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What is Google Map Chart?

  • A Google Map Chart uses Google Maps API to display Map.
  • Data values are displayed as markers on the map. Data values may be coordinates (lat-long pairs) or actual addresses.
  • The map will be scaled accordingly so that it includes all the identified points.

Chart Type:

S.No. Chart Type / Description
1 Basic Map

Basic Google Map

2 Map using Latitude/Longitude

Map having locations specified using Latitude and Longitude

3 Customizing markers

Customized Markers in Map

Named Locations:

  • You can identify the places to put markers by name, as shown below in this map of the top ten countries by population.
  • When the user selects one of the markers, a tooltip with the name and population of the country is displayed, because we used the showInfoWindow option.
  • Also, when the user hovers over one of the markers for a short while, a 'title' tip will show up with the same info, because we used the showTooltip option. Here's the full HTML:
<html>
  <head>
  <script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
  <script>
    google.charts.load('current', { 'packages': ['map'] });
    google.charts.setOnLoadCallback(drawMap);

    function drawMap() {
      var data = google.visualization.arrayToDataTable([
        ['Country', 'Population'],
        ['China', 'China: 1,363,800,000'],
        ['India', 'India: 1,242,620,000'],
        ['US', 'US: 317,842,000'],
        ['Indonesia', 'Indonesia: 247,424,598'],
        ['Brazil', 'Brazil: 201,032,714'],
        ['Pakistan', 'Pakistan: 186,134,000'],
        ['Nigeria', 'Nigeria: 173,615,000'],
        ['Bangladesh', 'Bangladesh: 152,518,015'],
        ['Russia', 'Russia: 146,019,512'],
        ['Japan', 'Japan: 127,120,000']
      ]);

    var options = {
      showTooltip: true,
      showInfoWindow: true
    };

    var map = new google.visualization.Map(document.getElementById('chart_div'));

    map.draw(data, options);
  };
  </script>
  </head>
  <body>
    <div id="chart_div"></div>
  </body>
</html>
Clicking "Copy Code" button to copy the code. From - google charts tutorial - team


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