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151 lines
3.9 KiB
151 lines
3.9 KiB
<!DOCTYPE HTML>
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>Highcharts Example</title>
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<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
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<style type="text/css">
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${demo.css}
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</style>
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<script type="text/javascript">
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$(function () {
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$('#container').highcharts({
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chart: {
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type: 'gauge',
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plotBorderWidth: 1,
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plotBackgroundColor: {
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linearGradient: { x1: 0, y1: 0, x2: 0, y2: 1 },
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stops: [
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[0, '#FFF4C6'],
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[0.3, '#FFFFFF'],
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[1, '#FFF4C6']
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]
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},
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plotBackgroundImage: null,
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height: 200
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},
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title: {
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text: 'VU meter'
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},
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pane: [{
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startAngle: -45,
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endAngle: 45,
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background: null,
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center: ['25%', '145%'],
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size: 300
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}, {
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startAngle: -45,
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endAngle: 45,
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background: null,
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center: ['75%', '145%'],
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size: 300
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}],
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yAxis: [{
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min: -20,
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max: 6,
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minorTickPosition: 'outside',
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tickPosition: 'outside',
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labels: {
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rotation: 'auto',
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distance: 20
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},
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plotBands: [{
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from: 0,
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to: 6,
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color: '#C02316',
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innerRadius: '100%',
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outerRadius: '105%'
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}],
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pane: 0,
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title: {
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text: 'VU<br/><span style="font-size:8px">Channel A</span>',
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y: -40
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}
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}, {
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min: -20,
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max: 6,
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minorTickPosition: 'outside',
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tickPosition: 'outside',
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labels: {
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rotation: 'auto',
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distance: 20
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},
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plotBands: [{
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from: 0,
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to: 6,
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color: '#C02316',
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innerRadius: '100%',
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outerRadius: '105%'
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}],
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pane: 1,
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title: {
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text: 'VU<br/><span style="font-size:8px">Channel B</span>',
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y: -40
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}
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}],
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plotOptions: {
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gauge: {
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dataLabels: {
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enabled: false
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},
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dial: {
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radius: '100%'
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}
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}
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},
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series: [{
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data: [-20],
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yAxis: 0
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}, {
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data: [-20],
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yAxis: 1
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}]
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},
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// Let the music play
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function (chart) {
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setInterval(function () {
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if (chart.series) { // the chart may be destroyed
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var left = chart.series[0].points[0],
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right = chart.series[1].points[0],
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leftVal,
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rightVal,
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inc = (Math.random() - 0.5) * 3;
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leftVal = left.y + inc;
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rightVal = leftVal + inc / 3;
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if (leftVal < -20 || leftVal > 6) {
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leftVal = left.y - inc;
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}
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if (rightVal < -20 || rightVal > 6) {
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rightVal = leftVal;
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}
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left.update(leftVal, false);
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right.update(rightVal, false);
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chart.redraw();
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}
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}, 500);
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});
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});
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</script>
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</head>
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<body>
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<script src="../../js/highcharts.js"></script>
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<script src="../../js/highcharts-more.js"></script>
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<script src="../../js/modules/exporting.js"></script>
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<div id="container" style="width: 600px; height: 300px; margin: 0 auto"></div>
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</body>
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</html>
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