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1 | // Created on: 1993-03-10 |
2 | // Created by: JCV |
3 | // Copyright (c) 1993-1999 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 _Geom_SweptSurface_HeaderFile |
18 | #define _Geom_SweptSurface_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_Type.hxx> |
22 | |
23 | #include <gp_Dir.hxx> |
24 | #include <GeomAbs_Shape.hxx> |
25 | #include <Geom_Surface.hxx> |
26 | class Geom_Curve; |
27 | class gp_Dir; |
28 | |
29 | |
30 | class Geom_SweptSurface; |
31 | DEFINE_STANDARD_HANDLE(Geom_SweptSurface, Geom_Surface) |
32 | |
33 | //! Describes the common behavior for surfaces |
34 | //! constructed by sweeping a curve with another curve. |
35 | //! The Geom package provides two concrete derived |
36 | //! surfaces: surface of revolution (a revolved surface), |
37 | //! and surface of linear extrusion (an extruded surface). |
38 | class Geom_SweptSurface : public Geom_Surface |
39 | { |
40 | |
41 | public: |
42 | |
43 | |
44 | |
45 | //! returns the continuity of the surface : |
46 | //! C0 : only geometric continuity, |
47 | //! C1 : continuity of the first derivative all along the surface, |
48 | //! C2 : continuity of the second derivative all along the surface, |
49 | //! C3 : continuity of the third derivative all along the surface, |
50 | //! G1 : tangency continuity all along the surface, |
51 | //! G2 : curvature continuity all along the surface, |
52 | //! CN : the order of continuity is infinite. |
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53 | Standard_EXPORT GeomAbs_Shape Continuity() const Standard_OVERRIDE; |
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54 | |
55 | |
56 | //! Returns the reference direction of the swept surface. |
57 | //! For a surface of revolution it is the direction of the |
58 | //! revolution axis, for a surface of linear extrusion it is |
59 | //! the direction of extrusion. |
60 | Standard_EXPORT const gp_Dir& Direction() const; |
61 | |
62 | |
63 | //! Returns the referenced curve of the surface. |
64 | //! For a surface of revolution it is the revolution curve, |
65 | //! for a surface of linear extrusion it is the extruded curve. |
66 | Standard_EXPORT Handle(Geom_Curve) BasisCurve() const; |
67 | |
68 | |
69 | |
70 | |
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71 | DEFINE_STANDARD_RTTIEXT(Geom_SweptSurface,Geom_Surface) |
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72 | |
73 | protected: |
74 | |
75 | |
76 | Handle(Geom_Curve) basisCurve; |
77 | gp_Dir direction; |
78 | GeomAbs_Shape smooth; |
79 | |
80 | |
81 | private: |
82 | |
83 | |
84 | |
85 | |
86 | }; |
87 | |
88 | |
89 | |
90 | |
91 | |
92 | |
93 | |
94 | #endif // _Geom_SweptSurface_HeaderFile |