Description
A composite of display conditions combined using a
Binary Logic Operation. For example, several
Time Interval Display Condition objects can be added to a composite. The composite can then be assigned to an object so the object is only
rendered when the current animation time is within one of the time intervals.
Public Methods
 Add | Adds a display condition to the end of the composite. |
| AddWithNegate | Adds a display condition to the end of the composite. |
| Clear | Removes all display conditions from the composite. |
| GetNegate | Determines if a logical not operation is applied to a display condition in the composite. |
| GetNegateAt | Determines if a logical not operation is applied to a display condition in the composite. |
| Insert | Inserts a display condition at the given zero-based index, shifting existing display conditions. |
| InsertWithNegate | Inserts a display condition at the given zero-based index, shifting existing display conditions. |
| Remove | Removes a display condition from the composite. |
| RemoveAt | Removes the display condition at the given zero-based index, shifting existing display conditions. |
| Reserve | Requests enough memory for the composite to contain at least count display conditions. Count will not be affected but Capacity may be. |
| SetNegate | Sets if a logical not operation is applied to a display condition in the composite when the composite is evaluated. |
| SetNegateAt | Sets if a logical not operation is applied to a display condition in the composite when the composite is evaluated. |
Public Properties
 Capacity | Gets the number of display conditions for which memory has been allocated. This will always be greater or equal to Count. |
| Count | Gets the number of display conditions in the composite. |
| Item | Returns the condition at the given zero-based index. |
| LogicOperation | Gets or sets the binary logic operation applied to all display conditions in the composite when the composite is evaluated. To combine logical and and or operations in the same expression, create composites containing composites. |
Interfaces
CoClasses that Implement IAgStkGraphicsCompositeDisplayCondition
Example
Draw a primitive based on multiple conditions
| [C#] |
|---|
IAgStkGraphicsSceneManager manager = ((IAgScenario)root.CurrentScenario).SceneManager;
Array position = new object[] {29.98, -90.25, 0.0 };
IAgStkGraphicsModelPrimitive model = manager.Initializers.ModelPrimitive.InitializeWithStringUri(
modelFile);
model.SetPositionCartographic("Earth", ref position);
model.Scale = Math.Pow(10, 1.5);
IAgDate start1 = root.ConversionUtility.NewDate("UTCG", "30 May 2008 14:00:00.000");
IAgDate end1 = root.ConversionUtility.NewDate("UTCG", "30 May 2008 14:30:00.000");
((IAgAnimation)root).CurrentTime = double.Parse(start1.Format("epSec"));
IAgDate start2 = root.ConversionUtility.NewDate("UTCG", "30 May 2008 15:00:00.000");
IAgDate end2 = root.ConversionUtility.NewDate("UTCG", "30 May 2008 15:30:00.000");
IAgStkGraphicsTimeIntervalDisplayCondition time1 = manager.Initializers.TimeIntervalDisplayCondition.InitializeWithTimes(start1, end1);
IAgStkGraphicsTimeIntervalDisplayCondition time2 = manager.Initializers.TimeIntervalDisplayCondition.InitializeWithTimes(start2, end2);
IAgStkGraphicsCompositeDisplayCondition composite = manager.Initializers.CompositeDisplayCondition.Initialize();
composite.Add((IAgStkGraphicsDisplayCondition)time1);
composite.Add((IAgStkGraphicsDisplayCondition)time2);
composite.LogicOperation = AgEStkGraphicsBinaryLogicOperation.eStkGraphicsBinaryLogicOperationOr;
((IAgStkGraphicsPrimitive)model).DisplayCondition = composite as IAgStkGraphicsDisplayCondition;
IAgCrdnAxesFindInAxesResult result = root.VgtRoot.WellKnownAxes.Earth.Fixed.FindInAxes(((IAgScenario)root.CurrentScenario).Epoch, ((IAgCrdnAxes)axes));
model.Orientation = result.Orientation;
manager.Primitives.Add((IAgStkGraphicsPrimitive)model);
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Draw a primitive based on multiple conditions
| [Visual Basic .NET] |
|---|
Dim manager As IAgStkGraphicsSceneManager = DirectCast(root.CurrentScenario, IAgScenario).SceneManager
Dim position As Array = New Object() {29.98, -90.25, 0.0}
Dim model As IAgStkGraphicsModelPrimitive = manager.Initializers.ModelPrimitive.InitializeWithStringUri( _
modelFile)
model.SetPositionCartographic("Earth", position)
model.Scale = Math.Pow(10, 1.5)
Dim start1 As IAgDate = root.ConversionUtility.NewDate("UTCG", "30 May 2008 14:00:00.000")
Dim end1 As IAgDate = root.ConversionUtility.NewDate("UTCG", "30 May 2008 14:30:00.000")
DirectCast(root, IAgAnimation).CurrentTime = Double.Parse(start1.Format("epSec"))
Dim start2 As IAgDate = root.ConversionUtility.NewDate("UTCG", "30 May 2008 15:00:00.000")
Dim end2 As IAgDate = root.ConversionUtility.NewDate("UTCG", "30 May 2008 15:30:00.000")
Dim time1 As IAgStkGraphicsTimeIntervalDisplayCondition = manager.Initializers.TimeIntervalDisplayCondition.InitializeWithTimes(start1, end1)
Dim time2 As IAgStkGraphicsTimeIntervalDisplayCondition = manager.Initializers.TimeIntervalDisplayCondition.InitializeWithTimes(start2, end2)
Dim composite As IAgStkGraphicsCompositeDisplayCondition = manager.Initializers.CompositeDisplayCondition.Initialize()
composite.Add(DirectCast(time1, IAgStkGraphicsDisplayCondition))
composite.Add(DirectCast(time2, IAgStkGraphicsDisplayCondition))
composite.LogicOperation = AgEStkGraphicsBinaryLogicOperation.eStkGraphicsBinaryLogicOperationOr
DirectCast(model, IAgStkGraphicsPrimitive).DisplayCondition = TryCast(composite, IAgStkGraphicsDisplayCondition)
Dim result As IAgCrdnAxesFindInAxesResult = root.VgtRoot.WellKnownAxes.Earth.Fixed.FindInAxes(DirectCast(root.CurrentScenario, IAgScenario).Epoch, DirectCast(axes, IAgCrdnAxes))
model.Orientation = result.Orientation
manager.Primitives.Add(DirectCast(model, IAgStkGraphicsPrimitive))
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Display a Primitive During an Interval
| [Python - STK API] |
|---|
# IAgScenario scenario: Scenario object
# IAgStkGraphicsModelPrimitive model: Graphics Primitive
manager = scenario.SceneManager
composite = manager.Initializers.CompositeDisplayCondition.Initialize()
root.UnitPreferences.Item('DateFormat').SetCurrentUnit('EpSec')
start = root.ConversionUtility.NewDate('EpSec', str(scenario.StartTime))
stop = root.ConversionUtility.NewDate('EpSec', str(scenario.StartTime + 600))
timeInterval = manager.Initializers.TimeIntervalDisplayCondition.InitializeWithTimes(start, stop)
composite.Add(timeInterval)
model.DisplayCondition = composite
|
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Display a Primitive During an Interval
| [MATLAB] |
|---|
% IAgScenario scenario: Scenario object
% IAgStkGraphicsModelPrimitive model: Graphics Primitive
manager = scenario.SceneManager;
composite = manager.Initializers.CompositeDisplayCondition.Initialize;
root.UnitPreferences.Item('DateFormat').SetCurrentUnit('EpSec')
start = root.ConversionUtility.NewDate('EpSec', num2str(scenario.StartTime));
stop = root.ConversionUtility.NewDate('EpSec', num2str(scenario.StartTime + 600));
timeInterval = manager.Initializers.TimeIntervalDisplayCondition.InitializeWithTimes(start, stop);
composite.Add(timeInterval);
model.DisplayCondition = composite;
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See Also
