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#
# Copyright 2014 Google Inc. All rights reserved.
#
#
# 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.
#
"""Performs requests to the Google Maps Elevation API."""
from googlemaps import convert
def elevation(client, locations):
"""
Provides elevation data for locations provided on the surface of the
earth, including depth locations on the ocean floor (which return negative
values)
:param locations: List of latitude/longitude values from which you wish
to calculate elevation data.
:type locations: a single location, or a list of locations, where a
location is a string, dict, list, or tuple
:rtype: list of elevation data responses
"""
params = {"locations": convert.shortest_path(locations)}
return client._request("/maps/api/elevation/json", params).get("results", [])
def elevation_along_path(client, path, samples):
"""
Provides elevation data sampled along a path on the surface of the earth.
:param path: An encoded polyline string, or a list of latitude/longitude
values from which you wish to calculate elevation data.
:type path: string, dict, list, or tuple
:param samples: The number of sample points along a path for which to
return elevation data.
:type samples: int
:rtype: list of elevation data responses
"""
if type(path) is str:
path = "enc:%s" % path
else:
path = convert.shortest_path(path)
params = {
"path": path,
"samples": samples
}
return client._request("/maps/api/elevation/json", params).get("results", [])
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