<!DOCTYPE html>
<html lang="en-US">
<head>
<script src="https://www.gstatic.com/charts/loader.js"></script>
</head>
<body>
<div id="point">
</div>
<script>
google.charts.load('current', {'packages':['sankey']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var data = new google.visualization.DataTable();
data.addColumn('string', 'From');
data.addColumn('string', 'To');
data.addColumn('number', 'Weight');
data.addRows([
[ 'A', 'X', 5 ],
[ 'A', 'Y', 7 ],
[ 'A', 'Z', 6 ],
[ 'B', 'X', 2 ],
[ 'B', 'Y', 9 ],
[ 'B', 'Z', 4 ]
]);
var colors = ['#a6cee3', '#b2df8a', '#fb9a99', '#fdbf6f',
'#cab2d6', '#ffff99', '#1f78b4', '#33a02c']
// Sets chart options.
var options = {
height: 400,
width: 600,
sankey: {
node: {
colors: colors
},
link: {
colorMode: 'gradient',
colors: colors
}
}
};
// Instantiates and draws our chart, passing in some options.
var chart = new google.visualization.Sankey(document.getElementById('point'));
chart.draw(data, options);
}
</script> </body>
</html>