# Copyright 2024 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import annotations
from typing import Optional
import bigframes_vendored.constants as constants
import bigframes_vendored.geopandas.geoseries as vendored_geoseries
import geopandas.array # type: ignore
import bigframes.operations as ops
import bigframes.series
import bigframes.session
[docs]
class GeoSeries(vendored_geoseries.GeoSeries, bigframes.series.Series):
__doc__ = vendored_geoseries.GeoSeries.__doc__
[docs]
def __init__(self, data=None, index=None, **kwargs):
super().__init__(
data=data, index=index, dtype=geopandas.array.GeometryDtype(), **kwargs
)
@property
def length(self):
raise NotImplementedError(
"GeoSeries.length is not yet implemented. Please use bigframes.bigquery.st_length(geoseries) instead."
)
@property
def x(self) -> bigframes.series.Series:
series = self._apply_unary_op(ops.geo_x_op)
series.name = None
return series
@property
def y(self) -> bigframes.series.Series:
series = self._apply_unary_op(ops.geo_y_op)
series.name = None
return series
# GeoSeries.area overrides Series.area with something totally different.
# Ignore this type error, as we are trying to be as close to geopandas as
# we can.
@property
def area(self, crs=None) -> bigframes.series.Series: # type: ignore
raise NotImplementedError(
f"GeoSeries.area is not supported. Use bigframes.bigquery.st_area(series), instead. {constants.FEEDBACK_LINK}"
)
@property
def boundary(self) -> bigframes.series.Series: # type: ignore
series = self._apply_unary_op(ops.geo_st_boundary_op)
series.name = None
return series
@property
def is_closed(self) -> bigframes.series.Series:
# TODO(tswast): GeoPandas doesn't treat Point as closed. Use ST_LENGTH
# when available to filter out "closed" shapes that return false in
# GeoPandas.
raise NotImplementedError(
f"GeoSeries.is_closed is not supported. Use bigframes.bigquery.st_isclosed(series), instead. {constants.FEEDBACK_LINK}"
)
[docs]
@classmethod
def from_wkt(
cls,
data,
index=None,
*,
session: Optional[bigframes.session.Session] = None,
) -> GeoSeries:
series = bigframes.series.Series(data, index=index, session=session)
return cls(series._apply_unary_op(ops.geo_st_geogfromtext_op))
[docs]
@classmethod
def from_xy(cls, x, y, index=None, session=None, **kwargs) -> GeoSeries:
# TODO: if either x or y is local and the other is remote. Use the
# session from the remote object.
series_x = bigframes.series.Series(x, index=index, session=session, **kwargs)
series_y = bigframes.series.Series(y, index=index, session=session, **kwargs)
return cls(series_x._apply_binary_op(series_y, ops.geo_st_geogpoint_op))
[docs]
def to_wkt(self: GeoSeries) -> bigframes.series.Series:
series = self._apply_unary_op(ops.geo_st_astext_op)
series.name = None
return series
[docs]
def buffer(self: GeoSeries, distance: float) -> bigframes.series.Series: # type: ignore
raise NotImplementedError(
f"GeoSeries.buffer is not supported. Use bigframes.bigquery.st_buffer(series, distance), instead. {constants.FEEDBACK_LINK}"
)
@property
def centroid(self: GeoSeries) -> bigframes.series.Series: # type: ignore
return self._apply_unary_op(ops.geo_st_centroid_op)
@property
def convex_hull(self: GeoSeries) -> bigframes.series.Series: # type: ignore
return self._apply_unary_op(ops.geo_st_convexhull_op)
[docs]
def difference(self: GeoSeries, other: GeoSeries) -> bigframes.series.Series: # type: ignore
return self._apply_binary_op(other, ops.geo_st_difference_op)
[docs]
def distance(self: GeoSeries, other: GeoSeries) -> bigframes.series.Series: # type: ignore
raise NotImplementedError(
f"GeoSeries.distance is not supported. Use bigframes.bigquery.st_distance(series, other), instead. {constants.FEEDBACK_LINK}"
)
[docs]
def intersection(self: GeoSeries, other: GeoSeries) -> bigframes.series.Series: # type: ignore
return self._apply_binary_op(other, ops.geo_st_intersection_op)
[docs]
def simplify(self, tolerance, preserve_topology=True):
raise NotImplementedError(
f"GeoSeries.simplify is not supported. Use bigframes.bigquery.st_simplify(series, tolerance_meters), instead. {constants.FEEDBACK_LINK}"
)