Annotation in React Accumulation chart component

20 Jan 202318 minutes to read

The annotations are used to mark the specific area of interest in the chart area with texts, shapes or images.

By using the content option of annotation property, you can specify the Id of the element that needs to be displayed in the chart area.

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AccumulationChartComponent, AccumulationSeriesCollectionDirective, AccumulationSeriesDirective, Inject, AccumulationAnnotation, AccumulationAnnotationsDirective, AccumulationAnnotationDirective } from '@syncfusion/ej2-react-charts';
import { accData } from 'datasource.ts';
function App() {
    const template = chartTemplate;
    function chartTemplate() {
        return (<div className='template'>
      <div style={{ border: '1px solid black', backgroundColor: '#f5f5f5', padding: '5px 5px 5px 5px' }}>13.5</div>
    </div>);
    }
    ;
    return <AccumulationChartComponent id='charts'>
      <Inject services={[AccumulationAnnotation]}/>
      <AccumulationAnnotationsDirective>
        <AccumulationAnnotationDirective content={template} region='Series' coordinateUnits='Point' x='Feb' y={13.5}>
        </AccumulationAnnotationDirective>
      </AccumulationAnnotationsDirective>
      <AccumulationSeriesCollectionDirective>
        <AccumulationSeriesDirective dataSource={accData} xName='x' yName='y'>
        </AccumulationSeriesDirective>
      </AccumulationSeriesCollectionDirective>
    </AccumulationChartComponent>;
}
;
export default App;
ReactDOM.render(<App />, document.getElementById("charts"));
import * as React from "react";
import * as ReactDOM from "react-dom";
import { AccumulationChartComponent, AccumulationSeriesCollectionDirective, AccumulationSeriesDirective, Inject,AccumulationAnnotation, AccumulationAnnotationsDirective, AccumulationAnnotationDirective}
from'@syncfusion/ej2-react-charts';
import { accData } from 'datasource.ts';

function App() {

  const template: any = chartTemplate;
  function chartTemplate(): any {
    return (<div className='template'>
      <div style={{ border: '1px solid black', backgroundColor: '#f5f5f5', padding: '5px 5px 5px 5px' }}>13.5</div>
    </div>);
  };

  return <AccumulationChartComponent id='charts' >
      <Inject services={[AccumulationAnnotation]} />
      <AccumulationAnnotationsDirective>
        <AccumulationAnnotationDirective content={template} region='Series' coordinateUnits='Point' x='Feb' y={13.5}>
        </AccumulationAnnotationDirective>
      </AccumulationAnnotationsDirective>
      <AccumulationSeriesCollectionDirective>
        <AccumulationSeriesDirective dataSource={accData} xName='x' yName='y'>
        </AccumulationSeriesDirective>
      </AccumulationSeriesCollectionDirective>
    </AccumulationChartComponent>

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

*Note: To use annotation feature in accumulation chart, we need to inject AccumulationAnnotation module into the services

Region

The annotation can be placed with respect to either Series or Chart.

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AccumulationChartComponent, AccumulationSeriesCollectionDirective, AccumulationSeriesDirective, Inject, AccumulationAnnotation, AccumulationAnnotationsDirective, AccumulationAnnotationDirective } from '@syncfusion/ej2-react-charts';
import { labelData } from 'datasource.ts';
function App() {
    const template = chartTemplate;
    function chartTemplate() {
        return (<div className='template'>
                    <div style={{ border: '1px solid black', backgroundColor: '#f5f5f5', padding: '5px 5px 5px 5px' }}>13.5</div>
                </div>);
    }
    ;
    return <AccumulationChartComponent id='charts'>
            <Inject services={[AccumulationAnnotation]}/>
            <AccumulationAnnotationsDirective>
                <AccumulationAnnotationDirective content={template} region='Chart' coordinateUnits='Pixel' x={550} y={150}>
                </AccumulationAnnotationDirective>
            </AccumulationAnnotationsDirective>
            <AccumulationSeriesCollectionDirective>
                <AccumulationSeriesDirective dataSource={labelData} xName='x' yName='y'>
                </AccumulationSeriesDirective>
            </AccumulationSeriesCollectionDirective>
        </AccumulationChartComponent>;
}
;
export default App;
ReactDOM.render(<App />, document.getElementById("charts"));
import * as React from "react";
import * as ReactDOM from "react-dom";
import { AccumulationChartComponent, AccumulationSeriesCollectionDirective, AccumulationSeriesDirective, Inject,AccumulationAnnotation, AccumulationAnnotationsDirective, AccumulationAnnotationDirective}
from'@syncfusion/ej2-react-charts';
import { labelData } from 'datasource.ts';

function App() {

    const template:any=chartTemplate;
    function chartTemplate(): any {
         return (<div className='template'>
                    <div style={{ border: '1px solid black' ,backgroundColor:'#f5f5f5', padding: '5px 5px 5px 5px'}}>13.5</div>
                </div>);
    };

    return <AccumulationChartComponent id='charts' >
            <Inject services={ [AccumulationAnnotation] } />
            <AccumulationAnnotationsDirective >
                <AccumulationAnnotationDirective content={ template } region = 'Chart' coordinateUnits= 'Pixel' x= { 550} y= { 150}>
                </AccumulationAnnotationDirective>
            </AccumulationAnnotationsDirective>
            <AccumulationSeriesCollectionDirective >
                <AccumulationSeriesDirective dataSource ={ labelData } xName = 'x' yName= 'y' >
                </AccumulationSeriesDirective>
            </AccumulationSeriesCollectionDirective>
        </AccumulationChartComponent>

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

Co-ordinate Units

Specifies the coordinate units of an annotation either in Pixel or Point.

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AccumulationChartComponent, AccumulationSeriesCollectionDirective, AccumulationSeriesDirective, Inject, AccumulationAnnotation, AccumulationAnnotationsDirective, AccumulationAnnotationDirective } from '@syncfusion/ej2-react-charts';
import { accData } from 'datasource.ts';
function App() {
    const template = chartTemplate;
    function chartTemplate() {
        return (<div className='template'>
                    <div style={{ border: '1px solid black', backgroundColor: '#f5f5f5', padding: '5px 5px 5px 5px' }}>13.5</div>
                </div>);
    }
    ;
    return <AccumulationChartComponent id='charts'>
            <Inject services={[AccumulationAnnotation]}/>
            <AccumulationAnnotationsDirective>
                <AccumulationAnnotationDirective content={template} region='Series' coordinateUnits='Point' x='Feb' y={13.5}>
                </AccumulationAnnotationDirective>
            </AccumulationAnnotationsDirective>
            <AccumulationSeriesCollectionDirective>
                <AccumulationSeriesDirective dataSource={accData} xName='x' yName='y'>
                </AccumulationSeriesDirective>
            </AccumulationSeriesCollectionDirective>
        </AccumulationChartComponent>;
}
;
export default App;
ReactDOM.render(<App />, document.getElementById("charts"));
import * as React from "react";
import * as ReactDOM from "react-dom";
import { AccumulationChartComponent, AccumulationSeriesCollectionDirective, AccumulationSeriesDirective, Inject,AccumulationAnnotation, AccumulationAnnotationsDirective, AccumulationAnnotationDirective}
from'@syncfusion/ej2-react-charts';
import { accData } from 'datasource.ts';

function App() {

    const template:any=chartTemplate;
    function chartTemplate(): any {
         return (<div className='template'>
                    <div style={{ border: '1px solid black' ,backgroundColor:'#f5f5f5', padding: '5px 5px 5px 5px'}}>13.5</div>
                </div>);
    };

    return <AccumulationChartComponent id='charts' >
            <Inject services={[AccumulationAnnotation]}/>
            <AccumulationAnnotationsDirective>
                <AccumulationAnnotationDirective content={ template} region='Series' coordinateUnits='Point' x='Feb' y={13.5}>
                </AccumulationAnnotationDirective>
            </AccumulationAnnotationsDirective>
            <AccumulationSeriesCollectionDirective>
                <AccumulationSeriesDirective dataSource ={accData}  xName='x' yName='y'>
                </AccumulationSeriesDirective>
            </AccumulationSeriesCollectionDirective>
        </AccumulationChartComponent>

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

Alignment

The annotations can be moved vertically and horizontally from its default position by using verticalAlignment or horizontalAlignment properties. The verticalAlignment property takes value as Top, Bottom or Middle and the horizontalAlignment property takes value as Near, Far or Center.

import * as React from "react";
import * as ReactDOM from "react-dom";
import { AccumulationChartComponent, AccumulationSeriesCollectionDirective, AccumulationSeriesDirective, Inject, AccumulationAnnotation, AccumulationAnnotationsDirective, AccumulationAnnotationDirective } from '@syncfusion/ej2-react-charts';
import { accData } from 'datasource.ts';
function App() {
    const template = chartTemplate;
    function chartTemplate() {
        return (<div className='template'>
                    <div style={{ border: '1px solid black', backgroundColor: '#f5f5f5', padding: '5px 5px 5px 5px' }}>13.5</div>
                </div>);
    }
    ;
    return <AccumulationChartComponent id='charts'>
           <Inject services={[AccumulationAnnotation]}/>
           <AccumulationAnnotationsDirective>
                <AccumulationAnnotationDirective content={template} region='Series' coordinateUnits='Point' x='Feb' y={13.5} verticalAlignment='Top' horizontalAlignment='Near'>
                </AccumulationAnnotationDirective>
           </AccumulationAnnotationsDirective>
           <AccumulationSeriesCollectionDirective>
                <AccumulationSeriesDirective dataSource={accData} xName='x' yName='y'>
                </AccumulationSeriesDirective>
            </AccumulationSeriesCollectionDirective>
        </AccumulationChartComponent>;
}
;
export default App;
ReactDOM.render(<App />, document.getElementById("charts"));
import * as React from "react";
import * as ReactDOM from "react-dom";
import { AccumulationChartComponent, AccumulationSeriesCollectionDirective, AccumulationSeriesDirective, Inject,AccumulationAnnotation, AccumulationAnnotationsDirective, AccumulationAnnotationDirective}
from'@syncfusion/ej2-react-charts';
import { accData } from 'datasource.ts';

function App() {

    const template:any=chartTemplate;
    function chartTemplate(): any {
         return (<div className='template'>
                    <div style={{ border: '1px solid black' ,backgroundColor:'#f5f5f5', padding: '5px 5px 5px 5px'}}>13.5</div>
                </div>);
    };

    return <AccumulationChartComponent id='charts' >
           <Inject services={[AccumulationAnnotation]}/>
           <AccumulationAnnotationsDirective>
                <AccumulationAnnotationDirective content={ template} region='Series' coordinateUnits='Point' x='Feb' y={13.5} verticalAlignment='Top' horizontalAlignment='Near'>
                </AccumulationAnnotationDirective>
           </AccumulationAnnotationsDirective>
           <AccumulationSeriesCollectionDirective>
                <AccumulationSeriesDirective dataSource ={accData}  xName='x' yName='y'>
                </AccumulationSeriesDirective>
            </AccumulationSeriesCollectionDirective>
        </AccumulationChartComponent>

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