modeldlg.cpp

C均值法模式识别算法的VC实现

// modelDlg.cpp : implementation file
//

#include "stdafx.h"
#include "model.h"
#include "modelDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CModelDlg dialog

CModelDlg::CModelDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CModelDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CModelDlg)
	m_1 = 0;
	m_2 = 0;
	n=0;
	m_count = 1;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CModelDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CModelDlg)
	DDX_Control(pDX, IDC_LRESULT, m_Result);
	DDX_Control(pDX, IDC_LIST, m_List);
	DDX_Text(pDX, IDC_E1, m_1);
	DDX_Text(pDX, IDC_E2, m_2);
	DDX_Text(pDX, IDC_ECOUNT, m_count);
	DDV_MinMaxUInt(pDX, m_count, 1, 100);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CModelDlg, CDialog)
	//{{AFX_MSG_MAP(CModelDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BINPUT, OnBinput)
	ON_BN_CLICKED(IDC_BFEN, OnBfen)
	ON_BN_CLICKED(IDC_BREST, OnBrest)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CModelDlg message handlers

BOOL CModelDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CModelDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CModelDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CModelDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CModelDlg::OnBinput() 
{
	// TODO: Add your control notification handler code here
	if(n>=max_size)
		return;
UpdateData();
X[n].x1=m_1;
X[n].x2=m_2;
n++;
CString s;
s.Format("x%d(%.2f,%.2f)",n,X[n-1].x1,X[n-1].x2);
m_List.AddString(s);
m_List.SetCurSel(m_List.GetCount()-1);	
}

void CModelDlg::OnBfen() 
{
	// TODO: Add your control notification handler code here
UpdateData();
if(m_count>n)
 return;
count=0;
for(UINT i=0;i<m_count;i++)///初始化c类的中心
   { C[i].m_Center=X[i];
     C[i].n[0]=i;
	 C[i].Finish=FALSE;
   }
 do
 {for(UINT k=0;k<m_count;k++)///初始化c类的中心
   { 
	 C[k].j=0;
   }
   for(UINT i=0;i<n;i++)
   { float d=0,dd=0;
	   UINT c=0;  
	   dd=X[i].Distance(C[0].m_Center);
	   d=dd;
	   for(UINT ii=1;ii<m_count;ii++)
	   {dd=X[i].Distance(C[ii].m_Center);
		   if(d>dd)
		   {d=dd;
		    c=ii;
		   }
		}
	   int jj=C[c].j;
	   C[c].n[jj]=i;
	   C[c].j++;
   }
 }while(!Center());
 AfxMessageBox("分类完成!");
 CString s;
 s.Format("－－－分为%d类－－－",m_count);
  m_Result.AddString(s);
 for(i=0;i<m_count;i++)
 {
  s.Format("第%d类:",i+1);
  m_Result.AddString(s);
  for(UINT jj=0;jj<C[i].j;jj++)
  {UINT nn=C[i].n[jj];
   s.Format("x%d(%.2f,%.2f)",nn+1,X[nn].x1,X[nn].x2);
  m_Result.AddString(s);
  }
 }
s.Format("完毕!");
  m_Result.AddString(s);	
}
BOOL CModelDlg::Center()
{
	for(UINT i=0;i<m_count;i++)
	{if(C[i].Finish==TRUE)
	  continue;
		CArry aa;
		for(UINT ii=0;ii<C[i].j;ii++)
		{aa=aa+X[C[i].n[ii]];
		}
		aa.x1/=C[i].j;
		aa.x2/=C[i].j;
		if(C[i].m_Center==aa)
		{count++;
		 C[i].Finish=TRUE;
		  if(count==m_count)
			 return TRUE;
		}
		else
		C[i].m_Center=aa;
	}
	return FALSE;	
	
}

void CModelDlg::OnBrest() 
{
	// TODO: Add your control notification handler code here
	/// CString s;
	// m_List.GetText(0,s);
    // AfxMessageBox(s);
	 m_List.ResetContent();
	 m_Result.ResetContent();
	 m_1=0;
	 m_2=0;
	 n=0;
	 m_count=1;
	UpdateData(FALSE);
}