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A Python wrapper for AACGM-v2 magnetic coordinates

Project description

Documentation Status PyPI Package latest release

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 2.4. The package is free software (MIT license).

Quick start

Install (requires NumPy and logging):

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([57.4698, 93.6300, 1.4822])
>>> # AACGM to geo, mix arrays/numbers
>>> aacgmv2.convert_latlon_arr([90, -90], 0, 0, dtime, code="A2G")
(array([82.9666, -74.3385]), array([-84.6652, 125.8401]), array([14.1244, 12.8771]))

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)
>>> aacgmv2.convert_mlt([1.4822189, 12], dtime, m2a=True)
array([93.6300, -108.6033])

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


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2.4.0 (2017-03-21)

  • Update to use AACGM-v2.4, which includes changes to the inverse MLT and dipole tilt functions and some minor bug fixes
  • Updated file structure
  • Updated methods, retaining old methods in deprecated module
  • Added testing for python 3.6
  • Updated dependencies, removing support for python 3.3
  • Tested on Mac OSX
  • Updated comments to include units for input and output

2.0.0 (2016-11-03)

  • Change method of calculating MLT, see documentation of convert_mlt for details

1.0.13 (2015-10-30)

  • Correctly convert output of subsol() to geodetic coordinates (the error in MLT/mlon conversion was not large, typically two decimal places and below)

1.0.12 (2015-10-26)

  • Return nan in forbidden region instead of throwing exception

1.0.11 (2015-10-26)

  • Fix bug in subsolar/MLT conversion

1.0.10 (2015-10-08)

  • No code changes, debugged automatic build/upload process and needed new version numbers along the way

1.0.0 (2015-10-07)

  • Initial release

Project details

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aacgmv2-2.4.0-cp27-cp27m-macosx_10_12_x86_64.whl (42.4 kB) Copy SHA256 hash SHA256 Wheel cp27 Mar 21, 2018
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aacgmv2-2.4.0.tar.gz (499.5 kB) Copy SHA256 hash SHA256 Source None Mar 21, 2018

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