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List: grass-user
Subject: Re: [GRASS-user] i.atcorr with wordview2 image return Nan values
From: Markus Neteler <neteler () osgeo ! org>
Date: 2017-04-20 21:51:48
Message-ID: CALFmHhuvMFe7d1npqXq2me_474NgYYbPv=41tCwgdFCkbtTzCw () mail ! gmail ! com
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On Tue, Apr 18, 2017 at 2:58 PM, Fabien Wagner
<wagner.h.fabien@gmail.com> wrote:
> Thank you for your answers,
> We have install the generic binary from
> https://grass.osgeo.org/grass72/binary/linux/snapshot/
> then launch grass (in the console the name of grass is now GRASS 7.2.1svn)
> some error appears because this version was not able to locate some library
> but we manage to correct this.
> then run i.atcorr after inporting the red band raster and selecting the
> g.region of the red band raster.
> i.atcorr run without returning any error. he stops after complete 100% of
> the atmospheric correction and return the empty raster with values ranginf
> from -nan to -nan
> The first part of the algorithm run as it computes the visibily in km (from
> the aerosol optical depth I give in the parameter file in txt)
> if someone want to test i can send the image and the parameter file, because
> i don't really know what i can do now
Yes, I could try to check it.
The best would be a zipped location/mapset along with the parameter
file (since the data are non-free, I suggest to not send the download
link over this list).
Best
Markus
> cheers,
> Fabien
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