Ranges in JavaScript Bullet Chart control

22 Oct 2021 / 2 minutes to read

Ranges represent the quality of a specific range such as Good, Bad and Satisfactory in the Bullet Chart scale. The ending point of a qualitative range is specified in the end property in ranges. The minimum value of a quantitative scale is considered the starting point of the first range or the previous range end point.

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'  },
        { value: 70, target: 70, category: 'Year 2'  },
        { value: 85, target: 75, category: 'Year 3'  }
        ],
        animation: { enable: false },
        valueField: 'value',
        targetField: 'target',
        categoryField: 'category',
        categoryLabelStyle: { color: 'red', size: '13', fontWeight: 'bold'},
        ranges: [ { end: 35 },
        { end: 50 },
        { end: 100 }
        ],
        minimum: 0, maximum: 100, interval: 20,
        height: '400'
}, '#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>

Color Customization

Enhance the readability of ranges with color and opacity. It can be applied using the color and opacity properties in ranges.

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'  },
        { value: 70, target: 70, category: 'Year 2'  },
        { value: 85, target: 75, category: 'Year 3'  }
        ],
        animation: { enable: false },
        valueField: 'value',
        targetField: 'target',
        categoryField: 'category',
        categoryLabelStyle: { color: 'red', size: '13', fontWeight: 'bold'},
        ranges: [ { end: 35, color: 'darkred', opacity: 0.5 },
        { end: 50, color: 'red', opacity: 1 },
        { end: 75, color: 'blue', opacity: 0.7 },
        { end: 90, color: 'lightgreen', opacity: 1 },
        { end: 100, color: 'green', opacity: 1 }
        ],
        minimum: 0, maximum: 100, interval: 10,
        height: '400'
}, '#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>