def test_with_two_columns(node1):
node2 = node1.add_meter(200, Manager.small_bbox_side_length + 50)
manager = Manager(bbox=Bbox.from_leftdown_rightup(node1, node2),
job_queue_name='dummy')
columns = manager._calc_columns()
rows = manager._calc_rows()
assert rows == 1
assert columns == 2
def test_big_bbox(node1, node2):
manager = Manager(bbox=Bbox.from_leftdown_rightup(node1, node2),
job_queue_name='dummy')
length = len(manager.small_bboxes)
manager._generate_small_bboxes()
assert manager.small_bboxes[0].left == node1.longitude
assert manager.small_bboxes[0].bottom == node1.latitude
assert (manager.small_bboxes[length - 1].right >= node2.longitude and
manager.small_bboxes[length - 1].right <= node2.longitude + 0.05)
assert (manager.small_bboxes[length - 1].top >= node2.latitude
and manager.small_bboxes[length - 1].top <= node2.latitude + 0.05)
def get_tile_by_node(self, centre_node, side_length):
centre_pixel = self.get_pixel(centre_node)
x1 = centre_pixel[0] - side_length // 2
x2 = centre_pixel[0] + side_length // 2
y1 = centre_pixel[1] - side_length // 2
y2 = centre_pixel[1] + side_length // 2
crop_box = (x1, y1, x2, y2)
img = self.image.crop(crop_box)
left_down = self.get_node((x1, y1))
right_up = self.get_node((x2, y2))
bbox = Bbox.from_leftdown_rightup(left_down, right_up)
return Tile(img, bbox)
def test_first(node1, node2):
manager = Manager(bbox=Bbox.from_leftdown_rightup(node1, node2),
job_queue_name='dummy')
manager._generate_small_bboxes()
assert manager.small_bboxes[0].left == node1.longitude
assert manager.small_bboxes[0].bottom == node1.latitude
