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1 | // Created on: 1993-01-09 |
| 2 | // Created by: CKY / Contract Toubro-Larsen ( TCD ) |
| 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 _IGESGeom_OffsetSurface_HeaderFile |
| 18 | #define _IGESGeom_OffsetSurface_HeaderFile |
| 19 | |
| 20 | #include <Standard.hxx> |
| 21 | #include <Standard_Type.hxx> |
| 22 | |
| 23 | #include <gp_XYZ.hxx> |
| 24 | #include <Standard_Real.hxx> |
| 25 | #include <IGESData_IGESEntity.hxx> |
| 26 | class IGESData_IGESEntity; |
| 27 | class gp_XYZ; |
| 28 | class gp_Vec; |
| 29 | |
| 30 | |
| 31 | class IGESGeom_OffsetSurface; |
| 32 | DEFINE_STANDARD_HANDLE(IGESGeom_OffsetSurface, IGESData_IGESEntity) |
| 33 | |
| 34 | //! defines IGESOffsetSurface, Type <140> Form <0> |
| 35 | //! in package IGESGeom |
| 36 | //! An offset surface is a surface defined in terms of an |
| 37 | //! already existing surface.If S(u, v) is a parametrised |
| 38 | //! regular surface and N(u, v) is a differential field of |
| 39 | //! unit normal vectors defined on the whole surface, and |
| 40 | //! "d" a fixed non zero real number, then offset surface |
| 41 | //! to S is a parametrised surface S(u, v) given by |
| 42 | //! O(u, v) = S(u, v) + d * N(u, v); |
| 43 | //! u1 <= u <= u2; v1 <= v <= v2; |
| 44 | class IGESGeom_OffsetSurface : public IGESData_IGESEntity |
| 45 | { |
| 46 | |
| 47 | public: |
| 48 | |
| 49 | |
| 50 | Standard_EXPORT IGESGeom_OffsetSurface(); |
| 51 | |
| 52 | //! This method is used to set the fields of the class |
| 53 | //! OffsetSurface |
| 54 | //! - anIndicator : Offset indicator |
| 55 | //! - aDistance : Offset distance |
| 56 | //! - aSurface : Surface that is offset |
| 57 | Standard_EXPORT void Init (const gp_XYZ& anIndicatoR, const Standard_Real aDistance, const Handle(IGESData_IGESEntity)& aSurface); |
| 58 | |
| 59 | //! returns the offset indicator |
| 60 | Standard_EXPORT gp_Vec OffsetIndicator() const; |
| 61 | |
| 62 | //! returns the offset indicator after applying Transf. Matrix |
| 63 | Standard_EXPORT gp_Vec TransformedOffsetIndicator() const; |
| 64 | |
| 65 | //! returns the distance by which surface is offset |
| 66 | Standard_EXPORT Standard_Real Distance() const; |
| 67 | |
| 68 | //! returns the surface that has been offset |
| 69 | Standard_EXPORT Handle(IGESData_IGESEntity) Surface() const; |
| 70 | |
| 71 | |
| 72 | |
| 73 | |
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74 | DEFINE_STANDARD_RTTIEXT(IGESGeom_OffsetSurface,IGESData_IGESEntity) |
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75 | |
| 76 | protected: |
| 77 | |
| 78 | |
| 79 | |
| 80 | |
| 81 | private: |
| 82 | |
| 83 | |
| 84 | gp_XYZ theIndicator; |
| 85 | Standard_Real theDistance; |
| 86 | Handle(IGESData_IGESEntity) theSurface; |
| 87 | |
| 88 | |
| 89 | }; |
| 90 | |
| 91 | |
| 92 | |
| 93 | |
| 94 | |
| 95 | |
| 96 | |
| 97 | #endif // _IGESGeom_OffsetSurface_HeaderFile |
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