def test_should_return_zoom_18_for_metatile_bbox(self):
xyz = GeoUtils.get_xyz_from_bbox(109419.6059902292,
5489974.901040357,
109801.7911316548,
5490357.086181782,
metatile=2,
buffer_size=0)
self.assertEqual(xyz['z'], 18)
def test_should_return_tile_20_20_and_zoom_8_with_buffer_0(self):
xyz = GeoUtils.get_xyz_from_bbox(-16906647.66422842,
16750104.63030039,
-16750104.63030039,
16906647.66422842,
buffer_size=0)
self.assertEqual(xyz['z'], 8)
self.assertEqual(xyz['x'], 20)
self.assertEqual(xyz['y'], 20)
def test_should_return_tile_20_20_and_zoom_8_with_buffer_8(self):
xyz = GeoUtils.get_xyz_from_bbox(-16911539.63403868,
16745212.66049013,
-16745212.66049013,
16911539.63403868,
buffer_size=8)
self.assertEqual(xyz['z'], 8)
self.assertEqual(xyz['x'], 20)
self.assertEqual(xyz['y'], 20)
def test_should_return_tile_20_20_and_zoom_8_with_buffer_16(self):
xyz = GeoUtils.get_xyz_from_bbox(-16916431.60384893,
16740320.69067988,
-16740320.69067988,
16916431.60384893,
buffer_size=16)
self.assertEqual(xyz['z'], 8)
self.assertEqual(xyz['x'], 20)
self.assertEqual(xyz['y'], 20)
def test_should_return_tile_20_20_and_zoom_8_with_buffer_32(self):
xyz = GeoUtils.get_xyz_from_bbox(-16926215.54346943,
16730536.75105938,
-16730536.75105938,
16926215.54346943,
buffer_size=32)
self.assertEqual(xyz['z'], 8)
self.assertEqual(xyz['x'], 20)
self.assertEqual(xyz['y'], 20)
def test_should_return_tile_20_20_and_zoom_8_with_buffer_64(self):
xyz = GeoUtils.get_xyz_from_bbox(-16945783.42271044,
16710968.87181837,
-16710968.87181837,
16945783.42271044,
buffer_size=64)
self.assertEqual(xyz['z'], 8)
self.assertEqual(xyz['x'], 20)
self.assertEqual(xyz['y'], 20)
def test_should_return_tile_20_20_and_zoom_8_with_buffer_128(self):
xyz = GeoUtils.get_xyz_from_bbox(-16984919.18119245,
16671833.11333637,
-16671833.11333637,
16984919.18119245,
buffer_size=128)
self.assertEqual(xyz['z'], 8)
self.assertEqual(xyz['x'], 20)
self.assertEqual(xyz['y'], 20)
def test_should_return_tile_20_20_and_zoom_8_with_buffer_256(self):
xyz = GeoUtils.get_xyz_from_bbox(-17063190.69815647,
16593561.59637235,
-16593561.59637235,
17063190.69815647,
buffer_size=256)
self.assertEqual(xyz['z'], 8)
self.assertEqual(xyz['x'], 20)
self.assertEqual(xyz['y'], 20)
def test_should_return_zoom_18_for_tile_bbox(self):
xyz = GeoUtils.get_xyz_from_bbox(109457.824504372,
5490165.99361107,
109610.698560942,
5490318.86766764,
buffer_size=0)
self.assertEqual(xyz['z'], 18)
self.assertEqual(xyz['x'], 131788)
self.assertEqual(xyz['y'], 95158)
def test_should_return_tile_00_and_zoom_2_with_metatile_bbox(self):
xyz = GeoUtils.get_xyz_from_bbox(-20037508.3,
-2504688.542848656,
2504688.542848656,
20037508.3,
metatile=2,
buffer_size=0)
self.assertEqual(xyz['z'], 2)
self.assertEqual(xyz['x'], 0)
self.assertEqual(xyz['y'], 0)
def __xyz_from_bbox(self, coordinates, metatile, buffer_size):
xyz = GeoUtils.get_xyz_from_bbox(float(coordinates[0]),
float(coordinates[1]),
float(coordinates[2]),
float(coordinates[3]),
metatile=metatile,
buffer_size=buffer_size)
if xyz['z'] < 0 or xyz['z'] > 22:
return None
else:
return xyz
def test_should_return_tile_11_for_all_zoom_levels_from_bbox(self):
for zoom, bbox in self.TILE_11_BY_ZOOM_FIXTURE.iteritems():
xyz = GeoUtils.get_xyz_from_bbox(bbox[0],
bbox[1],
bbox[2],
bbox[3],
buffer_size=0)
self.assertEqual(xyz['z'], zoom,
"Bad zoom level for {}".format(zoom))
self.assertEqual(xyz['x'], 1,
"Bad x value for {} zoom level".format(zoom))
self.assertEqual(xyz['y'], 1,
"Bad y value for {} zoom level".format(zoom))