def test_tiles_children(self):
from tilequeue.tile import coord_children
from ModestMaps.Core import Coordinate
coord = Coordinate(0, 0, 0)
children = coord_children(coord)
self.assertEqual(4, len(children))
self.assertEqual(Coordinate(0, 0, 1), children[0])
self.assertEqual(Coordinate(1, 0, 1), children[1])
self.assertEqual(Coordinate(0, 1, 1), children[2])
self.assertEqual(Coordinate(1, 1, 1), children[3])
def test_tiles_children(self):
from tilequeue.tile import coord_children
from ModestMaps.Core import Coordinate
coord = Coordinate(0, 0, 0)
children = coord_children(coord)
self.assertEqual(4, len(children))
self.assertEqual(Coordinate(0, 0, 1), children[0])
self.assertEqual(Coordinate(1, 0, 1), children[1])
self.assertEqual(Coordinate(0, 1, 1), children[2])
self.assertEqual(Coordinate(1, 1, 1), children[3])
def test_tiles_children_range(self):
from tilequeue.tile import coord_children
from tilequeue.tile import coord_children_range
from ModestMaps.Core import Coordinate
coord = Coordinate(3, 4, 2)
actual = list(coord_children_range(coord, 4))
self.assertEqual(20, len(actual))
children = list(coord_children(coord))
grandchildren_list = map(coord_children, children)
from itertools import chain
grandchildren = list(chain(*grandchildren_list))
exp = children + grandchildren
actual.sort()
exp.sort()
for actual_child, exp_child in zip(actual, exp):
self.assertEqual(exp_child, actual_child)
def test_tiles_children_range(self):
from tilequeue.tile import coord_children
from tilequeue.tile import coord_children_range
from ModestMaps.Core import Coordinate
coord = Coordinate(3, 4, 2)
actual = list(coord_children_range(coord, 4))
self.assertEqual(20, len(actual))
children = list(coord_children(coord))
grandchildren_list = map(coord_children, children)
from itertools import chain
grandchildren = list(chain(*grandchildren_list))
exp = children + grandchildren
actual.sort()
exp.sort()
for actual_child, exp_child in zip(actual, exp):
self.assertEqual(exp_child, actual_child)
def test_tiles_children_subrange(self):
from tilequeue.tile import coord_children_subrange as subrange
from tilequeue.tile import coord_children
def _c(z, x, y):
return Coordinate(zoom=z, column=x, row=y)
# for any given coord, the subrange from and until the tile's zoom
# should just return the coord itself.
for coord in (_c(0, 0, 0), _c(1, 1, 1), _c(10, 163, 395)):
z = coord.zoom
self.assertEqual(set([coord]), set(subrange(coord, z, z)))
# when until zoom > coordinate zoom, it should generate the whole
# pyramid.
expect = set([_c(0, 0, 0)])
zoom = 0
while zoom < 5:
self.assertEqual(expect, set(subrange(_c(0, 0, 0), 0, zoom)))
children = []
for c in expect:
children.extend(coord_children(c))
expect |= set(children)
zoom += 1
# when both start and until are >, then should generate a slice of
# the pyramid.
for z in range(0, 5):
max_coord = 2 ** z
all_tiles = set(_c(z, x, y)
for x in range(0, max_coord)
for y in range(0, max_coord))
self.assertEqual(all_tiles, set(subrange(_c(0, 0, 0), z, z)))
# when start > until, then nothing is generated
for z in range(0, 5):
self.assertEqual(set(), set(subrange(_c(0, 0, 0), z+1, z)))