Python calculate_slope_aspect_bfp Examples

Example #1

File: test_best_fit_plane.py Project: cmshobe/landlab

def test_best_fit_plane_in_yz():
    """Best fit plane is the yz-plane."""
    (x, y, z) = (np.array([0., 0., 0.]), np.array([0., 1., 1.]), np.array([0., 0., 1.]))
    (slope, aspect) = rfuncs.calculate_slope_aspect_bfp(x, y, z)

    assert slope == 90.
    assert aspect == 90.

Example #2

def test_best_fit_plane_in_xy():
    """Best fit plane is the xy-plane."""
    (x, y, z) = (np.array([0., 1., 1.]),
                 np.array([0., 0., 1.]),
                 np.array([0., 0., 0.]), )
    (slope, aspect) = rfuncs.calculate_slope_aspect_bfp(x, y, z)

    assert_equal(slope, 0.)
    assert_equal(aspect, 90.)

    (x, y, z) = (np.array([0., 1., 1., 0.]),
                 np.array([0., 0., 1., 1.]),
                 np.array([0., 0., 0., 0.]), )
    (slope, aspect) = rfuncs.calculate_slope_aspect_bfp(x, y, z)

    assert_equal(slope, 0.)
    assert_equal(aspect, 90.)

Example #3

File: test_best_fit_plane.py Project: keliankaz/landlab

def test_best_fit_plane_in_yz():
    """Best fit plane is the yz-plane."""
    (x, y, z) = (np.array([0., 0., 0.]), np.array([0., 1.,
                                                   1.]), np.array([0., 0.,
                                                                   1.]))
    (slope, aspect) = rfuncs.calculate_slope_aspect_bfp(x, y, z)

    assert slope == 90.
    assert aspect == 90.

Example #4

File: test_best_fit_plane.py Project: wilmerjimenez/landlab

def test_best_fit_plane_in_xz():
    """Best fit plane is the xz-plane."""
    (x, y, z) = (
        np.array([0.0, 1.0, 1.0]),
        np.array([0.0, 0.0, 0.0]),
        np.array([0.0, 0.0, 1.0]),
    )
    (slope, aspect) = rfuncs.calculate_slope_aspect_bfp(x, y, z)

    assert slope == 90.0
    assert aspect == 0.0

Example #5

File: test_best_fit_plane.py Project: zrduan/landlab

def test_best_fit_with_bad_args():
    """Raise an error if input arrays are not the same length."""
    len_2 = np.array([0, 1])
    len_3 = np.array([0, 0, 1])

    with pytest.raises(ValueError):
        rfuncs.calculate_slope_aspect_bfp(len_2, len_3, len_3)
    with pytest.raises(ValueError):
        rfuncs.calculate_slope_aspect_bfp(len_3, len_2, len_3)
    with pytest.raises(ValueError):
        rfuncs.calculate_slope_aspect_bfp(len_3, len_3, len_2)

Example #6

File: test_best_fit_plane.py Project: Glader011235/Landlab

def test_best_fit_with_bad_args():
    """Raise an error if input arrays are not the same length."""
    len_2 = np.array([0, 1])
    len_3 = np.array([0, 0, 1])

    with pytest.raises(ValueError):
        rfuncs.calculate_slope_aspect_bfp(len_2, len_3, len_3)
    with pytest.raises(ValueError):
        rfuncs.calculate_slope_aspect_bfp(len_3, len_2, len_3)
    with pytest.raises(ValueError):
        rfuncs.calculate_slope_aspect_bfp(len_3, len_3, len_2)