[OSM-talk-be] Lost property: one forest, messages, Bing

A.Pirard.Papou A.Pirard.Papou at gmail.com
Wed Nov 14 07:49:01 UTC 2012


On 2012-11-13 21:21, Renaud MICHEL wrote :
> That's me, I generally answer the messages I receive via OSM, I just 
> checker and I had forgotten one (3 months ago), but I don't think it 
> was from you. 
I'm glad I've found you here because I've already met you in many places 
on the map as a very active person, congratulations.
I may be mistaken because I have sky high piles of e-mail.
I'll contact you privately when I have time.
> I know, but I have compared bing image position with GPS traces and, 
> at least near Liège, it is quite accurate (to a few meters). Actually, 
> the old yahoo images that were used some years ago were a lot less 
> accurate And I had to reposition them according to (my and other's) 
> GPS traces. 
I'm sure you're doing your best, but the problem for everybody is that 
Bing just *cannot* be accurate *where* it has two different offsets 
according to zoom.  I have read that different zooms may even mix 
pictures taken at very different dates, so that things may even 
disappear by zooming (would people start (or stop?) swallowing drugs 
because of that?).
The best idea is to always remember to zoom Bing to check what one has 
traced.
And to keep named JOSM offset corrections of the places where you have been.
And to warn people, that's what I'm doing.

Cordialement,

André.


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