// Created on: 1991-10-10 // Created by: Jean Claude VAUTHIER // Copyright (c) 1991-1999 Matra Datavision // Copyright (c) 1999-2014 OPEN CASCADE SAS // // This file is part of Open CASCADE Technology software library. // // This library is free software; you can redistribute it and/or modify it under // the terms of the GNU Lesser General Public License version 2.1 as published // by the Free Software Foundation, with special exception defined in the file // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT // distribution for complete text of the license and disclaimer of any warranty. // // Alternatively, this file may be used under the terms of Open CASCADE // commercial license or contractual agreement. #ifndef _Convert_CylinderToBSplineSurface_HeaderFile #define _Convert_CylinderToBSplineSurface_HeaderFile #include #include #include #include #include class Standard_DomainError; class gp_Cylinder; //! This algorithm converts a bounded cylinder into a rational //! B-spline surface. The cylinder is a Cylinder from package gp. //! The parametrization of the cylinder is : //! P (U, V) = Loc + V * Zdir + Radius * (Xdir*Cos(U) + Ydir*Sin(U)) //! where Loc is the location point of the cylinder, Xdir, Ydir and //! Zdir are the normalized directions of the local cartesian //! coordinate system of the cylinder (Zdir is the direction of the //! cylinder's axis). The U parametrization range is U [0, 2PI]. //! KeyWords : //! Convert, Cylinder, BSplineSurface. class Convert_CylinderToBSplineSurface : public Convert_ElementarySurfaceToBSplineSurface { public: DEFINE_STANDARD_ALLOC //! The equivalent B-splineSurface as the same orientation as the //! cylinder in the U and V parametric directions. //! //! Raised if U1 = U2 or U1 = U2 + 2.0 * Pi //! Raised if V1 = V2. Standard_EXPORT Convert_CylinderToBSplineSurface(const gp_Cylinder& Cyl, const Standard_Real U1, const Standard_Real U2, const Standard_Real V1, const Standard_Real V2); //! The equivalent B-splineSurface as the same orientation as the //! cylinder in the U and V parametric directions. //! //! Raised if V1 = V2. Standard_EXPORT Convert_CylinderToBSplineSurface(const gp_Cylinder& Cyl, const Standard_Real V1, const Standard_Real V2); protected: private: }; #endif // _Convert_CylinderToBSplineSurface_HeaderFile