[HOT] HOT #2398 concern about old imagery date

[Pete Masters]

Hi Martin,

Thanks for your question... Jan (the project manager) forwarded me your
email, but I have been away...

You're right that this is not ideal. Bing is the only source we have access
to at such scale (and the only source we can use in MapSwipe as it stands),
so unfortunately it is a case of something is better than nothing. The team
in the field is in need of the data for February and are aware of the aged
imagery.

Happy to continue the discussion but it won't be for a couple of days as I
am heading out the door again now and will be offline until the 3rd. Really
appreciate the feedback...

Pete

On Sat, Dec 31, 2016 at 11:14 AM, Martin Hibbert <m902.osm at gmail.com> wrote:

> I'm doing validation on HOT #2398 (Aweil, South Sudan).
>
> Following discussion with a mapper (Task 1789
> <http://tasks.hotosm.org/project/2398#task/1789>) I have checked the date
> on the Bing imagery and found that to the west of Aweil (and thus most of
> #2398) the imagery is dated '3/30/2010-1/7/2011', as reported by JOSM Tile
> Info.
>
> My concern is that this is before South Sudan became a separate country.
> Civil war and huge displacement of peoples means that the situation on the
> ground will have changed radically.
>
> If you look at Google Maps imagery (presumably of a later date) you can
> see there are changes.
>
> I've attempted to contact the project manager to discuss, but given that
> it is New Year weekend cannot realistically expect a response until next
> week.
>
> Mapping using out of date imagery seems such a waste of hundreds of hours
> of volunteer time, although it is obviously for MSF to decide if the
> resulting data is useful.
>
> Does anyone share my concerns? Is there anyone else from MSF on this list
> who could give a view?
>
> Thanks
>
> Martin
>
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-- 
*Pete Masters*
Missing Maps Project Coordinator
+44 7921 781 518

missingmaps.org <http://www.missingmaps.org/>

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