Class LogarithmicAxis

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

Inheritance
System.Object
ChartAxis
RangeAxisBase
LogarithmicAxis
Inherited Members
Namespace: Syncfusion.Maui.Charts
Assembly: Syncfusion.Maui.Charts.dll
Syntax
public class LogarithmicAxis : RangeAxisBase, IThemeElement
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.

Examples
<chart:SfCartesianChart>

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

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

</chart:SfCartesianChart>

Constructors

LogarithmicAxis()

Declaration
public LogarithmicAxis()

Fields

IntervalProperty

Identifies the Interval bindable property.

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

LogarithmicBaseProperty

Identifies the LogarithmicBase bindable property.

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

MaximumProperty

Identifies the Maximum bindable property.

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

MinimumProperty

Identifies the Minimum bindable property.

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

PlotBandsProperty

Identifies the PlotBands bindable property.

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

Properties

ActualMaximum

Gets the actual maximum value of the logarithmic axis

Declaration
public double ActualMaximum { get; }
Property Value
Type
System.Double
Examples
  <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>

ActualMinimum

Gets the actual minimum value of the logarithmic axis.

Declaration
public double ActualMinimum { get; }
Property Value
Type
System.Double
Examples
  <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>

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

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

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

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

PlotBands

Gets or sets the collection of plot bands to be added to the chart axis.

Declaration
public NumericalPlotBandCollection PlotBands { get; set; }
Property Value
Type
NumericalPlotBandCollection

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
System.Double
Overrides

CalculateActualRange()

Declaration
protected override DoubleRange CalculateActualRange()
Returns
Type
DoubleRange
Overrides

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
System.Double
Overrides

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
DoubleRange
Overrides