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

setRefVec() void setRefVec ( const Base::Vector3d &  vec ) 设置角度的基准向量 设置三维圆弧角度的基准向量 参数 [in] vec 角度的基准向量(即所在平面的X轴方向，基于该向量确定起始角度和终止角度)