Meratakan mesh 3D

Anda dapat meratakan area tertentu di peta untuk menghapus bangunan, struktur, dan flora 3D. Meskipun perataan mesh mempertahankan geometri dasar medan (bukit dan lembah), perataan ini menghilangkan kekacauan pohon, bangunan, dan objek buatan manusia. Hal ini menciptakan ruang bersih untuk menempatkan model 3D kustom, penanda, atau lapisan data tanpa gangguan visual dari fitur peta yang ada.

Berikut contoh peta dengan area terpilih yang telah diratakan:

TypeScript

async function initMap(): Promise<void> {
    await google.maps.importLibrary('maps3d');

    const map = document.querySelector('gmp-map-3d') as Element;
    const flattener = document.querySelector('gmp-flattener') as Element;
    map.append(flattener);

    const toggleButton = document.getElementById('toggleButton') as HTMLButtonElement;
    toggleButton.addEventListener('click', () => {
        if (flattener.isConnected) {
            flattener.remove();
            toggleButton.textContent = 'Enable Flattener';
        } else {
            map.append(flattener);
            toggleButton.textContent = 'Disable Flattener';
        }
    });

}

initMap();index.ts

JavaScript

async function initMap() {
    await google.maps.importLibrary('maps3d');
    const map = document.querySelector('gmp-map-3d');
    const flattener = document.querySelector('gmp-flattener');
    map.append(flattener);
    const toggleButton = document.getElementById('toggleButton');
    toggleButton.addEventListener('click', () => {
        if (flattener.isConnected) {
            flattener.remove();
            toggleButton.textContent = 'Enable Flattener';
        }
        else {
            map.append(flattener);
            toggleButton.textContent = 'Disable Flattener';
        }
    });
}
initMap();index.js

CSS

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

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

.toggleButton {
  background: rgb(235, 235, 235);
  color: black;
  border: none;
  padding: 10px 20px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  border-radius: 4px;
  cursor: pointer;
  position: fixed;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
}

.toggleButton:hover {
  background-color: #007bff;
  color: white;
}style.css

HTML

<html>
    <head>
        <title>3D Mesh Flatten</title>

        <link rel="stylesheet" type="text/css" href="./style.css" />
        <script type="module" src="./index.js"></script>
    </head>
    <body>
        <gmp-map-3d
            center="40.70304023274898,-73.99453903360259,397.3687221767566"
            heading="-54.63577922139952"
            tilt="65.59195953953744"
            mode="SATELLITE">
            <gmp-flattener path="40.707680607935245,-74.00310353377735,500 40.70829665151717,-74.00193595590612,500 40.7073748659931,-74.00122787224885,500 40.706738652153156,-74.00232125268805,500 40.70738164589913,-74.0028721484274,500"></gmp-flattener>
        </gmp-map-3d>

        <button class="toggleButton" id="toggleButton" type="button">Disable Flattener</button>

        <script>
            (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))})({
            key: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8",
            v: "beta",
            // Use the 'v' parameter to indicate the version to use (weekly, beta, alpha, etc.).
            // Add other bootstrap parameters as needed, using camel case.
            });
        </script>
    </body>
</html>index.html

Mencoba Contoh

JSFiddle.net

Mendatarkan area

Contoh berikut menunjukkan cara meneruskan jalur koordinat lat/lng ke perata:

<gmp-map-3d center="40.707, -74.017, 0" tilt="67.5">
  <gmp-flattener path="40.7144,-74.0208 40.6993,-74.019 40.7035,-74.0004"></gmp-flattener>
</gmp-map-3d>

Membuka area tertentu

Contoh berikut menunjukkan penghapusan area poligon (menggunakan flattener.innerPaths) dari perata:

<gmp-map-3d center="40.707, -74.007, 0" tilt="67.5">
  <gmp-flattener id="my-flattener" path="40.7144,-74.0208 40.6993,-74.019 40.7035,-74.0004"></gmp-flattener>
</gmp-map-3d>

<script>
  const flattener = document.getElementById('my-flattener');
  flattener.innerPaths = [
    [
      { lat: 40.71, lng: -74.0175 },
      { lat: 40.703, lng: -74.0165 },
      { lat: 40.7035, lng: -74.006 }
    ],
  ];
</script>

Manfaat utama

Penyesuaian: Hapus geometri peta default untuk mengosongkan ruang bagi model 3D Anda sendiri.
Kejelasan: Berikan tampilan poligon dan polyline yang jelas dan tidak terhalang, seperti rute mendetail, langsung ke permukaan peta.
Visibilitas kamera: Cegah bangunan atau pohon mengganggu tampilan kamera, sehingga menghalangi titik fokus Anda.