9 ms·
Two reasons: 1. It needs to be reversible so you can go from words to lat/lon. 2. They wanted to use shorter words in cities, so the distribution of low n didn'
by cybergibbons 5y ago
Two reasons:
1. It needs to be reversible so you can go from words to lat/lon.
2. They wanted to use shorter words in cities, so the distribution of low n didn't want to cover the full range of m. (this could probably be solved by some sort of banding though).