Google 图表 - 带标签的气泡图



以下是气泡图带数据标签的示例。气泡图用来可视化一个有 2 到 4 个维度的数据集。前两个维度可视化为坐标,第三个维度可视化为颜色,第四个维度可视化为尺寸。我们在 Google 图表配置语法 章节中已经了解了用于绘制此图表的配置。因此,我们来看一个完整示例。

配置

我们使用了 BubbleChart 类来显示基于气泡的图表。

//area chart
var chart = new google.visualization.BubbleChart(document.getElementById('container'));

示例

googlecharts_bubble_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 = new google.visualization.DataTable();
            data.addColumn('string', 'Id');
            data.addColumn('number', 'Age');
            data.addColumn('number', 'Weight');
            data.addRows([
               [ 'Robert', 8,      12],
               [ 'Mohan', 4,      5.5],
               [ 'Ramesh', 11,     14],
               [ 'Julie', 4,      5],
               [ 'Sohan', 3,      3.5],
               [ 'Karim', 6.5,    7]
            ]);
               
            // Set chart options
            var options = {'title':'Age vs Weight', 'width':550, 'height':400};

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

结果

验证结果。

googlecharts_bubble_charts.htm
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