def port_to_pin_helper(ports_list, cell, layerPinRec):
""" Draws port shapes for visual help in KLayout. """
# Create the pins, as short paths:
# from siepic_tools.config import PIN_LENGTH
PIN_LENGTH = 100
dbu = cell.layout().dbu
for port in ports_list:
if port.name.startswith("el"):
pin_length = port.width
else:
pin_length = PIN_LENGTH * dbu
port_position_i = port.position.to_itype(dbu)
cell.shapes(layerPinRec).insert(
kdb.DPath(
[
port.position - 0.5 * pin_length * port.direction,
port.position + 0.5 * pin_length * port.direction,
],
port.width,
).to_itype(dbu))
cell.shapes(layerPinRec).insert(
kdb.Text(
port.name,
kdb.Trans(kdb.Trans.R0, port_position_i.x,
port_position_i.y))).text_size = (2 / dbu)
def place_from_yaml(
filepath_yaml: Path,
root_does: Path = CONFIG["cache_doe_directory"],
precision: float = 1e-9,
fontpath: Path = text.FONT_PATH,
default_align_x: NSEW = "W",
default_align_y: NSEW = "S",
default_margin: int = 10,
default_x0: NSEW = "E",
default_y0: NSEW = "S",
) -> Cell:
"""Returns a gds cell composed of DOEs/components given in a yaml file
allows for each DOE to have its own x and y spacing (more flexible than method1)
Args:
filepath_yaml:
root_does: used for cache, requires content.txt
"""
transform_identity = pya.Trans(0, 0)
dicts, mask_settings = load_yaml(filepath_yaml)
does, templates = separate_does_from_templates(dicts)
placed_doe = None
placed_does = {}
top_level_name = mask_settings.get("name", "TOP_LEVEL")
layer_doe_label = mask_settings["layer_doe_label"]
top_level_layout = pya.Layout()
# Set database units according to precision
top_level_layout.dbu = precision / 1e-6
dbu = top_level_layout.dbu
um_to_grid = int(1 / dbu)
top_level = top_level_layout.create_cell(top_level_name)
global CELLS
CELLS[top_level_name] = top_level_layout
default_doe_settings = {
"add_doe_label": False,
"add_doe_visual_label": False,
"dx_visual_label": 0,
"dy_visual_label": 0,
}
for doe_name, doe in does.items():
# If a template is specified, apply it
if "template" in doe:
doe_templates = doe["template"]
if type(doe_templates) != list:
doe_templates = [doe_templates]
for doe_template in doe_templates:
try:
doe = update_dicts_recurse(doe, templates[doe_template])
except BaseException:
print(doe_template, "does not exist")
raise
doe = update_dicts_recurse(doe, default_doe_settings)
# Get all the components
components = load_doe(doe_name, root_does)
# Check that the high level components are all unique
# For now this is mostly to circumvent a bug
# But the design manual also specifies that DOE components should have
# unique names. So one instance per cell
if components:
if len(components) != len(
set([_c.top_cell().name for _c in components])):
__dict_component_debug = {}
for _c in components:
_name = _c.top_cell().name
if _name not in __dict_component_debug:
__dict_component_debug[_name] = 0
__dict_component_debug[_name] += 1
duplicates_components = [
_name for _name, _count in __dict_component_debug.items()
if _count > 1
]
print(
"Please remove duplicate components at DOE entry level: ")
print(duplicates_components)
components = [
import_cell(top_level_layout, _c.top_cell())
for _c in components
]
default_placer_settings = {
"align_x": default_align_x,
"align_y": default_align_y,
"margin": default_margin,
"x0": default_x0,
"y0": default_y0,
}
settings = default_placer_settings.copy()
placer = doe.get("placer")
if placer:
placer_type = placer.pop("type", "pack_col")
settings.update(doe["placer"])
else:
placer_type = "pack_col"
if placer_type not in PLACER_NAME2FUNC:
raise ValueError(
f"{placer_type} is not an available placer, Choose:"
f" {list(PLACER_NAME2FUNC.keys())}")
_placer = PLACER_NAME2FUNC[placer_type]
# All other attributes are assumed to be settings for the placer
# Check if the cell should be attached to a specific parent cell
if "parent" in settings:
parent_name = settings.pop("parent")
if parent_name not in CELLS:
# Create parent cell in layout and insert it under top level
parent_cell = top_level_layout.create_cell(parent_name)
CELLS[parent_name] = parent_cell
parent_cell_instance = pya.CellInstArray(
parent_cell.cell_index(), transform_identity)
top_level.insert(parent_cell_instance)
doe_parent_cell = CELLS[parent_name]
else:
# If no parent specified, insert the DOE at top level
doe_parent_cell = top_level
# Check if we should create a DOE cell which regroups the DOEs
if "with_doe_cell" in settings:
with_doe_cell = settings.pop("with_doe_cell")
else:
with_doe_cell = True
# x0, y0 can either be float or string
x0 = settings.pop("x0")
y0 = settings.pop("y0")
# Check whether we are doing relative or absolute placement
# if (x0 in ["E", "W"] or y0 in ["N", "S"]) and not placed_doe:
# raise ValueError(
# "At least one DOE must be placed to use relative placement"
# )
# For relative placement (to previous DOE)
if "margin_x" not in settings:
settings["margin_x"] = settings["margin"]
if "margin_y" not in settings:
settings["margin_y"] = settings["margin"]
if "inter_margin_x" not in settings:
inter_margin_x = settings["margin_x"]
else:
inter_margin_x = settings.pop("inter_margin_x")
if "inter_margin_y" not in settings:
inter_margin_y = settings["margin_y"]
else:
inter_margin_y = settings.pop("inter_margin_y")
align_x = settings["align_x"]
align_y = settings["align_y"]
# Make sure that the alignment is sensible depending on how we stack
# If we specify a DOE to place next to, use it
if "next_to" in settings:
placed_doe = placed_does[settings.pop("next_to")]
# print(placed_doe)
# print(placed_does)
# Otherwise, use previously placed DOE as starting point
doe_si = (SizeInfo(placed_doe, top_level_layout, um_to_grid=um_to_grid)
if placed_doe is not None else None)
if x0 == "E":
x0 = doe_si.east
if align_x == "W":
x0 += inter_margin_x
if x0 == "W":
x0 = doe_si.west
if align_x == "E":
x0 -= inter_margin_x
if y0 == "N":
y0 = doe_si.north
if align_y == "S":
y0 += inter_margin_y
if y0 == "S":
y0 = doe_si.south
if align_y == "N":
y0 -= inter_margin_y
# Add x0, y0 in settings as float
settings["x0"] = x0
settings["y0"] = y0
settings["um_to_grid"] = um_to_grid
placed_components = _placer(components, **settings)
# Place components within a cell having the DOE name
if with_doe_cell or len(placed_components) > 1:
doe_cell = top_level_layout.create_cell(doe_name)
CELLS[doe_name] = doe_cell
for instance in placed_components:
doe_cell.insert(instance)
placed_does[doe_name] = doe_cell
placed_doe = doe_cell
doe_instance = pya.CellInstArray(doe_cell.cell_index(),
transform_identity)
else:
# If only single cell and we want to skip the sweep cell
doe_instance = placed_components[0]
placed_does[doe_name] = doe_instance
placed_doe = doe_instance
add_doe_label = doe["add_doe_label"]
add_doe_visual_label = doe["add_doe_visual_label"]
if add_doe_label:
layer_label_index, layer_label_datatype = layer_doe_label
layer_index = top_level.layout().insert_layer(
pya.LayerInfo(layer_label_index, layer_label_datatype))
# Add the name of the DOE at the center of the cell
_p = doe_instance.bbox(top_level_layout).center()
_text = pya.Text(doe_name, _p.x, _p.y)
top_level.shapes(layer_index).insert(_text)
if add_doe_visual_label:
_bbox = doe_instance.bbox(top_level_layout)
idbu = 1 / top_level.layout().dbu
x_text = _bbox.center().x + doe["dx_visual_label"] * idbu
y_text = _bbox.bottom + (15.0 + doe["dy_visual_label"]) * idbu
_text = text.add_text(top_level,
doe_name,
position=(x_text, y_text),
fontpath=fontpath)
# _transform = pya.DTrans(x_text, y_text)
# top_level.insert(pya.CellInstArray(_text.cell_index(), _transform))
doe_parent_cell.insert(doe_instance)
return top_level