42cf5bc1 |
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 |
5 | // |
6 | // This file is part of Open CASCADE Technology software library. |
7 | // |
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. |
13 | // |
14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
16 | |
17 | #ifndef _Convert_CylinderToBSplineSurface_HeaderFile |
18 | #define _Convert_CylinderToBSplineSurface_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Convert_ElementarySurfaceToBSplineSurface.hxx> |
25 | #include <Standard_Real.hxx> |
26 | class Standard_DomainError; |
27 | class gp_Cylinder; |
28 | |
29 | |
30 | |
31 | //! This algorithm converts a bounded cylinder into a rational |
32 | //! B-spline surface. The cylinder is a Cylinder from package gp. |
33 | //! The parametrization of the cylinder is : |
34 | //! P (U, V) = Loc + V * Zdir + Radius * (Xdir*Cos(U) + Ydir*Sin(U)) |
35 | //! where Loc is the location point of the cylinder, Xdir, Ydir and |
36 | //! Zdir are the normalized directions of the local cartesian |
37 | //! coordinate system of the cylinder (Zdir is the direction of the |
38 | //! cylinder's axis). The U parametrization range is U [0, 2PI]. |
39 | //! KeyWords : |
40 | //! Convert, Cylinder, BSplineSurface. |
41 | class Convert_CylinderToBSplineSurface : public Convert_ElementarySurfaceToBSplineSurface |
42 | { |
43 | public: |
44 | |
45 | DEFINE_STANDARD_ALLOC |
46 | |
47 | |
48 | |
49 | //! The equivalent B-splineSurface as the same orientation as the |
50 | //! cylinder in the U and V parametric directions. |
51 | //! |
52 | //! Raised if U1 = U2 or U1 = U2 + 2.0 * Pi |
53 | //! Raised if V1 = V2. |
54 | Standard_EXPORT Convert_CylinderToBSplineSurface(const gp_Cylinder& Cyl, const Standard_Real U1, const Standard_Real U2, const Standard_Real V1, const Standard_Real V2); |
55 | |
56 | |
57 | //! The equivalent B-splineSurface as the same orientation as the |
58 | //! cylinder in the U and V parametric directions. |
59 | //! |
60 | //! Raised if V1 = V2. |
61 | Standard_EXPORT Convert_CylinderToBSplineSurface(const gp_Cylinder& Cyl, const Standard_Real V1, const Standard_Real V2); |
62 | |
63 | |
64 | |
65 | |
66 | protected: |
67 | |
68 | |
69 | |
70 | |
71 | |
72 | private: |
73 | |
74 | |
75 | |
76 | |
77 | |
78 | }; |
79 | |
80 | |
81 | |
82 | |
83 | |
84 | |
85 | |
86 | #endif // _Convert_CylinderToBSplineSurface_HeaderFile |