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updating to fix scale

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This commit is contained in:
Edward Arthur Bingham 2024-01-01 15:44:51 +00:00
parent ab78b6bf6f
commit 49daa2f891
1 changed files with 40 additions and 12 deletions
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44
rect2lef.py
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@ -123,6 +123,9 @@ def writeLayerMap(path, conf):
layers = zip(conf["gds"]["layers"], conf["gds"]["major"], conf["gds"]["minor"])
with open(path, "w") as fptr:
for layer in layers:
name = layer[0]
purpose = ""
if "." in name:
name, purpose = layer[0].rsplit(".", 1)
if "via" in name and purpose in ["drawing", "dg", "drw"]:
print(f"{name} VIA {layer[1]} {layer[2]}", file=fptr)
@ -152,31 +155,50 @@ def writeGDS(path, conf, cell):
numMetals = conf["general"]["metals"]
layers = {layer: (major, minor) for layer, major, minor in zip(conf["gds"]["layers"], conf["gds"]["major"], conf["gds"]["minor"])}
lib = gdstk.Library()
lib = gdstk.Library(unit=scale*1e-9, precision=scale*1e-9)
gdsCell = lib.new_cell(cell.name)
bndry = None
for layer, idx in layers.items():
if layer.startswith("prb"):
bndry = idx
break
if bndry:
gdsCell.add(gdstk.rectangle((cell.bbox[0]*scale, cell.bbox[1]*scale), (cell.bbox[2]*scale, cell.bbox[3]*scale), layer=bndry[0], datatype=bndry[1]))
name = layer
purpose = ""
if "." in name:
name, purpose = layer.rsplit(".", 1)
if (name == "text" and purpose in ["drawing", "dg", "drw"]) or name == "outline" or name == "areaid_sc":
gdsCell.add(gdstk.rectangle((cell.bbox[0], cell.bbox[1]), (cell.bbox[2], cell.bbox[3]), layer=idx[0], datatype=idx[1]))
for rect in cell.rects:
gds = queryGDS(conf, rect.layer)
labelWritten = False
for layerName, bloat in gds:
name = layerName
purpose = ""
if "." in name:
name, purpose = layerName.rsplit(".", 1)
if layerName in layers:
idx = layers[layerName]
gdsCell.add(gdstk.rectangle(((rect.bounds[0]-bloat)*scale, (rect.bounds[1]-bloat)*scale), ((rect.bounds[2]+bloat)*scale, (rect.bounds[3]+bloat)*scale), layer=idx[0], datatype=idx[1]))
gdsCell.add(gdstk.rectangle(((rect.bounds[0]-bloat), (rect.bounds[1]-bloat)), ((rect.bounds[2]+bloat), (rect.bounds[3]+bloat)), layer=idx[0], datatype=idx[1]))
if rect.label and rect.label != "#" and not labelWritten:
gdsCell.add(gdstk.Label(rect.label, ((rect.bounds[0] + rect.bounds[2])*scale/2, (rect.bounds[1] + rect.bounds[3])*scale/2), layer=idx[0], texttype=idx[1]))
gdsCell.add(gdstk.Label(rect.label, ((rect.bounds[0] + rect.bounds[2])/2, (rect.bounds[1] + rect.bounds[3])/2), layer=idx[0], texttype=idx[1]))
labelWritten = True
lib.write_gds(path)
def writeLEF(path, conf, cell):
# See https://github.com/KLayout/klayout/blob/766dd675c11d98b2461c448035197f6e934cb497/src/plugins/streamers/lefdef/db_plugin/dbLEFDEFImporter.cc#L1085
# Purpose Name = Placement Code
# LEFPIN = LEFPIN
# PIN = PIN
# LEFPINNAME = LEFLABEL
# PINNAME = LABEL
# FILL = FILL
# FILLOPC = FILLOPC
# LEFOBS = OBS
# SPNET = SPNET
# NET = NET
# VIA = VIA
# BLOCKAGE = BLK
# ALL = [LEFPIN, PIN, FILL, FILLOPC, OBS, SPNET, NET, VIA]
scale = conf["general"]["scale"]
numMetals = conf["general"]["metals"]
with open(path, "w") as fptr:
@ -226,6 +248,9 @@ def writeLEF(path, conf, cell):
print("\t\tPORT", file=fptr)
gds = queryGDS(conf, rect.layer)
for layer, bloat in gds:
name = layer
purpose = ""
if "." in name:
name, purpose = layer.rsplit(".", 1)
print(f"\t\t\tLAYER {name} ;", file=fptr)
print(f"\t\t\t\tRECT {(rect.bounds[0]-bloat)*scale} {(rect.bounds[1]-bloat)*scale} {(rect.bounds[2]+bloat)*scale} {(rect.bounds[3]+bloat)*scale} ;", file=fptr)
@ -237,6 +262,9 @@ def writeLEF(path, conf, cell):
#if not rect.isInput and not rect.isOutput:
gds = queryGDS(conf, rect.layer)
for layer, bloat in gds:
name = layer
purpose = ""
if "." in name:
name, purpose = layer.rsplit(".", 1)
print(f"\t\tLAYER {name} ;", file=fptr)
print(f"\t\t\tRECT {(rect.bounds[0]-bloat)*scale} {(rect.bounds[1]-bloat)*scale} {(rect.bounds[2]+bloat)*scale} {(rect.bounds[3]+bloat)*scale} ;", file=fptr)