The state of GeoPlegma
2026-09-01 , Ran2

This session provides an overview of the GeoPlegma project, how it evolved the past year and what is in store for the next.


GeoPlegma is an ambitious project to provide a unified development platform for DGGS software. Written in Rust, it exposes an API to interrogate Discrete Global Grid Reference Systems (DGGRS) and create data structures based on DGSS. Besides a native DGGS implementation, GeoPlegma is also a bridge to other implementations, including:
- DGGRID
- DGGAL
- H3

Ultimately, GeoPlegma intends to be the bedrock on which a new generation of GIS software may be build, in a geodesic paradigm, dispensing the trade-offs of traditional cartography with map projections at large scales.


Level of technical complexity: 2 - intermediate Give indication of resources (video, web pages, papers, etc.) to read in advance, that will help get up to speed on advanced topics.:

https://www.discreteglobalgrids.org/

https://ogcapi.ogc.org/dggs/

https://vimeo.com/1101913249

Indicate what is (are) the open source project(s) essential in your talk:

GeoPlegma: https://github.com/GeoPlegma/GeoPlegma

Luís has relied on open source software for geospatial since 2001, when he
first interacted with GRASS. Since then he contributed code and documentation
to various projects such as OWSLib, OpenLayers or QGis. In 2016 he
became a OSGeo charter member and integrated the first Project Steering
Committee of the PyWPS project. He was one of the founding members of the
European chapter of OSGeo and chaired the Scientific Committee of the
FOSS4G-Europe conference in 2018. Since 2023 Luís shares the role of Chief
Returning Officer at OSGeo.

Luís is an Assistant PRofessor at University of Lisbon.