def _shapely_pol_to_nest2d_item(product_pol: Polygon):
points = []
holes = []
product_pol = product_pol.buffer(10).convex_hull
# First exterior
polx, poly = product_pol.exterior.coords.xy
points += [Point(x, y) for x, y in zip(polx, poly)]
# Then interiors
for interior in product_pol.interiors:
polx, poly = interior.coords.xy
holes.append([Point(x, y) for x, y in zip(polx, poly)])
# Return item representing the shape of the shapely polygon
return Item(points, holes)
def add_shape1(n, items):
for i in range(n):
item = Item([
Point(-5.0, 8.95405),
Point(5.0, 8.954050),
Point(5.000000, -0.045949),
Point(4.972609, -0.568550),
Point(3.500000, -8.954050),
Point(-3.500000, -8.954050),
Point(-4.972609, -0.568550),
Point(-5.000000, -0.045949),
Point(-5.000000, 8.954050)
])
items.append(item)
def add_shape2(n, items):
for i in range(n):
item = Item([
Point(-11.750000, 13.057900),
Point(-9.807860, 15.000000),
Point(4.392139, 24.000000),
Point(11.750000, 24.000000),
Point(11.750000, -24.000000),
Point(4.392139, -24.000000),
Point(-9.807860, -15.000000),
Point(-11.750000, -13.057900),
Point(-11.750000, 13.057900)
])
items.append(item)
def test_item():
i1 = Item([
Point(-5000000, 8954050),
Point(5000000, 8954050),
Point(5000000, -45949),
Point(4972609, -568550),
Point(3500000, -8954050),
Point(-3500000, -8954050),
Point(-4972609, -568550),
Point(-5000000, -45949),
Point(-5000000, 8954050)
])
assert repr(i1) == 'Item(area: 166258748205509, bin_id: -1, vertices: 9)'
assert Item.__doc__ == 'An item to be placed on a bin.'
def add_shape1(n, items):
for i in range(n):
item = Item([
Point(-5000000, 8954050),
Point(5000000, 8954050),
Point(5000000, -45949),
Point(4972609, -568550),
Point(3500000, -8954050),
Point(-3500000, -8954050),
Point(-4972609, -568550),
Point(-5000000, -45949),
Point(-5000000, 8954050)
])
items.append(item)
def add_shape2(n, items):
for i in range(n):
item = Item([
Point(-11750000, 13057900),
Point(-9807860, 15000000),
Point(4392139, 24000000),
Point(11750000, 24000000),
Point(11750000, -24000000),
Point(4392139, -24000000),
Point(-9807860, -15000000),
Point(-11750000, -13057900),
Point(-11750000, 13057900)
])
items.append(item)
def irregular_containerize(self, objects, bins, params):
item_list = []
for k, obj in enumerate(objects):
mask = obj[3]
cnt, h = cv2.findContours(mask.astype(np.uint8), cv2.RETR_LIST,
cv2.CHAIN_APPROX_SIMPLE)
cv2.imwrite("/tmp/k.png", mask)
#print(len(cnt),cnt[0].shape)
ps = []
for p in cnt[0].reshape(-1, 2):
ps.append(Point(p[0] * 1000, p[1] * 1000))
item_list.append(Item(ps))
package = nest(item_list, Box(bins[0] * 1000, bins[1] * 1000))
print(package)
self.sw.write_packgroup(package)
self.sw.save()
def test_point():
p = Point(-5000000, 8954050)
assert repr(p) == 'Point(-5000000, 8954050)'
assert Point.__doc__ == '2D Point'
assert p.x == -5000000
assert p.y == 8954050