Historian SDK

InterpolationType Property (HistoryQueryResult)

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InterpolationType Property (HistoryQueryResult)

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Last UpdatedAug 21, 2026
1 minute read

Gets or sets a value used to determine which analog value to return at a given cycle boundary.

Syntax

'Declaration
 
Public Property InterpolationType As String

'Usage
 
Dim instance As HistoryQueryResult
Dim value As String
 
instance.InterpolationType = value
 
value = instance.InterpolationType

public string InterpolationType {get; set;}

public:
property String^ InterpolationType {
   String^ get();
   void set (    String^ value);
}

Property Value

Valid values are STAIRSTEP and LINEAR. If STAIRSTEP is specified, no interpolation occurs. The last known point is returned with the given cycle time. If no valid value can be found, a NULL is returned. If LINEAR is specified, the system calculates a new value at the given cycle time by interpolating between the last known value prior to the cycle time and the first value after the cycle time.

Historian SDK