Fig. 7
Examples of a smoothed population surfaces (b) and primary uniform grid sampling units (3 × 3 km) (c) after applying the quadtree algorithm
Fig. 7 | International Journal of Health Geographics
Examples of a smoothed population surfaces (b) and primary uniform grid sampling units (3 × 3 km) (c) after applying the quadtree algorithm
International Journal of Health Geographics