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Activer Google Maps JavaScript API

Pour commencer, nous allons vous guider à travers la console Google Developers et effectuer deux ou trois petites choses :

  1. Créer ou sélectionner un projet
  2. Activer Google Maps JavaScript API et les services connexes
  3. Créer les clés appropriées
Continuer

Rectangle Events

Read the documentation or view this example full screen.

// This example adds a user-editable rectangle to the map.
// When the user changes the bounds of the rectangle,
// an info window pops up displaying the new bounds.

var rectangle;
var map;
var infoWindow;

function initMap() {
  map = new google.maps.Map(document.getElementById('map'), {
    center: {lat: 44.5452, lng: -78.5389},
    zoom: 9
  });

  var bounds = {
    north: 44.599,
    south: 44.490,
    east: -78.443,
    west: -78.649
  };

  // Define the rectangle and set its editable property to true.
  rectangle = new google.maps.Rectangle({
    bounds: bounds,
    editable: true,
    draggable: true
  });

  rectangle.setMap(map);

  // Add an event listener on the rectangle.
  rectangle.addListener('bounds_changed', showNewRect);

  // Define an info window on the map.
  infoWindow = new google.maps.InfoWindow();
}
// Show the new coordinates for the rectangle in an info window.

/** @this {google.maps.Rectangle} */
function showNewRect(event) {
  var ne = rectangle.getBounds().getNorthEast();
  var sw = rectangle.getBounds().getSouthWest();

  var contentString = '<b>Rectangle moved.</b><br>' +
      'New north-east corner: ' + ne.lat() + ', ' + ne.lng() + '<br>' +
      'New south-west corner: ' + sw.lat() + ', ' + sw.lng();

  // Set the info window's content and position.
  infoWindow.setContent(contentString);
  infoWindow.setPosition(ne);

  infoWindow.open(map);
}
<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>

Essayez par vous-même

Placez la souris en haut à droite du bloc de code pour le copier ou l'ouvrir dans JSFiddle.

<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <title>Rectangle Events</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>
      // This example adds a user-editable rectangle to the map.
      // When the user changes the bounds of the rectangle,
      // an info window pops up displaying the new bounds.

      var rectangle;
      var map;
      var infoWindow;

      function initMap() {
        map = new google.maps.Map(document.getElementById('map'), {
          center: {lat: 44.5452, lng: -78.5389},
          zoom: 9
        });

        var bounds = {
          north: 44.599,
          south: 44.490,
          east: -78.443,
          west: -78.649
        };

        // Define the rectangle and set its editable property to true.
        rectangle = new google.maps.Rectangle({
          bounds: bounds,
          editable: true,
          draggable: true
        });

        rectangle.setMap(map);

        // Add an event listener on the rectangle.
        rectangle.addListener('bounds_changed', showNewRect);

        // Define an info window on the map.
        infoWindow = new google.maps.InfoWindow();
      }
      // Show the new coordinates for the rectangle in an info window.

      /** @this {google.maps.Rectangle} */
      function showNewRect(event) {
        var ne = rectangle.getBounds().getNorthEast();
        var sw = rectangle.getBounds().getSouthWest();

        var contentString = '<b>Rectangle moved.</b><br>' +
            'New north-east corner: ' + ne.lat() + ', ' + ne.lng() + '<br>' +
            'New south-west corner: ' + sw.lat() + ', ' + sw.lng();

        // Set the info window's content and position.
        infoWindow.setContent(contentString);
        infoWindow.setPosition(ne);

        infoWindow.open(map);
      }
    </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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