[Talk-transit] Mapping Tram Lines
shaun at shaunmcdonald.me.uk
Mon Sep 7 22:43:12 BST 2009
On 7 Sep 2009, at 21:48, Frankie Roberto wrote:
> 2009/9/7 Jerry Clough - OSM <sk53_osm at yahoo.co.uk>
> 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.
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