def test_first(node1, node2, default_config):
manager = Manager(bbox=Bbox.from_nodes(node_left_down=node1,
node_right_up=node2),
configuration=default_config)
manager._generate_small_bboxes()
assert manager.small_bboxes[0].left == node1.longitude
assert manager.small_bboxes[0].bottom == node1.latitude
def test_with_three(node1, configuration_no_compare):
node2 = node1.add_meter(2 * configuration_no_compare.bbox_size + 50, 2 * configuration_no_compare.bbox_size + 50)
manager = Manager(bbox=Bbox.from_nodes(node_left_down=node1, node_right_up=node2))
columns = manager._calc_columns()
rows = manager._calc_rows()
assert rows == 3
assert columns == 3
def test_with_two_columns(node1, configuration_no_compare):
node2 = node1.add_meter(200, configuration_no_compare.bbox_size + 50)
manager = Manager(
bbox=Bbox.from_nodes(node_left_down=node1, node_right_up=node2))
columns = manager._calc_columns()
rows = manager._calc_rows()
assert rows == 1
assert columns == 2
def test_with_three(node1, configuration_no_compare):
bbox_size = int(configuration_no_compare.JOB.bboxsize)
node2 = node1.add_meter(2 * bbox_size + 50, 2 * bbox_size + 50)
manager = Manager(bbox=Bbox.from_nodes(node_left_down=node1,
node_right_up=node2),
configuration=configuration_no_compare)
columns = manager._calc_columns()
rows = manager._calc_rows()
assert rows == 3
assert columns == 3
def test_big_bbox(node1, node2):
manager = Manager(bbox=Bbox.from_nodes(node_left_down=node1, node_right_up=node2))
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 test_big_bbox(node1, node2):
manager = Manager(
bbox=Bbox.from_nodes(node_left_down=node1, node_right_up=node2))
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_nodes(node_left_down=left_down, node_right_up=right_up)
return Tile(img, bbox)
def main(args):
coords = [args.coord[i:i + 2] for i in range(0, len(args.coord), 2)]
coords = list(map(lambda c: Node(*c), coords))
bbox = Bbox.from_nodes(coords[0], coords[1])
if args.tags:
tags = map(lambda kv: Tag(key=kv[0], value=kv[1]),
map(lambda kv: kv.split('=', 1), args.tags.split(',')))
walker = OsmObjectWalker(Tile(image_api=WmsApi(), bbox=bbox),
tags,
square_image_length=100)
else:
walker = CoordWalker(Tile(image_api=WmsApi(), bbox=bbox),
coords,
square_image_length=100)
tiles = walker.get_tiles()
for n, t in enumerate(tiles):
centre_node = t.get_centre_node()
name = "fetch/{0:02.8}_{1:02.8}.png".format(centre_node.latitude,
centre_node.longitude)
t.image.save(name, "PNG")
print(name)
def test_first(node1, node2):
manager = Manager(bbox=Bbox.from_nodes(node_left_down=node1, node_right_up=node2))
manager._generate_small_bboxes()
assert manager.small_bboxes[0].left == node1.longitude
assert manager.small_bboxes[0].bottom == node1.latitude
