//-------------------------------------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TPGeDscPoint 类
// = Version	:   ver2.0
// = Author		:   wlw
// = CreateDate	:   2002-09-09
// = Description:   TPGeDscPoint 声明 离散点
// = Maintainers: 
//                  
//-------------------------------------------------------------------------------------------------------+
#ifndef _TPGEDSCPOINT_H_
#define _TPGEDSCPOINT_H_

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

#ifndef _TDUALPTRLIST_H_
#include "TDualPtrList.h"
#endif

#ifndef _TPGEFITTRIANGLE_H_
#include "TPGeFitTriangle.h"
#endif

#ifndef _TPDLIST_H_
#include "TPDList.h"
#endif

#ifndef _TTABLE_H_
#include "TTable.h"
#endif

class TPGeDscEdge;
class TGPoint2D;

class GEOAPI TPGeDscPoint : public TGPoint
{
public:
	
	TPGeDscPoint(double X = 0,double Y = 0,double Z = 0);
	
	TPGeDscPoint(const TPGeDscPoint &pt);
	
	virtual ~TPGeDscPoint();

	
	double GetValue() const;
	
	void SetValue(double value);
	
	void AppendValue(double value);
	
	long GetEdgeNum() const;
	
	void AppendEdge(TPGeDscEdge*p);
	
	void RemoveEdge(TPGeDscEdge*p);

	//找到pPtTo的边，失败返回NULL
	TPGeDscEdge* FindEdge(TPGeDscPoint *pPtTo);

	//构造相关的剩余所有正确三角形
	void MakeTriangle(TPDList<TPGeFitTriangle> &allTrg);

	//去除所有连接数据，且通知连接点也更新，不删除边本身!
	void RemoveAllEdge();

	//取出所有邻接点
	void GetConnectPoint(TTable<TPGeDscPoint*> &connectPoint);

	//特殊线性插值,失败返回NULL
	TPGeDscPoint *GetFitPoint(double z,double zSnap);

	//对边进行角度排序
	void Arrange();
	
	//pEdge为出发边,找邻边的邻接点(逆时针邻边优先),最后pEgde返回当前边
	TPGeDscPoint* FindNext(TPGeDscEdge*&pEdge);

	TGPoint2D* CreatePoint();

	bool operator == (const TPGeDscPoint&pt) const;
	
	bool operator != (const TPGeDscPoint&pt) const;
	
	bool operator > (const TPGeDscPoint&pt) const;
	
	bool operator < (const TPGeDscPoint&pt) const;

protected:
	
	//重合点计数
	int m_ptCount;
	
	//所有连接边<引用>
	TDualPtrList<TPGeDscEdge*> allEdge;
};

#endif