GM_DatumInfo_t Fields 
The GM_DatumInfo_t type exposes the following members.
Name  Description  

mDatumName 
Name of datum


mDeltaX 
Delta X in meters


mDeltaY 
Delta Y in meters


mDeltaZ 
Delta Z in meters


mEllipsoidName 
Name of ellipsoid this datum is based on


mMethod 
Transformation method


mPrimeMeridian 
Prime meridian for datum (0.0 for Greenwich)


mPrimeMeridianName 
Optional name of prime meridian


mRotX 
Rotation in X in arc seconds (GM_Datum_BursaWolfe only)


mRotY 
Rotation in Y in arc seconds (GM_Datum_BursaWolfe only)


mRotZ 
Rotation in Z in arc seconds (GM_Datum_BursaWolfe only)


mScale 
Scale factor (GM_Datum_BursaWolfe only)


mSemiMajor 
Ellipsoid semimajor axis (output only)


mSemiMinor 
Ellipsoid semimajor axis (output only)
