[Openstreetmap] Tunnels

[Tom Carden]

On 10/6/05, Erik Johansson <erjohan at gmail.com> wrote:
>
> 2005/10/6, Andy Robinson <Andy_J_Robinson at blueyonder.co.uk>:
> > Ok, so I am a tunnel engineer so I should have some ideas on how to map
> > tunnels - but I don't. No gps down there of course. Let's see who can
> come
> > up with the craziest ideas!
>
> 7. Use a car with a couple of accelerometers, odometer and a GPS
> coupled to a computer. Strange stuff can happen when
> navigationsystems in cars are exposed to tunnels, they can't really
> decide on which street you are on, even if they have all that.

 Yeah, that would be my suggestion too. There has been talk of using
accelerometers and dead-reckoning between a few OSM-heads here in London for
mapping the tube. The idea's out of the bag now!
 You could also try and do it by hand (the "meat accelerometer")...
http://rodcorp.typepad.com/rodcorp/2005/04/accelerometer_d.html
 ;)
 Best,
 Tom.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/talk/attachments/20051006/0c02cef9/attachment.html>