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Variable Radius Pie Chart

Individual radii for each slice

Each slice in pie series can have individual radius value, coming directly from data.

Related tutorials

Demo source

<!-- Styles -->
<style>
#chartdiv {
  width: 100%;
  height: 500px;
}
</style>

<!-- Resources -->
<script src="https://cdn.amcharts.com/lib/5/index.js"></script>
<script src="https://cdn.amcharts.com/lib/5/percent.js"></script>
<script src="https://cdn.amcharts.com/lib/5/themes/Animated.js"></script>

<!-- Chart code -->
<script>
am5.ready(function() {

// Create root element
// https://www.amcharts.com/docs/v5/getting-started/#Root_element
var root = am5.Root.new("chartdiv");


// Set themes
// https://www.amcharts.com/docs/v5/concepts/themes/
root.setThemes([
  am5themes_Animated.new(root)
]);


// Create chart
// https://www.amcharts.com/docs/v5/charts/percent-charts/pie-chart/
var chart = root.container.children.push(am5percent.PieChart.new(root, {
  layout: root.verticalLayout
}));


// Create series
// https://www.amcharts.com/docs/v5/charts/percent-charts/pie-chart/#Series
var series = chart.series.push(am5percent.PieSeries.new(root, {
  alignLabels: true,
  calculateAggregates: true,
  valueField: "value",
  categoryField: "category"
}));

series.slices.template.setAll({
  strokeWidth: 3,
  stroke: am5.color(0xffffff)
});

series.labelsContainer.set("paddingTop", 30)


// Set up adapters for variable slice radius
// https://www.amcharts.com/docs/v5/concepts/settings/adapters/
series.slices.template.adapters.add("radius", function (radius, target) {
  var dataItem = target.dataItem;
  var high = series.getPrivate("valueHigh");

  if (dataItem) {
    var value = target.dataItem.get("valueWorking", 0);
    return radius * value / high
  }
  return radius;
});


// Set data
// https://www.amcharts.com/docs/v5/charts/percent-charts/pie-chart/#Setting_data
series.data.setAll([{
  value: 10,
  category: "One"
}, {
  value: 9,
  category: "Two"
}, {
  value: 6,
  category: "Three"
}, {
  value: 5,
  category: "Four"
}, {
  value: 4,
  category: "Five"
}, {
  value: 3,
  category: "Six"
}]);


// Create legend
// https://www.amcharts.com/docs/v5/charts/percent-charts/legend-percent-series/
var legend = chart.children.push(am5.Legend.new(root, {
  centerX: am5.p50,
  x: am5.p50,
  marginTop: 15,
  marginBottom: 15
}));

legend.data.setAll(series.dataItems);


// Play initial series animation
// https://www.amcharts.com/docs/v5/concepts/animations/#Animation_of_series
series.appear(1000, 100);

}); // end am5.ready()
</script>

<!-- HTML -->
<div id="chartdiv"></div>