95 lines
2.4 KiB
C++
95 lines
2.4 KiB
C++
//-------------------------------------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
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// = FileName : TGMCurve2D 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: TGMCurve2D 声明
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// = Maintainers:
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//
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//-------------------------------------------------------------------------------------------------------+
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#ifndef _TGMCURVE2D_H_
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#define _TGMCURVE2D_H_
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#ifndef _TPGECURVE2D_H_
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#include "TPGeCurve2D.h"
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#endif
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#ifndef _TGPOINT_H_
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#include "TGPoint.h"
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#endif
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#ifndef _TPDLIST_H_
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#include "TPDList.h"
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#endif
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#ifndef _TGOBJECTLIST_H_
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#include "TGObjectList.h"
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#endif
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#ifndef _TGMATRIX_H_
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#include "TGMatrix.h"
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#endif
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#ifndef _TGOBJECT_H_
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#include "TGObject.h"
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#endif
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#ifndef _TPGELINE2D_H_
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#include "TPGeLine2D.h"
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#endif
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class TGMLine2D;
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class GEOAPI TGMCurve2D:public TPGeCurve2D,public TPDList< TPGeCurve2D >
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{
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DECLARE_RUN_TIME_CLASS(TGMCurve2D)
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public:
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//construct
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TGMCurve2D();
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TGMCurve2D(const TPGeCurve2D&curve);
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TGMCurve2D(const TGMCurve2D&curve);
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virtual ~TGMCurve2D();
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//override TPGeCurve2D
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virtual bool IsClosed() const;
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virtual bool IsFinite(bool bStart) const;
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//只有相邻段有且只有一点交(封闭且段数为2时，有两点交)，段数大于2时子段不能封闭!
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virtual bool IsSelfCross() const;
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virtual void GetTangent(double pa,TPGeLine2D&line) const;
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virtual void Pa2Pt(double pa,TGPoint&pt) const;
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virtual void Pt2Pa(const TGPoint&pt,double&pa) const;
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virtual void GetStartPoint(TGPoint&pt) const;
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virtual void GetEndPoint(TGPoint&pt) const;
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virtual double Integration(double pa0,double pa1) const;
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virtual void Reverse();
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virtual TGMLine2D* MLinearize(double paDist=0) const;
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virtual TGMLine2D* PLinearize(double paDist=0) const;
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virtual TPGeCurve2D* GetSubCurve(double pa0,double pa1) const;
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virtual TGPoint GetSamplePoint() const;
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virtual bool Offset(double offset);
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//override TGObject2D
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virtual void SetElev(double elev);
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virtual double GetElev() const;
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//override TGObject
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//不空，各段有效且前后相连
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virtual bool IsValid() const;
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virtual TGObject* Clone() const;
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virtual void TransformBy(const TGMatrix&matrix);
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//分解为子段
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virtual bool Explode(TGObjectList&res) const;
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virtual bool IsInclude(const TGObject&obj) const;
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//query
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long GetSegNum() const;
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//pa转化为本地参数
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long Pa2Seg(double &pa) const;
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};
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#endif
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