Where to incorporate that function in following code and please correct the
code if necessary.
<html>
<head>
<script type='text/javascript'
src='https://www.google.com/jsapi'></script>
<script type="text/javascript">
google.load('visualization', '1', {
packages: ['gauge']
});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = google.visualization.arrayToDataTable([
['Label', 'Value'],
*['Flow', 0]*
]);
var options = {
width: 400,
height: 120,
redFrom: 90,
redTo: 100,
yellowFrom: 75,
yellowTo: 90,
minorTicks: 5
};
var chart = new
google.visualization.Gauge(document.getElementById('chart_div'));
chart.draw(data, options);
// dynamic update, randomly assign new values and redraw
*setInterval(function() {*
* var flow = $.ajax({url: 'Gauge.php', dataType: 'text', async:
false}).responseText;*
* data.setValue(0, 1, flow);*
* chart.draw(data, options);*
* }, 5000);*
*
*
*
*
</script>
</head>
<body>
<div id='chart_div'></div>
</body>
</html>
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