[HOT] OSM Tasking manaager #1129 imagery priority

Jean-Guilhem Cailton jgc at arkemie.org
Sat Feb 20 15:08:50 UTC 2016


Hi Mike, and David,

In JOSM, if I right-click on the Bing imagery near the location given by
David, and choose "Display tile information", it shows that capture date
was: 4/6/2011.

So, if we trust the metadata, Bing imagery is older than the date
mentioned for WorldView-2. The two small buildings described by David
may have been destroyed in the meantime.

Best regards,

Jean-Guilhem


Le 20/02/2016 15:24, Mike Thompson a écrit :
> John,
>
> I agree the most recent imagery should be used, but how do we know the
> collection date for the Bing imagery?
>
> Mike
>
> On Sat, Feb 20, 2016 at 7:14 AM, john whelan <jwhelan0112 at gmail.com
> <mailto:jwhelan0112 at gmail.com>> wrote:
>
>     I imagine the most recent imagery should be used.  Some imagery is
>     quite old so more buildings may have been built.
>
>     Cheerio John
>
>     On 20 February 2016 at 09:00, David Groom <reviews at pacific-rim.net
>     <mailto:reviews at pacific-rim.net>> wrote:
>
>         OSM Tasking manaager #1129  imagery priority
>
>         When there is a difference between detailed Bing imagery and
>         the WorldView-2, 07 Nov 2014; DigitalGlobe, NextView imagery
>         which should take precedence?
>
>         An example can be seen to the south west of the sports pitch
>         here http://www.openstreetmap.org/#map=19/10.13336/124.85114
>
>         There are two small buildings north of the DepEd building on
>         Bing, not seen on Worldview
>
>         There is a small group of trees to the immediate west of The
>         DedEd building on Bing, but buildings can be seen here in
>         Worldview
>
>         This is a minor, but easy to appreciate example.  I have also
>         come across quite a few buildings traced from Bing (and still
>         visible on the Bing  imagery), but there is no evidence of
>         these on Wordview imagery
>
>         David
>
>



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