H3: For indexing geographies into a hexagonal grid, by Uber

1. h3

   1 25 5,266 8.3 C

   Hexagonal hierarchical geospatial indexing system

   

2. CodeRabbit

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3. s2geometry

   2 31 2,435 6.9 C++

   Computational geometry and spatial indexing on the sphere

   

   I'm not sure either. http://s2geometry.io/ works well and you only have to really worry about 4 points to draw the circle.

4. polars-h3

   3 3 65 9.1 Python

   🌎 Polars H3 Geospatial Plugin

   

   I created an h3 polars implementation and I think one of the big one's is flow modeling. As other's have mentioned, each hexagon has 6 equidistant neighbors. As a result, it lends itself to analyzing telematics data - I attached a colab notebook where I do some of this. Trying to do any of this analysis any other way would be incredibly painful.

   [1] https://github.com/Filimoa/polars-h3

   [2] https://drive.google.com/file/d/18jIVEbE_1QbwTbHdMqj0AVqguf2...

5. h3o

   4 2 350 7.2 Rust

   Rust implementation of the H3 geospatial indexing system.

   

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