Es kann losgehen!

Bevor Sie mit der Entwicklung beginnen, lesen Sie bitte unsere Entwicklerdokumentation.

Die Google Maps JavaScript API aktivieren

Zum Einstieg führen wir Sie durch die Google Developers Console, wo Sie vorab Folgendes tun müssen:

  1. Ein Projekt erstellen oder auswählen
  2. Die Google Maps JavaScript API und zugehörige Dienste aktivieren
  3. Zugehörige Schlüssel erstellen
Weiter

Draggable Polygons

Read the documentation or view this example full screen.

// This example creates draggable triangles on the map.
// Note also that the red triangle is geodesic, so its shape changes
// as you drag it north or south.

function initMap() {

  var map = new google.maps.Map(document.getElementById('map'), {
    zoom: 1,
    center: {lat: 24.886, lng: -70.268},
    mapTypeId: 'terrain'
  });

  var blueCoords = [
    {lat: 25.774, lng: -60.190},
    {lat: 18.466, lng: -46.118},
    {lat: 32.321, lng: -44.757}
  ];

  var redCoords = [
    {lat: 25.774, lng: -80.190},
    {lat: 18.466, lng: -66.118},
    {lat: 32.321, lng: -64.757}
  ];

  // Construct a draggable red triangle with geodesic set to true.
  new google.maps.Polygon({
    map: map,
    paths: redCoords,
    strokeColor: '#FF0000',
    strokeOpacity: 0.8,
    strokeWeight: 2,
    fillColor: '#FF0000',
    fillOpacity: 0.35,
    draggable: true,
    geodesic: true
  });

  // Construct a draggable blue triangle with geodesic set to false.
  new google.maps.Polygon({
    map: map,
    paths: blueCoords,
    strokeColor: '#0000FF',
    strokeOpacity: 0.8,
    strokeWeight: 2,
    fillColor: '#0000FF',
    fillOpacity: 0.35,
    draggable: true,
    geodesic: false
  });
}
<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>


Probieren Sie es selbst aus

Bewegen Sie die Maus oben rechts über den Codeblock, um den Code zu kopieren, oder öffnen Sie ihn in JSFiddle.

<!DOCTYPE html>
<html>
  <head>
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <title>Draggable Polygons</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 creates draggable triangles on the map.
      // Note also that the red triangle is geodesic, so its shape changes
      // as you drag it north or south.

      function initMap() {

        var map = new google.maps.Map(document.getElementById('map'), {
          zoom: 1,
          center: {lat: 24.886, lng: -70.268},
          mapTypeId: 'terrain'
        });

        var blueCoords = [
          {lat: 25.774, lng: -60.190},
          {lat: 18.466, lng: -46.118},
          {lat: 32.321, lng: -44.757}
        ];

        var redCoords = [
          {lat: 25.774, lng: -80.190},
          {lat: 18.466, lng: -66.118},
          {lat: 32.321, lng: -64.757}
        ];

        // Construct a draggable red triangle with geodesic set to true.
        new google.maps.Polygon({
          map: map,
          paths: redCoords,
          strokeColor: '#FF0000',
          strokeOpacity: 0.8,
          strokeWeight: 2,
          fillColor: '#FF0000',
          fillOpacity: 0.35,
          draggable: true,
          geodesic: true
        });

        // Construct a draggable blue triangle with geodesic set to false.
        new google.maps.Polygon({
          map: map,
          paths: blueCoords,
          strokeColor: '#0000FF',
          strokeOpacity: 0.8,
          strokeWeight: 2,
          fillColor: '#0000FF',
          fillOpacity: 0.35,
          draggable: true,
          geodesic: false
        });
      }
    </script>
    <script async defer
    src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap">
    </script>
  </body>
</html>

Feedback geben zu...

Google Maps JavaScript API
Google Maps JavaScript API