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Displaying Text Directions With setPanel()

This example demonstrates the use of the DirectionsRenderer object to display a directions panel.

Select a new start and end point to see the directions render on the map and inside the directions panel to the right of the map.

Read the documentation.

TypeScript

function initMap(): void {
  const directionsRenderer = new google.maps.DirectionsRenderer();
  const directionsService = new google.maps.DirectionsService();
  const map = new google.maps.Map(
    document.getElementById("map") as HTMLElement,
    {
      zoom: 7,
      center: { lat: 41.85, lng: -87.65 },
      disableDefaultUI: true,
    }
  );

  directionsRenderer.setMap(map);
  directionsRenderer.setPanel(
    document.getElementById("sidebar") as HTMLElement
  );

  const control = document.getElementById("floating-panel") as HTMLElement;

  map.controls[google.maps.ControlPosition.TOP_CENTER].push(control);

  const onChangeHandler = function () {
    calculateAndDisplayRoute(directionsService, directionsRenderer);
  };

  (document.getElementById("start") as HTMLElement).addEventListener(
    "change",
    onChangeHandler
  );
  (document.getElementById("end") as HTMLElement).addEventListener(
    "change",
    onChangeHandler
  );
}

function calculateAndDisplayRoute(
  directionsService: google.maps.DirectionsService,
  directionsRenderer: google.maps.DirectionsRenderer
) {
  const start = (document.getElementById("start") as HTMLInputElement).value;
  const end = (document.getElementById("end") as HTMLInputElement).value;

  directionsService
    .route({
      origin: start,
      destination: end,
      travelMode: google.maps.TravelMode.DRIVING,
    })
    .then((response) => {
      directionsRenderer.setDirections(response);
    })
    .catch((e) => window.alert("Directions request failed due to " + status));
}

declare global {
  interface Window {
    initMap: () => void;
  }
}
window.initMap = initMap;index.ts

JavaScript

function initMap() {
  const directionsRenderer = new google.maps.DirectionsRenderer();
  const directionsService = new google.maps.DirectionsService();
  const map = new google.maps.Map(document.getElementById("map"), {
    zoom: 7,
    center: { lat: 41.85, lng: -87.65 },
    disableDefaultUI: true,
  });

  directionsRenderer.setMap(map);
  directionsRenderer.setPanel(document.getElementById("sidebar"));

  const control = document.getElementById("floating-panel");

  map.controls[google.maps.ControlPosition.TOP_CENTER].push(control);

  const onChangeHandler = function () {
    calculateAndDisplayRoute(directionsService, directionsRenderer);
  };

  document.getElementById("start").addEventListener("change", onChangeHandler);
  document.getElementById("end").addEventListener("change", onChangeHandler);
}

function calculateAndDisplayRoute(directionsService, directionsRenderer) {
  const start = document.getElementById("start").value;
  const end = document.getElementById("end").value;

  directionsService
    .route({
      origin: start,
      destination: end,
      travelMode: google.maps.TravelMode.DRIVING,
    })
    .then((response) => {
      directionsRenderer.setDirections(response);
    })
    .catch((e) => window.alert("Directions request failed due to " + status));
}

window.initMap = initMap;index.js

CSS

/* Optional: Makes the sample page fill the window. */
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

#container {
  height: 100%;
  display: flex;
}

#sidebar {
  flex-basis: 15rem;
  flex-grow: 1;
  padding: 1rem;
  max-width: 30rem;
  height: 100%;
  box-sizing: border-box;
  overflow: auto;
}

#map {
  flex-basis: 0;
  flex-grow: 4;
  height: 100%;
}

#floating-panel {
  position: absolute;
  top: 10px;
  left: 25%;
  z-index: 5;
  background-color: #fff;
  padding: 5px;
  border: 1px solid #999;
  text-align: center;
  font-family: "Roboto", "sans-serif";
  line-height: 30px;
  padding-left: 10px;
}

#floating-panel {
  background-color: #fff;
  border: 0;
  border-radius: 2px;
  box-shadow: 0 1px 4px -1px rgba(0, 0, 0, 0.3);
  margin: 10px;
  padding: 0 0.5em;
  font: 400 18px Roboto, Arial, sans-serif;
  overflow: hidden;
  padding: 5px;
  font-size: 14px;
  text-align: center;
  line-height: 30px;
  height: auto;
}

#map {
  flex: auto;
}

#sidebar {
  flex: 0 1 auto;
  padding: 0;
}
#sidebar > div {
  padding: 0.5rem;
}
style.css

HTML

<html>
  <head>
    <title>Displaying Text Directions With setPanel()</title>

    <link rel="stylesheet" type="text/css" href="./style.css" />
    <script type="module" src="./index.js"></script>
  </head>
  <body>
    <div id="floating-panel">
      <strong>Start:</strong>
      <select id="start">
        <option value="chicago, il">Chicago</option>
        <option value="st louis, mo">St Louis</option>
        <option value="joplin, mo">Joplin, MO</option>
        <option value="oklahoma city, ok">Oklahoma City</option>
        <option value="amarillo, tx">Amarillo</option>
        <option value="gallup, nm">Gallup, NM</option>
        <option value="flagstaff, az">Flagstaff, AZ</option>
        <option value="winona, az">Winona</option>
        <option value="kingman, az">Kingman</option>
        <option value="barstow, ca">Barstow</option>
        <option value="san bernardino, ca">San Bernardino</option>
        <option value="los angeles, ca">Los Angeles</option>
      </select>
      <br />
      <strong>End:</strong>
      <select id="end">
        <option value="chicago, il">Chicago</option>
        <option value="st louis, mo">St Louis</option>
        <option value="joplin, mo">Joplin, MO</option>
        <option value="oklahoma city, ok">Oklahoma City</option>
        <option value="amarillo, tx">Amarillo</option>
        <option value="gallup, nm">Gallup, NM</option>
        <option value="flagstaff, az">Flagstaff, AZ</option>
        <option value="winona, az">Winona</option>
        <option value="kingman, az">Kingman</option>
        <option value="barstow, ca">Barstow</option>
        <option value="san bernardino, ca">San Bernardino</option>
        <option value="los angeles, ca">Los Angeles</option>
      </select>
    </div>
    <div id="container">
      <div id="map"></div>
      <div id="sidebar"></div>
    </div>
    <div style="display: none">
      <div id="floating-panel">
        <strong>Start:</strong>
        <select id="start">
          <option value="chicago, il">Chicago</option>
          <option value="st louis, mo">St Louis</option>
          <option value="joplin, mo">Joplin, MO</option>
          <option value="oklahoma city, ok">Oklahoma City</option>
          <option value="amarillo, tx">Amarillo</option>
          <option value="gallup, nm">Gallup, NM</option>
          <option value="flagstaff, az">Flagstaff, AZ</option>
          <option value="winona, az">Winona</option>
          <option value="kingman, az">Kingman</option>
          <option value="barstow, ca">Barstow</option>
          <option value="san bernardino, ca">San Bernardino</option>
          <option value="los angeles, ca">Los Angeles</option>
        </select>
        <br />
        <strong>End:</strong>
        <select id="end">
          <option value="chicago, il">Chicago</option>
          <option value="st louis, mo">St Louis</option>
          <option value="joplin, mo">Joplin, MO</option>
          <option value="oklahoma city, ok">Oklahoma City</option>
          <option value="amarillo, tx">Amarillo</option>
          <option value="gallup, nm">Gallup, NM</option>
          <option value="flagstaff, az">Flagstaff, AZ</option>
          <option value="winona, az">Winona</option>
          <option value="kingman, az">Kingman</option>
          <option value="barstow, ca">Barstow</option>
          <option value="san bernardino, ca">San Bernardino</option>
          <option value="los angeles, ca">Los Angeles</option>
        </select>
      </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>index.html

Try Sample

JSFiddle.net Google Cloud Shell

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 -b sample-directions-panel https://github.com/googlemaps/js-samples.git
  cd js-samples
  npm i
  npm start

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

  git checkout sample-SAMPLE_NAME
  npm i
  npm start