[Talk-co] 50cm imagery available over Tierralta, Colombia

[Fredy Rivera]

No olvidar que esto se manejará como un mapeo en crisis, por lo tanto
se ruega actualizar frecuentemente el JOSM y sincronizar los cambios
lo antes posible

salu2
humano

On Thu, May 10, 2012 at 8:23 AM, hyances en gmail.com <hyances en gmail.com> wrote:
> Thanks Fréderic:
>
> I'll take care about wiki page to update it with this iniciative and imagery
> avaible.  There is already mapping over the zone!
>
> Best,
>
> Humberto Yances
>
> PD:  I'll update wiki page with other ~80 Orbview3 images published
> yesterday by Jean-Guilhem Cailton http://i.imgur.com/fNnE5.png too
>
> 2012/5/10 Frédéric Bonifas <fredericbonifas en gmail.com>
>>
>> Hi,
>>
>> (Sorry for writing in English on talk-co but I don't speak Spanish
>> unfortunately).
>>
>> == Context ==
>> The ICRC (International Committee of the Red Cross) is looking for
>> some support from the HOT community to digitize on top of a satellite
>> image they have acquired over the city of Tierralta in North-West of
>> Colombia.
>> The image is 50 cm resolution, comes from the WV2 sensor (Digital
>> Globe) and was acquired the 12th of March 2011.
>> The ICRC will use the image and the OSM tracing to work on a Water and
>> Sanitation project.
>>
>> == What to map ? ==
>> The ICRC is very interested in the landuse (buildings and natural
>> features), but the roads can of course also be mapped !
>>
>> == How-to use the imagery ? ==
>> To add the imagery in JOSM :
>> * Open the preferences and go to the WMS/TMS tab
>> * Click on the "+" at the bottom right to add the new imagery, a
>> dialog window opens
>> * At the top, give a name to the imagery, e.g. "Tierralta ICRC". At
>> the bottom, in the "Imagery URL" field, paste this :
>>
>> http://maps.itos.uga.edu/ArcGIS/services/GIST/CO_HOT/ImageServer/WMSServer?FORMAT=image/png&VERSION=1.1.0&SERVICE=WMS&REQUEST=GetMap&Layers=0&SRS={proj}&WIDTH={width}&HEIGHT={height}&BBOX={bbox}
>> * Click OK and the imagery is now available in the "Imagery" menu.
>> * When you zoom in or out, you need to right-click on the name of the
>> imagery in the "layers" list and the click on "change resolution"
>>
>> The source tag to use is "ICRC, DigitalGlobe 120311"
>>
>> == What comes next ? ==
>> Once a large part of the imagery is digitized in OSM, the ICRC team in
>> Tierralta will use Walking-Papers to enhance the map with POIs and
>> street names.
>>
>>
>> I would like to document this on the OSM wiki but the Wikiproject
>> Colombia is in Spanish. Could someone from the Colombian community add
>> this imagery in the wiki where relevant ?
>>
>> This workflow went well and efficiently in Walikale, Congo. You can
>> read this article on the ICRC website talking about this collaboration
>> :
>> http://www.icrc.org/eng/resources/documents/interview/2012/mapping-interview-2012-04-05.htm
>> Hope we will do even better this time !
>> I am available if you need any other information.
>>
>> Best
>>
>> Fred
>>
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>
>
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