BSplineCurve BSplineCurve BSplineCurve copy getDegree getKnots getLength getMultiplicities getPeriodic getPoles getRational isClosed mDegree mKnots mMultiplicities mPeriodic mPoles mRational Reverse setDegree setKnots setMultiplicities setPeriodic setPoles setRational ~BSplineCurve

getDegree() int getDegree ( ) const 获取阶数 获取三维B样条曲线的阶数 返回 阶数