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Grouping and analyzing geographic data by grid cells at user-chosen levels, from coarse to fine scales.
Distinct from Spatial Aggregation Functions: Distinct from Spatial Aggregation Functions: focuses on multi-resolution hexagonal grid aggregation, not general geometry combination operations.
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H3 is an open-source library that provides a hierarchical hexagonal grid system for geospatial indexing. It projects the Earth onto an icosahedron and tiles each face with hexagons to minimize distortion, then encodes each hexagon as a 64-bit integer that stores its resolution and position in the hierarchy. This integer encoding enables fast bitwise operations for grid navigation and spatial analysis. The library offers a comprehensive set of grid topology algorithms for computing neighbor relationships, distances, and paths between cells directly on the hexagonal grid without geographic coor
Groups and analyzes geographic data by hexagonal cells at user-chosen grid levels from coarse to fine scales.