Hi guys,
I'm new to the visualization API and I've searched for information on this
prior to posting.
I'm plotting the graph below, but am looking to add additional information
to the tooltip that is shown when a user hovers over a point.
So for example, instead of the tooltip just showing:
"*Jan*
2011: *104.0*"
I would like the tooltip to display something like:
"*Jan*
2011: *104.0*
*Notes:*
The reason why the figure is 104.0 is because of X, Y, Z..."
Any help or guidance is very much appreciated.
Thanks
Brian
*CODE*
<html>
<head>
<script type="text/javascript"
src="https://www.google.com/jsapi";></script>
<script type="text/javascript">
google.load("visualization", "1", {packages:["corechart"]});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
['Month', '2011', '2012', '2013', '2014'],
['Jan', 104.0, 107.6, 111.0, 133.6],
['Feb', 109.7, 106.3, 111.0, 133.5],
['Mar', 108.8, 106.0, 114.5, 131.5],
['Apr', 110.4, 96.7, 120.6, 128.7],
['May', 109.7, 95.1, 124.7, 123.9],
['Jun', 109.7, 94.9, 126.6, 121.5],
['Jul', 109.0, 91.8, 130.3, null],
['Aug', 106.9, 98.0, 133.5, null],
['Sep', 107.0, 104.9, 133.7, null],
['Oct', 107.6, 106.4, 131.1, null],
['Nov', 108.3, 109.1, 131.9, null],
['Dec', 107.6, 111.1, 133.6, null]
]);
var options = {
title: 'Draft Graph'
};
var chart = new
google.visualization.LineChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
</script>
</head>
<body>
<div id="chart_div" style="width: 900px; height: 500px;"></div>
</body>
</html>
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