Class SplineRangeAreaSeries

The SplineRangeAreaSeries is a set of data points represented by smooth Bezier curves, with the area between the curves filled to illustrate the range between two values.

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

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

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 SplineRangeAreaSeries class, and also refer TooltipBehavior property.

Data Label - Data labels are used to display values related to a chart segment. To render the data labels, you need to set the ShowDataLabels property as True in SplineRangeAreaSeries class. To customize the chart data labels alignment, placement, and label styles, you need to create an instance of CartesianDataLabelSettings and set to the DataLabelSettings property.

Animation - To animate the series, set True to the EnableAnimation property.

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

Examples
    <chart:SfCartesianChart>

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

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

          <chart:SfCartesianChart.Series>
              <chart:SplineRangeAreaSeries
                  ItemsSource="{Binding Data}"
                  XBindingPath="XValue"
                  High="HighValue"
                  Low="LowValue"/>
          </chart:SfCartesianChart.Series>  

    </chart:SfCartesianChart>

Constructors

SplineRangeAreaSeries()

Declaration
public SplineRangeAreaSeries()

Fields

MarkerSettingsProperty

Identifies the MarkerSettings bindable property.

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

ShowMarkersProperty

Identifies the ShowMarkers bindable property.

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

TypeProperty

Identifies the Type bindable property.

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

Properties

MarkerSettings

Gets or sets the option for customize the series markers.

Declaration
public ChartMarkerSettings MarkerSettings { get; set; }
Property Value
Type Description
ChartMarkerSettings

It accepts ChartMarkerSettings.
Examples
    <chart:SfCartesianChart>

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

         <chart:SplineRangeAreaSeries ItemsSource="{Binding Data}"
                           XBindingPath="XValue"
                           High="HighValue"
                           Low="LowValue"
                           ShowMarkers="True">
              <chart:SplineRangeAreaSeries.MarkerSettings>
                    <chart:ChartMarkerSettings Fill="Red" Height="15" Width="15" />
              </chart:SplineRangeAreaSeries.MarkerSettings>
         </chart:SplineRangeAreaSeries>

    </chart:SfCartesianChart>

ShowMarkers

Gets or sets the value indicating whether to show markers for the series data point.

Declaration
public bool ShowMarkers { get; set; }
Property Value
Type Description
System.Boolean

It accepts boolean values and its default value is false.
Examples
    <chart:SfCartesianChart>

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

         <chart:SplineRangeAreaSeries ItemsSource="{Binding Data}"
                                      XBindingPath="XValue"
                                      High="HighValue"
                                      Low="LowValue"
                                      ShowMarkers="True"/>

    </chart:SfCartesianChart>

Type

Gets or sets a value that indicates the shape of the spline range area series.

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

It accepts SplineType values and its default value is Natural.
Examples
    <chart:SfCartesianChart>

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

         <chart:SplineRangeAreaSeries ItemsSource="{Binding Data}"
                           XBindingPath="XValue"
                           High="HighValue"
                           Low="LowValue"
                           Type = "Monotonic"/>

    </chart:SfCartesianChart>

Methods

CreateSegment()

Create Spline range area segment

Declaration
protected override ChartSegment CreateSegment()
Returns
Type
ChartSegment
Overrides

DrawMarker(ICanvas, Int32, ShapeType, Rect)

Draw the marker shape

Declaration
protected virtual void DrawMarker(ICanvas canvas, int index, ShapeType type, Rect rect)
Parameters
Type Name Description
Microsoft.Maui.Graphics.ICanvas canvas
System.Int32 index
ShapeType type
Microsoft.Maui.Graphics.Rect rect

GetDataPointIndex(Single, Single)

Methods to get the index of data point.

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

OnBindingContextChanged()

Declaration
protected override void OnBindingContextChanged()
Overrides

See Also