"""Route for electrical based on phidl.routing.route_quad."""
from __future__ import annotations
import numpy as np
import numpy.typing as npt
import gdsfactory as gf
from gdsfactory.typings import Port
def _get_rotated_basis(
theta: float,
) -> tuple[npt.NDArray[np.float64], npt.NDArray[np.float64]]:
"""Returns basis vectors rotated CCW by theta (in degrees)."""
theta = np.radians(theta)
e1 = np.array([np.cos(theta), np.sin(theta)])
e2 = np.array([-1 * np.sin(theta), np.cos(theta)])
return e1, e2
[docs]
def route_quad(
component: gf.Component,
port1: Port,
port2: Port,
width1: float | None = None,
width2: float | None = None,
layer: gf.typings.LayerSpec = "M1",
manhattan_target_step: float | None = None,
) -> None:
"""Routes a basic quadrilateral polygon directly between two ports.
Args:
component: Component to add the route to.
port1: Port to start route.
port2 : Port objects to end route.
width1: Width of quadrilateral at ports. If None, uses port widths.
width2: Width of quadrilateral at ports. If None, uses port widths.
layer: Layer to put the route on.
manhattan_target_step: if not none, min step to manhattanize the polygon
.. plot::
:include-source:
import gdsfactory as gf
c = gf.Component()
pad1 = c << gf.components.pad(size=(50, 50))
pad2 = c << gf.components.pad(size=(10, 10))
pad2.dmovex(100)
pad2.dmovey(50)
gf.routing.route_quad(
c,
pad1.ports["e2"],
pad2.ports["e4"],
width1=None,
width2=None,
)
c.plot()
"""
def get_port_edges(
port: Port, width: float
) -> tuple[npt.NDArray[np.float64], npt.NDArray[np.float64]]:
_, e1 = _get_rotated_basis(port.orientation)
pt1 = port.dcenter + e1 * width / 2
pt2 = port.dcenter - e1 * width / 2
return pt1, pt2
if width1 is None:
width1 = port1.dwidth
if width2 is None:
width2 = port2.dwidth
vertices = np.array(get_port_edges(port1, width1) + get_port_edges(port2, width2))
center = np.mean(vertices, axis=0)
displacements = vertices - center
# sort vertices by angle from center of quadrilateral to make convex polygon
angles = np.array([np.arctan2(disp[0], disp[1]) for disp in displacements])
sorted_vertices = [
vert for _, vert in sorted(zip(angles, vertices), key=lambda x: x[0])
]
if manhattan_target_step:
component.add_polygon(
sorted_vertices,
layer=layer,
)
else:
component.add_polygon(points=sorted_vertices, layer=layer)
if __name__ == "__main__":
from gdsfactory.components import pad
c = gf.Component()
pad1 = c << pad(size=(50, 50))
pad2 = c << pad(size=(10, 10))
pad2.movex(100)
pad2.movey(50)
route_quad(
c,
pad1.ports["e2"],
pad2.ports["e4"],
width1=None,
width2=None,
manhattan_target_step=0.1,
)
# c = gf.Component("route")
# pad1 = c << gf.components.pad(size=(50, 50))
# pad2 = c << gf.components.pad(size=(10, 10))
# pad2.dmovex(100)
# pad2.dmovey(50)
# route_gnd = c << route_quad(
# pad1.ports["e2"],
# pad2.ports["e4"],
# width1=None,
# width2=None,
# manhattan_min_step=0.1,
# )
c.show()
# test_manhattan_route_quad()
