Python _find_append_zero_crossings Examples

Example #1

File: test_thermo.py Project: andyli386/MetPy

def test_find_append_zero_crossings():
    """Tests finding and appending zero crossings of an x, y series."""
    x = np.arange(11) * units.hPa
    y = np.array([3, 2, 1, -1, 2, 2, 0, 1, 0, -1, 2]) * units.degC
    x2, y2 = _find_append_zero_crossings(x, y)

    x_truth = np.array([0., 1., 2., 2.5, 3., 3.33333333, 4., 5.,
                        6., 7., 8., 9., 9.33333333, 10.]) * units.hPa
    y_truth = np.array([3, 2, 1, 0, -1, 0, 2, 2, 0, 1, 0, -1, 0, 2]) * units.degC
    assert_array_almost_equal(x2, x_truth, 6)
    assert_almost_equal(y2, y_truth, 6)

Example #2

File: test_thermo.py Project: dodolooking/MetPy

def test_find_append_zero_crossings():
    """Test finding and appending zero crossings of an x, y series."""
    x = np.arange(11) * units.hPa
    y = np.array([3, 2, 1, -1, 2, 2, 0, 1, 0, -1, 2]) * units.degC
    x2, y2 = _find_append_zero_crossings(x, y)

    x_truth = np.array([0., 1., 2., 2.5, 3., 3.33333333, 4., 5.,
                        6., 7., 8., 9., 9.33333333, 10.]) * units.hPa
    y_truth = np.array([3, 2, 1, 0, -1, 0, 2, 2, 0, 1, 0, -1, 0, 2]) * units.degC
    assert_array_almost_equal(x2, x_truth, 6)
    assert_almost_equal(y2, y_truth, 6)