mapper geo

Pushes onto the stack a mapper instance which will transform the input Geo Time Series™ by approximating the location to the givnen resolution.

Approximation is done by clearing lower bits of the location HHCode. At resolution R, the lower 64 - 2R bits are cleared.

210,000 km
42,500 km
6625 km
8156 km
1039 km
1210 km
142.5 km
16600 m
18150 m
2040 m
2210 m
242.5 m
2660 cm
2815 cm
304 cm

The exact precision is 40,000 km divided by 2**resolution.

mapper.geo.approximate is available since version 1.0.0.