Combine N aligned rasters per pixel (band math). LHS-conform: every other grid is resampled onto
grids[0]'s exact grid in memory, then reduced by op. difference/ratio are binary; sum/mean/
min/max are N-ary and skip noData/NaN inputs. Result carries grids[0]'s bounds/dims.
Combine N aligned rasters per pixel (band math). LHS-conform: every other grid is resampled onto grids[0]'s exact grid in memory, then reduced by
op.difference/ratioare binary;sum/mean/min/maxare N-ary and skip noData/NaN inputs. Result carries grids[0]'s bounds/dims.