A high-performance DuckDB extension that provides functions for the A5 global geospatial index - a millimeter-accurate, equal-area indexing system for geospatial data.
Full documentation, including installation, usage, the function reference, and cookbook examples, is available at:
https://query.farm/products/extensions/a5
This version is built on A5 1.0, which changes cell IDs and the shape of some results. If you have stored cell IDs or existing queries, read UPGRADING.md first.
INSTALL a5 FROM community;
LOAD a5;