def __init__(self,
material=Material(),
position=(0, 0, 0),
normal=(0, 1, 0)):
super().__init__(material)
check_finite(position, normal)
self._position = np.array(position, dtype="float")
self._normal = normalize(np.array(normal))
def test_with_finite_values(self):
try:
check_finite((1, 1, 1), (0, 0, 0))
check_finite((0, 0, 0))
check_finite(np.array((0., 1., 3., 4.)))
check_finite(*np.ones((100, 3)))
check_finite(1, 2, 3)
except ValueError:
self.fail("_check_finite raised ValueError unexpectedly")
def __init__(self, position=(0, 0, 0), up=(0, 1, 0), look_at=(0, 0, 1)):
check_finite(position, up, look_at)
if np.isclose(position, look_at).all():
raise ValueError("Position and look_at of a Camera can not be " +
"the same point, move either one away")
self._position = np.array(position, dtype=np.float64)
self._optical_axis = None
self._righthand = None
self._up = None
self._build_coordinate_system(up, look_at - self._position)
def __init__(self, position=(0, 0, 0), direction=(1, 0, 0)):
check_finite(position, direction)
self._position = np.array(position).astype(np.float64)
self._direction = normalize(direction).astype(np.float64)
def __init__(self, color = (.5, .5, .5)):
check_finite(color)
self._color = np.array(color).astype(np.float64)
def test_with_infinite_values(self):
with self.assertRaises(ValueError):
check_finite((np.inf, np.nan, 0), np.array((1, 1, 1)))
with self.assertRaises(ValueError):
check_finite((0, 0, 0), (np.nan, 0, 0))
with self.assertRaises(ValueError):
check_finite((-np.inf, 0, 0), *np.ones((100, 4)))
with self.assertRaises(ValueError):
check_finite((0, np.inf, 0, 0), *np.ones((100, 4)))
with self.assertRaises(ValueError):
check_finite((-np.inf, 0, 0), *np.ones((100, 4)))
with self.assertRaises(ValueError):
check_finite((-np.inf, np.inf, np.nan), *np.ones((100, 4)))
with self.assertRaises(ValueError):
check_finite(np.inf, np.nan, 0)
with self.assertRaises(ValueError):
check_finite(np.inf, np.nan, (-np.inf, 0), 0)
def __init__(self, material=Material(), position=(0, 0, 0), radius=1):
super().__init__(material)
check_finite(position, radius)
self._position = np.array(position).astype(np.float64)
self._radius = radius