#pragma once
class CCircleUtil
{
public:
	CCircleUtil();
	~CCircleUtil();

	//圆心、圆所在平面和半径作圆
	static AcDbObjectId add(const AcGePoint3d &Point, const AcGeVector3d &Normal, double radius);

	//圆心、XOY平面和半径作圆
	static AcDbObjectId add(AcGePoint3d &Point, double radius);

	//两点在XOY平面上作圆
	static AcDbObjectId add(AcGePoint2d &FirstPoint, AcGePoint2d &SecondPoint);

	//三点在XOY平面作圆
	static AcDbObjectId add(AcGePoint2d &FirstPoint, AcGePoint2d &SecondPoint, AcGePoint2d &ThirdPoint);
};