Updates to gdsMill/tech layers

Create active and poly contact types. Define standard cell boundary option. DataType and PurposeLayer are the same. Text must have type 0. Remove vector from vlsiLayout. More debug in reader.
2026-08-29 01:24:39 +02:00 · 2019-12-04 16:12:53 -08:00
parent 0d35941241
commit 69bb245f28
13 changed files with 148 additions and 82 deletions
@@ -175,6 +175,8 @@ class Gds2reader:
    
    def readBoundary(self):
        ##reads in a boundary type structure = a filled polygon
+        if(self.debugToTerminal==1):
+            print("\t\t\tBeginBoundary")        
        thisBoundary=GdsBoundary()
        while 1:
            record = self.readNextRecord()
@@ -201,11 +203,6 @@ class Gds2reader:
                thisBoundary.purposeLayer=purposeLayer                
                if(self.debugToTerminal==1):
                    print("\t\tPurpose Layer: "+str(purposeLayer))
-            elif(idBits==b'\x0E\x02'):  #DataType
-                dataType = struct.unpack(">h",record[2:4])[0]
-                thisBoundary.dataType=dataType
-                if(self.debugToTerminal==1):
-                    print("\t\t\tData Type: "+str(dataType))
            elif(idBits==b'\x10\x03'):  #XY Data Points
                numDataPoints = len(record)-2  #packed as XY coordinates 4 bytes each
                thisBoundary.coordinates=[]
@@ -216,10 +213,15 @@ class Gds2reader:
                    if(self.debugToTerminal==1):
                        print("\t\t\tXY Point: "+str(x)+","+str(y))
            elif(idBits==b'\x11\x00'):  #End Of Element
+                if(self.debugToTerminal==1):
+                    print("\t\t\tEndBoundary")
                break;
        return thisBoundary
    
    def readPath(self):  #reads in a path structure
+        if(self.debugToTerminal==1):
+            print("\t\t\tBeginPath")
+        
        thisPath=GdsPath()
        while 1:
            record = self.readNextRecord()
@@ -266,10 +268,15 @@ class Gds2reader:
                    if(self.debugToTerminal==1):
                        print("\t\t\tXY Point: "+str(x)+","+str(y))
            elif(idBits==b'\x11\x00'):  #End Of Element
+                if(self.debugToTerminal==1):
+                    print("\t\t\tEndPath")
                break;
        return thisPath
    
    def readSref(self):  #reads in a reference to another structure
+        if(self.debugToTerminal==1):
+            print("\t\t\tBeginSref")
+
        thisSref=GdsSref()
        while 1:
            record = self.readNextRecord()
@@ -317,10 +324,15 @@ class Gds2reader:
                if(self.debugToTerminal==1):
                    print("\t\t\tXY Point: "+str(x)+","+str(y))
            elif(idBits==b'\x11\x00'):  #End Of Element
+                if(self.debugToTerminal==1):
+                    print("\t\t\tEndSref")
                break;
        return thisSref
    
    def readAref(self):  #an array of references
+        if(self.debugToTerminal==1):
+            print("\t\t\tBeginAref")
+        
        thisAref = GdsAref()
        while 1:
            record = self.readNextRecord()
@@ -372,11 +384,15 @@ class Gds2reader:
                    print("\t\t\t\tArray Width: "+str(rightMostX-topLeftX))
                    print("\t\t\t\tArray Height: "+str(topLeftY-bottomMostY))
            elif(idBits==b'\x11\x00'):  #End Of Element
+                if(self.debugToTerminal==1):
+                    print("\t\t\tEndAref")
                break;
        return thisAref
    
    def readText(self):
-        ##reads in a text structure
+        if(self.debugToTerminal==1):
+            print("\t\t\tBeginText")
+        
        thisText=GdsText()
        while 1:
            record = self.readNextRecord()
@@ -472,10 +488,15 @@ class Gds2reader:
                if(self.debugToTerminal==1):
                    print("\t\t\tText String: "+textString)
            elif(idBits==b'\x11\x00'):  #End Of Element
+                if(self.debugToTerminal==1):
+                    print("\t\t\tEndText")
                break;
        return thisText
    
    def readNode(self):
+        if(self.debugToTerminal==1):
+            print("\t\t\tBeginNode")
+        
        ##reads in a node type structure = an electrical net
        thisNode = GdsNode()
        while 1:
@@ -513,10 +534,15 @@ class Gds2reader:
                    if(self.debugToTerminal==1):
                        print("\t\t\tXY Point: "+str(x)+","+str(y))
            elif(idBits==b'\x11\x00'):  #End Of Element
+                if(self.debugToTerminal==1):
+                    print("\t\t\tEndNode")
                break;
        return thisNode
    
    def readBox(self):
+        if(self.debugToTerminal==1):
+            print("\t\t\tBeginBox")
+        
        ##reads in a gds BOX structure
        thisBox = GdsBox()
        while 1:
@@ -559,6 +585,8 @@ class Gds2reader:
                    if(self.debugToTerminal==1):
                        print("\t\t\tXY Point: "+str(x)+","+str(y))
            elif(idBits==b'\x11\x00'):  #End Of Element
+                if(self.debugToTerminal==1):
+                    print("\t\t\tEndBox")
                break;
        return thisBox
    
@@ -566,6 +594,7 @@ class Gds2reader:
        thisStructure = GdsStructure()        
        record = self.readNextRecord()
        idBits = record[0:2]
+        # Begin structure
        if(idBits==b'\x05\x02' and len(record)==26):
            createYear = struct.unpack(">h",record[2:4])[0]            
            createMonth = struct.unpack(">h",record[4:6])[0]
@@ -581,6 +610,10 @@ class Gds2reader:
            modSecond = struct.unpack(">h",record[24:26])[0]
            thisStructure.createDate=(createYear,createMonth,createDay,createHour,createMinute,createSecond)
            thisStructure.modDate=(modYear,modMonth,modDay,modHour,modMinute,modSecond)
+            if(self.debugToTerminal==1):
+                print("Date Created:"+str(createYear)+","+str(createMonth)+","+str(createDay)+\
+                      ","+str(createHour)+","+str(createMinute)+","+str(createSecond))
+                print("Date Modified:"+str(modYear)+","+str(modMonth)+","+str(modDay)+","+str(modHour)+","+str(modMinute)+","+str(modSecond))
        else:
            #means we have hit the last structure, so return the record
            #to whoever called us to do something with it
@@ -187,27 +187,25 @@ class Gds2writer:
        idBits=b'\x08\x00'  #record Type
        self.writeRecord(idBits)
        if(thisBoundary.elementFlags!=""):
-            idBits=b'\x26\x01' #ELFLAGS
+            idBits=b'\x26\x01' # ELFLAGS
            elementFlags = struct.pack(">h",thisBoundary.elementFlags)
            self.writeRecord(idBits+elementFlags)
        if(thisBoundary.plex!=""):
-            idBits=b'\x2F\x03'  #PLEX
+            idBits=b'\x2F\x03'  # PLEX
            plex = struct.pack(">i",thisBoundary.plex)
            self.writeRecord(idBits+plex)
        if(thisBoundary.drawingLayer!=""):
-            idBits=b'\x0D\x02' #drawig layer
+            idBits=b'\x0D\x02' # drawing layer
            drawingLayer = struct.pack(">h",thisBoundary.drawingLayer)
            self.writeRecord(idBits+drawingLayer)
-        if(thisBoundary.purposeLayer):
-            idBits=b'\x16\x02' #purpose layer
-            purposeLayer = struct.pack(">h",thisBoundary.purposeLayer)
-            self.writeRecord(idBits+purposeLayer)
-        if(thisBoundary.dataType!=""):
-            idBits=b'\x0E\x02'#DataType
-            dataType = struct.pack(">h",thisBoundary.dataType)
+        if(thisBoundary.purposeLayer!=""):
+            idBits=b'\x0E\x02' # DataType
+            if type(thisBoundary.purposeLayer)!=int:
+                import pdb; pdb.set_trace()
+            dataType = struct.pack(">h",thisBoundary.purposeLayer)
            self.writeRecord(idBits+dataType)
        if(thisBoundary.coordinates!=""):
-            idBits=b'\x10\x03' #XY Data Points
+            idBits=b'\x10\x03' # XY Data Points
            coordinateRecord = idBits
            for coordinate in thisBoundary.coordinates:
                x=struct.pack(">i",int(coordinate[0]))
@@ -377,9 +375,9 @@ class Gds2writer:
            idBits=b'\x0D\x02' #drawing layer
            drawingLayer = struct.pack(">h",thisText.drawingLayer)
            self.writeRecord(idBits+drawingLayer)
-        #if(thisText.purposeLayer):
+            # TextType is always a 0 per GDS specification
            idBits=b'\x16\x02' #purpose layer
-            purposeLayer = struct.pack(">h",thisText.purposeLayer)
+            purposeLayer = struct.pack(">h",0)
            self.writeRecord(idBits+purposeLayer)
        if(thisText.transFlags != ""):
            idBits=b'\x1A\x01'
@@ -21,8 +21,7 @@ class GdsBoundary:
        self.elementFlags=""
        self.plex=""
        self.drawingLayer=""
-        self.purposeLayer = None
-        self.dataType=""
+        self.purposeLayer=0
        self.coordinates=""
    
 class GdsPath:
@@ -31,7 +30,7 @@ class GdsPath:
        self.elementFlags=""
        self.plex=""
        self.drawingLayer=""
-        self.purposeLayer = None
+        self.purposeLayer=0
        self.pathType=""
        self.pathWidth=""
        self.coordinates=""
@@ -140,7 +139,7 @@ class GdsText:
        self.elementFlags=""
        self.plex=""
        self.drawingLayer=""
-        self.purposeLayer = None
+        self.purposeLayer=0
        self.transFlags=[0,0,0]
        self.magFactor=""
        self.rotateAngle=""
@@ -165,6 +164,6 @@ class GdsBox:
        self.elementFlags=""
        self.plex=""
        self.drawingLayer=""
-        self.purposeLayer = None
+        self.purposeLayer=0
        self.boxValue=""
        self.coordinates=""
@@ -2,7 +2,6 @@ from .gdsPrimitives import *
 from datetime import *
 #from mpmath import matrix
 #from numpy import matrix
-from vector import vector
 import numpy as np
 #import gdsPrimitives
 import debug
@@ -358,7 +357,7 @@ class VlsiLayout:
        #add the sref to the root structure
        self.structures[self.rootStructureName].srefs.append(layoutToAddSref)
        
-    def addBox(self,layerNumber=0, purposeNumber=None, offsetInMicrons=(0,0), width=1.0, height=1.0,center=False):
+    def addBox(self,layerNumber=0, purposeNumber=0, offsetInMicrons=(0,0), width=1.0, height=1.0,center=False):
        """
        Method to add a box to a layout
        """
@@ -383,13 +382,12 @@ class VlsiLayout:

        boundaryToAdd = GdsBoundary()
        boundaryToAdd.drawingLayer = layerNumber
-        boundaryToAdd.dataType = 0
        boundaryToAdd.coordinates = coordinates
        boundaryToAdd.purposeLayer = purposeNumber
        #add the sref to the root structure
        self.structures[self.rootStructureName].boundaries.append(boundaryToAdd)
    
-    def addPath(self, layerNumber=0, purposeNumber=None, coordinates=[(0,0)], width=1.0):
+    def addPath(self, layerNumber=0, purposeNumber=0, coordinates=[(0,0)], width=1.0):
        """
        Method to add a path to a layout
        """
@@ -408,12 +406,10 @@ class VlsiLayout:
        #add the sref to the root structure
        self.structures[self.rootStructureName].paths.append(pathToAdd)
        
-    def addText(self, text, layerNumber=0, purposeNumber=None, offsetInMicrons=(0,0), magnification=0.1, rotate = None):
+    def addText(self, text, layerNumber=0, offsetInMicrons=(0,0), magnification=0.1, rotate = None):
        offsetInLayoutUnits = (self.userUnits(offsetInMicrons[0]),self.userUnits(offsetInMicrons[1]))
        textToAdd = GdsText()
        textToAdd.drawingLayer = layerNumber
-        textToAdd.purposeLayer = purposeNumber
-        textToAdd.dataType = 0
        textToAdd.coordinates = [offsetInLayoutUnits]
        textToAdd.transFlags = [0,0,0]
        textToAdd.textString = self.padText(text)
@@ -757,7 +753,7 @@ class VlsiLayout:
        for boundary in shapes:
            vectors = []
            for i in range(0, len(boundary), 2):
-                vectors.append(vector(boundary[i], boundary[i+1]))
+                vectors.append((boundary[i], boundary[i+1]))
            blockages.append(vectors)
            
        return blockages