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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

Arrows (Symbols)

Read the documentation or view this example full screen.

// This example adds a predefined symbol (an arrow) to a polyline.
// Setting offset to 100% places the arrow at the end of the line.

function initMap() {
  var map = new google.maps.Map(document.getElementById('map'), {
    zoom: 6,
    center: {lat: 20.291, lng: 153.027},
    mapTypeId: 'terrain'
  });

  // Define a symbol using a predefined path (an arrow)
  // supplied by the Google Maps JavaScript API.
  var lineSymbol = {
    path: google.maps.SymbolPath.FORWARD_CLOSED_ARROW
  };

  // Create the polyline and add the symbol via the 'icons' property.
  var line = new google.maps.Polyline({
    path: [{lat: 22.291, lng: 153.027}, {lat: 18.291, lng: 153.027}],
    icons: [{
      icon: lineSymbol,
      offset: '100%'
    }],
    map: 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>Arrows (Symbols)</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 predefined symbol (an arrow) to a polyline.
      // Setting offset to 100% places the arrow at the end of the line.

      function initMap() {
        var map = new google.maps.Map(document.getElementById('map'), {
          zoom: 6,
          center: {lat: 20.291, lng: 153.027},
          mapTypeId: 'terrain'
        });

        // Define a symbol using a predefined path (an arrow)
        // supplied by the Google Maps JavaScript API.
        var lineSymbol = {
          path: google.maps.SymbolPath.FORWARD_CLOSED_ARROW
        };

        // Create the polyline and add the symbol via the 'icons' property.
        var line = new google.maps.Polyline({
          path: [{lat: 22.291, lng: 153.027}, {lat: 18.291, lng: 153.027}],
          icons: [{
            icon: lineSymbol,
            offset: '100%'
          }],
          map: 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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