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Overview

Documentation Status PyPI Package latest release DOI

This is a Python wrapper for the AACGM-v2 C library, which allows converting between geographic and magnetic coordinates. The currently included version of the C library is 2.6. The package is free software (MIT license). When referencing this package, please cite both the package DOI and the AACGM-v2 journal article:

Shepherd, S. G. (2014), Altitude‐adjusted corrected geomagnetic coordinates: Definition and functional approximations, Journal of Geophysical Research: Space Physics, 119, 7501–7521, doi:10.1002/2014JA020264.

Quick start

Install (requires NumPy):

pip install aacgmv2

Convert between AACGM and geographic coordinates:

>>> import aacgmv2
>>> import datetime as dt
>>> import numpy as np
>>> np.set_printoptions(formatter={'float_kind': lambda x:'{:.4f}'.format(x)})
>>> # geo to AACGM, single numbers
>>> dtime = dt.datetime(2013, 11, 3)
>>> np.array(aacgmv2.get_aacgm_coord(60, 15, 300, dtime))
array([57.4736, 93.6111, 1.4816])
>>> # AACGM to geo, mix arrays/numbers
>>> np.array2string(np.array(aacgmv2.convert_latlon_arr([90, -90], 0, 0, dtime, method_code="A2G"))).replace('\n', '')
'[[82.9686 -74.3390] [-84.6501 125.8476] [14.1246 12.8772]]'

Convert between AACGM and MLT:

>>> import aacgmv2
>>> import datetime as dt
>>> import numpy as np
>>> np.set_printoptions(formatter={'float_kind': lambda x:'{:.4f}'.format(x)})
>>> # MLT to AACGM
>>> dtime = dt.datetime(2013, 11, 3, 0, 0, 0)
>>> np.array(aacgmv2.convert_mlt([1.4822189, 12], dtime, m2a=True))
array([93.6203, -108.6130])

If you don't know or use Python, you can also use the command line. See details in the full documentation.

Documentation

https://aacgmv2.readthedocs.io/en/latest/

http://superdarn.thayer.dartmouth.edu/aacgm.html

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