Get a Maps Demo Key: Try out select Maps JavaScript API and Places UI Kit features at no cost with a Maps Demo Key—no billing information required.

Flatten mesh

The following example demonstrates how to flatten the 3D mesh.

Read the documentation.

[フレーム]

TypeScript

asyncfunctioninit():Promise<void>{
awaitgoogle.maps.importLibrary('maps3d');
constmap=document.querySelector('gmp-map-3d')!;
constflattener=document.querySelector('gmp-flattener')!;
map.append(flattener);
consttoggleButton=document.getElementById(
'toggleButton'
)asHTMLButtonElement;
toggleButton.addEventListener('click',()=>{
if(flattener.isConnected){
flattener.remove();
toggleButton.textContent='Enable Flattener';
}else{
map.append(flattener);
toggleButton.textContent='Disable Flattener';
}
});
}
voidinit();index.ts

JavaScript

asyncfunctioninit(){
awaitgoogle.maps.importLibrary('maps3d');
constmap=document.querySelector('gmp-map-3d');
constflattener=document.querySelector('gmp-flattener');
map.append(flattener);
consttoggleButton=document.getElementById('toggleButton');
toggleButton.addEventListener('click',()=>{
if(flattener.isConnected){
flattener.remove();
toggleButton.textContent='Enable Flattener';
}else{
map.append(flattener);
toggleButton.textContent='Disable Flattener';
}
});
}
voidinit();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:10px20px;
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>
 <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))})({
 key: "GOOGLE_MAPS_API_KEY"
 });
 </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>
 </body>
</html>index.html

Clone Sample

Git and Node.js are required to run this sample locally. Follow these instructions to install Node.js and NPM. The following commands clone, install dependencies and start the sample application.

gitclonehttps://github.com/googlemaps-samples/js-api-samples.git
cdsamples/3d-mesh-flatten
npmi
npmstart