NURBSCurve2D.h

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/************************************************************************
* @file NURBSCurve2D.h
*
* @brief B样条曲线
*
* @details B样条曲线
*
* @author lirf
*
* @version 1.0
*
* @date 2025-6-9
*
* @license 北京华科软科技有限公司
*
*************************************************************************/
 
#ifndef BIMHOMEBASE_NURBSCURVE2D_H
#define BIMHOMEBASE_NURBSCURVE2D_H
 
#include "Base/Math/Geometry/Curve2D.h"
#include "Base/Math/Geometry/BSplineCurve2D.h"
namespace Base
{
    //B样条曲线
    class BaseExport NURBSCurve2D :public BSplineCurve2D
    {
    public:
        NURBSCurve2D();
        ~NURBSCurve2D();
 
        NURBSCurve2D(const std::vector<Base::Vector2d>& Poles,
            const std::vector<double>& Knots, 
            const std::vector<int>& Multiplicities,
            const int Degree, 
            const bool Periodic = false);
 
        NURBSCurve2D(const std::vector<Base::Vector2d>& Poles,
            const std::vector<double>& Weights,
            const std::vector<double>& Knots,
            const std::vector<int>& Multiplicities,
            const int Degree,
            const bool Periodic = false,
            const bool CheckRational = true);
 
        virtual Geometry2D* copy(void) const;
 
        std::vector<Base::Vector2d>& getPoles();
 
        void setPoles(const std::vector<Base::Vector2d>& poles);
 
        int getDegree() const;
 
        void setDegree(int degree);
 
        std::vector<double>& getWeights() ;
 
        void setWeights(const std::vector<double>& weights);
 
        std::vector<int>& getMultiplicities() ;
 
        void setMultiplicities(const std::vector<int>& multiplicities);
 
        bool getPeriodic() const;
 
        void setPeriodic(bool periodic);
 
        bool getRational() const;
 
        void setRational(bool rational);
 
        bool isClosed();
        double getLength()const;
 
    private:
        std::vector<double> mWeights; // 权值
    };
}
 
#endif