[OSM-talk] Slight moan

Nick Black nickblack1 at gmail.com
Sun Jul 30 23:18:07 BST 2006


On 7/30/06, Barnett, Phillip <Phillip.Barnett at itn.co.uk> wrote:
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> Can anyone enlighten me as to who/what is responsible for the segment
> construction in London, in particular, Bloomsbury?
>
>  I've just deleted a route across Russell Square park - which, being
> charitable, might have been an attempt at a footpath, though it didn't match
> any of the actual marked footpaths in the park, and, more significantly,
> wasn't substantated by any raw GPS traces from the database. While slightly
> surprised by that, I then almost immediately found a meandering route
> through London University Senate House  nearby, which again doesn't
> correspond to real life (there is a path through the complex, but it's
> private, and doesn't go that way)
>  I've tonight just deleted yet another street adjoining Heathcote Street off
> Grays Inn Road, which neither exists in real life, nor in the GPS traces of
> OSM. What's going on?
>
>  And yes, I suppose you could say the system is working, as I'm picking up
> mistakes, but there's a lot more than I expected, and I'm being forced to
> remap the whole area as I don't really trust ANY of the data now.
>
>  Can someone  (Steve?) enlighten me? Were these streets all put in by some
> algorithm off the e-courier dat

So far as I know the E-Courier data only provides point data, no
processing is done to it to automatically produce segments.  I imagine
the problem is due largely to the density of streets in central
london, which is a hard area to map.

Nick

>
>  I know another user has similar issues in another part of London.
>
>  Apologies if I've upset anyone :-) Please Note:
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