/*
 * STRUCT: SRM_GCS_3D_COORD
 *
 *   A coordinate within the GCS ("Global Coordinate System") 3D Spatial
 *   Reference Frame (SRF).
 *
 *   Only used within the SE_COORD_3D union.  Parallels the definition of
 *   the fields for the <GCS Location 3D> class.
 */
typedef struct
{
SE_PINT16 cell_ID; (notes)
SE_FLOAT64 x; (notes)
SE_FLOAT64 y; (notes)
SE_FLOAT64 z; (notes)
} SRM_GCS_3D_COORD;

Field Notes

cell_ID

 between 1 and 49778, inclusive

x

 in meters, positive Eastward

y

 in meters, positive Northward

z

 in meters, the height or elevation value;
 positive along xy surface normal
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