projectiondlg.cpp

实现正轴等角割圆锥投影,可以通过输入参数.程序会生成相应的经纬度,并给予直观描绘

// projectionDlg.cpp : implementation file
//

#include "stdafx.h"
#include "projection.h"
#include "projectionDlg.h"
#include "coordinatedlg.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()

/////////////////////////////////////////////////////////////////////////////
// CProjectionDlg dialog

CProjectionDlg::CProjectionDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CProjectionDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CProjectionDlg)
	m_u1 = 0.0;
	m_u2 = 0.0;
	m_kcm = 0.0;
	m_fai0 = 0.0;
	m_alf = 0.0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CProjectionDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CProjectionDlg)
	DDX_Text(pDX, IDC_eu1, m_u1);
	DDX_Text(pDX, IDC_eu2, m_u2);
	DDX_Text(pDX, IDC_ekcm, m_kcm);
	DDX_Text(pDX, IDC_efai0, m_fai0);
	DDX_Text(pDX, IDC_ealf, m_alf);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CProjectionDlg, CDialog)
	//{{AFX_MSG_MAP(CProjectionDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(ID_coordinate, Oncoordinate)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CProjectionDlg message handlers

BOOL CProjectionDlg::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 CProjectionDlg::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 CProjectionDlg::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
	{
		CPaintDC   pdc(GetDlgItem(IDC_NET)); // device context for painting
		
        
		pdc.SetMapMode(MM_LOMETRIC);//设置映射模式
  //      pdc.SetWindowOrg(500,500);//设置窗口的坐标原点
        pdc.SetViewportOrg(210,440);//设置视口的坐标原点

		CString str;
		cirPro pic;
		pic.calculate();

		m_u1=pic.u1;
		m_u2=pic.u2;
		m_alf=pic.alf;
		m_kcm=pic.kcm;
		m_fai0=pic.fai0;
		UpdateData(false);
		pdc.SetBkMode(TRANSPARENT);
		for(int lam=112;lam<=120;lam++)
			{
				pdc.MoveTo(pic.co[lam][36].y/120,0);
				pdc.LineTo(pic.co[lam][43].y/120,pic.co[lam][43].x/120);
				str.Format("%i",lam);
			    pdc.TextOut(pic.co[lam][36].y/120-10,-5,str);
			}
		for(int fai=36;fai<=43;fai++)
		{
			for(int lam=113;lam<=120;lam++)
			{
				pdc.MoveTo(pic.co[lam-1][fai].y/120,pic.co[lam-1][fai].x/120);
				pdc.LineTo(pic.co[lam][fai].y/120,pic.co[lam][fai].x/120);
			}
			str.Format("%i",fai);
			pdc.TextOut(pic.co[120][fai].y/120+3,pic.co[120][fai].x/120+15,str);

		}
		CDialog::OnPaint();
	}
}

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

void CProjectionDlg::Oncoordinate() 
{
	// TODO: Add your control notification handler code here
	coordinatedlg coor;
	coor.DoModal();

	
}