def getAllBoxes(iterm):
inst = iterm.getInst()
px, py = inst.getOrigin()
orient = inst.getOrient()
transform = odb.dbTransform(orient, odb.Point(px, py))
mterm = iterm.getMTerm()
mpins = mterm.getMPins()
boxes = []
for i in range(len(mpins)):
mpin = mpins[i]
geometries = mpin.getGeometry()
for box in geometries:
# llx, lly = box.xMin(), box.yMin()
# urx, ury = box.xMax(), box.yMax()
ll = odb.Point(box.xMin(), box.yMin())
ur = odb.Point(box.xMax(), box.yMax())
transform.apply(ll)
transform.apply(ur)
layer = box.getTechLayer()
boxes.append((layer, ll, ur))
return boxes
def transformRect(rect, orient):
transform = odb.dbTransform(orient)
rect_ll = odb.Point(*rect.ll())
rect_ur = odb.Point(*rect.ur())
transform.apply(rect_ll)
transform.apply(rect_ur)
rect = odb.Rect(rect_ll, rect_ur)
return rect
def boxes2Rects(boxes, transform):
rects = []
for box in boxes:
ur = odb.Point(box.xMin(), box.yMin())
ll = odb.Point(box.xMax(), box.yMax())
transform.apply(ll)
transform.apply(ur)
pin_layer = box.getTechLayer()
rects.append({"layer": pin_layer, "rect": odb.Rect(ll, ur)})
return rects
def forward(point, orient, distance):
x, y = point.x(), point.y()
if orient == "R0":
point_forward = odb.Point(x, y - distance)
elif orient == "R90":
point_forward = odb.Point(x + distance, y)
elif orient == "R180":
point_forward = odb.Point(x, y + distance)
elif orient == "R270":
point_forward = odb.Point(x - distance, y)
else:
print("Unknown orientation")
sys.exit(1)
return point_forward
def getITermBoxes(iterm):
iterm_boxes = []
inst = iterm.getInst()
mterm = iterm.getMTerm()
master_ox, master_oy = inst.getMaster().getOrigin()
inst_ox, inst_oy = inst.getOrigin()
px, py = master_ox + inst_ox, master_oy + inst_oy
orient = inst.getOrient()
transform = odb.dbTransform(orient, odb.Point(px, py))
mpins = mterm.getMPins()
if len(mpins) > 1:
print("Warning:", len(mpins), "mpins for iterm", inst.getName(),
mterm.getName())
for i in range(len(mpins)):
mpin = mpins[i]
boxes = mpin.getGeometry()
iterm_boxes += boxes2Rects(boxes, transform)
# filter duplications
# TODO: OpenDB bug? duplicate mpins for some reason
iterm_boxes_set = set()
iterm_boxes_uniq = []
for box in iterm_boxes:
rect = box['rect']
llx, lly = rect.ll()
urx, ury = rect.ur()
set_item = (box['layer'].getName(), llx, lly, urx, ury)
if not set_item in iterm_boxes_set:
iterm_boxes_set.add(set_item)
iterm_boxes_uniq.append(box)
return iterm_boxes_uniq
def getInstObs(inst):
master = inst.getMaster()
master_ox, master_oy = master.getOrigin()
inst_ox, inst_oy = inst.getOrigin()
px, py = master_ox + inst_ox, master_oy + inst_oy
orient = inst.getOrient()
transform = odb.dbTransform(orient, odb.Point(px, py))
obstructions = master.getObstructions()
rects = boxes2Rects(obstructions, transform)
for rect in rects:
rect["type"] = "obstruction"
return rects
def getBiggestBox(iterm):
inst = iterm.getInst()
px, py = inst.getOrigin()
orient = inst.getOrient()
transform = odb.dbTransform(orient, odb.Point(px, py))
mterm = iterm.getMTerm()
mpins = mterm.getMPins()
# label biggest mpin
biggest_mpin = None
biggest_size = -1
for i in range(len(mpins)):
mpin = mpins[i]
box = mpin.getGeometry()[
0] # assumes there's only one; to extend and get biggest
llx, lly = box.xMin(), box.yMin()
urx, ury = box.xMax(), box.yMax()
area = (urx - llx) * (ury - lly)
if area > biggest_size:
biggest_size = area
biggest_mpin = mpin
main_mpin = biggest_mpin
box = main_mpin.getGeometry()[0]
ll = odb.Point(box.xMin(), box.yMin())
ur = odb.Point(box.xMax(), box.yMax())
# x = (ll.getX() + ur.getX())//2
# y = (ll.getY() + ur.getY())//2
# if VERBOSE: print(x, y)
transform.apply(ll)
transform.apply(ur)
layer = box.getTechLayer()
return [(layer, ll, ur)]
def manhattanDistance(x1, y1, x2, y2):
return odb.Point.manhattanDistance(odb.Point(x1, y1), odb.Point(x2, y2))
