ArcofCircle.h

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/************************************************************************
* @file ArcofCircle.h
*
* @brief 三维圆弧
*
* @details 三维圆弧
*
* @author lirf
*
* @version 1.0
*
* @date 2025-6-7
*
* @license 北京华科软科技有限公司
*
*************************************************************************/
 
#ifndef BIMHOMEBASE_ARCOFCIRCLE_H
#define BIMHOMEBASE_ARCOFCIRCLE_H
 
#include "Base/Math/Geometry/Curve.h"
#include "Base/Vector2D.h"
 
#define ArcFromCenterRadiusAngle "ArcFromCenterRadiusAngle"
#define ArcFromCircleAngle "ArcFromCircleAngle"
#define ArcFromThreePoints "ArcFromThreePoints"
#define ArcFromCirclePoints "ArcFromCirclePoints"
 
namespace Base
{
    class Circle;
    //圆弧
    class BaseExport ArcofCircle :public Curve
    {
        GEOMETRY_HEADER(ArcofCircle)
    public:
        //基础参数构造方法
        ArcofCircle(
            Base::Vector3d center,
            Base::Vector3d normal,
            Base::Vector3d refvec,
            double radius,
            double startangle,
            double endangle);
 
        ArcofCircle(
            const Base::Circle& circle,
            const double angle1,
            const double angle2);
 
        //三点定弧的构造方法
        ArcofCircle(Base::Vector3d pt1, Base::Vector3d pt2, Base::Vector3d pt3);
 
        ArcofCircle(const Base::Circle& circle,
            const Base::Vector3d& pt1,
            const Base::Vector3d& pt2);
 
 
        virtual Geometry* copy(void) const;
 
        Base::Vector3d getCenterPoint();
 
        void setCenterPoint(const Base::Vector3d& pt);
 
        Base::Vector3d getNormal();
 
        void setNormal(const Base::Vector3d& vec);
 
        Base::Vector3d getRefVec();
 
        void setRefVec(const Base::Vector3d& vec);
 
        double getRadius();
 
        void setRadius(double pt);
 
        double getStartAngle();
 
        void setStartAngle(double angle);
 
        double getEndAngle();
 
        void setEndAngle(double angle);
 
        double getEndAngle() const;
 
        bool getDirection();
 
        void setDirection(bool bClockWire);
 
        Base::Vector3d getStartPoint()const;
        Base::Vector3d getEndPoint()const;
        Base::Vector3d getSecondPoint()const;
        Base::Vector3d getMidPoint()const;//注意：返回的是圆弧中点，不是三点定弧中的第二个点
 
        //对于非三点定弧的构造方法，需要计算起始点和终止点的坐标；
        void calculateStartandEndPoint();
 
        //对于三点定弧的构造方法，需要计算圆心半径等参数
        void calculateCircleCenter();
 
        bool isClockWise();//计算圆弧方向是否为逆时针
 
        bool isClosed();
        virtual double getLength()const override;
 
        //反向
        void Reverse();
 
        //返回圆弧的类型
        std::string getArcType() const;
 
        //设置基准轴
        void setReferenceAxis();
 
    public:
        // 判断该角度是否在扫略范围内
        bool isInArc(double angle);
        // 计算圆弧极小值和极大值
        std::pair<Base::Vector2d, Base::Vector2d> getExtrema();
 
    private:
        Base::Vector3d mCenterPoint;//圆心
        Base::Vector3d mNormal;//弧所在平面法向量
        Base::Vector3d mRefVec;//角度的基准向量(即所在平面的X轴方向，基于该向量确定起始角度和终止角度)
        double mRadius;//半径
        double mStartAngle;//起始角度 弧度制
        double mEndAngle;//终止角度 弧度制
        bool mClockWise;//注意：false 顺时针，true 逆时针（默认以基本坐标系1、2、3、4象限方向为准）
 
        Base::Vector3d mStartPoint;//起始点坐标
        Base::Vector3d mSecondPoint;//三点定弧存储除了起点和终点以外的那个点的坐标
        Base::Vector3d mEndPoint;//终止点坐标
        Base::Vector3d mMidpoint;//中点坐标
        std::string mArcType;//圆弧的类型（由圆心半径起始角度终止角度构造的圆弧、三点构造的圆弧）
    };
 
}
 
#endif