Acknowledgements

Vgrid is built upon free and open-source software and would like to acknowledge the maintainers and contributors of the following projects, together with the many transitive dependencies that make them possible.

• h3-py by Uber.
• s2sphere by Sidewalk Labs.
• a5-py by Felix Palmer and Thang Quach.
• rhealpixdggs-py by Manaaki Whenua – Landcare Research.
• open-eaggr by Riskaware.
• EASE-DGGS by GEMS-UMN.
• pydggal by Jerome St-Louis from Ecere.
• DGGRID by Kevin Sahr.
• dggrid4py by Alex Kmoch.
• QTM by Thang Quach, with reference to QTM by Paulo Raposo.
• Lat Lon Tools QGIS Plugin by Calvin Hamilton.
• gars-field by Corteva Agriscience.
• Tilecode & Quadkey by Thang Quach, utilizing mercantile by Mapbox.
• antimeridian by gadomski.
• The DGGS Inspect feature in Vgrid is inspired by Area and shape distortions in open-source discrete global grid systems by Alex Kmoch et al. (2022) (resources).
• The Vgrid Document is inspired by leafmap developed by Qiusheng Wu from Open Geospatial Solutions.