CentralBodyGetAzimuthElevationRangeEvaluator Method (VectorDisplacement, EvaluatorGroup)
Gets an evaluator to find the azimuth, elevation, and range of a displacement vector as observed
from the initial point, and associates the evaluator with the specified evaluator group.
AGI.Foundation.Models (in AGI.Foundation.Models.dll) Version: 21.2.409.0 (21.2.409.0)
public MotionEvaluator<AzimuthElevationRange> GetAzimuthElevationRangeEvaluator(
Public Function GetAzimuthElevationRangeEvaluator (
displacementVector As VectorDisplacement,
group As EvaluatorGroup
) As MotionEvaluator(Of AzimuthElevationRange)
member GetAzimuthElevationRangeEvaluator :
displacementVector : VectorDisplacement *
group : EvaluatorGroup -> MotionEvaluator<AzimuthElevationRange>
- Type: AGI.Foundation.GeometryVectorDisplacement
The displacement vector.
- 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.
An evaluator to find the azimuth, elevation, and range.
Azimuth is measured positive in an easterly direction from the observer's local north in a
plane tangent to the surface of the central body at the location of the observer. Using this
convention, local north is at 0-degrees azimuth, local east is at 90-degrees azimuth, local
south is at 180-degrees azimuth, and local west is at 270-degrees azimuth.
Elevation is the angle between the relative position vector and the plane tangent to the
surface of the central body at the location of the observer and is measured as positive
away from the central body.