ArcofCircle ArcofCircle ArcofCircle ArcofCircle calculateCircleCenter calculateStartandEndPoint copy getArcType getCenterPoint getDirection getEndAngle getEndAngle getEndPoint getExtrema getLength getMidPoint getNormal getRadius getRefVec getSecondPoint getStartAngle getStartPoint isClockWise isClosed isInArc mArcType mCenterPoint mClockWise mEndAngle mEndPoint mMidpoint mNormal mRadius mRefVec mSecondPoint mStartAngle mStartPoint Reverse setCenterPoint setDirection setEndAngle setNormal setRadius setReferenceAxis setRefVec setStartAngle

ArcofCircle() [1/4] ArcofCircle ( Base::Vector3d  center, Base::Vector3d  normal, Base::Vector3d  refvec, double  radius, double  startangle, double  endangle  ) 构造一个圆弧，基于圆心，法向量，基准向量，半径，起始角度，终止角度 参数 [in] center 圆心 [in] normal 所在平面法向量 [in] refvec 所在平面基准角度(即所在平面的X轴方向) [in] radius 半径 [in] startangle 起始角度 [in] endangle 终止角度