Zofie, You could mask the area or set the region to include only the area you're interested in
Tom On Fri, Dec 15, 2017 at 9:53 AM, Žofie Cimburová <[email protected]> wrote: > Dear all, > I am trying to use i.atcorr (GRASS 7.4) to apply atmospheric corrections > for Sentinel 2 data. The documentation provides a great help, but there are > two points I am not sure about - > > - I don't need the atmospheric correction to be applied to the whole > scene, so I only imported a small clip of the scene to GRASS. What > longitude and latitude shall I then specify in the 6S parameters? Or is it > necessary to apply the corrections to the entire scene? (In that case, do > the latitude and longitude refer to the centre or to the corner of the > scene?) > > - How can I estimate the value of visibility (aerosol model > concentration)? > > > Thanks for any help! > > Best regards, > Zofie > > > > > _______________________________________________ > grass-user mailing list > [email protected] > https://lists.osgeo.org/mailman/listinfo/grass-user > --
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