Forwarding this to the talk mailing list, as the censors of the mailing list are still in action.

-------- Message transféré --------
Sujet :         Re: Hurricane Matthew: Jérémie Post Event Imagery - from drone
now available
Date :  Thu, 13 Oct 2016 09:18:05 +0200
De :    Jean-Guilhem Cailton <>
Pour :  Mike Thompson <>, HOT <>


The instructions for that project
( - "for very experienced
mappers" - asked to use "Bing as common geometrical reference (or other
imagery that was used for OSM mapping of these area)", as is generally
considered good practice in OSM mapping - unless you have good reasons
to know that you have a better reference (and also time to adjust

Note that there is now a project to map damage from UAV 5 cm imagery, of
interest to the Government of Haiti who sent Fred there to fly Potentiel
3.0 ( drones :

Best wishes,


Le 13/10/2016 à 05:06, Mike Thompson a écrit :
> To complicate matters, it seems that some of the mapping on this
> project was done under a project on some other tasking manager using a
> different imagery source
> (tms[23]:{zoom}/{x}/{y}
> <>)
> which does not align with either Bing or the imagery for this project
> (tms[22]:{zoom}/{x}/{y}.png
> <>).
> On Wed, Oct 12, 2016 at 8:48 PM, Mike Thompson <
> <>> wrote:
>     Suggest the instructions for this and similar tasks explicitly
>     state that existing mapping is to be realigned to new imagery (if
>     that is in fact what is desired).  The instructions imply this
>     when they say "...but all final mapping and validation should use
>     this imagery for validation." 
> _______________________________________________
> HOT mailing list

"Tant qu’on n’aura pas compris que le cerveau est une machine à dominer,
on ne pourra pas lutter efficacement contre ces hiérarchies aliénantes."
Dominique Dupagne, La revanche du rameur
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