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Timeline Chart

Timeline charts represent events in chronological order.

https://en.wikipedia.org
Backend API
$(() => { $('#chart').dxChart({ dataSource, rotated: true, barGroupPadding: 0.2, argumentAxis: { categories: ['Royal Houses'], tick: { visible: false, }, }, title: { text: 'The British Monarchy', subtitle: 'An Abbreviated Timeline', }, commonSeriesSettings: { argumentField: 'monarch', type: 'rangeBar', rangeValue1Field: 'start', rangeValue2Field: 'end', ignoreEmptyPoints: true, barOverlapGroup: 'monarchs', minBarSize: 4, }, seriesTemplate: { nameField: 'house', }, animation: { enabled: false, }, legend: { title: 'Royal Houses', verticalAlignment: 'bottom', horizontalAlignment: 'center', }, }); });
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml" lang="en"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/24.1.3/css/dx.light.css" /> <script src="js/dx.all.js"></script> <script src="data.js"></script> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="index.js"></script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="chart"></div> </div> </body> </html>
#chart { height: 440px; }
const dataSource = [ { monarch: 'Anne', start: new Date(1701, 4, 1), end: new Date(1714, 7, 1), house: 'Stuart', }, { monarch: 'George I', start: new Date(1714, 7, 1), house: 'Hanover', end: new Date(1727, 5, 11), }, { monarch: 'George II', start: new Date(1727, 5, 11), house: 'Hanover', end: new Date(1760, 9, 25), }, { monarch: 'George III', start: new Date(1760, 9, 25), house: 'Hanover', end: new Date(1820, 0, 29), }, { monarch: 'George IV', start: new Date(1820, 0, 29), house: 'Hanover', end: new Date(1830, 5, 26), }, { monarch: 'William IV', start: new Date(1830, 5, 26), house: 'Hanover', end: new Date(1837, 5, 20), }, { monarch: 'Victoria', start: new Date(1837, 5, 20), end: new Date(1901, 0, 22), house: 'Hanover', }, { monarch: 'Edward VII', start: new Date(1901, 0, 22), house: 'Saxe-Coburg and Gotha', end: new Date(1910, 4, 6), }, { monarch: 'George V', start: new Date(1910, 4, 6), house: 'Saxe-Coburg and Gotha', end: new Date(1917, 5, 17), }, { monarch: 'George V', start: new Date(1917, 5, 17), house: 'Windsor', end: new Date(1936, 0, 20), }, { monarch: 'Edward VIII', start: new Date(1936, 0, 20), house: 'Windsor', end: new Date(1936, 11, 11), }, { monarch: 'George VI', start: new Date(1936, 11, 11), house: 'Windsor', end: new Date(1952, 1, 6), }, { monarch: 'Elizabeth II', house: 'Windsor', start: new Date(1952, 1, 6), end: new Date(2022, 8, 8), }, { monarch: 'Charles III', house: 'Windsor', start: new Date(2022, 8, 8), end: new Date(), }, { house: 'Stuart', start: new Date(1701, 4, 1), end: new Date(1714, 7, 1), monarch: 'Royal Houses', }, { end: new Date(1901, 0, 22), house: 'Hanover', start: new Date(1714, 7, 1), monarch: 'Royal Houses', }, { start: new Date(1901, 0, 22), end: new Date(1917, 5, 17), house: 'Saxe-Coburg and Gotha', monarch: 'Royal Houses', }, { house: 'Windsor', start: new Date(1917, 5, 17), end: new Date(), monarch: 'Royal Houses', }, ];

The exact timeline chart implementation steps depend on the data source. Below are general recommendations on how to create a timeline chart.  

  • Choose a series type
    Each event is represented by its name and start/end dates. In this case, the series type should have points with one argument and two values, for example, the Range Bar.

  • Bind the series to data
    You can bind the series to data directly or use a series template (depending on the data source). These approaches and their differences are described in the Bind Series to Data article. In this demo, we use a series template.

  • Line up bars
    Specify the barOverlapGroup to arrange bars in a line that displays a combined timeline.

  • Rotate the chart
    A range bar chart's bars are vertical. To make them horizontal, set the rotated property to true.

  • Sort the events chronologically
    Arguments maintain objects' order in the data source. If this order is not chronological, use the axis' categories array to specify the order.