/*
 * STRUCT: SRM_TM_2D_PARAMETERS
 *
 *   The parameters needed to define the Transverse Mercator (TM) 2D Spatial
 *   Reference Frame (SRF).  See the Spatial Reference Model for details.
 */
typedef struct
{
/*
* Specification of Object Reference Model (ORM)
*/
SE_HORIZONTAL_DATUM_ENUM horizontal_datum;
/*
* Specification of Projection Basis
*/
SE_FLOAT64 geodetic_latitude; (notes)
SE_FLOAT64 geodetic_longitude; (notes)
/*
* Origin Displacement of Coordinate System
*/
SE_FLOAT64 x_offset; (notes)
SE_FLOAT64 y_offset; (notes)
SE_FLOAT64 central_scale_factor; (notes)
} SRM_TM_2D_PARAMETERS;

Field Notes

geodetic_latitude

 in degrees; used to define origin

geodetic_longitude

 in degrees; specifying the meridian of the positive Y axis
 (which is positive northwards)

x_offset

 origin relative displacement in X

y_offset

 origin relative displacement in Y

central_scale_factor

 unitless; normally close to (<=) 1.0
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