def read_rawcells_example():
cell1 = gdstk.Cell("CELL_1")
cell1.add(gdstk.rectangle((0, 0), (2, 1)))
cell2 = gdstk.Cell("CELL_2")
cell2.add(gdstk.Reference(cell1, (-1, 0)))
library = gdstk.Library()
library.add(cell1, cell2)
library.write_gds("test.gds")
raw_cells = gdstk.read_rawcells("test.gds")
print(raw_cells.keys())
print(len(raw_cells["CELL_1"].dependencies(True)))
print(len(raw_cells["CELL_2"].dependencies(True)))
deps = raw_cells["CELL_2"].dependencies(True)
print(deps[0] is raw_cells["CELL_1"])
def read_rawcells_example():
cell1 = gdstk.Cell("CELL_1")
cell1.add(gdstk.rectangle((0, 0), (2, 1)))
cell2 = gdstk.Cell("CELL_2")
cell2.add(gdstk.Reference(cell1, (-1, 0)))
library = gdstk.Library()
library.add(cell1, cell2)
library.write_gds("test.gds")
raw_cells = gdstk.read_rawcells("test.gds")
assert tuple(sorted(raw_cells.keys())) == ("CELL_1", "CELL_2")
assert len(raw_cells["CELL_1"].dependencies(True)) == 0
assert len(raw_cells["CELL_2"].dependencies(True)) == 1
deps = raw_cells["CELL_2"].dependencies(True)
assert deps[0] is raw_cells["CELL_1"]
def test_replace(tree, tmpdir):
lib, c = tree
fname = str(tmpdir.join("tree.gds"))
lib.write_gds(fname)
rc = gdstk.read_rawcells(fname)
c3 = gdstk.Cell(c[3].name)
c2 = rc[c[2].name]
lib.replace(c2, c3)
assert c[2] not in lib.cells
assert c[3] not in lib.cells
assert c2 in lib.cells
assert c3 in lib.cells
assert c[0].references[1].cell is c3
assert c[1].references[0].cell is c2
assert c[1].references[1].cell is c2
assert c[1].references[2].cell is c3
assert c[4].references[0].cell is c3
def bench_gdstk():
d = gdstk.read_rawcells("tests/proof_lib.gds")
from tutorial_images import draw
import pathlib
import numpy
import gdstk
import pcell
if __name__ == "__main__":
path = pathlib.Path(__file__).parent.absolute()
# Check library units. In this case it is using the default units.
units = gdstk.gds_units(path / "photonics.gds")
print(f"Using unit = {units[0]}, precision = {units[1]}")
# Load the library as a dictionary of RawCell
pdk = gdstk.read_rawcells(path / "photonics.gds")
# Cell holding a single device (MZI)
dev_cell = gdstk.Cell("Device")
dev_cell.add(gdstk.Reference(pdk["MZI"], (-40, 0)))
# Create a grating coupler using the function imported from the
# pcell module (pcell.py) created earlier.
grating = pcell.grating(0.62, layer=2)
# Add 4 grating couplers to the device cell: one for each port.
dev_cell.add(
gdstk.Reference(grating, (-200, -150),
rotation=numpy.pi / 2,
columns=2,
spacing=(300, 0)),
gdstk.Reference(grating, (200, 150),