ellpfns.h

GPS的串口读取数据过程,并且进行了坐标转换,转化为通用的坐标系

/************************************************************
 **       Copyright 2002 BUAA VRLAB                        **
 **       All rights reserved.                             **
 **       Coordinate Transformation                        **
 ************************************************************/
/************************************************************/
/*           Kingsong  2002.12                              */
/************************************************************/

#ifndef _ELLPFNS_H 
#define _ELLPFNS_H

#include "Cnstnts.h"

/*	Notation
		e = eccentricity
		rf = reciprocal flattening ( 0.0 => sphere )
		phi = geodetic latitude ( radians, [-