[Talk-GB] Ordnance Survey response (again)

Richard Fairhurst richard at systemeD.net
Tue Jan 19 13:51:54 GMT 2010

I wouldn't for a moment expect everyone to agree on the 1:25k and  
1:50k stuff. That's ok, you have the right to be wrong <grins, ducks  
and runs>

But, more seriously, I would draw your attention away from that and to  
the point about the Ordnance Survey's aerial imagery:

- OS has good aerial imagery
- OSM, Google Earth etc. demonstrate that tracing from aerial imagery  
is "additive" rather than "subtractive" - i.e. people like us often  
trace things that the professional surveyors don't
- OS doesn't need to fully release aerial imagery for it to be useful:  
they can simply "do a Yahoo" and enable others to trace from it via an  
API, as long as there are no restrictions on derived data

To my mind this could, and should, potentially be the biggest gain for  
OSM from the whole exercise.

If one bloke living in deepest darkest Charlbury says "you should do  
this" then DCLG is quite at liberty to say "yeah yeah yeah" and ignore  
the suggestion. But if lots of people ask, they will at least consider  

This is actually the sort of suggestion that works well in  
consultations - there's virtually no downside (OS and Getmapping still  
retain their business model), a lot of up, and good PR value.


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