class TestFreeQuadTileStructureEquivalence(unittest.TestCase):
def setUp(self):
self.fts = FreeTileStructure([8, 4, 2, 1], tile_size=0.125)
self.qts = QuadTileStructure(max_zoom=3)
def test_children(self):
tc = TileCoord(2, 2, 3)
self.assertEqual(sorted(self.fts.children(tc)), sorted(self.qts.children(tc)))
def test_children_root(self):
tc = TileCoord(0, 0, 0)
self.assertEqual(sorted(self.fts.children(tc)), sorted(self.qts.children(tc)))
def test_extent(self):
for z in xrange(0, 4):
for x in xrange(0, 1 << z):
for y in xrange(0, 1 << z):
tilecoord = TileCoord(z, x, y)
self.assertEqual(self.fts.extent(tilecoord), self.qts.extent(tilecoord))
def test_parent(self):
tc = TileCoord(3, 3, 5)
self.assertEqual(self.fts.parent(tc), self.qts.parent(tc))
def test_roots(self):
self.assertEqual(list(self.fts.roots()), list(self.qts.roots()))
class TestQuadTileStructure(unittest.TestCase):
def setUp(self):
self.qts = QuadTileStructure(max_extent=(0.0, 1.0, 2.0, 3.0))
def test_children(self):
self.assertEqual(sorted(self.qts.children(TileCoord(1, 2, 3))), [TileCoord(2, 4, 6), TileCoord(2, 4, 7), TileCoord(2, 5, 6), TileCoord(2, 5, 7)])
def test_children_root(self):
self.assertEqual(sorted(self.qts.children(TileCoord(0, 0, 0))), [TileCoord(1, 0, 0), TileCoord(1, 0, 1), TileCoord(1, 1, 0), TileCoord(1, 1, 1)])
def test_extent_z0(self):
self.assertEqual(self.qts.extent(TileCoord(0, 0, 0)), (0.0, 1.0, 2.0, 3.0))
def test_extent_z1(self):
self.assertEqual(self.qts.extent(TileCoord(1, 0, 0)), (0.0, 1.0, 1.0, 2.0))
self.assertEqual(self.qts.extent(TileCoord(1, 0, 1)), (0.0, 2.0, 1.0, 3.0))
self.assertEqual(self.qts.extent(TileCoord(1, 1, 0)), (1.0, 1.0, 2.0, 2.0))
self.assertEqual(self.qts.extent(TileCoord(1, 1, 1)), (1.0, 2.0, 2.0, 3.0))
def test_extent_z2(self):
self.assertEqual(self.qts.extent(TileCoord(2, 0, 0)), (0.0, 1.0, 0.5, 1.5))
self.assertEqual(self.qts.extent(TileCoord(2, 1, 1)), (0.5, 1.5, 1.0, 2.0))
self.assertEqual(self.qts.extent(TileCoord(2, 2, 2)), (1.0, 2.0, 1.5, 2.5))
self.assertEqual(self.qts.extent(TileCoord(2, 3, 3)), (1.5, 2.5, 2.0, 3.0))
def test_parent(self):
self.assertEqual(self.qts.parent(TileCoord(5, 11, 21)), TileCoord(4, 5, 10))
def test_parent_root(self):
self.assertEqual(self.qts.parent(TileCoord(0, 0, 0)), None)
def test_roots(self):
self.assertEqual(list(self.qts.roots()), [TileCoord(0, 0, 0)])
def test_tilecoord(self):
for z in xrange(0, 4):
for x in xrange(0, 1 << z):
for y in xrange(0, 1 << z):
tilecoord = TileCoord(z, x, y)
minx, miny, maxx, maxy = self.qts.extent(tilecoord)
self.assertEqual(self.qts.tilecoord(z, minx, miny), tilecoord)
