r.mapcalc help needed

Bill Jackson jackson at sage.cecer.army.mil
Wed Mar 10 09:30:24 EST 1993

Mr. Thomas,

I use band ratios for image processing prior to rectification. I would
suggest that you precede your ('band.2-'band.1') & ('band2+'band.1') with
float. i.e. float('band.2'-'band.1') and so forth. This should take care of your integer problem.

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