Highcharts - 双轴车速表
以下实例演示了双轴车速表。
我们在前面的章节已经了解了 Highcharts 基本配置语法。接下来让我们来看下其他的配置。
配置
chart.type 配置
配置 chart 的 type 为 'gauge' 。chart.type 描述了图表类型。默认值为 "line"。
var chart = {
type: 'guage'
};
pane 配置
pane 只适用在极坐标图和角度测量仪。此可配置对象持有组合x轴和y周的常规选项。每个x轴和y轴都可以通过索引关联到窗格中。
var pane = {
startAngle: -150, // x轴或测量轴的开始度数，以度数的方式给出。0是北
endAngle: 150 //x轴极坐标或角度轴的最终度数，以度数的方式给出。0是北
};
示例
文件名:highcharts_guage_dualaxes.htm
<html>
<head>
<title>Highcharts 教程</title>
<script src = "https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<script src = "https://code.highcharts.com/highcharts.js"></script>
<script src = "https://code.highcharts.com/highcharts-more.js"></script>
</head>
<body>
<div id = "container" style = "width: 550px; height: 400px; margin: 0 auto"></div>
<script language = "JavaScript">
$(document).ready(function() {
var chart = {
type: 'gauge',
plotBackgroundColor: null,
plotBackgroundImage: null,
plotBorderWidth: 0,
plotShadow: false
};
var credits = {
enabled: false
};
var title = {
text: '双轴车速表'
};
var pane = {
startAngle: -150,
endAngle: 150
};
// the value axis
var 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
}
];
var 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'
}
}
];
var json = {};
json.chart = chart;
json.credits = credits;
json.title = title;
json.pane = pane;
json.yAxis = yAxis;
json.series = series;
// Add some life
var chartFunction = function (chart) {
setInterval(function () {
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);
};
$('#container').highcharts(json, chartFunction);
});
</script>
</body>
</html>
以上图表实例的输出结果
❮ highcharts_angular_gauges.html
