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


#if !defined(AFX_PROJECTION_H__D6B2F225_8EE9_456C_91CD_ED39DE6F5D8A__INCLUDED_)
#define AFX_PROJECTION_H__D6B2F225_8EE9_456C_91CD_ED39DE6F5D8A__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include "Ellipsoid.h"

//*****************************   兰勃特（双标准纬线等角圆锥）投影   *******************
class  AFX_EXT_CLASS CProjectionLambert  : public CEllipsoid
{
public:
	CProjectionLambert();
	virtual ~CProjectionLambert();

	int Create(double B1, double B2, double BS=0);
	CProjectionLambert& operator =(CProjectionLambert &pl);

	void GetBL(double &x,double &y);
	void GetXY(double &B,double &L);

	int GetB(double q,double &B);
	double Radius(double B);
	double EquateRadius(double B);
	double EquateLatitude(double B);

	double alfa,K,ps;
};

#endif // !defined(AFX_PROJECTION_H__D6B2F225_8EE9_456C_91CD_ED39DE6F5D8A__INCLUDED_)