.NET MAUI Radar Area Chart Component

Overview

The .NET MAUI Radar area chart displays data points that are visualized as areas within a polygon gridline. This type of chart can be configured with numeric, category, date-time axes.

.NET MAUI Radar Area Chart documentation

.NET MAUI radar area chart.

Key features

.NET MAUI radar area chart with customized border and color.

UI styling

Customize the color and border of the chart by utilizing the built-in APIs to create a visually distinctive appearance.

.NET MAUI radar area chart with data labels.

Data labels

Data labels display information about data points. Customize the foreground, border, and background of the labels. You can also rotate a data label to a specified angle.

.NET MAUI radar area chart with rendering position.

Rendering position

Customize the start angle of a radar chart to visualize data from a different perspective.

.NET MAUI radar area chart with closing chart.

Closing path

The series can be displayed with or without a closed path.

Code example

xaml
c#
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui" 
        xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
        x:Class="ChartExample.MainPage"
        xmlns:local="clr-namespace:ChartExample"
        xmlns:chart="clr-namespace:Syncfusion.Maui.Charts;assembly=Syncfusion.Maui.Charts">
       
    <Grid>
        <chart:SfPolarChart HorizontalOptions="FillAndExpand" VerticalOptions="FillAndExpand" GridLineType="Polygon">
            <!--Setting BindingContext-->
            <chart:SfPolarChart.BindingContext>
                <local:ViewModel/>
            </chart:SfPolarChart.BindingContext>

            <!--Initialize the primary axis.-->
            <chart:SfPolarChart.PrimaryAxis>
                <chart:CategoryAxis/>
            </chart:SfPolarChart.PrimaryAxis>

            <!--Initialize the secondary axis.-->
            <chart:SfPolarChart.SecondaryAxis>
                <chart:NumericalAxis/>
            </chart:SfPolarChart.SecondaryAxis>

            <chart:SfPolarChart.Legend>
                <chart:ChartLegend/>
            </chart:SfPolarChart.Legend>
           
            <!--Adding series.-->
            <chart:PolarAreaSeries 
                        ItemsSource="{Binding PlantDetails}" 
                        XBindingPath="Direction"
                        YBindingPath="Tree"
                        Label="Tree">
            </chart:PolarAreaSeries> 

            <chart:PolarAreaSeries 
                        ItemsSource="{Binding PlantDetails}" 
                        XBindingPath="Direction"
                        YBindingPath="Weed"
                        Label="Weed">
            </chart:PolarAreaSeries> 

             <chart:PolarAreaSeries 
                        ItemsSource="{Binding PlantDetails}" 
                        XBindingPath="Direction"
                        YBindingPath="Flower"
                        Label="Flower">
            </chart:PolarAreaSeries> 
        </chart:SfPolarChart>
    </Grid>
</ContentPage>
public class PlantData
{
    public string Direction { get; set; }

    public double Tree { get; set; }

    public double Weed { get; set; }

    public double Flower { get; set; }

    public PlantData(string direction, double tree, double weed, double flower)
    {
        Direction = direction;
        Tree = tree;
        Weed = weed;
        Flower = flower;
    }
}

public class ViewModel
{
    public ObservableCollection<PlantData> PlantDetails { get; set; }

    public ViewModel()
    {
        PlantDetails = new ObservableCollection<PlantData>()
        {
            new PlantData(){ Direction = "North", Tree = 80, Weed = 63, Flower = 42},
            new PlantData(){ Direction = "NorthEast", Tree = 85, Weed = 70, Flower = 40},
            new PlantData(){ Direction = "East", Tree = 78 , Weed = 45, Flower = 25},
            new PlantData(){ Direction = "SouthEast", Tree = 90 , Weed = 70, Flower = 40},
            new PlantData(){ Direction = "South", Tree = 78 , Weed = 47, Flower = 20},
            new PlantData(){ Direction = "SouthWest", Tree = 83 , Weed = 65, Flower = 45},
            new PlantData(){ Direction = "West", Tree = 79 , Weed = 58, Flower = 40},
            new PlantData(){ Direction = "NorthWest", Tree = 88 , Weed = 73, Flower = 28}
        };
    }
}