def test_from_edge_path_with_two_closed_loops():
ep = EdgePath()
# 1st loop: closed segments
ep.add_line((0, 0), (0, 1))
ep.add_line((0, 1), (1, 1))
ep.add_line((1, 1), (0, 1))
ep.add_line((0, 1), (0, 0))
# 2nd loop: closed segments
ep.add_line((2, 0), (3, 0))
ep.add_line((3, 0), (3, 1))
ep.add_line((3, 1), (2, 1))
ep.add_line((2, 1), (2, 0))
path = converter.from_hatch_edge_path(ep)
assert path.has_sub_paths is True, "should return a multi-path"
assert len(list(path.sub_paths())) == 2, "expected two sub paths"
def test_edge_path_open_loop():
ep = EdgePath()
# open segments do not create a path
ep.add_line(A, B)
ep.add_line(B, C)
ep.add_line(C, D)
path = converter.from_hatch_edge_path(ep)
assert bool(path) is False, "expected an open loop"
def test_spline_edge(self):
ep = EdgePath()
ep.add_spline(fit_points=[(10, 5), (8, 5), (6, 8), (5, 10)])
ep.add_line((5, 10), (10, 5))
path = converter.from_hatch_edge_path(ep,
ocs=OCS((0, 0, -1)),
elevation=4)
assert len(path) > 2
assert all(math.isclose(v.z, -4) for v in path.control_vertices())
def test_edge_path_closed_loop(e0, e1, e2, e3):
ep = EdgePath()
ep.add_line(e0[0], e0[1])
ep.add_line(e1[0], e1[1])
ep.add_line(e2[0], e2[1])
ep.add_line(e3[0], e3[1])
path = converter.from_hatch_edge_path(ep)
assert len(list(path.sub_paths())) == 1, "expected one closed loop"
assert len(list(path.control_vertices())) == 5
assert path.is_closed is True, "expected a closed loop"
def test_line_edge(self):
ep = EdgePath()
ep.add_line(A, B)
ep.add_line(B, C)
ep.add_line(C, D)
ep.add_line(D, A)
path = converter.from_hatch_edge_path(ep,
ocs=OCS((0, 0, -1)),
elevation=4)
assert len(list(path.sub_paths())) == 1, "expected one closed loop"
assert len(list(path.control_vertices())) == 5
assert all(math.isclose(v.z, -4) for v in path.control_vertices())
assert path.is_closed is True, "expected a closed loop"
def test_arc_edge(self):
ep = EdgePath()
ep.add_arc(
center=(5.0, 5.0),
radius=5.0,
start_angle=0,
end_angle=90,
ccw=True,
)
ep.add_line((5, 10), (10, 5))
path = converter.from_hatch_edge_path(ep,
ocs=OCS((0, 0, -1)),
elevation=4)
assert len(path) == 2
assert all(math.isclose(v.z, -4) for v in path.control_vertices())
def edge_path():
ep = EdgePath()
ep.add_line(
(70.79594401862802, 38.81021154906707),
(61.49705431814723, 38.81021154906707),
)
ep.add_ellipse(
center=(49.64089977339618, 36.43095770602131),
major_axis=(16.69099826506408, 6.96203799241026),
ratio=0.173450304570581,
start_angle=348.7055398636587,
end_angle=472.8737032507014,
ccw=True,
)
ep.add_line(
(47.21845383585098, 38.81021154906707),
(32.00406637283394, 38.81021154906707),
)
ep.add_arc(
center=(27.23255482392775, 37.32841621274949),
radius=4.996302620946588,
start_angle=17.25220809399113,
end_angle=162.7477919060089,
ccw=True,
)
ep.add_line(
(22.46104327502155, 38.81021154906707),
(15.94617981131185, 38.81021154906707),
)
ep.add_line(
(15.94617981131185, 38.81021154906707),
(15.94617981131185, 17.88970141145027),
)
ep.add_line(
(15.94617981131185, 17.88970141145027),
(22.07965616927404, 17.88970141145026),
)
ep.add_spline(
control_points=[
(22.07965616927404, 17.88970141145027),
(23.44151487263461, 19.56130038573538),
(28.24116384863678, 24.26061858002495),
(35.32501805918895, 14.41241846270862),
(46.6153937930182, 11.75667640124574),
(47.53794331191931, 23.11460620899234),
(51.8076764251228, 12.06821526039212),
(60.37405963053161, 14.60131364832752),
(63.71393926002737, 20.24075830571701),
(67.36423789268184, 19.07462271006858),
(68.72358721334537, 17.88970141145026),
],
knot_values=[
2.825276861104652,
2.825276861104652,
2.825276861104652,
2.825276861104652,
8.585563484895022,
22.93271064560279,
29.77376253023298,
35.89697937194972,
41.26107011625705,
51.23489795733507,
54.82267350174899,
59.57512798605262,
59.57512798605262,
59.57512798605262,
59.57512798605262,
],
degree=3,
periodic=0,
)
ep.add_line(
(68.72358721334535, 17.88970141145027),
(70.79594401862802, 17.88970141145027),
)
ep.add_line(
(70.79594401862802, 17.88970141145027),
(70.79594401862802, 38.81021154906707),
)
return ep