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

setMajorAxisDir() void setMajorAxisDir ( Base::Vector3d  newdir ) 设置主轴方向 设置三维椭圆的主轴方向 参数 [in] newdir 主轴方向