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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_ConeToBSplineSurface_HeaderFile |
18 | #define _Convert_ConeToBSplineSurface_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_Cone; |
28 | |
29 | |
30 | |
31 | //! This algorithm converts a bounded Cone into a rational |
32 | //! B-spline surface. |
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 |
40 | //! [0, 2PI]. |
41 | //! KeyWords : |
42 | //! Convert, Cone, BSplineSurface. |
43 | class Convert_ConeToBSplineSurface : public Convert_ElementarySurfaceToBSplineSurface |
44 | { |
45 | public: |
46 | |
47 | DEFINE_STANDARD_ALLOC |
48 | |
49 | |
50 | |
51 | //! The equivalent B-spline surface as the same orientation as the |
52 | //! Cone in the U and V parametric directions. |
53 | //! |
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); |
57 | |
58 | |
59 | //! The equivalent B-spline surface as the same orientation as the |
60 | //! Cone in the U and V parametric directions. |
61 | //! |
62 | //! Raised if V1 = V2. |
63 | Standard_EXPORT Convert_ConeToBSplineSurface(const gp_Cone& C, const Standard_Real V1, const Standard_Real V2); |
64 | |
65 | |
66 | |
67 | |
68 | protected: |
69 | |
70 | |
71 | |
72 | |
73 | |
74 | private: |
75 | |
76 | |
77 | |
78 | |
79 | |
80 | }; |
81 | |
82 | |
83 | |
84 | |
85 | |
86 | |
87 | |
88 | #endif // _Convert_ConeToBSplineSurface_HeaderFile |