circdlg.cpp

一个2D电磁场FEM计算的VC++源程序

// CircDlg.cpp : implementation file
//

#include "stdafx.h"
#include "femmview.h"
#include <afxtempl.h>
#include "problem.h"
#include "xyplot.h"
#include "ptloc.h"
#include "femmviewdoc.h"
#include "CircDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CCircDlg dialog


CCircDlg::CCircDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCircDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCircDlg)
	//}}AFX_DATA_INIT
}


void CCircDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCircDlg)
	DDX_Control(pDX, IDC_FV_CIRCNAME, m_circname);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CCircDlg, CDialog)
	//{{AFX_MSG_MAP(CCircDlg)
	ON_CBN_SELCHANGE(IDC_FV_CIRCNAME, OnSelchangeCircname)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCircDlg message handlers

void CCircDlg::OnSelchangeCircname() 
{
	if(NumCircuits==0) return;

	int k;
	CString crslt;

	k=m_circname.GetCurSel();
	
	CString s;
	char c[256];
	CComplex amps,flux,volts;

	amps=TheDoc->circproplist[k].Amps;	
	crslt.Format("Total current = %s Amps\r\n",amps.ToString(c));

	volts=TheDoc->GetVoltageDrop(k);
	s.Format("Voltage Drop = %s Volts\r\n",volts.ToString(c));
	crslt+=s;

	flux = TheDoc->GetFluxLinkage(k);
	s.Format("Flux Linkage = %s Webers\r\n",flux.ToString(c));
	crslt+=s;

	if (amps!=0){
		s.Format("Flux/Current = %s Henries\r\n",
			(flux/amps).ToString(c));
		crslt+=s;
		s.Format("Voltage/Current = %s Ohms\r\n",
			(volts/amps).ToString(c));
		crslt+=s;
	}
	
	if (TheDoc->Frequency==0)
	{
		s.Format("Power = %g Watts\r\n",Re(amps*volts));
		crslt+=s;
	}
	else{
		s.Format("Real Power = %g Watts\r\n",Re(volts*conj(amps))/2.);
		crslt+=s;
		s.Format("Reactive Power = %g VAr\r\n",Im(volts*conj(amps))/2.);
		crslt+=s;
		s.Format("Apparent Power = %g VA\r\n",abs(volts)*abs(amps)/2.);
		crslt+=s;
	}

	SetDlgItemText(IDC_CIRCRESULT,crslt);
}

BOOL CCircDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	int i;
	
	NumCircuits=TheDoc->circproplist.GetSize();
	for(i=0;i<NumCircuits;i++)
		m_circname.AddString(TheDoc->circproplist[i].CircName);
	
	if(NumCircuits!=0){
		m_circname.SetCurSel(0);
		OnSelchangeCircname();
	}

	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}