1 // Created on: 2015-09-21 2 // Copyright (c) 2015 OPEN CASCADE SAS 3 // 4 // This file is part of Open CASCADE Technology software library. 5 // 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. 11 // 12 // Alternatively, this file may be used under the terms of Open CASCADE 13 // commercial license or contractual agreement. 14 15 #ifndef _GeomEvaluator_SurfaceOfRevolution_HeaderFile 16 #define _GeomEvaluator_SurfaceOfRevolution_HeaderFile 17 18 #include <Adaptor3d_Curve.hxx> 19 #include <GeomEvaluator_Surface.hxx> 20 #include <Geom_Curve.hxx> 21 #include <gp_Dir.hxx> 22 #include <gp_Pnt.hxx> 23 #include <gp_Ax1.hxx> 24 25 //! Allows to calculate values and derivatives for surfaces of revolution 26 class GeomEvaluator_SurfaceOfRevolution : public GeomEvaluator_Surface 27 { 28 public: 29 //! Initialize evaluator by revolved curve, the axis of revolution and the location 30 Standard_EXPORT GeomEvaluator_SurfaceOfRevolution(const Handle(Geom_Curve)& theBase, 31 const gp_Dir& theRevolDir, 32 const gp_Pnt& theRevolLoc); 33 //! Initialize evaluator by adaptor of the revolved curve, the axis of revolution and the location 34 Standard_EXPORT GeomEvaluator_SurfaceOfRevolution(const Handle(Adaptor3d_Curve)& theBase, 35 const gp_Dir& theRevolDir, 36 const gp_Pnt& theRevolLoc); 37 38 //! Change direction of the axis of revolution SetDirection(const gp_Dir & theDirection)39 void SetDirection(const gp_Dir& theDirection) 40 { myRotAxis.SetDirection(theDirection); } 41 42 //! Change location of the axis of revolution SetLocation(const gp_Pnt & theLocation)43 void SetLocation(const gp_Pnt& theLocation) 44 { myRotAxis.SetLocation(theLocation); } 45 46 //! Change the axis of revolution SetAxis(const gp_Ax1 & theAxis)47 void SetAxis(const gp_Ax1& theAxis) 48 { myRotAxis = theAxis; } 49 50 //! Value of surface 51 Standard_EXPORT void D0(const Standard_Real theU, const Standard_Real theV, 52 gp_Pnt& theValue) const Standard_OVERRIDE; 53 //! Value and first derivatives of surface 54 Standard_EXPORT void D1(const Standard_Real theU, const Standard_Real theV, 55 gp_Pnt& theValue, gp_Vec& theD1U, gp_Vec& theD1V) const Standard_OVERRIDE; 56 //! Value, first and second derivatives of surface 57 Standard_EXPORT void D2(const Standard_Real theU, const Standard_Real theV, 58 gp_Pnt& theValue, gp_Vec& theD1U, gp_Vec& theD1V, 59 gp_Vec& theD2U, gp_Vec& theD2V, gp_Vec& theD2UV) const Standard_OVERRIDE; 60 //! Value, first, second and third derivatives of surface 61 Standard_EXPORT void D3(const Standard_Real theU, const Standard_Real theV, 62 gp_Pnt& theValue, gp_Vec& theD1U, gp_Vec& theD1V, 63 gp_Vec& theD2U, gp_Vec& theD2V, gp_Vec& theD2UV, 64 gp_Vec& theD3U, gp_Vec& theD3V, 65 gp_Vec& theD3UUV, gp_Vec& theD3UVV) const Standard_OVERRIDE; 66 //! Calculates N-th derivatives of surface, where N = theDerU + theDerV. 67 //! 68 //! Raises if N < 1 or theDerU < 0 or theDerV < 0 69 Standard_EXPORT gp_Vec DN(const Standard_Real theU, 70 const Standard_Real theV, 71 const Standard_Integer theDerU, 72 const Standard_Integer theDerV) const Standard_OVERRIDE; 73 74 Standard_EXPORT Handle(GeomEvaluator_Surface) ShallowCopy() const Standard_OVERRIDE; 75 76 DEFINE_STANDARD_RTTIEXT(GeomEvaluator_SurfaceOfRevolution,GeomEvaluator_Surface) 77 78 private: 79 Handle(Geom_Curve) myBaseCurve; 80 Handle(Adaptor3d_Curve) myBaseAdaptor; 81 gp_Ax1 myRotAxis; 82 }; 83 84 DEFINE_STANDARD_HANDLE(GeomEvaluator_SurfaceOfRevolution, GeomEvaluator_Surface) 85 86 87 #endif // _GeomEvaluator_SurfaceOfRevolution_HeaderFile 88