||ElevationModel is a specialization of a
BranchGroup that holds Java3D
geometry objects representing a terrain map.
||ElevationSegment is a specialization of Shape3d.
||This class is used to store the ground coordinates of a terrain data segment
the latitude and longitude of each corner of the terrain area are stored in
||This class is a specialization of the TriangleStripArray created
to enhance performance of generating triangle strips.
||LOD segment is based on a TransformGroup.