3d-map-events

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

HTML

<!doctype html>
<!--
 @license
 Copyright 2026 Google LLC. All Rights Reserved.
 SPDX-License-Identifier: Apache-2.0
-->

<html>
  <head>
    <title>3d-map-events</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>
    <gmp-map-3d
      mode="hybrid"
      center="40.6338, 14.6028, 54.82"
      range="1000"
      tilt="65"></gmp-map-3d>
    <div class="myaside">
      <p id="gmp-centerchange">gmp-centerchange</p>
      <p id="gmp-click">gmp-click</p>
      <p id="gmp-headingchange">gmp-headingchange</p>
      <p id="gmp-rangechange">gmp-rangechange</p>
      <p id="gmp-rollchange">gmp-rollchange</p>
      <p id="gmp-steadychange">gmp-steadychange</p>
      <p id="gmp-tiltchange">gmp-tiltchange</p>
    </div>
  </body>
</html>

CSS

/*
 * @license
 * Copyright 2026 Google LLC. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}
body {
  display: flex;
  flex-direction: row;
}
gmp-map-3d {
  flex-grow: 1;
}
.myaside {
  flex-basis: 25%;
  font-family:
    Droid Sans Mono,
    monospace;
  font-size: 15px;
  padding: 2px;
}
.myaside > p.active {
  background-color: #9cf;
}

JavaScript

'use strict';
/*
 * @license
 * Copyright 2026 Google LLC. All Rights Reserved.
 * SPDX-License-Identifier: Apache-2.0
 */

const mapElement = document.querySelector('gmp-map-3d');

async function init() {
  // Import the needed libraries.
  await google.maps.importLibrary('maps3d');

  const events = [...document.querySelectorAll('div > p')].map(
    (i) => i.textContent
  );
  for (const event of events) {
    mapElement?.addEventListener(event, () => {
      const eventElement = document.querySelector(`#${event}`);
      eventElement?.classList.add('active');
      setTimeout(() => {
        eventElement?.classList.remove('active');
      }, 1000);
    });
  }
}

void init();