使用纬度/经度的地图



以下是使用纬度和经度的地图示例。我们在 Google 图表配置语法 章节中看到了用于绘制此图表的配置。因此,让我们看看完整的示例。

配置

我们使用了 Map 类来显示基于地图的图表。

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

示例

googlecharts_map_latitude.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" src = "https://www.google.com/jsapi">
      </script>
      <script type = "text/javascript">
         google.charts.load('current', {packages: ['map']});     
      </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([
               ['Lat', 'Long', 'Name'],
               [37.4232, -122.0853, 'Work'],
               [37.4289, -122.1697, 'University'],
               [37.6153, -122.3900, 'Airport'],
               [37.4422, -122.1731, 'Shopping']
            ]);
              
            // Set chart options
            var options = {showTip: true};				

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

结果

验证结果。

googlecharts_maps.htm
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