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Continuous Data

Documentation

In this example, the PolarChart component visualizes a curve that has the shape of a petalled flower. This curve is commonly-known as «rose» or «rhodonea». It is visualized by the line series type.

Backend API
$(() => { $('#chart').dxPolarChart({ dataSource, series: [{ type: 'line' }], legend: { visible: false, }, argumentAxis: { inverted: true, startAngle: 90, tickInterval: 30, }, export: { enabled: true, }, title: 'Rose in Polar Coordinates', }); });
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <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=1.0" /> <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/23.2.5/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 = [{ arg: 0, val: 0, }, { arg: 30, val: 1.7, }, { arg: 45, val: 0, }, { arg: 60, val: 1.7, }, { arg: 90, val: 0, }, { arg: 120, val: 1.7, }, { arg: 135, val: 0, }, { arg: 150, val: 1.7, }, { arg: 180, val: 0, }, { arg: 210, val: 1.7, }, { arg: 225, val: 0, }, { arg: 240, val: 1.7, }, { arg: 270, val: 0, }, { arg: 300, val: 1.7, }, { arg: 315, val: 0, }, { arg: 330, val: 1.7, }, { arg: 360, val: 0, }];