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# -*- coding: utf-8 -*- |
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from __future__ import division, absolute_import, unicode_literals |
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import datetime as dt |
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import numpy as np |
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import pytest |
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8
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import aacgmv2 |
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class TestCAACGMV2: |
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def setup(self): |
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"""Runs before every method to create a clean testing setup""" |
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self.date_args = [(2014, 3, 22, 3, 11, 0), (2018, 1, 1, 0, 0, 0)] |
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self.long_date = [2014, 3, 22, 3, 11, 0] |
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self.mlat = None |
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self.mlon = None |
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self.rshell = None |
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self.mlt = None |
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self.lat_in = [45.5, 60] |
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self.lon_in = [-23.5, 0] |
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self.alt_in = [1135, 300] |
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self.code = {'G2A': aacgmv2._aacgmv2.G2A, 'A2G': aacgmv2._aacgmv2.A2G, |
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'TG2A': aacgmv2._aacgmv2.G2A + aacgmv2._aacgmv2.TRACE, |
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'TA2G': aacgmv2._aacgmv2.A2G + aacgmv2._aacgmv2.TRACE} |
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self.lat_comp = {'G2A': [48.1902, 58.2194], 'A2G': [30.7550, 50.4371], |
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'TG2A': [48.1954, 58.2189], 'TA2G': [30.7661, 50.4410]} |
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self.lon_comp = {'G2A': [57.7505, 80.7282], 'A2G': [-94.1724, -77.5323], |
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'TG2A': [57.7456, 80.7362], |
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'TA2G': [-94.1727, -77.5440]} |
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self.r_comp = {'G2A': [1.1775, 1.0457], 'A2G': [1133.6246, 305.7308], |
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'TG2A': [1.1775, 1.0457], 'TA2G': [1133.6282, 305.7322]} |
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def teardown(self): |
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"""Runs after every method to clean up previous testing""" |
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del self.date_args, self.long_date, self.mlat, self.mlon, self.mlt |
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del self.lat_in, self.lon_in, self.alt_in, self.lat_comp, self.lon_comp |
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del self.r_comp, self.code |
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def test_constants(self): |
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"""Test module constants""" |
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ans1 = aacgmv2._aacgmv2.G2A == 0 |
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ans2 = aacgmv2._aacgmv2.A2G == 1 |
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ans3 = aacgmv2._aacgmv2.TRACE == 2 |
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ans4 = aacgmv2._aacgmv2.ALLOWTRACE == 4 |
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ans5 = aacgmv2._aacgmv2.BADIDEA == 8 |
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ans6 = aacgmv2._aacgmv2.GEOCENTRIC == 16 |
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assert ans1 & ans2 & ans3 & ans4 & ans5 & ans6 |
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del ans1, ans2, ans3, ans4, ans5, ans6 |
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@pytest.mark.parametrize('idate', [0, 1]) |
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def test_set_datetime(self, idate): |
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"""Test set_datetime""" |
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self.mlt = aacgmv2._aacgmv2.set_datetime(*self.date_args[idate]) is None |
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assert self.mlt |
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@classmethod |
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def test_fail_set_datetime(self): |
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"""Test unsuccessful set_datetime""" |
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with pytest.raises(RuntimeError): |
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aacgmv2._aacgmv2.set_datetime(1013, 1, 1, 0, 0, 0) |
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@pytest.mark.parametrize('idate,ckey', [(0, 'G2A'), (1, 'G2A'), |
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(0, 'A2G'), (1, 'A2G'), |
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(0, 'TG2A'), (1, 'TG2A'), |
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(0, 'TA2G'), (1, 'TA2G')]) |
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def test_convert(self, idate, ckey): |
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"""Test convert from geographic to magnetic coordinates""" |
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aacgmv2._aacgmv2.set_datetime(*self.date_args[idate]) |
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(self.mlat, self.mlon, |
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self.rshell) = aacgmv2._aacgmv2.convert(self.lat_in[idate], |
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self.lon_in[idate], |
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self.alt_in[idate], |
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self.code[ckey]) |
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np.testing.assert_almost_equal(self.mlat, self.lat_comp[ckey][idate], |
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decimal=4) |
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np.testing.assert_almost_equal(self.mlon, self.lon_comp[ckey][idate], |
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decimal=4) |
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np.testing.assert_almost_equal(self.rshell, self.r_comp[ckey][idate], |
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decimal=4) |
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@pytest.mark.parametrize('ckey', ['G2A', 'A2G', 'TG2A', 'TA2G']) |
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def test_convert_arr(self, ckey): |
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"""Test convert_arr using from magnetic to geodetic coordinates""" |
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aacgmv2._aacgmv2.set_datetime(*self.date_args[0]) |
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(self.mlat, self.mlon, self.rshell, |
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bad_ind) = aacgmv2._aacgmv2.convert_arr(self.lat_in, self.lon_in, |
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self.alt_in, |
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self.code[ckey]) |
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assert len(self.mlat) == len(self.lat_in) |
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np.testing.assert_almost_equal(self.mlat[0], self.lat_comp[ckey][0], |
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decimal=4) |
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np.testing.assert_almost_equal(self.mlon[0], self.lon_comp[ckey][0], |
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decimal=4) |
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np.testing.assert_almost_equal(self.rshell[0], self.r_comp[ckey][0], |
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decimal=4) |
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assert bad_ind[0] == -1 |
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def test_convert_high_denied(self): |
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"""Test for failure when converting to high altitude geodetic to |
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magnetic coordinates""" |
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aacgmv2._aacgmv2.set_datetime(*self.date_args[0]) |
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with pytest.raises(RuntimeError): |
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aacgmv2._aacgmv2.convert(self.lat_in[0], self.lon_in[0], 5500, |
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aacgmv2._aacgmv2.G2A) |
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@pytest.mark.parametrize('code,lat_comp,lon_comp,r_comp', |
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[(aacgmv2._aacgmv2.G2A + aacgmv2._aacgmv2.TRACE, |
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59.9753, 57.7294, 1.8626), |
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(aacgmv2._aacgmv2.G2A |
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+ aacgmv2._aacgmv2.ALLOWTRACE, 59.9753, 57.7294, |
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1.8626), |
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(aacgmv2._aacgmv2.G2A + aacgmv2._aacgmv2.BADIDEA, |
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58.7286, 56.4296, 1.8626)]) |
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def test_convert_high(self, code, lat_comp, lon_comp, r_comp): |
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"""Test convert from high altitude geodetic to magnetic coordinates""" |
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aacgmv2._aacgmv2.set_datetime(*self.date_args[0]) |
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(self.mlat, self.mlon, |
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self.rshell) = aacgmv2._aacgmv2.convert(self.lat_in[0], self.lon_in[0], |
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5500, code) |
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np.testing.assert_almost_equal(self.mlat, lat_comp, decimal=4) |
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np.testing.assert_almost_equal(self.mlon, lon_comp, decimal=4) |
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np.testing.assert_almost_equal(self.rshell, r_comp, decimal=4) |
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@pytest.mark.parametrize('code,lat_comp,lon_comp,r_comp', |
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[(aacgmv2._aacgmv2.G2A |
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+ aacgmv2._aacgmv2.GEOCENTRIC, 48.3784, 57.7844, |
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1.1781), |
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(aacgmv2._aacgmv2.G2A |
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+ aacgmv2._aacgmv2.GEOCENTRIC, 48.3784, 57.7844, |
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1.1781), |
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(aacgmv2._aacgmv2.A2G |
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+ aacgmv2._aacgmv2.GEOCENTRIC, 30.6117, -94.1724, |
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1135.0000), |
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(aacgmv2._aacgmv2.G2A + aacgmv2._aacgmv2.TRACE |
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+ aacgmv2._aacgmv2.GEOCENTRIC, 48.3836, 57.7793, |
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1.1781), |
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(aacgmv2._aacgmv2.A2G + aacgmv2._aacgmv2.TRACE |
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+ aacgmv2._aacgmv2.GEOCENTRIC, 30.6227, -94.1727, |
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1135.0000)]) |
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def test_convert_geocentric(self, code, lat_comp, lon_comp, r_comp): |
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"""Test convert for different code inputs with geocentric coords""" |
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aacgmv2._aacgmv2.set_datetime(*self.date_args[0]) |
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(self.mlat, self.mlon, |
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self.rshell) = aacgmv2._aacgmv2.convert(self.lat_in[0], self.lon_in[0], |
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self.alt_in[0], code) |
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np.testing.assert_almost_equal(self.mlat, lat_comp, decimal=4) |
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150
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np.testing.assert_almost_equal(self.mlon, lon_comp, decimal=4) |
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np.testing.assert_almost_equal(self.rshell, r_comp, decimal=4) |
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152
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153
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@classmethod |
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def test_forbidden(self): |
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"""Test convert failure""" |
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with pytest.raises(RuntimeError): |
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aacgmv2._aacgmv2.convert(7, 0, 0, aacgmv2._aacgmv2.G2A) |
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158
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159
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@pytest.mark.parametrize('marg,mlt_comp', |
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[(12.0, -153.6033), (25.0, 41.3967), |
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(-1.0, 11.3967)]) |
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def test_inv_mlt_convert(self, marg, mlt_comp): |
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"""Test MLT inversion""" |
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mlt_args = list(self.long_date) |
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mlt_args.append(marg) |
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self.mlon = aacgmv2._aacgmv2.inv_mlt_convert(*mlt_args) |
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np.testing.assert_almost_equal(self.mlon, mlt_comp, decimal=4) |
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169
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del mlt_args |
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@pytest.mark.parametrize('marg,mlt_comp', |
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[(12.0, -153.6033), (25.0, 41.3967), |
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(-1.0, 11.3967)]) |
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def test_inv_mlt_convert_yrsec(self, marg, mlt_comp): |
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"""Test MLT inversion with year and seconds of year""" |
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dtime = dt.datetime(*self.long_date) |
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soy = (int(dtime.strftime("%j")) - 1) * 86400 + dtime.hour * 3600 \ |
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+ dtime.minute * 60 + dtime.second |
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self.mlon = aacgmv2._aacgmv2.inv_mlt_convert_yrsec(dtime.year, soy, |
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marg) |
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np.testing.assert_almost_equal(self.mlon, mlt_comp, decimal=4) |
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185
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del dtime, soy |
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187
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@pytest.mark.parametrize('marg,mlt_comp', |
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[(270.0, 16.2402), (80.0, 3.5736), |
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(-90.0, 16.2402)]) |
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def test_mlt_convert(self, marg, mlt_comp): |
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"""Test MLT calculation with different longitudes""" |
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mlt_args = list(self.long_date) |
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mlt_args.append(marg) |
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self.mlt = aacgmv2._aacgmv2.mlt_convert(*mlt_args) |
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np.testing.assert_almost_equal(self.mlt, mlt_comp, decimal=4) |
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197
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@pytest.mark.parametrize('marg,mlt_comp', |
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[(270.0, 16.2402), (80.0, 3.5736), |
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(-90.0, 16.2402)]) |
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def test_mlt_convert_yrsec(self, marg, mlt_comp): |
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"""Test MLT calculation using year and seconds of year""" |
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dtime = dt.datetime(*self.long_date) |
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soy = (int(dtime.strftime("%j")) - 1) * 86400 + dtime.hour * 3600 \ |
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+ dtime.minute * 60 + dtime.second |
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206
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self.mlt = aacgmv2._aacgmv2.mlt_convert_yrsec(dtime.year, soy, marg) |
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208
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np.testing.assert_almost_equal(self.mlt, mlt_comp, decimal=4) |
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del dtime, soy |
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aburrell /
aacgmv2
