def base_mag_1min_plot(starttime, endtime, coords, ax=None):
"""
Plot spectrogram of MAG data
"""
magdata = heliopydata.mag_1min(starttime, endtime, coords)
for Baxis in ['Bx', 'By', 'Bz']:
ax.plot(magdata.index, magdata.to_dataframe()[Baxis], label=Baxis)
ax.set_ylabel("MAG \n{0} coords \n[\\nT] ".format(coords))
def test_mag(self):
df = cassini.mag_hires(self.starttime, self.endtime)
check_data_output(df)
# Check that a RTN co-ordinate download works too
starttime = datetime(2004, 5, 1)
endtime = datetime(2004, 5, 2)
df = cassini.mag_hires(starttime, endtime)
check_data_output(df)
# Check that no data raises an error
starttime = datetime(2040, 5, 1)
endtime = datetime(2040, 5, 2)
with pytest.raises(RuntimeError):
df = cassini.mag_hires(starttime, endtime)
df = cassini.mag_1min(self.starttime, self.endtime, 'KSO')
check_data_output(df)