Polar Coordinates
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.
View model
using LiveChartsCore;
using LiveChartsCore.Defaults;
using LiveChartsCore.SkiaSharpView;
using CommunityToolkit.Mvvm.ComponentModel;
namespace ViewModelsSamples.Polar.Coordinates;
public partial class ViewModel : ObservableObject
{
public ISeries[] Series { get; set; } =
{
new PolarLineSeries<ObservablePolarPoint>
{
Values = new[]
{
new ObservablePolarPoint(0, 10),
new ObservablePolarPoint(45, 15),
new ObservablePolarPoint(90, 20),
new ObservablePolarPoint(135, 25),
new ObservablePolarPoint(180, 30),
new ObservablePolarPoint(225, 35),
new ObservablePolarPoint(270, 40),
new ObservablePolarPoint(315, 45),
new ObservablePolarPoint(360, 50),
},
IsClosed = false,
Fill = null
}
};
public PolarAxis[] AngleAxes { get; set; } =
{
new PolarAxis
{
// force the axis to always show 360 degrees.
MinLimit = 0,
MaxLimit = 360,
Labeler = angle => $"{angle}°",
ForceStepToMin = true,
MinStep = 30
}
};
}
XAML
<UserControl x:Class="UnoWinUISample.Polar.Coordinates.View"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:lvc="using:LiveChartsCore.SkiaSharpView.WinUI"
xmlns:vms="using:ViewModelsSamples.Polar.Coordinates"
mc:Ignorable="d">
<UserControl.DataContext>
<vms:ViewModel/>
</UserControl.DataContext>
<lvc:PolarChart Series="{Binding Series}" AngleAxes="{Binding AngleAxes}" />
</UserControl>
