def makeResonator(radius = 10, width = 0.5, space = 1.0):
#------------------------
# Make a ring resonator
# radius: of the ring
# width: of the ring and the line
# space: space between the edge of the ring and the line
#------------------------
C= Device("Resonator")
R = pg.ring(radius = radius, width = width)
C.add_ref(R)
L1 = makeLine(radius+space,-radius,width,2*radius)
C.add_ref(L1)
L2 = makeLine(-radius-space-width,-radius,width,2*radius)
C.add_ref(L2)
return C
D = pg.ellipse(radii = (10,5), angle_resolution = 2.5, layer = 0)
create_image(D, 'ellipse')
# example-circle
import phidl.geometry as pg
from phidl import quickplot as qp
D = pg.circle(radius = 10, angle_resolution = 2.5, layer = 0)
qp(D) # quickplot the geometry
create_image(D, 'circle')
# example-ring
import phidl.geometry as pg
from phidl import quickplot as qp
D = pg.ring(radius = 5, width = 0.5, angle_resolution = 2.5, layer = 0)
qp(D) # quickplot the geometry
create_image(D, 'ring')
# example-arc
import phidl.geometry as pg
from phidl import quickplot as qp
D = pg.arc(radius = 2.0, width = 0.5, theta = 45, start_angle = 0,
angle_resolution = 2.5, layer = 0)
qp(D) # quickplot the geometry
create_image(D, 'arc')
# example-straight
import phidl.geometry as pg
from phidl import quickplot as qp
def test_ring():
D = pg.ring(radius=10, width=0.5, angle_resolution=2.5, layer=0)
h = D.hash_geometry(precision=1e-4)
assert (h == '66b57b1544c9c48d9babc107dc93e7b0bf378499')