I got a.green a.red a.blue and a.alpha four raster,then follow the advise from this list I composite the three map g b r to a new raster:outss then I run the commond r.stats -a input=ou...@permanent fs=space nv=* nsteps=255 got the following output
0 429847.542397 9321 212745757.083273 26425 4430667.032198 31744 5444337463.194785 32736 35683640.857434 32767 92624.052023 I wonder what do the first number in each line respent? And the second number in each respent the area? 2009/6/17 Micha Silver <[email protected]> > maven apache wrote: > > Yes > My tiff have 5 color, red blue green and pink and yellow. I want get the > area for each color.. > First I import the tiff .however I got a.green a.red a.blue and a.alpha > four raster. > > Multi-band tiffs are imported as separate bands. You can combine them with > r.composite. > > > 2009/6/17 Micha Silver <[email protected]> > >> maven apache wrote: >> >> can the grass calculate the area of different color for a image? >>> I have a tiff, and I have seen five color in it,I wonder I can calculate >>> the area for each color with grass? >>> >> Did you check out r.stats -a ? >> >> >>> This mail was received via Mail-SeCure System. >>> ------------------------------------------------------------------------ >>> >>> _______________________________________________ >>> grass-user mailing list >>> [email protected] >>> http://lists.osgeo.org/mailman/listinfo/grass-user >>> >>> This mail was received via Mail-SeCure System. >>> >>> >>> >>> >> >> > > This mail was received via Mail-SeCure System. > > ------------------------------ > > _______________________________________________ > grass-user mailing > [email protected]http://lists.osgeo.org/mailman/listinfo/grass-user > > This mail was received via Mail-SeCure System. > > > > > >
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