[Talk-transit] London Bridge

Shaun McDonald shaun at shaunmcdonald.me.uk
Fri Sep 18 18:05:17 BST 2009

On 18 Sep 2009, at 17:42, Peter Miller wrote:

> We then have enough information for people to play trains!
> If the station has multiple levels then each element should have a
> layer tag and we will need to consider how one manages a single level
> (concourse) where one side has a level entrance to the outside world
> layer=0? and the other side is up a load of steps to the concourse and
> could be considered layer=1 I guess we just choose a set of layers we
> will use and then join them to the outside world with a 'footway' or
> with 'steps'
> For a lift we use a node with multiple layer numbers highway=lift?
> layer=0,1,2?

You need a way with 2..n nodes (one for each layer) which are almost  
on top of each other. This will mean that the lift will be routable.


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