geoplanar

Planar enforcement for polygon geoseries

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geoplanar supports the detection and correction of violations of planar enforcement for polygon geoseries including:

• gaps

• nonplanar coincident edges

• nonplanar touches

• overlaps

• holes

Status

geoplanar is currently in beta and is open to contributions. It is being developed in support of research and is likely to be undergoing changes as the project evolves.

Contributing

geoplanar development uses a git-flow model. Contributions following this model are welcomed.

Funding

geoplanar is partially supported by NSF Award #1759746, Comparative Regional Inequality Dynamics: Multiscalar and Multinational Perspectives and by the Charles University’s Primus programme through the project “Influence of Socioeconomic and Cultural Factors on Urban Structure in Central Europe,” project reference PRIMUS/24/SCI/023.

How to cite

To cite GeoPlanar please use the following software paper published in the Environment and Planning B: Urban Analytics and City Science.

Rey, S., Fleischmann, M., & Winkler, L. (2026). GeoPlanar: Planar enforcement and coverage topology repairing for Python. Environment and Planning B: Urban Analytics and City Science, 23998083261470518. https://doi.org/10.1177/23998083261470518

BibTeX:

@article{rey2026GeoPlanar,
  title = {{{GeoPlanar}}: {{Planar}} Enforcement and Coverage Topology Repairing for {{Python}}},
  shorttitle = {{{GeoPlanar}}},
  author = {Rey, Sergio and Fleischmann, Martin and Winkler, Lisa},
  year = 2026,
  month = jul,
  journal = {Environment and Planning B: Urban Analytics and City Science},
  pages = {23998083261470518},
  issn = {2399-8083, 2399-8091},
  doi = {10.1177/23998083261470518},
}