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ElevationService classgoogle.maps.ElevationService class
Defines a service class that talks directly to Google servers for requesting elevation data.
Access by calling const {ElevationService} = await google.maps.importLibrary("elevation").
See Libraries in the Maps JavaScript API.
ElevationService
ElevationService()
Parameters: None
Creates a new instance of a ElevationService that sends elevation queries to Google servers.
google.maps.LocationElevationRequest interface
An elevation request sent by the ElevationService containing the list of discrete coordinates (LatLngs) for which to return elevation data.
google.maps.PathElevationRequest interface
An elevation query sent by the ElevationService containing the path along which to return sampled data. This request defines a continuous path along the earth along which elevation samples should be taken at evenly-spaced distances. All paths from vertex to vertex use segments of the great circle between those two points.
samples
Type: number
Required. The number of equidistant points along the given path for which to retrieve elevation data, including the endpoints. The number of samples must be a value between 2 and 512 inclusive.
path optional Type: Array<LatLng|LatLngLiteral> optional
The path along which to collect elevation values.
ElevationResult interfacegoogle.maps.ElevationResult interface
The result of an ElevationService request, consisting of the set of elevation coordinates and their elevation values. Note that a single request may produce multiple ElevationResults.
elevation
Type: number
The elevation of this point on Earth, in meters above sea level.
resolution
Type: number
The distance, in meters, between sample points from which the elevation was interpolated. This property will be missing if the resolution is not known. Note that elevation data becomes more coarse (larger resolution values) when multiple points are passed. To obtain the most accurate elevation value for a point, it should be queried independently.
location optional Type: LatLng optional
The location of this elevation result.
ElevationStatus constantsgoogle.maps.ElevationStatus constants
The status returned by the ElevationService upon completion of an elevation request. Specify these by value, or by using the constant's name. For example, 'OK' or google.maps.ElevationStatus.OK.
Access by calling const {ElevationStatus} = await google.maps.importLibrary("elevation").
See Libraries in the Maps JavaScript API.
INVALID_REQUEST The request was invalid. OK The request did not encounter any errors. OVER_QUERY_LIMIT The webpage has gone over the requests limit in too short a period of time. REQUEST_DENIED The webpage is not allowed to use the elevation service. UNKNOWN_ERROR The elevation request could not be successfully processed, yet the exact reason for the failure is not known.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-07-02 UTC.
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