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