Description

Object Model

Public Methods

FindIntervals	Return computed interval list that can be empty.
Occurred	Determine if specified time falls within computed interval list.

Public Properties

Descriptions	Get the labels associated with the interval list.
Labels	Get the label descriptions associated with the interval list.
Type	Return the type of interval list.

Example

Determine if epoch occured in interval collection.

[C#]

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IAgCrdnEventIntervalList intervalList = provider.EventIntervalLists["AttitudeIntervals"];    // The reference event you want to determine if event of interest happened before.  IAgCrdnEvent timeEvent = provider.Events["GroundTrajectory.Detic.LLA.Altitude.TimeOfMin"];  IAgCrdnEventFindOccurrenceResult occurrence = timeEvent.FindOccurrence();    if (intervalList.Occurred(occurrence.Epoch))  {      Console.WriteLine("The time of maximum altitude occurred in event interval list.");  }  else  {      Console.WriteLine("The time of maximum altitude did not occurred in event interval list.");  }

Determines the event intervals contained in the interval list.

[C#]

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IAgCrdnEventIntervalList intervalsList = provider.EventIntervalLists["AttitudeIntervals"];    IAgCrdnIntervalListResult intervals = intervalsList.FindIntervals();    if (intervals.IsValid)  {      Console.WriteLine("Intervals:");      foreach (IAgCrdnInterval interval in intervals.Intervals)      {          Console.WriteLine("Interval Start: " + interval.Start);          Console.WriteLine("Interval Stop: " + interval.Stop);      }  }

Determine the intervals without access.

[C#]

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// Compute UAV's access to the satellite  IAgStkObject satellite = stkRoot.GetObjectFromPath("Satellite/LEO");  IAgStkObject aircraft = stkRoot.GetObjectFromPath("Aircraft/UAV");  IAgStkAccess satelliteAccess = aircraft.GetAccessToObject(satellite);  satelliteAccess.ComputeAccess();    // Subtract the aircraft availability time with the access times to get the times without access.  IAgCrdnEventIntervalList intervalList = aircraft.Vgt.EventIntervalLists.Factory.CreateEventIntervalListMerged("IntervalsWithoutAccess",  "MyDescription");  IAgCrdnEventIntervalListMerged asListMerged = intervalList as IAgCrdnEventIntervalListMerged;  asListMerged.SetIntervalListA(aircraft.Vgt.EventIntervalLists["AvailabilityIntervals"]);  asListMerged.SetIntervalListB(satelliteAccess.Vgt.EventIntervalLists["AccessIntervals"]);  asListMerged.MergeOperation = AgECrdnEventListMergeOperation.eCrdnEventListMergeOperationMINUS;    // Print times without access.  IAgCrdnIntervalListResult intervals = intervalList.FindIntervals();  if (intervals.IsValid)  {      foreach (IAgCrdnInterval interval in intervals.Intervals)      {          Console.WriteLine("Start: " + interval.Start);          Console.WriteLine("Stop: " + interval.Stop);      }  }

Determine if epoch occured in interval collection.

[Visual Basic .NET]

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Dim intervalList As IAgCrdnEventIntervalList = provider.EventIntervalLists("AttitudeIntervals") ' The reference event you want to determine if event of interest happened before. Dim timeEvent As IAgCrdnEvent = provider.Events("GroundTrajectory.Detic.LLA.Altitude.TimeOfMin") Dim occurrence As IAgCrdnEventFindOccurrenceResult = timeEvent.FindOccurrence() If intervalList.Occurred(occurrence.Epoch) Then     Console.WriteLine("The time of maximum altitude occurred in event interval list.") Else     Console.WriteLine("The time of maximum altitude did not occurred in event interval list.") End If

Determines the event intervals contained in the interval list.

[Visual Basic .NET]

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Dim intervalsList As IAgCrdnEventIntervalList = provider.EventIntervalLists("AttitudeIntervals") Dim intervals As IAgCrdnIntervalListResult = intervalsList.FindIntervals() If intervals.IsValid Then     Console.WriteLine("Intervals:")     For Each interval As IAgCrdnInterval In intervals.Intervals         Console.WriteLine("Interval Start: " + interval.Start)         Console.WriteLine("Interval Stop: " + interval.[Stop])     Next End If

Determine the intervals without access.

[Visual Basic .NET]

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' Compute UAV's access to the satellite Dim satellite As IAgStkObject = stkRoot.GetObjectFromPath("Satellite/LEO") Dim aircraft As IAgStkObject = stkRoot.GetObjectFromPath("Aircraft/UAV") Dim satelliteAccess As IAgStkAccess = aircraft.GetAccessToObject(satellite) satelliteAccess.ComputeAccess() ' Subtract the aircraft availability time with the access times to get the times without access. Dim intervalList As IAgCrdnEventIntervalList = aircraft.Vgt.EventIntervalLists.Factory.CreateEventIntervalListMerged("IntervalsWithoutAccess", "MyDescription") Dim asListMerged As IAgCrdnEventIntervalListMerged = TryCast(intervalList, IAgCrdnEventIntervalListMerged) asListMerged.SetIntervalListA(aircraft.Vgt.EventIntervalLists("AvailabilityIntervals")) asListMerged.SetIntervalListB(satelliteAccess.Vgt.EventIntervalLists("AccessIntervals")) asListMerged.MergeOperation = AgECrdnEventListMergeOperation.eCrdnEventListMergeOperationMINUS ' Print times without access. Dim intervals As IAgCrdnIntervalListResult = intervalList.FindIntervals() If intervals.IsValid Then     For Each interval As IAgCrdnInterval In intervals.Intervals         Console.WriteLine("Start: " + interval.Start)         Console.WriteLine("Stop: " + interval.[Stop])     Next End If

CoClasses that Implement IAgCrdnEventIntervalList