ArcofEllipse2D ArcofEllipse2D calculateStartEndPoint copy getCenterPoint getEndAngle getEndPoint getLength getMajorAxisDir getMajorRadius getMinorRadius getStartAngle getStartPoint isClockWise isClosed mCenterPoint mClockWise mEndAngle mEndPoint mMajorAxisDir mMajorRadius mMinorRadius mStartAngle mStartPoint setCenterPoint setEndAngle setMajorAxisDir setMajorRadius setMinorRadius setStartAngle

getCenterPoint() Base::Vector2d getCenterPoint ( ) const 获取中心点 获取二维椭圆弧的中心点