Re: [Talk-GB] OSMUK local chapter

[Dennis Bauszus]

Yes. We do have hosting. Geolytix is sponsoring a 1GB cloud server with 
DigitalOcean. I have setup the one-click wordpress site for now but we 
can of course setup any combination of apps on that server.



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Re: [Talk-gb-london] London tube stations

[Harry Wood]

Hi Bjoern

I work for TransportAPI, and we're working on a project with TfL at the moment 
actually. TfL is like a massive government organisation though, so I have 
contact with one tiny part of TfL, which doesn't necessarily help. Also... 
because I'm working on a project, I have a set of priorities which we have to 
be seen to be working on, which doesn't necessarily fit with the conversation I 
would really like to have with them: "open data gimme gimme gimme!"  :-)  But 
obviously I'll be dropping OpenStreetMap into conversation whenever the 
opportunity arises!

A couple of years ago I had a brief interesting conversation with a TfL bigwig 
around the time they decided to swap all the web mapping operation to use 
google maps. They had been in conversations and negotiations with google about 
this (which is interesting in itself. Pretty sure google doesn't bother talking 
to most people, but I guess they do for someone the size of TfL). He seemed to 
suggest that the TfL folks were pretty anti-google and would've loved to choose 
OpenStreetMap, but "there's no clear contact point", in other words they 
couldn't get into the same kind of corporate conversation with OSM. Makes me 
wonder what kind of organisation could be formed to provide such a contact 
point (OSMUK?). In truth they could have had a pretty productive conversation 
with TransportAPI or ITOworld about this, but I guess they wanted some sort of 
more of a "horses mouth" conversation with map makers. Maybe it will always be 
difficult OpenStreetMap to provide that kind of corporate comfort blanket.

Anyway...  the data...

That's quite some detail in your "case study" there. 
http://bjohas.de/wiki/Maps/Kings_Cross.  I was going to link you to some 
interesting things, but I see you've found most of them at he links down the 
bottom.


One to add is this neat thing (not open data sadly) : 
http://stations.aeracode.org  3D spinny diagrams under some tube stations.

I came across that years ago, and pondered whether we might be able to generate 
something like that from OSM data. I dismissed the idea at the time because it 
seemed like too much detail, and too much messy data underground. But these 
days we're putting a lot of detail in, and talking a lot about accessibility 
mapping. I feel like we might be getting to the point where we could try it. It 
would reveal some interesting bugs and limitations of our level tagging I'm 
sure.


On the subject of detail levels, here's another neat thing (not open data 
sadly) : http://carto.metro.free.fr/cartes/metro-tram-london/
This raises a question which has always been a bit awkward in OSM data. The 
tube system is (so far... for the most part...) represented in OSM as single 
tracks.  This means we wouldn't be able to generate a map like that, which is a 
shame, although it makes the data much easier to work with for other purposes. 
I remember we used to also try to route the ways through a node for each tube 
station. I remember that was quite contrived at Baker Street where the 
platforms are near the surface and geographically quite spread out. These days 
we're just going for more detail, and grouping by a relation: 
http://osm.org/go/euu4Hn~xP--  ...I see that has meant a bits of the circle and 
metropolitan line end up being drawn in as dual tracks.

I guess the single vs dual tracks thing will become an issue when modelling the 
inside of *any* tube station, once you get down to the platform level. Maybe 
it's time we double-up on all the tube tracks. But I'm not sure. It'll get 
messy.

Deep 3D examples like Kings Cross are fun. But we also need to check breadth of 
data across the network. Starting with the basics, we're doing pretty well on 
station entrances: http://overpass-turbo.eu/s/h97 , but maybe not all of them.

Harry Wood


From: Bjoern Hassler 
To: talk-gb-london@openstreetmap.org 
Sent: Sunday, 3 July 2016, 12:30
Subject: [Talk-gb-london] London tube stations



Hi all,

I've got a couple of questions:

(1) Is anybody else interested in mapping some of the more complex London tube 
stations?

(2) Do any of you already have a relation / ongoing discussion with TFL?

Background: I've been mapping a few things in the King's Cross underground, 
mainly adding underground passages to get to platforms. If you're interested: 
I'm working on a write-up of the discussion on the tagging list, as a kind of 
"case-study", see http://bjohas.de/wiki/Maps/Kings_Cross. I'll contribute this 
to the OSM wiki once I've got clarity on all the tags, and will reference it 
from this page: 
https://wiki.openstreetmap.org/wiki/London_public_transport_tagging_scheme

On the whole, I was surprised that there don't seem to be detailed maps 
available (e.g. of King's Cross underground) that show access lifts, stairs vs. 
escalators etc. Such maps don't seem to be available from TFL or anybody else. 
The closest detailed descriptions seem to be 

Re: [Talk-gb-westmidlands] Wednesday meeting

[Eike Ritter]

I'll be there tomorrow as well.

Eike



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