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Visualizing animated paths
This example shows vehicle trip data in New York City. TheTrips Layerrenders animated paths that represent vehicle trips.
TypeScript
// TODO Use imports when Deck.gl works in more bundlers// https://github.com/visgl/deck.gl/issues/6351#issuecomment-1079424167// import { GoogleMapsOverlay } from "@deck.gl/google-maps";// import { TripsLayer } from "deck.gl";constGoogleMapsOverlay=deck.GoogleMapsOverlay;constTripsLayer=deck.TripsLayer;interfaceData{vendor:number;path:[number,number][];timestamps:number[];}constDATA_URL="https://raw.githubusercontent.com/visgl/deck.gl-data/master/examples/trips/trips-v7.json";constLOOP_LENGTH=1800;constVENDOR_COLORS=[[255,0,0],// vendor #0[0,0,255],// vendor #1];functioninitMap():void{constmap=newgoogle.maps.Map(document.getElementById("map")asHTMLElement,{center:{lat:40.72,lng:-74},mapId:"fae05836df2dc8bb",tilt:45,zoom:15,});letcurrentTime=0;constprops={id:"trips",data:DATA_URL,getPath:(d:Data)=>d.path,getTimestamps:(d:Data)=>d.timestamps,getColor:(d:Data)=>VENDOR_COLORS[d.vendor],opacity:1,widthMinPixels:2,trailLength:180,currentTime,shadowEnabled:false,};constoverlay=newGoogleMapsOverlay({});constanimate=()=>{currentTime=(currentTime+1)%LOOP_LENGTH;consttripsLayer=newTripsLayer({...props,currentTime,});overlay.setProps({layers:[tripsLayer],});window.requestAnimationFrame(animate);};window.requestAnimationFrame(animate);overlay.setMap(map);}declareglobal{interfaceWindow{initMap:()=>void;}}window.initMap=initMap;
// TODO Use imports when Deck.gl works in more bundlers// https://github.com/visgl/deck.gl/issues/6351#issuecomment-1079424167// import { GoogleMapsOverlay } from "@deck.gl/google-maps";// import { TripsLayer } from "deck.gl";constGoogleMapsOverlay=deck.GoogleMapsOverlay;constTripsLayer=deck.TripsLayer;constDATA_URL="https://raw.githubusercontent.com/visgl/deck.gl-data/master/examples/trips/trips-v7.json";constLOOP_LENGTH=1800;constVENDOR_COLORS=[[255,0,0],// vendor #0[0,0,255],// vendor #1];functioninitMap(){constmap=newgoogle.maps.Map(document.getElementById("map"),{center:{lat:40.72,lng:-74},mapId:"fae05836df2dc8bb",tilt:45,zoom:15,});letcurrentTime=0;constprops={id:"trips",data:DATA_URL,getPath:(d)=>d.path,getTimestamps:(d)=>d.timestamps,getColor:(d)=>VENDOR_COLORS[d.vendor],opacity:1,widthMinPixels:2,trailLength:180,currentTime,shadowEnabled:false,};constoverlay=newGoogleMapsOverlay({});constanimate=()=>{currentTime=(currentTime+1)%LOOP_LENGTH;consttripsLayer=newTripsLayer({...props,currentTime,});overlay.setProps({layers:[tripsLayer],});window.requestAnimationFrame(animate);};window.requestAnimationFrame(animate);overlay.setMap(map);}window.initMap=initMap;
/** 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>
<head>
<title>deck.gl Trips Layer</title>
<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 id="map"></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>
Git and Node.js are required to run this sample locally. Follow theseinstructionsto install Node.js and NPM. The following commands clone, install dependencies and start the sample application.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003eThis example visualizes vehicle trip data in New York City using the Deck.gl Trips Layer, displaying animated paths representing individual trips.\u003c/p\u003e\n"],["\u003cp\u003eThe visualization leverages Google Maps for the base map and integrates Deck.gl for rendering the animated trips data.\u003c/p\u003e\n"],["\u003cp\u003eThe code provides both TypeScript and JavaScript implementations, utilizing external libraries like Deck.gl and Google Maps JavaScript API.\u003c/p\u003e\n"],["\u003cp\u003eUsers can interact with the example through provided links to JSFiddle and Google Cloud Shell, or by cloning the sample code for local execution.\u003c/p\u003e\n"]]],[],null,["Visualizing animated paths\n\nThis example shows vehicle trip data in New York City. The\n[`Trips Layer`](https://deck.gl/docs/api-reference/geo-layers/trips-layer)\nrenders animated paths that represent vehicle trips. \n\nTypeScript \n\n```typescript\n// TODO Use imports when Deck.gl works in more bundlers\n// https://github.com/visgl/deck.gl/issues/6351#issuecomment-1079424167\n\n// import { GoogleMapsOverlay } from \"@deck.gl/google-maps\";\n// import { TripsLayer } from \"deck.gl\";\n\nconst GoogleMapsOverlay = deck.GoogleMapsOverlay;\nconst TripsLayer = deck.TripsLayer;\n\ninterface Data {\n vendor: number;\n path: [number, number][];\n timestamps: number[];\n}\n\nconst DATA_URL =\n \"https://raw.githubusercontent.com/visgl/deck.gl-data/master/examples/trips/trips-v7.json\";\n\nconst LOOP_LENGTH = 1800;\nconst VENDOR_COLORS = [\n [255, 0, 0], // vendor #0\n [0, 0, 255], // vendor #1\n];\n\nfunction initMap(): void {\n const map = new google.maps.Map(\n document.getElementById(\"map\") as HTMLElement,\n {\n center: { lat: 40.72, lng: -74 },\n mapId: \"fae05836df2dc8bb\",\n tilt: 45,\n zoom: 15,\n }\n );\n\n let currentTime = 0;\n const props = {\n id: \"trips\",\n data: DATA_URL,\n getPath: (d: Data) =\u003e d.path,\n getTimestamps: (d: Data) =\u003e d.timestamps,\n getColor: (d: Data) =\u003e VENDOR_COLORS[d.vendor],\n opacity: 1,\n widthMinPixels: 2,\n trailLength: 180,\n currentTime,\n shadowEnabled: false,\n };\n\n const overlay = new GoogleMapsOverlay({});\n\n const animate = () =\u003e {\n currentTime = (currentTime + 1) % LOOP_LENGTH;\n\n const tripsLayer = new TripsLayer({\n ...props,\n currentTime,\n });\n\n overlay.setProps({\n layers: [tripsLayer],\n });\n\n window.requestAnimationFrame(animate);\n };\n\n window.requestAnimationFrame(animate);\n\n overlay.setMap(map);\n}\n\ndeclare global {\n interface Window {\n initMap: () =\u003e void;\n }\n}\nwindow.initMap = initMap;https://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/samples/deckgl-tripslayer/index.ts#L7-L83\n```\n| **Note:** Read the [guide](/maps/documentation/javascript/using-typescript) on using TypeScript and Google Maps.\n\nJavaScript \n\n```javascript\n// TODO Use imports when Deck.gl works in more bundlers\n// https://github.com/visgl/deck.gl/issues/6351#issuecomment-1079424167\n// import { GoogleMapsOverlay } from \"@deck.gl/google-maps\";\n// import { TripsLayer } from \"deck.gl\";\nconst GoogleMapsOverlay = deck.GoogleMapsOverlay;\nconst TripsLayer = deck.TripsLayer;\nconst DATA_URL =\n \"https://raw.githubusercontent.com/visgl/deck.gl-data/master/examples/trips/trips-v7.json\";\nconst LOOP_LENGTH = 1800;\nconst VENDOR_COLORS = [\n [255, 0, 0], // vendor #0\n [0, 0, 255], // vendor #1\n];\n\nfunction initMap() {\n const map = new google.maps.Map(document.getElementById(\"map\"), {\n center: { lat: 40.72, lng: -74 },\n mapId: \"fae05836df2dc8bb\",\n tilt: 45,\n zoom: 15,\n });\n let currentTime = 0;\n const props = {\n id: \"trips\",\n data: DATA_URL,\n getPath: (d) =\u003e d.path,\n getTimestamps: (d) =\u003e d.timestamps,\n getColor: (d) =\u003e VENDOR_COLORS[d.vendor],\n opacity: 1,\n widthMinPixels: 2,\n trailLength: 180,\n currentTime,\n shadowEnabled: false,\n };\n const overlay = new GoogleMapsOverlay({});\n\n const animate = () =\u003e {\n currentTime = (currentTime + 1) % LOOP_LENGTH;\n\n const tripsLayer = new TripsLayer({\n ...props,\n currentTime,\n });\n\n overlay.setProps({\n layers: [tripsLayer],\n });\n window.requestAnimationFrame(animate);\n };\n\n window.requestAnimationFrame(animate);\n overlay.setMap(map);\n}\n\nwindow.initMap = initMap;https://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/dist/samples/deckgl-tripslayer/docs/index.js#L7-L61\n```\n| **Note:** The JavaScript is compiled from the TypeScript snippet.\n\nCSS \n\n```css\n/* \n * Always set the map height explicitly to define the size of the div element\n * that contains the map. \n */\n#map {\n height: 100%;\n}\n\n/* \n * Optional: Makes the sample page fill the window. \n */\nhtml,\nbody {\n height: 100%;\n margin: 0;\n padding: 0;\n}\nhttps://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/dist/samples/deckgl-tripslayer/docs/style.css#L18-L35\n```\n\nHTML \n\n```html\n\u003chtml\u003e\n \u003chead\u003e\n \u003ctitle\u003edeck.gl Trips Layer\u003c/title\u003e\n\n \u003cscript src=\"https://unpkg.com/deck.gl@8.9.22/dist.min.js\"\u003e\u003c/script\u003e\n \u003cscript src=\"https://unpkg.com/@deck.gl/google-maps@8.9.22/dist.min.js\"\u003e\u003c/script\u003e\n\n \u003clink rel=\"stylesheet\" type=\"text/css\" href=\"./style.css\" /\u003e\n \u003cscript type=\"module\" src=\"./index.js\"\u003e\u003c/script\u003e\n \u003c/head\u003e\n \u003cbody\u003e\n \u003cdiv id=\"map\"\u003e\u003c/div\u003e\n\n \u003c!-- \n The `defer` attribute causes the script to execute after the full HTML\n document has been parsed. For non-blocking uses, avoiding race conditions,\n and consistent behavior across browsers, consider loading using Promises. See\n https://developers.google.com/maps/documentation/javascript/load-maps-js-api\n for more information.\n --\u003e\n \u003cscript\n src=\"https://maps.googleapis.com/maps/api/js?key=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&v=weekly\"\n defer\n \u003e\u003c/script\u003e\n \u003c/body\u003e\n\u003c/html\u003ehttps://github.com/googlemaps/js-samples/blob/2683f7366fb27829401945d2a7e27d77ed2df8e5/dist/samples/deckgl-tripslayer/docs/index.html#L8-L33\n```\n\nTry Sample \n[JSFiddle.net](https://jsfiddle.net/gh/get/library/pure/googlemaps/js-samples/tree/master/dist/samples/deckgl-tripslayer/jsfiddle) [Google Cloud Shell](https://ssh.cloud.google.com/cloudshell/editor?cloudshell_git_repo=https%3A%2F%2Fgithub.com%2Fgooglemaps%2Fjs-samples&cloudshell_git_branch=sample-deckgl-tripslayer&cloudshell_tutorial=cloud_shell_instructions.md&cloudshell_workspace=.)\n\nClone Sample\n\n\nGit and Node.js are required to run this sample locally. Follow these [instructions](https://docs.npmjs.com/downloading-and-installing-node-js-and-npm) to install Node.js and NPM. The following commands clone, install dependencies and start the sample application. \n\n git clone -b sample-deckgl-tripslayer https://github.com/googlemaps/js-samples.git\n cd js-samples\n npm i\n npm start\n\n\nOther samples can be tried by switching to any branch beginning with `sample-`\u003cvar translate=\"no\"\u003eSAMPLE_NAME\u003c/var\u003e. \n\n git checkout sample-\u003cvar translate=\"no\"\u003e\u003cspan class=\"devsite-syntax-nx\"\u003eSAMPLE_NAME\u003c/span\u003e\u003c/var\u003e\n npm i\n npm start"]]
