ArcofEllipse ArcofEllipse calculateStartEndPoint copy getCenterPoint getEndAngle getEndPoint getLength getMajorAxisDir getMajorRadius getMinorRadius getNormal getStartAngle getStartPoint isClockWise isClosed mCenterPoint mClockWise mEndAngle mEndPoint mMajorAxisDir mMajorRadius mMinorRadius mNormal mStartAngle mStartPoint Reverse setCenterPoint setEndAngle setMajorAxisDir setMajorRadius setMinorRadius setNormal setStartAngle

setMajorAxisDir() void setMajorAxisDir ( const Base::Vector3d &  majorAxisDir ) 设置主轴方向 设置三维椭圆弧的主轴方向 参数 [in] majorAxisDir 主轴方向