H3 is a geospatial indexing system that partitions the globe into a hierarchical grid of hexagonal cells, enabling uniform, fast spatial queries at multiple resolutions. Each cell has a 64-bit index, and the system supports operations for finding neighbors (k-rings), expanding to children, and performing polygonal fills (polyfill) and related queries. The resolution parameter controls hex size, allowing scalable spatial indexing for tasks like proximity searches, region queries, and map visualizations.

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H3

Please paste the H3 content or main points; I’ll summarize in ≤70 chars without pronouns or quotes.

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