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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 common
from googlemaps import convert
def elevation(ctx, 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 ctx: Shared googlemaps.Context
:type ctx: googlemaps.Context
:param locations: A single latitude/longitude tuple or dict, or a list of
latitude/longitude tuples or dicts from which you wish to calculate
elevation data.
:type locations: list or tuple
:rtype: list of elevation data responses
"""
params = {}
if type(locations) is tuple:
locations = [locations]
params["locations"] = convert.join_list("|",
[convert.latlng(k) for k in convert.as_list(locations)])
return common._get(ctx, "/maps/api/elevation/json", params)["results"]
def elevation_along_path(ctx, path, samples):
"""
Provides elevation data sampled along a path on the surface of the earth.
:param ctx: Shared googlemaps.Context
:type ctx: googlemaps.Context
:param path: A encoded polyline string, or a list of
latitude/longitude tuples from which you wish to calculate
elevation data.
:type path: str or list
: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.join_list("|",
[convert.latlng(k) for k in convert.as_list(path)])
params = {
"path": path,
"samples": samples
}
return common._get(ctx, "/maps/api/elevation/json", params)["results"]