[GRASS-user] i.atcorr for GeoEye-1 and Worldview-3

Moritz Lennert mlennert at club.worldonline.be
Thu Jun 4 02:38:04 PDT 2015


On 03/06/15 15:06, Markus Neteler wrote:
> On Wed, Jun 3, 2015 at 6:56 AM, Kamhul Camhol <monk_purple at yahoo.com> wrote:
>> Hello. I'm quite new with GRASS but I need to atmospherically process
>> high-resolution imagery with i.atcorr. I have three images Quickbird,
>> GeoEye-1 and Worldview-3 imagery of a single scene across three time
>> periods. For Quickbird, I have all the data needed but basing from the
>> following manual GRASS GIS manual: i.atcorr
>> there appears to be no values for two required inputs for GeoEye-1 and
>> Worldview-3.
>
> Yes, at time only Quickbird but not GeoEye-1 and Worldview-3 are supported.
>
>> These are geometrical conditions and band. May I know if GRASS
>> has updated the i.atcorr manual to include these sensors as well? Can I use
>> the values of Worldview-2 for Worldview-3? Or is there any other way to do
>> the atmospheric correction for these two sensors?
>
> We would be happy to add support for these sensors. We need the
> spectral filter curves for that, in order to integrate them in
> i.atcorr.

Do I understand correctly that you would need the numbers behind the 
curves in this document:

https://www.digitalglobe.com/sites/default/files/DigitalGlobe_Spectral_Response_1.pdf

?

Moritz


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