[Talk-transit] London Bridge
shaun at shaunmcdonald.me.uk
Fri Sep 18 19:00:56 BST 2009
On 18 Sep 2009, at 18:29, Peter Miller wrote:
> On 18 Sep 2009, at 18:05, Shaun McDonald wrote:
>> 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
>>> (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
>>> could be considered layer=1 I guess we just choose a set of layers
>>> 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?
>> 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.
> Sounds like tagging for the router to me which I guess is just as bad
> as tagging for the renderer. Should we not tag it as it is and the
> politely request that the routers accommodate it?
It is not tagging for the router. It is tagging it the way that it is.
i.e. there is a connection between the 2 floors, thus so there needs
to be a way added to connect them.
> We are also going to need to politely ask the guys who develop the
> editors to make it possibly to edit in 3D by picking a layer to work
+1 I think it's Japanese cities that really need it more than the UK.
> Let's start by modelling it well and then see if we can get the tools
> to catch up although.... it might be useful to tag one station as you
> propose just to test the router navigating from Piccadilly underground
> platform 1 on level -6 to main-line platform 3 on level 1!
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