lzxjd.cpp

这是本人两年前兼职为某个公司做的石油钻进设计软件

// LZXJD.cpp : implementation file
//

#include "stdafx.h"
#include "Cvenus.h"
#include "LZXJD.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// LZXJD

LZXJD::LZXJD()
{
}

LZXJD::~LZXJD()
{
}



/////////////////////////////////////////////////////////////////////////////
// LZXJD message handlers

void LZXJD::qlzxjd(double X1,double X2,double Y11,double Y21,double Y12,double Y22)
{
		double Ka,Kb;
	    if( Y12 - Y11 == 0)
		{
			Y = Y11;
			Ka = (X2 - X1) / (Y22 - Y21);
			X = Ka * (Y - Y21) + X1;
		}
		else if( Y22 - Y21 == 0)
		{
			Y = Y21;
			Ka = (X2 - X1) / (Y12 - Y11);
			X = Ka * (Y - Y11) + X1;
		}
		else
		{
			Ka = (X2 - X1) / (Y12 - Y11);
			Kb = (Y12 - Y11) / (Y22 - Y21);
			Y = (Y11 - Kb * Y21) / (1 - Kb);
			X = Ka * (Y - Y11) + X1;
		}     
}