[HOT] Spot-6 images of Guinée / Northern Liberia available, job 489

Pierre Béland pierzenh at yahoo.fr
Sat Apr 5 12:01:19 UTC 2014


Merci Fofana, et bons cartoparties a tous.
 
Pierre 



________________________________
 De : FOFANA BAZO BAGNOUMANA <fofana.13bazo at gmail.com>
À : Jean-Guilhem Cailton <jgc at arkemie.com> 
Cc : "hot at openstreetmap.org" <hot at openstreetmap.org> 
Envoyé le : Vendredi 4 avril 2014 18h23
Objet : Re: [HOT]	Spot-6 images of Guinée / Northern Liberia available, job 489
 


nous voyons à travers ces éléments comment le projet hot évolue et il vraiment important de souligner ces aspects. l'acquisition d'imageries de telles niveaux de précisions est d'un grand intérêt pour la cartographie de crise. Toutes mes félicitations à l'équipe qui a rendue cela possible, et que les mappers en fassent un très bon usage. 


bravo à tous.


Fofana pour osm_BF 




2014-04-04 16:16 GMT+00:00 Jean-Guilhem Cailton <jgc at arkemie.com>:

Hi,
>
>Another version of the Spot-6 layer, with the near-infrared band used as
>"red" in red-green-blue (instead of the natural red band) is available.
>
>It provides a nice view of vegetation (in red), and thus also makes it
>easy to see residential areas and rivers.
>
>To add it, replace "spot6" by "spot6_nir" in the URL given in
>http://tasks.hotosm.org/job/489
>
>Best wishes,
>
>Jean-Guilhem
>
>
>Le 04/04/2014 15:26, Jean-Guilhem Cailton a écrit :
>
>> Hi,
>>
>> Airbus Defence and Space, Geo-Intelligence has donated Spot-6 images,
>> acquired between 2013-10-13 and 2013-12-11, that cover a large part of
>> the area of the border between Northern Liberia and Southern Guinea,
>> including the towns of Voinjama and Kolahun in Liberia, as well as the
>> cities of Guéckédou and Macenta in Guinée, and their surroundings.
>>
>> Job 489 has been set up on the Tasking Manager:
>> http://tasks.hotosm.org/job/489
>>
>> For the cities of Guéckédou and Macenta, where higher resolution
>> Pleiades images are available and that were already mapped (jobs 469 and
>> 471), it is better to keep using the Pleiades images as geometrical
>> reference, as they have better accuracy (6.5 m CE 90 without GCPs).
>>
>> Use source=Spot-6, Airbus
>>
>> Best wishes,
>>
>> Jean-Guilhem
>>
>>
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>>
>
>
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-- 

Fofana Bagnoumana Bazo 
Etudiant en Master II (Géographie, Gestion des Ressources Naturelles)
A l'université de Ouagadougou


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