On 18/06/09 14:31, maven apache wrote: > Also I found that I can see only five color from the tiff > swi.tiff, and yesterday I get five category with the same > steps(import and composite then calculate ), they are > "0 > 9321 26425 31744 32736 ";, but today it change to six!! > > Maybe I remembered it wrongly. (*^__^*) > > > And acturlly I want to extract each color and export them to a > vector map, I am looking the proper commond. > > It seems that there is no corresponding command to achieve this goal？
Please start by reading: http://grass.osgeo.org/grass64/manuals/html64_user/rasterintro.html http://grass.osgeo.org/grass64/manuals/html64_user/vectorintro.html The command you are looking for is r.to.vect (I see it is not mentioned in the rasterintro. Should be...). Moritz _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
