z7py — Z7 (IGEO7/GBT) discrete global grid system for Python
Copyright 2025-2026 Alexander Kmoch and z7py contributors

Licensed under the Apache License, Version 2.0 (see LICENSE).

This product includes work informed by, and developed in exchange with,
the following projects and people:

  * DGGRID — Kevin Sahr <sahrk@sou.edu>
    https://github.com/sahrk/DGGRID/

  * Z7 — Weston James Renoud
    https://github.com/wrenoud/Z7/

  * Javier Jimenez Shaw
    https://github.com/jjimenezshaw

The Z7 indexing scheme and the alternating CW/CCW Generalized Balanced
Ternary rotation pattern implemented here are described in:

  Kmoch, A., et al. (2025). AGILE GIScience Series, 6, 32.
  https://doi.org/10.5194/agile-giss-6-32-2025

See README.md for the full reference list.
