Hexbin chart

info

Charts are available with Avalonia Pro.

Hexbin charts group nearby points into hexagons so dense scatter data remains readable even when thousands of points overlap.

When to use

• Dense scatter data: Replace unreadable point clouds with density bins.
• Spatial concentration: Show where observations cluster in two dimensions.
• Exploratory analysis: Reveal hotspots and gradients without smoothing the raw data.

Code example

XAML

<charts:HexbinChart Title="Request concentration"
                              Height="320"
                              ItemsSource="{Binding HexbinData}"
                              XPath="X"
                              YPath="Y"
                              HexRadius="16" />

Data model (C#)

public record SamplePoint(double X, double Y);

public ObservableCollection<SamplePoint> HexbinData { get; } = new()
{
    new(12, 20),
    new(14, 22),
    new(13, 21),
    new(28, 35)
};

Common properties

Property	Description	Default
ItemsSource	Collection of X and Y points.	null
XPath	Path to the X value.	null
YPath	Path to the Y value.	null
HexRadius	Radius of each hexagon in pixels.	20.0
ColorScale	Color scale used to encode density.	Blues
ShowAxes	Whether to draw the chart axes.	true

See also

• Bubble chart
• Contour plot chart