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AF SDK Reference

AFDataReference.InterpolatedValuesAtTimes Method

  • Last UpdatedNov 18, 2025
  • 3 minute read
AFDataReference.InterpolatedValuesAtTimes Method
Retrieves interpolated values at the specified times.

Namespace:  OSIsoft.AF.Asset
Assembly:  OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version: 3.1.1.1182

Syntax

public virtual AFValues InterpolatedValuesAtTimes(
	IList<AFTime> times,
	string filterExpression,
	bool includeFilteredValues,
	AFAttributeList inputAttributes,
	AFValues[] inputValues
)
Public Overridable Function InterpolatedValuesAtTimes ( 
	times As IList(Of AFTime),
	filterExpression As String,
	includeFilteredValues As Boolean,
	inputAttributes As AFAttributeList,
	inputValues As AFValues()
) As AFValues

Dim instance As AFDataReference
Dim times As IList(Of AFTime)
Dim filterExpression As String
Dim includeFilteredValues As Boolean
Dim inputAttributes As AFAttributeList
Dim inputValues As AFValues()
Dim returnValue As AFValues

returnValue = instance.InterpolatedValuesAtTimes(times, 
	filterExpression, includeFilteredValues, 
	inputAttributes, inputValues)
public:
virtual AFValues^ InterpolatedValuesAtTimes(
	IList<AFTime>^ times, 
	String^ filterExpression, 
	bool includeFilteredValues, 
	AFAttributeList^ inputAttributes, 
	array<AFValues^>^ inputValues
)
abstract InterpolatedValuesAtTimes : 
        times : IList<AFTime> * 
        filterExpression : string * 
        includeFilteredValues : bool * 
        inputAttributes : AFAttributeList * 
        inputValues : AFValues[] -> AFValues 
override InterpolatedValuesAtTimes : 
        times : IList<AFTime> * 
        filterExpression : string * 
        includeFilteredValues : bool * 
        inputAttributes : AFAttributeList * 
        inputValues : AFValues[] -> AFValues 

Parameters

times
Type: System.Collections.GenericIListAFTime
List of timestamps at which to retrieve interpolated values
filterExpression
Type: SystemString
A string containing a filter expression. Expression variables are relative to the attribute. Use '.' to reference the containing attribute. A or empty string indicates no filtering. If the attribute does not support the Filters option, the filter will be ignored.
includeFilteredValues
Type: SystemBoolean
Specify to indicate that values which fail the filter criteria are present in the returned data at the times where they occurred with a value set to a "Filtered" enumeration value with bad status. Repeated consecutive failures are omitted.
inputAttributes
Type: OSIsoft.AF.AssetAFAttributeList
The input attributes as previously specified by the data reference in the GetInputs(Object) call. The index of the values will match the index of the corresponding attribute previously returned. These values must be converted to the appropriate UOM required by this data reference.
inputValues
Type: OSIsoft.AF.AssetAFValues
The input values are supplied to the data reference based on the attributes returned in the GetInputs(Object) call. The index of the values will match the index of the corresponding attribute previously returned. These values must be converted to the appropriate UOM required by this data reference.

Return Value

Type: AFValues
Returns an AFValues collection with the interpolated values at the specified times.

Exceptions

ExceptionCondition
NotSupportedException The data reference does not support the this method, or the configured data reference does not support filter expressions and one was provided.
ArgumentNullException The times is .
ArgumentException The times list must be monotonic.

Remarks

Note Notes to Callers
This method, property, or class is not available in the legacy .NET 3.5 version of the SDK.

Version Information

AFSDK


See Also

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