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Basic Map Types

This example replaces the default map tiles with custom imagery that displays the map's tile coordinates on a series of gray tiles.

Read the documentation.

JavaScript

/*
 * This demo demonstrates how to replace default map tiles with custom imagery.
 * In this case, the CoordMapType displays gray tiles annotated with the tile
 * coordinates.
 *
 * Try panning and zooming the map to see how the coordinates change.
 */

/**
 * @constructor
 * @implements {google.maps.MapType}
 */
function CoordMapType(tileSize) {
  this.tileSize = tileSize;
}

CoordMapType.prototype.maxZoom = 19;
CoordMapType.prototype.name = "Tile #s";
CoordMapType.prototype.alt = "Tile Coordinate Map Type";

CoordMapType.prototype.getTile = function(coord, zoom, ownerDocument) {
  var div = ownerDocument.createElement("div");
  div.innerHTML = coord;
  div.style.width = this.tileSize.width + "px";
  div.style.height = this.tileSize.height + "px";
  div.style.fontSize = "10";
  div.style.borderStyle = "solid";
  div.style.borderWidth = "1px";
  div.style.borderColor = "#AAAAAA";
  div.style.backgroundColor = "#E5E3DF";
  return div;
};

function initMap() {
  var map = new google.maps.Map(document.getElementById("map"), {
    zoom: 10,
    center: { lat: 41.85, lng: -87.65 },
    streetViewControl: false,
    mapTypeId: "coordinate",
    mapTypeControlOptions: {
      mapTypeIds: ["coordinate", "roadmap"],
      style: google.maps.MapTypeControlStyle.DROPDOWN_MENU
    }
  });

  map.addListener("maptypeid_changed", function() {
    var showStreetViewControl = map.getMapTypeId() !== "coordinate";
    map.setOptions({
      streetViewControl: showStreetViewControl
    });
  });

  // Now attach the coordinate map type to the map's registry.
  map.mapTypes.set(
    "coordinate",
    new CoordMapType(new google.maps.Size(256, 256))
  );
}

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>Basic Map Types</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>Basic Map Types</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>
      (function(exports) {
        "use strict";

        /*
         * This demo demonstrates how to replace default map tiles with custom imagery.
         * In this case, the CoordMapType displays gray tiles annotated with the tile
         * coordinates.
         *
         * Try panning and zooming the map to see how the coordinates change.
         */

        /**
         * @constructor
         * @implements {google.maps.MapType}
         */
        function CoordMapType(tileSize) {
          this.tileSize = tileSize;
        }

        CoordMapType.prototype.maxZoom = 19;
        CoordMapType.prototype.name = "Tile #s";
        CoordMapType.prototype.alt = "Tile Coordinate Map Type";

        CoordMapType.prototype.getTile = function(coord, zoom, ownerDocument) {
          var div = ownerDocument.createElement("div");
          div.innerHTML = coord;
          div.style.width = this.tileSize.width + "px";
          div.style.height = this.tileSize.height + "px";
          div.style.fontSize = "10";
          div.style.borderStyle = "solid";
          div.style.borderWidth = "1px";
          div.style.borderColor = "#AAAAAA";
          div.style.backgroundColor = "#E5E3DF";
          return div;
        };

        function initMap() {
          var map = new google.maps.Map(document.getElementById("map"), {
            zoom: 10,
            center: {
              lat: 41.85,
              lng: -87.65
            },
            streetViewControl: false,
            mapTypeId: "coordinate",
            mapTypeControlOptions: {
              mapTypeIds: ["coordinate", "roadmap"],
              style: google.maps.MapTypeControlStyle.DROPDOWN_MENU
            }
          });
          map.addListener("maptypeid_changed", function() {
            var showStreetViewControl = map.getMapTypeId() !== "coordinate";
            map.setOptions({
              streetViewControl: showStreetViewControl
            });
          }); // Now attach the coordinate map type to the map's registry.

          map.mapTypes.set(
            "coordinate",
            new CoordMapType(new google.maps.Size(256, 256))
          );
        }

        exports.CoordMapType = CoordMapType;
        exports.initMap = initMap;
      })((this.window = this.window || {}));
    </script>
  </head>
  <body>
    <div id="map"></div>
  </body>
</html>
(function(exports) { "use strict"; /* * This demo demonstrates how to replace default map tiles with custom imagery. * In this case, the CoordMapType displays gray tiles annotated with the tile * coordinates. * * Try panning and zooming the map to see how the coordinates change. */ /** * @constructor * @implements {google.maps.MapType} */ function CoordMapType(tileSize) { this.tileSize = tileSize; } CoordMapType.prototype.maxZoom = 19; CoordMapType.prototype.name = "Tile #s"; CoordMapType.prototype.alt = "Tile Coordinate Map Type"; CoordMapType.prototype.getTile = function(coord, zoom, ownerDocument) { var div = ownerDocument.createElement("div"); div.innerHTML = coord; div.style.width = this.tileSize.width + "px"; div.style.height = this.tileSize.height + "px"; div.style.fontSize = "10"; div.style.borderStyle = "solid"; div.style.borderWidth = "1px"; div.style.borderColor = "#AAAAAA"; div.style.backgroundColor = "#E5E3DF"; return div; }; function initMap() { var map = new google.maps.Map(document.getElementById("map"), { zoom: 10, center: { lat: 41.85, lng: -87.65 }, streetViewControl: false, mapTypeId: "coordinate", mapTypeControlOptions: { mapTypeIds: ["coordinate", "roadmap"], style: google.maps.MapTypeControlStyle.DROPDOWN_MENU } }); map.addListener("maptypeid_changed", function() { var showStreetViewControl = map.getMapTypeId() !== "coordinate"; map.setOptions({ streetViewControl: showStreetViewControl }); }); // Now attach the coordinate map type to the map's registry. map.mapTypes.set( "coordinate", new CoordMapType(new google.maps.Size(256, 256)) ); } exports.CoordMapType = CoordMapType; exports.initMap = initMap; })((this.window = this.window || {}));
/* 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>Basic Map Types</title> <script src="https://polyfill.io/v3/polyfill.min.js?features=default"></script> <script src="https://maps.googleapis.com/maps/api/js?key=&callback=initMap&libraries=&v=weekly" defer ></script> <!-- jsFiddle will insert css and js --> </head> <body> <div id="map"></div> </body> </html>