//-------------------------------------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TBNode.h
// = Version	:   ver2.0
// = Author		:   xlc
// = CreateDate	:   2002-09-09
// = Description:   类的声明 基线结点结构,坐标系：UCS
// = Maintainers: 
//                  
//-------------------------------------------------------------------------------------------------------+
#ifndef _TBNODE_H_
#define _TBNODE_H_

#ifndef _TBARC_H_
#include "TBArc.h"
#endif

class GEOAPI TBNode : public CObject 
{
public:
	TBNode();
	TBNode(TBNode* pNode);

	TBNode(BLType eType,double len, const AcGePoint3d& pt, TBArc* pAr = NULL);
	virtual ~TBNode();

	TBNode& operator = (const TBNode& bLineNode);

public:
	BLType m_eType;         //后面线段的类型
	BOOL m_bVisible;        //从此点到下一结点的线段可见性,缺省可见。
	double m_s;             //s坐标:从起点到此结点的弧长
	AcGePoint3d m_pt;       //结点坐标
	TBArc* m_pArc;          //圆弧，只要下一段线为圆弧时不为空，否则为NULL

};

typedef CTypedPtrList<CObList, TBNode*> TBNodeList;

#endif