//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TPGeGridNode.h
// = Version	:   ver2.0
// = Author		:   xlc
// = CreateDate	:   2002-09-09
// = Description:   夹点对象类的声明 网格交点
// = Maintainers: 
//                  
//------------------------------------------------------------------------------+
#ifndef _TPGEGRIDNODE_H_
#define _TPGEGRIDNODE_H_

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

class GEOAPI TPGeGridNode : public TGPoint
{

public:

	TPGeGridNode(int type = 0);

	TPGeGridNode(const TGPoint& pt,int type = 0);

	TPGeGridNode(const TPGeGridNode&node);

	virtual ~TPGeGridNode();

	void SetVisible(bool bVisible);

	bool IsVisibleNode() const;

	bool IsBoundaryNode() const;

	bool operator <(const TPGeGridNode&node) const;

	bool operator >(const TPGeGridNode&node) const;

public:

	int m_nType;//0,不可见网格点;1，可见网格点;2,边界点（外边界内或外边界上可见）

	double m_nPara;//外边界线上参数
};

#endif