Class LogarithmicAxis

Represents a specialized axis to plot data with number values on a logarithmic scale.

Inheritance

System.Object

ChartAxis

RangeAxisBase

LogarithmicAxis

Inherited Members

RangeAxisBase.MinorTicksPerIntervalProperty

RangeAxisBase.EdgeLabelsVisibilityModeProperty

RangeAxisBase.MinorGridLineStyleProperty

RangeAxisBase.MinorTickStyleProperty

RangeAxisBase.ShowMinorGridLinesProperty

RangeAxisBase.OnBindingContextChanged()

RangeAxisBase.EdgeLabelsVisibilityMode

RangeAxisBase.MinorTicksPerInterval

RangeAxisBase.MinorGridLineStyle

RangeAxisBase.MinorTickStyle

RangeAxisBase.ShowMinorGridLines

ChartAxis.IsVisibleProperty

ChartAxis.AxisLineOffsetProperty

ChartAxis.LabelRotationProperty

ChartAxis.LabelStyleProperty

ChartAxis.AxisLineStyleProperty

ChartAxis.CrossesAtProperty

ChartAxis.RenderNextToCrossingValueProperty

ChartAxis.CrossAxisNameProperty

ChartAxis.TitleProperty

ChartAxis.IsInversedProperty

ChartAxis.EdgeLabelsDrawingModeProperty

ChartAxis.MajorGridLineStyleProperty

ChartAxis.MajorTickStyleProperty

ChartAxis.ZoomPositionProperty

ChartAxis.ZoomFactorProperty

ChartAxis.ShowMajorGridLinesProperty

ChartAxis.NameProperty

ChartAxis.PlotOffsetStartProperty

ChartAxis.PlotOffsetEndProperty

ChartAxis.EnableAutoIntervalOnZoomingProperty

ChartAxis.ShowTrackballLabelProperty

ChartAxis.TrackballLabelStyleProperty

ChartAxis.AutoScrollingModeProperty

ChartAxis.AutoScrollingDeltaProperty

ChartAxis.LabelExtentProperty

ChartAxis.ValueToPoint(Double)

ChartAxis.PointToValue(Double, Double)

ChartAxis.GetActualDesiredIntervalsCount(Size)

ChartAxis.ApplyRangePadding(DoubleRange, Double)

ChartAxis.OnLabelCreated(ChartAxisLabel)

ChartAxis.CalculateVisibleInterval(DoubleRange, Size)

ChartAxis.ComputeDesiredSize(Size)

ChartAxis.DrawAxis(ICanvas, Rect)

ChartAxis.DrawMajorTick(ICanvas, Double, PointF, PointF)

ChartAxis.DrawMinorTick(ICanvas, Double, PointF, PointF)

ChartAxis.DrawAxisLine(ICanvas, Single, Single, Single, Single)

ChartAxis.DrawGridLine(ICanvas, Double, Single, Single, Single, Single)

ChartAxis.OnParentSet()

ChartAxis.IsVisible

ChartAxis.PlotOffsetStart

ChartAxis.PlotOffsetEnd

ChartAxis.AxisLineOffset

ChartAxis.LabelRotation

ChartAxis.LabelStyle

ChartAxis.AxisLineStyle

ChartAxis.CrossesAt

ChartAxis.RenderNextToCrossingValue

ChartAxis.CrossAxisName

ChartAxis.Title

ChartAxis.IsInversed

ChartAxis.EdgeLabelsDrawingMode

ChartAxis.MajorGridLineStyle

ChartAxis.MajorTickStyle

ChartAxis.ZoomPosition

ChartAxis.ZoomFactor

ChartAxis.ShowMajorGridLines

ChartAxis.EnableAutoIntervalOnZooming

ChartAxis.ShowTrackballLabel

ChartAxis.TrackballLabelStyle

ChartAxis.AutoScrollingDelta

ChartAxis.AutoScrollingMode

ChartAxis.Name

ChartAxis.LabelExtent

ChartAxis.LabelCreated

ChartAxis.ActualRangeChanged

Namespace: Syncfusion.Maui.Charts

Assembly: Syncfusion.Maui.Charts.dll

Syntax

public class LogarithmicAxis : RangeAxisBase

Remarks

This class contains properties to customize range, interval, grid lines, ticks, and labels.

Title - To render the title, refer to this Title property.

Grid Lines - To show and customize the grid lines refer these ShowMajorGridLines, and MajorGridLineStyle, ShowMinorGridLines, MinorTicksPerInterval, MinorGridLineStyle properties.

Tick Lines - To show and customize the tick lines refer these MajorTickStyle, MinorTickStyle, MinorTicksPerInterval properties.

Axis Line - To customize the axis line using the AxisLineStyle property.

Range Customization - To customize the axis range with help of the Minimum, and Maximum properties.

Labels Customization - To customize the axis labels, refer to this LabelStyle property.

Inversed Axis - Inverse the axis using the IsInversed property.

Axis Crossing - For axis crossing, refer these CrossesAt, CrossAxisName, and RenderNextToCrossingValue properties.

Interval - Define the axis labels interval using the Interval property.

<chart:SfCartesianChart>

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

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

</chart:SfCartesianChart>

SfCartesianChart chart = new SfCartesianChart();

LogarithmicAxis xaxis = new LogarithmicAxis();
chart.XAxes.Add(xaxis);	

LogarithmicAxis yaxis = new LogarithmicAxis();
chart.YAxes.Add(yaxis);

Constructors

LogarithmicAxis()

Declaration

public LogarithmicAxis()

Fields

IntervalProperty

Identifies the Interval bindable property.

Declaration

public static readonly BindableProperty IntervalProperty

Field Value

Type	Description
Microsoft.Maui.Controls.BindableProperty

LogarithmicBaseProperty

Identifies the LogarithmicBase bindable property.

Declaration

public static readonly BindableProperty LogarithmicBaseProperty

Field Value

Type	Description
Microsoft.Maui.Controls.BindableProperty

MaximumProperty

Identifies the Maximum bindable property.

Declaration

public static readonly BindableProperty MaximumProperty

Field Value

Type	Description
Microsoft.Maui.Controls.BindableProperty

MinimumProperty

Identifies the Minimum bindable property.

Declaration

public static readonly BindableProperty MinimumProperty

Field Value

Type	Description
Microsoft.Maui.Controls.BindableProperty

Properties

ActualMaximum

Gets the actual maximum value of the logarithmic axis

Declaration

public double ActualMaximum { get; }

Property Value

Type	Description
System.Double

Examples

MainWindow.xaml
MainWindow.cs

  <VerticalStackLayout>
    <Label Text="{Binding Source={x:Reference xAxis}, Path=ActualMaximum }" />
    <chart:SfCartesianChart>

          <chart:SfCartesianChart.XAxes>
              <chart:LogarithmicAxis x:Name="xAxis"/>
          </chart:SfCartesianChart.XAxes>

          <chart:SfCartesianChart.YAxes>
              <chart:LogarithmicAxis x:Name="yAxis"/>
          </chart:SfCartesianChart.YAxes>

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

    </chart:SfCartesianChart>
  </VerticalStackLayout>

    SfCartesianChart chart = new SfCartesianChart();

    LogarithmicAxis xAxis = new LogarithmicAxis();
    LogarithmicAxis yAxis = new LogarithmicAxis();

    chart.XAxes.Add(xAxis);
    chart.YAxes.Add(yAxis);

    ColumnSeries series = new ColumnSeries();
    series.ItemsSource = viewmodel.Data;
    series.XBindingPath = "XValue";
    series.YBindingPath = "YValue";
    chart.Series.Add(series);

    Label label = new Label();
    label.SetBinding(Label.TextProperty, new Binding("ActualMaximum", source: xAxis));

ActualMinimum

Gets the actual minimum value of the logarithmic axis.

Declaration

public double ActualMinimum { get; }

Property Value

Type	Description
System.Double

Examples

MainWindow.xaml
MainWindow.cs

  <VerticalStackLayout>
    <Label Text="{Binding Source={x:Reference xAxis}, Path=ActualMinimum }" />
    <chart:SfCartesianChart>

          <chart:SfCartesianChart.XAxes>
              <chart:LogarithmicAxis x:Name="xAxis"/>
          </chart:SfCartesianChart.XAxes>

          <chart:SfCartesianChart.YAxes>
              <chart:LogarithmicAxis x:Name="yAxis"/>
          </chart:SfCartesianChart.YAxes>

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

    </chart:SfCartesianChart>
  </VerticalStackLayout>

    SfCartesianChart chart = new SfCartesianChart();

    LogarithmicAxis xAxis = new LogarithmicAxis();
    LogarithmicAxis yAxis = new LogarithmicAxis();

    chart.XAxes.Add(xAxis);
    chart.YAxes.Add(yAxis);

    ColumnSeries series = new ColumnSeries();
    series.ItemsSource = viewmodel.Data;
    series.XBindingPath = "XValue";
    series.YBindingPath = "YValue";
    chart.Series.Add(series);

    Label label = new Label();
    label.SetBinding(Label.TextProperty, new Binding("ActualMinimum", source: xAxis));

Interval

Gets or sets the interval value that represents the number of divisions required in the LogarithmicAxis.

Declaration

public double Interval { get; set; }

Property Value

Type	Description
System.Double	Defaults to double.NaN

Remarks

Value must be greater than 0.

Examples

MainPage.xaml
MainPage.xaml.cs

<chart:SfCartesianChart>
   <chart:SfCartesianChart.XAxes>
       <chart:CategoryAxis/>
   </chart:SfCartesianChart.XAxes>
   <chart:SfCartesianChart.YAxes>
       <chart:LogarithmicAxis Interval="2"/>
   </chart:SfCartesianChart.YAxes>
</chart:SfCartesianChart>

SfCartesianChart chart = new SfCartesianChart();

ViewModel viewModel = new ViewModel();
chart.BindingContext = viewModel;

LogarithmicAxis yaxis = new LogarithmicAxis();
yaxis.Interval = 2;
chart.YAxes.Add(yaxis);

LogarithmicBase

Gets or sets the logarithmic base value for the axis.

Declaration

public double LogarithmicBase { get; set; }

Property Value

Type	Description
System.Double	Default value is 10.

Remarks

The value cannot be less than 2.

Examples

MainPage.xaml
MainPage.xaml.cs

<chart:SfCartesianChart>
   <chart:SfCartesianChart.XAxes>
       <chart:CategoryAxis/>
   </chart:SfCartesianChart.XAxes>
   <chart:SfCartesianChart.YAxes>
       <chart:LogarithmicAxis LogarithmicBase="10"/>
   </chart:SfCartesianChart.YAxes>
</chart:SfCartesianChart>

SfCartesianChart chart = new SfCartesianChart();

ViewModel viewModel = new ViewModel();
chart.BindingContext = viewModel;

LogarithmicAxis yaxis = new LogarithmicAxis();
yaxis.LogarithmicBase = 10;
chart.YAxes.Add(yaxis);

Maximum

Gets or sets the maximum value of the visible range to be displayed on chart axis.

Declaration

public Nullable<double> Maximum { get; set; }

Property Value

Type	Description
System.Nullable<System.Double>	Defaults to null

Remarks

The value must be greater than 1.

Examples

MainPage.xaml
MainPage.xaml.cs

<chart:SfCartesianChart>
   <chart:SfCartesianChart.XAxes>
       <chart:CategoryAxis/>
   </chart:SfCartesianChart.XAxes>
   <chart:SfCartesianChart.YAxes>
       <chart:LogarithmicAxis Maximum="1000"/>
   </chart:SfCartesianChart.YAxes>
</chart:SfCartesianChart>

SfCartesianChart chart = new SfCartesianChart();

ViewModel viewModel = new ViewModel();
chart.BindingContext = viewModel;

LogarithmicAxis yaxis = new LogarithmicAxis();
yaxis.Maximum = 1000;
chart.YAxes.Add(yaxis);

Minimum

Gets or sets the minimum value of visible range to be displayed on chart axis.

Declaration

public Nullable<double> Minimum { get; set; }

Property Value

Type	Description
System.Nullable<System.Double>	Defaults to null

Remarks

The value must be greater than 0.

Examples

MainPage.xaml
MainPage.xaml.cs

<chart:SfCartesianChart>
   <chart:SfCartesianChart.XAxes>
       <chart:CategoryAxis/>
   </chart:SfCartesianChart.XAxes>
   <chart:SfCartesianChart.YAxes>
       <chart:LogarithmicAxis Minimum="1"/>
   </chart:SfCartesianChart.YAxes>
</chart:SfCartesianChart>

SfCartesianChart chart = new SfCartesianChart();

ViewModel viewModel = new ViewModel();
chart.BindingContext = viewModel;

LogarithmicAxis yaxis = new LogarithmicAxis();
yaxis.Minimum = 1;
chart.YAxes.Add(yaxis);

Methods

CalculateActualInterval(DoubleRange, Size)

Declaration

protected override double CalculateActualInterval(DoubleRange range, Size availableSize)

Parameters

Type	Name	Description
DoubleRange	range
Microsoft.Maui.Graphics.Size	availableSize

Returns

Type	Description
System.Double

Overrides

ChartAxis.CalculateActualInterval(DoubleRange, Size)

CalculateActualRange()

Declaration

protected override DoubleRange CalculateActualRange()

Returns

Type	Description
DoubleRange

Overrides

ChartAxis.CalculateActualRange()

CalculateNiceInterval(DoubleRange, Size)

Declaration

protected override double CalculateNiceInterval(DoubleRange actualRange, Size availableSize)

Parameters

Type	Name	Description
DoubleRange	actualRange
Microsoft.Maui.Graphics.Size	availableSize

Returns

Type	Description
System.Double

Overrides

ChartAxis.CalculateNiceInterval(DoubleRange, Size)

CalculateVisibleRange(DoubleRange, Size)

Declaration

protected override DoubleRange CalculateVisibleRange(DoubleRange actualrange, Size availableSize)

Parameters

Type	Name	Description
DoubleRange	actualrange
Microsoft.Maui.Graphics.Size	availableSize

Returns

Type	Description
DoubleRange

Overrides

ChartAxis.CalculateVisibleRange(DoubleRange, Size)