コード例 #1
0
def test_perez_components(irrad_data, ephem_data, dni_et, relative_airmass):
    dni = irrad_data['dni'].copy()
    dni.iloc[2] = np.nan
    out = irradiance.perez(40, 180, irrad_data['dhi'], dni,
                           dni_et, ephem_data['apparent_zenith'],
                           ephem_data['azimuth'], relative_airmass,
                           return_components=True)
    expected = pd.DataFrame(np.array(
        [[   0.        ,   31.46046871,  np.nan,   45.45539877],
         [  0.        ,  26.84138589,          np.nan,  31.72696071],
         [ 0.        ,  0.        ,         np.nan,  4.47966439],
         [ 0.        ,  4.62212181,         np.nan,  9.25316454]]).T,
        columns=['sky_diffuse', 'isotropic', 'circumsolar', 'horizon'],
        index=irrad_data.index
    )
    if pandas_0_22():
        expected_for_sum = expected['sky_diffuse'].copy()
        expected_for_sum.iloc[2] = 0
    else:
        expected_for_sum = expected['sky_diffuse']
    sum_components = out.iloc[:, 1:].sum(axis=1)
    sum_components.name = 'sky_diffuse'

    assert_frame_equal(out, expected, check_less_precise=2)
    assert_series_equal(sum_components, expected_for_sum, check_less_precise=2)
コード例 #2
0
def test_perez_components():
    am = atmosphere.relativeairmass(ephem_data['apparent_zenith'])
    dni = irrad_data['dni'].copy()
    dni.iloc[2] = np.nan
    out, df_components = irradiance.perez(40, 180, irrad_data['dhi'], dni,
                     dni_et, ephem_data['apparent_zenith'],
                     ephem_data['azimuth'], am, return_components=True)
    expected = pd.Series(np.array(
        [   0.        ,   31.46046871,  np.nan,   45.45539877]),
        index=times)
    expected_components = pd.DataFrame(
        np.array([[  0.        ,  26.84138589,          np.nan,  31.72696071],
                 [ 0.        ,  0.        ,         np.nan,  4.47966439],
                 [ 0.        ,  4.62212181,         np.nan,  9.25316454]]).T,
        columns=['isotropic', 'circumsolar', 'horizon'],
        index=times
    )
    if pandas_0_22():
        expected_for_sum = expected.copy()
        expected_for_sum.iloc[2] = 0
    else:
        expected_for_sum = expected
    sum_components = df_components.sum(axis=1)

    assert_series_equal(out, expected, check_less_precise=2)
    assert_frame_equal(df_components, expected_components)
    assert_series_equal(sum_components, expected_for_sum, check_less_precise=2)
コード例 #3
0
def test_perez_components(irrad_data, ephem_data, dni_et, relative_airmass):
    dni = irrad_data['dni'].copy()
    dni.iloc[2] = np.nan
    out = irradiance.perez(40,
                           180,
                           irrad_data['dhi'],
                           dni,
                           dni_et,
                           ephem_data['apparent_zenith'],
                           ephem_data['azimuth'],
                           relative_airmass,
                           return_components=True)
    expected = pd.DataFrame(
        np.array([[0., 31.46046871, np.nan, 45.45539877],
                  [0., 26.84138589, np.nan, 31.72696071],
                  [0., 0., np.nan, 4.47966439],
                  [0., 4.62212181, np.nan, 9.25316454]]).T,
        columns=['sky_diffuse', 'isotropic', 'circumsolar', 'horizon'],
        index=irrad_data.index)
    if pandas_0_22():
        expected_for_sum = expected['sky_diffuse'].copy()
        expected_for_sum.iloc[2] = 0
    else:
        expected_for_sum = expected['sky_diffuse']
    sum_components = out.iloc[:, 1:].sum(axis=1)
    sum_components.name = 'sky_diffuse'

    assert_frame_equal(out, expected, check_less_precise=2)
    assert_series_equal(sum_components, expected_for_sum, check_less_precise=2)
コード例 #4
0
ファイル: test_irradiance.py プロジェクト: wrtum/pvlib-python
def test_perez_components():
    am = atmosphere.relativeairmass(ephem_data['apparent_zenith'])
    dni = irrad_data['dni'].copy()
    dni.iloc[2] = np.nan
    out, df_components = irradiance.perez(40,
                                          180,
                                          irrad_data['dhi'],
                                          dni,
                                          dni_et,
                                          ephem_data['apparent_zenith'],
                                          ephem_data['azimuth'],
                                          am,
                                          return_components=True)
    expected = pd.Series(np.array([0., 31.46046871, np.nan, 45.45539877]),
                         index=times)
    expected_components = pd.DataFrame(
        np.array([[0., 26.84138589, np.nan, 31.72696071],
                  [0., 0., np.nan, 4.47966439],
                  [0., 4.62212181, np.nan, 9.25316454]]).T,
        columns=['isotropic', 'circumsolar', 'horizon'],
        index=times)
    if pandas_0_22():
        expected_for_sum = expected.copy()
        expected_for_sum.iloc[2] = 0
    else:
        expected_for_sum = expected
    sum_components = df_components.sum(axis=1)

    assert_series_equal(out, expected, check_less_precise=2)
    assert_frame_equal(df_components, expected_components)
    assert_series_equal(sum_components, expected_for_sum, check_less_precise=2)