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