Tilt and Rotation

You can programmatically adjust tilt and rotation (heading) on a vector map. In this example, we add some buttons to programmatically adjust tilt and heading.

Understand the code

Setting tilt and heading

  • Call setTilt() to set the tilt angle of the map. Use getTilt() to get the current tilt value.
  • Call setHeading() to set the heading of the map. Use getHeading() to get the current heading value.

TypeScript

function initMap(): void {
  const map = new google.maps.Map(
    document.getElementById("map") as HTMLElement,
    {
      center: {
        lat: 37.7893719,
        lng: -122.3942,
      },
      zoom: 16,
      heading: 320,
      tilt: 47.5,
      mapId: "90f87356969d889c",
    }
  );

  const buttons: [string, string, number, google.maps.ControlPosition][] = [
    ["Rotate Left", "rotate", 20, google.maps.ControlPosition.LEFT_CENTER],
    ["Rotate Right", "rotate", -20, google.maps.ControlPosition.RIGHT_CENTER],
    ["Tilt Down", "tilt", 20, google.maps.ControlPosition.TOP_CENTER],
    ["Tilt Up", "tilt", -20, google.maps.ControlPosition.BOTTOM_CENTER],
  ];

  buttons.forEach(([text, mode, amount, position]) => {
    const controlDiv = document.createElement("div");
    const controlUI = document.createElement("button");

    controlUI.classList.add("ui-button");
    controlUI.innerText = `${text}`;
    controlUI.addEventListener("click", () => {
      adjustMap(mode, amount);
    });
    controlDiv.appendChild(controlUI);
    map.controls[position].push(controlDiv);
  });

  const adjustMap = function (mode: string, amount: number) {
    switch (mode) {
      case "tilt":
        map.setTilt(map.getTilt()! + amount);
        break;
      case "rotate":
        map.setHeading(map.getHeading()! + amount);
        break;
      default:
        break;
    }
  };
}

JavaScript

function initMap() {
  const map = new google.maps.Map(document.getElementById("map"), {
    center: {
      lat: 37.7893719,
      lng: -122.3942,
    },
    zoom: 16,
    heading: 320,
    tilt: 47.5,
    mapId: "90f87356969d889c",
  });
  const buttons = [
    ["Rotate Left", "rotate", 20, google.maps.ControlPosition.LEFT_CENTER],
    ["Rotate Right", "rotate", -20, google.maps.ControlPosition.RIGHT_CENTER],
    ["Tilt Down", "tilt", 20, google.maps.ControlPosition.TOP_CENTER],
    ["Tilt Up", "tilt", -20, google.maps.ControlPosition.BOTTOM_CENTER],
  ];

  buttons.forEach(([text, mode, amount, position]) => {
    const controlDiv = document.createElement("div");
    const controlUI = document.createElement("button");

    controlUI.classList.add("ui-button");
    controlUI.innerText = `${text}`;
    controlUI.addEventListener("click", () => {
      adjustMap(mode, amount);
    });
    controlDiv.appendChild(controlUI);
    map.controls[position].push(controlDiv);
  });

  const adjustMap = function (mode, amount) {
    switch (mode) {
      case "tilt":
        map.setTilt(map.getTilt() + amount);
        break;
      case "rotate":
        map.setHeading(map.getHeading() + amount);
        break;
      default:
        break;
    }
  };
}

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;
}

.ui-button {
  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;
  height: 40px;
  cursor: pointer;
}
.ui-button:hover {
  background: #ebebeb;
}

HTML

<!DOCTYPE html>
<html>
  <head>
    <title>Tilt and Rotation</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&v=beta"
      async
    ></script>
  </body>
</html>
function initMap() { const map = new google.maps.Map(document.getElementById("map"), { center: { lat: 37.7893719, lng: -122.3942, }, zoom: 16, heading: 320, tilt: 47.5, mapId: "90f87356969d889c", }); const buttons = [ ["Rotate Left", "rotate", 20, google.maps.ControlPosition.LEFT_CENTER], ["Rotate Right", "rotate", -20, google.maps.ControlPosition.RIGHT_CENTER], ["Tilt Down", "tilt", 20, google.maps.ControlPosition.TOP_CENTER], ["Tilt Up", "tilt", -20, google.maps.ControlPosition.BOTTOM_CENTER], ]; buttons.forEach(([text, mode, amount, position]) => { const controlDiv = document.createElement("div"); const controlUI = document.createElement("button"); controlUI.classList.add("ui-button"); controlUI.innerText = `${text}`; controlUI.addEventListener("click", () => { adjustMap(mode, amount); }); controlDiv.appendChild(controlUI); map.controls[position].push(controlDiv); }); const adjustMap = function (mode, amount) { switch (mode) { case "tilt": map.setTilt(map.getTilt() + amount); break; case "rotate": map.setHeading(map.getHeading() + amount); break; default: break; } }; }
/* 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; } .ui-button { 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; height: 40px; cursor: pointer; } .ui-button:hover { background: #ebebeb; }
<!DOCTYPE html> <html> <head> <title>Tilt and Rotation</title> <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script> <!-- jsFiddle will insert css and js --> </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=AIzaSyB41DRUbKWJHPxaFjMAwdrzWzbVKartNGg&callback=initMap&v=beta&channel=2" async ></script> </body> </html>

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