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Ground Overlays

This example creates a ground overlay on top of a map.

Read the documentation.

TypeScript

// This example uses a GroundOverlay to place an image on the map
// showing an antique map of Newark, NJ.

let historicalOverlay;

function initMap(): void {
  const map = new google.maps.Map(
    document.getElementById("map") as HTMLElement,
    {
      zoom: 13,
      center: { lat: 40.74, lng: -74.18 },
    }
  );

  const imageBounds = {
    north: 40.773941,
    south: 40.712216,
    east: -74.12544,
    west: -74.22655,
  };

  historicalOverlay = new google.maps.GroundOverlay(
    "https://www.lib.utexas.edu/maps/historical/newark_nj_1922.jpg",
    imageBounds
  );
  historicalOverlay.setMap(map);
}

JavaScript

// This example uses a GroundOverlay to place an image on the map
// showing an antique map of Newark, NJ.
let historicalOverlay;

function initMap() {
  const map = new google.maps.Map(document.getElementById("map"), {
    zoom: 13,
    center: { lat: 40.74, lng: -74.18 },
  });
  const imageBounds = {
    north: 40.773941,
    south: 40.712216,
    east: -74.12544,
    west: -74.22655,
  };
  historicalOverlay = new google.maps.GroundOverlay(
    "https://www.lib.utexas.edu/maps/historical/newark_nj_1922.jpg",
    imageBounds
  );
  historicalOverlay.setMap(map);
}

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

<!DOCTYPE html>
<html>
  <head>
    <title>Ground Overlays</title>
    <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script>
    <script
      src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap&libraries=&v=weekly"
      defer
    ></script>
    <link rel="stylesheet" type="text/css" href="./style.css" />
    <script src="./app.js"></script>
  </head>
  <body>
    <div id="map"></div>
  </body>
</html>

All

<!DOCTYPE html>
<html>
  <head>
    <title>Ground Overlays</title>
    <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script>
    <script
      src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap&libraries=&v=weekly"
      defer
    ></script>
    <style type="text/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;
      }
    </style>
    <script>
      "use strict";

      // This example uses a GroundOverlay to place an image on the map
      // showing an antique map of Newark, NJ.
      let historicalOverlay;

      function initMap() {
        const map = new google.maps.Map(document.getElementById("map"), {
          zoom: 13,
          center: {
            lat: 40.74,
            lng: -74.18,
          },
        });
        const imageBounds = {
          north: 40.773941,
          south: 40.712216,
          east: -74.12544,
          west: -74.22655,
        };
        historicalOverlay = new google.maps.GroundOverlay(
          "https://www.lib.utexas.edu/maps/historical/newark_nj_1922.jpg",
          imageBounds
        );
        historicalOverlay.setMap(map);
      }
    </script>
  </head>
  <body>
    <div id="map"></div>
  </body>
</html>
"use strict"; // This example uses a GroundOverlay to place an image on the map // showing an antique map of Newark, NJ. let historicalOverlay; function initMap() { const map = new google.maps.Map(document.getElementById("map"), { zoom: 13, center: { lat: 40.74, lng: -74.18, }, }); const imageBounds = { north: 40.773941, south: 40.712216, east: -74.12544, west: -74.22655, }; historicalOverlay = new google.maps.GroundOverlay( "https://www.lib.utexas.edu/maps/historical/newark_nj_1922.jpg", imageBounds ); historicalOverlay.setMap(map); }
/* 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; }
<!DOCTYPE html> <html> <head> <title>Ground Overlays</title> <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script> <script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyBIwzALxUPNbatRBj3Xi1Uhp0fFzwWNBkE&callback=initMap&libraries=&v=weekly" defer ></script> <!-- jsFiddle will insert css and js --> </head> <body> <div id="map"></div> </body> </html>

Create a starter application from sample

A skeleton starter application using TypeScript, Webpack, and Babel can be generated from this sample using one of the methods below.

Run Locally

Node.js is required to run this sample locally. Follow these instructions to install Node.js and NPM.

npm i -g '@googlemaps/js-samples'
googlemaps-js-samples init groundoverlay-simple DESTINATION_FOLDER

Run in Google Cloud Shell

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Run in Cloud Shell