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

[Nikos Alexandris]

* Moritz Lennert <mlennert at club.worldonline.be> [2015-06-04 11:38:04 +0200]:

> 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
> 
> ?

Yes Moritz, that is very relevant!  They updated the document I think (it wasn't
there on Summer 2013 plus a few months later -- the properties of this
file indicate October 2014).

Nikos