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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 ...
5 votes
1 answer
6k views

Understanding the s2 library (geometry on the sphere, cells and Hilbert curve) for finding points nearby

I am having trouble understanding how the S2 library works so things in this question may make no sense, but I have a goal I would like to accomplish. Lets say I have many lat/lng point I want to ...
3 votes
1 answer
9k views

Google's S2 library - any alternatives? [closed]

Is there any alternative to Google's S2 geometry library? It looks it was updated 4 years back and hardly any documentation. I need a library to divide cities into zones of the area I need. S2 looks ...