[GRASS-dev] MODIS Metadata information kept after GDALimport/warp into GRASS

[Hamish]

António Rocha wrote:
> Those hist files only include the
> operations that are performed inside GRASS.

to start with, but you can add anything you like in there.


> But for instance, MERIS-ENVISAT and other EO data includes GAIN,
> SCALEFACTOR and other parameter that are relevant for image
> processing.

see also r.mapcalc recipes for applying those factors:

linear scaling
  http://grass.osgeo.org/wiki/MODIS#Processing

back-transform logarithmic scaling
  http://grass.osgeo.org/wiki/MODIS#Processing_2




(the rest is answered by Markus)


Hamish