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

getLength() virtual double getLength ( ) const overridevirtual 重载 Geometry .