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Line 32: ==Difference== '''"-dif"'''<br> Takes the difference between the first two .asc files, the second grid is subtracted from the first. If an optional third .asc file is specified, this is used as the output file, otherwise, asc_to_asc creates its own output filename using the names of the two input .~~dat~~asc files. The output is the first .asc file minus the second .asc file. Two .asc grids are output: *The first is the difference values between the two .asc files. A difference value only occurs at grid cells that have a value in both grids. If the cell has a null value (ie. the TUFLOW output was dry at that location) in either or both .asc grids, a null value is output.

ASC to ASC: Difference between revisions