EllipsoidGrazingAltitudeLocation Method (Cartographic, Cartographic)
Provides the point on the line segment between the initial and final points
which is nearest to the ellipsoid.
The line segment is considered to be finite in length.
This means that possibly closer points which are not between the
initial and final points are not reported.
AGI.Foundation.Core (in AGI.Foundation.Core.dll) Version: 24.1.418.0 (24.1.418.0)
If the line segment passes through the ellipsoid then the height of the returned Cartographic
a negative value representing the maximum depth required to reach the surface.