def _draw_unit_cell(self):
o = self.origin
rect=pg.rectangle(size=(self.coverage*self.pitch,self.length),\
layer=self.layer)
rect.move(origin=(0, 0), destination=o.coord)
unitcell = Device()
r1 = unitcell << rect
unitcell.absorb(r1)
r2 = unitcell << rect
r2.move(origin=o.coord,\
destination=(o+Point(self.pitch,self.y_offset)).coord)
r3 = unitcell << rect
r3.move(origin=o.coord,\
destination=(o+Point(2*self.pitch,0)).coord)
unitcell.absorb(r2)
unitcell.absorb(r3)
unitcell.name = "UnitCell"
del rect
return unitcell
def draw(self):
''' Generates layout cell based on current parameters.
'top' and 'bottom' ports are included in the cell.
Returns
-------
cell : phidl.Device.
'''
unitcell = self._draw_unit_cell()
cell = Device(self.name)
cell.name = self.name
cell.add_array(unitcell,columns=self.n,rows=1,\
spacing=(self.pitch*2,0))
cell.flatten()
totx = self.pitch * (self.n * 2 + 1) - self.pitch * (1 - self.coverage)
midx = totx / 2
finger_dist=Point(self.pitch*1,\
self.length+self.y_offset)
cell = join(cell)
cell.name = self.name
cell.add_port(Port(name='bottom',\
midpoint=(self.origin+\
Point(midx,0)).coord,\
width=totx,
orientation=-90))
cell.add_port(Port(name='top',\
midpoint=(self.origin+\
Point(midx,self.length+self.y_offset)).coord,\
width=totx,
orientation=90))
del unitcell
return cell
def _draw_unit_cell(self):
o = self.origin
rect=pg.rectangle(size=(self.coverage*self.pitch,self.length),\
layer=self.layer)
rect.move(origin=(0, 0), destination=o.coord)
unitcell = Device()
r1 = unitcell << rect
unitcell.absorb(r1)
rect_partialetch=pg.rectangle(\
size=(\
(1-self.coverage)*self.pitch,self.length-self.y_offset),\
layer=LayoutDefault.layerPartialEtch)
rect_partialetch.move(origin=o.coord,\
destination=(self.pitch*self.coverage,self.y_offset))
rp1 = unitcell << rect_partialetch
rp2 = unitcell << rect_partialetch
rp2.move(destination=(self.pitch, 0))
r2 = unitcell << rect
r2.move(origin=o.coord,\
destination=(o+Point(self.pitch,self.y_offset)).coord)
r3 = unitcell << rect
r3.move(origin=o.coord,\
destination=(o+Point(2*self.pitch,0)).coord)
unitcell.absorb(r2)
unitcell.absorb(r3)
unitcell.name = "UnitCell"
del rect, rect_partialetch
return unitcell
def draw(self):
cell=Device()
cell.name=self.name
d_ref=cell.add_ref(cls.draw(self))
for name,port in d_ref.ports.items():
self.pad.port=port
pad_ref=cell.add_ref(self.pad.draw())
pad_ref.connect(pad_ref.ports['conn'],
destination=port)
cell.absorb(pad_ref)
cell.add_port(port,name)
return cell
def draw(self):
cell = Device()
cell.name = self.name
supercell = LFERes.draw(self)
super_ref = cell.add_ref(supercell)
if self.plate_position == 'out, short':
plate=pg.rectangle(size=(self.etchpit.active_area.x+8*self.idt.active_area_margin,self.idt.length-self.idt.y_offset/2),\
layer=self.platelayer)
plate_ref = cell.add_ref(plate, alias='Plate')
transl_rel=Point(self.etchpit.x-4*self.idt.active_area_margin,self.anchor.size.y+2*self.anchor.etch_margin.y+self.bus.size.y\
+self.idt.y_offset*3/4)
lr_cell = get_corners(cell)[0]
lr_plate = get_corners(plate_ref)[0]
plate_ref.move(origin=lr_plate.coord,\
destination=(lr_plate+lr_cell+transl_rel).coord)
cell.absorb(plate_ref)
del plate
elif self.plate_position == 'in, short':
plate=pg.rectangle(\
size=(\
self.etchpit.active_area.x-\
2*self.idt.active_area_margin,\
self.idt.length-self.idt.y_offset/2),\
layer=self.platelayer)
plate_ref = cell.add_ref(plate, alias='Plate')
transl_rel=Point(self.etchpit.x+\
self.idt.active_area_margin,\
self.anchor.size.y+\
2*self.anchor.etch_margin.y+\
self.bus.size.y+\
self.idt.y_offset*3/4)
lr_cell = get_corners(cell)[0]
lr_plate = get_corners(plate_ref)[0]
plate_ref.move(origin=lr_plate.coord,\
destination=(lr_plate+lr_cell+transl_rel).coord)
cell.absorb(plate_ref)
del plate
elif self.plate_position == 'out, long':
plate=pg.rectangle(\
size=(self.etchpit.active_area.x+\
8*self.idt.active_area_margin,\
self.idt.length+\
2*self.bus.size.y+\
self.idt.y_offset),\
layer=self.platelayer)
plate_ref = cell.add_ref(plate, alias='Plate')
transl_rel=Point(self.etchpit.x-\
4*self.idt.active_area_margin,\
self.anchor.size.y+2*self.anchor.etch_margin.y)
lr_cell = get_corners(cell)[0]
lr_plate = get_corners(plate_ref)[0]
plate_ref.move(origin=lr_plate.coord,\
destination=(lr_plate+lr_cell+transl_rel).coord)
cell.absorb(plate_ref)
del plate
elif self.plate_position == 'in, long':
plate=pg.rectangle(\
size=(\
self.etchpit.active_area.x-\
2*self.idt.active_area_margin,\
self.idt.length+\
2*self.bus.size.y+\
self.idt.y_offset),
layer=self.platelayer)
plate_ref = cell.add_ref(plate, alias='Plate')
transl_rel=Point(self.etchpit.x+\
self.idt.active_area_margin,\
self.anchor.size.y+2*self.anchor.etch_margin.y)
lr_cell = get_corners(cell)[0]
lr_plate = get_corners(plate_ref)[0]
plate_ref.move(origin=lr_plate.coord,\
destination=(lr_plate+lr_cell+transl_rel).coord)
cell.absorb(plate_ref)
del plate
for name, port in supercell.ports.items():
cell.add_port(port, name)
return cell
