效果图
源代码
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>ECharts</title>
<!-- 引入 echarts.js -->
<script src="js/echarts.min.js"></script>
</head>
<body>
<!-- 为ECharts准备一个具备大小（宽高）的Dom -->
<div id="main" ></div>
<script type="text/javascript">
// 基于准备好的dom，初始化echarts实例
var myChart = echarts.init(document.getElementById('main'));
var option;
var data = [];
for(var i = 0; i <= 100; i++) {
var theta = i / 100 * 360;
var r = 5 * (1 + Math.sin(theta / 180 * Math.PI));
data.push([r, theta]);
}
option = {
title: {
text: '极坐标双数值轴'
},
legend: {
data: ['line']
},
polar: {},
tooltip: {
trigger: 'axis',
axisPointer: {
type: 'cross'
}
},
angleAxis: {
type: 'value',
startAngle: 0
},
radiusAxis: {},
series: [{
coordinateSystem: 'polar',
name: 'line',
type: 'line',
data: data
}]
};
myChart.setOption(option);
</script>
</body>
</html>
