158 lines
7.9 KiB
C++
158 lines
7.9 KiB
C++
// Copyright (C), 1998-2007, Beijing Tangent Engineering Software Co. Ltd.
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// = FileName: Road.h
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// = Version: 8.5
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// = Author: lgh
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// = Date: 2010-9-27 9:30:22
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// = Description: 道路结构，包含道路道路所有信息，
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// = Maintainers:
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#pragma once
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#include "InterStruct.h"
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// 道路被多条线截断，需要判断其过滤模式，哪段保留，哪段删除
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class CFilterMode
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{
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public:
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BOOL KeepFirst() const {return m_bFirstKeep;}
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void KeepFirst(BOOL bKeepFirst) {m_bFirstKeep = bKeepFirst;}
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private:
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BOOL m_bFirstKeep;
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};
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class CRoad
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{
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public:
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CRoad(double dLeftWid, double dRightWid, BOOL bDrawMid, BOOL bDrawCorner, double dCornerRadius, EFilletStyle cornerType);
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virtual ~CRoad(void);
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double HalfWid() const {return (m_dLeftWid + m_dRightWid)*0.5;}
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BOOL IsDrawMid() const{return m_bDrawMid;}
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// // 道路的区域
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void ToRegionSys(AcGePoint2d &ptLeftDown, AcGePoint2d &ptRightUp) const;
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virtual void ToRegion(AcGePoint2d &ptLeftDown, AcGePoint2d &ptRightUp) const = 0;
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// 道路发生截取的误差长度。(删除短线)
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double TolLen() const {return HalfWid() * 1.2;}
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// 道路相交拆分的时候，使用的误差。该范围内，可以认为道路相交
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double TolForSplit() const{return HalfWid() * 4.0;}
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// 获取道路所在的近似区域
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double TolForRegion( ) const {return HalfWid() * 10.0;};
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// 是否需要倒角
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BOOL NeedInterCircle() const{return m_bCorner;}
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// 是否需要同圆心倒角
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BOOL NeedSameCenter() const{return m_eCornerType == eSameCenter;}
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// 倒角半径
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double CirRadius() const{return m_dRaidus; }
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BOOL NeedDrawMid() const {return m_bDrawMid;}
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virtual EPointAtRoadPerp PointAtRoadPerp(const AcGePoint2d &pt, double dTol = 1.0) const = 0;
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virtual EPointAtRoadInDir PointAtRoadInDir(const AcGePoint2d &pt, double dTol = 1.0) const = 0;
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// 检测点相对于延伸的道路的关系,用于中线的测试。
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virtual EPointAtRoadInDir PointAtExtendRoadInDir(const AcGePoint2d &pt, double dTol = 1.0) const = 0;
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// 以下为道路的四个方向，对圆弧来说，会取point点的切线方向
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// 道路左（上）方向，右（下）方向。起点到终点的方向，终点到起点的方向。
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// 对于直线道路来说，参数点无意义。
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virtual AcGeVector2d LeftDirection(const AcGePoint2d &point) const = 0;
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virtual AcGeVector2d RightDirection(const AcGePoint2d &point) const = 0;
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virtual AcGeVector2d StartDirection(const AcGePoint2d &point) const = 0;
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virtual AcGeVector2d EndDirection(const AcGePoint2d &point) const = 0;
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// 检测ArcSplit或者lineSplit的方向是否跟vec相同。
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static EVecDirection SameDirection(const AcGeVector2d &vec, const AcGeCircArc2d &arcSplit, bool bStart);
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static EVecDirection SameDirection(const AcGeVector2d &vec, const AcGeLineSeg2d &lineSplit, bool bStart);
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// 拆分中线，当然，如果当前道路不需要回执中线，则不执行拆分
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virtual void SplitMid(const AcGeLineSeg2d &lineseg, AcAryInterStructPointer &arLeftDump, AcAryInterStructPointer &arRightDump, CLineCADEntEdgeAdapter &ent)const = 0;
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virtual void SplitMid(const AcGeCircArc2d &arc, AcAryInterStructPointer &arLeftDump, AcAryInterStructPointer &arRightDump, CArcCADEntEdgeAdapter &ent)const = 0;
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// 检测线段或者弧线是否在道路内部。
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BOOL IsInExtendRoad(CInterStruct *pInter) const ;
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virtual TGGeCurveSegment ToCurveSeg(int nFlag) const = 0; // 0,中线；1,左边线；2,右边线
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protected:
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// 拆分线段，或者圆弧，arInterPoint:按照线段或者圆弧有序的点的集合
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static void SplitLineEdge(const AcGeLineSeg2d &lineseg, AcArray<AcGePoint2d> &arInterPoint, AcAryLineSeg2d &arLines);
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static void SplitArcEdge(const AcGeCircArc2d &arc, AcArray<AcGePoint2d> &arInterPoint, AcAryCircArc2d &arArcs);
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// 同向检测
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static EVecDirection VecSameDirection(AcGeVector2d vec1, AcGeVector2d vec2, double dTol);
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protected:
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double m_dLeftWid; // 左宽
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double m_dRightWid; // 右宽
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BOOL m_bDrawMid; // 是否绘制中线
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BOOL m_bCorner;// 是否需要倒角
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double m_dRaidus; // 倒角半径
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EFilletStyle m_eCornerType;// 倒角方式
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static AcGeTol m_sGeTol;
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};
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class CLineRoad : public CRoad
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{
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public:
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CLineRoad(double dLeftWid, double dRightWid, BOOL bDrawMid, BOOL bDrawCorner, double dCornerRadius, EFilletStyle cornerType, const AcGeLineSeg2d &midLine);
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virtual ~CLineRoad(void);
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virtual void ToRegion(AcGePoint2d &ptLeftDown, AcGePoint2d &ptRightUp) const;
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AcGeLineSeg2d LeftLine() const;
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AcGeLineSeg2d RightLine() const;
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AcGeLineSeg2d MidLine() const;
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virtual TGGeCurveSegment ToCurveSeg(int nFlag) const ; // 0,中线；1,左边线；2,右边线
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// 把直线和圆弧拆分为interStruct数组。
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void SplitEdge(const AcGeLineSeg2d &lineEdge, AcAryInterStructPointer &leftInters, AcAryInterStructPointer &rightInters, CLineCADEntEdgeAdapter &ent, AcAryInterStructPointer &arInterOri) const;
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void SplitEdge(const AcGeCircArc2d &arcEdge, AcAryInterStructPointer &leftInters, AcAryInterStructPointer &rightInters, CArcCADEntEdgeAdapter &ent, AcAryInterStructPointer &arInterOri) const;
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// 拆分中线，当然，如果当前道路不需要回执中线，则不执行拆分
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virtual void SplitMid(const AcGeLineSeg2d &lineseg, AcAryInterStructPointer &arLeftDump, AcAryInterStructPointer &arRightDump, CLineCADEntEdgeAdapter &ent)const ;
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virtual void SplitMid(const AcGeCircArc2d &arc, AcAryInterStructPointer &arLeftDump, AcAryInterStructPointer &arRightDump, CArcCADEntEdgeAdapter &ent)const ;
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EPointAtRoadPerp PointAtRoadPerp(const AcGePoint2d &pt, double dTol = 1.0) const;
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EPointAtRoadInDir PointAtRoadInDir(const AcGePoint2d &pt, double dTol = 1.0) const;
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// 检测点相对于延伸的道路的关系,用于中线的测试。
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EPointAtRoadInDir PointAtExtendRoadInDir(const AcGePoint2d &pt, double dTol = 1.0) const;
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virtual AcGeVector2d LeftDirection(const AcGePoint2d &point) const ;
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virtual AcGeVector2d RightDirection(const AcGePoint2d &point) const;
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virtual AcGeVector2d StartDirection(const AcGePoint2d &point) const;
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virtual AcGeVector2d EndDirection(const AcGePoint2d &point) const;
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protected:
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private:
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AcGeLineSeg2d m_midLine;
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};
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class CArcRoad : public CRoad
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{
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public:
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CArcRoad(double dLeftWid, double dRightWid, BOOL bDrawMid, BOOL bDrawCorner, double dCornerRadius, EFilletStyle cornerType, const AcGeCircArc2d &midArc);
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virtual ~CArcRoad(void);
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virtual void ToRegion(AcGePoint2d &ptLeftDown, AcGePoint2d &ptRightUp) const;
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AcGeCircArc2d LeftArc() const;
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AcGeCircArc2d RightArc() const;
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AcGeCircArc2d MidArc() const;
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virtual TGGeCurveSegment ToCurveSeg(int nFlag) const; // 0,中线；1,左边线；2,右边线
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// 把直线和圆弧拆分为interStruct数组。
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void SplitEdge(const AcGeLineSeg2d &lineEdge, AcAryInterStructPointer &leftInters, AcAryInterStructPointer &rightInters, CLineCADEntEdgeAdapter &ent, AcAryInterStructPointer &arInterOri) const;
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void SplitEdge(const AcGeCircArc2d &arcEdge, AcAryInterStructPointer &leftInters, AcAryInterStructPointer &rightInters, CArcCADEntEdgeAdapter &ent, AcAryInterStructPointer &arInterOri) const;
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virtual void SplitMid(const AcGeLineSeg2d &lineseg, AcAryInterStructPointer &arLeftDump, AcAryInterStructPointer &arRightDump, CLineCADEntEdgeAdapter &ent)const ;
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virtual void SplitMid(const AcGeCircArc2d &arc, AcAryInterStructPointer &arLeftDump, AcAryInterStructPointer &arRightDump, CArcCADEntEdgeAdapter &ent)const ;
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EPointAtRoadPerp PointAtRoadPerp(const AcGePoint2d &pt, double dTol = 1.0) const;
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EPointAtRoadInDir PointAtRoadInDir(const AcGePoint2d &pt, double dTol = 1.0) const;
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// 检测点相对于延伸的道路的关系,用于中线的测试。
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EPointAtRoadInDir PointAtExtendRoadInDir(const AcGePoint2d &pt, double dTol = 1.0) const;
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virtual AcGeVector2d LeftDirection(const AcGePoint2d &point) const ;
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virtual AcGeVector2d RightDirection(const AcGePoint2d &point) const;
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virtual AcGeVector2d StartDirection(const AcGePoint2d &point) const;
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virtual AcGeVector2d EndDirection(const AcGePoint2d &point) const;
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protected:
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private:
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AcGeCircArc2d m_midArc;
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}; |