3d-map-roadmap

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-roadmap</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 class="map-mode-control">
      <label for="map-mode">Map mode</label>
      <select id="map-mode">
        <option value="ROADMAP" selected>Roadmap</option>
        <option value="SATELLITE">Satellite</option>
        <option value="HYBRID">Hybrid</option>
      </select>
    </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;
  font-family: 'Roboto', 'Helvetica', 'Arial', sans-serif;
}

gmp-map-3d {
  height: 100%;
  width: 100%;
}

/* Position the selector where the default map mode control would be. */
.map-mode-control {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 6px 6px 14px;
  background-color: #fff;
  border-radius: 8px;
  box-shadow:
    0 1px 2px rgba(60, 64, 67, 0.3),
    0 2px 6px 2px rgba(60, 64, 67, 0.15);
}

.map-mode-control label {
  font-size: 14px;
  font-weight: 500;
  color: #3c4043;
}

.map-mode-control select {
  appearance: none;
  padding: 6px 32px 6px 12px;
  font-family: inherit;
  font-size: 14px;
  color: #202124;
  background-color: #fff;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%235f6368' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 6px center;
  background-size: 20px;
  border: 1px solid #dadce0;
  border-radius: 6px;
  cursor: pointer;
}

.map-mode-control select:hover {
  background-color: #f8f9fa;
}

.map-mode-control select:focus-visible {
  outline: 2px solid #1a73e8;
  outline-offset: 1px;
}

JavaScript

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

async function init() {
  const { Map3DElement } = await google.maps.importLibrary('maps3d');

  const map = new Map3DElement({
    center: {
      lat: 37.79334535092104,
      lng: -122.400742086205,
      altitude: 0,
    },
    range: 2400,
    tilt: 65,
    heading: 0,
    mode: 'ROADMAP',
    // Hide the default UI controls, since this sample has its own mode selector.
    defaultUIHidden: true,
  });

  document.body.append(map);

  // Change the map mode when a new option is selected.
  const selector = document.getElementById('map-mode');
  selector.addEventListener('change', () => {
    map.mode = selector.value;
  });
}

void init();