def test_baseline_to_baseline():
uv = UVData()
uv.read_miriad(test_d_file)
uvf = UVFlag(uv)
uvf2 = uvf.copy()
uvf.to_baseline(uv)
nt.assert_equal(uvf, uvf2)
def test_to_baseline_metric():
uv = UVData()
uv.read_miriad(test_d_file)
uvf = UVFlag(uv)
uvf.to_waterfall()
uvf.metric_array[0, 10, 0] = 3.2 # Fill in time0, chan10
uvf.metric_array[1, 15, 0] = 2.1 # Fill in time1, chan15
uvf.to_baseline(uv)
nt.assert_true(np.all(uvf.baseline_array == uv.baseline_array))
nt.assert_true(np.all(uvf.time_array == uv.time_array))
times = np.unique(uvf.time_array)
ind = np.where(uvf.time_array == times[0])[0]
nt0 = len(ind)
nt.assert_true(np.all(uvf.metric_array[ind, 0, 10, 0] == 3.2))
ind = np.where(uvf.time_array == times[1])[0]
nt1 = len(ind)
nt.assert_true(np.all(uvf.metric_array[ind, 0, 15, 0] == 2.1))
nt.assert_true(
np.isclose(uvf.metric_array.mean(),
(3.2 * nt0 + 2.1 * nt1) / uvf.metric_array.size))
def test_to_baseline_flags():
uv = UVData()
uv.read_miriad(test_d_file)
uvf = UVFlag(uv)
uvf.to_waterfall()
uvf.to_flag()
uvf.flag_array[0, 10, 0] = True # Flag time0, chan10
uvf.flag_array[1, 15, 0] = True # Flag time1, chan15
uvf.to_baseline(uv)
nt.assert_true(np.all(uvf.baseline_array == uv.baseline_array))
nt.assert_true(np.all(uvf.time_array == uv.time_array))
times = np.unique(uvf.time_array)
ntrue = 0.0
ind = np.where(uvf.time_array == times[0])[0]
ntrue += len(ind)
nt.assert_true(np.all(uvf.flag_array[ind, 0, 10, 0]))
ind = np.where(uvf.time_array == times[1])[0]
ntrue += len(ind)
nt.assert_true(np.all(uvf.flag_array[ind, 0, 15, 0]))
nt.assert_true(uvf.flag_array.mean() == ntrue / uvf.flag_array.size)
def test_to_baseline_force_pol():
uv = UVData()
uv.read_miriad(test_d_file)
uvf = UVFlag(uv)
uvf.to_waterfall()
uvf.to_flag()
uvf.flag_array[0, 10, 0] = True # Flag time0, chan10
uvf.flag_array[1, 15, 0] = True # Flag time1, chan15
uvf.polarization_array[0] = -4 # Change pol, but force pol anyway
uvf.to_baseline(uv, force_pol=True)
nt.assert_true(np.all(uvf.baseline_array == uv.baseline_array))
nt.assert_true(np.all(uvf.time_array == uv.time_array))
nt.assert_true(
np.array_equal(uvf.polarization_array, uv.polarization_array))
times = np.unique(uvf.time_array)
ntrue = 0.0
ind = np.where(uvf.time_array == times[0])[0]
ntrue += len(ind)
nt.assert_true(np.all(uvf.flag_array[ind, 0, 10, 0]))
ind = np.where(uvf.time_array == times[1])[0]
ntrue += len(ind)
nt.assert_true(np.all(uvf.flag_array[ind, 0, 15, 0]))
nt.assert_true(uvf.flag_array.mean() == ntrue / uvf.flag_array.size)