H3: Why Uber Uses Hexagons for Geospatial Indexing

Uber Engineering · Talk · 26 min · 2018 · YouTube title: H3: Tiling the Earth with Hexagons

Why it's here

HN points to it as the detailed explanation of why hexagons suit map grids, in threads about H3.

What it covers

Uber Engineering's Joseph Gilley explains why Uber uses hexagons for geospatial indexing and introduces H3, its open source hierarchical grid system. He covers use cases and how distortion is handled.