* Nikos Alexandris <[email protected]> [2015-05-23 11:04:19 +0300]:
> * Micha Silver <[email protected]> [2015-05-23 10:05:14 +0300]: > > > When doing atmospheric correction with i.atcorr on LandSat 8 images > > (after > > i.landsat.toar), is it correct to set range="0,65535"? > > Hi Micha. > > After i.landsat.toar you will have either Radiance or Reflectance. For > both the 11-bit range suggested above is not valid I think. 16-bit that was meant to be! > In the metadata file the minimum and maximum values for spectral radiance are > reported (watts / m^2 * ster * microns). As for the reflectance, it is > unitless and should, in theory, range in [0, 1.0]. Though, outliers are > sometimes expected. See also: <http://landsathandbook.gsfc.nasa.gov/data_prod/prog_sect11_3.html#top>. Nikos _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
