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WMM2020 geomagnetic model with simple object-oriented Python interface

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Actions Status Language grade: Python Python versions (PyPI) Downloads

WMM2020 World Magnetic simple, object-oriented Python. WMM2015 is also available. Tested on Linux, Mac and Windows. Most C compilers work. At this time Visual Studio is not supported since MSVC doesn't export function symbols without additional headers, which is typically done with something like SWIG.



for the latest release from PyPi:

python -m pip install wmm2020

Optionally, to get the cutting-edge development version:

git clone

python -m pip install -e wmm2020

This Python wrapper of WMM2020 uses our build-on-run technique. The first time you use WMM2020, you will see messages from the Meson build system and your C compiler.


an example script


or as a Python module:

import wmm2020

mag = wmm2020.wmm(glat, glon, alt_km, yeardec)


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wmm2020-1.1.1.tar.gz (3.1 MB view hashes)

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