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
HTML
<!DOCTYPE html>
<html>
<head>
<title>Overlaying an Image Map Type</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>Overlaying an Image Map Type</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";
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>
</body>
</html>
"use strict";
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);
}
/* 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>Overlaying an Image Map Type</title>
<script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script>
<script
src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCb1xprYSpXd0q_yDsJ1W2UGhfl9_YGKU0&callback=initMap&libraries=&v=weekly"
defer
></script>
<!-- jsFiddle will insert css and js -->
</head>
<body>
<div id="map"></div>
</body>
</html>