This made me think of Google's S2. 64-bit ID for every less-than-1cm^2 roughly-square area on Earth's surface, less bits used for bigger areas. https://s2geome

This made me think of Google's S2. 64-bit ID for every less-than-1cm^2 roughly-square area on Earth's surface, less bits used for bigger areas. https://s2geometry.io/ https://s2geometry.io/ https://docs.google.com/presentation/d/1Hl4KapfAENAOf4gv-pSngKwvS_jwNVHRPZTTDzXXn6Q/view?slide=id.i122#slide=id.i122 https://docs.google.com/presentation/d/1Hl4KapfAENAOf4gv-pSn...