I am not sure, but you can do the following to make sure: cp infile infile2 gdal_calc.py -A infile --A_band 1 -B infile2 --B_band 0 --outfile outfile --calc "(A-B)/(A+B)"
Also, perhaps the extra comma in your command might be to blame "-B infile," Etienne On Tue, Jul 29, 2014 at 3:46 AM, Cleo Drakos <[email protected]> wrote: > Hi GDAL Developers, > > I have one GeoTIFF file with 2 bands. The data type is Byte. I want to > calculate (Band2-Band1)/(Band2+Band1). > > But the following command provided a dark image: > > gdal_calc.py -A infile --A_band 1 -B infile, --B_band 0 --outfile outfile > --calc "(A-B)/(A+B)" > > Does gdal_calc.py not calculate arithmetic with in the same file? > > Thanks for your time. > > cleo > > _______________________________________________ > gdal-dev mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/gdal-dev >
_______________________________________________ gdal-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/gdal-dev
