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Charts - Scatter

Scatter charts can be used whenever you need to allow the user to draw their own conclusions about information displayed within the chart.

Backend API
@(Html.DevExtreme().Chart() .ID("chart") .CommonSeriesSettings(s => s.Type(SeriesType.Scatter)) .Series(s => { s.Add().ArgumentField("X1").ValueField("Y1"); s.Add().ArgumentField("X2").ValueField("Y2").Point(p => p .Symbol(PointSymbol.TriangleDown) ); }) .ArgumentAxis(a => a .Grid(g => g.Visible(true)) .TickInterval(5) .MinorGrid(g => g.Visible(true)) ) .ValueAxis(a => a.Add().TickInterval(50)) .Legend(l => l.Visible(false)) .CommonPaneSettings(s => s.Border(b => b.Visible(true))) .DataSource(Model) )
using DevExtreme.AspNet.Data; using DevExtreme.AspNet.Mvc; using DevExtreme.NETCore.Demos.Models; using DevExtreme.NETCore.Demos.Models.SampleData; using Microsoft.AspNetCore.Mvc; using System; using System.Collections.Generic; using System.Linq; namespace DevExtreme.NETCore.Demos.Controllers { public class ChartsController : Controller { public ActionResult Scatter() { return View(SampleData.GetScatterData()); } } }
using System; using System.Collections.Generic; using DevExpress.Data.Utils; namespace DevExtreme.NETCore.Demos.Models.SampleData { public partial class SampleData { public static IEnumerable<object> GetScatterData() { var rnd = NonCryptographicRandom.System; double b1 = rnd.Next(-100, 100) / 10; double b2 = rnd.Next(-100, 100) / 10; double k1 = rnd.Next(-100, 100) / 10; double k2 = rnd.Next(-100, 100) / 10; if(k1 < 0.1 && k1 >= 0) k1 = 0.1; if(k1 > -0.1 && k1 < 0) k1 = -0.1; if(k2 < 0.1 && k2 >= 0) k2 = 0.1; if(k2 > -0.1 && k2 < 0) k2 = -0.1; double deviation1 = Math.Round(k1 * 8); double deviation2 = Math.Round(k2 * 8); for(int i = 0; i < 30; i++) { var isNegativeDelta = rnd.Next(0, 1) == 0; double delta1 = deviation1 * rnd.NextDouble(); double delta2 = deviation2 * rnd.NextDouble(); if(isNegativeDelta) { delta1 = -delta1; delta2 = -delta2; } double x1 = rnd.Next(1, 20); double x2 = rnd.Next(1, 20); double y1 = k1 * x1 + b1 + delta1; double y2 = k2 * x2 + b2 + delta2; yield return new { X1 = x1, Y1 = y1, X2 = x2, Y2 = y2 }; } } } }
#chart { height: 440px; }