1 // Created on: 1991-10-10
2 // Created by: Jean Claude VAUTHIER
3 // Copyright (c) 1991-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _Convert_ConeToBSplineSurface_HeaderFile
18 #define _Convert_ConeToBSplineSurface_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Convert_ElementarySurfaceToBSplineSurface.hxx>
25 #include <Standard_Real.hxx>
26 class Standard_DomainError;
31 //! This algorithm converts a bounded Cone into a rational
33 //! The cone a Cone from package gp. Its parametrization is :
34 //! P (U, V) = Loc + V * Zdir +
35 //! (R + V*Tan(Ang)) * (Cos(U)*Xdir + Sin(U)*Ydir)
36 //! where Loc is the location point of the cone, Xdir, Ydir and Zdir
37 //! are the normalized directions of the local cartesian coordinate
38 //! system of the cone (Zdir is the direction of the Cone's axis) ,
39 //! Ang is the cone semi-angle. The U parametrization range is
42 //! Convert, Cone, BSplineSurface.
43 class Convert_ConeToBSplineSurface : public Convert_ElementarySurfaceToBSplineSurface
51 //! The equivalent B-spline surface as the same orientation as the
52 //! Cone in the U and V parametric directions.
54 //! Raised if U1 = U2 or U1 = U2 + 2.0 * Pi
55 //! Raised if V1 = V2.
56 Standard_EXPORT Convert_ConeToBSplineSurface(const gp_Cone& C, const Standard_Real U1, const Standard_Real U2, const Standard_Real V1, const Standard_Real V2);
59 //! The equivalent B-spline surface as the same orientation as the
60 //! Cone in the U and V parametric directions.
62 //! Raised if V1 = V2.
63 Standard_EXPORT Convert_ConeToBSplineSurface(const gp_Cone& C, const Standard_Real V1, const Standard_Real V2);
88 #endif // _Convert_ConeToBSplineSurface_HeaderFile