This example uses image tiles to overlay an image that represents the interior of a building onto the map.
Read the documentation.
TypeScript
function initMap(): void { const map = new google.maps.Map( document.getElementById("map") as HTMLElement, { zoom: 18, center: { lat: 37.783, lng: -122.403 }, } ); const bounds: Record<number, [[number, number], [number, number]]> = { 17: [ [20969, 20970], [50657, 50658], ], 18: [ [41939, 41940], [101315, 101317], ], 19: [ [83878, 83881], [202631, 202634], ], 20: [ [167757, 167763], [405263, 405269], ], }; const imageMapType = new google.maps.ImageMapType({ getTileUrl: function (coord, zoom) { if ( zoom < 17 || zoom > 20 || bounds[zoom][0][0] > coord.x || coord.x > bounds[zoom][0][1] || bounds[zoom][1][0] > coord.y || coord.y > bounds[zoom][1][1] ) { return ""; } return [ "https://www.gstatic.com/io2010maps/tiles/5/L2_", zoom, "_", coord.x, "_", coord.y, ".png", ].join(""); }, tileSize: new google.maps.Size(256, 256), }); map.overlayMapTypes.push(imageMapType); }
JavaScript
function initMap() { const map = new google.maps.Map(document.getElementById("map"), { zoom: 18, center: { lat: 37.783, lng: -122.403 }, }); const bounds = { 17: [ [20969, 20970], [50657, 50658], ], 18: [ [41939, 41940], [101315, 101317], ], 19: [ [83878, 83881], [202631, 202634], ], 20: [ [167757, 167763], [405263, 405269], ], }; const imageMapType = new google.maps.ImageMapType({ getTileUrl: function (coord, zoom) { if ( zoom < 17 || zoom > 20 || bounds[zoom][0][0] > coord.x || coord.x > bounds[zoom][0][1] || bounds[zoom][1][0] > coord.y || coord.y > bounds[zoom][1][1] ) { return ""; } return [ "https://www.gstatic.com/io2010maps/tiles/5/L2_", zoom, "_", coord.x, "_", coord.y, ".png", ].join(""); }, tileSize: new google.maps.Size(256, 256), }); map.overlayMapTypes.push(imageMapType); }
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>Overlaying an Image Map Type</title> <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script> <link rel="stylesheet" type="text/css" href="./style.css" /> <script src="./index.js"></script> </head> <body> <div id="map"></div> <!-- Async script executes immediately and must be after any DOM elements used in callback. --> <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap&libraries=&v=weekly" async ></script> </body> </html>
All
<!DOCTYPE html> <html> <head> <title>Overlaying an Image Map Type</title> <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></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> function initMap() { const map = new google.maps.Map(document.getElementById("map"), { zoom: 18, center: { lat: 37.783, lng: -122.403 }, }); const bounds = { 17: [ [20969, 20970], [50657, 50658], ], 18: [ [41939, 41940], [101315, 101317], ], 19: [ [83878, 83881], [202631, 202634], ], 20: [ [167757, 167763], [405263, 405269], ], }; const imageMapType = new google.maps.ImageMapType({ getTileUrl: function (coord, zoom) { if ( zoom < 17 || zoom > 20 || bounds[zoom][0][0] > coord.x || coord.x > bounds[zoom][0][1] || bounds[zoom][1][0] > coord.y || coord.y > bounds[zoom][1][1] ) { return ""; } return [ "https://www.gstatic.com/io2010maps/tiles/5/L2_", zoom, "_", coord.x, "_", coord.y, ".png", ].join(""); }, tileSize: new google.maps.Size(256, 256), }); map.overlayMapTypes.push(imageMapType); } </script> </head> <body> <div id="map"></div> <!-- Async script executes immediately and must be after any DOM elements used in callback. --> <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap&libraries=&v=weekly" async ></script> </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.
npx @googlemaps/js-samples init maptype-image-overlay DESTINATION_FOLDER
Run in Google Cloud Shell
Google Cloud Shell is an interactive shell environment for Google Cloud Platform that makes it easy for you to learn and experiment with GCP and manage your projects and resources from your web browser.
Run in Cloud Shell