r.mapcalc int_map="int(MATFile_map)"
[rows cols] = size(map_data) x_range = map_eastern_edge - map_western_edge y_range = map_northern_edge - map_southern_edge ns_res = y_range/rows ew_res = x_range/cols
save filename.mat map_* -v4
save -mat4-binary filename.mat map_*
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