[GRASS-user] RGB values of Imagery into file

GRASS GRASS user
1

Hi All,
Tell me a way to know from an image (satellite image or any spatial object ) all its points with their RGB values in to a note pad or a spread sheet.

ThanX in anticipation
Ravi Kumar

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2

RAVI KUMAR wrote:

Hi All, Tell me a way to know from an image (satellite image or any
spatial object ) all its points with their RGB values in to a note
pad or a spread sheet.

Use the r.mapcalc's # operator to obtain r,g,b components into 3
separate rasters. Export each rasters as x,y,value triplets with
r.out.xyz. Import these as csv file into oocalc and merge them.

Maciek