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PerformanceAssessmentFileGetEvaluator Method (Int32, Duration, Boolean, EvaluatorGroup)

Gets an evaluator that can be used to find assessed performance data over time for a given GPS satellite.

Namespace:  AGI.Foundation.Navigation.DataReaders
Assembly:  AGI.Foundation.Navigation (in AGI.Foundation.Navigation.dll) Version: 19.2.399.0 (19.2.399.0)
Syntax
public Evaluator<PerformanceAssessmentField> GetEvaluator(
	int prn,
	Duration availabilityThreshold,
	bool allowExtrapolation,
	EvaluatorGroup group
)

Parameters

prn
Type: SystemInt32
The Pseudo Random Number (PRN) identifying the satellite.
availabilityThreshold
Type: AGI.Foundation.TimeDuration
The availability threshold used when evaluating assessed performance. If two records in the file are separated by a duration longer than this availability threshold, the evaluator will report that it is not available between the two records.
allowExtrapolation
Type: SystemBoolean
Indicates whether the returned evaluator is allowed to extrapolate assessed performance before the first record or after the last one.
group
Type: AGI.FoundationEvaluatorGroup
The group with which to associate the new evaluator. By grouping evaluators that are often evaluated at the same Julian dates, common computations can be performed only once for the entire group instead of multiple times for each evaluator.

Return Value

Type: EvaluatorPerformanceAssessmentField
An evaluator to find the assessed performance data over time for a given GPS satellite.
Exceptions
ExceptionCondition
ArgumentNullException Thrown when group is .
See Also