def count_inside(w_geom,
v,
u,
platform_index,
w_means=None,
w_std=None,
grids=None):
if np.ndim(w_geom) == 1:
w_geom = w_geom.reshape((1, -1))
if w_means is not None:
w_geom = w_geom * w_std + w_means
if w_geom.shape[1] == ((u + 3) * v - 2):
w_geom = ut.convert_toxyz(w_geom, v, u, w_geom.shape[0])
if grids.size <= 2:
grids = grids.reshape(1, 2)
else:
grids = grids.reshape(int(grids.size / 2), 2)
if grids.ndim < 2:
grids = grids.reshape(11, 2)
count = 0
inside_index = []
for isamp in [0]:
ind_use = np.arange(u * 2) + platform_index * u * 2
points = w_geom[isamp, ind_use].reshape(u, -1)
points = np.concatenate([points, points[0, :].reshape(1, 2)], axis=0)
poly = Polygon(points)
for i in range(grids.shape[0]):
pole = Point(grids[i, :])
if pole.within(poly):
count += 1
inside_index.append(i)
return count, inside_index
def which_poles_in(w_, grids, garden_index, v=5, u=8):
if np.ndim(w_) == 1:
w_ = w_.reshape((1, -1))
if w_.shape[1] == ((u + 3) * v - 2):
w_ = ut.convert_toxyz(w_, v, u, w_.shape[0])
if grids.size <= 2:
grids = grids.reshape(1, 2)
else:
grids = grids.reshape(int(grids.size / 2), 2)
if grids.ndim < 2:
grids = grids.reshape(11, 2)
good_ind = []
for pole in range(grids.shape[0]):
point = Point(grids[pole, :])
for i in range(v):
ind_use = np.arange(u * 2) + i * u * 2
points = w_[garden_index, ind_use].reshape(u, -1)
points = np.concatenate([points, points[0, :].reshape(1, 2)],
axis=0)
poly = Polygon(points)
is_in = in_polygon(point, poly)
if is_in:
good_ind.append(pole)
break
return good_ind
def count_inside(w_geom,
v,
u,
garden_index,
w_means=None,
w_std=None,
grids=None):
count = 0
inside_index = []
h_max = 12
# sort platforms by height
platforms = w_geom[garden_index, :]
h_index = [50, 51, 52]
heights = platforms[h_index]
sorted_args = np.argsort(heights)
sorted_args += 1
sorted_indices = np.zeros(5)
sorted_indices[0] = 0
sorted_indices[4] = 4
sorted_indices[1:4] = sorted_args
pole_heights = np.zeros(grids.shape[0])
count_per_platform = np.zeros(5)
if np.ndim(w_geom) == 1:
w_geom = w_geom.reshape((1, -1))
if w_means is not None:
w_geom = w_geom * w_std + w_means
if w_geom.shape[1] == ((u + 3) * v - 2):
w_geom = ut.convert_toxyz(w_geom, v, u, w_geom.shape[0])
if grids.size <= 2:
grids = grids.reshape(1, 2)
else:
grids = grids.reshape(int(grids.size / 2), 2)
if grids.ndim < 2:
grids = grids.reshape(11, 2)
for sorted_plat in sorted_indices:
sorted_plat = int(sorted_plat)
ind_use = np.arange(u * 2) + sorted_plat * u * 2
points = w_geom[garden_index, ind_use].reshape(u, -1)
points = np.concatenate([points, points[0, :].reshape(1, 2)], axis=0)
poly = Polygon(points)
for i in range(grids.shape[0]):
pole = Point(grids[i, :])
#if pole_heights[i] <= h_max:
if pole.within(poly):
count_per_platform[sorted_plat] += 1
if sorted_plat == 0:
pole_heights[i] = 4.5
elif sorted_plat == 4:
pole_heights[i] = 12
else:
index = sorted_plat - 1
pole_heights[i] = heights[index]
return count_per_platform
def calc_distance_to_platform(w_geom,
v,
u,
garden_index,
w_means=None,
w_std=None,
grids=None):
mpt_g = convex_hull_garden(w_geom, garden_index)
if np.ndim(w_geom) == 1:
w_geom = w_geom.reshape((1, -1))
if w_means is not None:
w_geom = w_geom * w_std + w_means
if w_geom.shape[1] == ((u + 3) * v - 2):
w_geom = ut.convert_toxyz(w_geom, v, u, w_geom.shape[0])
if grids.ndim < 2:
grids = grids.reshape(11, 2)
distances_matrix = np.zeros((grids.shape[0], v))
inside_dist = []
outside_dist = []
pole_in_one_poly = np.zeros((grids.shape[0]))
for iw in range(v):
ind_use = np.arange(u * 2) + iw * u * 2
points = w_geom[garden_index, ind_use].reshape(u, -1)
points = np.concatenate([points, points[0, :].reshape(1, 2)], axis=0)
poly = Polygon(points)
for pole_index in range(grids.shape[0]):
pole = Point(grids[pole_index, :])
if pole.within(mpt_g.convex_hull):
if pole.within(poly):
dist = poly.exterior.distance(pole)
distances_matrix[pole_index, iw] = dist
inside_dist.append(dist)
pole_in_one_poly[pole_index] = 1
else:
dist = poly.boundary.distance(pole)
distances_matrix[pole_index, iw] = dist
outside_dist.append(dist)
else:
distances_matrix[pole_index, iw] = 5
count = 0
loss = 0
for pole_index in range(grids.shape[0]):
if pole_in_one_poly[pole_index] == 0:
count += 1
if count >= 5:
loss += count * 0.1
return distances_matrix, np.array(inside_dist), np.array(
outside_dist), loss
def give_linear_rings(w_,v,u,garden_index):
if np.ndim(w_) == 1:
w_ = w_.reshape((1, -1))
if w_.shape[1] == ((u + 3) * v - 2):
w_geom = ut.convert_toxyz(w_, v, u, w_.shape[0])
points_list = []
for i in range(v):
ind_use = np.arange(u * 2) + i * u * 2
points = w_geom[garden_index, ind_use].reshape(u, -1)
points = np.concatenate([points, points[0, :].reshape(1, 2)], axis=0)
poly = LinearRing(points)
points_list.append(poly)
return points_list
def convex_hull_garden(w_, garden_index, v=5, u=8):
if np.ndim(w_) == 1:
w_ = w_.reshape((1, -1))
if w_.shape[1] == ((u + 3) * v - 2):
w_geom = ut.convert_toxyz(w_, v, u, w_.shape[0])
points_list = []
for i in range(v):
ind_use = np.arange(u * 2) + i * u * 2
points = w_geom[garden_index, ind_use].reshape(u, -1)
points = np.concatenate([points, points[0, :].reshape(1, 2)], axis=0)
poly = Polygon(points)
points_list.append(poly)
mtp = MultiPolygon(points_list)
#cvx = mtp.convex_hull
return mtp
def pole_to_pole_distances(w_geom,
v,
u,
w_means=None,
w_std=None,
samp_to_plot=None,
grids=None):
if np.ndim(w_geom) == 1:
w_geom = w_geom.reshape((1, -1))
if w_means is not None:
w_geom = w_geom * w_std + w_means
if w_geom.shape[1] == ((u + 3) * v - 2):
w_geom = ut.convert_toxyz(w_geom, v, u, w_geom.shape[0])
if grids.ndim < 2:
grids = grids.reshape(grids.shape[0] / 11, 2)
if samp_to_plot is None:
vec_rand_samples = np.random.permutation(w_geom.shape[0])
else:
vec_rand_samples = [samp_to_plot]
if grids.ndim < 2:
grids = grids.reshape(11, 2)
count = 0
inside_index = []
pole_to_pole = np.zeros((grids.shape[0], grids.shape[0]))
for isamp in vec_rand_samples[:1]:
for iw in range(v):
ind_use = np.arange(u * 2) + iw * u * 2
points = w_geom[isamp, ind_use].reshape(u, -1)
points = np.concatenate([points, points[0, :].reshape(1, 2)],
axis=0)
poly = Polygon(points)
for i in range(grids.shape[0]):
# pole1 = Point(grids[i,:])
for j in range(grids.shape[0]):
# pole2 = Point(grids[j,:])
# if pole1.within(poly) and pole2.within(poly):
# dist = pole1.distance(pole2)
dist = np.linalg.norm(grids[i, :] - grids[j, :])
pole_to_pole[i, j] = dist
return pole_to_pole
def get_polygon(w_, garden_index):
# returns five polygons in a list
u = 8
v = 5
poly_list = []
if np.ndim(w_) == 1:
w_ = w_.reshape((1, -1))
if w_.shape[1] == ((u + 3) * v - 2):
w_ = ut.convert_toxyz(w_, v, u, w_.shape[0])
for platform_index in range(5):
ind_use = np.arange(u * 2) + platform_index * u * 2
points = w_[garden_index, ind_use].reshape(u, -1)
points = np.concatenate([points, points[0, :].reshape(1, 2)], axis=0)
#plt.plot(points[:,0],points[:,1])
#plt.show()
poly = Polygon(points)
poly_list.append(poly)
return poly_list
def calc_distance_to_platform(w_geom,
v,
u,
w_means=None,
w_std=None,
grids=None):
if np.ndim(w_geom) == 1:
w_geom = w_geom.reshape((1, -1))
if w_means is not None:
w_geom = w_geom * w_std + w_means
if w_geom.shape[1] == ((u + 3) * v - 2):
w_geom = ut.convert_toxyz(w_geom, v, u, w_geom.shape[0])
if grids.ndim < 2:
grids = grids.reshape(11, 2)
distances_matrix = np.zeros((grids.shape[0], v))
inside_dist = []
outside_dist = []
for isamp in [0]:
for iw in range(v):
ind_use = np.arange(u * 2) + iw * u * 2
points = w_geom[isamp, ind_use].reshape(u, -1)
points = np.concatenate([points, points[0, :].reshape(1, 2)],
axis=0)
poly = Polygon(points)
for pole_index in range(grids.shape[0]):
pole = Point(grids[pole_index, :])
if pole.within(poly):
dist = poly.exterior.distance(pole)
distances_matrix[pole_index, iw] = dist
inside_dist.append(dist)
else:
dist = poly.boundary.distance(pole)
distances_matrix[pole_index, iw] = dist
outside_dist.append(dist)
return distances_matrix, np.array(inside_dist), np.array(outside_dist)
def random_search_in_platform(platform_ind, w_, garden_index, grids):
u = 8
v = 5
if np.ndim(w_) == 1:
w_ = w_.reshape((1, -1))
if w_.shape[1] == ((u + 3) * v - 2):
w_ = ut.convert_toxyz(w_, v, u, w_.shape[0])
if grids.size <= 2:
grids = grids.reshape(1, 2)
else:
grids = grids.reshape(int(grids.size / 2), 2)
if grids.ndim < 2:
grids = grids.reshape(11, 2)
for platform_index in platform_ind:
ind_use = np.arange(u * 2) + platform_index * u * 2
points = w_[garden_index, ind_use].reshape(u, -1)
points = np.concatenate([points, points[0, :].reshape(1, 2)], axis=0)
poly = Polygon(points)
count, _ = count_inside(w_,
v,
u,
platform_index,
garden_index,
grids=grids)
while count < 3:
print("COUNT IN EXTERNAL LOOP {}".format(count))
rand_point = np.array(get_random_point_in_polygon(poly)).reshape(
1, 2)
print(rand_point)
tmp = grids
tmp = np.append(tmp, rand_point, axis=0)
pole_platform, _ = poles_platform_distance_constraint(
tmp, w_, garden_index)
pole_pole, _ = all_poles_dist_constraint(tmp)
c = max(pole_pole, pole_platform)
if c <= 0:
count += 1
grids = np.append(grids, rand_point, axis=0)
return grids
def bo_in_platform(platform_ind, w_, garden_index, grids):
u = 8
v = 5
if np.ndim(w_) == 1:
w_ = w_.reshape((1, -1))
if w_.shape[1] == ((u + 3) * v - 2):
w_ = ut.convert_toxyz(w_, v, u, w_.shape[0])
if grids.size <= 2:
grids = grids.reshape(1, 2)
else:
grids = grids.reshape(int(grids.size / 2), 2)
if grids.ndim < 2:
grids = grids.reshape(11, 2)
grids = np.random.uniform(low=0, high=1, size=(15, 2))
for platform_index in platform_ind:
ind_use = np.arange(u * 2) + platform_index * u * 2
points = w_[garden_index, ind_use].reshape(u, -1)
points = np.concatenate([points, points[0, :].reshape(1, 2)], axis=0)
poly = Polygon(points)
minx, miny, maxx, maxy = poly.bounds
bounds = [{
'name': 'p1_1',
'type': 'continuous',
'domain': (minx, maxx)
}, {
'name': 'p1_2',
'type': 'continuous',
'domain': (miny, maxy)
}, {
'name': 'p2_1',
'type': 'continuous',
'domain': (minx, maxx)
}, {
'name': 'p2_2',
'type': 'continuous',
'domain': (miny, maxy)
}, {
'name': 'p3_1',
'type': 'continuous',
'domain': (minx, maxx)
}, {
'name': 'p3_2',
'type': 'continuous',
'domain': (miny, maxy)
}]
poles = np.random.uniform(low=minx, high=maxx, size=(3, 2))
_, _, Y_init = all_constraints(w_,
garden_index,
poles,
final_check=True)
poles = poles.reshape(1, 6)
Y_step = np.empty((1, 1))
Y_step[0, 0] = Y_init
count = 0
context = {}
while count < 3:
bo_step = BayesianOptimization(f=None,
model="GP_MCMC",
domain=bounds,
X=poles,
Y=Y_step,
maximize=False,
acquisition="LCB")
print("COUNT IN EXTERNAL LOOP {} for platform {}".format(
count, platform_index))
x_next = bo_step.suggest_next_locations()
y_next, good_poles, counts = all_constraints(w_,
garden_index,
poles,
final_check=True)
print("good poles {}".format(good_poles))
print("context {}".format(context))
num_fixed_poles = len(context)
print("num fixed poles {}".format(num_fixed_poles))
# good_indices = list(chain.from_iterable((i, i + 1) for i in good_poles))
fixed_poles = poles[np.argmin(Y_step), :] # [good_indices]
for p in good_poles:
context["p{}_{}".format(p, 1)] = fixed_poles[p]
context["p{}_{}".format(p, 2)] = fixed_poles[p + 1]
count += 1
y_tmp = np.empty((1, 1))
y_tmp[0, 0] = y_next
poles = np.vstack((poles, x_next))
Y_step = np.vstack((Y_step, y_tmp))
loss = y_tmp[0, 0]
if loss <= 0:
count += 1
results = poles[np.argmin(Y_step), :].reshape(3, 2)
grids[platform_index * 3:platform_index * 3 + 3, :] = results
return grids