[GRASS-user] Structure of sig file

Moritz Lennert mlennert at club.worldonline.be
Fri Jun 7 00:28:36 PDT 2013


On 06/06/13 17:46, katrin eggert wrote:
> Dear all, I have searched but I was not able to find the exact
> structure of the sig files generated by i.gensig.

As this is only used internally, I think the only documentation is in
the source:

http://trac.osgeo.org/grass/browser/grass/trunk/include/imagery.h#L50


> Can anyone point me out what is the structure of the the SIGNATURE
>
> EXAMPLE
>
> #
>
> #Value 1
>
> 643

= number of points in class


>
> 114.958 107.323 128.793

= mean values per band of the class

> 415.38
>
> 460.891 533.341
>
> 600.392 714.442 1071.21

= (semi)-matrix of band-band covariance

Moritz--
Département de Géographie
Université Libre de Bruxelles
CP 130/03
Av. F.D. Roosevelt 50
1050 Bruxelles
Belgique

tél. + 32 2 650.68.12 / 68.11 (secr.)
fax  + 32 2 650.68.30


More information about the grass-user mailing list