def init_regions(self):
self.connections = [DPoint(0, 0), DPoint(self.dr.abs(), 0)]
self.angle_connections = [0, 0]
alpha = atan2(self.dr.y, self.dr.x)
self.angle_connections = [alpha, alpha]
alpha_trans = DCplxTrans(1, alpha * 180 / pi, False, 0, 0)
m_poly = DSimplePolygon([
DPoint(0, -self.Z0.width / 2),
DPoint(self.dr.abs(), -self.Z1.width / 2),
DPoint(self.dr.abs(), self.Z1.width / 2),
DPoint(0, self.Z0.width / 2)
])
e_poly1 = DSimplePolygon([
DPoint(0, -self.Z0.b / 2),
DPoint(self.dr.abs(), -self.Z1.b / 2),
DPoint(self.dr.abs(), -self.Z1.width / 2),
DPoint(0, -self.Z0.width / 2)
])
e_poly2 = DSimplePolygon([
DPoint(0, self.Z0.b / 2),
DPoint(self.dr.abs(), self.Z1.b / 2),
DPoint(self.dr.abs(), self.Z1.width / 2),
DPoint(0, self.Z0.width / 2)
])
m_poly.transform(alpha_trans)
e_poly1.transform(alpha_trans)
e_poly2.transform(alpha_trans)
self.metal_region.insert(SimplePolygon.from_dpoly(m_poly))
self.empty_region.insert(SimplePolygon.from_dpoly(e_poly1))
self.empty_region.insert(SimplePolygon.from_dpoly(e_poly2))
def init_regions(self):
self.metal_regions["bridges_1"] = Region(
) # region with ground contacts
self.empty_regions["bridges_1"] = Region() # remains empty
self.metal_regions["bridges_2"] = Region() # remains empty
self.empty_regions["bridges_2"] = Region(
) # region with erased bridge area
center = DPoint(0, 0)
self.connections = [center]
self.angle_connections = [0]
# init metal region of ground touching layer
top_gnd_center = center + DPoint(
0, self.gnd2gnd_dy / 2 + self.gnd_touch_dy / 2)
p1 = top_gnd_center + DPoint(-self.gnd_touch_dx / 2,
-self.gnd_touch_dy / 2)
p2 = p1 + DVector(self.gnd_touch_dx, self.gnd_touch_dy)
top_gnd_touch_box = pya.DBox(p1, p2)
self.metal_regions["bridges_1"].insert(
pya.Box().from_dbox(top_gnd_touch_box))
bot_gnd_center = center + DPoint(
0, -(self.gnd2gnd_dy / 2 + self.gnd_touch_dy / 2))
p1 = bot_gnd_center + DPoint(-self.gnd_touch_dx / 2,
-self.gnd_touch_dy / 2)
p2 = p1 + DVector(self.gnd_touch_dx, self.gnd_touch_dy)
bot_gnd_touch_box = pya.DBox(p1, p2)
self.metal_regions["bridges_1"].insert(
pya.Box().from_dbox(bot_gnd_touch_box))
# init empty region for second layout layer
# points start from left-bottom corner and goes in clockwise direction
p1 = bot_gnd_touch_box.p1 + DPoint(-self.surround_gap,
-self.surround_gap)
p2 = p1 + DPoint(
0, self.surround_gap + self.gnd_touch_dy + self.transition_len -
self.surround_gap)
# top left corner + `surrounding_gap` + `transition_length`
p3 = bot_gnd_touch_box.p1 + DPoint(0, bot_gnd_touch_box.height()) + \
DPoint(0, self.transition_len)
bl_pts_list = [p1, p2, p3] # bl stands for bottom-left
''' exploiting symmetry of reflection at x and y axes. '''
# reflecting at x-axis
tl_pts_list = list(map(lambda x: DTrans.M0 * x,
bl_pts_list)) # tl stands for top-left
# preserving order
tl_pts_list = reversed(
list(tl_pts_list)) # preserving clockwise points order
# converting iterator to list
l_pts_list = list(itertools.chain(bl_pts_list,
tl_pts_list)) # l stands for left
# reflecting all points at y-axis
r_pts_list = list(map(lambda x: DTrans.M90 * x, l_pts_list))
r_pts_list = list(
reversed(r_pts_list)) # preserving clockwise points order
# gathering points
pts_list = l_pts_list + r_pts_list # concatenating proper ordered lists
empty_polygon = DSimplePolygon(pts_list)
self.empty_regions["bridges_2"].insert(
SimplePolygon.from_dpoly(empty_polygon))
