Multiple Values Gauge

sample image

Code behind

using Eto.Forms;
using LiveChartsCore.Defaults;
using LiveChartsCore.Measure;
using LiveChartsCore.SkiaSharpView;
using LiveChartsCore.SkiaSharpView.Extensions;
using LiveChartsCore.SkiaSharpView.Eto;

namespace EtoFormsSample.Pies.Gauge3;

public class View : Panel
{
    private readonly PieChart pieChart;

    public View()
    {
        pieChart = new PieChart
        {
            Series = GaugeGenerator.BuildSolidGauge(
                new GaugeItem(30, series => SetStyle("Vanessa", series)),
                new GaugeItem(50, series => SetStyle("Charles", series)),
                new GaugeItem(70, series => SetStyle("Ana", series)),
                new GaugeItem(GaugeItem.Background, series =>
                {
                    series.InnerRadius = 20;
                })),
            InitialRotation = 45,
            MaxAngle = 270,
            MinValue = 0,
            MaxValue = 100
        };

        Content = pieChart;
    }

    public static void SetStyle(string name, PieSeries<ObservableValue> series)
    {
        series.Name = name;
        series.DataLabelsPosition = PolarLabelsPosition.Start;
        series.DataLabelsFormatter =
                point => $"{point.Coordinate.PrimaryValue} {point.Context.Series.Name}";
        series.InnerRadius = 20;
        series.RelativeOuterRadius = 8;
        series.RelativeInnerRadius = 8;
    }
}

Articles you might also find useful:

Pie chart control
pie series properties
Gauges