Search for up to 200 places with Radar Search

Deprecation notice: Radar Search

Read the documentation or view this example fullscreen.

// This example requires the Places library. Include the libraries=places
// parameter when you first load the API. For example:
// <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&libraries=places">

var map;
var infoWindow;
var service;

function initMap() {
  map = new google.maps.Map(document.getElementById('map'), {
    center: {lat: -33.867, lng: 151.206},
    zoom: 15,
    styles: [{
      stylers: [{ visibility: 'simplified' }]
    }, {
      elementType: 'labels',
      stylers: [{ visibility: 'off' }]
    }]
  });

  infoWindow = new google.maps.InfoWindow();
  service = new google.maps.places.PlacesService(map);

  // The idle event is a debounced event, so we can query & listen without
  // throwing too many requests at the server.
  map.addListener('idle', performSearch);
}

function performSearch() {
  var request = {
    bounds: map.getBounds(),
    keyword: 'best view'
  };
  service.radarSearch(request, callback);
}

function callback(results, status) {
  if (status !== google.maps.places.PlacesServiceStatus.OK) {
    console.error(status);
    return;
  }
  for (var i = 0, result; result = results[i]; i++) {
    addMarker(result);
  }
}

function addMarker(place) {
  var marker = new google.maps.Marker({
    map: map,
    position: place.geometry.location,
    icon: {
      url: 'https://developers.google.com/maps/documentation/javascript/images/circle.png',
      anchor: new google.maps.Point(10, 10),
      scaledSize: new google.maps.Size(10, 17)
    }
  });

  google.maps.event.addListener(marker, 'click', function() {
    var request = {placeId: place.place_id};

    service.getDetails(request, function(result, status) {
      if (status !== google.maps.places.PlacesServiceStatus.OK) {
        console.error(status);
        return;
      }
      infoWindow.setContent(result.name);
      infoWindow.open(map, marker);
    });
  });
}

<div id="map"></div>

/* 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;
}

<!-- Replace the value of the key parameter with your own API key. -->
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk&callback=initMap&libraries=places,visualization" async defer></script>

Try it yourself

Hover at top right of the code block to copy the code or open it in JSFiddle.

<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Search for up to 200 places with Radar Search</title>
    <style>
      /* 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>
      // This example requires the Places library. Include the libraries=places
      // parameter when you first load the API. For example:
      // <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&libraries=places">

      var map;
      var infoWindow;
      var service;

      function initMap() {
        map = new google.maps.Map(document.getElementById('map'), {
          center: {lat: -33.867, lng: 151.206},
          zoom: 15,
          styles: [{
            stylers: [{ visibility: 'simplified' }]
          }, {
            elementType: 'labels',
            stylers: [{ visibility: 'off' }]
          }]
        });

        infoWindow = new google.maps.InfoWindow();
        service = new google.maps.places.PlacesService(map);

        // The idle event is a debounced event, so we can query & listen without
        // throwing too many requests at the server.
        map.addListener('idle', performSearch);
      }

      function performSearch() {
        var request = {
          bounds: map.getBounds(),
          keyword: 'best view'
        };
        service.radarSearch(request, callback);
      }

      function callback(results, status) {
        if (status !== google.maps.places.PlacesServiceStatus.OK) {
          console.error(status);
          return;
        }
        for (var i = 0, result; result = results[i]; i++) {
          addMarker(result);
        }
      }

      function addMarker(place) {
        var marker = new google.maps.Marker({
          map: map,
          position: place.geometry.location,
          icon: {
            url: 'https://developers.google.com/maps/documentation/javascript/images/circle.png',
            anchor: new google.maps.Point(10, 10),
            scaledSize: new google.maps.Size(10, 17)
          }
        });

        google.maps.event.addListener(marker, 'click', function() {
          var request = {placeId: place.place_id};

          service.getDetails(request, function(result, status) {
            if (status !== google.maps.places.PlacesServiceStatus.OK) {
              console.error(status);
              return;
            }
            infoWindow.setContent(result.name);
            infoWindow.open(map, marker);
          });
        });
      }
    </script>
  </head>
  <body>
    <div id="map"></div>
    <script src="https://maps.googleapis.com/maps/api/js?key=YOUR_API_KEY&callback=initMap&libraries=places,visualization" async defer></script>
  </body>
</html>

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 3.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated May 10, 2018.

Search for up to 200 places with Radar Search

Try it yourself

Send feedback about...