Introducing Places UI Kit: A ready-to-use, low-cost component library that lets you bring the familiar Google Maps UI for Places to any map of your choice. Try it out, andshare your input to help shape the future of GMP!

Google Maps and deck.gl GeoJsonLayer

Visualizing thousands of points

This example visualizes recent earthquakes using the deck.gl GeoJsonLayer and aScatterPlot of earthquakes.

For more information, seehttps://deck.gl/.

TypeScript

// TODO Use imports when Deck.gl works in more bundlers// https://github.com/visgl/deck.gl/issues/6351#issuecomment-1079424167importtype*asGeoJSONfrom"geojson";// import { GeoJsonLayer } from "deck.gl";// import { GoogleMapsOverlay } from "@deck.gl/google-maps";constGeoJsonLayer=deck.GeoJsonLayer;constGoogleMapsOverlay=deck.GoogleMapsOverlay;typeProperties={mag:number};typeFeature=GeoJSON.Feature<GeoJSON.Point,Properties>;// Initialize and add the mapfunctioninitMap():void{constmap=newgoogle.maps.Map(document.getElementById("map")asHTMLElement,{center:{lat:40,lng:-110},zoom:4,});constdeckOverlay=newGoogleMapsOverlay({layers:[newGeoJsonLayer({id:"earthquakes",data:"https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_month.geojson",filled:true,pointRadiusMinPixels:2,pointRadiusMaxPixels:200,opacity:0.4,pointRadiusScale:0.3,getRadius:(f:Feature)=>Math.pow(10,f.properties.mag),getFillColor:[255,70,30,180],autoHighlight:true,transitions:{getRadius:{type:"spring",stiffness:0.1,damping:0.15,enter:()=>[0],// grow from size 0,duration:10000,},},onDataLoad:()=>{/* eslint-disable no-undef */// @ts-ignore defined in includeprogress.done();// hides progress bar/* eslint-enable no-undef */},}),],});deckOverlay.setMap(map);}declareglobal{interfaceWindow{initMap:()=>void;}}window.initMap=initMap;
Note: Read theguide on using TypeScript and Google Maps.

JavaScript

// import { GeoJsonLayer } from "deck.gl";// import { GoogleMapsOverlay } from "@deck.gl/google-maps";constGeoJsonLayer=deck.GeoJsonLayer;constGoogleMapsOverlay=deck.GoogleMapsOverlay;// Initialize and add the mapfunctioninitMap(){constmap=newgoogle.maps.Map(document.getElementById("map"),{center:{lat:40,lng:-110},zoom:4,});constdeckOverlay=newGoogleMapsOverlay({layers:[newGeoJsonLayer({id:"earthquakes",data:"https://earthquake.usgs.gov/earthquakes/feed/v1.0/summary/all_month.geojson",filled:true,pointRadiusMinPixels:2,pointRadiusMaxPixels:200,opacity:0.4,pointRadiusScale:0.3,getRadius:(f)=>Math.pow(10,f.properties.mag),getFillColor:[255,70,30,180],autoHighlight:true,transitions:{getRadius:{type:"spring",stiffness:0.1,damping:0.15,enter:()=>[0],// grow from size 0,duration:10000,},},onDataLoad:()=>{/* eslint-disable no-undef */// @ts-ignore defined in includeprogress.done();// hides progress bar/* eslint-enable no-undef */},}),],});deckOverlay.setMap(map);}window.initMap=initMap;
Note: The JavaScript is compiled from the TypeScript snippet.

CSS

/* * Always set the map height explicitly to define the size of the div element * that contains the map. */#map{height:100%;}/* * Optional: Makes the sample page fill the window. */html,body{height:100%;margin:0;padding:0;}

HTML

<html>  <head>    <title>deck.gl and Google Maps Platform</title>    <!-- Use Material Design Progress indicator -->    <link      href="https://unpkg.com/material-components-web@6.0.0/dist/material-components-web.css"      rel="stylesheet"    />    <script src="https://unpkg.com/material-components-web@6.0.0/dist/material-components-web.min.js"></script>    <script src="https://unpkg.com/deck.gl@8.9.22/dist.min.js"></script>    <script src="https://unpkg.com/@deck.gl/google-maps@8.9.22/dist.min.js"></script>    <link rel="stylesheet" type="text/css" href="./style.css" />    <script type="module" src="./index.js"></script>  </head>  <body>    <div      role="progressbar"           aria-label="Data Progress Bar"    >      <div>        <div></div>        <div></div>      </div>      <div>        <span></span>      </div>      <div>        <span></span>      </div>    </div>    <script>      var progress, progressDiv;      progressDiv = document.querySelector(".mdc-linear-progress");      progress = new mdc.linearProgress.MDCLinearProgress(progressDiv);      progress.open();      progress.determinate = false;      progress.done = function () {        progress.close();        progressDiv.remove();      };    </script>    <div></div>    <!--       The `defer` attribute causes the script to execute after the full HTML      document has been parsed. For non-blocking uses, avoiding race conditions,      and consistent behavior across browsers, consider loading using Promises. See      https://developers.google.com/maps/documentation/javascript/load-maps-js-api      for more information.      -->    <script      src="https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&v=weekly"      defer    ></script>  </body></html>

Try Sample

Clone Sample

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

gitclone-bsample-deckgl-pointshttps://github.com/googlemaps/js-samples.gitcdjs-samplesnpminpmstart

Other samples can be tried by switching to any branch beginning withsample-SAMPLE_NAME.

gitcheckoutsample-SAMPLE_NAMEnpminpmstart

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

Last updated 2025-07-18 UTC.