def test_seed_with_res_list(self):
# box from 10 10 to 80 80 with small spike/corner to -10 60 (upper left)
geom = load_wkt(
"POLYGON((10 10, 10 50, -10 60, 10 80, 80 80, 80 10, 10 10))")
self.grid = TileGrid(
SRS(4326),
bbox=[-180, -90, 180, 90],
res=[360 / 256, 360 / 720, 360 / 2000, 360 / 5000, 360 / 8000],
)
self.tile_mgr = TileManager(self.grid,
MockCache(), [self.source],
"png",
locker=DummyLocker())
task = self.make_geom_task(geom, SRS(4326), [0, 1, 2, 3, 4])
seeder = TileWalker(task, self.seed_pool, handle_uncached=True)
seeder.walk()
assert len(self.seed_pool.seeded_tiles) == 5
assert self.seed_pool.seeded_tiles[0] == set([(0, 0)])
assert self.grid.grid_sizes[1] == (3, 2)
assert self.seed_pool.seeded_tiles[1] == set([(1, 0), (1, 1), (2, 0),
(2, 1)])
assert self.grid.grid_sizes[2] == (8, 4)
assert self.seed_pool.seeded_tiles[2] == set([(4, 2), (5, 2), (4, 3),
(5, 3), (3, 3)])
assert self.grid.grid_sizes[3] == (20, 10)
assert len(self.seed_pool.seeded_tiles[3]) == 5 * 5 + 2
def test_seed_with_res_list(self):
if not load_wkt: raise SkipTest('no shapely installed')
# box from 10 10 to 80 80 with small spike/corner to -10 60 (upper left)
geom = load_wkt(
"POLYGON((10 10, 10 50, -10 60, 10 80, 80 80, 80 10, 10 10))")
self.grid = TileGrid(
SRS(4326),
bbox=[-180, -90, 180, 90],
res=[360 / 256, 360 / 720, 360 / 2000, 360 / 5000, 360 / 8000])
self.tile_mgr = TileManager(self.grid,
MockCache(), [self.source],
'png',
locker=DummyLocker())
task = self.make_geom_task(geom, SRS(4326), [0, 1, 2, 3, 4])
seeder = TileWalker(task, self.seed_pool, handle_uncached=True)
seeder.walk()
eq_(len(self.seed_pool.seeded_tiles), 5)
eq_(self.seed_pool.seeded_tiles[0], set([(0, 0)]))
eq_(self.grid.grid_sizes[1], (3, 2))
eq_(self.seed_pool.seeded_tiles[1],
set([(1, 0), (1, 1), (2, 0), (2, 1)]))
eq_(self.grid.grid_sizes[2], (8, 4))
eq_(self.seed_pool.seeded_tiles[2],
set([(4, 2), (5, 2), (4, 3), (5, 3), (3, 3)]))
eq_(self.grid.grid_sizes[3], (20, 10))
eq_(len(self.seed_pool.seeded_tiles[3]), 5 * 5 + 2)
def setup(self):
self.grid = TileGrid(SRS(4326), bbox=[-180, -90, 180, 90])
self.source = TiledSource(self.grid, None)
self.tile_mgr = TileManager(self.grid,
MockCache(), [self.source],
"png",
locker=DummyLocker())
self.seed_pool = MockSeedPool()