class ViaTemplate(__TempatePrimitive__):
layer1 = param.LayerField(number=3)
layer2 = param.LayerField(number=8)
via_layer = param.LayerField(number=9)
def create_elementals(self, elems):
M1 = spira.ElementList()
M2 = spira.ElementList()
contacts = spira.ElementList()
for e in elems:
if e.player.purpose == RDD.PURPOSE.METAL:
if e.player.layer == self.layer1:
M1 += e
elif e.player.layer == self.layer2:
M2 += e
if e.player.purpose == RDD.PURPOSE.PRIM.VIA:
if e.player.layer == self.via_layer:
contacts += e
for D in contacts:
for M in M1:
if D.polygon | M.polygon:
pp = D.polygon | M.polygon
# TODO: Apply DRC enclosure rule here.
D.ports[0]._update(name=D.name, layer=M.player.layer)
for M in M2:
if D.polygon | M.polygon:
pp = D.polygon | M.polygon
# TODO: Apply DRC enclosure rule here.
D.ports[1]._update(name=D.name, layer=M.player.layer)
return elems
class __ConnectLayer__(__ProcessLayer__):
midpoint = param.MidPointField()
layer1 = param.LayerField()
layer2 = param.LayerField()
port1 = param.DataField(fdef_name='create_port1')
port2 = param.DataField(fdef_name='create_port2')
def create_port1(self):
port = Port(name='P1', midpoint=self.midpoint, gdslayer=self.layer1)
return port
def create_port2(self):
port = Port(name='P2', midpoint=self.midpoint, gdslayer=self.layer2)
return port
def create_ports(self, ports):
ports += self.port1
ports += self.port2
return ports
def create_elementals(self, elems):
super().create_elementals(elems)
return elems
class ArcRoute(spira.Route):
gdslayer = param.LayerField(name='ArcLayer', number=91)
radius = param.FloatField(default=5)
width = param.FloatField(default=1)
theta = param.FloatField(default=45)
start_angle = param.FloatField(default=0)
angle_resolution = param.FloatField(default=1)
angle1 = param.DataField(fdef_name='create_angle1')
angle2 = param.DataField(fdef_name='create_angle2')
def create_angle1(self):
angle1 = (self.start_angle + 0) * np.pi / 180
return angle1
def create_angle2(self):
angle2 = (self.start_angle + self.theta + 0) * np.pi / 180
return angle2
def create_port_input(self):
midpoint = self.radius * np.cos(self.angle1), self.radius * np.sin(
self.angle1)
orientation = self.start_angle - 0 + 180 * (self.theta < 0)
port = spira.Term(name='P1',
midpoint=midpoint,
width=self.width,
length=0.2,
orientation=orientation + 180)
return port
def create_port_output(self):
midpoint = self.radius * np.cos(self.angle2), self.radius * np.sin(
self.angle2)
orientation = self.start_angle + self.theta + 180 - 180 * (self.theta <
0)
port = spira.Term(name='P2',
midpoint=midpoint,
width=self.width,
length=0.2,
orientation=orientation + 180)
return port
def create_points(self, points):
inner_radius = self.radius - self.width / 2.0
outer_radius = self.radius + self.width / 2.0
z = int(np.ceil(abs(self.theta) / self.angle_resolution))
t = np.linspace(self.angle1, self.angle2, z)
inner_points_x = (inner_radius * np.cos(t)).tolist()
inner_points_y = (inner_radius * np.sin(t)).tolist()
outer_points_x = (outer_radius * np.cos(t)).tolist()
outer_points_y = (outer_radius * np.sin(t)).tolist()
xpts = np.array(inner_points_x + outer_points_x[::-1])
ypts = np.array(inner_points_y + outer_points_y[::-1])
points = [[list(p) for p in list(zip(xpts, ypts))]]
return points
class PhysicalLayer(spira.Cell):
points = param.ListField()
layer = param.LayerField()
def create_elementals(self, elems):
for pp in self.points:
elems += Rectangle(point1=pp[0], point2=pp[1], layer=self.layer)
return elems
class CMLayers(Cell):
layer = param.LayerField()
def create_elementals(self, elems):
return elems
def set_net(self):
pass
def get_net(self):
pass
class ArcSeries(spira.Cell):
gdslayer = param.LayerField(number=91)
radius = param.FloatField(default=20)
# radius = param.FloatField(default=20 * 1e6)
width = param.FloatField(default=1.0)
# width = param.FloatField(default=1.0 * 1e6)
angular_coverage = param.FloatField(default=30)
num_steps = param.IntegerField(default=1)
angle_resolution = param.FloatField(default=0.1)
start_angle = param.IntegerField(default=0)
direction = param.StringField(default='ccw')
port1 = param.DataField()
port2 = param.DataField()
subarc = SubArcSeries
def get_subarc_routes(self):
D = SubArcSeries(gdslayer=self.gdslayer,
radius=self.radius,
width=self.width,
angular_coverage=self.angular_coverage,
num_steps=self.num_steps,
angle_resolution=self.angle_resolution,
start_angle=self.start_angle)
s1 = spira.SRef(D)
s2 = spira.SRef(D)
s2.reflect(p1=[0, 0], p2=[1, 1])
s2.connect(port='P2', destination=s1.ports['P2'])
return s1, s2
def create_elementals(self, elems):
s1, s2 = self.get_subarc_routes()
elems += s1
elems += s2
return elems
def create_ports(self, ports):
s1, s2 = self.get_subarc_routes()
# ports += s1.ports['P1'].modified_copy(name='Port_1')
# ports += s2.ports['P1'].modified_copy(name='Port_2')
return ports
class RouteBasic(spira.Cell):
route = param.ShapeField()
connect_layer = param.LayerField(
doc='GDSII layer to which the route connects.')
port1 = param.DataField(fdef_name='create_port1')
port2 = param.DataField(fdef_name='create_port2')
llayer = param.DataField(fdef_name='create_layer')
def create_layer(self):
ll = spira.Layer(number=self.connect_layer.number,
datatype=RDD.PURPOSE.TERM.datatype)
return ll
def create_elementals(self, elems):
ply = spira.Polygons(shape=self.route, gdslayer=self.connect_layer)
ply.rotate(angle=-90)
elems += ply
return elems
def create_port1(self):
term = spira.Term(name='TERM1',
midpoint=(0, 0),
width=self.route.width1,
length=0.2,
orientation=180,
gdslayer=self.llayer)
term.rotate(angle=-90)
return term
def create_port2(self):
term = spira.Term(name='TERM2',
midpoint=[self.route.x_dist, self.route.y_dist],
width=self.route.width2,
length=0.2,
orientation=0,
gdslayer=self.llayer)
term.rotate(angle=-90)
return term
def create_ports(self, ports):
ports += self.port1
ports += self.port2
return ports
class GradualFractal(spira.Cell):
"""
Creates a 90-degree bent waveguide the bending radius is
gradually increased until it reaches the minimum
value of the radius at the "angular coverage" angle.
It essentially creates a smooth transition to a bent waveguide
mode. User can control number of steps provided. Direction
determined by start angle and cw or ccw switch with the
default 10 "num_steps" and 15 degree coverage,
effective radius is about 1.5*radius.
"""
gdslayer = param.LayerField(number=91)
radius = param.FloatField(default=20)
# radius = param.FloatField(default=20 * 1e6)
width = param.FloatField(default=1.0)
# width = param.FloatField(default=1.0 * 1e6)
angular_coverage = param.FloatField(default=20)
num_steps = param.IntegerField(default=5)
angle_resolution = param.FloatField(default=0.01)
start_angle = param.IntegerField(default=0)
direction = param.StringField(default='ccw')
def create_elementals(self, elems):
D = ArcSeries(gdslayer=self.gdslayer,
radius=self.radius,
width=self.width,
angular_coverage=self.angular_coverage,
num_steps=self.num_steps,
angle_resolution=self.angle_resolution,
start_angle=self.start_angle)
# D.xmin, D.ymin = 0, 0
# Orient to default settings...
# D.reflect(p1=[0,0], p2=[1,1])
# D.reflect(p1=[0,0], p2=[1,0])
# D.rotate(angle=self.start_angle, center=D.center)
# D.center = [0, 0]
s1 = spira.SRef(D)
elems += s1
return elems
class LabelAbstract(__Label__):
gdslayer = param.LayerField()
text = param.StringField()
str_anchor = param.StringField(default='o')
rotation = param.FloatField(default=0)
magnification = param.FloatField(default=1)
reflection = param.BoolField(default=False)
texttype = param.IntegerField()
gdspy_commit = param.BoolField()
def __init__(self, position, **kwargs):
super().__init__(position, **kwargs)
def commit_to_gdspy(self, cell):
if self.__repr__() not in list(LabelAbstract.__committed__.keys()):
L = gdspy.Label(self.text,
deepcopy(self.position),
anchor='o',
rotation=self.rotation,
magnification=self.magnification,
x_reflection=self.reflection,
layer=self.gdslayer.number,
texttype=self.texttype
)
cell.add(L)
LabelAbstract.__committed__.update({self.__repr__():L})
else:
cell.add(LabelAbstract.__committed__[self.__repr__()])
def reflect(self, p1=(0,1), p2=(0,0)):
self.position = [self.position[0], -self.position[1]]
self.rotation = self.rotation * (-1)
self.rotation = np.mod(self.rotation, 360)
return self
def rotate(self, angle=45, center=(0,0)):
self.position = self.__rotate__(self.position, angle=angle, center=[0, 0])
self.rotation += angle
self.rotation = np.mod(self.rotation, 360)
return self
def point_inside(self, polygon):
return pyclipper.PointInPolygon(self.position, polygon) != 0
def transform(self, transform):
if transform['reflection']:
self.reflect(p1=[0,0], p2=[1,0])
if transform['rotation']:
self.rotate(angle=transform['rotation'])
if transform['midpoint']:
self.translate(dx=transform['midpoint'][0], dy=transform['midpoint'][1])
return self
def flat_copy(self, level=-1, commit_to_gdspy=False):
c_label = self.modified_copy(position=self.position)
if commit_to_gdspy:
self.gdspy_commit = True
return c_label
def move(self, midpoint=(0,0), destination=None, axis=None):
from spira.gdsii.elemental.port import __Port__
if destination is None:
destination = midpoint
midpoint = [0,0]
if issubclass(type(midpoint), __Port__):
o = midpoint.midpoint
elif np.array(midpoint).size == 2:
o = midpoint
elif midpoint in self.ports:
o = self.ports[midpoint].midpoint
else:
raise ValueError("[PHIDL] [DeviceReference.move()] ``midpoint`` " +
"not array-like, a port, or port name")
if issubclass(type(destination), __Port__):
d = destination.midpoint
elif np.array(destination).size == 2:
d = destination
elif destination in self.ports:
d = self.ports[destination].midpoint
else:
raise ValueError("[PHIDL] [DeviceReference.move()] ``destination`` " +
"not array-like, a port, or port name")
if axis == 'x':
d = (d[0], o[1])
if axis == 'y':
d = (o[0], d[1])
dx, dy = np.array(d) - o
super().translate(dx, dy)
return self
class SubArcSeries(spira.Cell):
gdslayer = param.LayerField(number=99)
radius = param.FloatField(default=20)
# radius = param.FloatField(default=20 * 1e6)
width = param.FloatField(default=1.0)
# width = param.FloatField(default=1.0 * 1e6)
angular_coverage = param.FloatField(default=30)
num_steps = param.IntegerField(default=1)
angle_resolution = param.FloatField(default=0.1)
start_angle = param.IntegerField(default=0)
port1 = param.DataField()
port2 = param.DataField()
def _regular_bend(self, prev_port):
""" Now connect a regular bend for
the normal curved portion. """
B = Arc(shape=ArcRoute(radius=self.radius,
width=self.width,
theta=45 - np.rad2deg(self.angular_coverage),
start_angle=self.angular_coverage,
angle_resolution=self.angle_resolution,
gdslayer=spira.Layer(number=88)))
b = spira.SRef(B)
b.connect(port='P1', destination=prev_port)
p0 = b.ports['P2']
self.port2 = spira.Term(
name='P2',
midpoint=p0.midpoint,
# midpoint=scu(p0.midpoint),
width=p0.width,
orientation=p0.orientation)
return b
def create_elementals(self, elems):
self.angular_coverage = np.deg2rad(self.angular_coverage)
inc_rad = (self.radius**-1) / self.num_steps
angle_step = self.angular_coverage / self.num_steps
print('inc_rad: {}'.format(inc_rad))
print('angle_step: {}'.format(angle_step))
arcs = []
for x in range(self.num_steps):
A = Arc(shape=ArcRoute(radius=1 / ((x + 1) * inc_rad),
width=self.width,
theta=np.rad2deg(angle_step),
start_angle=x * np.rad2deg(angle_step),
angle_resolution=self.angle_resolution,
gdslayer=self.gdslayer))
a = spira.SRef(A)
elems += a
arcs.append(a)
if x > 0:
a.connect(port='P1', destination=prevPort)
prevPort = a.ports['P2']
self.port1 = arcs[0].ports['P1']
elems += self._regular_bend(prevPort)
return elems
def create_ports(self, ports):
ports += self.port1
ports += self.port2
return ports
class __Shape__(FieldInitializer):
center = param.PointField()
gdslayer = param.LayerField()
clockwise = param.BoolField(default=False)
points = param.PointArrayField(fdef_name='create_points')
apply_merge = param.DataField(fdef_name='create_merged_points')
simplify = param.DataField(fdef_name='create_simplified_points')
edges = param.DataField(fdef_name='create_edge_lines')
def __init__(self, **kwargs):
super().__init__(**kwargs)
def create_points(self, points):
return points
def create_merged_points(self):
""" """
from spira.gdsii.utils import scale_polygon_up as spu
from spira.gdsii.utils import scale_polygon_down as spd
polygons = spu(self.points)
self.points = []
for poly in polygons:
if pyclipper.Orientation(poly) is False:
reverse_poly = pyclipper.ReversePath(poly)
solution = pyclipper.SimplifyPolygon(reverse_poly)
else:
solution = pyclipper.SimplifyPolygon(poly)
for sol in solution:
self.points.append(sol)
self.points = bool_operation(subj=self.points, method='union')
self.points = spd(self.points)
return self
def create_simplified_points(self):
""" """
from shapely.geometry import Polygon as ShapelyPolygon
value = 1
polygons = self.points
self.points = []
for points in polygons:
factor = (len(points) / 100) * 1e5 * value
sp = ShapelyPolygon(points).simplify(factor)
pp = [[p[0], p[1]] for p in sp.exterior.coords]
self.points.append(pp)
return self
def reflect(self, p1=(0, 1), p2=(0, 0)):
""" Reflect across a line. """
points = np.array(self.points[0])
p1 = np.array(p1)
p2 = np.array(p2)
if np.asarray(points).ndim == 1:
t = np.dot((p2 - p1), (points - p1)) / norm(p2 - p1)**2
pts = 2 * (p1 + (p2 - p1) * t) - points
if np.asarray(points).ndim == 2:
pts = np.array([0, 0])
for p in points:
t = np.dot((p2 - p1), (p - p1)) / norm(p2 - p1)**2
r = np.array(2 * (p1 + (p2 - p1) * t) - p)
pts = np.vstack((pts, r))
self.points = [pts]
return self
def rotate(self, angle=45, center=(0, 0)):
""" Rotate points with an angle around a center. """
points = np.array(self.points[0])
angle = angle * np.pi / 180
ca = np.cos(angle)
sa = np.sin(angle)
sa = np.array((-sa, sa))
c0 = np.array(center)
if np.asarray(points).ndim == 2:
pts = (points - c0) * ca + (points - c0)[:, ::-1] * sa + c0
pts = np.round(pts, 6)
if np.asarray(points).ndim == 1:
pts = (points - c0) * ca + (points - c0)[::-1] * sa + c0
pts = np.round(pts, 6)
self.points = [pts]
return self
@property
def orientation(self):
""" Returns the orientation of the shape:
+1(counterclock) or -1(clock) """
# FIXME: Error with multiple shapes: [[[s1], [s2]]]
pts = self.points[0]
T = np.roll(np.roll(pts, 1, 1), 1, 0)
return -np.sign(sum(np.diff(pts * T, 1, 1)))
@property
def area(self):
""" Returns the area of the shape. """
pts = self.points[0]
T = np.roll(np.roll(pts, 1, 1), 1, 0)
return sum(abs(np.diff(pts * T, 1, 1))) * 0.5
@property
def count(self):
""" number of points in the shape """
return self.__len__()
@property
def reverse(self):
pass
def move(self, pos):
p = np.array([pos[0], pos[1]])
self.points += p
return self
def transform(self):
pass
def point_inside(self):
pass
def index(self, item):
pass
class CellA(spira.Cell):
layer = param.LayerField(number=18, datatype=1)
boolean = param.BoolField(default=False)
fvalue = param.FloatField(default=0.0)
class PhysicalLayer(__Layer__):
"""
"""
doc = param.StringField()
layer = param.LayerField()
purpose = PurposeLayerField()
data = param.DataField(default=ProcessTree())
def __init__(self, **kwargs):
ElementalInitializer.__init__(self, **kwargs)
def __repr__(self):
string = '[SPiRA: PhysicalLayer] (layer \'{}\', symbol \'{}\')'
return string.format(self.layer.name, self.purpose.symbol)
def __str__(self):
return self.__repr__()
def __eq__(self, other):
if isinstance(other, PhysicalLayer):
return other.key == self.key
# elif isinstance(other, Layer):
# return other.number == self.layer.number
elif isinstance(other, int):
return other == self.layer.number
else:
raise ValueError('Not Implemented!')
def __neq__(self, other):
if isinstance(other, PhysicalLayer):
return other.key != self.key
# elif isinstance(other, Layer):
# return other.number != self.layer.number
elif isinstance(other, int):
return other != self.layer.number
else:
raise ValueError('Not Implemented!')
# def __add__(self, other):
# if isinstance(other, PhysicalLayer):
# d = self.datatype + other.datatype
# elif isinstance(other, int):
# d = self.datatype + other
# else:
# raise ValueError('Not Implemented')
# return PurposeLayer(datatype=d)
# def __iadd__(self, other):
# if isinstance(other, PhysicalLayer):
# self.datatype += other.datatype
# elif isinstance(other, int):
# self.datatype += other
# else:
# raise ValueError('Not Implemented')
# return self
@property
def key(self):
return (self.layer.number, self.purpose.symbol)
class __DoubleLayerDesignRule__(__DesignRule__):
""" Rule applying to a specific layer """
layer1 = param.LayerField()
layer2 = param.LayerField()
class CGLayers(Cell):
layer = param.LayerField()
def create_elementals(self, elems):
return elems
class PortAbstract(__Port__):
name = param.StringField()
midpoint = param.MidPointField()
orientation = param.IntegerField()
parent = param.DataField()
gdslayer = param.LayerField(name='PortLayer', number=64)
poly_layer = param.LayerField(name='PortLayer', number=64)
text_layer = param.LayerField(name='PortLayer', number=63)
def __init__(self, port=None, polygon=None, **kwargs):
super().__init__(**kwargs)
self.orientation = np.mod(self.orientation, 360)
L = spira.Label(position=self.midpoint,
text=self.name,
gdslayer=self.gdslayer,
texttype=self.text_layer.number)
self.label = L
self.arrow = None
@property
def endpoints(self):
dx = self.width / 2 * np.cos((self.orientation - 90) * np.pi / 180)
dy = self.width / 2 * np.sin((self.orientation - 90) * np.pi / 180)
left_point = self.midpoint - np.array([dx, dy])
right_point = self.midpoint + np.array([dx, dy])
return np.array([left_point, right_point])
@endpoints.setter
def endpoints(self, points):
p1, p2 = np.array(points[0]), np.array(points[1])
self.midpoint = (p1 + p2) / 2
dx, dy = p2 - p1
self.orientation = np.arctan2(dx, dy) * 180 / np.pi
self.width = np.sqrt(dx**2 + dy**2)
@property
def normal(self):
dx = np.cos((self.orientation) * np.pi / 180)
dy = np.sin((self.orientation) * np.pi / 180)
return np.array([self.midpoint, self.midpoint + np.array([dx, dy])])
def point_inside(self, polygon):
return pyclipper.PointInPolygon(self.midpoint, polygon) != 0
def flat_copy(self, level=-1, commit_to_gdspy=False):
c_port = self.modified_copy(midpoint=self.midpoint)
if commit_to_gdspy:
self.gdspy_write = True
return c_port
def commit_to_gdspy(self, cell):
if self.__repr__() not in list(__Port__.__committed__.keys()):
# self.polygon.rotate(angle=self.orientation)
# self.polygon.move(midpoint=self.polygon.center, destination=self.midpoint)
self.polygon.commit_to_gdspy(cell)
self.label.commit_to_gdspy(cell)
if self.arrow:
# print(self.orientation)
# self.arrow.rotate(angle=45)
# self.arrow.rotate(angle=90)
# self.arrow.rotate(angle=90-self.orientation)
self.arrow.move(midpoint=self.arrow.center,
destination=self.midpoint)
self.arrow.commit_to_gdspy(cell)
__Port__.__committed__.update({self.__repr__(): self})
def reflect(self):
""" Reflect around the x-axis. """
self.midpoint = [self.midpoint[0], -self.midpoint[1]]
self.orientation = -self.orientation
self.orientation = np.mod(self.orientation, 360)
self.polygon.reflect()
if self.arrow:
self.arrow.reflect()
return self
def rotate(self, angle=45, center=(0, 0)):
""" Rotate port around the center with angle. """
self.midpoint = self.__rotate__(self.midpoint,
angle=angle,
center=center)
self.orientation += angle
self.orientation = np.mod(self.orientation, 360)
self.polygon.rotate(angle=self.orientation)
if self.arrow:
# self.arrow.rotate(angle=angle)
self.arrow.rotate(angle=np.mod(angle, 90))
return self
def translate(self, dx, dy):
""" Translate port by dx and dy. """
self.midpoint = self.midpoint + np.array([dx, dy])
return self
def move(self, midpoint=(0, 0), destination=None, axis=None):
from spira.gdsii.elemental.port import __Port__
if destination is None:
destination = midpoint
midpoint = [0, 0]
if issubclass(type(midpoint), __Port__):
o = midpoint.midpoint
elif np.array(midpoint).size == 2:
o = midpoint
elif midpoint in self.ports:
o = self.ports[midpoint].midpoint
else:
raise ValueError("[PHIDL] [DeviceReference.move()] ``midpoint`` " +
"not array-like, a port, or port name")
if issubclass(type(destination), __Port__):
d = destination.midpoint
elif np.array(destination).size == 2:
d = destination
elif destination in self.ports:
d = self.ports[destination].midpoint
else:
raise ValueError(
"[PHIDL] [DeviceReference.move()] ``destination`` " +
"not array-like, a port, or port name")
if axis == 'x':
d = (d[0], o[1])
if axis == 'y':
d = (o[0], d[1])
dx, dy = np.array(d) - o
self.translate(dx, dy)
self.label.move(midpoint=self.label.position,
destination=self.midpoint)
self.polygon.move(midpoint=self.polygon.center,
destination=self.midpoint)
if self.arrow:
self.arrow.move(midpoint=self.polygon.center,
destination=self.midpoint)
return self
def stretch(self, stretch_class):
""" Stretch port by with the given stretch class. """
p = stretch_class.apply(self.midpoint)
self.midpoint = p
return self
def transform(self, T):
""" Transform port with the given transform class. """
if T['reflection']:
self.reflect()
self.label.reflect()
self.polygon.reflect()
if self.arrow:
self.arrow.reflect()
if T['rotation']:
self.rotate(angle=T['rotation'], center=(0, 0))
self.label.rotate(angle=T['rotation'])
self.polygon.rotate(angle=T['rotation'])
if self.arrow:
self.arrow.rotate(angle=T['rotation'])
if T['midpoint']:
self.translate(dx=T['midpoint'][0], dy=T['midpoint'][1])
self.label.move(midpoint=self.label.position,
destination=self.midpoint)
self.polygon.move(midpoint=self.polygon.center,
destination=self.midpoint)
if self.arrow:
self.arrow.move(midpoint=self.polygon.center,
destination=self.midpoint)
return self
def _update(self, name, layer):
ll = deepcopy(layer)
ll.datatype = 65
self.polygon.gdslayer = ll
self.label.gdslayer = ll
class MeshAbstract(__Mesh__):
""" Class that connects a meshio generated mesh with
a networkx generated graph of the set of polygons. """
name = param.StringField()
layer = param.LayerField()
point_data = param.ElementListField()
cell_data = param.ElementListField()
field_data = param.ElementListField()
node_sets = param.ElementListField()
gmsh_periodic = param.ElementListField()
mesh_graph = param.DataField(fdef_name='create_mesh_graph')
def __init__(self, polygons, points, cells, **kwargs):
super().__init__(polygons, points, cells, **kwargs)
def create_mesh_graph(self):
""" Create a graph from the meshed geometry. """
ll = len(self.points)
A = np.zeros((ll, ll), dtype=np.int64)
for n, triangle in enumerate(self.__triangles__()):
self.add_edges(n, triangle, A)
for n, triangle in enumerate(self.__triangles__()):
self.add_positions(n, triangle)
def add_edges(self, n, tri, A):
def update_adj(self, t1, adj_mat, v_pair):
if (adj_mat[v_pair[0]][v_pair[1]] != 0):
t2 = adj_mat[v_pair[0]][v_pair[1]] - 1
self.g.add_edge(t1, t2, label=None)
else:
adj_mat[v_pair[0]][v_pair[1]] = t1 + 1
adj_mat[v_pair[1]][v_pair[0]] = t1 + 1
v1 = [tri[0], tri[1], tri[2]]
v2 = [tri[1], tri[2], tri[0]]
for v_pair in list(zip(v1, v2)):
update_adj(self, n, A, v_pair)
def add_positions(self, n, tri):
pp = self.points
n1, n2, n3 = pp[tri[0]], pp[tri[1]], pp[tri[2]]
sum_x = 1e+8 * (n1[0] + n2[0] + n3[0]) / 3.0
sum_y = 1e+8 * (n1[1] + n2[1] + n3[1]) / 3.0
self.g.node[n]['vertex'] = tri
self.g.node[n]['pos'] = [sum_x, sum_y]
def __triangles__(self):
if 'triangle' not in self.cells:
raise ValueError('Triangle not found in cells')
return self.cells['triangle']
def __physical_triangles__(self):
if 'triangle' not in self.cell_data[0]:
raise ValueError('Triangle not in meshio cell_data')
if 'gmsh:physical' not in self.cell_data[0]['triangle']:
raise ValueError('Physical not found ing meshio triangle')
return self.cell_data[0]['triangle']['gmsh:physical'].tolist()
def __layer_triangles_dict__(self):
"""
Arguments
---------
tri : list
The surface_id of the triangle
corresponding to the index value.
key -> 5_0_1 (layer_datatype_polyid)
value -> [1 2] (1=surface_id 2=triangle)
"""
triangles = {}
for name, value in self.field_data[0].items():
for n in self.g.nodes():
surface_id = value[0]
ptriangles = self.__physical_triangles__()
if ptriangles[n] == surface_id:
layer = int(name.split('_')[0])
datatype = int(name.split('_')[1])
key = (layer, datatype)
if key in triangles:
triangles[key].append(n)
else:
triangles[key] = [n]
return triangles
def __triangle_nodes__(self):
""" Get triangle field_data in list form. """
nodes = []
for v in self.__layer_triangles_dict__().values():
nodes.extend(v)
triangles = {}
for n in nodes:
for node, triangle in enumerate(self.__triangles__()):
if n == node:
triangles[n] = triangle
return triangles
def __point_data__(self):
pass
def flat_copy(self, level=-1, commit_to_gdspy=False):
return self
def flatten(self):
return [self]
def commit_to_gdspy(self, cell):
pass
def transform(self, transform):
return self
class __Manhattan__(spira.Cell):
port1 = param.DataField()
port2 = param.DataField()
length = param.FloatField(default=20)
gdslayer = param.LayerField(number=13)
radius = param.IntegerField(default=1)
bend_type = param.StringField(default='circular')
b1 = param.DataField(fdef_name='create_arc_bend_1')
b2 = param.DataField(fdef_name='create_arc_bend_2')
p1 = param.DataField(fdef_name='create_port1_position')
p2 = param.DataField(fdef_name='create_port2_position')
quadrant_one = param.DataField(fdef_name='create_quadrant_one')
quadrant_two = param.DataField(fdef_name='create_quadrant_two')
quadrant_three = param.DataField(fdef_name='create_quadrant_three')
quadrant_four = param.DataField(fdef_name='create_quadrant_four')
def _generate_route(self, p1, p2):
route = RouteShape(port1=p1,
port2=p2,
path_type='straight',
width_type='straight')
R1 = RouteBasic(route=route, connect_layer=self.gdslayer)
r1 = spira.SRef(R1)
r1.rotate(angle=p2.orientation - 180, center=R1.port1.midpoint)
r1.move(midpoint=(0, 0), destination=p1.midpoint)
return r1
def create_port1_position(self):
p1 = [self.port1.midpoint[0], self.port1.midpoint[1]]
if self.port1.orientation == 90:
p1 = [self.port1.midpoint[1], -self.port1.midpoint[0]]
if self.port1.orientation == 180:
p1 = [-self.port1.midpoint[0], -self.port1.midpoint[1]]
if self.port1.orientation == 270:
p1 = [-self.port1.midpoint[1], self.port1.midpoint[0]]
return p1
def create_port2_position(self):
p2 = [self.port2.midpoint[0], self.port2.midpoint[1]]
if self.port1.orientation == 90:
p2 = [self.port2.midpoint[1], -self.port2.midpoint[0]]
if self.port1.orientation == 180:
p2 = [-self.port2.midpoint[0], -self.port2.midpoint[1]]
if self.port1.orientation == 270:
p2 = [-self.port2.midpoint[1], self.port2.midpoint[0]]
return p2
def create_arc_bend_1(self):
if self.bend_type == 'circular':
B1 = Arc(shape=ArcRoute(
radius=self.radius,
width=self.port1.width,
gdslayer=self.gdslayer,
# gdslayer=spira.Layer(number=18),
start_angle=0,
theta=90))
return spira.SRef(B1)
def create_arc_bend_2(self):
if self.bend_type == 'circular':
B2 = Arc(shape=ArcRoute(
radius=self.radius,
width=self.port1.width,
gdslayer=self.gdslayer,
# gdslayer=spira.Layer(number=18),
start_angle=0,
theta=-90))
return spira.SRef(B2)
class PolygonAbstract(__Polygon__):
gdslayer = param.LayerField()
gdspy_commit = param.BoolField()
clockwise = param.BoolField(default=True)
nodes = param.DataField(fdef_name='create_nodes')
edges = param.DataField(fdef_name='create_edges')
def __init__(self, shape, **kwargs):
from spira.lgm.shapes.shape import __Shape__
from spira.lgm.shapes.shape import Shape
if issubclass(type(shape), __Shape__):
self.shape = shape
elif isinstance(shape, (list, set, np.ndarray)):
self.shape = Shape(points=shape)
else:
raise ValueError('Shape type not supported!')
ElementalInitializer.__init__(self, **kwargs)
gdspy.PolygonSet.__init__(self,
self.shape.points,
layer=self.gdslayer.number,
datatype=self.gdslayer.datatype,
verbose=False)
def create_nodes(self):
""" Created nodes of each point in the polygon array.
Converting a point to a node allows us to bind
other objects to that specific node or point. """
pass
def create_edges(self):
""" A list of tuples containing two nodes. """
pass
def move_edge(self):
pass
def commit_to_gdspy(self, cell):
if self.__repr__() not in list(PolygonAbstract.__committed__.keys()):
ply = deepcopy(self.shape.points)
P = gdspy.PolygonSet(ply, self.gdslayer.number,
self.gdslayer.datatype)
cell.add(P)
PolygonAbstract.__committed__.update({self.__repr__(): P})
else:
cell.add(PolygonAbstract.__committed__[self.__repr__()])
def flat_copy(self, level=-1, commit_to_gdspy=False):
elems = []
for points in self.shape.points:
c_poly = self.modified_copy(shape=deepcopy([points]),
gdspy_commit=self.gdspy_commit)
elems.append(c_poly)
if commit_to_gdspy:
self.gdspy_commit = True
return elems
def merge(self, other):
if isinstance(other, (list, set)):
pass
elif isinstance(other, Polygons):
pass
else:
raise ValueError('Type is not supported for Polygon merging.')
def transform(self, transform):
if transform['reflection']:
self.reflect(p1=[0, 0], p2=[1, 0])
if transform['rotation']:
self.rotate(angle=transform['rotation'])
if transform['midpoint']:
self.translate(dx=transform['midpoint'][0],
dy=transform['midpoint'][1])
self.shape.points = self.polygons
return self
def reflect(self, p1=(0, 1), p2=(0, 0)):
for n, points in enumerate(self.shape.points):
self.shape.points[n] = self.__reflect__(points, p1, p2)
self.shape.points = self.polygons
return self
def rotate(self, angle=45, center=(0, 0)):
super().rotate(angle=angle * np.pi / 180, center=center)
self.shape.points = self.polygons
return self
def translate(self, dx, dy):
super().translate(dx=dx, dy=dy)
self.shape.points = self.polygons
return self
def stretch(self, stretch_class):
p = stretch_class.apply_to_polygon(self.points[0])
self.shape.points = [np.array(p)]
return self
def move(self, midpoint=(0, 0), destination=None, axis=None):
from spira.gdsii.elemental.port import __Port__
""" Moves elements of the Device from the midpoint point to the destination. Both
midpoint and destination can be 1x2 array-like, Port, or a key
corresponding to one of the Ports in this device """
if destination is None:
destination = midpoint
midpoint = [0, 0]
if issubclass(type(midpoint), __Port__):
o = midpoint.midpoint
elif np.array(midpoint).size == 2:
o = midpoint
elif midpoint in self.ports:
o = self.ports[midpoint].midpoint
else:
raise ValueError("[PHIDL] [DeviceReference.move()] ``midpoint`` " +
"not array-like, a port, or port name")
if issubclass(type(destination), __Port__):
d = destination.midpoint
elif np.array(destination).size == 2:
d = destination
elif destination in self.ports:
d = self.ports[destination].midpoint
else:
raise ValueError(
"[PHIDL] [DeviceReference.move()] ``destination`` " +
"not array-like, a port, or port name")
if axis == 'x':
d = (d[0], o[1])
if axis == 'y':
d = (o[0], d[1])
dx, dy = np.array(d) - o
self.translate(dx, dy)
return self
def fast_boolean(self, other, operation):
mm = gdspy.fast_boolean(self.shape.points,
other.shape.points,
operation=operation)
return Polygons(shape=mm.points, gdslayer=self.gdslayer)
