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1 | // Created on: 2002-08-02 |
2 | // Created by: Alexander KARTOMIN (akm) |
3 | // Copyright (c) 2002-2014 OPEN CASCADE SAS |
4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
15 | |
16 | #ifndef _LProp3d_SurfaceTool_HeaderFile |
17 | #define _LProp3d_SurfaceTool_HeaderFile |
18 | |
19 | #include <Standard.hxx> |
20 | #include <Standard_DefineAlloc.hxx> |
21 | #include <Standard_Handle.hxx> |
22 | |
23 | #include <Standard_Real.hxx> |
24 | #include <Standard_Integer.hxx> |
25 | class Adaptor3d_HSurface; |
26 | class gp_Pnt; |
27 | class gp_Vec; |
28 | |
29 | |
30 | |
31 | class LProp3d_SurfaceTool |
32 | { |
33 | public: |
34 | |
35 | DEFINE_STANDARD_ALLOC |
36 | |
37 | |
38 | //! Computes the point <P> of parameter <U> and <V> on the |
39 | //! HSurface <S>. |
40 | Standard_EXPORT static void Value (const Handle(Adaptor3d_HSurface)& S, const Standard_Real U, const Standard_Real V, gp_Pnt& P); |
41 | |
42 | //! Computes the point <P> and first derivative <D1*> of |
43 | //! parameter <U> and <V> on the HSurface <S>. |
44 | Standard_EXPORT static void D1 (const Handle(Adaptor3d_HSurface)& S, const Standard_Real U, const Standard_Real V, gp_Pnt& P, gp_Vec& D1U, gp_Vec& D1V); |
45 | |
46 | //! Computes the point <P>, the first derivative <D1*> and second |
47 | //! derivative <D2*> of parameter <U> and <V> on the HSurface <S>. |
48 | Standard_EXPORT static void D2 (const Handle(Adaptor3d_HSurface)& S, 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); |
49 | |
50 | Standard_EXPORT static gp_Vec DN (const Handle(Adaptor3d_HSurface)& S, const Standard_Real U, const Standard_Real V, const Standard_Integer IU, const Standard_Integer IV); |
51 | |
52 | //! returns the order of continuity of the HSurface <S>. |
53 | //! returns 1 : first derivative only is computable |
54 | //! returns 2 : first and second derivative only are computable. |
55 | Standard_EXPORT static Standard_Integer Continuity (const Handle(Adaptor3d_HSurface)& S); |
56 | |
57 | //! returns the bounds of the HSurface. |
58 | Standard_EXPORT static void Bounds (const Handle(Adaptor3d_HSurface)& S, Standard_Real& U1, Standard_Real& V1, Standard_Real& U2, Standard_Real& V2); |
59 | |
60 | |
61 | |
62 | |
63 | protected: |
64 | |
65 | |
66 | |
67 | |
68 | |
69 | private: |
70 | |
71 | |
72 | |
73 | |
74 | |
75 | }; |
76 | |
77 | |
78 | |
79 | |
80 | |
81 | |
82 | |
83 | #endif // _LProp3d_SurfaceTool_HeaderFile |