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

setRadius() void setRadius ( double  pt ) 设置半径 设置三维圆弧的半径 参数 [in] pt 半径