[OSM-talk] Bing imagery

[andrzej zaborowski]

Hi,

On 11 February 2012 01:33, Andrew Errington <a.errington en lancaster.ac.uk> wrote:
> On Sat, 11 Feb 2012 04:03:01 Douglas Musaazi wrote:
> Don't forget- sometimes Bing imagery is not accurately aligned.  You should
> double-check the alignment of the images before tracing from them.  Potlatch
> and JOSM have tools which will allow you to move the images to correct the
> alignment.
...
>
> I have found that the offset from one area will work within a radius of about
> 50km, but it's worth checking in different areas.

Depends on the area, but there are places where the offset direction
is different at points just 5 km apart, in other words the image is
rotated, scaled, warped -- not only offset.

But the newly added Bing imagery is said to be rather well calibrated.

Cheers