def test_verify_low_seed_tiles(self):
from tilequeue.tile import coord_int_zoom_up
from tilequeue.tile import coord_marshall_int
from tilequeue.tile import seed_tiles
seed_coords = seed_tiles(1, 5)
for coord in seed_coords:
coord_int = coord_marshall_int(coord)
parent_coord = coord.zoomTo(coord.zoom - 1).container()
exp_int = coord_marshall_int(parent_coord)
act_int = coord_int_zoom_up(coord_int)
self.assertEquals(exp_int, act_int)
def explode_and_intersect(coord_ints, tiles_of_interest, until=0):
next_coord_ints = coord_ints
coord_ints_at_parent_zoom = set()
while True:
for coord_int in next_coord_ints:
if coord_int in tiles_of_interest:
yield coord_int
zoom = zoom_mask & coord_int
if zoom > until:
parent_coord_int = coord_int_zoom_up(coord_int)
coord_ints_at_parent_zoom.add(parent_coord_int)
if not coord_ints_at_parent_zoom:
return
next_coord_ints = coord_ints_at_parent_zoom
coord_ints_at_parent_zoom = set()
def explode_and_intersect(coord_ints, tiles_of_interest, until=0):
next_coord_ints = coord_ints
coord_ints_at_parent_zoom = set()
while True:
for coord_int in next_coord_ints:
if coord_int in tiles_of_interest:
yield coord_int
zoom = zoom_mask & coord_int
if zoom > until:
parent_coord_int = coord_int_zoom_up(coord_int)
coord_ints_at_parent_zoom.add(parent_coord_int)
if not coord_ints_at_parent_zoom:
return
next_coord_ints = coord_ints_at_parent_zoom
coord_ints_at_parent_zoom = set()
def test_verify_examples(self):
from ModestMaps.Core import Coordinate
from tilequeue.tile import coord_int_zoom_up
from tilequeue.tile import coord_marshall_int
test_coords = (
Coordinate(zoom=20, column=1002463, row=312816),
Coordinate(zoom=20, column=(2 ** 20)-1, row=(2 ** 20)-1),
Coordinate(zoom=10, column=(2 ** 10)-1, row=(2 ** 10)-1),
Coordinate(zoom=5, column=20, row=20),
Coordinate(zoom=1, column=0, row=0),
)
for coord in test_coords:
coord_int = coord_marshall_int(coord)
parent_coord = coord.zoomTo(coord.zoom - 1).container()
exp_int = coord_marshall_int(parent_coord)
act_int = coord_int_zoom_up(coord_int)
self.assertEquals(exp_int, act_int)