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remove base_cell
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@joamatab
joamatab committed Jun 20, 2024
1 parent f79ff32 commit 9dd5407
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Showing 70 changed files with 1,621 additions and 2,966 deletions.
163 changes: 13 additions & 150 deletions cspdk/si220/cells.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,6 @@
import numpy as np
from gdsfactory.components.bend_euler import _bend_euler
from gdsfactory.components.grating_coupler_elliptical import grating_tooth_points
from gdsfactory.port import Port
from gdsfactory.typings import Component, ComponentSpec, CrossSectionSpec, LayerSpec

from cspdk.si220.config import PATH
Expand Down Expand Up @@ -57,46 +56,9 @@ def straight(


@gf.cell
def wire_corner(
cross_section: CrossSectionSpec = "metal_routing", **kwargs
) -> Component:
"""Returns 45 degrees electrical corner wire.
Args:
cross_section: spec.
kwargs: cross_section parameters.
"""
x = gf.get_cross_section(cross_section, **kwargs)
layer = x.layer
width = x.width

c = Component()
a = width / 2
xpts = [-a, a, a, -a]
ypts = [-a, -a, a, a]

c.add_polygon(list(zip(xpts, ypts)), layer=layer)

c.add_port(
name="e1",
center=(0, 0),
width=width,
orientation=180,
layer=layer,
port_type="electrical",
)
c.add_port(
name="e2",
center=(0, 0),
width=width,
orientation=90,
layer=layer,
port_type="electrical",
)
c.info["length"] = width
c.info["dy"] = width
x.add_bbox(c)
return c
def wire_corner(width: float = 10) -> Component:
"""Returns 45 degrees electrical corner wire."""
return gf.c.wire_corner(cross_section="metal_routing", width=width)


@gf.cell
Expand Down Expand Up @@ -193,90 +155,18 @@ def taper(
length: float = 10.0,
width1: float = 0.5,
width2: float | None = None,
port: Port | None = None,
with_two_ports: bool = True,
cross_section: CrossSectionSpec = "strip",
port_names: tuple[str, str] = ("o1", "o2"),
port_types: tuple[str, str] = ("optical", "optical"),
with_bbox: bool = True,
**kwargs,
) -> Component:
"""Linear taper, which tapers only the main cross section section.
Args:
length: taper length.
width1: width of the west/left port.
width2: width of the east/right port. Defaults to width1.
port: can taper from a port instead of defining width1.
with_two_ports: includes a second port.
False for terminator and edge coupler fiber interface.
cross_section: specification (CrossSection, string, CrossSectionFactory dict).
port_names: Ordered tuple of port names. First port is default \
taper port, second name only if with_two_ports flags used.
port_types: Ordered tuple of port types. First port is default \
taper port, second name only if with_two_ports flags used.
with_bbox: box in bbox_layers and bbox_offsets to avoid DRC sharp edges.
kwargs: cross_section settings.
"""
x1 = gf.get_cross_section(cross_section, width=width1, **kwargs)
if width2:
width2 = gf.snap.snap_to_grid2x(width2)
x2 = gf.get_cross_section(cross_section, width=width2, **kwargs)
else:
x2 = x1

width1 = x1.width
width2 = x2.width
width_max = max([width1, width2])
x = gf.get_cross_section(cross_section, width=width_max, **kwargs)
layer = x.layer

if isinstance(port, gf.Port) and width1 is None:
width1 = port.width

width2 = width2 or width1
c = gf.Component()
y1 = width1 / 2
y2 = width2 / 2

if length:
p1 = gf.kdb.DPolygon([(0, y1), (length, y2), (length, -y2), (0, -y1)])
c.add_polygon(p1, layer=layer)

s0_width = x.sections[0].width

for section in x.sections[1:]:
delta_width = section.width - s0_width
p2 = p1.sized(delta_width / 2)
c.add_polygon(p2, layer=section.layer)

if with_bbox:
x.add_bbox(c)
c.add_port(
name=port_names[0],
center=(0, 0),
width=width1,
orientation=180,
layer=x.layer,
cross_section=x1,
port_type=port_types[0],
return gf.c.taper(
length=length, width1=width1, width2=width2, cross_section=cross_section
)
if with_two_ports:
c.add_port(
name=port_names[1],
center=(length, 0),
width=width2,
orientation=0,
layer=x.layer,
cross_section=x2,
port_type=port_types[1],
)

x.add_bbox(c)
c.info["length"] = length
c.info["width1"] = float(width1)
c.info["width2"] = float(width2)
return c


taper_sc = partial(taper, cross_section="xs_so", length=10.0, width1=0.5, width2=None)
Expand All @@ -292,11 +182,6 @@ def taper_strip_to_ridge(
width2: float = 0.5,
w_slab1: float = 0.2,
w_slab2: float = 10.45,
layer_wg: LayerSpec = "WG",
layer_slab: LayerSpec = LAYER.SLAB,
cross_section: CrossSectionSpec = "strip",
use_slab_port: bool = False,
**kwargs,
) -> Component:
r"""Linear taper from strip to rib.
Expand Down Expand Up @@ -324,40 +209,18 @@ def taper_strip_to_ridge(
\__________________________
"""
xs = gf.get_cross_section(cross_section, **kwargs)

taper_wg = taper(
return gf.c.taper_strip_to_ridge(
length=length,
width1=width1,
width2=width2,
cross_section=cross_section,
layer=layer_wg,
)
taper_slab = taper(
length=length,
width1=w_slab1,
width2=w_slab2,
cross_section=cross_section,
with_bbox=False,
layer=layer_slab,
w_slab1=w_slab1,
w_slab2=w_slab2,
layer_wg="WG",
layer_slab=LAYER.SLAB,
cross_section="strip",
use_slab_port=False,
)

c = gf.Component()
taper_ref_wg = c << taper_wg
taper_ref_slab = c << taper_slab

c.info["length"] = length
c.add_port(name="o1", port=taper_ref_wg.ports["o1"])
if use_slab_port:
c.add_port(name="o2", port=taper_ref_slab.ports["o2"])
else:
c.add_port(name="o2", port=taper_ref_wg.ports["o2"])

if length:
xs.add_bbox(c)
c.flatten()
return c


trans_sc_rc10 = partial(taper_strip_to_ridge, length=10)
trans_sc_rc20 = partial(taper_strip_to_ridge, length=20)
Expand Down Expand Up @@ -1005,7 +868,7 @@ def crossing_sc() -> gf.Component:


if __name__ == "__main__":
c = mmi1x2_sc()
c = taper_strip_to_ridge()
print(c.function_name)
# c.get_netlist()
c.show()
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