coordinateconv.h

经纬度之间的转换：知道两点的经纬度求的两点之间的方位和距离；以及知道一点的经纬度和方位距离求另一点的经纬度

#if !defined(AFX_COORDINATECONV_H__362DC6AB_94C6_4A92_B783_3407CF06395B__INCLUDED_)
#define AFX_COORDINATECONV_H__362DC6AB_94C6_4A92_B783_3407CF06395B__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class CCoordinateConv : public CObject  
{
public:
	BOOL IsNearRightAngle(double dOrient);
	CCoordinateConv();
	virtual ~CCoordinateConv();
    void StartLatLonCSToEndLatLon(double dBeginLat,
								  double dBeginLong,
								  double dOrient,
								  double dDist,
								  double& dEndLat,
								  double& dEndLong);   // 已知起点经纬度和航向（方位）、航程（距离），求终点经纬度

	void LongLatToXY(double dBeginLat,
					 double dBeginLong,
					 double dEndLat,
					 double dEndLong,
					 double& dOrient,
					 double& dDist);//已知起点和终点经纬度，求航向（方位）、航程（距离）
};

#endif // !defined(AFX_COORDINATECONV_H__362DC6AB_94C6_4A92_B783_3407CF06395B__INCLUDED_)