Data Label in React 3D Circular Chart component

19 Mar 202424 minutes to read

A data label refers to a label associated with specific data points. It can be added to a 3D Circular Chart series by enabling the visible option in the dataLabel property. By default, the labels will arrange themselves smartly to avoid overlapping.

import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData = [
    { x: 'Chrome', y: 62.92 },
    { x: 'Internet Explorer', y: 6.12 },
    { x: 'Opera', y: 3.15 },
    { x: 'Edge', y: 5.5 },
    { x: 'Safari', y: 19.97 },
    { x: 'Others', y: 2.34 },
  ];
  return (
    <CircularChart3DComponent
      id="charts"
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject
        services={[
          PieSeries3D,
          CircularChartDataLabel3D,
        ]}
      />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));
import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData: any[] = [
    { x: 'Chrome', y: 62.92 },
    { x: 'Internet Explorer', y: 6.12 },
    { x: 'Opera', y: 3.15 },
    { x: 'Edge', y: 5.5 },
    { x: 'Safari', y: 19.97 },
    { x: 'Others', y: 2.34 },
  ];
  return (
    <CircularChart3DComponent
      id="charts"
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject
        services={[
          PieSeries3D,
          CircularChartDataLabel3D,
        ]}
      />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));

To use the data label feature, inject the CircularChartDataLabel3D module into the services.

Positioning

Using the position property, we can place the data label either inside or outside the 3D Circular Chart.

import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData = [
    { x: 'Chrome', y: 62.92 },
    { x: 'Internet Explorer', y: 6.12 },
    { x: 'Opera', y: 3.15 },
    { x: 'Edge', y: 5.5 },
    { x: 'Safari', y: 19.97 },
    { x: 'Others', y: 2.34 },
  ];
  return (
    <CircularChart3DComponent
      id="charts"
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject
        services={[
          PieSeries3D,
          CircularChartDataLabel3D,
        ]}
      />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            position: 'Outside'
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));
import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData: any[] = [
    { x: 'Chrome', y: 62.92 },
    { x: 'Internet Explorer', y: 6.12 },
    { x: 'Opera', y: 3.15 },
    { x: 'Edge', y: 5.5 },
    { x: 'Safari', y: 19.97 },
    { x: 'Others', y: 2.34 },
  ];
  return (
    <CircularChart3DComponent
      id="charts"
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject
        services={[
          PieSeries3D,
          CircularChartDataLabel3D,
        ]}
      />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            position: 'Outside'
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));

Data label template

The label content can be formatted using the template option. Inside the template, placeholder text ${point.x} and ${point.y can be added to display the corresponding data point’s x & y value. The data label template can be set using the template property.

import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData = [
    { x: 'Chrome', y: 62.92, text: 'Chrome: 40%' },
    { x: 'Internet Explorer', y: 6.12, text: 'Chrome: 15%' },
    { x: 'Opera', y: 3.15, text: 'Chrome: 8%' },
    { x: 'Edge', y: 5.5, text: 'Chrome: 15%' },
    { x: 'Safari', y: 19.97, text: 'Chrome: 20%' },
    { x: 'Others', y: 2.34, text: 'Chrome: 2%' },
  ];
  return (
    <CircularChart3DComponent
      id="charts"
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject
        services={[
          PieSeries3D,
          CircularChartDataLabel3D,
        ]}
      />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            position: 'Outside',
            template: '${point.x}: ${point.y}'
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));
import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData: any[] = [
    { x: 'Chrome', y: 62.92, text: 'Chrome: 40%' },
    { x: 'Internet Explorer', y: 6.12, text: 'Chrome: 15%' },
    { x: 'Opera', y: 3.15, text: 'Chrome: 8%' },
    { x: 'Edge', y: 5.5, text: 'Chrome: 15%' },
    { x: 'Safari', y: 19.97, text: 'Chrome: 20%' },
    { x: 'Others', y: 2.34, text: 'Chrome: 2%' },
  ];
  return (
    <CircularChart3DComponent
      id="charts"
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject
        services={[
          PieSeries3D,
          CircularChartDataLabel3D,
        ]}
      />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            position: 'Outside',
            template: '${point.x}: ${point.y}'
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));

Connector line

The connector line will be visible when the data label is placed outside the chart. It can be customized using properties such as color, width, length, and dashArray within the connectorStyle property.

import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData = [
    { x: 'Chrome', y: 62.92, text: 'Chrome: 40%' },
    { x: 'Internet Explorer', y: 6.12, text: 'Chrome: 15%' },
    { x: 'Opera', y: 3.15, text: 'Chrome: 8%' },
    { x: 'Edge', y: 5.5, text: 'Chrome: 15%' },
    { x: 'Safari', y: 19.97, text: 'Chrome: 20%' },
    { x: 'Others', y: 2.34, text: 'Chrome: 2%' },
  ];
  return (
    <CircularChart3DComponent
      id="charts"
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject services={[PieSeries3D, CircularChartDataLabel3D]} />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            position: 'Outside',
            connectorStyle: { length: '30px', color: 'red', dashArray: '2.45', width: 2 },
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));
import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData: any[] = [
    { x: 'Chrome', y: 62.92, text: 'Chrome: 40%' },
    { x: 'Internet Explorer', y: 6.12, text: 'Chrome: 15%' },
    { x: 'Opera', y: 3.15, text: 'Chrome: 8%' },
    { x: 'Edge', y: 5.5, text: 'Chrome: 15%' },
    { x: 'Safari', y: 19.97, text: 'Chrome: 20%' },
    { x: 'Others', y: 2.34, text: 'Chrome: 2%' },
  ];
  return (
    <CircularChart3DComponent
      id="charts"
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject services={[PieSeries3D, CircularChartDataLabel3D]} />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            position: 'Outside',
            connectorStyle: { length: '30px', color: 'red', dashArray: '2.45', width: 2 },
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));

Text mapping

Text from the data source can be mapped using the name property within the data label.

import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData = [
    { x: 'Chrome', y: 62.92, text: 'Chrome: 40%' },
    { x: 'Internet Explorer', y: 6.12, text: 'Chrome: 15%' },
    { x: 'Opera', y: 3.15, text: 'Chrome: 8%' },
    { x: 'Edge', y: 5.5, text: 'Chrome: 15%' },
    { x: 'Safari', y: 19.97, text: 'Chrome: 20%' },
    { x: 'Others', y: 2.34, text: 'Chrome: 2%' },
  ];
  return (
    <CircularChart3DComponent
      id="charts"
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject services={[PieSeries3D, CircularChartDataLabel3D]} />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            position: 'Outside',
            name: 'text'
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));
import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData: any[] = [
    { x: 'Chrome', y: 62.92, text: 'Chrome: 40%' },
    { x: 'Internet Explorer', y: 6.12, text: 'Chrome: 15%' },
    { x: 'Opera', y: 3.15, text: 'Chrome: 8%' },
    { x: 'Edge', y: 5.5, text: 'Chrome: 15%' },
    { x: 'Safari', y: 19.97, text: 'Chrome: 20%' },
    { x: 'Others', y: 2.34, text: 'Chrome: 2%' },
  ];
  return (
    <CircularChart3DComponent
      id="charts"
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject services={[PieSeries3D, CircularChartDataLabel3D]} />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            position: 'Outside',
            name: 'text'
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));

Format

The data label for the 3D Circular Chart can be formatted using the format property. You can utilize global formatting options such as ‘n’, ‘p’, and ‘c’.

import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData = [
    { x: 'Chrome', y: 62.92, text: 'Chrome: 40%' },
    { x: 'Internet Explorer', y: 6.12, text: 'Chrome: 15%' },
    { x: 'Opera', y: 3.15, text: 'Chrome: 8%' },
    { x: 'Edge', y: 5.5, text: 'Chrome: 15%' },
    { x: 'Safari', y: 19.97, text: 'Chrome: 20%' },
    { x: 'Others', y: 2.34, text: 'Chrome: 2%' },
  ];
  return (
    <CircularChart3DComponent
      id="charts"
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject services={[PieSeries3D, CircularChartDataLabel3D]} />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            position: 'Outside',
            format: 'c1'
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));
import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData: any[] = [
    { x: 'Chrome', y: 62.92, text: 'Chrome: 40%' },
    { x: 'Internet Explorer', y: 6.12, text: 'Chrome: 15%' },
    { x: 'Opera', y: 3.15, text: 'Chrome: 8%' },
    { x: 'Edge', y: 5.5, text: 'Chrome: 15%' },
    { x: 'Safari', y: 19.97, text: 'Chrome: 20%' },
    { x: 'Others', y: 2.34, text: 'Chrome: 2%' },
  ];
  return (
    <CircularChart3DComponent
      id="charts"
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject services={[PieSeries3D, CircularChartDataLabel3D]} />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            position: 'Outside',
            format: 'c1'
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));

Value Format Resultant Value Description
1000 n1 1000.0 The number is rounded to 1 decimal place.
1000 n2 1000.00 The number is rounded to 2 decimal places.
1000 n3 1000.000 The number is rounded to 3 decimal place.
0.01 p1 1.0% The number is converted to percentage with 1 decimal place.
0.01 p2 1.00% The number is converted to percentage with 2 decimal place.
0.01 p3 1.000% The number is converted to percentage with 3 decimal place.
1000 c1 $1000.0 The currency symbol is appended to number and number is rounded to 1 decimal place.
1000 c2 $1000.00 The currency symbol is appended to number and number is rounded to 2 decimal place.

Customization

Individual text for the data points in the 3D Circular Chart can be customized using the textRender event.

import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData = [
    { x: 'Chrome', y: 62.92, text: 'Chrome: 40%' },
    { x: 'Internet Explorer', y: 6.12, text: 'Chrome: 15%' },
    { x: 'Opera', y: 3.15, text: 'Chrome: 8%' },
    { x: 'Edge', y: 5.5, text: 'Chrome: 15%' },
    { x: 'Safari', y: 19.97, text: 'Chrome: 20%' },
    { x: 'Others', y: 2.34, text: 'Chrome: 2%' },
  ];
  const textRender = function (args) {
    if (args.point.index === 0) {
      args.text = 'Custom Datalabel';
    }
  };
  return (
    <CircularChart3DComponent
      id="charts"
      textRender={textRender}
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject services={[PieSeries3D, CircularChartDataLabel3D]} />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            enableRotation: true,
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));
import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData: any[] = [
    { x: 'Chrome', y: 62.92, text: 'Chrome: 40%' },
    { x: 'Internet Explorer', y: 6.12, text: 'Chrome: 15%' },
    { x: 'Opera', y: 3.15, text: 'Chrome: 8%' },
    { x: 'Edge', y: 5.5, text: 'Chrome: 15%' },
    { x: 'Safari', y: 19.97, text: 'Chrome: 20%' },
    { x: 'Others', y: 2.34, text: 'Chrome: 2%' },
  ];
  const textRender = function (args) {
    if (args.point.index === 0) {
      args.text = 'Custom Datalabel';
    }
  };
  return (
    <CircularChart3DComponent
      id="charts"
      textRender={textRender}
      title="Browser Market Shares in November 2023"
      tilt={-45}
    >
      <Inject services={[PieSeries3D, CircularChartDataLabel3D]} />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            enableRotation: true,
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));

Using textRender event

You can customize the data label of a pie chart using the textRender event as follows to show the percentage.

import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData = [
    { x: 'Chrome', y: 62.92, text: 'Chrome: 40%' },
    { x: 'Internet Explorer', y: 6.12, text: 'Chrome: 15%' },
    { x: 'Opera', y: 3.15, text: 'Chrome: 8%' },
    { x: 'Edge', y: 5.5, text: 'Chrome: 15%' },
    { x: 'Safari', y: 19.97, text: 'Chrome: 20%' },
    { x: 'Others', y: 2.34, text: 'Chrome: 2%' },
  ];
  const textRender = function (args) {
    args.text = args.text + '%';
  };
  return (
    <CircularChart3DComponent
      id="charts"
      textRender={textRender}
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject services={[PieSeries3D, CircularChartDataLabel3D]} />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            enableRotation: true,
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));
import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData: any[] = [
    { x: 'Chrome', y: 62.92, text: 'Chrome: 40%' },
    { x: 'Internet Explorer', y: 6.12, text: 'Chrome: 15%' },
    { x: 'Opera', y: 3.15, text: 'Chrome: 8%' },
    { x: 'Edge', y: 5.5, text: 'Chrome: 15%' },
    { x: 'Safari', y: 19.97, text: 'Chrome: 20%' },
    { x: 'Others', y: 2.34, text: 'Chrome: 2%' },
  ];
  const textRender = function (args) {
    args.text = args.text + '%';
  };
  return (
    <CircularChart3DComponent
      id="charts"
      textRender={textRender}
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject services={[PieSeries3D, CircularChartDataLabel3D]} />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            enableRotation: true,
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));

Using template

You can display the percentage values in the data label of a pie chart using the template option.

import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData = [
    { x: 'Chrome', y: 62.92, text: 'Chrome: 40%' },
    { x: 'Internet Explorer', y: 6.12, text: 'Chrome: 15%' },
    { x: 'Opera', y: 3.15, text: 'Chrome: 8%' },
    { x: 'Edge', y: 5.5, text: 'Chrome: 15%' },
    { x: 'Safari', y: 19.97, text: 'Chrome: 20%' },
    { x: 'Others', y: 2.34, text: 'Chrome: 2%' },
  ];
  return (
    <CircularChart3DComponent
      id="charts"
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject services={[PieSeries3D, CircularChartDataLabel3D]} />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            enableRotation: true,
            template: '${point.y}%'
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));
import {
  CircularChart3DComponent,
  CircularChart3DSeriesCollectionDirective,
  CircularChart3DSeriesDirective,
  PieSeries3D,
  CircularChartDataLabel3D,
  Inject,
} from '@syncfusion/ej2-react-charts';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

function App() {
  const circularData: any[] = [
    { x: 'Chrome', y: 62.92, text: 'Chrome: 40%' },
    { x: 'Internet Explorer', y: 6.12, text: 'Chrome: 15%' },
    { x: 'Opera', y: 3.15, text: 'Chrome: 8%' },
    { x: 'Edge', y: 5.5, text: 'Chrome: 15%' },
    { x: 'Safari', y: 19.97, text: 'Chrome: 20%' },
    { x: 'Others', y: 2.34, text: 'Chrome: 2%' },
  ];
  return (
    <CircularChart3DComponent
      id="charts"
      title="Browser Market Shares in November 2023"
      tilt={-45}
      legendSettings={{ visible: true, position: 'Right' }}
    >
      <Inject services={[PieSeries3D, CircularChartDataLabel3D]} />
      <CircularChart3DSeriesCollectionDirective>
        <CircularChart3DSeriesDirective
          dataSource={circularData}
          xName="x"
          yName="y"
          dataLabel={{
            visible: true,
            enableRotation: true,
            template: '${point.y}%'
          }}
        ></CircularChart3DSeriesDirective>
      </CircularChart3DSeriesCollectionDirective>
    </CircularChart3DComponent>
  );
}
export default App;
ReactDOM.render(<App />, document.getElementById('charts'));