[GRASS-user] Sky-view Factor and GeoTiff Histogram equalization (stretch)

Hamish hamish_b at yahoo.com
Wed May 15 17:09:27 PDT 2013

Adrian wrote:
> > I have to do *minimum-maximum stretch of the histogram with
> > saturation of minimum*. How to do this in GRASS? Any help
> > will be highly appreciated!
> I don't know what the "...with a saturation of minimum"
> means.  Maybe someone else that understands this stuff better
> can help.

the "stretch" sounds a bit like linear 0.0-1.0 normalization to me.

for an application, see also the i.landsat.rgb module.


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