[HOT] post-typhoon pablo/bopha imagery from astrium/unosat

maning sambale emmanuel.sambale at gmail.com
Sat Dec 29 06:00:41 GMT 2012


Thanks jgc.  I updated the task workflow to include your offset estimates.

On Sat, Dec 29, 2012 at 4:14 AM, Jean-Guilhem Cailton <jgc at arkemie.com> wrote:
> Hi,
>
> As it might be useful to have a agreement on common offset values for this
> imagery, we could try to crowd-source their computation, by averaging
> "contributed offset estimates".
>
> I'll dive in and submit some values (from JOSM, in Mercator projection,
> epsg:3857) :
> - for Montevista : -87.1; 24.2
> - for New Bataan : -40.7; 14.4
> - for Cateel : 52.2; 13.2
> - for Baganga : -61.9; 44.9
>
> (Looking mostly at the town centers, with existing OSM data and GPS tracks
> where available. These are themselves averaged over 3 ""independent""
> estimates).
>
> So what are your offset estimates ?
>
> Best wishes,
>
> Jean-Guilhem
>
>
> Le 28/12/2012 16:48, maning sambale a écrit :
>>
>> Dear Severin,
>>
>> I noticed that too at Baganga.  Based on Sertit's page [0], horizontal
>> geometric reference is "Pleiades Navigation Parameters".
>> I don't know what it actually means but I suspect there were no
>> orthorectification done for the imagery.  There are uploaded traces in
>> which you can use to adjust the imagery.
>>
>>
>> [0]
>> http://sertit.u-strasbg.fr/SITE_RMS/2012/09_rms_Philippines_2012/mid/SERTIT_Charter424_P02_Philippines_Baganga_North_Damage_5k_midres.jpg
>>
>> On Fri, Dec 28, 2012 at 11:29 PM, Severin MENARD
>> <severin.menard at gmail.com>  wrote:
>>>
>>> Hi Maning,
>>>
>>> What about the georeferencing for this new imagery? Eg Baganga has an
>>> offset
>>> comparing to Bing and the current vector data.
>>>
>>>
>>> Sincerely,
>>>
>>>
>>> Severin
>>>
>>>
>>>
>>>> ------------------------------
>>>>
>>>> Message: 2
>>>> Date: Fri, 28 Dec 2012 19:17:19 +0800
>>>> From: maning sambale<emmanuel.sambale at gmail.com>
>>>> To: osm-ph<talk-ph at openstreetmap.org>, HOT<hot at openstreetmap.org>
>>>> Subject: [HOT] post-typhoon pablo/bopha imagery from atrium/unosat
>>>> Message-ID:
>>>>
>>>> <CAPzumuFuPnOncq=EeGSSTqrgrPWoG7WVgt+zwkjStweZx5TCzA at mail.gmail.com>
>>>> Content-Type: text/plain; charset=UTF-8
>>>>
>>>> Dear everyone,
>>>>
>>>> Post-disaster imagery in selected areas in Mindanao affected by
>>>> Typhoon Pablo/Bopha is now available for tracing in OSM.  This imagery
>>>> is currently available through JOSM and you need to agree with the
>>>> Astrium/UNOSAT license to access them.  Full details on how to use the
>>>> imagery is available in the individual tasks below:
>>>>
>>>> - Montevista - http://tasks.hotosm.org/job/130
>>>> - New Bataan - http://tasks.hotosm.org/job/131
>>>> - Cateel - http://tasks.hotosm.org/job/132
>>>> - Baganga - http://tasks.hotosm.org/job/133
>>>>
>>>> If there are problems with accessing the imagery, just ask here. Thanks!
>>>> --
>>>> cheers,
>>>> maning
>>>> ------------------------------------------------------
>>>> "Freedom is still the most radical idea of all" -N.Branden
>>>> wiki: http://esambale.wikispaces.com/
>>>> blog: http://epsg4253.wordpress.com/
>>>> ------------------------------------------------------
>>>>
>>>>
>>>>
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>>>>
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>>>> End of HOT Digest, Vol 34, Issue 39
>>>> ***********************************
>>>
>>>
>>>
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>>
>



-- 
cheers,
maning
------------------------------------------------------
"Freedom is still the most radical idea of all" -N.Branden
wiki: http://esambale.wikispaces.com/
blog: http://epsg4253.wordpress.com/
------------------------------------------------------



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