/////////////////////////////////////////////////////////////////////////////
//文件: Projection.cpp
//主要功能: 
//		投影转换
//
//程序编写:		2008-11-09
//
//
/////////////////////////////////////////////////////////////////////////////


#if !defined(AFX_PROJECTION_H__599FB19F_4D86_44E5_925E_D403A83DDAF5__INCLUDED_)
#define AFX_PROJECTION_H__599FB19F_4D86_44E5_925E_D403A83DDAF5__INCLUDED_

#include "Ellipsoid.h"	// Added by ClassView
#include "ProjectionParameter.h"	// Added by ClassView
#include "ConformalConic.h"

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

#define _AREA_NORTH_LATITUDE	0	//北半球	北纬
#define _AREA_SOUTH_LATITUDE	1	//南半球	南纬
#define _AREA_EAST_LONGITUDE	0	//东经
#define _AREA_WEST_LONGITUDE	1	//西经

class  AFX_EXT_CLASS CProjection  
{
public:
	CProjection();
	virtual ~CProjection();

public:
	CProjection& operator =(CProjection &p);
	BOOL Initial(CString projection_file);		//在初始化之前,必须先设置输入、输出参数
	BOOL Initial(double m_a,double m_f);		//长半轴、扁平率倒数
	void CreateDefaultProjection(CString file);	//生成缺省参数文件

	BOOL SetInBasesOut(int coor=_XY_BL_BL, int unit=_XY_BL_DMS);//根据输入参数设置输出参数为经纬度
	BOOL SetOutBasesIn(int coor=_XY_BL_BL, int unit=_XY_BL_DMS);//根据输出参数设置输入参数为经纬度
	BOOL SetArgv(const CString ArgvIn, const CString ArgvOut);
	BOOL SetOutArgv(const CString ArgvOut);	//设置输出参数
	BOOL SetInArgv(const CString ArgvIn);		//设置输入参数
	CString GetOutArgv();
	CString GetInArgv();

	int Exchange(CString m_input,CString m_output,const char *mode="wt");
	int Exchange(char *line);
	int Exchange(double *xx, int num);

	virtual void SetProgressPos(double dPos);

protected:
	void ExchangeToOtherBL(CEllipsoid* pIn, CEllipsoid* pOut, double *xx);
	void ExchangeToOtherXYZ(CEllipsoid* pEllipsoid, double *xx);
	void ExchangeCustomBL(double *xx);
	void ExchangeCustomXY(double *xx);
	void ExchangeXY(double *xx);
	void ExchangeBL(double *xx);
	void Exchange(double *xx);
	int  Exchange(char *line, double *xx);

public:
	void ExchangeOldToNew(double *xx);
	void ExchangeToOther(double *xx);
	void SetDecimalDigits(int n);

	//转换对象
	CProjectionLambert m_ConformalConic_in, m_ConformalConic_out;
	CProjectionGaussKruger m_in, m_out;

	//参数
	CProjectionParameter xy_in, xy_out;
	int	m_latitude;		//北纬、南纬
	int	m_longitude;	//东经、西经

	//东经\西经, 北纬/南纬
	void SetEarch(int longitudeSel, int latitudeSel);
	void GetEarch(int &longitudeSel, int &latitudeSel);

	virtual void Serialize(CArchive& ar, short ver);

private:
	int decimal_digits;
};

#endif // !defined(AFX_PROJECTION_H__599FB19F_4D86_44E5_925E_D403A83DDAF5__INCLUDED_)