Highcharts.chart('container', {
chart: {
type: 'gauge',
alignTicks: false,
plotBackgroundColor: null,
plotBackgroundImage: null,
plotBorderWidth: 0,
plotShadow: false
},
title: {
text: 'Speedometer with dual axes'
},
pane: {
startAngle: -150,
endAngle: 150
},
yAxis: [{
min: 0,
max: 200,
lineColor: '#339',
tickColor: '#339',
minorTickColor: '#339',
offset: -25,
lineWidth: 2,
labels: {
distance: -20,
rotation: 'auto'
},
tickLength: 5,
minorTickLength: 5,
endOnTick: false
}, {
min: 0,
max: 124,
tickPosition: 'outside',
lineColor: '#933',
lineWidth: 2,
minorTickPosition: 'outside',
tickColor: '#933',
minorTickColor: '#933',
tickLength: 5,
minorTickLength: 5,
labels: {
distance: 12,
rotation: 'auto'
},
offset: -20,
endOnTick: false
}],
series: [{
name: 'Speed',
data: [80],
dataLabels: {
formatter: function () {
var kmh = this.y,
mph = Math.round(kmh * 0.621);
return '<span style="color:#339">' + kmh + ' km/h</span><br/>' +
'<span style="color:#933">' + mph + ' mph</span>';
},
backgroundColor: {
linearGradient: {
x1: 0,
y1: 0,
x2: 0,
y2: 1
},
stops: [
[0, '#DDD'],
[1, '#FFF']
]
}
},
tooltip: {
valueSuffix: ' km/h'
}
}]
},
function (chart) {
setInterval(function () {
if (chart.axes) {
var point = chart.series[0].points[0],
newVal,
inc = Math.round((Math.random() - 0.5) * 20);
newVal = point.y + inc;
if (newVal < 0 || newVal > 200) {
newVal = point.y - inc;
}
point.update(newVal);
}
}, 3000);
});