i was looking at this example
http://code.google.com/apis/visualization/documentation/gallery/gauge.html#Configuration_Options
it shows a smooth animation going from one reading to the next...
how can i get a smooth animation in my code. the following code works
but the needle just jumps to the next value rather than a smooth
movement as in the example above...Thanks
var query = new google.visualization.Query('http://somesite/
temps_data.cfm');
var first=1;
function drawChart(response) {
var data = response.getDataTable();
var chart = new
google.visualization.Gauge(document.getElementById('chart_div'));
var options = {width: 400, height: 200, redFrom: 275, redTo:
300,
yellowFrom:250, yellowTo: 274, greenFrom: 225, greenTo:
249, majorTicks:
["0","50","100","150","200","250","300","350","400"],max:
400,minorTicks:5};
chart.draw(data, options);
}
function init(){
if(first=1){
query.send(drawChart);
first=0;
}
setInterval(function(){
query.send(drawChart);
},5000);
}
google.setOnLoadCallback(init);
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