Basic Gauge

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 LiveChartsCore;
using LiveChartsCore.SkiaSharpView;
using CommunityToolkit.Mvvm.ComponentModel;

namespace ViewModelsSamples.Pies.Gauge1;

[ObservableObject]
public partial class ViewModel
{
    public IEnumerable<ISeries> Series { get; set; }
        = new GaugeBuilder()
        .WithMaxColumnWidth(30)
        .AddValue(30)
        .BuildSeries();
}

XAML

<UserControl x:Class="AvaloniaSample.Pies.Gauge1.View"
             xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:lv="clr-namespace:LiveChartsCore;assembly=LiveChartsCore"
             xmlns:lvc="using:LiveChartsCore.SkiaSharpView.Avalonia"
             xmlns:vms="using:ViewModelsSamples.Pies.Gauge1">
    <UserControl.DataContext>
        <vms:ViewModel/>
    </UserControl.DataContext>
    <lvc:PieChart
        Series="{Binding Series}"
        InitialRotation="-90"
        Total="100">
    </lvc:PieChart>
</UserControl>

Articles you might also find useful:

Pie chart control
pie series properties
Gauges