3d-marker-graphics

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

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

const ASSET_BASE_URL = new URL(
  'https://maps-docs-team.web.app/samples/3d-marker-graphics/dist/'
);

async function init() {
  const [{ Map3DElement, Marker3DElement }, { PinElement }, { Place }] =
    await Promise.all([
      google.maps.importLibrary('maps3d'),
      google.maps.importLibrary('marker'),
      google.maps.importLibrary('places'),
    ]);

  const map = new Map3DElement({
    center: { lat: 37.426, lng: -122.082, altitude: 18 },
    tilt: 67.5,
    range: 4000,
    mode: 'SATELLITE',
  });

  // A marker with a with a URL pointing to a PNG.
  const beachFlagImg = document.createElement('img');
  beachFlagImg.src = String(new URL('./beachflag.png', ASSET_BASE_URL));

  const beachFlagMarker = new Marker3DElement({
    position: { lat: 37.434, lng: -122.082 },
  });
  const templateForImg = document.createElement('template');
  templateForImg.content.append(beachFlagImg);
  beachFlagMarker.append(templateForImg);

  map.append(beachFlagMarker);

  // A marker with a custom SVG glyph and white background.
  const glyphImgUrl = new URL('./192px.svg', ASSET_BASE_URL);
  const glyphSvgPinElement = new PinElement({
    background: 'white',
    glyphSrc: new URL(glyphImgUrl),
  });
  const glyphSvgMarker = new Marker3DElement({
    position: { lat: 37.425, lng: -122.07, altitude: 100 },
    extruded: true,
    altitudeMode: 'ABSOLUTE',
  });
  glyphSvgMarker.append(glyphSvgPinElement);

  try {
    map.append(glyphSvgMarker);
  } catch (error) {
    console.error(error);
  }

  // A marker customized using a place icon and color, name, and geometry.
  const place = new Place({
    id: 'ChIJN5Nz71W3j4ARhx5bwpTQEGg',
  });

  // Call fetchFields, passing the desired data fields.
  await place.fetchFields({
    fields: [
      'location',
      'displayName',
      'svgIconMaskURI',
      'iconBackgroundColor',
    ],
  });

  const pinElement =...