GetInterpolatedSeriesValue Method (SplineSeriesBase)

Gets a data value based on the surrounding data items.

Syntax

Visual Basic

protected internal override double GetInterpolatedSeriesValue( 
   double p,
   IList<double> column,
   int prevItem,
   int nextItem,
   int unsortedPrevItem,
   int unsortedNextItem,
   double offset,
   bool isSorting
)

C#

'Declaration
 
Protected Friend Overrides Function GetInterpolatedSeriesValue( _
   ByVal p As Double, _
   ByVal column As IList(Of Double), _
   ByVal prevItem As Integer, _
   ByVal nextItem As Integer, _
   ByVal unsortedPrevItem As Integer, _
   ByVal unsortedNextItem As Integer, _
   ByVal offset As Double, _
   ByVal isSorting As Boolean _
) As Double

 

Parameters

p

The distance from prevItem, expressed as a value between 0 and 1.

column

The series data values.

prevItem

The index of the previous data item.

nextItem

The index of the next data item.

unsortedPrevItem

The unsorted index of the previous data item.

unsortedNextItem

The unsorted index of the next data item.

offset

The distance between the edge of the axis and the first or last data item.

isSorting

True if the associated axis is one that sorts its items.

Return Value

A value interpolated at a distance of p between prevItem and nextItem.

Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2