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5 votes
1 answer
3k views

How to decide geohash length based on zoom level?

I want to decide geohash length based on zoom level, how can I do that because so far I am unable to find any standard way to do so? For example, current zoom level is 10 and geohash is "...
VVB's user avatar
  • 151
5 votes
1 answer
585 views

How does Google S2 / Hilbert Curve handle the outliers?

Regarding Google S2 library, it used for a quick indexing on locations. E.g. near by locations would have similar indices. Thus it's much easier to make location queries. But, as we map a 2-D point to ...
Weishi Z's user avatar
  • 151