class TestGeomMethods:
def setup_method(self):
self.t1 = Polygon([(0, 0), (1, 0), (1, 1)])
self.t2 = Polygon([(0, 0), (1, 1), (0, 1)])
self.t3 = Polygon([(2, 0), (3, 0), (3, 1)])
self.sq = Polygon([(0, 0), (1, 0), (1, 1), (0, 1)])
self.t4 = Polygon([(0, 0), (3, 0), (3, 3), (0, 2)])
self.t5 = Polygon([(2, 0), (3, 0), (3, 3), (2, 3)])
self.inner_sq = Polygon([(0.25, 0.25), (0.75, 0.25), (0.75, 0.75),
(0.25, 0.75)])
self.nested_squares = Polygon(self.sq.boundary,
[self.inner_sq.boundary])
self.p0 = Point(5, 5)
self.p3d = Point(5, 5, 5)
self.g0 = GeoSeries([
self.t1,
self.t2,
self.sq,
self.inner_sq,
self.nested_squares,
self.p0,
None,
])
self.g1 = GeoSeries([self.t1, self.sq])
self.g2 = GeoSeries([self.sq, self.t1])
self.g3 = GeoSeries([self.t1, self.t2])
self.g3.crs = "epsg:4326"
self.g4 = GeoSeries([self.t2, self.t1])
self.g4.crs = "epsg:4326"
self.g_3d = GeoSeries([self.p0, self.p3d])
self.na = GeoSeries([self.t1, self.t2, Polygon()])
self.na_none = GeoSeries([self.t1, None])
self.a1 = self.g1.copy()
self.a1.index = ["A", "B"]
self.a2 = self.g2.copy()
self.a2.index = ["B", "C"]
self.esb = Point(-73.9847, 40.7484)
self.sol = Point(-74.0446, 40.6893)
self.landmarks = GeoSeries([self.esb, self.sol], crs="epsg:4326")
self.l1 = LineString([(0, 0), (0, 1), (1, 1)])
self.l2 = LineString([(0, 0), (1, 0), (1, 1), (0, 1)])
self.g5 = GeoSeries([self.l1, self.l2])
self.g6 = GeoSeries([self.p0, self.t3])
self.g7 = GeoSeries([self.sq, self.t4])
self.g8 = GeoSeries([self.t1, self.t5])
self.empty = GeoSeries([])
self.all_none = GeoSeries([None, None])
self.empty_poly = Polygon()
# Crossed lines
self.l3 = LineString([(0, 0), (1, 1)])
self.l4 = LineString([(0, 1), (1, 0)])
self.crossed_lines = GeoSeries([self.l3, self.l4])
# Placeholder for testing, will just drop in different geometries
# when needed
self.gdf1 = GeoDataFrame({
"geometry": self.g1,
"col0": [1.0, 2.0],
"col1": ["geo", "pandas"]
})
self.gdf2 = GeoDataFrame({
"geometry": self.g1,
"col3": [4, 5],
"col4": ["rand", "string"]
})
self.gdf3 = GeoDataFrame({
"geometry": self.g3,
"col3": [4, 5],
"col4": ["rand", "string"]
})
def _test_unary_real(self, op, expected, a):
""" Tests for 'area', 'length', 'is_valid', etc. """
fcmp = assert_series_equal
self._test_unary(op, expected, a, fcmp)
def _test_unary_topological(self, op, expected, a):
if isinstance(expected, GeoPandasBase):
fcmp = assert_geoseries_equal
else:
def fcmp(a, b):
assert a.equals(b)
self._test_unary(op, expected, a, fcmp)
def _test_binary_topological(self, op, expected, a, b, *args, **kwargs):
""" Tests for 'intersection', 'union', 'symmetric_difference', etc. """
if isinstance(expected, GeoPandasBase):
fcmp = assert_geoseries_equal
else:
def fcmp(a, b):
assert geom_equals(a, b)
if isinstance(b, GeoPandasBase):
right_df = True
else:
right_df = False
self._binary_op_test(op, expected, a, b, fcmp, True, right_df, *args,
**kwargs)
def _test_binary_real(self, op, expected, a, b, *args, **kwargs):
fcmp = assert_series_equal
self._binary_op_test(op, expected, a, b, fcmp, True, False, *args,
**kwargs)
def _test_binary_operator(self, op, expected, a, b):
"""
The operators only have GeoSeries on the left, but can have
GeoSeries or GeoDataFrame on the right.
If GeoDataFrame is on the left, geometry column is used.
"""
if isinstance(expected, GeoPandasBase):
fcmp = assert_geoseries_equal
else:
def fcmp(a, b):
assert geom_equals(a, b)
if isinstance(b, GeoPandasBase):
right_df = True
else:
right_df = False
self._binary_op_test(op, expected, a, b, fcmp, False, right_df)
def _binary_op_test(self, op, expected, left, right, fcmp, left_df,
right_df, *args, **kwargs):
"""
This is a helper to call a function on GeoSeries and GeoDataFrame
arguments. For example, 'intersection' is a member of both GeoSeries
and GeoDataFrame and can take either GeoSeries or GeoDataFrame inputs.
This function has the ability to test all four combinations of input
types.
Parameters
----------
expected : str
The operation to be tested. e.g., 'intersection'
left: GeoSeries
right: GeoSeries
fcmp: function
Called with the result of the operation and expected. It should
assert if the result is incorrect
left_df: bool
If the left input should also be called with a GeoDataFrame
right_df: bool
Indicates whether the right input should be called with a
GeoDataFrame
"""
def _make_gdf(s):
n = len(s)
col1 = string.ascii_lowercase[:n]
col2 = range(n)
return GeoDataFrame(
{
"geometry": s.values,
"col1": col1,
"col2": col2
},
index=s.index,
crs=s.crs,
)
# Test GeoSeries.op(GeoSeries)
result = getattr(left, op)(right, *args, **kwargs)
fcmp(result, expected)
if left_df:
# Test GeoDataFrame.op(GeoSeries)
gdf_left = _make_gdf(left)
result = getattr(gdf_left, op)(right, *args, **kwargs)
fcmp(result, expected)
if right_df:
# Test GeoSeries.op(GeoDataFrame)
gdf_right = _make_gdf(right)
result = getattr(left, op)(gdf_right, *args, **kwargs)
fcmp(result, expected)
if left_df:
# Test GeoDataFrame.op(GeoDataFrame)
result = getattr(gdf_left, op)(gdf_right, *args, **kwargs)
fcmp(result, expected)
def _test_unary(self, op, expected, a, fcmp):
# GeoSeries, (GeoSeries or geometry)
result = getattr(a, op)
fcmp(result, expected)
# GeoDataFrame, (GeoSeries or geometry)
gdf = self.gdf1.set_geometry(a)
result = getattr(gdf, op)
fcmp(result, expected)
# TODO reenable for all operations once we use pyproj > 2
# def test_crs_warning(self):
# # operations on geometries should warn for different CRS
# no_crs_g3 = self.g3.copy()
# no_crs_g3.crs = None
# with pytest.warns(UserWarning):
# self._test_binary_topological('intersection', self.g3,
# self.g3, no_crs_g3)
def test_intersection(self):
self._test_binary_topological("intersection", self.t1, self.g1,
self.g2)
with pytest.warns(UserWarning, match="The indices .+ different"):
self._test_binary_topological("intersection", self.all_none,
self.g1, self.empty)
def test_union_series(self):
self._test_binary_topological("union", self.sq, self.g1, self.g2)
def test_union_polygon(self):
self._test_binary_topological("union", self.sq, self.g1, self.t2)
def test_symmetric_difference_series(self):
self._test_binary_topological("symmetric_difference", self.sq, self.g3,
self.g4)
def test_symmetric_difference_poly(self):
expected = GeoSeries([GeometryCollection(), self.sq], crs=self.g3.crs)
self._test_binary_topological("symmetric_difference", expected,
self.g3, self.t1)
def test_difference_series(self):
expected = GeoSeries([GeometryCollection(), self.t2])
self._test_binary_topological("difference", expected, self.g1, self.g2)
def test_difference_poly(self):
expected = GeoSeries([self.t1, self.t1])
self._test_binary_topological("difference", expected, self.g1, self.t2)
def test_geo_op_empty_result(self):
l1 = LineString([(0, 0), (1, 1)])
l2 = LineString([(2, 2), (3, 3)])
expected = GeoSeries([GeometryCollection()])
# binary geo resulting in empty geometry
result = GeoSeries([l1]).intersection(l2)
assert_geoseries_equal(result, expected)
# binary geo empty result with right GeoSeries
result = GeoSeries([l1]).intersection(GeoSeries([l2]))
assert_geoseries_equal(result, expected)
# unary geo resulting in emtpy geometry
result = GeoSeries([GeometryCollection()]).convex_hull
assert_geoseries_equal(result, expected)
def test_boundary(self):
l1 = LineString([(0, 0), (1, 0), (1, 1), (0, 0)])
l2 = LineString([(0, 0), (1, 0), (1, 1), (0, 1), (0, 0)])
expected = GeoSeries([l1, l2], index=self.g1.index, crs=self.g1.crs)
self._test_unary_topological("boundary", expected, self.g1)
def test_area(self):
expected = Series(np.array([0.5, 1.0]), index=self.g1.index)
self._test_unary_real("area", expected, self.g1)
expected = Series(np.array([0.5, np.nan]), index=self.na_none.index)
self._test_unary_real("area", expected, self.na_none)
def test_area_crs_warn(self):
with pytest.warns(UserWarning,
match="Geometry is in a geographic CRS"):
self.g4.area
def test_bounds(self):
# Set columns to get the order right
expected = DataFrame(
{
"minx": [0.0, 0.0],
"miny": [0.0, 0.0],
"maxx": [1.0, 1.0],
"maxy": [1.0, 1.0],
},
index=self.g1.index,
columns=["minx", "miny", "maxx", "maxy"],
)
result = self.g1.bounds
assert_frame_equal(expected, result)
gdf = self.gdf1.set_geometry(self.g1)
result = gdf.bounds
assert_frame_equal(expected, result)
def test_bounds_empty(self):
# test bounds of empty GeoSeries
# https://github.com/geopandas/geopandas/issues/1195
s = GeoSeries([])
result = s.bounds
expected = DataFrame(columns=["minx", "miny", "maxx", "maxy"],
index=s.index,
dtype="float64")
assert_frame_equal(result, expected)
def test_unary_union(self):
p1 = self.t1
p2 = Polygon([(2, 0), (3, 0), (3, 1)])
expected = unary_union([p1, p2])
g = GeoSeries([p1, p2])
self._test_unary_topological("unary_union", expected, g)
def test_contains(self):
expected = [True, False, True, False, False, False, False]
assert_array_dtype_equal(expected, self.g0.contains(self.t1))
def test_length(self):
expected = Series(np.array([2 + np.sqrt(2), 4]), index=self.g1.index)
self._test_unary_real("length", expected, self.g1)
expected = Series(np.array([2 + np.sqrt(2), np.nan]),
index=self.na_none.index)
self._test_unary_real("length", expected, self.na_none)
def test_length_crs_warn(self):
with pytest.warns(UserWarning,
match="Geometry is in a geographic CRS"):
self.g4.length
def test_crosses(self):
expected = [False, False, False, False, False, False, False]
assert_array_dtype_equal(expected, self.g0.crosses(self.t1))
expected = [False, True]
assert_array_dtype_equal(expected, self.crossed_lines.crosses(self.l3))
def test_disjoint(self):
expected = [False, False, False, False, False, True, False]
assert_array_dtype_equal(expected, self.g0.disjoint(self.t1))
def test_relate(self):
expected = Series(
[
"212101212",
"212101212",
"212FF1FF2",
"2FFF1FFF2",
"FF2F112F2",
"FF0FFF212",
None,
],
index=self.g0.index,
)
assert_array_dtype_equal(expected, self.g0.relate(self.inner_sq))
expected = Series(["FF0FFF212", None], index=self.g6.index)
assert_array_dtype_equal(expected, self.g6.relate(self.na_none))
def test_distance(self):
expected = Series(np.array([np.sqrt((5 - 1)**2 + (5 - 1)**2), np.nan]),
self.na_none.index)
assert_array_dtype_equal(expected, self.na_none.distance(self.p0))
expected = Series(np.array([np.sqrt(4**2 + 4**2), np.nan]),
self.g6.index)
assert_array_dtype_equal(expected, self.g6.distance(self.na_none))
def test_distance_crs_warning(self):
with pytest.warns(UserWarning,
match="Geometry is in a geographic CRS"):
self.g4.distance(self.p0)
def test_intersects(self):
expected = [True, True, True, True, True, False, False]
assert_array_dtype_equal(expected, self.g0.intersects(self.t1))
expected = [True, False]
assert_array_dtype_equal(expected, self.na_none.intersects(self.t2))
expected = np.array([], dtype=bool)
assert_array_dtype_equal(expected, self.empty.intersects(self.t1))
expected = np.array([], dtype=bool)
assert_array_dtype_equal(expected,
self.empty.intersects(self.empty_poly))
expected = [False] * 7
assert_array_dtype_equal(expected, self.g0.intersects(self.empty_poly))
def test_overlaps(self):
expected = [True, True, False, False, False, False, False]
assert_array_dtype_equal(expected, self.g0.overlaps(self.inner_sq))
expected = [False, False]
assert_array_dtype_equal(expected, self.g4.overlaps(self.t1))
def test_touches(self):
expected = [False, True, False, False, False, False, False]
assert_array_dtype_equal(expected, self.g0.touches(self.t1))
def test_within(self):
expected = [True, False, False, False, False, False, False]
assert_array_dtype_equal(expected, self.g0.within(self.t1))
expected = [True, True, True, True, True, False, False]
assert_array_dtype_equal(expected, self.g0.within(self.sq))
def test_covers_itself(self):
# Each polygon in a Series covers itself
res = self.g1.covers(self.g1)
exp = Series([True, True])
assert_series_equal(res, exp)
def test_covers(self):
res = self.g7.covers(self.g8)
exp = Series([True, False])
assert_series_equal(res, exp)
def test_covers_inverse(self):
res = self.g8.covers(self.g7)
exp = Series([False, False])
assert_series_equal(res, exp)
@pytest.mark.skipif(
not compat.USE_PYGEOS,
reason="covered_by is only implemented for pygeos, not shapely",
)
def test_covered_by(self):
res = self.g1.covered_by(self.g1)
exp = Series([True, True])
assert_series_equal(res, exp)
def test_is_valid(self):
expected = Series(np.array([True] * len(self.g1)), self.g1.index)
self._test_unary_real("is_valid", expected, self.g1)
def test_is_empty(self):
expected = Series(np.array([False] * len(self.g1)), self.g1.index)
self._test_unary_real("is_empty", expected, self.g1)
def test_is_ring(self):
expected = Series(np.array([True] * len(self.g1)), self.g1.index)
self._test_unary_real("is_ring", expected, self.g1)
def test_is_simple(self):
expected = Series(np.array([True] * len(self.g1)), self.g1.index)
self._test_unary_real("is_simple", expected, self.g1)
def test_has_z(self):
expected = Series([False, True], self.g_3d.index)
self._test_unary_real("has_z", expected, self.g_3d)
def test_xy_points(self):
expected_x = [-73.9847, -74.0446]
expected_y = [40.7484, 40.6893]
assert_array_dtype_equal(expected_x, self.landmarks.geometry.x)
assert_array_dtype_equal(expected_y, self.landmarks.geometry.y)
def test_xy_polygons(self):
# accessing x attribute in polygon geoseries should raise an error
with pytest.raises(ValueError):
_ = self.gdf1.geometry.x
# and same for accessing y attribute in polygon geoseries
with pytest.raises(ValueError):
_ = self.gdf1.geometry.y
def test_centroid(self):
polygon = Polygon([(-1, -1), (1, -1), (1, 1), (-1, 1)])
point = Point(0, 0)
polygons = GeoSeries([polygon for i in range(3)])
points = GeoSeries([point for i in range(3)])
assert_geoseries_equal(polygons.centroid, points)
def test_centroid_crs_warn(self):
with pytest.warns(UserWarning,
match="Geometry is in a geographic CRS"):
self.g4.centroid
def test_convex_hull(self):
# the convex hull of a square should be the same as the square
squares = GeoSeries([self.sq for i in range(3)])
assert_geoseries_equal(squares, squares.convex_hull)
def test_exterior(self):
exp_exterior = GeoSeries([LinearRing(p.boundary) for p in self.g3])
for expected, computed in zip(exp_exterior, self.g3.exterior):
assert computed.equals(expected)
def test_interiors(self):
original = GeoSeries([self.t1, self.nested_squares])
# This is a polygon with no interior.
expected = []
assert original.interiors[0] == expected
# This is a polygon with an interior.
expected = LinearRing(self.inner_sq.boundary)
assert original.interiors[1][0].equals(expected)
def test_interpolate(self):
expected = GeoSeries([Point(0.5, 1.0), Point(0.75, 1.0)])
self._test_binary_topological("interpolate",
expected,
self.g5,
0.75,
normalized=True)
expected = GeoSeries([Point(0.5, 1.0), Point(1.0, 0.5)])
self._test_binary_topological("interpolate", expected, self.g5, 1.5)
def test_interpolate_distance_array(self):
expected = GeoSeries([Point(0.0, 0.75), Point(1.0, 0.5)])
self._test_binary_topological("interpolate", expected, self.g5,
np.array([0.75, 1.5]))
expected = GeoSeries([Point(0.5, 1.0), Point(0.0, 1.0)])
self._test_binary_topological("interpolate",
expected,
self.g5,
np.array([0.75, 1.5]),
normalized=True)
def test_interpolate_distance_wrong_length(self):
distances = np.array([1, 2, 3])
with pytest.raises(ValueError):
self.g5.interpolate(distances)
def test_interpolate_distance_wrong_index(self):
distances = Series([1, 2], index=[99, 98])
with pytest.raises(ValueError):
self.g5.interpolate(distances)
def test_interpolate_crs_warning(self):
g5_crs = self.g5.copy()
g5_crs.crs = 4326
with pytest.warns(UserWarning,
match="Geometry is in a geographic CRS"):
g5_crs.interpolate(1)
def test_project(self):
expected = Series([2.0, 1.5], index=self.g5.index)
p = Point(1.0, 0.5)
self._test_binary_real("project", expected, self.g5, p)
expected = Series([1.0, 0.5], index=self.g5.index)
self._test_binary_real("project",
expected,
self.g5,
p,
normalized=True)
def test_affine_transform(self):
# 45 degree reflection matrix
matrix = [0, 1, 1, 0, 0, 0]
expected = self.g4
res = self.g3.affine_transform(matrix)
assert_geoseries_equal(expected, res)
def test_translate_tuple(self):
trans = self.sol.x - self.esb.x, self.sol.y - self.esb.y
assert self.landmarks.translate(*trans)[0].equals(self.sol)
res = self.gdf1.set_geometry(self.landmarks).translate(*trans)[0]
assert res.equals(self.sol)
def test_rotate(self):
angle = 98
expected = self.g4
o = Point(0, 0)
res = self.g4.rotate(angle, origin=o).rotate(-angle, origin=o)
assert geom_almost_equals(self.g4, res)
res = self.gdf1.set_geometry(self.g4).rotate(angle, origin=Point(0, 0))
assert geom_almost_equals(expected, res.rotate(-angle, origin=o))
def test_scale(self):
expected = self.g4
scale = 2.0, 1.0
inv = tuple(1.0 / i for i in scale)
o = Point(0, 0)
res = self.g4.scale(*scale, origin=o).scale(*inv, origin=o)
assert geom_almost_equals(expected, res)
res = self.gdf1.set_geometry(self.g4).scale(*scale, origin=o)
res = res.scale(*inv, origin=o)
assert geom_almost_equals(expected, res)
def test_skew(self):
expected = self.g4
skew = 45.0
o = Point(0, 0)
# Test xs
res = self.g4.skew(xs=skew, origin=o).skew(xs=-skew, origin=o)
assert geom_almost_equals(expected, res)
res = self.gdf1.set_geometry(self.g4).skew(xs=skew, origin=o)
res = res.skew(xs=-skew, origin=o)
assert geom_almost_equals(expected, res)
# Test ys
res = self.g4.skew(ys=skew, origin=o).skew(ys=-skew, origin=o)
assert geom_almost_equals(expected, res)
res = self.gdf1.set_geometry(self.g4).skew(ys=skew, origin=o)
res = res.skew(ys=-skew, origin=o)
assert geom_almost_equals(expected, res)
def test_buffer(self):
original = GeoSeries([Point(0, 0)])
expected = GeoSeries(
[Polygon(((5, 0), (0, -5), (-5, 0), (0, 5), (5, 0)))])
calculated = original.buffer(5, resolution=1)
assert geom_almost_equals(expected, calculated)
def test_buffer_args(self):
args = dict(cap_style=3, join_style=2, mitre_limit=2.5)
calculated_series = self.g0.buffer(10, **args)
for original, calculated in zip(self.g0, calculated_series):
if original is None:
assert calculated is None
else:
expected = original.buffer(10, **args)
assert calculated.equals(expected)
def test_buffer_distance_array(self):
original = GeoSeries([self.p0, self.p0])
expected = GeoSeries([
Polygon(((6, 5), (5, 4), (4, 5), (5, 6), (6, 5))),
Polygon(((10, 5), (5, 0), (0, 5), (5, 10), (10, 5))),
])
calculated = original.buffer(np.array([1, 5]), resolution=1)
assert_geoseries_equal(calculated, expected, check_less_precise=True)
def test_buffer_distance_wrong_length(self):
original = GeoSeries([self.p0, self.p0])
distances = np.array([1, 2, 3])
with pytest.raises(ValueError):
original.buffer(distances)
def test_buffer_distance_wrong_index(self):
original = GeoSeries([self.p0, self.p0], index=[0, 1])
distances = Series(data=[1, 2], index=[99, 98])
with pytest.raises(ValueError):
original.buffer(distances)
def test_buffer_empty_none(self):
p = Polygon([(0, 0), (0, 1), (1, 1), (1, 0)])
s = GeoSeries([p, GeometryCollection(), None])
result = s.buffer(0)
assert_geoseries_equal(result, s)
result = s.buffer(np.array([0, 0, 0]))
assert_geoseries_equal(result, s)
def test_buffer_crs_warn(self):
with pytest.warns(UserWarning,
match="Geometry is in a geographic CRS"):
self.g4.buffer(1)
with pytest.warns(None) as record:
# do not warn for 0
self.g4.buffer(0)
for r in record:
assert "Geometry is in a geographic CRS." not in str(r.message)
def test_envelope(self):
e = self.g3.envelope
assert np.all(e.geom_equals(self.sq))
assert isinstance(e, GeoSeries)
assert self.g3.crs == e.crs
def test_total_bounds(self):
bbox = self.sol.x, self.sol.y, self.esb.x, self.esb.y
assert isinstance(self.landmarks.total_bounds, np.ndarray)
assert tuple(self.landmarks.total_bounds) == bbox
df = GeoDataFrame({
"geometry": self.landmarks,
"col1": range(len(self.landmarks))
})
assert tuple(df.total_bounds) == bbox
def test_explode_geoseries(self):
s = GeoSeries(
[
MultiPoint([(0, 0), (1, 1)]),
MultiPoint([(2, 2), (3, 3), (4, 4)])
],
crs=4326,
)
s.index.name = "test_index_name"
expected_index_name = ["test_index_name", None]
index = [(0, 0), (0, 1), (1, 0), (1, 1), (1, 2)]
expected = GeoSeries(
[Point(0, 0),
Point(1, 1),
Point(2, 2),
Point(3, 3),
Point(4, 4)],
index=MultiIndex.from_tuples(index, names=expected_index_name),
crs=4326,
)
assert_geoseries_equal(expected, s.explode())
@pytest.mark.parametrize("index_name", [None, "test"])
def test_explode_geodataframe(self, index_name):
s = GeoSeries([MultiPoint([Point(1, 2), Point(2, 3)]), Point(5, 5)])
df = GeoDataFrame({"col": [1, 2], "geometry": s})
df.index.name = index_name
test_df = df.explode()
expected_s = GeoSeries([Point(1, 2), Point(2, 3), Point(5, 5)])
expected_df = GeoDataFrame({"col": [1, 1, 2], "geometry": expected_s})
expected_index = MultiIndex(
[[0, 1], [0, 1]], # levels
[[0, 0, 1], [0, 1, 0]], # labels/codes
names=[index_name, None],
)
expected_df = expected_df.set_index(expected_index)
assert_frame_equal(test_df, expected_df)
@pytest.mark.parametrize("index_name", [None, "test"])
def test_explode_geodataframe_level_1(self, index_name):
# GH1393
s = GeoSeries([MultiPoint([Point(1, 2), Point(2, 3)]), Point(5, 5)])
df = GeoDataFrame({"level_1": [1, 2], "geometry": s})
df.index.name = index_name
test_df = df.explode()
expected_s = GeoSeries([Point(1, 2), Point(2, 3), Point(5, 5)])
expected_df = GeoDataFrame({
"level_1": [1, 1, 2],
"geometry": expected_s
})
expected_index = MultiIndex(
[[0, 1], [0, 1]], # levels
[[0, 0, 1], [0, 1, 0]], # labels/codes
names=[index_name, None],
)
expected_df = expected_df.set_index(expected_index)
assert_frame_equal(test_df, expected_df)
@pytest.mark.skipif(
not compat.PANDAS_GE_025,
reason="pandas explode introduced in pandas 0.25",
)
def test_explode_pandas_fallback(self):
d = {
"col1": [["name1", "name2"], ["name3", "name4"]],
"geometry": [
MultiPoint([(1, 2), (3, 4)]),
MultiPoint([(2, 1), (0, 0)]),
],
}
gdf = GeoDataFrame(d, crs=4326)
expected_df = GeoDataFrame(
{
"col1": ["name1", "name2", "name3", "name4"],
"geometry": [
MultiPoint([(1, 2), (3, 4)]),
MultiPoint([(1, 2), (3, 4)]),
MultiPoint([(2, 1), (0, 0)]),
MultiPoint([(2, 1), (0, 0)]),
],
},
index=[0, 0, 1, 1],
crs=4326,
)
# Test with column provided as arg
exploded_df = gdf.explode("col1")
assert_geodataframe_equal(exploded_df, expected_df)
# Test with column provided as kwarg
exploded_df = gdf.explode(column="col1")
assert_geodataframe_equal(exploded_df, expected_df)
@pytest.mark.skipif(
not compat.PANDAS_GE_11,
reason="ignore_index keyword introduced in pandas 1.1.0",
)
def test_explode_pandas_fallback_ignore_index(self):
d = {
"col1": [["name1", "name2"], ["name3", "name4"]],
"geometry": [
MultiPoint([(1, 2), (3, 4)]),
MultiPoint([(2, 1), (0, 0)]),
],
}
gdf = GeoDataFrame(d, crs=4326)
expected_df = GeoDataFrame(
{
"col1": ["name1", "name2", "name3", "name4"],
"geometry": [
MultiPoint([(1, 2), (3, 4)]),
MultiPoint([(1, 2), (3, 4)]),
MultiPoint([(2, 1), (0, 0)]),
MultiPoint([(2, 1), (0, 0)]),
],
},
crs=4326,
)
# Test with column provided as arg
exploded_df = gdf.explode("col1", ignore_index=True)
assert_geodataframe_equal(exploded_df, expected_df)
# Test with column provided as kwarg
exploded_df = gdf.explode(column="col1", ignore_index=True)
assert_geodataframe_equal(exploded_df, expected_df)
#
# Test '&', '|', '^', and '-'
#
def test_intersection_operator(self):
with pytest.warns(DeprecationWarning):
self._test_binary_operator("__and__", self.t1, self.g1, self.g2)
with pytest.warns(DeprecationWarning):
self._test_binary_operator("__and__", self.t1, self.gdf1, self.g2)
def test_union_operator(self):
with pytest.warns(DeprecationWarning):
self._test_binary_operator("__or__", self.sq, self.g1, self.g2)
with pytest.warns(DeprecationWarning):
self._test_binary_operator("__or__", self.sq, self.gdf1, self.g2)
def test_union_operator_polygon(self):
with pytest.warns(DeprecationWarning):
self._test_binary_operator("__or__", self.sq, self.g1, self.t2)
with pytest.warns(DeprecationWarning):
self._test_binary_operator("__or__", self.sq, self.gdf1, self.t2)
def test_symmetric_difference_operator(self):
with pytest.warns(DeprecationWarning):
self._test_binary_operator("__xor__", self.sq, self.g3, self.g4)
with pytest.warns(DeprecationWarning):
self._test_binary_operator("__xor__", self.sq, self.gdf3, self.g4)
def test_difference_series2(self):
expected = GeoSeries([GeometryCollection(), self.t2])
with pytest.warns(DeprecationWarning):
self._test_binary_operator("__sub__", expected, self.g1, self.g2)
with pytest.warns(DeprecationWarning):
self._test_binary_operator("__sub__", expected, self.gdf1, self.g2)
def test_difference_poly2(self):
expected = GeoSeries([self.t1, self.t1])
with pytest.warns(DeprecationWarning):
self._test_binary_operator("__sub__", expected, self.g1, self.t2)
with pytest.warns(DeprecationWarning):
self._test_binary_operator("__sub__", expected, self.gdf1, self.t2)
class TestGeomMethods:
def setup_method(self):
self.t1 = Polygon([(0, 0), (1, 0), (1, 1)])
self.t2 = Polygon([(0, 0), (1, 1), (0, 1)])
self.t3 = Polygon([(2, 0), (3, 0), (3, 1)])
self.sq = Polygon([(0, 0), (1, 0), (1, 1), (0, 1)])
self.inner_sq = Polygon([(0.25, 0.25), (0.75, 0.25), (0.75, 0.75),
(0.25, 0.75)])
self.nested_squares = Polygon(self.sq.boundary,
[self.inner_sq.boundary])
self.p0 = Point(5, 5)
self.p3d = Point(5, 5, 5)
self.g0 = GeoSeries([
self.t1, self.t2, self.sq, self.inner_sq, self.nested_squares,
self.p0
])
self.g1 = GeoSeries([self.t1, self.sq])
self.g2 = GeoSeries([self.sq, self.t1])
self.g3 = GeoSeries([self.t1, self.t2])
self.g3.crs = {'init': 'epsg:4326', 'no_defs': True}
self.g4 = GeoSeries([self.t2, self.t1])
self.g4.crs = {'init': 'epsg:4326', 'no_defs': True}
self.g_3d = GeoSeries([self.p0, self.p3d])
self.na = GeoSeries([self.t1, self.t2, Polygon()])
self.na_none = GeoSeries([self.t1, None])
self.a1 = self.g1.copy()
self.a1.index = ['A', 'B']
self.a2 = self.g2.copy()
self.a2.index = ['B', 'C']
self.esb = Point(-73.9847, 40.7484)
self.sol = Point(-74.0446, 40.6893)
self.landmarks = GeoSeries([self.esb, self.sol],
crs={
'init': 'epsg:4326',
'no_defs': True
})
self.l1 = LineString([(0, 0), (0, 1), (1, 1)])
self.l2 = LineString([(0, 0), (1, 0), (1, 1), (0, 1)])
self.g5 = GeoSeries([self.l1, self.l2])
self.g6 = GeoSeries([self.p0, self.t3])
self.empty = GeoSeries([])
self.empty_poly = Polygon()
# Crossed lines
self.l3 = LineString([(0, 0), (1, 1)])
self.l4 = LineString([(0, 1), (1, 0)])
self.crossed_lines = GeoSeries([self.l3, self.l4])
# Placeholder for testing, will just drop in different geometries
# when needed
self.gdf1 = GeoDataFrame({
'geometry': self.g1,
'col0': [1.0, 2.0],
'col1': ['geo', 'pandas']
})
self.gdf2 = GeoDataFrame({
'geometry': self.g1,
'col3': [4, 5],
'col4': ['rand', 'string']
})
def _test_unary_real(self, op, expected, a):
""" Tests for 'area', 'length', 'is_valid', etc. """
fcmp = assert_series_equal
self._test_unary(op, expected, a, fcmp)
def _test_unary_topological(self, op, expected, a):
if isinstance(expected, GeoPandasBase):
fcmp = assert_geoseries_equal
else:
def fcmp(a, b):
assert a.equals(b)
self._test_unary(op, expected, a, fcmp)
def _test_binary_topological(self, op, expected, a, b, *args, **kwargs):
""" Tests for 'intersection', 'union', 'symmetric_difference', etc. """
if isinstance(expected, GeoPandasBase):
fcmp = assert_geoseries_equal
else:
def fcmp(a, b):
assert geom_equals(a, b)
if isinstance(b, GeoPandasBase):
right_df = True
else:
right_df = False
self._binary_op_test(op, expected, a, b, fcmp, True, right_df, *args,
**kwargs)
def _test_binary_real(self, op, expected, a, b, *args, **kwargs):
fcmp = assert_series_equal
self._binary_op_test(op, expected, a, b, fcmp, True, False, *args,
**kwargs)
def _test_binary_operator(self, op, expected, a, b):
"""
The operators only have GeoSeries on the left, but can have
GeoSeries or GeoDataFrame on the right.
"""
if isinstance(expected, GeoPandasBase):
fcmp = assert_geoseries_equal
else:
def fcmp(a, b):
assert geom_equals(a, b)
if isinstance(b, GeoPandasBase):
right_df = True
else:
right_df = False
self._binary_op_test(op, expected, a, b, fcmp, False, right_df)
def _binary_op_test(self, op, expected, left, right, fcmp, left_df,
right_df, *args, **kwargs):
"""
This is a helper to call a function on GeoSeries and GeoDataFrame
arguments. For example, 'intersection' is a member of both GeoSeries
and GeoDataFrame and can take either GeoSeries or GeoDataFrame inputs.
This function has the ability to test all four combinations of input
types.
Parameters
----------
expected : str
The operation to be tested. e.g., 'intersection'
left: GeoSeries
right: GeoSeries
fcmp: function
Called with the result of the operation and expected. It should
assert if the result is incorrect
left_df: bool
If the left input should also be called with a GeoDataFrame
right_df: bool
Indicates whether the right input should be called with a
GeoDataFrame
"""
def _make_gdf(s):
n = len(s)
col1 = string.ascii_lowercase[:n]
col2 = range(n)
return GeoDataFrame(
{
'geometry': s.values,
'col1': col1,
'col2': col2
},
index=s.index,
crs=s.crs)
# Test GeoSeries.op(GeoSeries)
result = getattr(left, op)(right, *args, **kwargs)
fcmp(result, expected)
if left_df:
# Test GeoDataFrame.op(GeoSeries)
gdf_left = _make_gdf(left)
result = getattr(gdf_left, op)(right, *args, **kwargs)
fcmp(result, expected)
if right_df:
# Test GeoSeries.op(GeoDataFrame)
gdf_right = _make_gdf(right)
result = getattr(left, op)(gdf_right, *args, **kwargs)
fcmp(result, expected)
if left_df:
# Test GeoDataFrame.op(GeoDataFrame)
result = getattr(gdf_left, op)(gdf_right, *args, **kwargs)
fcmp(result, expected)
def _test_unary(self, op, expected, a, fcmp):
# GeoSeries, (GeoSeries or geometry)
result = getattr(a, op)
fcmp(result, expected)
# GeoDataFrame, (GeoSeries or geometry)
gdf = self.gdf1.set_geometry(a)
result = getattr(gdf, op)
fcmp(result, expected)
# TODO reenable for all operations once we use pyproj > 2
# def test_crs_warning(self):
# # operations on geometries should warn for different CRS
# no_crs_g3 = self.g3.copy()
# no_crs_g3.crs = None
# with pytest.warns(UserWarning):
# self._test_binary_topological('intersection', self.g3,
# self.g3, no_crs_g3)
def test_intersection(self):
self._test_binary_topological('intersection', self.t1, self.g1,
self.g2)
self._test_binary_topological('intersection', self.empty_poly, self.g1,
self.empty)
def test_union_series(self):
self._test_binary_topological('union', self.sq, self.g1, self.g2)
def test_union_polygon(self):
self._test_binary_topological('union', self.sq, self.g1, self.t2)
def test_symmetric_difference_series(self):
self._test_binary_topological('symmetric_difference', self.sq, self.g3,
self.g4)
def test_symmetric_difference_poly(self):
expected = GeoSeries([GeometryCollection(), self.sq], crs=self.g3.crs)
self._test_binary_topological('symmetric_difference', expected,
self.g3, self.t1)
def test_difference_series(self):
expected = GeoSeries([GeometryCollection(), self.t2])
self._test_binary_topological('difference', expected, self.g1, self.g2)
def test_difference_poly(self):
expected = GeoSeries([self.t1, self.t1])
self._test_binary_topological('difference', expected, self.g1, self.t2)
def test_geo_op_empty_result(self):
l1 = LineString([(0, 0), (1, 1)])
l2 = LineString([(2, 2), (3, 3)])
expected = GeoSeries([GeometryCollection()])
# binary geo resulting in empty geometry
result = GeoSeries([l1]).intersection(l2)
assert_geoseries_equal(result, expected)
# binary geo empty result with right GeoSeries
result = GeoSeries([l1]).intersection(GeoSeries([l2]))
assert_geoseries_equal(result, expected)
# unary geo resulting in emtpy geometry
result = GeoSeries([GeometryCollection()]).convex_hull
assert_geoseries_equal(result, expected)
def test_boundary(self):
l1 = LineString([(0, 0), (1, 0), (1, 1), (0, 0)])
l2 = LineString([(0, 0), (1, 0), (1, 1), (0, 1), (0, 0)])
expected = GeoSeries([l1, l2], index=self.g1.index, crs=self.g1.crs)
self._test_unary_topological('boundary', expected, self.g1)
def test_area(self):
expected = Series(np.array([0.5, 1.0]), index=self.g1.index)
self._test_unary_real('area', expected, self.g1)
expected = Series(np.array([0.5, np.nan]), index=self.na_none.index)
self._test_unary_real('area', expected, self.na_none)
def test_bounds(self):
# Set columns to get the order right
expected = DataFrame(
{
'minx': [0.0, 0.0],
'miny': [0.0, 0.0],
'maxx': [1.0, 1.0],
'maxy': [1.0, 1.0]
},
index=self.g1.index,
columns=['minx', 'miny', 'maxx', 'maxy'])
result = self.g1.bounds
assert_frame_equal(expected, result)
gdf = self.gdf1.set_geometry(self.g1)
result = gdf.bounds
assert_frame_equal(expected, result)
def test_unary_union(self):
p1 = self.t1
p2 = Polygon([(2, 0), (3, 0), (3, 1)])
expected = unary_union([p1, p2])
g = GeoSeries([p1, p2])
self._test_unary_topological('unary_union', expected, g)
def test_contains(self):
expected = [True, False, True, False, False, False]
assert_array_dtype_equal(expected, self.g0.contains(self.t1))
def test_length(self):
expected = Series(np.array([2 + np.sqrt(2), 4]), index=self.g1.index)
self._test_unary_real('length', expected, self.g1)
expected = Series(np.array([2 + np.sqrt(2), np.nan]),
index=self.na_none.index)
self._test_unary_real('length', expected, self.na_none)
def test_crosses(self):
expected = [False, False, False, False, False, False]
assert_array_dtype_equal(expected, self.g0.crosses(self.t1))
expected = [False, True]
assert_array_dtype_equal(expected, self.crossed_lines.crosses(self.l3))
def test_disjoint(self):
expected = [False, False, False, False, False, True]
assert_array_dtype_equal(expected, self.g0.disjoint(self.t1))
def test_relate(self):
expected = Series([
'212101212', '212101212', '212FF1FF2', '2FFF1FFF2', 'FF2F112F2',
'FF0FFF212'
],
index=self.g0.index)
assert_array_dtype_equal(expected, self.g0.relate(self.inner_sq))
expected = Series(['FF0FFF212', None], index=self.g6.index)
assert_array_dtype_equal(expected, self.g6.relate(self.na_none))
def test_distance(self):
expected = Series(np.array([np.sqrt((5 - 1)**2 + (5 - 1)**2), np.nan]),
self.na_none.index)
assert_array_dtype_equal(expected, self.na_none.distance(self.p0))
expected = Series(np.array([np.sqrt(4**2 + 4**2), np.nan]),
self.g6.index)
assert_array_dtype_equal(expected, self.g6.distance(self.na_none))
def test_intersects(self):
expected = [True, True, True, True, True, False]
assert_array_dtype_equal(expected, self.g0.intersects(self.t1))
expected = [True, False]
assert_array_dtype_equal(expected, self.na_none.intersects(self.t2))
expected = np.array([], dtype=bool)
assert_array_dtype_equal(expected, self.empty.intersects(self.t1))
expected = np.array([], dtype=bool)
assert_array_dtype_equal(expected,
self.empty.intersects(self.empty_poly))
expected = [False] * 6
assert_array_dtype_equal(expected, self.g0.intersects(self.empty_poly))
def test_overlaps(self):
expected = [True, True, False, False, False, False]
assert_array_dtype_equal(expected, self.g0.overlaps(self.inner_sq))
expected = [False, False]
assert_array_dtype_equal(expected, self.g4.overlaps(self.t1))
def test_touches(self):
expected = [False, True, False, False, False, False]
assert_array_dtype_equal(expected, self.g0.touches(self.t1))
def test_within(self):
expected = [True, False, False, False, False, False]
assert_array_dtype_equal(expected, self.g0.within(self.t1))
expected = [True, True, True, True, True, False]
assert_array_dtype_equal(expected, self.g0.within(self.sq))
def test_is_valid(self):
expected = Series(np.array([True] * len(self.g1)), self.g1.index)
self._test_unary_real('is_valid', expected, self.g1)
def test_is_empty(self):
expected = Series(np.array([False] * len(self.g1)), self.g1.index)
self._test_unary_real('is_empty', expected, self.g1)
def test_is_ring(self):
expected = Series(np.array([True] * len(self.g1)), self.g1.index)
self._test_unary_real('is_ring', expected, self.g1)
def test_is_simple(self):
expected = Series(np.array([True] * len(self.g1)), self.g1.index)
self._test_unary_real('is_simple', expected, self.g1)
def test_has_z(self):
expected = Series([False, True], self.g_3d.index)
self._test_unary_real('has_z', expected, self.g_3d)
def test_xy_points(self):
expected_x = [-73.9847, -74.0446]
expected_y = [40.7484, 40.6893]
assert_array_dtype_equal(expected_x, self.landmarks.geometry.x)
assert_array_dtype_equal(expected_y, self.landmarks.geometry.y)
def test_xy_polygons(self):
# accessing x attribute in polygon geoseries should raise an error
with pytest.raises(ValueError):
_ = self.gdf1.geometry.x
# and same for accessing y attribute in polygon geoseries
with pytest.raises(ValueError):
_ = self.gdf1.geometry.y
def test_centroid(self):
polygon = Polygon([(-1, -1), (1, -1), (1, 1), (-1, 1)])
point = Point(0, 0)
polygons = GeoSeries([polygon for i in range(3)])
points = GeoSeries([point for i in range(3)])
assert_geoseries_equal(polygons.centroid, points)
def test_convex_hull(self):
# the convex hull of a square should be the same as the square
squares = GeoSeries([self.sq for i in range(3)])
assert_geoseries_equal(squares, squares.convex_hull)
def test_exterior(self):
exp_exterior = GeoSeries([LinearRing(p.boundary) for p in self.g3])
for expected, computed in zip(exp_exterior, self.g3.exterior):
assert computed.equals(expected)
def test_interiors(self):
original = GeoSeries([self.t1, self.nested_squares])
# This is a polygon with no interior.
expected = []
assert original.interiors[0] == expected
# This is a polygon with an interior.
expected = LinearRing(self.inner_sq.boundary)
assert original.interiors[1][0].equals(expected)
def test_interpolate(self):
expected = GeoSeries([Point(0.5, 1.0), Point(0.75, 1.0)])
self._test_binary_topological('interpolate',
expected,
self.g5,
0.75,
normalized=True)
expected = GeoSeries([Point(0.5, 1.0), Point(1.0, 0.5)])
self._test_binary_topological('interpolate', expected, self.g5, 1.5)
def test_interpolate_distance_array(self):
expected = GeoSeries([Point(0.0, 0.75), Point(1.0, 0.5)])
self._test_binary_topological('interpolate', expected, self.g5,
np.array([0.75, 1.5]))
expected = GeoSeries([Point(0.5, 1.0), Point(0.0, 1.0)])
self._test_binary_topological('interpolate',
expected,
self.g5,
np.array([0.75, 1.5]),
normalized=True)
def test_interpolate_distance_wrong_length(self):
distances = np.array([1, 2, 3])
with pytest.raises(ValueError):
self.g5.interpolate(distances)
def test_interpolate_distance_wrong_index(self):
distances = Series([1, 2], index=[99, 98])
with pytest.raises(ValueError):
self.g5.interpolate(distances)
def test_project(self):
expected = Series([2.0, 1.5], index=self.g5.index)
p = Point(1.0, 0.5)
self._test_binary_real('project', expected, self.g5, p)
expected = Series([1.0, 0.5], index=self.g5.index)
self._test_binary_real('project',
expected,
self.g5,
p,
normalized=True)
def test_affine_transform(self):
#45 degree reflection matrix
matrix = [0, 1, 1, 0, 0, 0]
expected = self.g4
res = self.g3.affine_transform(matrix)
assert_geoseries_equal(expected, res)
def test_translate_tuple(self):
trans = self.sol.x - self.esb.x, self.sol.y - self.esb.y
assert self.landmarks.translate(*trans)[0].equals(self.sol)
res = self.gdf1.set_geometry(self.landmarks).translate(*trans)[0]
assert res.equals(self.sol)
def test_rotate(self):
angle = 98
expected = self.g4
o = Point(0, 0)
res = self.g4.rotate(angle, origin=o).rotate(-angle, origin=o)
assert geom_almost_equals(self.g4, res)
res = self.gdf1.set_geometry(self.g4).rotate(angle, origin=Point(0, 0))
assert geom_almost_equals(expected, res.rotate(-angle, origin=o))
def test_scale(self):
expected = self.g4
scale = 2., 1.
inv = tuple(1. / i for i in scale)
o = Point(0, 0)
res = self.g4.scale(*scale, origin=o).scale(*inv, origin=o)
assert geom_almost_equals(expected, res)
res = self.gdf1.set_geometry(self.g4).scale(*scale, origin=o)
res = res.scale(*inv, origin=o)
assert geom_almost_equals(expected, res)
def test_skew(self):
expected = self.g4
skew = 45.
o = Point(0, 0)
# Test xs
res = self.g4.skew(xs=skew, origin=o).skew(xs=-skew, origin=o)
assert geom_almost_equals(expected, res)
res = self.gdf1.set_geometry(self.g4).skew(xs=skew, origin=o)
res = res.skew(xs=-skew, origin=o)
assert geom_almost_equals(expected, res)
# Test ys
res = self.g4.skew(ys=skew, origin=o).skew(ys=-skew, origin=o)
assert geom_almost_equals(expected, res)
res = self.gdf1.set_geometry(self.g4).skew(ys=skew, origin=o)
res = res.skew(ys=-skew, origin=o)
assert geom_almost_equals(expected, res)
def test_buffer(self):
original = GeoSeries([Point(0, 0)])
expected = GeoSeries(
[Polygon(((5, 0), (0, -5), (-5, 0), (0, 5), (5, 0)))])
calculated = original.buffer(5, resolution=1)
assert geom_almost_equals(expected, calculated)
def test_buffer_args(self):
args = dict(cap_style=3, join_style=2, mitre_limit=2.5)
calculated_series = self.g0.buffer(10, **args)
for original, calculated in zip(self.g0, calculated_series):
expected = original.buffer(10, **args)
assert calculated.equals(expected)
def test_buffer_distance_array(self):
original = GeoSeries([self.p0, self.p0])
expected = GeoSeries([
Polygon(((6, 5), (5, 4), (4, 5), (5, 6), (6, 5))),
Polygon(((10, 5), (5, 0), (0, 5), (5, 10), (10, 5))),
])
calculated = original.buffer(np.array([1, 5]), resolution=1)
assert_geoseries_equal(calculated, expected, check_less_precise=True)
def test_buffer_distance_wrong_length(self):
original = GeoSeries([self.p0, self.p0])
distances = np.array([1, 2, 3])
with pytest.raises(ValueError):
original.buffer(distances)
def test_buffer_distance_wrong_index(self):
original = GeoSeries([self.p0, self.p0], index=[0, 1])
distances = Series(data=[1, 2], index=[99, 98])
with pytest.raises(ValueError):
original.buffer(distances)
def test_envelope(self):
e = self.g3.envelope
assert np.all(e.geom_equals(self.sq))
assert isinstance(e, GeoSeries)
assert self.g3.crs == e.crs
def test_total_bounds(self):
bbox = self.sol.x, self.sol.y, self.esb.x, self.esb.y
assert isinstance(self.landmarks.total_bounds, np.ndarray)
assert tuple(self.landmarks.total_bounds) == bbox
df = GeoDataFrame({
'geometry': self.landmarks,
'col1': range(len(self.landmarks))
})
assert tuple(df.total_bounds) == bbox
def test_explode_geoseries(self):
s = GeoSeries([
MultiPoint([(0, 0), (1, 1)]),
MultiPoint([(2, 2), (3, 3), (4, 4)])
])
s.index.name = 'test_index_name'
expected_index_name = ['test_index_name', None]
index = [(0, 0), (0, 1), (1, 0), (1, 1), (1, 2)]
expected = GeoSeries(
[Point(0, 0),
Point(1, 1),
Point(2, 2),
Point(3, 3),
Point(4, 4)],
index=MultiIndex.from_tuples(index, names=expected_index_name))
assert_geoseries_equal(expected, s.explode())
@pytest.mark.parametrize("index_name", [None, 'test'])
def test_explode_geodataframe(self, index_name):
s = GeoSeries([MultiPoint([Point(1, 2), Point(2, 3)]), Point(5, 5)])
df = GeoDataFrame({'col': [1, 2], 'geometry': s})
df.index.name = index_name
test_df = df.explode()
expected_s = GeoSeries([Point(1, 2), Point(2, 3), Point(5, 5)])
expected_df = GeoDataFrame({'col': [1, 1, 2], 'geometry': expected_s})
expected_index = MultiIndex(
[[0, 1], [0, 1]], # levels
[[0, 0, 1], [0, 1, 0]], # labels/codes
names=[index_name, None])
expected_df = expected_df.set_index(expected_index)
assert_frame_equal(test_df, expected_df)
#
# Test '&', '|', '^', and '-'
# The left can only be a GeoSeries. The right hand side can be a
# GeoSeries, GeoDataFrame or Shapely geometry
#
def test_intersection_operator(self):
self._test_binary_operator('__and__', self.t1, self.g1, self.g2)
def test_union_operator(self):
self._test_binary_operator('__or__', self.sq, self.g1, self.g2)
def test_union_operator_polygon(self):
self._test_binary_operator('__or__', self.sq, self.g1, self.t2)
def test_symmetric_difference_operator(self):
self._test_binary_operator('__xor__', self.sq, self.g3, self.g4)
def test_difference_series2(self):
expected = GeoSeries([GeometryCollection(), self.t2])
self._test_binary_operator('__sub__', expected, self.g1, self.g2)
def test_difference_poly2(self):
expected = GeoSeries([self.t1, self.t1])
self._test_binary_operator('__sub__', expected, self.g1, self.t2)
