[GRASS-user] i.landsat.toar fails to convert DNs (bands 61 and 62) to temperature for Landsat 7 scene

[Nikos Alexandris]

This seems to not work again :-(.  This time using the MTL file (for the corresponding 
scene): LE71260592002195SGS00_MTL.txt. No "MTLold" available in the downloaded scene.

Nikos



On Thursday 14 of February 2013 15:33:17 Nikos Alexandris wrote:
> Nikos Alexandris wrote:
> > While  i.landsat.toar  works just fine with all bands in converting DNs to
> > Radiance/Reflectance (with some method=dos?), it seems, at least in once
> > case (scene LE71840312002041SGS00), it fails to convert bands 61 and 62 in
> > temperature!
> > 
> > Same happens (as described below in both G64 and G70).
> > Can anyone confirm or reject?
> 
> [deleted stuff]
> 
> Using the old metadata file (in this case: LE71840312002041SGS00_MTLold.txt)
> works fine.
> 
> GRASS 6.4.3svn (wgs84_utm_z34_test):~ > r.info -r B.DOS1.ToCR.61
> min=158.263805493393
> max=338.623091571347
> 
> GRASS 6.4.3svn (wgs84_utm_z34_test):~ > r.info -r B.DOS1.ToCR.62
> min=240.06999848884
> max=322.080084447704
> 
> 
> I guess it is a bug (something that got away in latest updates of
> i.landsat.toar towards the newer metadata file).  Will try to check
> further... not today though, deadlines approaching.
> 
> Best, Nikos
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