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

setStartAngle() void setStartAngle ( double  startAngle ) 设置起始角度 设置三维椭圆弧的起始角度 参数 [in] startAngle 起始角度