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EllipsoidGrazingAltitude Method (Cartesian, UnitCartesian)

Provides the nearest distance between the ellipsoid and the line segment from the provided position and along the indicated direction. The line segment is considered to be infinite in length but starting at the provided position. This means that possibly smaller grazing altitudes along the opposite direction are not reported.

Namespace:  AGI.Foundation.Geometry.Shapes
Assembly:  AGI.Foundation.Core (in AGI.Foundation.Core.dll) Version: 24.1.418.0 (24.1.418.0)
public double GrazingAltitude(
	Cartesian position,
	UnitCartesian direction


Type: AGI.Foundation.CoordinatesCartesian
The position exterior to the ellipsoid.
Type: AGI.Foundation.CoordinatesUnitCartesian
The reference direction.

Return Value

Type: Double
The nearest distance.
If the line segment passes through the ellipsoid then the altitude will be a negative value representing the maximum depth required to reach the surface.
See Also