def test_express_point_in_frame(example_frames):
fa, fb, fc = example_frames
p0 = (5, 3, 20)
p1 = (7.07107, 1.41421, -24.00000)
res0 = Point(p0).express_in_frame(fa)
assert res0 == Point(p0).express_in_frame(fa, original_frame=UnitFrame)
assert isinstance(res0._a, np.ndarray)
res1 = Point(p0).express_in_frame(fa, original_frame=fb)
assert res1.as_array() == pytest.approx(p1, abs=1e-4)
assert isinstance(res1._a, np.ndarray)
assert express_point_in_frame(
p0, fa, original_frame=fb).as_array() == pytest.approx(p1, abs=1e-4)
assert Point(p0).express_in_frame(
fa, original_frame=fb) == Point(p0).express_in_frame(
fa.express_in_frame(fb))
def test_point_express_in_frame(example_frames):
fa, fb, fc = example_frames
p = Point([1, 1, 3])
pt = p.express_in_frame(fc)
assert pt == Point([0, 0, 1])
def test_point_transform(example_frames):
fa, fb, fc = example_frames
p = Point([1, 1, 3])
pt = p.transform(fc)
assert pt == Point([1 + math.sqrt(2), 1, 1])
def test_point_from_array():
p = Point([1, 2, 3])
assert p[2] == 3
def test_point_from_np():
p = Point(np.array([1, 2, 3]))
assert p[2] == 3
def test_point_from_np_bare_copy():
a = np.array([1, 2, 3])
p = Point.from_array(a, copy=True)
a[2] = 7
assert p[2] == 3
def test_point_from_vector():
p = Point(Vector([1, 2, 3]))
assert p[2] == 3
def test_point_from_tuple():
p = Point((1, 2, 3))
assert p[2] == 3
def test_vector_from_point():
p = Vector(Point([1, 2, 3]))
assert p[2] == 3
def test_point_from_point():
p = Point(Point([1, 2, 3]))
assert p[2] == 3
def test_distances_plane_to_points():
plane = Plane(normal=Vector([0, 0, -1]), point=Point([1, 2, 0]))
points = [[1, 2, 3], [1, 2, 6]]
d = distances_plane_to_points(plane, points)
assert d == pytest.approx([-3, -6])
def test_distance_between_points():
pointA = Point([1, 2, 3])
pointB = Point([1, 2, 6])
assert distance_between_points(pointA, pointB) == 3
def test_plane_from_normal_point():
normal = Vector([0, 0, -1])
point = Point([1, 2, 0])
plane = Plane(normal=normal, point=point)
assert plane.normal == normal
assert plane.point == point
def test_plane_as_abcd():
normal = Vector([0, 0, -1])
point = Point([1, 2, 0])
plane = Plane(normal=normal, point=point)
assert plane.as_abcd() == pytest.approx((0, 0, -1, 0))
def test_fit_plane():
points = [[1, 0, 0], [0, 1, 0], [-1, 0, 0]]
plane = fit_plane(points)
assert plane == Plane(normal=Vector([0, 0, 1]), point=Point([0, 1 / 3, 0]))