[OSM-talk] Decline in accuracy of capture date metadata in Bing imagery

James james2432 at gmail.com
Tue Jul 25 17:04:01 UTC 2017


Griping about it on the mailing list won't really solve anything. Microsoft
can do what they please.

To paraphrase you from another email chain:
https://wiki.openstreetmap.org/wiki/Good_practice#Do_Not_Trace_from_Outdated_Imagery

On Jul 25, 2017 1:00 PM, "Christoph Hormann" <osm at imagico.de> wrote:

> On Tuesday 25 July 2017, James wrote:
> > Maybe you should stick to local mapping/survey the location to assess
> > the image quality
>
> Yes, obviously that is always the best option when possible.  But tell
> that to all the mappers who re-create buildings that show up in images
> although they have meanwhile been demolished or who put a lot of effort
> into correcting the course of rivers which have completely changed in
> the years since the image was taken.  Capture date metadata does not
> prevent such mistakes but it can help avoiding them.
>
> This is ultimately more a convenience thing.  Usually it is possible to
> pinpoint approximately when an image was taken if you put enough effort
> into it - likewise for the DigitalGlobe images which have no recording
> date information at all.  But this is time-consuming work.
>
> --
> Christoph Hormann
> http://www.imagico.de/
>
> _______________________________________________
> talk mailing list
> talk at openstreetmap.org
> https://lists.openstreetmap.org/listinfo/talk
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/talk/attachments/20170725/1b15cc78/attachment.html>


More information about the talk mailing list