def initialize_rectangle(evt, hsm):
x, y = evt.data
bounds = (x, y, x + 1, y + 1)
rect = Rectangle(*bounds)
rect.canvas_id = canvas.create_rectangle(bounds, outline='blue')
hsm.data.canvas_temp_data = (x, y, rect)
quad.insert(rect)
update_grid()
def test_overlap_each(self):
# overlap at the corner where 4 rectangles meet
for x in range(10, 1000, 10):
for y in range(10, 1000, 10):
exp = sorted([
Rectangle(x - 10, y - 10, x, y),
Rectangle(x - 10, y, x, y + 10),
Rectangle(x, y, x + 10, y + 10),
Rectangle(x, y - 10, x + 10, y),
],
key=key)
got = sorted(self.overlap(x - 1, y - 1, x + 1, y + 1), key=key)
assert got == exp
def setup_class(self):
self.qt = Node(0, 0, 90, 90)
# put a 9x9 tile on every 3 horizontal and vertical units
[
self.qt.insert(Rectangle(x, y, x + 9, y + 9))
for x in range(0, 80, 3) for y in range(0, 80, 3)
]
assert len(self.qt.get_children()) == 27 * 27
def setup_class(self):
self.qt = Node(0, 0, 1000, 1000)
# fill with 10x10 squares
[
self.qt.insert(Rectangle(x, y, x + 10, y + 10))
for x in range(0, 1000, 10) for y in range(0, 1000, 10)
]
assert len(self.qt.get_children()) == 10000
def test_item_crossing_border(self, max_depth, coords):
# adding item that cross borders shouldn't trigger nested subdivisions
qt = Node(0, 0, 1024, 1024, max_depth)
assert qt._get_depth() == 0
assert qt._get_number_of_nodes() == 1
rect = Rectangle(*coords)
qt.insert(rect)
assert qt.get_children() == [rect]
assert qt._get_depth() == 1
assert qt._get_number_of_nodes() == 5
def test_insert_two_at_different_locations(self):
qt = Node(0, 0, 1000, 1000)
rect1 = Rectangle(10, 10, 20, 20)
rect2 = Rectangle(800, 800, 900, 900)
qt.insert(rect1)
qt.insert(rect2)
assert qt.get_children() == [rect1, rect2]
qt.remove(rect1)
assert qt.get_children() == [rect2]
qt.insert(rect1)
assert qt.get_children() == [rect1, rect2]
qt.remove(rect2)
assert qt.get_children() == [rect1]
qt.remove(rect1)
assert qt.get_children() == []
assert qt.direct_children == []
def test_insert_small_rect_in_corner(self, max_depth, coords):
# inserting small rectangle in top left corner should make the
# quadtree perform maximum number of subdivisions
qt = Node(0, 0, 1024, 1024, max_depth)
assert qt._get_depth() == 0
assert qt._get_number_of_nodes() == 1
rect = Rectangle(*coords)
qt.insert(rect)
assert qt._get_depth() == max_depth
assert qt._get_number_of_nodes() == 1 + max_depth * 4
qt.remove(rect)
assert qt._get_depth() == 0
assert qt._get_number_of_nodes() == 1
def test_reinsert_into_another_quadrant(self, max_depth):
bounds_1 = (0.01, 0.01, 0.02, 0.02)
bounds_2 = (1023.998, 1023.998, 1023.999, 1023.999)
qt = Node(0, 0, 1024, 1024, max_depth)
assert qt._get_depth() == 0
assert qt._get_number_of_nodes() == 1
rect = Rectangle(*bounds_1)
qt.insert(rect)
assert qt._get_depth() == max_depth
assert qt._get_number_of_nodes() == 1 + max_depth * 4
# make sure that top-left quadrant is the only one subdivided
depths = [qt.quadrants[i]._get_depth() for i in range(4)]
assert depths == [max_depth - 1, 0, 0, 0]
# change coords and reinsert
rect.bounds = bounds_2
qt.reinsert(rect)
assert qt._get_depth() == max_depth
assert qt._get_number_of_nodes() == 1 + max_depth * 4
# make sure that bottom-right quadrant is the only one subdivided
depths = [qt.quadrants[i]._get_depth() for i in range(4)]
assert depths == [0, 0, 0, max_depth - 1]
def test_reinsert_into_another_quadrant(self, max_depth):
bounds_1 = (0.01, 0.01, 0.02, 0.02)
bounds_2 = (1023.998, 1023.998, 1023.999, 1023.999)
qt = Node(0, 0, 1024, 1024, max_depth)
assert qt._get_depth() == 0
assert qt._get_number_of_nodes() == 1
rect = Rectangle(*bounds_1)
qt.insert(rect)
assert qt._get_depth() == max_depth
assert qt._get_number_of_nodes() == 1 + max_depth * 4
# make sure that top-left quadrant is the only one subdivided
depths = [qt.quadrants[i]._get_depth() for i in range(4)]
assert depths == [max_depth - 1, 0, 0, 0]
# change coords and reinsert
rect.bounds = bounds_2
qt.reinsert(rect)
assert qt._get_depth() == max_depth
assert qt._get_number_of_nodes() == 1 + max_depth * 4
# make sure that bottom-right quadrant is the only one subdivided
depths = [qt.quadrants[i]._get_depth() for i in range(4)]
assert depths == [0, 0, 0, max_depth - 1]
def test_reinsert_into_same_quadrant(self, max_depth):
bounds = (0.001, 0.001, 0.002, 0.002)
qt = Node(0, 0, 1024, 1024, max_depth)
assert qt._get_depth() == 0
assert qt._get_number_of_nodes() == 1
rect = Rectangle(*bounds)
qt.insert(rect)
assert qt._get_depth() == max_depth
assert qt._get_number_of_nodes() == 1 + max_depth * 4
# make sure that top-left quadrant is the only one subdivided
depths = [qt.quadrants[i]._get_depth() for i in range(4)]
assert depths == [max_depth - 1, 0, 0, 0]
# change coords and reinsert into same place
qt.reinsert(rect)
assert qt._get_depth() == max_depth
assert qt._get_number_of_nodes() == 1 + max_depth * 4
depths = [qt.quadrants[i]._get_depth() for i in range(4)]
assert depths == [max_depth - 1, 0, 0, 0]
def test_enclose_some(self):
got = sorted(self.enclose(377, 499, 401, 601), key=key)
exp = sorted([
Rectangle(380, 500, 390, 510),
Rectangle(390, 500, 400, 510),
Rectangle(380, 510, 390, 520),
Rectangle(390, 510, 400, 520),
Rectangle(380, 520, 390, 530),
Rectangle(390, 520, 400, 530),
Rectangle(380, 530, 390, 540),
Rectangle(390, 530, 400, 540),
Rectangle(380, 540, 390, 550),
Rectangle(390, 540, 400, 550),
Rectangle(380, 550, 390, 560),
Rectangle(390, 550, 400, 560),
Rectangle(380, 560, 390, 570),
Rectangle(390, 560, 400, 570),
Rectangle(380, 570, 390, 580),
Rectangle(390, 570, 400, 580),
Rectangle(380, 580, 390, 590),
Rectangle(390, 580, 400, 590),
Rectangle(380, 590, 390, 600),
Rectangle(390, 590, 400, 600),
],
key=key)
assert got == exp
def test_enclose_each(self):
for x in range(0, 1000, 10):
for y in range(0, 1000, 10):
exp = Rectangle(x, y, x + 10, y + 10)
assert self.enclose(x - 1, y - 1, x + 11, y + 11) == [exp]
def test_under_point_each(self):
for x in range(10, 1000, 10):
for y in range(10, 1000, 10):
exp = [Rectangle(x, y, x + 10, y + 10)]
got = self.under(x + randint(1, 9), y + randint(1, 9))
assert got == exp
def __init__(self, a, b, c, d):
Rectangle.__init__(self, a, b, c, d)
self.data = None
def setup_class(self):
self.qt = Node(0, 0, 1000, 1000)
self.rect = Rectangle(20, 20, 40, 40)
def test_overlap_some(self):
got = sorted(self.overlap(387, 501, 391, 591), key=key)
exp = sorted([
Rectangle(380, 500, 390, 510),
Rectangle(390, 500, 400, 510),
Rectangle(380, 510, 390, 520),
Rectangle(390, 510, 400, 520),
Rectangle(380, 520, 390, 530),
Rectangle(390, 520, 400, 530),
Rectangle(380, 530, 390, 540),
Rectangle(390, 530, 400, 540),
Rectangle(380, 540, 390, 550),
Rectangle(390, 540, 400, 550),
Rectangle(380, 550, 390, 560),
Rectangle(390, 550, 400, 560),
Rectangle(380, 560, 390, 570),
Rectangle(390, 560, 400, 570),
Rectangle(380, 570, 390, 580),
Rectangle(390, 570, 400, 580),
Rectangle(380, 580, 390, 590),
Rectangle(390, 580, 400, 590),
Rectangle(380, 590, 390, 600),
Rectangle(390, 590, 400, 600),
],
key=key)
assert got == exp
def __init__(self, a, b, c, d):
Rectangle.__init__(self, a, b, c, d)
self.data = None