Basic Polar Chart

The [ObservableObject], [ObservableProperty] and [ICommand] attributes come from the CommunityToolkit.Mvvm package, you can read 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.Collections.Generic;
using System.Collections.ObjectModel;
using CommunityToolkit.Mvvm.ComponentModel;
using LiveChartsCore;
using LiveChartsCore.Measure;
using LiveChartsCore.SkiaSharpView;
using LiveChartsCore.SkiaSharpView.Painting;
using SkiaSharp;

namespace ViewModelsSamples.Polar.Basic;

[ObservableObject]
public partial class ViewModel
{
    public ISeries[] Series { get; set; } =
    {
        new PolarLineSeries<double>
        {
            Values = new ObservableCollection<double> { 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1 },
            DataLabelsPaint = new SolidColorPaint(new SKColor(30, 30, 30)),
            GeometrySize = 30,
            DataLabelsSize = 15,
            DataLabelsPosition = PolarLabelsPosition.Middle,
            DataLabelsRotation = LiveCharts.CotangentAngle,
            IsClosed = true
        }
    };

    public PolarAxis[] RadialAxes { get; set; } =
    {
        new PolarAxis
        {
            LabelsAngle = -60,
            MaxLimit = 30 // null to let the chart autoscale (defualt is null) // mark
        }
    };

    public PolarAxis[] AngleAxes { get; set; } =
    {
        new PolarAxis
        {
            LabelsRotation = LiveCharts.TangentAngle
        }
    };
}

XAML

<UserControl x:Class="WPFSample.Polar.Basic.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.Basic;assembly=ViewModelsSamples">
    <UserControl.DataContext>
        <vms:ViewModel/>
    </UserControl.DataContext>
    <Grid>
        <lvc:PolarChart Series="{Binding Series}" AngleAxes="{Binding AngleAxes}" RadiusAxes="{Binding RadialAxes}"></lvc:PolarChart>
    </Grid>
</UserControl>

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