Unless there is a specific reason to use r.mapcalc I would suggest to use r.patch

On 07/25/2011 11:20 PM, Rebecca Bennett wrote:
Hello all,

I would like to use r.mapcalc to fill the null cells of one raster with the value of the same cells from in a second raster (while leaving all other cells as they are in the first raster).

Clearly I am having some kind of brain frizz because this should be simple but I can't get it right...

Sorry and thanks for reading,

Rebecca


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