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Polar and Radar Charts

Periodic Data

Documentation

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

@(Html.DevExtreme().PolarChart() .ID("chart") .DataSource(new List<object> { new { arg = 0, val = 0 }, new { arg = 720, val = 2 } }) .Series(s => s .Add() .Type(PolarChartSeriesType.Line) .ValueField("val") .Name("Function")) .Legend(l => l.Visible(false)) .CommonSeriesSettings(s => s.Closed(false)) .ArgumentAxis(a => a .Inverted(true) .StartAngle(90) .TickInterval(45) .Period(360)) .Export(e => e.Enabled(true)) .Title("Archimedean Spiral") )
using DevExtreme.AspNet.Data; using DevExtreme.AspNet.Mvc; using DevExtreme.NETCore.Demos.Models; using DevExtreme.NETCore.Demos.Models.SampleData; using Microsoft.AspNetCore.Mvc; using Newtonsoft.Json; using System; using System.Collections.Generic; namespace DevExtreme.NETCore.Demos.Controllers { public class ChartsController : Controller { public ActionResult PeriodicData() { return View(); } } }
#chart { height: 440px; width: 100%; }