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42 lines
1.1 KiB
C++

/////////////////////////////////////////////////////////////////////////////
//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_)