Polar Coordinates

This sample uses C# 13 preview features such as partial properties, it also uses features from the CommunityToolkit.Mvvm package, you can learn more about it here.

This web site wraps every sample using a UserControl instance, but LiveCharts controls can be used inside any container.

sample image

View model

using System;
using LiveChartsCore.Defaults;

namespace ViewModelsSamples.Polar.Coordinates;

public class ViewModel
{
    public ObservablePolarPoint[] Values { get;set; } = [
        new(0, 10),
        new(45, 15),
        new(90, 20),
        new(135, 25),
        new(180, 30),
        new(225, 35),
        new(270, 40),
        new(315, 45),
        new(360, 50)
    ];

    public Func<double, string> Labeler { get; set; } =
        angle => $"{angle}°";
}

XAML

<UserControl
    x:Class="WPFSample.Polar.Coordinates.View"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
    xmlns:lvc="clr-namespace:LiveChartsCore.SkiaSharpView.WPF;assembly=LiveChartsCore.SkiaSharpView.WPF"
    xmlns:vms="clr-namespace:ViewModelsSamples.Polar.Coordinates;assembly=ViewModelsSamples">

    <UserControl.DataContext>
        <vms:ViewModel/>
    </UserControl.DataContext>

    <lvc:PolarChart>
        <lvc:PolarChart.Series>
            <lvc:SeriesCollection>
                <lvc:XamlPolarLineSeries
                    Values="{Binding Values}"
                    IsClosed="True"
                    Fill="{x:Null}"/>
            </lvc:SeriesCollection>
        </lvc:PolarChart.Series>
        <lvc:PolarChart.AngleAxes>
            <lvc:PolarAxesCollection>
                <lvc:XamlPolarAxis
                    MinLimit="0"
                    MaxLimit="360"
                    Labeler="{Binding Labeler}"
                    ForceStepToMin="True"
                    MinStep="30"/>
            </lvc:PolarAxesCollection>
        </lvc:PolarChart.AngleAxes>
    </lvc:PolarChart>
</UserControl>

Articles you might also find useful: