For multiplication is that command OK, Or it's for adding two raster? Con( IsNull( [Raster1] ), 0, [Raster1] ) + Con( IsNull( [Raster2] ), 0, [Raster2] ) For Multiply we should use the * (multiplication) Symbol as normal math, isn't it? So the expression may be this one if I am not wrong. 'Con( IsNull( [Raster1] ), 0, [Raster1] ) * Con( IsNull( [Raster2] ), 0, [Raster2] )' Regrads, Najnin
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