class PurposeLayer(__Layer__):
doc = param.StringField()
name = param.StringField()
datatype = param.IntegerField()
symbol = param.StringField()
def __init__(self, **kwargs):
ElementalInitializer.__init__(self, **kwargs)
# def __repr__(self):
# string = '[SPiRA: PurposeLayer] (\'{}\', datatype {}, symbol \'{}\')'
# return string.format(self.name, self.datatype, self.symbol)
def __eq__(self, other):
if isinstance(other, PurposeLayer):
return self.key == other.key
else:
raise ValueError('Not Implemented!')
def __ne__(self, other):
if isinstance(other, PurposeLayer):
return self.key != other.key
else:
raise ValueError('Not Implemented!')
def __add__(self, other):
if isinstance(other, PurposeLayer):
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, PurposeLayer):
self.datatype += other.datatype
elif isinstance(other, int):
self.datatype += other
else:
raise ValueError('Not Implemented')
return self
def __deepcopy__(self, memo):
return PurposeLayer(
name=self.name,
datatype=self.datatype,
symbol=self.symbol
)
@property
def key(self):
return (self.datatype, self.symbol)
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 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 __ProcessLayer__(Cell):
doc = param.StringField()
points = param.ElementListField()
# points = param.PointArrayField()
number = param.IntegerField()
error_type = param.IntegerField()
layer = param.DataField(fdef_name='create_layer')
player = param.DataField(fdef_name='create_polygon_layer')
def create_polygon_layer(self):
return Polygons(shape=self.points, gdslayer=self.layer)
def create_layer(self):
return Layer(name=self.name, number=self.number, datatype=self.error_type)
def create_elementals(self, elems):
elems += self.player
return elems
class GeometryAbstract(__Geometry__):
_ID = 0
name = param.StringField()
layer = param.IntegerField()
dimension = param.IntegerField(default=2)
algorithm = param.IntegerField(default=6)
polygons = param.ElementListField()
# gmsh_elements = param.ElementListField()
create_mesh = param.DataField(fdef_name='create_meshio')
elements = param.DataField(fdef_name='create_pygmsh_elements')
def __init__(self, lcar=0.01, **kwargs):
super().__init__(lcar=lcar, **kwargs)
def create_meshio(self):
"""
Generates a GMSH mesh, which is saved in the `debug` folder.
Arguments
---------
mesh : dict
Dictionary containing all the necessary mesh information.
"""
if len(self.__surfaces__()) > 1:
self.geom.boolean_union(self.__surfaces__())
directory = os.getcwd() + '/debug/gmsh/'
mesh_file = '{}{}.msh'.format(directory, self.name)
geo_file = '{}{}.geo'.format(directory, self.name)
vtk_file = '{}{}.vtu'.format(directory, self.name)
if not os.path.exists(directory):
os.makedirs(directory)
mesh_data = pygmsh.generate_mesh(self.geom,
verbose=False,
dim=self.dimension,
prune_vertices=False,
remove_faces=False,
geo_filename=geo_file)
mm = meshio.Mesh(*mesh_data)
meshio.write(mesh_file, mm)
meshio.write(vtk_file, mm)
# params = {
# 'name': self.name,
# 'layer': spira.Layer(number=self.layer),
# 'points': [mesh_data[0]],
# 'cells': [mesh_data[1]],
# 'point_data': [mesh_data[2]],
# 'cell_data': [mesh_data[3]],
# 'field_data': [mesh_data[4]]
# }
# return params
return mesh_data
def create_pygmsh_elements(self):
print('number of polygons {}'.format(len(self.polygons)))
height = 0.0
holes = None
elems = ElementList()
for ply in self.polygons:
for i, points in enumerate(ply.polygons):
pp = numpy_to_list(points, height, unit=10e-9)
surface_label = '{}_{}_{}_{}'.format(ply.gdslayer.number,
ply.gdslayer.datatype,
GeometryAbstract._ID, i)
gp = self.geom.add_polygon(pp,
lcar=1.0,
make_surface=True,
holes=holes)
self.geom.add_physical_surface(gp.surface, label=surface_label)
elems += [gp.surface, gp.line_loop]
GeometryAbstract._ID += 1
return elems
def extrude_surfaces(self, geom, surfaces):
""" This extrudes the surface to a 3d volume element. """
for i, surface in enumerate(surfaces):
width = float(self.width) * scale
ex = self.geom.extrude(surface, [0, 0, width])
unique_id = '{}_{}'.format(polygons._id, i)
volume = self.geom.add_physical_volume(ex[1], unique_id)
self.extrude.append(ex[1])
self.volume.append(volume)
def geom_holes(self):
"""
Create a list of gmsh surfaces from the mask polygons
generated by the gdsii package.
Arguments
---------
surfaces : list
list of pygmsh surface objects.
"""
print('number of polygons {}'.format(len(self.e.polygons)))
dim = 2
height = 0.0
material_stack = None
for i, points in enumerate(self.e.polygons):
if dim == 3:
height = self.vertical_position(material_stack)
pp = numpy_to_list(points, height, unit=self.e.unit)
gp = geom.add_polygon(pp, lcar=1.0, make_surface=true)
line_loops.append(gp.line_loop)
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 __DesignRule__(ElementalInitializer):
violate = param.BoolField()
doc = param.StringField()
name = param.StringField()
class __DeviceLayer__(Cell):
doc = param.StringField()
name = param.StringField()
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 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 RouteShape(shapes.Shape):
port1 = param.DataField()
port2 = param.DataField()
num_path_pts = param.IntegerField(default=99)
path_type = param.StringField(default='sine')
width_type = param.StringField(default='straight')
width1 = param.FloatField(default=None)
width2 = param.FloatField(default=None)
x_dist = param.FloatField()
y_dist = param.FloatField()
def create_points(self, points):
point_a = np.array(self.port1.midpoint)
if self.width1 is None:
self.width1 = self.port1.width
point_b = np.array(self.port2.midpoint)
if self.width2 is None:
self.width2 = self.port2.width
if round(
abs(mod(self.port1.orientation - self.port2.orientation, 360)),
3) != 180:
raise ValueError('Ports do not face eachother.')
orientation = self.port1.orientation - 90
separation = point_b - point_a
distance = norm(separation)
rotation = np.arctan2(separation[1], separation[0]) * 180 / pi
angle = rotation - orientation
forward_distance = distance * cos(angle * pi / 180)
lateral_distance = distance * sin(angle * pi / 180)
xf = forward_distance
yf = lateral_distance
self.x_dist = xf
self.y_dist = yf
if self.path_type == 'straight':
curve_fun = lambda t: [xf * t, yf * t]
curve_deriv_fun = lambda t: [xf + t * 0, 0 + t * 0]
if self.path_type == 'sine':
curve_fun = lambda t: [xf * t, yf * (1 - cos(t * pi)) / 2]
curve_deriv_fun = lambda t: [
xf + t * 0, yf * (sin(t * pi) * pi) / 2
]
if self.width_type == 'straight':
width_fun = lambda t: (self.width2 - self.width1) * t + self.width1
if self.width_type == 'sine':
width_fun = lambda t: (self.width2 - self.width1) * (1 - cos(
t * pi)) / 2 + self.width1
route_path = gdspy.Path(width=self.width1, initial_point=(0, 0))
route_path.parametric(curve_fun,
curve_deriv_fun,
number_of_evaluations=self.num_path_pts,
max_points=199,
final_width=width_fun,
final_distance=None)
points = route_path.polygons
return points
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 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 CellAbstract(__Cell__):
name = param.StringField()
ports = param.ElementListField(fdef_name='create_ports')
elementals = param.ElementListField(fdef_name='create_elementals')
def create_elementals(self, elems):
result = ElementList()
return result
def create_ports(self, ports):
return ports
def flatten(self):
self.elementals = self.elementals.flatten()
return self.elementals
def flat_copy(self, level=-1, commit_to_gdspy=False):
self.elementals = self.elementals.flat_copy(level, commit_to_gdspy)
return self.elementals
def dependencies(self):
deps = self.elementals.dependencies()
deps += self
return deps
def commit_to_gdspy(self):
cell = gdspy.Cell(self.name, exclude_from_current=True)
for e in self.elementals:
if issubclass(type(e), Cell):
for elem in e.elementals:
elem.commit_to_gdspy(cell=cell)
for port in e.ports:
port.commit_to_gdspy(cell=cell)
elif not isinstance(e, (SRef, ElementList, Graph, Mesh)):
e.commit_to_gdspy(cell=cell)
return cell
def move(self, midpoint=(0, 0), destination=None, axis=None):
"""
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('[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('[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
for e in self.elementals:
if issubclass(type(e), (LabelAbstract, PolygonAbstract)):
e.translate(dx, dy)
if isinstance(e, (Cell, SRef)):
e.move(destination=d, midpoint=o)
for p in self.ports:
mc = np.array(p.midpoint) + np.array(d) - np.array(o)
p.move(midpoint=p.midpoint, destination=mc)
return self
def reflect(self, p1=(0, 1), p2=(0, 0)):
""" Reflects the cell around the line [p1, p2]. """
for e in self.elementals:
if not issubclass(type(e), (LabelAbstract, __Port__)):
e.reflect(p1, p2)
for p in self.ports:
p.midpoint = self.__reflect__(p.midpoint, p1, p2)
phi = np.arctan2(p2[1] - p1[1], p2[0] - p1[0]) * 180 / np.pi
p.orientation = 2 * phi - p.orientation
return self
def rotate(self, angle=45, center=(0, 0)):
""" Rotates the cell with angle around a center. """
if angle == 0:
return self
for e in self.elementals:
if issubclass(type(e), PolygonAbstract):
e.rotate(angle=angle, center=center)
elif isinstance(e, SRef):
e.rotate(angle, center)
ports = self.ports
self.ports = ElementList()
for p in ports:
if issubclass(type(p), __Port__):
p.midpoint = self.__rotate__(p.midpoint, angle, center)
p.orientation = np.mod(p.orientation + angle, 360)
self.ports += p
return self
def get_ports(self, level=None):
""" Returns copies of all the ports of the Device """
port_list = [p._copy() for p in self.ports]
if level is None or level > 0:
for r in self.elementals.sref:
if level is None:
new_level = None
else:
new_level = level - 1
ref_ports = r.ref.get_ports(level=new_level)
tf = {
'midpoint': r.midpoint,
'rotation': r.rotation,
'magnification': r.magnification,
'reflection': r.reflection
}
ref_ports_transformed = []
for rp in ref_ports:
new_port = rp._copy()
new_port = new_port.transform(tf)
ref_ports_transformed.append(new_port)
port_list += ref_ports_transformed
return port_list