pyproj4

pyproj4/pyproj

Python interface to PROJ (cartographic projections and coordinate transformations library)

1 good first / help-wanted issue · Python · last activity Jun 27, 2026

1.2K stars 235 forks 1.2K watchers Python MIT License
cartographic-projection coordinate-systems coordinate-transformation geodesic geospatial hacktoberfest python
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1 Open Issue Need Help Last updated: Jun 27, 2026

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`Transformer.to_json()` returns `None` for valid CRS pair 4 months ago
help wanted documentation
pyproj4/pyproj
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Python interface to PROJ (cartographic projections and coordinate transformations library)

Python
#cartographic-projection#coordinate-systems#coordinate-transformation#geodesic#geospatial#hacktoberfest#python