[Talk-transit] London Bridge

Thomas Wood grand.edgemaster at gmail.com
Fri Sep 18 15:40:37 BST 2009

I've been pondering micro-mapping the carstop signs to mark where the
front of the train stops.
Indeed, I tried to collect this info for Wimbledon, but the GPS there
was too poor also.

2009/9/18 Peter Childs <pchilds at bcs.org>:
> 2009/9/18 Frankie Roberto <frankie at frankieroberto.com>:
>> 2009/9/18 Peter Childs <pchilds at bcs.org>
>>> Its very difficult as London Bridge is based on about 6 layers with
>>> random escalators, lifts and ramps connecting it up.
>>> I'm thinking the building should only cover parts with a roof on and
>>> hence really needs cutting up.....
>> Yeah, agree.
>>> Is there a marker I can put up to say where the trains actually stop
>>> and that you need to move down the platform.
>> Ideally, there should a way per railway track, and a way per platform (you
>> can map platforms as areas, but it seems to work better as linear ways).  If
>> there's a way that represents more than one track (eg two tracks running
>> between island platforms, add tracks=2).
>> Then, make a node on each track to represent where the trains stop. There
>> can be more than one of these if there are a few stopping points (eg
>> platform 1a, 1b).  Tag this railway=stop.
>> All of these stopping points, plus the platforms, plus the station building,
>> should then all belong to the station's relation
>> (http://www.openstreetmap.org/browse/relation/205097) - ideally add
>> role=stop to the stop nodes.
> Ok I spouse I need stop markers for different number of carriages.
> What about the back of the train?
> Also I guess we are going to need a tag to say "The last set of doors
> will not open" as the platform is not long enough.
> Maybe we should have door marks, ie Rather than say the train stops
> here say where the doors should be; I've seen these marked on the
> platform in some parts of the world and parts of the Tube have
> automatic doors fixed to the platform!
> Peter.
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Thomas Wood

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