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AFDataInterpolatedValue Method

Returns a single AFValue whose value is interpolated at the passed time.

Namespace:  OSIsoft.AF.Data
Assembly:  OSIsoft.AFSDK (in OSIsoft.AFSDK.dll) Version:
public AFValue InterpolatedValue(
	AFTime time,
	UOM desiredUOM


Type: OSIsoft.AF.TimeAFTime
The time at which the value is desired.
Type: OSIsoft.AF.UnitsOfMeasureUOM
The desired unit of measure for the returned value. If , then the value is returned in the unit of measure specified by the associated attribute's DefaultUOM property.

Return Value

Type: AFValue
Returns the AFValue for the attribute. If AFValue.IsGood returned by the data reference is , then the returned value is converted to the proper UOM and Type. The timestamp of the value will be at the requested time.
NotSupportedException The data reference does not support this method.
To retrieve recorded values for multiple attributes, use the AFListData.InterpolatedValue to achieve better performance.

Note Notes to Callers
This method, property, or class is only available in the .NET 4 version of the SDK.

Security note Security Note
You must have ReadData security rights to read a data value.

Version Information


Supported in: 2.10.5, 2.10, 2.9.5, 2.9, 2.8.5, 2.8, 2.7.5, 2.7, 2.6, 2.5
See Also
Enabling Operational Intelligence