1 // Created on: 2015-09-21
2 // Copyright (c) 2015 OPEN CASCADE SAS
4 // This file is part of Open CASCADE Technology software library.
6 // This library is free software; you can redistribute it and/or modify it under
7 // the terms of the GNU Lesser General Public License version 2.1 as published
8 // by the Free Software Foundation, with special exception defined in the file
9 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
10 // distribution for complete text of the license and disclaimer of any warranty.
12 // Alternatively, this file may be used under the terms of Open CASCADE
13 // commercial license or contractual agreement.
15 #ifndef _GeomEvaluator_SurfaceOfRevolution_HeaderFile
16 #define _GeomEvaluator_SurfaceOfRevolution_HeaderFile
18 #include <GeomEvaluator_Surface.hxx>
20 #include <Geom_Curve.hxx>
25 class Adaptor3d_HCurve;
27 //! Allows to calculate values and derivatives for surfaces of revolution
28 class GeomEvaluator_SurfaceOfRevolution : public GeomEvaluator_Surface
31 //! Initialize evaluator by revolved curve, the axis of revolution and the location
32 Standard_EXPORT GeomEvaluator_SurfaceOfRevolution(const Handle(Geom_Curve)& theBase,
33 const gp_Dir& theRevolDir,
34 const gp_Pnt& theRevolLoc);
35 //! Initialize evaluator by adaptor of the revolved curve, the axis of revolution and the location
36 Standard_EXPORT GeomEvaluator_SurfaceOfRevolution(const Handle(Adaptor3d_HCurve)& theBase,
37 const gp_Dir& theRevolDir,
38 const gp_Pnt& theRevolLoc);
40 //! Change direction of the axis of revolution
41 void SetDirection(const gp_Dir& theDirection)
42 { myRotAxis.SetDirection(theDirection); }
44 //! Change location of the axis of revolution
45 void SetLocation(const gp_Pnt& theLocation)
46 { myRotAxis.SetLocation(theLocation); }
48 //! Change the axis of revolution
49 void SetAxis(const gp_Ax1& theAxis)
50 { myRotAxis = theAxis; }
53 Standard_EXPORT void D0(const Standard_Real theU, const Standard_Real theV,
54 gp_Pnt& theValue) const Standard_OVERRIDE;
55 //! Value and first derivatives of surface
56 Standard_EXPORT void D1(const Standard_Real theU, const Standard_Real theV,
57 gp_Pnt& theValue, gp_Vec& theD1U, gp_Vec& theD1V) const Standard_OVERRIDE;
58 //! Value, first and second derivatives of surface
59 Standard_EXPORT void D2(const Standard_Real theU, const Standard_Real theV,
60 gp_Pnt& theValue, gp_Vec& theD1U, gp_Vec& theD1V,
61 gp_Vec& theD2U, gp_Vec& theD2V, gp_Vec& theD2UV) const Standard_OVERRIDE;
62 //! Value, first, second and third derivatives of surface
63 Standard_EXPORT void D3(const Standard_Real theU, const Standard_Real theV,
64 gp_Pnt& theValue, gp_Vec& theD1U, gp_Vec& theD1V,
65 gp_Vec& theD2U, gp_Vec& theD2V, gp_Vec& theD2UV,
66 gp_Vec& theD3U, gp_Vec& theD3V,
67 gp_Vec& theD3UUV, gp_Vec& theD3UVV) const Standard_OVERRIDE;
68 //! Calculates N-th derivatives of surface, where N = theDerU + theDerV.
70 //! Raises if N < 1 or theDerU < 0 or theDerV < 0
71 Standard_EXPORT gp_Vec DN(const Standard_Real theU,
72 const Standard_Real theV,
73 const Standard_Integer theDerU,
74 const Standard_Integer theDerV) const Standard_OVERRIDE;
76 DEFINE_STANDARD_RTTIEXT(GeomEvaluator_SurfaceOfRevolution,GeomEvaluator_Surface)
79 Handle(Geom_Curve) myBaseCurve;
80 Handle(Adaptor3d_HCurve) myBaseAdaptor;
84 DEFINE_STANDARD_HANDLE(GeomEvaluator_SurfaceOfRevolution, GeomEvaluator_Surface)
87 #endif // _GeomEvaluator_SurfaceOfRevolution_HeaderFile