85 lines
2.1 KiB
C++
85 lines
2.1 KiB
C++
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//-----------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
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// = FileName : TGGePolygonEx类
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// = Version : ver2.0
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// = Author : wlw
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// = CreateDate : 2002-09-09
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// = Description: TGGePolygonEx类声明
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// = Maintainers:
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//
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//-----------------------------------------------------------------------------+
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#ifndef _TGGEPOLYGONEX_H_
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#define _TGGEPOLYGONEX_H_
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#ifndef _TGGEPOLY_H_
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#include "TGGePoly.h"
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#endif
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#ifndef _TENTITYSET_H_
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#include "TEntitySet.h"
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#endif
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#ifndef _TGGETRIANGLE_H_
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#include "TGGeTriangle.h"
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#endif
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#ifndef _TLOOPLIST_H_
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#include "TLoopList.h"
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#endif
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// 多边形的三角形化
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class GEOAPI TGGePolygonEx : public TGGePoly
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{
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public:
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TGGePolygonEx();
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TGGePolygonEx(TGGePoly &src);
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TGGePolygonEx(TEntitySet &ent);
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TGGePolygonEx(const TGGePolygonEx &src);
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virtual ~TGGePolygonEx();
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virtual bool IsKindOf(TEntityId entType) const;
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virtual TEntityId Type() const;
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virtual void CopyFrom(const TGGeEntity* pSrc);
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TADSGePoint3d * operator [](int nIndex);
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const TADSGePoint3d & operator [](int nIndex) const;
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TGGePolygonEx & operator = (const TGGePolygonEx &src);
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// 求法向量，用来作为坐标变换
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int GetNormal(TVector3D &vtNormal) const;
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int Make(const TCHAR *szLay);
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// b2D--TRUE, 已经是二维；否则是三维，需要坐标变换
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int Trianglize(TDPtrList<TGGeTriangle> &lstTris, BOOL b2D = FALSE) const;
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int SubTrianglize(TDPtrList<TGGeTriangle> &lstTris);
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int GetInsidePoint(TADSGePoint3d &ptRet, BOOL b2D = FALSE) const;
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int SubGetInsidePoint(TADSGePoint3d &ptRet);
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//是否为凸多边形，2D
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BOOL IsConvex() const;
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BOOL IsVisible(int idx) const;
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void Reset();
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void Reverse();
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void Ecs2Wcs(TVector3D vtEcs);
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void Wcs2Ecs(TVector3D vtEcs);
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void SetVisible(int idx, BOOL bVis);
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void RemoveNode(int nIndex);
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void AppendNode(const TADSGePoint3d &pt, int nIndex = 1);
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double GetEdgeLength(int idx) const;
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double GetAngle(int idx) const;
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TADSGePoint3d GetVertex(int idx) const;
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TLoopList<int>& GetVisibleFlag();
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public:
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// 1--visible; 0-invisible
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TLoopList<int> m_lstVisibleFlag;
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};
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#endif
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