copy Ellipse Ellipse getCenterPoint getLength getMajorAxisDir getMajorRadius getMinorRadius getNormal isClosed mCenterPoint mMajorAxisDir mMajorRadius mMinorRadius mNormal Reverse setCenterPoint setMajorAxisDir setMajorRadius setMinorRadius setNormal ~Ellipse

getMajorAxisDir() Base::Vector3d getMajorAxisDir ( ) const 获取主轴方向 获取三维椭圆的主轴方向