* tag on the separate relations).
I'd say either use the tags on the relations, or relations of
relations, rather than creating another relation for all the ways.
That said, it is kinda useful to be able to link to one relation for
the whole of the Central line, rather than having to
programmatically merge two together.
That's what computers are good at! Let them get on with it.
Shaun
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