Charts - Periodic Data

This example illustrates the visualization of periodic data. To notify the component that data is periodic, the period property of the argumentAxis is specified.

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Backend API

@(Html.DevExtreme().PolarChart() .ID("chart") .DataSource(new[] { new { arg = 0, val = 0 }, new { arg = 720, val = 2 } }) .Series(s => s .Add() .Type(PolarChartSeriesType.Line) .Name("Function") .Closed(false)) .ArgumentAxis(a => a .Inverted(true) .StartAngle(90) .TickInterval(45) .Period(360)) .Export(e => e.Enabled(true)) .Legend(l => l.Visible(false)) .Title("Archimedean Spiral") )

using DevExtreme.AspNet.Data; using DevExtreme.AspNet.Mvc; using DevExtreme.MVC.Demos.Models.SampleData; using Newtonsoft.Json; using System; using System.Collections.Generic; using System.Linq; using System.Web.Mvc; namespace DevExtreme.MVC.Demos.Controllers { public class ChartsController : Controller { public ActionResult PeriodicData() { return View(); } } }

#chart { height: 440px; }