H3

About

H3 is a geospatial indexing system using a hexagonal grid that can be hierarchically subdivided into finer and finer hexagons. Created by Uber for efficient ride matching and analysis.

Features

• Hexagonal hierarchical grid indexing
• Convert coordinates to cell indexes
• Grid traversal with k-ring neighborhoods
• Compact and uncompact cell sets
• Directed edges between neighboring cells
• Bindings for JavaScript, Python, Java, and more

Alternatives & competitors

S2 Geometry

Google's spherical geometry library with hierarchical cell indexing.