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();
}
}
}