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Distance

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9 May 20051 min read 36.8K   733   13  
An article on finding the distance between two Zip codes.
// DistanceDlg.h : header file
//

#if !defined(AFX_DISTANCEDLG_H__E123A738_D7FD_4C84_83BD_8F6D5065CA8B__INCLUDED_)
#define AFX_DISTANCEDLG_H__E123A738_D7FD_4C84_83BD_8F6D5065CA8B__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

/////////////////////////////////////////////////////////////////////////////
// CDistanceDlg dialog

class CDistanceDlg : public CDialog
{
// Construction
public:
	CDistanceDlg(CWnd* pParent = NULL);	// standard constructor
	double deg2rad(double deg);
	double rad2deg(double rad);
	double distance(double lat1, double lon1, double lat2, double lon2, char unit);
	CString Parse(CString &szData);

// Dialog Data
	//{{AFX_DATA(CDistanceDlg)
	enum { IDD = IDD_DISTANCE_DIALOG };
	CString	m_edit1;
	CString	m_edit2;
	CString	m_edit3;
	CString	m_lat1;
	CString	m_lat2;
	CString	m_long1;
	CString	m_long2;
	CString	m_city1;
	CString	m_city2;
	CString	m_county1;
	CString	m_county2;
	CString	m_state1;
	CString	m_state2;
	CString	m_elev1;
	CString	m_elev2;
	CString	m_edit16;
	CString	m_edit17;
	//}}AFX_DATA

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

// Implementation
protected:
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CDistanceDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnCalculate();
	afx_msg void OnLookup1();
	afx_msg void OnLookup2();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_DISTANCEDLG_H__E123A738_D7FD_4C84_83BD_8F6D5065CA8B__INCLUDED_)

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