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

[Nikos Alexandris]

* Markus Neteler <neteler at osgeo.org> [2015-06-03 15:06:06 +0200]:

> 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.

I don't think it works for QB2. Anyone already tested? There is still
<https://trac.osgeo.org/grass/ticket/2059>, right?

> > 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.
> 
> The procedure is explained here:
> https://trac.osgeo.org/grass/browser/grass/branches/releasebranch_7_0/imagery/i.atcorr/README

I can (try to) help with that I think. But maybe not, considering that the data I
prepared didn't work-out!?

Nikos


> I can do this integration but I would need to get the filter curves of
> GeoEye-1 and Worldview-3 for that (no time to search myself).
> 
> Best
> Markus