Python in Science Conference (SciPy)
Published July 10, 2025 | Version v1
Presentation Open

Using Discrete Global Grid Systems in the Pangeo ecosystem

Authors/Creators

  • 1. LOPS - Laboratoire d'Oceanographie Physique et Spatiale UMR 6523 CNRS-IFREMER-IRD-Univ.Brest-IUEM, Plouzane, France
  • 2. University of Tartu
  • 3. Georode
  • 4. Simula

Contributors

  • 1. SLB
  • 2. Lawrence Berkeley National Laboratory
  • 3. Aptos
  • 4. Curvenote
  • 5. Arm
  • 6. Deloitte
  • 7. University of Alabama in Huntsville

Description

Over the past few years, Discrete Global Grid Systems (DGGS) that subdivide the earth into (roughly) equally sized faces have seen a rise in popularity. However, their in-memory representation is different from traditional projection-based data, which is either comprised of evenly shaped rectangular grid (aka raster) or discrete geometries (aka vector), and thus requires specialized tooling. In particular, this includes libraries that can work on the numeric cell ids defined by the specific DGGS. xdggs is a library that provides a unified interface for xarray that allows working with and visualizing a variety of DGGS-indexed data sets.

Files

xdggs-slides.pdf

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