make polygon in google maps using area name

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I work with google map in that my task is show the area using draw dynamic polygon on map.
This polygon should be draw by given area and city name.

i want output like this map http://www.justdial.com/Vadodara/Four-Wheelz-%3Cnear%3E-Old-Padra-Road/0265PX265-X265-130706174318-V6N1_VmFkb2RhcmEgQ2FyIERlYWxlcnM=_BZDET/map[^]

and for that i try this on but it not work for me so please give me some good code or refernce for doing this task.

Posted 30-Jul-13 20:33pm

Archit Patel

Updated 30-Jul-13 20:35pm

v2

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Archit Patel · Accepted Answer · 2013-08-11T20:21:00

you can use this code just pass the location in query string

HTML

<html>
<head>
    <script>
        function getQueryStrings() {
            var assoc = {};
            var decode = function (s) { return decodeURIComponent(s.replace(/\+/g, " ")); };
            var queryString = location.search.substring(1);
            var keyValues = queryString.split('&');

            for (var i in keyValues) {
                var key = keyValues[i].split('=');
                if (key.length > 1) {
                    assoc[decode(key[0])] = decode(key[1]);
                }
            }

            return assoc;
        }

        var qs = getQueryStrings();
        var myParam = qs["address"];
           var lat = '';
            var lng = '';
             var marker='';
        var geocoder;
        var map;
        function codeAddress() {
            geocoder = new google.maps.Geocoder();
          
            var address = myParam;
            geocoder.geocode({ 'address': address }, function (results, status) {
                if (status == google.maps.GeocoderStatus.OK) {
                    lat = results[0].geometry.location.lat(); //getting the lat
                    lng = results[0].geometry.location.lng(); //getting the lng
                    map.setCenter(results[0].geometry.location);
                    //add the pin point
                     marker = new google.maps.Marker({
                        map: map,
                        position: results[0].geometry.location,
                        animation: google.maps.Animation.DROP,
                        
                    });
                        
                     //add circle in map
                  var draw_circle = null;  // object of google maps polygon for redrawing the circle
                    rad = 800; // convert to meters if in miles
                    if (draw_circle != null) {
                        draw_circle.setMap(null);
                    }
                    draw_circle = new google.maps.Circle({
                        center: map.getCenter(),
                        radius: rad,
                        strokeColor: "#FF0000",
                        strokeOpacity: 0.8,
                        strokeWeight: 2,
                        fillColor: "#FF0000",
                        fillOpacity: 0.10,
                        map: map
                    });
                 //End of  circle in map
      


                    //add the popup on pin point.
                    var infowindow = new google.maps.InfoWindow({
                        content: "<h3 style="font-family:sans-serif;">"+address+"</h3>"
                    });
                    makeInfoWindowEvent(map, infowindow, marker);
                    markers.push(marker);

                    function makeInfoWindowEvent(map, infowindow, marker) {
                        google.maps.event.addListener(marker, 'click', function () {
                            infowindow.open(map, marker);
                        });
                    }
                    google.maps.event.addDomListener(window, 'load', initialize);
                    //End of add the popup on pin point.
                }
                else {
                    alert("Geocode was not successful for the following reason: " + status);
                }
            });


            //plot the map
            var latlng = new google.maps.LatLng(lat, lng);
            var myOptions = {
                zoom: 15,
                center: latlng,
                mapTypeId: google.maps.MapTypeId.ROADMAP
            }
                         map = new google.maps.Map(document.getElementById("map_canvas"), myOptions);
          
   
           }

        window.onload = function () {
            codeAddress();
        }
    </script>
    <style type="text/css">
        body
        {
            margin: 0;
            padding: 0;
        }
    </style>
</head>
<body>
    <script src="http://maps.google.com/maps/api/js?libraries=places®ion=uk&language=en&sensor=true"></script>

    <div id="map_canvas" style="height: 100%; width: 100%; margin: 0em;">
    </div>
</body>
</html>