//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
// = FileName	:   TGGe3DFace3Pt类
// = Version	:   ver2.0
// = Author		:   wlw
// = CreateDate	:   2002-09-09
// = Description:   TGGe3DFace3Pt类声明
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _TGGE3DFACE3PT_H_
#define _TGGE3DFACE3PT_H_

#ifndef _TGGE3DFACE_H_
#include "TGGe3DFace.h"
#endif

#ifndef _TENTITYSET_H_
#include "TEntitySet.h"
#endif

// 三个顶点的3DFACE, 仅用于特殊用途
class GEOAPI TGGe3DFace3Pt : public TGGe3DFace
{
public:

	TGGe3DFace3Pt(TEntitySet &entFace);
	~TGGe3DFace3Pt();

	int GetMergeLine(TGGeLine *pLine);
	
	// 返回值： 0~2
	int MergeEdge(); 
	
	// 返回值： 0~2
	int OppHidePoint();  
};

#endif