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116 lines
3.8 KiB
C++
116 lines
3.8 KiB
C++
// Created on: 1997-12-09
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// Created by: Philippe MANGIN
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// Copyright (c) 1997-1999 Matra Datavision
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// Copyright (c) 1999-2014 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 _GeomFill_ConstantBiNormal_HeaderFile
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#define _GeomFill_ConstantBiNormal_HeaderFile
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#include <Standard.hxx>
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#include <Standard_Type.hxx>
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#include <gp_Vec.hxx>
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#include <GeomFill_TrihedronLaw.hxx>
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#include <Standard_Boolean.hxx>
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#include <Standard_Real.hxx>
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#include <Standard_Integer.hxx>
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#include <GeomAbs_Shape.hxx>
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#include <TColStd_Array1OfReal.hxx>
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class GeomFill_Frenet;
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class Standard_OutOfRange;
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class Standard_ConstructionError;
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class gp_Dir;
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class GeomFill_TrihedronLaw;
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class Adaptor3d_HCurve;
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class gp_Vec;
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class GeomFill_ConstantBiNormal;
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DEFINE_STANDARD_HANDLE(GeomFill_ConstantBiNormal, GeomFill_TrihedronLaw)
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//! Defined an Trihedron Law where the BiNormal, is fixed
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class GeomFill_ConstantBiNormal : public GeomFill_TrihedronLaw
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{
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public:
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Standard_EXPORT GeomFill_ConstantBiNormal(const gp_Dir& BiNormal);
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Standard_EXPORT virtual Handle(GeomFill_TrihedronLaw) Copy() const Standard_OVERRIDE;
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Standard_EXPORT virtual void SetCurve (const Handle(Adaptor3d_HCurve)& C) Standard_OVERRIDE;
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//! Computes Triedrhon on curve at parameter <Param>
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Standard_EXPORT virtual Standard_Boolean D0 (const Standard_Real Param, gp_Vec& Tangent, gp_Vec& Normal, gp_Vec& BiNormal) Standard_OVERRIDE;
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//! Computes Triedrhon and derivative Trihedron on curve
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//! at parameter <Param>
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//! Warning : It used only for C1 or C2 aproximation
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Standard_EXPORT virtual Standard_Boolean D1 (const Standard_Real Param, gp_Vec& Tangent, gp_Vec& DTangent, gp_Vec& Normal, gp_Vec& DNormal, gp_Vec& BiNormal, gp_Vec& DBiNormal) Standard_OVERRIDE;
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//! compute Trihedron on curve
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//! first and seconde derivatives.
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//! Warning : It used only for C2 aproximation
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Standard_EXPORT virtual Standard_Boolean D2 (const Standard_Real Param, gp_Vec& Tangent, gp_Vec& DTangent, gp_Vec& D2Tangent, gp_Vec& Normal, gp_Vec& DNormal, gp_Vec& D2Normal, gp_Vec& BiNormal, gp_Vec& DBiNormal, gp_Vec& D2BiNormal) Standard_OVERRIDE;
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//! Returns the number of intervals for continuity
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//! <S>.
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//! May be one if Continuity(me) >= <S>
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Standard_EXPORT virtual Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE;
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//! Stores in <T> the parameters bounding the intervals
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//! of continuity <S>.
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//!
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//! The array must provide enough room to accomodate
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//! for the parameters. i.e. T.Length() > NbIntervals()
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Standard_EXPORT virtual void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE;
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//! Gets average value of Tangent(t) and Normal(t) it is usfull to
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//! make fast approximation of rational surfaces.
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Standard_EXPORT virtual void GetAverageLaw (gp_Vec& ATangent, gp_Vec& ANormal, gp_Vec& ABiNormal) Standard_OVERRIDE;
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//! Says if the law is Constant.
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Standard_EXPORT virtual Standard_Boolean IsConstant() const Standard_OVERRIDE;
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//! Return True.
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Standard_EXPORT virtual Standard_Boolean IsOnlyBy3dCurve() const Standard_OVERRIDE;
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DEFINE_STANDARD_RTTIEXT(GeomFill_ConstantBiNormal,GeomFill_TrihedronLaw)
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protected:
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private:
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gp_Vec BN;
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Handle(GeomFill_Frenet) frenet;
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};
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#endif // _GeomFill_ConstantBiNormal_HeaderFile
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