public static void ELUToYPR( XVertex3d vEye, XVertex3d vLookAt, XVertex3d vUp, ref XAngle yaw, ref XAngle pitch, ref XAngle roll, bool bodyFrame )
NXDL is a registered trademark of Pixoneer Geomatics, Inc., registered in the Republic of KOREA Patent and Trademark Office, for the computer program described herein.