AcGePoint3d ads_point 转换
AcGePoint3d (AcGePoint2d )转换 ads_point 用:asDblArray函数。
ads_point 转换AcGePoint2d 用asPnt2d(const double &pnt) 或aspnt3d
AcGePoint3d (AcGePoint2d )转换 ads_point 用:asDblArray函数。
ads_point 转换AcGePoint2d 用asPnt2d(const double &pnt) 或aspnt3d