This example demonstrates the use of the ElevationService
object. Click on the map to display the elevation at the clicked point.
Read the documentation or view this example fullscreen.
function initMap() {
var map = new google.maps.Map(document.getElementById('map'), {
zoom: 8,
center: {lat: 63.333, lng: -150.5}, // Denali.
mapTypeId: 'terrain'
});
var elevator = new google.maps.ElevationService;
var infowindow = new google.maps.InfoWindow({map: map});
// Add a listener for the click event. Display the elevation for the LatLng of
// the click inside the infowindow.
map.addListener('click', function(event) {
displayLocationElevation(event.latLng, elevator, infowindow);
});
}
function displayLocationElevation(location, elevator, infowindow) {
// Initiate the location request
elevator.getElevationForLocations({
'locations': [location]
}, function(results, status) {
infowindow.setPosition(location);
if (status === 'OK') {
// Retrieve the first result
if (results[0]) {
// Open the infowindow indicating the elevation at the clicked position.
infowindow.setContent('The elevation at this point <br>is ' +
results[0].elevation + ' meters.');
} else {
infowindow.setContent('No results found');
}
} else {
infowindow.setContent('Elevation service failed due to: ' + status);
}
});
}
<div id="map"></div>
/* Always set the map height explicitly to define the size of the div
* element that contains the map. */
#map {
height: 100%;
}
/* Optional: Makes the sample page fill the window. */
html, body {
height: 100%;
margin: 0;
padding: 0;
}
<!-- Replace the value of the key parameter with your own API key. --> <script async defer src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk&callback=initMap"> </script>
Try it yourself
Hover at top right of the code block to copy the code or open it in JSFiddle.
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<meta charset="utf-8">
<title>Elevation Service</title>
<style>
/* Always set the map height explicitly to define the size of the div
* element that contains the map. */
#map {
height: 100%;
}
/* Optional: Makes the sample page fill the window. */
html, body {
height: 100%;
margin: 0;
padding: 0;
}
</style>
</head>
<body>
<div id="map"></div>
<script>
function initMap() {
var map = new google.maps.Map(document.getElementById('map'), {
zoom: 8,
center: {lat: 63.333, lng: -150.5}, // Denali.
mapTypeId: 'terrain'
});
var elevator = new google.maps.ElevationService;
var infowindow = new google.maps.InfoWindow({map: map});
// Add a listener for the click event. Display the elevation for the LatLng of
// the click inside the infowindow.
map.addListener('click', function(event) {
displayLocationElevation(event.latLng, elevator, infowindow);
});
}
function displayLocationElevation(location, elevator, infowindow) {
// Initiate the location request
elevator.getElevationForLocations({
'locations': [location]
}, function(results, status) {
infowindow.setPosition(location);
if (status === 'OK') {
// Retrieve the first result
if (results[0]) {
// Open the infowindow indicating the elevation at the clicked position.
infowindow.setContent('The elevation at this point <br>is ' +
results[0].elevation + ' meters.');
} else {
infowindow.setContent('No results found');
}
} else {
infowindow.setContent('Elevation service failed due to: ' + status);
}
});
}
</script>
<script async defer
src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap">
</script>
</body>
</html>
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