Google Charts - Bar chart with data labels



Following is an example of a bar chart with data labels. We've already seen the configuration used to draw this chart in Google Charts Configuration Syntax chapter. So, let's see the complete example.

Configurations

We've used role as annotation configuration to show data labels in bar chart.

var data = google.visualization.arrayToDataTable([
   ['Year', 'Asia', { role: 'annotation'} ,'Europe', { role: 'annotation'}],
   ['2012',  900,'900',      390, '390']
]);

Example

googlecharts_bar_labels.htm

<html>
   <head>
      <title>Google Charts Tutorial</title>
      <script type = "text/javascript" src = "https://www.gstatic.com/charts/loader.js">
      </script>
      <script type = "text/javascript">
         google.charts.load('current', {packages: ['corechart']});     
      </script>
   </head>
   
   <body>
      <div id = "container" style = "width: 550px; height: 400px; margin: 0 auto">
      </div>
      <script language = "JavaScript">
         function drawChart() {
            // Define the chart to be drawn.
            var data = google.visualization.arrayToDataTable([
               ['Year', 'Asia', { role: 'annotation'} ,'Europe', { role: 'annotation'}],
               ['2012',  900,'900',      390, '390'],
               ['2013',  1000,'1000',      400,'400'],
               ['2014',  1170,'1170',      440,'440'],
               ['2015',  1250,'1250',       480,'480'],
               ['2016',  1530,'1530',      540,'540']
            ]);

            var options = {title: 'Population (in millions)', isStacked:'percent'};  

            // Instantiate and draw the chart.
            var chart = new google.visualization.BarChart(document.getElementById('container'));
            chart.draw(data, options);
         }
         google.charts.setOnLoadCallback(drawChart);
      </script>
   </body>
</html>

Result

Verify the result.

googlecharts_bar_charts.htm
Advertisements