Value Bar in JavaScript Bullet Chart control

22 Jul 2021 / 3 minutes to read

The main data value is encoded by a length of the main bar in the middle of the chart, known as the Feature Measure. This is also called as value Bar. Also, if you want to display the target bar you should map the valueField name from the dataSource.

Source

Preview

index.ts

index.html

import { BulletChart, BulletTooltip } from '@syncfusion/ej2-charts';
BulletChart.Inject(BulletTooltip);

let chart: BulletChart = new BulletChart({
      title: 'Sales Rate',
        dataSource: [
        { value: 55, target: 75, category: 'Year 1'  },
        ],
        animation: { enable: false },
        valueField: 'value',
        ranges: [ { end: 35 },
        { end: 50 },
        { end: 100 }
        ],
        minimum: 0, maximum: 100, interval: 20
}, '#element');

<!DOCTYPE html>
<html lang="en">

<head>
    <title>EJ2 Animation</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript UI Controls" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='loader'>Loading....</div>
    <div id='container'>
        <div id='element'></div>
    </div>
</body>

</html>

Feature bar types

You can customize the shape of the feature bar or value bar using the type property of the bullet chart. Feature bar contains Rect and Dot shapes. The default type of feature bar is Rect.

Source

Preview

index.ts

index.html

import { BulletChart, BulletTooltip } from '@syncfusion/ej2-charts';
BulletChart.Inject(BulletTooltip);

let chart: BulletChart = new BulletChart({
        title: 'Sales Rate',
        dataSource: [
        { value: 55, target: 75, category: 'Year 1'  },
        ],
        animation: { enable: false },
        valueField: 'value',
        ranges: [ { end: 35 },
        { end: 50 },
        { end: 100 }
        ],
        type: 'Dot',
        minimum: 0, maximum: 100, interval: 20
}, '#element');

<!DOCTYPE html>
<html lang="en">

<head>
    <title>EJ2 Animation</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript UI Controls" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='loader'>Loading....</div>
    <div id='container'>
        <div id='element'></div>
    </div>
</body>

</html>

Customization

Border customization

Using the valueBorder property of the bullet chart, you can customize the border color and width of the feature bar.

Source

Preview

index.ts

index.html

import { BulletChart, BulletTooltip } from '@syncfusion/ej2-charts';
BulletChart.Inject(BulletTooltip);

let chart: BulletChart = new BulletChart({
       title: 'Sales Rate',
        dataSource: [
        { value: 55, target: 75, category: 'Year 1'  },
        ],
        animation: { enable: false },
        valueField: 'value',
        ranges: [ { end: 35 },
        { end: 50 },
        { end: 100 }
        ],
        valueBorder: { color: 'red', width: 3 },
        minimum: 0, maximum: 100, interval: 20
}, '#element');

<!DOCTYPE html>
<html lang="en">

<head>
    <title>EJ2 Animation</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript UI Controls" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='loader'>Loading....</div>
    <div id='container'>
        <div id='element'></div>
    </div>
</body>

</html>

Fill color and height customization

You can customize the fill color and height of the feature bar using the valueFill and valueHeight properties of the bullet chart.

Source

Preview

index.ts

index.html

import { BulletChart, BulletTooltip } from '@syncfusion/ej2-charts';
BulletChart.Inject(BulletTooltip);

let chart: BulletChart = new BulletChart({
       title: 'Sales Rate',
        dataSource: [
        { value: 55, target: 75, category: 'Year 1'  },
        ],
        animation: { enable: false },
        valueField: 'value',
        ranges: [ { end: 35 },
        { end: 50 },
        { end: 100 }
        ],
        valueFill: 'blue',
        valueHeight: 15,
        minimum: 0, maximum: 100, interval: 20
}, '#element');

<!DOCTYPE html>
<html lang="en">

<head>
    <title>EJ2 Animation</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript UI Controls" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='loader'>Loading....</div>
    <div id='container'>
        <div id='element'></div>
    </div>
</body>

</html>

Contents

Feature bar types
Customization

Contents

Feature bar types
Customization