[GRASS-dev] scale and offset in raster maps

[Hamish]

Andrea antonello wrote:
> I'm not talking about resampling, btu instead of threating of a single
> value. In scientific data often you could store integer maps for
> several reasons and there is an offset and scale value that have to be
> applied to get the usable physical floating point value of the map.
> Scale and offset are defined in formats as for example netcdf and I
> thought I saw this also in GRASS in the past.

see  http://grass.osgeo.org/wiki/MODIS#Processing
     http://grass.osgeo.org/wiki/MODIS#Processing_3
     etc.


Hamish