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Watch the CPU and memory gauges for a second. They move dynamically.
The example code shown below does not move the gauges like that (or at least when I tried it in my own project.)
How do I to get it moving dynamically like that?
(Also, will these gauges slow down my site connecting to Google? On the other hand, will it bring up my rankings?)
480
A radial gauge chart has a circular arc and shows a single value that measures progress toward a goal or a Key Performance Indicator (KPI). The line (or needle) represents the goal or target value. The shading represents the progress toward that goal. The value inside the arc represents the progress value.
Pie, line and scatter charts can display a maximum of two dimensions, bar, block and grid charts three.
The example code and the actual demo are different. Try this instead:
<html>
<head>
<script type='text/javascript' src='http://www.google.com/jsapi'></script>
<script type='text/javascript'>
google.load('visualization', '1', {packages:['gauge']});
google.setOnLoadCallback(drawChart);
</script>
</head>
<body>
<div id='chart_div'></div>
<script type="text/javascript">
function Timer(){this.t={};this.tick=function(a,b){this.t[a]=[(new Date).getTime(),b]};this.tick("start")}var loadTimer=new Timer;window.jstiming={Timer:Timer,load:loadTimer};if(window.external&&window.external.pageT)window.jstiming.pt=window.external.pageT;if(window.jstiming)window.jstiming.report=function(g,d){var c="";if(window.jstiming.pt){c+="&srt="+window.jstiming.pt;delete window.jstiming.pt}if(window.external&&window.external.tran)c+="&tran="+window.external.tran;var a=g.t,h=a.start;delete a.start;var i=[],e=[];for(var b in a){if(b.indexOf("_")==0)continue;var f=a[b][1];if(f)a[f][0]&&e.push(b+"."+(a[b][0]-a[f][0]));else h&&i.push(b+"."+(a[b][0]-h[0]))}if(d)for(var j in d)c+="&"+j+"="+d[j];(new Image).src=["http://csi.gstatic.com/csi?v=3","&s=gviz&action=",g.name,e.length?"&it="+e.join(",")+c:c,"&rt=",i.join(",")].join("")};
</script>
<script type="text/javascript">
var csi_timer = new window.jstiming.Timer();
csi_timer.name = 'docs_gauge';
google.setOnLoadCallback(drawChart);
function drawChart() {
csi_timer.tick('load');
var data = new google.visualization.DataTable();
data.addColumn('string', 'Label');
data.addColumn('number', 'Value');
data.addRows(3);
data.setValue(0, 0, 'Memory');
data.setValue(0, 1, 80);
data.setValue(1, 0, 'CPU');
data.setValue(1, 1, 55);
data.setValue(2, 0, 'Network');
data.setValue(2, 1, 68);
csi_timer.tick('data');
var chart = new google.visualization.Gauge(document.getElementById('chart_div'));
csi_timer.tick('new');
var options = {width: 400, height: 120, redFrom: 90, redTo: 100,
yellowFrom:75, yellowTo: 90, minorTicks: 5};
chart.draw(data, options);
csi_timer.tick('draw');
window.jstiming.report(csi_timer);
setInterval(function() {
data.setValue(0, 1, 40 + Math.round(60 * Math.random()));
chart.draw(data, options);
}, 13000);
setInterval(function() {
data.setValue(1, 1, 40 + Math.round(60 * Math.random()));
chart.draw(data, options);
}, 5000);
setInterval(function() {
data.setValue(2, 1, 60 + Math.round(20 * Math.random()));
chart.draw(data, options);
}, 26000);
}
</script>
</body>
</html>
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