270 Degrees Gauge

The [ObservableObject], [ObservableProperty] and [RelayCommand] 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.Measure;
using CommunityToolkit.Mvvm.ComponentModel;
using LiveChartsCore.SkiaSharpView.Painting;
using SkiaSharp;
using LiveChartsCore.SkiaSharpView.Extensions;

namespace ViewModelsSamples.Pies.Gauge2;

public partial class ViewModel : ObservableObject
{
    public IEnumerable<ISeries> Series { get; set; } =
        GaugeGenerator.BuildSolidGauge(
            new GaugeItem(30, series =>
            {
                series.Fill = new SolidColorPaint(SKColors.YellowGreen);
                series.DataLabelsSize = 50;
                series.DataLabelsPaint = new SolidColorPaint(SKColors.Red);
                series.DataLabelsPosition = PolarLabelsPosition.ChartCenter;
                series.InnerRadius = 75;
            }),
            new GaugeItem(GaugeItem.Background, series =>
            {
                series.InnerRadius = 75;
                series.Fill = new SolidColorPaint(new SKColor(100, 181, 246, 90));
            }));
}

XAML

<UserControl x:Class="AvaloniaSample.Pies.Gauge2.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.Gauge2">
    <UserControl.DataContext>
        <vms:ViewModel/>
    </UserControl.DataContext>
    <lvc:PieChart
        Series="{Binding Series}"
        InitialRotation="-225"
        MaxAngle="270"
        MinValue="0"
        MaxValue="100">
    </lvc:PieChart>
</UserControl>

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