How to use the gdspy.RobustPath function in gdspy
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heitzmann / gdspy / tests / robustpath.py View on Github 
rp.arc(2, 0.4 * numpy.pi, -0.4 * numpy.pi, [0.1, 0.2, 0.1], [0.2, 0, -0.2])
rp.turn(1, -0.3 * numpy.pi)
rp.turn(1, "rr", 0.15)
rp.turn(0.5, "l", [0.05, 0.1, 0.05], [0.15, 0, -0.15])
assert len(rp) == 10
cell.add(rp)
rp = gdspy.RobustPath((-5, 6), 0.8, layer=20, ends="round", tolerance=1e-4)
rp.segment((1, 1), 0.1, relative=True)
cell.add(rp)
rp = gdspy.RobustPath((-5, 6), 0.8, layer=21, ends="extended", tolerance=1e-4)
rp.segment((1, 1), 0.1, relative=True)
cell.add(rp)
rp = gdspy.RobustPath((-5, 6), 0.8, layer=22, ends=(0.1, 0.2), tolerance=1e-4)
rp.segment((1, 1), 0.1, relative=True)
cell.add(rp)
rp = gdspy.RobustPath((-5, 6), 0.8, layer=23, ends="smooth", tolerance=1e-4)
rp.segment((1, 1), 0.1, relative=True)
cell.add(rp)
rp = gdspy.RobustPath((-3, 6), 0.8, layer=10, ends="round", tolerance=1e-5)
rp.segment((1, 0), 0.1, relative=True)
rp.segment((0, 1), 0.8, relative=True)
cell.add(rp)
rp = gdspy.RobustPath((-3, 6), 0.8, layer=11, ends="extended", tolerance=1e-5)
rp.segment((1, 0), 0.1, relative=True)
rp.segment((0, 1), 0.8, relative=True)
cell.add(rp)
rp = gdspy.RobustPath((-3, 6), 0.8, layer=12, ends="smooth", tolerance=1e-5)
rp.segment((1, 0), 0.1, relative=True)
rp.segment((0, 1), 0.8, relative=True)
cell.add(rp)
rp = gdspy.RobustPath((-3, 8), 0.1, layer=13, ends="round", tolerance=1e-5)
rp.segment((1, 0), 0.8, relative=True)rp.bezier([(-3, 0), (-2, -3), (0, -4), (0, -5)], offset=[-0.2, 0, 0.2])
rp.bezier(
[(4.5, 0), (1, -1), (1, 5), (3, 2), (5, 2)],
width=[0.05, 0.1, 0.2],
offset=[-0.2, 0, 0.4],
relative=False,
)
cell.add(rp)
rp = gdspy.RobustPath((2, -1), 0.1, layer=7, tolerance=1e-4, max_points=0)
rp.smooth(
[(1, 0), (1, -1), (0, -1)],
angles=[numpy.pi / 3, None, -2 / 3.0 * numpy.pi, None],
cycle=True,
)
cell.add(rp)
rp = gdspy.RobustPath((2.5, -1.5), 0.1, layer=8)
rp.smooth(
[(3, -1.5), (4, -2), (5, -1), (6, -2), (7, -1.5), (7.5, -1.5)],
relative=False,
width=0.2,
)
cell.add(rp)
assertsame(target["RobustPath2"], cell)def test_robustpath_gdsiipath():
cells = []
for gdsii_path in [True, False]:
cells.append(gdspy.Cell(str(gdsii_path)))
rp = gdspy.RobustPath(
(0, 0),
0.05,
[-0.1, 0.1],
ends=["extended", (0.1, 0.2)],
layer=[0, 1],
gdsii_path=gdsii_path,
)
rp.segment((1, 1))
rp.parametric(lambda u: numpy.array((u, u - u ** 2)))
cells[-1].add(rp)
assertsame(*cells)rp.segment((1, 0), 0.1, relative=True)
rp.segment((0, 1), 0.8, relative=True)
cell.add(rp)
rp = gdspy.RobustPath((-3, 6), 0.8, layer=12, ends="smooth", tolerance=1e-5)
rp.segment((1, 0), 0.1, relative=True)
rp.segment((0, 1), 0.8, relative=True)
cell.add(rp)
rp = gdspy.RobustPath((-3, 8), 0.1, layer=13, ends="round", tolerance=1e-5)
rp.segment((1, 0), 0.8, relative=True)
rp.segment((0, 1), 0.1, relative=True)
cell.add(rp)
rp = gdspy.RobustPath((-3, 8), 0.1, layer=14, ends=(0.2, 0.2), tolerance=1e-5)
rp.segment((1, 0), 0.8, relative=True)
rp.segment((0, 1), 0.1, relative=True)
cell.add(rp)
rp = gdspy.RobustPath((-3, 8), 0.1, layer=15, ends="smooth", tolerance=1e-5)
rp.segment((1, 0), 0.8, relative=True)
rp.segment((0, 1), 0.1, relative=True)
cell.add(rp)
rp = gdspy.RobustPath((5, 2), [0.05, 0.1, 0.2], [-0.2, 0, 0.4], layer=[4, 5, 6])
rp.parametric(lambda u: numpy.array((5.5 + 3 * u, 2 + 3 * u ** 2)), relative=False)
rp.segment((0, 1), relative=True)
rp.parametric(
lambda u: numpy.array(
(2 * numpy.cos(0.5 * numpy.pi * u) - 2, 3 * numpy.sin(0.5 * numpy.pi * u))
),
width=[0.2, 0.1, 0.05],
offset=[-0.3, 0, 0.3],
)
rp.parametric(lambda u: numpy.array((-2 * u, 0)), width=0.1, offset=0.2)
rp.bezier([(-3, 0), (-2, -3), (0, -4), (0, -5)], offset=[-0.2, 0, 0.2])
rp.bezier([(1, 0), (1, -1), (0, -1)],
angles=[numpy.pi / 3, None, -2 / 3.0 * numpy.pi, None],
cycle=True,
)
cell.add(rp)
rp = gdspy.RobustPath((2.5, -1.5), 0.1, layer=8)
rp.smooth(
[(3, -1.5), (4, -2), (5, -1), (6, -2), (7, -1.5), (7.5, -1.5)],
relative=False,
width=0.2,
)
cell.add(rp)
cell = lib.new_cell("RobustPath3")
rp = gdspy.RobustPath((0, 0), 0.1)
rp.parametric(
lambda u: numpy.array((3 * numpy.sin(numpy.pi * u), -3 * numpy.cos(numpy.pi * u))),
relative=False,
)
rp.parametric(
lambda u: numpy.array(
(3.5 - 3 * numpy.cos(numpy.pi * u), -0.5 + 3 * numpy.sin(numpy.pi * u))
),
lambda u: numpy.array((numpy.sin(numpy.pi * u), numpy.cos(numpy.pi * u))),
relative=True,
)
cell.add(rp)
cell = lib.new_cell("RobustPath4")
rp = gdspy.FlexPath([(0, 0)], [2, 1, 1], 5)cell = gdspy.Cell("test")
rp = gdspy.RobustPath((0, 0), 0.1, layer=[1], gdsii_path=True)
rp.segment((1, 1))
cell.add(rp)
rp = gdspy.RobustPath(
(1, 0),
0.1,
[-0.1, 0.1],
tolerance=1e-5,
ends=["round", "extended"],
layer=[2, 3],
max_points=6,
)
rp.segment((2, 1))
cell.add(rp)
rp = gdspy.RobustPath(
(2, 0), [0.1, 0.2], 0.2, ends=(0.2, 0.1), layer=4, datatype=[1, 1]
)
rp.segment((3, 1))
cell.add(rp)
rp = gdspy.RobustPath(
(3, 0),
[0.1, 0.2, 0.1],
[-0.2, 0, 0.2],
ends=[(0.2, 0.1), "smooth", "flush"],
datatype=5,
)
rp.segment((4, 1))
cell.add(rp)
assertsame(target["RobustPath1"], cell)rp.bezier([(-3, 0), (-2, -3), (0, -4), (0, -5)], offset=[-0.2, 0, 0.2])
rp.bezier(
[(4.5, 0), (1, -1), (1, 5), (3, 2), (5, 2)],
width=[0.05, 0.1, 0.2],
offset=[-0.2, 0, 0.4],
relative=False,
)
cell.add(rp)
rp = gdspy.RobustPath((2, -1), 0.1, layer=7, tolerance=1e-4, max_points=0)
rp.smooth(
[(1, 0), (1, -1), (0, -1)],
angles=[numpy.pi / 3, None, -2 / 3.0 * numpy.pi, None],
cycle=True,
)
cell.add(rp)
rp = gdspy.RobustPath((2.5, -1.5), 0.1, layer=8)
rp.smooth(
[(3, -1.5), (4, -2), (5, -1), (6, -2), (7, -1.5), (7.5, -1.5)],
relative=False,
width=0.2,
)
cell.add(rp)
cell = lib.new_cell("RobustPath3")
rp = gdspy.RobustPath((0, 0), 0.1)
rp.parametric(
lambda u: numpy.array((3 * numpy.sin(numpy.pi * u), -3 * numpy.cos(numpy.pi * u))),
relative=False,
)
rp.parametric(
lambda u: numpy.array(def test_robustpath1(target):
cell = gdspy.Cell("test")
rp = gdspy.RobustPath((0, 0), 0.1, layer=[1], gdsii_path=True)
rp.segment((1, 1))
cell.add(rp)
rp = gdspy.RobustPath(
(1, 0),
0.1,
[-0.1, 0.1],
tolerance=1e-5,
ends=["round", "extended"],
layer=[2, 3],
max_points=6,
)
rp.segment((2, 1))
cell.add(rp)
rp = gdspy.RobustPath(
(2, 0), [0.1, 0.2], 0.2, ends=(0.2, 0.1), layer=4, datatype=[1, 1]
)(1, 0),
0.1,
[-0.1, 0.1],
tolerance=1e-5,
ends=["round", "extended"],
layer=[2, 3],
max_points=6,
)
rp.segment((2, 1))
cell.add(rp)
rp = gdspy.RobustPath(
(2, 0), [0.1, 0.2], 0.2, ends=(0.2, 0.1), layer=4, datatype=[1, 1]
)
rp.segment((3, 1))
cell.add(rp)
rp = gdspy.RobustPath(
(3, 0),
[0.1, 0.2, 0.1],
[-0.2, 0, 0.2],
ends=[(0.2, 0.1), "smooth", "flush"],
datatype=5,
)
rp.segment((4, 1))
cell.add(rp)
cell = lib.new_cell("RobustPath2")
rp = gdspy.RobustPath((0, 0), [0.1, 0.2, 0.1], 0.15, layer=[1, 2, 3])
rp.segment((1, 0))
rp.segment((1, 1), 0.1, 0.05)
rp.segment((1, 1), [0.2, 0.1, 0.1], -0.05, True)
rp.segment((-1, 1), 0.2, [-0.2, 0, 0.3], True)draw(gdspy.Cell("flexible_paths_1").add(sp3))
# Flexible Paths 2
# Path created with automatic bends of radius 5
points = [(0, 0), (0, 10), (20, 0), (18, 15), (8, 15)]
sp4 = gdspy.FlexPath(
points, 0.5, corners="circular bend", bend_radius=5, gdsii_path=True
)
# Same path, generated with natural corners, for comparison
sp5 = gdspy.FlexPath(points, 0.5, layer=1, gdsii_path=True)
draw(gdspy.Cell("flexible_paths_2").add([sp4, sp5]))
# Robust Paths
# Create 4 parallel paths in different layers
lp = gdspy.RobustPath(
(50, 0),
[2, 0.5, 1, 1],
[0, 0, -1, 1],
ends=["extended", "round", "flush", "flush"],
layer=[0, 2, 1, 1],
)
lp.segment((45, 0))
lp.segment(
(5, 0),
width=[lambda u: 2 + 16 * u * (1 - u), 0.5, 1, 1],
offset=[
0,
lambda u: 8 * u * (1 - u) * numpy.cos(12 * numpy.pi * u),
lambda u: -1 - 8 * u * (1 - u),
lambda u: 1 + 8 * u * (1 - u),
],gdspy
Python module for creating/importing/merging GDSII files.
