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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. |
| 79104795 |
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 | |
| 71 | DEFINE_STANDARD_RTTI(Geom_SweptSurface,Geom_Surface) |
| 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 |
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