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Axis Labels

Smart Axis Labels

When the axis labels overlap with each other, you can use labelIntersectAction property in the axis, to place them smartly.

When setting labelIntersectAction as Hide

Source

Preview

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import {
  AxisModel, ChartComponent, SeriesCollectionDirective, AxesDirective, AxisDirective, SeriesDirective, Inject,
  ColumnSeries, Legend, Category, Tooltip, DataLabel, Zoom, Crosshair, LineSeries, Selection
} from '@syncfusion/ej2-react-charts';
import { smartAxisData } from 'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = { title: 'Countries', labelIntersectAction: 'Hide', valueType: 'Category' };
  public primaryyAxis: AxisModel = { title: 'People(in millions)', minimum: 0, maximum: 80, interval: 10 };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      primaryYAxis={this.primaryyAxis}
      title='Internet Users'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={smartAxisData} xName='x' yName='y' name='Internet' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));

When setting labelIntersectAction as Rotate45

Source

Preview

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, AxesDirective, AxisDirective, SeriesDirective, Inject,
ColumnSeries, Legend, Category, Tooltip, DataLabel, Zoom, Crosshair, LineSeries, Selection}
from'@syncfusion/ej2-react-charts';
import { smartAxisData } from 'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = { title: 'Countries', labelIntersectAction: 'Rotate45', valueType: 'Category' };
  public primaryyAxis: AxisModel = { title: 'People(in millions)', minimum: 0, maximum: 80, interval: 10 };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      primaryYAxis={this.primaryyAxis}
      title='Internet Users'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={smartAxisData} xName='x' yName='y' name='Internet' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));

When setting labelIntersectAction as Rotate90

Source

Preview

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, AxesDirective, AxisDirective, SeriesDirective, Inject,
ColumnSeries, Legend, Category, Tooltip, DataLabel, Zoom, Crosshair, LineSeries, Selection}
from'@syncfusion/ej2-react-charts';
import { smartAxisData } from 'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = { title: 'Countries', labelIntersectAction: 'Rotate90', valueType: 'Category' };
  public primaryyAxis: AxisModel = { title: 'People(in millions)', minimum: 0, maximum: 80, interval: 10 };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      primaryYAxis={this.primaryyAxis}
      title='Internet Users'>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={smartAxisData} xName='x' yName='y' name='Internet' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));

Axis Labels Positioning

By default, the axis labels can be placed at outside the axis line and this also can be placed at inside the axis line using the labelPosition property.

Source

Preview

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, AxesDirective, AxisDirective, SeriesDirective, Inject,
ColumnSeries, Legend, Category, Tooltip, DataLabel, Zoom, Crosshair, LineSeries, Selection}
from'@syncfusion/ej2-react-charts';
import { categoryData } from 'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = { valueType: 'Category', labelPosition: 'Inside' };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={categoryData} xName='country' yName='gold' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));

Multilevel Labels

Any number of levels of labels can be added to an axis using the multiLevelLabels property. This property can be configured using the following properties:

• Categories • Overflow • Alignment • Text style • Border

Note: To use multilevel label feature, we need to inject MultiLevelLabel module into the services.

Overflow

Using the overflow property, you can trim or wrap the multilevel labels.

Source

Preview

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, AxesDirective, AxisDirective, SeriesDirective, Inject,
ColumnSeries, Legend, Category, Tooltip, DataLabel, Zoom, Crosshair, LineSeries, Selection, MultiLevelLabel}
from'@syncfusion/ej2-react-charts';
import { categoryData } from 'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = {
    valueType: 'Category',
    multiLevelLabels: [{
      categories: [{ start: -0.5, end: 3.5, text: 'Half Yearly 1', maximumTextWidth: 50 },
      { start: 3.5, end: 7.5, text: 'Half Yearly 2', maximumTextWidth: 50 }],
      overflow: 'Trim'
    }]
  };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Category, MultiLevelLabel]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={categoryData} xName='country' yName='gold' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));

Alignment

The alignment property provides option to position the multilevel labels at far, center, or near.

Source

Preview

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, AxesDirective, AxisDirective, SeriesDirective, Inject,
ColumnSeries, Legend, Category, Tooltip, DataLabel, Zoom, Crosshair, LineSeries, Selection, MultiLevelLabel}
from'@syncfusion/ej2-react-charts';
import { categoryData } from 'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = {
    valueType: 'Category',
    multiLevelLabels: [{
      categories: [{ start: -0.5, end: 3.5, text: 'Half Yearly 1' },
      { start: 3.5, end: 7.5, text: 'Half Yearly 2' }],
      alignment: 'Far'
    }]
  };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Category, MultiLevelLabel]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={categoryData} xName='country' yName='gold' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));

Text customization

The textStyle property of multilevel labels provides options to customize the size, color, fontFamily, fontWeight, fontStyle, opacity, textAlignment and textOverflow.

Source

Preview

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, AxesDirective, AxisDirective, SeriesDirective, Inject,
ColumnSeries, Legend, Category, Tooltip, DataLabel, Zoom, Crosshair, LineSeries, Selection, MultiLevelLabel}
from'@syncfusion/ej2-react-charts';
import { categoryData } from 'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = {
    valueType: 'Category',
    multiLevelLabels: [{
      categories: [{ start: -0.5, end: 3.5, text: 'Half Yearly 1' },
      { start: 3.5, end: 7.5, text: 'Half Yearly 2' }],
      textStyle: { size: '18px', color: 'Red' }
    }]
  };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Category, MultiLevelLabel]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={categoryData} xName='country' yName='gold' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));

Border customization

Using the border property, you can customize the width, color, and type. The type of border are Rectangle, Brace, WithoutBorder, WithoutTopBorder, WithoutTopandBottomBorder and CurlyBrace.

Source

Preview

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, AxesDirective, AxisDirective, SeriesDirective, Inject,
ColumnSeries, Legend, Category, Tooltip, DataLabel, Zoom, Crosshair, LineSeries, Selection, MultiLevelLabel}
from'@syncfusion/ej2-react-charts';
import { categoryData } from 'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = {
    valueType: 'Category',
    multiLevelLabels: [{
      categories: [{ start: -0.5, end: 3.5, text: 'Half Yearly 1' },
      { start: 3.5, end: 7.5, text: 'Half Yearly 2' }],
      border: { type: 'Brace', color: 'Blue', width: 2 },
    }]
  };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Category, MultiLevelLabel]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={categoryData} xName='country' yName='gold' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));

Sorting

The chart’s data source can be sorted using the sort method of chart. The arguments that are required to pass to sort method are data of chart. The fields depend on which sorting is performed either x or y, and the isDescending with which data source values are sorted in either ascending or descending.

Source

Preview

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, AxesDirective, AxisDirective, SeriesDirective, Inject,
ColumnSeries, Legend, Category, Tooltip, DataLabel, Zoom, Crosshair, LineSeries, Selection }
from'@syncfusion/ej2-react-charts';
import { categoryData } from 'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = { valueType: 'Category' };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={categoryData} xName='country' yName='gold' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));

Edge Label Placement

Labels with long text at the edges of an axis may appear partially in the chart. To avoid this, use edgeLabelPlacement property in axis, which moves the label inside the chart area for better appearance or hides it.

Source

Preview

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, AxesDirective, AxisDirective, SeriesDirective, Inject,
ColumnSeries, Legend, Category, Tooltip, DataLabel, Zoom, Crosshair, LineSeries, Selection}
from'@syncfusion/ej2-react-charts';
import { categoryData } from 'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = { valueType: 'Category', edgeLabelPlacement: 'Shift' };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={categoryData} xName='country' yName='gold' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));

Labels Customization

Border of the axis labels can be customized using width, color and type property of the axis.

Source

Preview

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, AxesDirective, AxisDirective, SeriesDirective, Inject,
ColumnSeries, Legend, Category, Tooltip, DataLabel, Zoom, Crosshair, LineSeries, Selection}
from'@syncfusion/ej2-react-charts';
import { categoryData } from 'datasource.ts';

class App extends React.Component<{}, {}> {

  public primaryxAxis: AxisModel = { valueType: 'Category', border: { width: 1, type: 'Rectangle', color: 'red' } };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={categoryData} xName='country' yName='gold' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));

Customizing Specific Point

You can customize the specific text in the axis labels using axisLabelRender event.

Source

Preview

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, AxesDirective, AxisDirective, SeriesDirective, Inject, IAxisLabelRenderEventArgs,
ColumnSeries, Legend, Category, Tooltip, DataLabel, Zoom, Crosshair, LineSeries, Selection}
from'@syncfusion/ej2-react-charts';
import { categoryData } from 'datasource.ts';

class App extends React.Component<{}, {}> {

  public axisLabelRender = (args: IAxisLabelRenderEventArgs) => {
    if (args.text === 'France') {
      args.labelStyle.color = 'Red';
    }
  }
  public primaryxAxis: AxisModel = { valueType: 'Category', border: { width: 1, type: 'Rectangle', color: 'red' } };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}
      axisLabelRender={this.axisLabelRender}>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={categoryData} xName='country' yName='gold' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));

Trim using maximum label width

You can trim the label using enableTrim property and width of the labels can also be customized using maximumLabelWidth property in the axis, the value maximum label width is 34 by default.

Source

Preview

index.tsx

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AxisModel, ChartComponent, SeriesCollectionDirective, AxesDirective, AxisDirective, SeriesDirective, Inject, IAxisLabelRenderEventArgs,
ColumnSeries, Legend, Category, Tooltip, DataLabel, Zoom, Crosshair, LineSeries, Selection}
from'@syncfusion/ej2-react-charts';
import { smartAxisData } from 'datasource.ts';

class App extends React.Component<{}, {}> {

   public primaryxAxis: AxisModel = { valueType: 'Category',
        //label is trimmed
        enableTrim: true,
        //maximum width of label is provided
        maximumLabelWidth: '34',
   };

  render() {
    return <ChartComponent id='charts'
      primaryXAxis={this.primaryxAxis}>
      <Inject services={[ColumnSeries, Legend, Tooltip, DataLabel, Category]} />
      <SeriesCollectionDirective>
        <SeriesDirective dataSource={smartAxisData} xName='x' yName='y' type='Column'>
        </SeriesDirective>
      </SeriesCollectionDirective>
    </ChartComponent>
  }

};
ReactDOM.render(<App />, document.getElementById("charts"));

Contents

Smart Axis Labels
Axis Labels Positioning
Multilevel Labels
Categories
Overflow
Alignment
Text customization
Border customization
Sorting
Edge Label Placement
Labels Customization
Customizing Specific Point
Trim using maximum label width

Contents

Smart Axis Labels
Axis Labels Positioning
Multilevel Labels
Categories
Overflow
Alignment
Text customization
Border customization
Sorting
Edge Label Placement
Labels Customization
Customizing Specific Point
Trim using maximum label width

Please provide additional information

Thank you for your feedback and comments.We will rectify this as soon as possible!