polarLine2.html
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<html>
<head>
<meta charset="utf-8">
<script src="esl.js"></script>
<script src="config.js"></script>
</head>
<body>
<style>
html, body, #main {
width: 100%;
height: 100%;
}
</style>
<div id="main"></div>
<script>
require([
'echarts',
'echarts/chart/line',
'echarts/component/legend',
'echarts/component/polar',
'echarts/component/tooltip'
], function (echarts) {
var chart = echarts.init(document.getElementById('main'), null, {
renderer: 'canvas'
});
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]);
}
chart.setOption({
legend: {
data: ['line']
},
polar: {},
tooltip: {
trigger: 'axis',
axisPointer: {
type: 'cross'
}
},
angleAxis: {
type: 'value',
startAngle: 0
},
radiusAxis: {
min: 10,
max: 20
},
series: [{
coordinateSystem: 'polar',
name: 'line',
type: 'line',
data: data
}]
});
})
</script>
</body>
</html>