Hi,
I am new to Google charts.
I'm using Geo Chart with data from backend. I cannot see any error logged 
and chart is not drawn.
Please tell me where am I doing wrong.
Thanks In Advance.

I'm following the example given here. 
https://developers.google.com/chart/interactive/docs/gallery/geochart?hl=en.
The data given is in this format

var data = google.visualization.arrayToDataTable([
        ['City',   'Population', 'Area'],
        ['Rome',      2761477,    1285.31]])


I'm giving data in similar pattern to the data variable. but can't see the 
chart.

    var arr=[];
     
             $.ajax({
                type: 'POST',
                url: "LiveMap",
                dataType: "json",
                success: function (response) {
                    
                   for (var i = 0; i < response.length; i++) {
                       var temp=[];
                      var str=response[i].split(':');
                      temp[0]=str[0];
                      temp[1]=parseInt(str[1]);
                      temp[2]=parseInt(str[2]);
                      
                      arr[i]=temp;
                   }
                }
           
             });
         
         google.load('visualization', '1', {'packages': ['geochart']});
         google.setOnLoadCallback(drawMarkersMap);
    
          function drawMarkersMap() {
              var data = new google.visualization.DataTable();
        data.addColumn("string","City");
        data.addColumn("number","Population");
        data.addColumn("number","Area");
        data.addRows(arr);
          var options = {
            region: 'IT',
            displayMode: 'markers',
            colorAxis: {colors: ['green', 'blue']}
          };
    
          var chart = new 
google.visualization.GeoChart(document.getElementById('chart_div'));
          chart.draw(data, options);
        };
        </script>
      </head>
      <body>
        <div id="chart_div" style="width: 300px; height: 300px;"></div>
      </body>
    </html>
     

The response to ajax call is 

     result.put("Bhopal:300:200");
          result.put("Hyderabad:300:200");
          result.put("Vizag:300:200");
          result.put("Mysore:300:200");
          result.put("Delhi:300:200")

;

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