People per cell at any resolution. Coarser than the data: exact integer sums of the fine cells (so
every parent equals the sum of its children). Finer: each fine cell's people shared evenly among its
descendants. Only cells overlapping the region appear.
People per cell at any resolution. Coarser than the data: exact integer sums of the fine cells (so every parent equals the sum of its children). Finer: each fine cell's people shared evenly among its descendants. Only cells overlapping the region appear.