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 .

TypeScript

 async 
  
 function 
  
 init 
 () 
 : 
  
 Promise<void> 
  
 { 
  
 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' 
  
 ) 
  
 as 
  
 HTMLButtonElement 
 ; 
  
 toggleButton 
 . 
 addEventListener 
 ( 
 'click' 
 , 
  
 () 
  
 = 
>  
 { 
  
 if 
  
 ( 
 flattener 
 . 
 isConnected 
 ) 
  
 { 
  
 flattener 
 . 
 remove 
 (); 
  
 toggleButton 
 . 
 textContent 
  
 = 
  
 'Enable Flattener' 
 ; 
  
 } 
  
 else 
  
 { 
  
 map 
 . 
 append 
 ( 
 flattener 
 ); 
  
 toggleButton 
 . 
 textContent 
  
 = 
  
 'Disable Flattener' 
 ; 
  
 } 
  
 }); 
 } 
 void 
  
 init 
 (); 
   index 
 . 
 ts

JavaScript

 async 
  
 function 
  
 init 
 () 
  
 { 
  
 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' 
 ; 
  
 } 
  
 }); 
 } 
 void 
  
 init 
 (); 
   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 
 : 
  
 10 
 px 
  
 20 
 px 
 ; 
  
 text-align 
 : 
  
 center 
 ; 
  
 text-decoration 
 : 
  
 none 
 ; 
  
 display 
 : 
  
 inline-block 
 ; 
  
 font-size 
 : 
  
 16 
 px 
 ; 
  
 border-radius 
 : 
  
 4 
 px 
 ; 
  
 cursor 
 : 
  
 pointer 
 ; 
  
 position 
 : 
  
 fixed 
 ; 
  
 bottom 
 : 
  
 10 
 px 
 ; 
  
 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: "AIzaSyA6myHzS10YXdcazAFalmXvDkrYCp5cLc8"
            });
        </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

Try Sample

JSFiddle.net

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.

  
  git 
  
 clone 
  
 https 
 : 
 //github.com/googlemaps-samples/js-api-samples.git 
 
  
  cd 
  
 samples 
 / 
 3 
 d 
 - 
 mesh 
 - 
 flatten 
 
  
  npm 
  
 i 
 
  
  npm 
  
 start