//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TGPoint2D.h
// = Version	:   ver2.0
// = Author		:   xlc
// = CreateDate	:   2002-09-09
// = Description:   类的声明 二维点
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _TGPOINT2D_H_
#define _TGPOINT2D_H_

#ifndef _TGOBJECT2D_H_
#include "TGObject2D.h"
#endif

#ifndef _TGPOINT_H_
#include "TGPoint.h"
#endif

#ifndef _TGOBJECT_H_
#include "TGObject.h"
#endif

#ifndef _TGOBJECTLIST_H_
#include "TGObjectList.h"
#endif

#ifndef _TGMATRIX_H_
#include "TGMatrix.h"
#endif

#ifndef _TPGEEXTEND2D_H_
#include "TPGeExtend2D.h"
#endif

#ifndef _TPGEEXTEND3D_H_
#include "TPGeExtend3D.h"
#endif

class TGObject3D;

class GEOAPI TGPoint2D:public TGObject2D,public TGPoint
{
	DECLARE_RUN_TIME_CLASS(TGPoint2D)

public:
	TGPoint2D(double *p);
	TGPoint2D(float *p);
	TGPoint2D(const TGPoint&pt);
	TGPoint2D(double X = 0, double Y = 0, double Z = 0);
	virtual ~TGPoint2D();

	//override TGObject2D
	virtual void   SetElev(double elev);
	virtual double GetElev() const;

	virtual TGObject3D *Convert3D() const;

	//override TGObject
	virtual void TransformBy(const TGMatrix&matrix);

	virtual bool IsValid() const;
	virtual bool Intersect(const TGObject&obj,TGObjectList&res) const;
	virtual bool IsInclude(const TGObject&obj) const;

	virtual bool GetExtend2D(TPGeExtend2D& ext) const;
	virtual bool GetExtend3D(TPGeExtend3D& ext) const;

	virtual TGPoint GetSamplePoint() const;

	virtual GRelation HitTest(const TGPoint&pt) const;
	virtual TGObject* Clone() const;

	bool operator == (const TGPoint &pt) const;
	bool operator != (const TGPoint &pt) const;

	double Distance(const TGPoint &pt) const;
};

#endif