Discrete Data

Documentation

This example demonstrates how to visualize discrete data using the PolarChart UI component. Months in the data source form discrete categories that divide the PolarChart. In addition, you can spot the difference between series types. Use the drop-down menu below the PolarChart to change the applied series type.

See more Hide details

Prev Demo Next Demo

www.weather.com

Was this demo helpful?

Thank you!

Feel free to share demo-related thoughts here.
If you have technical questions, please create a support ticket in the DevExpress Support Center.

Send Feedback

Thank you!
We appreciate your feedback.

jQuery

Angular

Vue

React

AngularJS

ASP.NET Core

ASP.NET MVC

Copy to CodePen

Apply

Reset

$(function(){ var radarOptions = { margin: { top: 50, bottom: 50, left: 100 }, dataSource: dataSource, series: [{valueField: "day", name: "Day", color: "#ba4d51" }, { valueField: "night", name: "Night", color: "#5f8b95" }], commonSeriesSettings: { type: "scatter" } }; var radar = $("#radarChart").dxPolarChart(radarOptions).dxPolarChart("instance"); $("#radarTypes").dxSelectBox({ width: 200, dataSource: types, value: types[0], onValueChanged: function(e){ radar.option("commonSeriesSettings.type", e.value); } }); });

<!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/20.2.5/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/20.2.5/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 class="long-title"><h3>Average temperature in London</h3></div> <div id="chart-demo"> <div id="radarChart"></div> <div class="center"> <div>Series Type</div>  <div id="radarTypes"></div> </div> </div> </div> </body> </html>

#chart-demo { height: 600px; } #radarChart { height: 500px; } #chart-demo > .center { text-align: center; } #chart-demo > .center > div, #chart-demo > .center > .dx-widget { display: inline-block; vertical-align: middle; } .long-title h3 { font-family: 'Segoe UI Light', 'Helvetica Neue Light', 'Segoe UI', 'Helvetica Neue', 'Trebuchet MS', Verdana; font-weight: 200; font-size: 28px; text-align: center; margin-bottom: 20px; }

var dataSource = [{ arg: "January", day: 6, night: 2 }, { arg: "February", day: 7, night: 2 }, { arg: "March", day: 10, night: 3 }, { arg: "April", day: 14, night: 5 }, { arg: "May", day: 18, night: 8 }, { arg: "June", day: 21, night: 11 }, { arg: "July", day: 22, night: 13 }, { arg: "August", day: 22, night: 13 }, { arg: "September", day: 19, night: 11 }, { arg: "October", day: 15, night: 8 }, { arg: "November", day: 10, night: 5 }, { arg: "December", day: 7, night: 3 }]; var types = ["scatter", "line", "area", "bar", "stackedbar"];