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88 lines
3.9 KiB
C++
88 lines
3.9 KiB
C++
// Created on: 2015-09-21
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// Copyright (c) 2015 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _GeomEvaluator_SurfaceOfRevolution_HeaderFile
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#define _GeomEvaluator_SurfaceOfRevolution_HeaderFile
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#include <GeomEvaluator_Surface.hxx>
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#include <Geom_Curve.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Ax1.hxx>
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class Adaptor3d_HCurve;
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//! Allows to calculate values and derivatives for surfaces of revolution
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class GeomEvaluator_SurfaceOfRevolution : public GeomEvaluator_Surface
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{
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public:
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//! Initialize evaluator by revolved curve, the axis of revolution and the location
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Standard_EXPORT GeomEvaluator_SurfaceOfRevolution(const Handle(Geom_Curve)& theBase,
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const gp_Dir& theRevolDir,
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const gp_Pnt& theRevolLoc);
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//! Initialize evaluator by adaptor of the revolved curve, the axis of revolution and the location
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Standard_EXPORT GeomEvaluator_SurfaceOfRevolution(const Handle(Adaptor3d_HCurve)& theBase,
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const gp_Dir& theRevolDir,
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const gp_Pnt& theRevolLoc);
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//! Change direction of the axis of revolution
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void SetDirection(const gp_Dir& theDirection)
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{ myRotAxis.SetDirection(theDirection); }
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//! Change location of the axis of revolution
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void SetLocation(const gp_Pnt& theLocation)
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{ myRotAxis.SetLocation(theLocation); }
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//! Change the axis of revolution
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void SetAxis(const gp_Ax1& theAxis)
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{ myRotAxis = theAxis; }
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//! Value of surface
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Standard_EXPORT void D0(const Standard_Real theU, const Standard_Real theV,
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gp_Pnt& theValue) const Standard_OVERRIDE;
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//! Value and first derivatives of surface
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Standard_EXPORT void D1(const Standard_Real theU, const Standard_Real theV,
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gp_Pnt& theValue, gp_Vec& theD1U, gp_Vec& theD1V) const Standard_OVERRIDE;
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//! Value, first and second derivatives of surface
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Standard_EXPORT void D2(const Standard_Real theU, const Standard_Real theV,
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gp_Pnt& theValue, gp_Vec& theD1U, gp_Vec& theD1V,
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gp_Vec& theD2U, gp_Vec& theD2V, gp_Vec& theD2UV) const Standard_OVERRIDE;
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//! Value, first, second and third derivatives of surface
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Standard_EXPORT void D3(const Standard_Real theU, const Standard_Real theV,
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gp_Pnt& theValue, gp_Vec& theD1U, gp_Vec& theD1V,
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gp_Vec& theD2U, gp_Vec& theD2V, gp_Vec& theD2UV,
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gp_Vec& theD3U, gp_Vec& theD3V,
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gp_Vec& theD3UUV, gp_Vec& theD3UVV) const Standard_OVERRIDE;
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//! Calculates N-th derivatives of surface, where N = theDerU + theDerV.
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//!
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//! Raises if N < 1 or theDerU < 0 or theDerV < 0
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Standard_EXPORT gp_Vec DN(const Standard_Real theU,
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const Standard_Real theV,
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const Standard_Integer theDerU,
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const Standard_Integer theDerV) const Standard_OVERRIDE;
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DEFINE_STANDARD_RTTIEXT(GeomEvaluator_SurfaceOfRevolution,GeomEvaluator_Surface)
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private:
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Handle(Geom_Curve) myBaseCurve;
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Handle(Adaptor3d_HCurve) myBaseAdaptor;
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gp_Ax1 myRotAxis;
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};
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DEFINE_STANDARD_HANDLE(GeomEvaluator_SurfaceOfRevolution, GeomEvaluator_Surface)
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#endif // _GeomEvaluator_SurfaceOfRevolution_HeaderFile
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