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

getKnots() std::vector< double > & getKnots ( ) 获取节点 获取存储的节点的列表的引用 返回 指向存储节点的列表的引用