markdown amCharts V4：嵌套饼图

Posted 2021-05-06

@import url("https://fonts.googleapis.com/css?family=Archivo+Narrow");

body {
  font-family: "Archivo Narrow";
}

#chartdiv {
  width: 100%;
  height: 400px;
}

/**
 * --------------------------------------------------------
 * This demo was created using amCharts V4 preview release.
 * 
 * V4 is the latest installement in amCharts data viz
 * library family, to be released in the first half of
 * 2018.
 *
 * For more information and documentation visit:
 * https://www.amcharts.com/docs/v4/
 * --------------------------------------------------------
 */

// Set theme
amcharts4.useTheme(amcharts4.themes.animated);

// Create chart instance
var chart = amcharts4.create("chartdiv", amcharts4.pie.PieChart);

// Let's cut a hole in our Pie chart the size of 40% the radius
chart.innerRadius = amcharts4.percent(40);

// Add data
chart.data = [{
  "country": "Lithuania",
  "litres": 501.9,
  "bottles": 1500
}, {
  "country": "Czech Republic",
  "litres": 301.9,
  "bottles": 990
}, {
  "country": "Ireland",
  "litres": 201.1,
  "bottles": 785
}, {
  "country": "Germany",
  "litres": 165.8,
  "bottles": 255
}, {
  "country": "Australia",
  "litres": 139.9,
  "bottles": 452
}, {
  "country": "Austria",
  "litres": 128.3,
  "bottles": 332
}, {
  "country": "UK",
  "litres": 99,
  "bottles": 150
}, {
  "country": "Belgium",
  "litres": 60,
  "bottles": 178
}, {
  "country": "The Netherlands",
  "litres": 50,
  "bottles": 50
}];

// Add and configure Series
var pieSeries = chart.series.push(new amcharts4.pie.PieSeries());
pieSeries.dataFields.value = "litres";
pieSeries.dataFields.category = "country";
pieSeries.slices.template.stroke = amcharts4.color("#fff");
pieSeries.slices.template.strokeWidth = 2;
pieSeries.slices.template.strokeOpacity = 1;

// Disabling labels and ticks on inner circle
pieSeries.labels.template.disabled = true;
pieSeries.ticks.template.disabled = true;

// Disable sliding out of slices
pieSeries.slices.template.states.getKey("hover").properties.shiftRadius = 0;
pieSeries.slices.template.states.getKey("hover").properties.scale = 0.9;

// Add second series
var pieSeries2 = chart.series.push(new amcharts4.pie.PieSeries());
pieSeries2.dataFields.value = "bottles";
pieSeries2.dataFields.category = "country";
pieSeries2.slices.template.stroke = amcharts4.color("#fff");
pieSeries2.slices.template.strokeWidth = 2;
pieSeries2.slices.template.strokeOpacity = 1;
pieSeries2.slices.template.states.getKey("hover").properties.shiftRadius = 0;
pieSeries2.slices.template.states.getKey("hover").properties.scale = 1.1;

<script src="https://www.amcharts.com/lib/4/amcharts.js"></script>
<script src="https://www.amcharts.com/lib/4/pie.js"></script>
<script src="//www.amcharts.com/lib/4/themes/animated.js"></script>
<div id="chartdiv"></div>

amCharts V4:  Nested Pie chart
------------------------------


A [Pen](https://codepen.io/harunpehlivan/pen/GxeMyG) by [HARUN PEHLİVAN](https://codepen.io/harunpehlivan) on [CodePen](https://codepen.io).

[License](https://codepen.io/harunpehlivan/pen/GxeMyG/license).