This example demonstrates the use of the ElevationService
object. Click on the map to display the elevation at the clicked point.
Read the documentation.
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
You can experiment with this code in JSFiddle by clicking the <>
icon in the
top-right corner of the code window.
<!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>