3d-marker-click-event

Sample code supporting Google Maps Platform JavaScript API documentation. author(s): Geo Developer IX Documentation Team

HTML

<!doctype html>
<!--
 @license
 Copyright 2025 Google LLC. All Rights Reserved.
 SPDX-License-Identifier: Apache-2.0
-->

<html>
  <head>
    <title>Map</title>

    <script>
      // prettier-ignore
      (g=>{var h,a,k,p="The Google Maps JavaScript API",c="google",l="importLibrary",q="__ib__",m=document,b=window;b=b[c]||(b[c]={});var d=b.maps||(b.maps={}),r=new Set,e=new URLSearchParams,u=()=>h||(h=new Promise(async(f,n)=>{await (a=m.createElement("script"));e.set("libraries",[...r]+"");for(k in g)e.set(k.replace(/[A-Z]/g,t=>"_"+t[0].toLowerCase()),g[k]);e.set("callback",c+".maps."+q);a.src=`https://maps.${c}apis.com/maps/api/js?`+e;d[q]=f;a.onerror=()=>h=n(Error(p+" could not load."));a.nonce=m.querySelector("script[nonce]")?.nonce||"";m.head.append(a)}));d[l]?console.warn(p+" only loads once. Ignoring:",g):d[l]=(f,...n)=>r.add(f)&&u().then(()=>d[l](f,...n))})({
            });
    </script>
  </head>
  <body>
    <div id="map"></div>
  </body>
</html>

CSS

/*
* @license
* Copyright 2025 Google LLC. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*/

/* 
 * Always set the map height explicitly to define the size of the div element
 * that contains the map. 
 */
html,
map {
  height: 100%;
}
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

JavaScript

'use strict';
/*
 * @license
 * Copyright 2025 Google LLC. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */

async function init() {
  // Include the interactive marker class
  const { Map3DElement, Marker3DInteractiveElement } =
    await google.maps.importLibrary('maps3d');

  // We will use this to place the camrea for the intial view but also to fly around the starting point.
  const originalCamera = {
    center: { lat: 39.1178, lng: -106.4452, altitude: 4395.4952 },
    range: 1500,
    tilt: 74,
    heading: 0,
  };

  const map = new Map3DElement({
    ...originalCamera,
    mode: 'SATELLITE',
  });

  // Create the interactive marker and set the attributes.
  const interactiveMarker = new Marker3DInteractiveElement({
    position: { lat: 39.1178, lng: -106.4452, altitude: 100 },
    altitudeMode: 'RELATIVE_TO_MESH',
    extruded: true,
    label: 'Mount Elbert',
  });

  // Specify the action to take on click.
  interactiveMarker.addEventListener('gmp-click', () => {
    map.flyCameraAround({
      camera: originalCamera,
      durationMillis: 50000,
      repeatCount: 1,
    });
  });

  map.append(interactiveMarker);

  document.body.append(map);
}

void init();