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


#if !defined(AFX_PROJECTIONPARAMETER_H__AC3971D1_56C4_4165_95D0_3BAB0126DFD5__INCLUDED_)
#define AFX_PROJECTIONPARAMETER_H__AC3971D1_56C4_4165_95D0_3BAB0126DFD5__INCLUDED_

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

#define _XY_BL_DMS		0	//度分秒
#define _XY_XY_M		1	//米
#define _XY_BL_DEGREE	2	//度
#define _XY_XY_KM		3	//公里

#define _XY_BL_BL		0	//经度，纬度
#define _XY_XY_XY		1	//横坐标X，纵坐标Y
#define _XY_BL_LB		2	//纬度，经度
#define _XY_XY_YX		3	//横坐标Y，纵坐标X

#define _XY_MODE_CUSTOM					0x0001		//自动定义中央经线
#define _XY_MODE_WITH_ZONE				0x0002		//有带号

#define _PROJECTION_GAUSS				0
#define _PROJECTION_UTM					1
#define _PROJECTION_LAMBERT				2
#define _PROJECTION_MERCATOR			3
#define _PROJECTION_ALBERS				4

#define _PROJECTION_GAUSS_TITLE			"Gauss"
#define _PROJECTION_UTM_TITLE			"UTM"
#define _PROJECTION_LAMBERT_TITLE		"Lambert"
#define _PROJECTION_MERCATOR_TITLE		"Mercator"
#define _PROJECTION_ALBERS_TITLE		"Albers"

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

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

	CString GetArgv();
	int SetArgv(const CString Argv);
	CProjectionParameter& operator =(CProjectionParameter &pp);

	//for conformal conic projection
	double conic_OriginLongitude;	//原点经度
	double conic_OriginLatitude;	//原点纬度
	double conic_b1,conic_b2;		//标准纬度

	//for gauss and utm
	int w;	//带宽(6或者3)
	int zone;
	double m_dCustomCenterLongitude;		//自定义的中央经线
	double m_dScaleFactor;					//比例系数

	int projection;							//投影系统
	int coordinate_unit,coordinate_type;	//坐标参数
	CString ellipsoid;						//椭球体

public:
	BOOL IsCustomCenterLongitude(void);
	BOOL IsWithZone(void);
	void EnableCustomCenterLongitude(BOOL bEnable);
	void EnableWithZone(BOOL bEnable);

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

	CString GetPrjectionType(void);
	int SetPrjectionType(CString strType);

	int	m_latitude;		//北纬、南纬
	int	m_longitude;	//东经、西经

protected:
	UINT m_nFlags;		//是否是自定义中央经线,是否带有带号等参数
};

#endif // !defined(AFX_PROJECTIONPARAMETER_H__AC3971D1_56C4_4165_95D0_3BAB0126DFD5__INCLUDED_)