def test_evaluate_cartesian_no_verify(self):
s_t_vals = (0.25, 1.0)
nodes = np.asfortranarray([[1.0, 2.0, 1.0], [1.0, 1.5, 2.75]])
surface = self._make_one(nodes, 1)
expected = np.asfortranarray([[1.25], [2.875]])
result = surface.evaluate_cartesian(*s_t_vals, _verify=False)
self.assertEqual(result, expected)
def test_evaluate_cartesian(self):
s_t_vals = (0.125, 0.125)
nodes = np.asfortranarray([[1.0, 2.0, 1.0], [1.0, 1.5, 2.75]])
surface = self._make_one(nodes, 1)
expected = np.asfortranarray([[1.125], [1.28125]])
result = surface.evaluate_cartesian(*s_t_vals)
self.assertEqual(result, expected)
def test_locate_no_verify(self):
surface = self._make_one(self.QUADRATIC, 2)
s = 0.125
t = 0.125
x_val, y_val = surface.evaluate_cartesian(s, t).flatten()
point = np.asfortranarray([[x_val, np.nan], [y_val, np.nan]])
# Make sure it fails.
with self.assertRaises(ValueError):
surface.locate(point)
# Will only use the first row if _verify=False.
computed_s, computed_t = surface.locate(point, _verify=False)
self.assertEqual(s, computed_s)
self.assertEqual(t, computed_t)
def test_evaluate_cartesian_calls_helper(self):
nodes = self.ZEROS
surface = self._make_one_no_slots(nodes, 1, _copy=False)
patch = unittest.mock.patch(
"bezier._surface_helpers.evaluate_barycentric",
return_value=unittest.mock.sentinel.point,
)
s_val = 0.25
t_val = 0.25
with patch as mocked:
result = surface.evaluate_cartesian(s_val, t_val)
self.assertIs(result, unittest.mock.sentinel.point)
mocked.assert_called_once_with(nodes, 1, 0.5, s_val, t_val)
def test_locate(self):
surface = self._make_one(self.QUADRATIC, 2)
point = surface.evaluate_cartesian(0.5, 0.25)
s, t = surface.locate(point)
self.assertEqual(s, 0.5)
self.assertEqual(t, 0.25)
