Class FastScatterSeries

The FastScatterSeries is a special kind of scatter series that can render a collection with a large number of data points.

Inheritance
System.Object
ChartSeries
CartesianSeries
XYDataSeries
FastScatterSeries
Inherited Members
Namespace: Syncfusion.Maui.Toolkit.Charts
Assembly: Syncfusion.Maui.Toolkit.dll
Syntax
public class FastScatterSeries : XYDataSeries, IDatapointSelectionDependent, ITooltipDependent, IDataTemplateDependent, IDrawCustomLegendIcon
Remarks

To render a series, create an instance of FastScatterSeries class, and add it to the Series collection.

It provides options for Fill, StrokeWidth to customize the appearance.

EnableTooltip - A tooltip displays information while tapping or mouse hovering above a segment. To display the tooltip on a chart, you need to set the EnableTooltip property as true in FastScatterSeries class, and also refer TooltipBehavior property.

LegendIcon - To customize the legend icon using the LegendIcon property.

Considering performance, animation, data labels, selection, and palette brushes are currently not supported for the FastScatterSeries.

The FastScatterSeries does not support empty points.

Examples
    <chart:SfCartesianChart>

          <chart:SfCartesianChart.XAxes>
              <chart:NumericalAxis/>
          </chart:SfCartesianChart.XAxes>

          <chart:SfCartesianChart.YAxes>
              <chart:NumericalAxis/>
          </chart:SfCartesianChart.YAxes>

          <chart:SfCartesianChart.Series>
              <chart:FastScatterSeries
                  ItemsSource="{Binding Data}"
                  XBindingPath="XValue"
                  YBindingPath="YValue"/>
          </chart:SfCartesianChart.Series>  

    </chart:SfCartesianChart>

Constructors

FastScatterSeries()

Initialize the constructor

Declaration
public FastScatterSeries()

Fields

PointHeightProperty

Identifies the PointHeight bindable property.

Declaration
public static readonly BindableProperty PointHeightProperty
Field Value
Type
Microsoft.Maui.Controls.BindableProperty
Remarks

The PointHeight property defines the height of the fastscatter segment size.

PointWidthProperty

Identifies the PointWidth bindable property.

Declaration
public static readonly BindableProperty PointWidthProperty
Field Value
Type
Microsoft.Maui.Controls.BindableProperty
Remarks

The PointWidth property defines the width of the fastscatter segment size.

StrokeProperty

Identifies the Stroke bindable property.

Declaration
public static readonly BindableProperty StrokeProperty
Field Value
Type
Microsoft.Maui.Controls.BindableProperty
Remarks

The Stroke property helps to customize the stroke appearance of the fastscatter segment.

TypeProperty

Identifies the Type bindable property.

Declaration
public static readonly BindableProperty TypeProperty
Field Value
Type
Microsoft.Maui.Controls.BindableProperty
Remarks

The Type property indicates the shape of the fastscatter segment.

Properties

PointHeight

Gets or sets a value that defines the height of the fastscatter segment size.

Declaration
public double PointHeight { get; set; }
Property Value
Type Description
System.Double

It accepts double values and its default value is 5.
Examples
    <chart:SfCartesianChart>

    <!-- ... Eliminated for simplicity-->

         <chart:FastScatterSeries ItemsSource = "{Binding Data}"
                              XBindingPath = "XValue"
                              YBindingPath = "YValue"
                              PointHeight = "20"/>

    </chart:SfCartesianChart>

PointWidth

Gets or sets a value that defines the width of the fastscatter segment size.

Declaration
public double PointWidth { get; set; }
Property Value
Type Description
System.Double

It accepts double values and its default value is 5.
Examples
    <chart:SfCartesianChart>

    <!-- ... Eliminated for simplicity-->

         <chart:FastScatterSeries ItemsSource = "{Binding Data}"
                              XBindingPath = "XValue"
                              YBindingPath = "YValue"
                              PointWidth = "20"/>

    </chart:SfCartesianChart>

Stroke

Gets or sets a value to customize the stroke appearance of the fastscatter segment.

Declaration
public Brush Stroke { get; set; }
Property Value
Type Description
Microsoft.Maui.Controls.Brush

It accepts Microsoft.Maui.Controls.Brush values and its default value is null.
Examples
    <chart:SfCartesianChart>

    <!-- ... Eliminated for simplicity-->

         <chart:FastScatterSeries ItemsSource = "{Binding Data}"
                              XBindingPath = "XValue"
                              YBindingPath = "YValue"
                              StrokeWidth = "2"
                              Stroke = "Red" />

    </chart:SfCartesianChart>

Type

Gets or sets a value that indicates the shape of the fastscatter segment.

Declaration
public ShapeType Type { get; set; }
Property Value
Type Description
ShapeType

It accepts ShapeType values and its default value is Circle.
Examples
    <chart:SfCartesianChart>

    <!-- ... Eliminated for simplicity-->

         <chart:FastScatterSeries ItemsSource = "{Binding Data}"
                              XBindingPath = "XValue"
                              YBindingPath = "YValue"
                              Type = "Diamond"/>

    </chart:SfCartesianChart>

Methods

CreateSegment()

Creates and initializes a new chart segment for the chart.

Declaration
protected override ChartSegment CreateSegment()
Returns
Type
ChartSegment
Overrides

GetDataPointIndex(Single, Single)

Retrieves the index of a specific data point within a chart series, typically based on the interaction or coordinates on the chart.

Declaration
public override int GetDataPointIndex(float pointX, float pointY)
Parameters
Type Name Description
System.Single pointX
System.Single pointY
Returns
Type
System.Int32
Overrides