def test_tile_to_meters_one(self):
ellip = EllipsoidalMercator()
z = x = y = 0
mx, my = ellip.tile_to_meters(z, x, y)
mx = ellip.truncate(mx)
my = ellip.truncate(my)
assert float(mx) == -20037508.34 and \
float(my) == -20037508.34
def test_tile_to_lat_lon_five(self):
# AGC
z = 17
x = 37448
y = 80770
lat, lon = EllipsoidalMercator.tile_to_lat_lon(z, x, y)
assert lat == 38.74009055509699 and \
lon == -77.14599609375
def test_tile_to_lat_lon_four(self):
# Visually verified to show an
# Antarctic tile
z = 7
x = 114
y = 31
lat, lon = EllipsoidalMercator.tile_to_lat_lon(z, x, y)
assert lat == -67.7443134783405 and \
lon == 140.625
def test_tile_to_lat_lon_three(self):
# Visually verified that this tile
# should be near Galva, Illinois
z = 3
x = 2
y = 5
lat, lon = EllipsoidalMercator.tile_to_lat_lon(z, x, y)
assert lat == 41.170427276143315 and \
lon == -90.0
def test_tile_to_lat_lon_two(self):
z = 0
x = y = 1
lat, lon = EllipsoidalMercator.tile_to_lat_lon(z, x, y)
assert lon == 180.0 and \
lat == 85.08405904978349
def test_tile_to_lat_lon_one(self):
z = x = y = 0
lat, lon = EllipsoidalMercator.tile_to_lat_lon(z, x, y)
assert lon == -180.0 and \
lat == -85.08405904978349
