javascript - How to create circle around maker when using Google maps MarkerCluster for api v3 -

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i using google maps markercluster api v3 create cluster marker. works well. want use circle around marker , can drag radius of circle.

var markerclusterer = null; var map = null; var imageurl = 'http://chart.apis.google.com/chart?cht=mm&chs=24x32&' +     'chco=ffffff,008cff,000000&ext=.png';  function initialize() {     map = new google.maps.map(document.getelementbyid('map_canvas'), {         zoom: 6,         center: new google.maps.latlng(46.578498, 2.457275),         maptypeid: google.maps.maptypeid.roadmap     });      var markers = [];      var markerimage = new google.maps.markerimage(imageurl, new google.maps.size(24, 32));     (var = 0; < macdolist.length; i++) {          var latlng = new google.maps.latlng(macdolist[i].lat,             macdolist[i].lng);         var marker = new google.maps.marker({             position: latlng,             icon: markerimage         });         markers.push(marker);     }      markerclusterer = new markerclusterer(map, markers, {         maxzoom: 16,         gridsize: 100,         styles: clusterstyles     });   }  function clearclusters(e) {     e.preventdefault();     e.stoppropagation();     markerclusterer.clearmarkers(); }  google.maps.event.adddomlistener(window, 'load', initialize);

anyone can me resolve case?

i create circle successfully. i'd share solution everyone. hope it's useful one.

function initialize() {     map = new google.maps.map(document.getelementbyid('map_canvas'), {         zoom: 6,         center: new google.maps.latlng(46.578498, 2.457275),         maptypeid: google.maps.maptypeid.roadmap     });      var markers = [];      var markerimage = new google.maps.markerimage(imageurl, new google.maps.size(24, 32));     (var = 0; < macdolist.length; i++) {          var latlng = new google.maps.latlng(macdolist[i].lat,             macdolist[i].lng);         var marker = new google.maps.marker({             position: latlng,         icon: markerimage     });      google.maps.event.addlistener(marker, 'click', function(a) {         var drawcircle = new google.maps.circle({             center: new google.maps.latlng(this.position.lat(), this.position.lng()),             editable:true,             radius: 50, // metres             fillcolor: 'yellow'         });         drawcircle.setmap(map);                     //circle.bindto('center', marker, 'position');     });     markers.push(marker); }

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