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Make polylines clickable

This example shows how to create a polyline that the drawsOccludedSegments property when clicked.

Read the documentation.

[フレーム]

JavaScript

letmap;
asyncfunctioninit(){
const{Map3DElement,Polyline3DInteractiveElement}=
awaitgoogle.maps.importLibrary('maps3d');
map=newMap3DElement({
center:{lat:37.7927,lng:-122.402,altitude:65.93},
range:3362.87,
tilt:64.01,
heading:25.0,
mode:'SATELLITE',
});
document.body.append(map);
constpolyline=newPolyline3DInteractiveElement({
coordinates:[
{lat:37.80515638571346,lng:-122.4032569467164},
{lat:37.80337073509504,lng:-122.4012878349353},
{lat:37.79925208843463,lng:-122.3976697250461},
{lat:37.7989102378512,lng:-122.3983408725656},
{lat:37.79887832784348,lng:-122.3987094864192},
{lat:37.79786443410338,lng:-122.4066878788802},
{lat:37.79549248916587,lng:-122.4032992702785},
{lat:37.78861484290265,lng:-122.4019489189814},
{lat:37.78618687561075,lng:-122.398969592545},
{lat:37.7892310309145,lng:-122.3951458683092},
{lat:37.7916358762409,lng:-122.3981969390652},
],
strokeColor:'blue',
outerColor:'white',
strokeWidth:10,
outerWidth:0.4,
altitudeMode:'RELATIVE_TO_GROUND',// Place it on the ground (as it has no altitude it will just be at ground height).
drawsOccludedSegments:true,// Show the line through the buildings or anything else that might get in the way.
});
polyline.addEventListener('gmp-click',function(){
// Toggle whether the line draws occluded segments.
this.drawsOccludedSegments=!this.drawsOccludedSegments;
});
map.append(polyline);
}
voidinit();

CSS

/* 
 * 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;
}

HTML

<html>
 <head>
 <title>Map</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>
 <div id="map"></div>
 </body>
</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-polyline-click-event
npmi
npmstart

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2026年09月01日 UTC.