gispoint.h

基于小波的SAR斑点处理

///////////////////////////////////////////////////////////////////////////////
// This is a part of the CityStar Gis Foundation Classes C++ library.
// Copyright (C) 1996-1997 BeiDaSanQin Corporation
// All rights reserved.
//
//	Create : (what)		gispoint.h( header file )
//			 (when)		11/13/1996
//			 (who)		WangQiang
//	Update :  Tian Yuan , 1997-02-20
//						operator CPoint()
//						m_dwTag and its operation.	
///////////////////////////////////////////////////////////////////////////////
//	gispoint.h : interface of the CGisPoint class

#ifndef __GIS_POINT__
#define __GIS_POINT__

///////////////////////////////////////////////////////////////////////////////
//
//	CGisPoint : This class defines the geometrical substantiality object -- point
//				that is compatible with the point defined in the POINT structure 
//				and the CPoint class in Visual C++.

class CGisPoint : public CObject
{
//member variables:
public:
	DWORD m_dwTag;

public:
	double x;	//abscissa of point
	double y;	//ordinate of point

//member functions:
public:
	//Constructors:
	CGisPoint();
	
	CGisPoint( const double dInitX, const double dInitY );
	
	CGisPoint( const POINT& ptInitiation );
	CGisPoint( const POINT *pInitiation );

	CGisPoint( const CPoint& ptInitiation );
	CGisPoint( const CPoint *pInitiation );
	
	CGisPoint( const CGisPoint& ptInitiation );
	CGisPoint( const CGisPoint *pInitiation );

	//Destructor:
	~CGisPoint();

	//Attributes:	
	double GetX( ) const;
	double GetY( ) const;
	
	//Operations:
	void SetPoint( const double dX,const double dY );
	void SetPoint( const POINT& ptAnother );
	void SetPoint( const CPoint& ptAnother );
	void SetPoint( const CGisPoint& ptAnother );

	double GetDistance( const POINT& ptAnother ) const;
	double GetDistance( const POINT *pptAnother ) const;
	double GetDistance( const CPoint& ptAnother ) const;
	double GetDistance( const CPoint *pptAnother ) const;
	double GetDistance( const CGisPoint& ptAnother ) const;
	double GetDistance( const CGisPoint *pptAnother ) const;

	BOOL EqualTo( const CGisPoint& ptAnother, double dDistance = 0.00001) const;    
	
	//operators:
	BOOL operator == ( const CGisPoint& ptAnother ) const;
	BOOL operator != ( const CGisPoint& ptAnother ) const;
	
	void operator = ( const CGisPoint& ptAnother ); 
	void operator = ( const CPoint& ptAnother ); 

	// This group performs operations of m_dwTag.
	// They are added by Tian Yuan.
};

///////////////////////////////////////////////////////////////////////////////

typedef CGisPoint* LPCGisPoint;	//	Long pointer to CGisPoint

///////////////////////////////////////////////////////////////////////////////

#endif	//__GIS_POINT__