| 42cf5bc1 |
1 | // Created on: 1993-04-23 |
| 2 | // Created by: Modelistation |
| 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 _HLRBRep_SLPropsATool_HeaderFile |
| 18 | #define _HLRBRep_SLPropsATool_HeaderFile |
| 19 | |
| 20 | #include <Standard.hxx> |
| 21 | #include <Standard_DefineAlloc.hxx> |
| 22 | #include <Standard_Handle.hxx> |
| 23 | |
| 24 | #include <Standard_Address.hxx> |
| 25 | #include <Standard_Real.hxx> |
| 26 | #include <Standard_Integer.hxx> |
| 27 | class gp_Pnt; |
| 28 | class gp_Vec; |
| 29 | |
| 30 | |
| 31 | |
| 32 | class HLRBRep_SLPropsATool |
| 33 | { |
| 34 | public: |
| 35 | |
| 36 | DEFINE_STANDARD_ALLOC |
| 37 | |
| 38 | |
| 39 | //! Computes the point <P> of parameter <U> and <V> |
| 40 | //! on the Surface <A>. |
| 41 | static void Value (const Standard_Address A, const Standard_Real U, const Standard_Real V, gp_Pnt& P); |
| 42 | |
| 43 | //! Computes the point <P> and first derivative <D1*> |
| 44 | //! of parameter <U> and <V> on the Surface <A>. |
| 45 | static void D1 (const Standard_Address A, const Standard_Real U, const Standard_Real V, gp_Pnt& P, gp_Vec& D1U, gp_Vec& D1V); |
| 46 | |
| 47 | //! Computes the point <P>, the first derivative <D1*> |
| 48 | //! and second derivative <D2*> of parameter <U> and |
| 49 | //! <V> on the Surface <A>. |
| 50 | static void D2 (const Standard_Address A, const Standard_Real U, const Standard_Real V, gp_Pnt& P, gp_Vec& D1U, gp_Vec& D1V, gp_Vec& D2U, gp_Vec& D2V, gp_Vec& DUV); |
| 51 | |
| 0f57ab75 |
52 | static gp_Vec DN (const Standard_Address A, const Standard_Real U, const Standard_Real V, const Standard_Integer Nu, const Standard_Integer Nv); |
| 42cf5bc1 |
53 | |
| 54 | //! returns the order of continuity of the Surface |
| 55 | //! <A>. returns 1 : first derivative only is |
| 56 | //! computable returns 2 : first and second derivative |
| 57 | //! only are computable. |
| 58 | static Standard_Integer Continuity (const Standard_Address A); |
| 59 | |
| 60 | //! returns the bounds of the Surface. |
| 61 | static void Bounds (const Standard_Address A, Standard_Real& U1, Standard_Real& V1, Standard_Real& U2, 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 | #include <HLRBRep_SLPropsATool.lxx> |
| 82 | |
| 83 | |
| 84 | |
| 85 | |
| 86 | |
| 87 | #endif // _HLRBRep_SLPropsATool_HeaderFile |
projects / occt.git / blame