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Add separate layer and purpose pairs to tech layers.

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This commit is contained in:
Matt Guthaus
2019-10-25 10:03:25 -07:00
parent 31825d9d77
commit 38213d998f
10 changed files with 160 additions and 155 deletions
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compiler/gdsMill/gdsMill/gds2reader.py
-8
View File
@@ -686,10 +686,6 @@ class Gds2reader:
if idBits==('\x07','\x00'): break; #we've reached the end of the structure
elif(idBits==('\x06','\x06')):
structName = self.stripNonASCII(record[2::]) #(record[2:1] + record[1::]).rstrip()
# print(''.[x for x in structName if ord(x) < 128])
# stripped = (c for c in structName if 0 < ord(c) < 127)
# structName = "".join(stripped)
# print(self.stripNonASCII(structName)) ##FIXME: trimming by Tom g. ##could be an issue here with string trimming!
thisStructure.name = structName
if(findStructName==thisStructure.name):
wantedStruct=1
@@ -767,10 +763,6 @@ class Gds2reader:
if idBits==('\x07','\x00'): break; #we've reached the end of the structure
elif(idBits==('\x06','\x06')):
structName = self.stripNonASCII(record[2::]) #(record[2:1] + record[1::]).rstrip()
# print(''.[x for x in structName if ord(x) < 128])
# stripped = (c for c in structName if 0 < ord(c) < 127)
# structName = "".join(stripped)
# print(self.stripNonASCIIx(structName)) ##FIXME: trimming by Tom g. ##could be an issue here with string trimming!
thisStructure.name = structName
if(self.debugToTerminal==1):
print("\tStructure Name: "+structName)
compiler/gdsMill/gdsMill/vlsiLayout.py
+37 -34
View File
@@ -19,7 +19,8 @@ class VlsiLayout:
self.layerNumbersInUse = []
self.debug = False
if name:
self.rootStructureName=name
#take the root structure and copy it to a new structure with the new name
self.rootStructureName=self.padText(name)
#create the ROOT structure
self.structures[self.rootStructureName] = GdsStructure()
self.structures[self.rootStructureName].name = name
@@ -82,13 +83,9 @@ class VlsiLayout:
return coordinatesRotate
def rename(self,newName):
#make sure the newName is a multiple of 2 characters
if(len(newName)%2 == 1):
#pad with a zero
newName = newName + '\x00'
#take the root structure and copy it to a new structure with the new name
self.structures[newName] = self.structures[self.rootStructureName]
self.structures[newName].name = newName
self.structures[newName].name = self.padText(newName)
#and delete the old root
del self.structures[self.rootStructureName]
self.rootStructureName = newName
@@ -159,13 +156,14 @@ class VlsiLayout:
debug.check(len(structureNames)==1,"Multiple possible root structures in the layout: {}".format(str(structureNames)))
self.rootStructureName = structureNames[0]
def traverseTheHierarchy(self, startingStructureName=None, delegateFunction = None,
transformPath = [], rotateAngle = 0, transFlags = [0,0,0], coordinates = (0,0)):
#since this is a recursive function, must deal with the default
#parameters explicitly
if startingStructureName == None:
startingStructureName = self.rootStructureName
#set up the rotation matrix
if(rotateAngle == None or rotateAngle == ""):
angle = 0
@@ -219,7 +217,7 @@ class VlsiLayout:
self.populateCoordinateMap()
for layerNumber in self.layerNumbersInUse:
self.processLabelPins(layerNumber)
self.processLabelPins((layerNumber,None))
def populateCoordinateMap(self):
@@ -400,10 +398,10 @@ class VlsiLayout:
cY = self.userUnits(coordinate[1])
layoutUnitCoordinates.append((cX,cY))
pathToAdd = GdsPath()
pathToAdd.drawingLayer=layerNumber
pathToAdd.drawingLayer = layerNumber
pathToAdd.purposeLayer = purposeNumber
pathToAdd.pathWidth=widthInLayoutUnits
pathToAdd.coordinates=layoutUnitCoordinates
pathToAdd.pathWidth = widthInLayoutUnits
pathToAdd.coordinates = layoutUnitCoordinates
#add the sref to the root structure
self.structures[self.rootStructureName].paths.append(pathToAdd)
@@ -414,10 +412,8 @@ class VlsiLayout:
textToAdd.purposeLayer = purposeNumber
textToAdd.dataType = 0
textToAdd.coordinates = [offsetInLayoutUnits]
textToAdd.transFlags = [0,0,0]
if(len(text)%2 == 1):
text = text + '\x00'
textToAdd.textString = text
textToAdd.transFlags = [0,0,0]
textToAdd.textString = self.padText(text)
#textToAdd.transFlags[1] = 1
textToAdd.magFactor = magnification
if rotate:
@@ -425,7 +421,13 @@ class VlsiLayout:
textToAdd.rotateAngle = rotate
#add the sref to the root structure
self.structures[self.rootStructureName].texts.append(textToAdd)
def padText(self, text):
if(len(text)%2 == 1):
return text + '\x00'
else:
return text
def isBounded(self,testPoint,startPoint,endPoint):
#these arguments are touples of (x,y) coordinates
if testPoint == None:
@@ -591,22 +593,23 @@ class VlsiLayout:
passFailIndex += 1
print("Done\n\n")
def getLayoutBorder(self,borderlayer):
def getLayoutBorder(self,lpp):
cellSizeMicron=None
for boundary in self.structures[self.rootStructureName].boundaries:
if boundary.drawingLayer==borderlayer:
if boundary.drawingLayer==lpp[0] and \
(lpp[1]==None or boundary.purposeLayer==None or boundary.purposeLayer==lpp[1]):
if self.debug:
debug.info(1,"Find border "+str(boundary.coordinates))
left_bottom=boundary.coordinates[0]
right_top=boundary.coordinates[2]
cellSize=[right_top[0]-left_bottom[0],right_top[1]-left_bottom[1]]
cellSizeMicron=[cellSize[0]*self.units[0],cellSize[1]*self.units[0]]
if not(cellSizeMicron):
print("Error: "+str(self.rootStructureName)+".cell_size information not found yet")
debug.check(cellSizeMicron,
"Error: "+str(self.rootStructureName)+".cell_size information not found yet")
return cellSizeMicron
def measureSize(self,startStructure):
self.rootStructureName=startStructure
self.rootStructureName=self.padText(startStructure)
self.populateCoordinateMap()
cellBoundary = [None, None, None, None]
for TreeUnit in self.xyTree:
@@ -616,7 +619,7 @@ class VlsiLayout:
return cellSizeMicron
def measureBoundary(self,startStructure):
self.rootStructureName=startStructure
self.rootStructureName=self.padText(startStructure)
self.populateCoordinateMap()
cellBoundary = [None, None, None, None]
for TreeUnit in self.xyTree:
@@ -653,13 +656,13 @@ class VlsiLayout:
return cellBoundary
def getTexts(self, layer):
def getTexts(self, lpp):
"""
Get all of the labels on a given layer only at the root level.
"""
text_list = []
for Text in self.structures[self.rootStructureName].texts:
if Text.drawingLayer == layer:
if Text.drawingLayer==lpp[0] and (lpp[1]==None or Text.purposeLayer==lpp[1]):
text_list.append(Text)
return text_list
@@ -700,16 +703,16 @@ class VlsiLayout:
return shape_list
def processLabelPins(self, layer):
def processLabelPins(self, lpp):
"""
Find all text labels and create a map to a list of shapes that
they enclose on the given layer.
"""
# Get the labels on a layer in the root level
labels = self.getTexts(layer)
labels = self.getTexts(lpp)
# Get all of the shapes on the layer at all levels
# and transform them to the current level
shapes = self.getAllShapes(layer)
shapes = self.getAllShapes(lpp)
for label in labels:
label_coordinate = label.coordinates[0]
@@ -717,7 +720,7 @@ class VlsiLayout:
pin_shapes = []
for boundary in shapes:
if self.labelInRectangle(user_coordinate,boundary):
pin_shapes.append((layer, boundary))
pin_shapes.append((lpp, boundary))
label_text = label.textString
# Remove the padding if it exists
@@ -731,14 +734,14 @@ class VlsiLayout:
self.pins[label_text].append(pin_shapes)
def getBlockages(self,layer):
def getBlockages(self, lpp):
"""
Return all blockages on a given layer in [coordinate 1, coordinate 2,...] format and
user units.
"""
blockages = []
shapes = self.getAllShapes(layer)
shapes = self.getAllShapes(lpp)
for boundary in shapes:
vectors = []
for i in range(0,len(boundary),2):
@@ -746,7 +749,7 @@ class VlsiLayout:
blockages.append(vectors)
return blockages
def getAllShapes(self,layer):
def getAllShapes(self, lpp):
"""
Return all shapes on a given layer in [llx, lly, urx, ury] format and user units for rectangles
and [coordinate 1, coordinate 2,...] format and user units for polygons.
@@ -754,7 +757,7 @@ class VlsiLayout:
boundaries = set()
for TreeUnit in self.xyTree:
#print(TreeUnit[0])
boundaries.update(self.getShapesInStructure(layer,TreeUnit))
boundaries.update(self.getShapesInStructure(lpp,TreeUnit))
# Convert to user units
user_boundaries = []
@@ -766,7 +769,7 @@ class VlsiLayout:
return user_boundaries
def getShapesInStructure(self,layer,structure):
def getShapesInStructure(self, lpp, structure):
"""
Go through all the shapes in a structure and return the list of shapes in
the form [llx, lly, urx, ury] for rectangles and [coordinate 1, coordinate 2,...] for polygons.
@@ -775,7 +778,7 @@ class VlsiLayout:
#print(structureName,"u",structureuVector.transpose(),"v",structurevVector.transpose(),"o",structureOrigin.transpose())
boundaries = []
for boundary in self.structures[str(structureName)].boundaries:
if layer==boundary.drawingLayer:
if boundary.drawingLayer==lpp[0] and (lpp[1]==None or boundary.purposeLayer==lpp[1]):
if len(boundary.coordinates)!=5:
# if shape is a polygon (used in DFF)
boundaryPolygon = []