def test_unique(self):
lat = ArrayCoordinates1d([0, 1, 2, 1, 0, 5], name="lat")
lon = ArrayCoordinates1d([10, 20, 20, 20, 10, 60], name="lon")
c = StackedCoordinates([lat, lon])
c2 = c.unique()
assert_equal(c2["lat"].coordinates, [0, 1, 2, 5])
assert_equal(c2["lon"].coordinates, [10, 20, 20, 60])
c2, I = c.unique(return_index=True)
assert_equal(c2["lat"].coordinates, [0, 1, 2, 5])
assert_equal(c2["lon"].coordinates, [10, 20, 20, 60])
assert c[I] == c2
def test_unque_shaped(self):
lat = ArrayCoordinates1d([[0, 1, 2], [1, 0, 5]], name="lat")
lon = ArrayCoordinates1d([[10, 20, 20], [20, 10, 60]], name="lon")
c = StackedCoordinates([lat, lon])
# flattens
c2 = c.unique()
assert_equal(c2["lat"].coordinates, [0, 1, 2, 5])
assert_equal(c2["lon"].coordinates, [10, 20, 20, 60])
c2, I = c.unique(return_index=True)
assert_equal(c2["lat"].coordinates, [0, 1, 2, 5])
assert_equal(c2["lon"].coordinates, [10, 20, 20, 60])
assert c.flatten()[I] == c2
