> > > > > And, can index be *value* in any contexts? > > If you use a raster with a signed data type, that could be negative > values (assuming I understand your question) > >
ah I see, arbitrary integer values map to a colour 0:(n-1) colours, match the ordered n values in the raster - that is "value" in the way I was thinking ( I had in mind more general cases like interval ranges, but that's another level up) I might be entirely messing up the concept ... will check my take by experiment. Cheers, Mike -- Michael Sumner Software and Database Engineer Australian Antarctic Division Hobart, Australia e-mail: mdsum...@gmail.com
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